diff options
author | David S. Miller <davem@davemloft.net> | 2008-11-07 04:37:16 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-11-07 04:37:16 -0500 |
commit | 167c6274c30d17c41742096d1a12c32bd3b7e366 (patch) | |
tree | b28b98e34dd2b98db6fff8459cddbc65142cd891 | |
parent | 5c7f0333584128c745fbda845abbe3a32c22d467 (diff) | |
parent | a8272061fe533f6d0261b38c58c93bd0855baebe (diff) |
Merge branch 'davem-next' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
39 files changed, 4015 insertions, 291 deletions
diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt index d733a428eff6..5ede7473b425 100644 --- a/Documentation/networking/bonding.txt +++ b/Documentation/networking/bonding.txt | |||
@@ -194,6 +194,48 @@ or, for backwards compatibility, the option value. E.g., | |||
194 | 194 | ||
195 | The parameters are as follows: | 195 | The parameters are as follows: |
196 | 196 | ||
197 | ad_select | ||
198 | |||
199 | Specifies the 802.3ad aggregation selection logic to use. The | ||
200 | possible values and their effects are: | ||
201 | |||
202 | stable or 0 | ||
203 | |||
204 | The active aggregator is chosen by largest aggregate | ||
205 | bandwidth. | ||
206 | |||
207 | Reselection of the active aggregator occurs only when all | ||
208 | slaves of the active aggregator are down or the active | ||
209 | aggregator has no slaves. | ||
210 | |||
211 | This is the default value. | ||
212 | |||
213 | bandwidth or 1 | ||
214 | |||
215 | The active aggregator is chosen by largest aggregate | ||
216 | bandwidth. Reselection occurs if: | ||
217 | |||
218 | - A slave is added to or removed from the bond | ||
219 | |||
220 | - Any slave's link state changes | ||
221 | |||
222 | - Any slave's 802.3ad association state changes | ||
223 | |||
224 | - The bond's adminstrative state changes to up | ||
225 | |||
226 | count or 2 | ||
227 | |||
228 | The active aggregator is chosen by the largest number of | ||
229 | ports (slaves). Reselection occurs as described under the | ||
230 | "bandwidth" setting, above. | ||
231 | |||
232 | The bandwidth and count selection policies permit failover of | ||
233 | 802.3ad aggregations when partial failure of the active aggregator | ||
234 | occurs. This keeps the aggregator with the highest availability | ||
235 | (either in bandwidth or in number of ports) active at all times. | ||
236 | |||
237 | This option was added in bonding version 3.4.0. | ||
238 | |||
197 | arp_interval | 239 | arp_interval |
198 | 240 | ||
199 | Specifies the ARP link monitoring frequency in milliseconds. | 241 | Specifies the ARP link monitoring frequency in milliseconds. |
@@ -551,6 +593,16 @@ num_grat_arp | |||
551 | affects only the active-backup mode. This option was added for | 593 | affects only the active-backup mode. This option was added for |
552 | bonding version 3.3.0. | 594 | bonding version 3.3.0. |
553 | 595 | ||
596 | num_unsol_na | ||
597 | |||
598 | Specifies the number of unsolicited IPv6 Neighbor Advertisements | ||
599 | to be issued after a failover event. One unsolicited NA is issued | ||
600 | immediately after the failover. | ||
601 | |||
602 | The valid range is 0 - 255; the default value is 1. This option | ||
603 | affects only the active-backup mode. This option was added for | ||
604 | bonding version 3.4.0. | ||
605 | |||
554 | primary | 606 | primary |
555 | 607 | ||
556 | A string (eth0, eth2, etc) specifying which slave is the | 608 | A string (eth0, eth2, etc) specifying which slave is the |
diff --git a/MAINTAINERS b/MAINTAINERS index ca96939b7969..425e50e6b4c5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS | |||
@@ -3853,6 +3853,12 @@ M: mhoffman@lightlink.com | |||
3853 | L: lm-sensors@lm-sensors.org | 3853 | L: lm-sensors@lm-sensors.org |
3854 | S: Maintained | 3854 | S: Maintained |
3855 | 3855 | ||
3856 | SMSC911x ETHERNET DRIVER | ||
3857 | P: Steve Glendinning | ||
3858 | M: steve.glendinning@smsc.com | ||
3859 | L: netdev@vger.kernel.org | ||
3860 | S: Supported | ||
3861 | |||
3856 | SMX UIO Interface | 3862 | SMX UIO Interface |
3857 | P: Ben Nizette | 3863 | P: Ben Nizette |
3858 | M: bn@niasdigital.com | 3864 | M: bn@niasdigital.com |
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 1757bb3f6e08..732ea834d50d 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig | |||
@@ -61,6 +61,7 @@ config DUMMY | |||
61 | config BONDING | 61 | config BONDING |
62 | tristate "Bonding driver support" | 62 | tristate "Bonding driver support" |
63 | depends on INET | 63 | depends on INET |
64 | depends on IPV6 || IPV6=n | ||
64 | ---help--- | 65 | ---help--- |
65 | Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet | 66 | Say 'Y' or 'M' if you wish to be able to 'bond' multiple Ethernet |
66 | Channels together. This is called 'Etherchannel' by Cisco, | 67 | Channels together. This is called 'Etherchannel' by Cisco, |
@@ -978,6 +979,20 @@ config SMC911X | |||
978 | called smc911x. If you want to compile it as a module, say M | 979 | called smc911x. If you want to compile it as a module, say M |
979 | here and read <file:Documentation/kbuild/modules.txt> | 980 | here and read <file:Documentation/kbuild/modules.txt> |
980 | 981 | ||
982 | config SMSC911X | ||
983 | tristate "SMSC LAN911x/LAN921x families embedded ethernet support" | ||
984 | depends on ARM || SUPERH | ||
985 | select CRC32 | ||
986 | select MII | ||
987 | select PHYLIB | ||
988 | ---help--- | ||
989 | Say Y here if you want support for SMSC LAN911x and LAN921x families | ||
990 | of ethernet controllers. | ||
991 | |||
992 | To compile this driver as a module, choose M here and read | ||
993 | <file:Documentation/networking/net-modules.txt>. The module | ||
994 | will be called smsc911x. | ||
995 | |||
981 | config NET_VENDOR_RACAL | 996 | config NET_VENDOR_RACAL |
982 | bool "Racal-Interlan (Micom) NI cards" | 997 | bool "Racal-Interlan (Micom) NI cards" |
983 | depends on ISA | 998 | depends on ISA |
diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 657c47b1a6b6..e06829aa75b0 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile | |||
@@ -219,6 +219,7 @@ obj-$(CONFIG_S2IO) += s2io.o | |||
219 | obj-$(CONFIG_MYRI10GE) += myri10ge/ | 219 | obj-$(CONFIG_MYRI10GE) += myri10ge/ |
220 | obj-$(CONFIG_SMC91X) += smc91x.o | 220 | obj-$(CONFIG_SMC91X) += smc91x.o |
221 | obj-$(CONFIG_SMC911X) += smc911x.o | 221 | obj-$(CONFIG_SMC911X) += smc911x.o |
222 | obj-$(CONFIG_SMSC911X) += smsc911x.o | ||
222 | obj-$(CONFIG_BFIN_MAC) += bfin_mac.o | 223 | obj-$(CONFIG_BFIN_MAC) += bfin_mac.o |
223 | obj-$(CONFIG_DM9000) += dm9000.o | 224 | obj-$(CONFIG_DM9000) += dm9000.o |
224 | obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o | 225 | obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o |
diff --git a/drivers/net/bonding/Makefile b/drivers/net/bonding/Makefile index 5cdae2bc055a..6f9c6faef24c 100644 --- a/drivers/net/bonding/Makefile +++ b/drivers/net/bonding/Makefile | |||
@@ -6,3 +6,6 @@ obj-$(CONFIG_BONDING) += bonding.o | |||
6 | 6 | ||
7 | bonding-objs := bond_main.o bond_3ad.o bond_alb.o bond_sysfs.o | 7 | bonding-objs := bond_main.o bond_3ad.o bond_alb.o bond_sysfs.o |
8 | 8 | ||
9 | ipv6-$(subst m,y,$(CONFIG_IPV6)) += bond_ipv6.o | ||
10 | bonding-objs += $(ipv6-y) | ||
11 | |||
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 6106660a4a44..ba1372f2f144 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c | |||
@@ -27,6 +27,7 @@ | |||
27 | #include <linux/netdevice.h> | 27 | #include <linux/netdevice.h> |
28 | #include <linux/spinlock.h> | 28 | #include <linux/spinlock.h> |
29 | #include <linux/ethtool.h> | 29 | #include <linux/ethtool.h> |
30 | #include <linux/etherdevice.h> | ||
30 | #include <linux/if_bonding.h> | 31 | #include <linux/if_bonding.h> |
31 | #include <linux/pkt_sched.h> | 32 | #include <linux/pkt_sched.h> |
32 | #include <net/net_namespace.h> | 33 | #include <net/net_namespace.h> |
@@ -236,6 +237,17 @@ static inline struct aggregator *__get_next_agg(struct aggregator *aggregator) | |||
236 | return &(SLAVE_AD_INFO(slave->next).aggregator); | 237 | return &(SLAVE_AD_INFO(slave->next).aggregator); |
237 | } | 238 | } |
238 | 239 | ||
240 | /* | ||
241 | * __agg_has_partner | ||
242 | * | ||
243 | * Return nonzero if aggregator has a partner (denoted by a non-zero ether | ||
244 | * address for the partner). Return 0 if not. | ||
245 | */ | ||
246 | static inline int __agg_has_partner(struct aggregator *agg) | ||
247 | { | ||
248 | return !is_zero_ether_addr(agg->partner_system.mac_addr_value); | ||
249 | } | ||
250 | |||
239 | /** | 251 | /** |
240 | * __disable_port - disable the port's slave | 252 | * __disable_port - disable the port's slave |
241 | * @port: the port we're looking at | 253 | * @port: the port we're looking at |
@@ -274,14 +286,14 @@ static inline int __port_is_enabled(struct port *port) | |||
274 | * __get_agg_selection_mode - get the aggregator selection mode | 286 | * __get_agg_selection_mode - get the aggregator selection mode |
275 | * @port: the port we're looking at | 287 | * @port: the port we're looking at |
276 | * | 288 | * |
277 | * Get the aggregator selection mode. Can be %BANDWIDTH or %COUNT. | 289 | * Get the aggregator selection mode. Can be %STABLE, %BANDWIDTH or %COUNT. |
278 | */ | 290 | */ |
279 | static inline u32 __get_agg_selection_mode(struct port *port) | 291 | static inline u32 __get_agg_selection_mode(struct port *port) |
280 | { | 292 | { |
281 | struct bonding *bond = __get_bond_by_port(port); | 293 | struct bonding *bond = __get_bond_by_port(port); |
282 | 294 | ||
283 | if (bond == NULL) { | 295 | if (bond == NULL) { |
284 | return AD_BANDWIDTH; | 296 | return BOND_AD_STABLE; |
285 | } | 297 | } |
286 | 298 | ||
287 | return BOND_AD_INFO(bond).agg_select_mode; | 299 | return BOND_AD_INFO(bond).agg_select_mode; |
@@ -1414,9 +1426,82 @@ static void ad_port_selection_logic(struct port *port) | |||
1414 | // else set ready=FALSE in all aggregator's ports | 1426 | // else set ready=FALSE in all aggregator's ports |
1415 | __set_agg_ports_ready(port->aggregator, __agg_ports_are_ready(port->aggregator)); | 1427 | __set_agg_ports_ready(port->aggregator, __agg_ports_are_ready(port->aggregator)); |
1416 | 1428 | ||
1417 | if (!__check_agg_selection_timer(port) && (aggregator = __get_first_agg(port))) { | 1429 | aggregator = __get_first_agg(port); |
1418 | ad_agg_selection_logic(aggregator); | 1430 | ad_agg_selection_logic(aggregator); |
1431 | } | ||
1432 | |||
1433 | /* | ||
1434 | * Decide if "agg" is a better choice for the new active aggregator that | ||
1435 | * the current best, according to the ad_select policy. | ||
1436 | */ | ||
1437 | static struct aggregator *ad_agg_selection_test(struct aggregator *best, | ||
1438 | struct aggregator *curr) | ||
1439 | { | ||
1440 | /* | ||
1441 | * 0. If no best, select current. | ||
1442 | * | ||
1443 | * 1. If the current agg is not individual, and the best is | ||
1444 | * individual, select current. | ||
1445 | * | ||
1446 | * 2. If current agg is individual and the best is not, keep best. | ||
1447 | * | ||
1448 | * 3. Therefore, current and best are both individual or both not | ||
1449 | * individual, so: | ||
1450 | * | ||
1451 | * 3a. If current agg partner replied, and best agg partner did not, | ||
1452 | * select current. | ||
1453 | * | ||
1454 | * 3b. If current agg partner did not reply and best agg partner | ||
1455 | * did reply, keep best. | ||
1456 | * | ||
1457 | * 4. Therefore, current and best both have partner replies or | ||
1458 | * both do not, so perform selection policy: | ||
1459 | * | ||
1460 | * BOND_AD_COUNT: Select by count of ports. If count is equal, | ||
1461 | * select by bandwidth. | ||
1462 | * | ||
1463 | * BOND_AD_STABLE, BOND_AD_BANDWIDTH: Select by bandwidth. | ||
1464 | */ | ||
1465 | if (!best) | ||
1466 | return curr; | ||
1467 | |||
1468 | if (!curr->is_individual && best->is_individual) | ||
1469 | return curr; | ||
1470 | |||
1471 | if (curr->is_individual && !best->is_individual) | ||
1472 | return best; | ||
1473 | |||
1474 | if (__agg_has_partner(curr) && !__agg_has_partner(best)) | ||
1475 | return curr; | ||
1476 | |||
1477 | if (!__agg_has_partner(curr) && __agg_has_partner(best)) | ||
1478 | return best; | ||
1479 | |||
1480 | switch (__get_agg_selection_mode(curr->lag_ports)) { | ||
1481 | case BOND_AD_COUNT: | ||
1482 | if (curr->num_of_ports > best->num_of_ports) | ||
1483 | return curr; | ||
1484 | |||
1485 | if (curr->num_of_ports < best->num_of_ports) | ||
1486 | return best; | ||
1487 | |||
1488 | /*FALLTHROUGH*/ | ||
1489 | case BOND_AD_STABLE: | ||
1490 | case BOND_AD_BANDWIDTH: | ||
1491 | if (__get_agg_bandwidth(curr) > __get_agg_bandwidth(best)) | ||
1492 | return curr; | ||
1493 | |||
1494 | break; | ||
1495 | |||
1496 | default: | ||
1497 | printk(KERN_WARNING DRV_NAME | ||
1498 | ": %s: Impossible agg select mode %d\n", | ||
1499 | curr->slave->dev->master->name, | ||
1500 | __get_agg_selection_mode(curr->lag_ports)); | ||
1501 | break; | ||
1419 | } | 1502 | } |
1503 | |||
1504 | return best; | ||
1420 | } | 1505 | } |
1421 | 1506 | ||
1422 | /** | 1507 | /** |
@@ -1424,156 +1509,138 @@ static void ad_port_selection_logic(struct port *port) | |||
1424 | * @aggregator: the aggregator we're looking at | 1509 | * @aggregator: the aggregator we're looking at |
1425 | * | 1510 | * |
1426 | * It is assumed that only one aggregator may be selected for a team. | 1511 | * It is assumed that only one aggregator may be selected for a team. |
1427 | * The logic of this function is to select (at first time) the aggregator with | 1512 | * |
1428 | * the most ports attached to it, and to reselect the active aggregator only if | 1513 | * The logic of this function is to select the aggregator according to |
1429 | * the previous aggregator has no more ports related to it. | 1514 | * the ad_select policy: |
1515 | * | ||
1516 | * BOND_AD_STABLE: select the aggregator with the most ports attached to | ||
1517 | * it, and to reselect the active aggregator only if the previous | ||
1518 | * aggregator has no more ports related to it. | ||
1519 | * | ||
1520 | * BOND_AD_BANDWIDTH: select the aggregator with the highest total | ||
1521 | * bandwidth, and reselect whenever a link state change takes place or the | ||
1522 | * set of slaves in the bond changes. | ||
1523 | * | ||
1524 | * BOND_AD_COUNT: select the aggregator with largest number of ports | ||
1525 | * (slaves), and reselect whenever a link state change takes place or the | ||
1526 | * set of slaves in the bond changes. | ||
1430 | * | 1527 | * |
1431 | * FIXME: this function MUST be called with the first agg in the bond, or | 1528 | * FIXME: this function MUST be called with the first agg in the bond, or |
1432 | * __get_active_agg() won't work correctly. This function should be better | 1529 | * __get_active_agg() won't work correctly. This function should be better |
1433 | * called with the bond itself, and retrieve the first agg from it. | 1530 | * called with the bond itself, and retrieve the first agg from it. |
1434 | */ | 1531 | */ |
1435 | static void ad_agg_selection_logic(struct aggregator *aggregator) | 1532 | static void ad_agg_selection_logic(struct aggregator *agg) |
1436 | { | 1533 | { |
1437 | struct aggregator *best_aggregator = NULL, *active_aggregator = NULL; | 1534 | struct aggregator *best, *active, *origin; |
1438 | struct aggregator *last_active_aggregator = NULL, *origin_aggregator; | ||
1439 | struct port *port; | 1535 | struct port *port; |
1440 | u16 num_of_aggs=0; | ||
1441 | 1536 | ||
1442 | origin_aggregator = aggregator; | 1537 | origin = agg; |
1443 | 1538 | ||
1444 | //get current active aggregator | 1539 | active = __get_active_agg(agg); |
1445 | last_active_aggregator = __get_active_agg(aggregator); | 1540 | best = active; |
1446 | 1541 | ||
1447 | // search for the aggregator with the most ports attached to it. | ||
1448 | do { | 1542 | do { |
1449 | // count how many candidate lag's we have | 1543 | agg->is_active = 0; |
1450 | if (aggregator->lag_ports) { | 1544 | |
1451 | num_of_aggs++; | 1545 | if (agg->num_of_ports) |
1452 | } | 1546 | best = ad_agg_selection_test(best, agg); |
1453 | if (aggregator->is_active && !aggregator->is_individual && // if current aggregator is the active aggregator | 1547 | |
1454 | MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(null_mac_addr))) { // and partner answers to 802.3ad PDUs | 1548 | } while ((agg = __get_next_agg(agg))); |
1455 | if (aggregator->num_of_ports) { // if any ports attached to the current aggregator | 1549 | |
1456 | best_aggregator=NULL; // disregard the best aggregator that was chosen by now | 1550 | if (best && |
1457 | break; // stop the selection of other aggregator if there are any ports attached to this active aggregator | 1551 | __get_agg_selection_mode(best->lag_ports) == BOND_AD_STABLE) { |
1458 | } else { // no ports attached to this active aggregator | 1552 | /* |
1459 | aggregator->is_active = 0; // mark this aggregator as not active anymore | 1553 | * For the STABLE policy, don't replace the old active |
1554 | * aggregator if it's still active (it has an answering | ||
1555 | * partner) or if both the best and active don't have an | ||
1556 | * answering partner. | ||
1557 | */ | ||
1558 | if (active && active->lag_ports && | ||
1559 | active->lag_ports->is_enabled && | ||
1560 | (__agg_has_partner(active) || | ||
1561 | (!__agg_has_partner(active) && !__agg_has_partner(best)))) { | ||
1562 | if (!(!active->actor_oper_aggregator_key && | ||
1563 | best->actor_oper_aggregator_key)) { | ||
1564 | best = NULL; | ||
1565 | active->is_active = 1; | ||
1460 | } | 1566 | } |
1461 | } | 1567 | } |
1462 | if (aggregator->num_of_ports) { // if any ports attached | 1568 | } |
1463 | if (best_aggregator) { // if there is a candidte aggregator | ||
1464 | //The reasons for choosing new best aggregator: | ||
1465 | // 1. if current agg is NOT individual and the best agg chosen so far is individual OR | ||
1466 | // current and best aggs are both individual or both not individual, AND | ||
1467 | // 2a. current agg partner reply but best agg partner do not reply OR | ||
1468 | // 2b. current agg partner reply OR current agg partner do not reply AND best agg partner also do not reply AND | ||
1469 | // current has more ports/bandwidth, or same amount of ports but current has faster ports, THEN | ||
1470 | // current agg become best agg so far | ||
1471 | |||
1472 | //if current agg is NOT individual and the best agg chosen so far is individual change best_aggregator | ||
1473 | if (!aggregator->is_individual && best_aggregator->is_individual) { | ||
1474 | best_aggregator=aggregator; | ||
1475 | } | ||
1476 | // current and best aggs are both individual or both not individual | ||
1477 | else if ((aggregator->is_individual && best_aggregator->is_individual) || | ||
1478 | (!aggregator->is_individual && !best_aggregator->is_individual)) { | ||
1479 | // current and best aggs are both individual or both not individual AND | ||
1480 | // current agg partner reply but best agg partner do not reply | ||
1481 | if ((MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(null_mac_addr)) && | ||
1482 | !MAC_ADDRESS_COMPARE(&(best_aggregator->partner_system), &(null_mac_addr)))) { | ||
1483 | best_aggregator=aggregator; | ||
1484 | } | ||
1485 | // current agg partner reply OR current agg partner do not reply AND best agg partner also do not reply | ||
1486 | else if (! (!MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(null_mac_addr)) && | ||
1487 | MAC_ADDRESS_COMPARE(&(best_aggregator->partner_system), &(null_mac_addr)))) { | ||
1488 | if ((__get_agg_selection_mode(aggregator->lag_ports) == AD_BANDWIDTH)&& | ||
1489 | (__get_agg_bandwidth(aggregator) > __get_agg_bandwidth(best_aggregator))) { | ||
1490 | best_aggregator=aggregator; | ||
1491 | } else if (__get_agg_selection_mode(aggregator->lag_ports) == AD_COUNT) { | ||
1492 | if (((aggregator->num_of_ports > best_aggregator->num_of_ports) && | ||
1493 | (aggregator->actor_oper_aggregator_key & AD_SPEED_KEY_BITS))|| | ||
1494 | ((aggregator->num_of_ports == best_aggregator->num_of_ports) && | ||
1495 | ((u16)(aggregator->actor_oper_aggregator_key & AD_SPEED_KEY_BITS) > | ||
1496 | (u16)(best_aggregator->actor_oper_aggregator_key & AD_SPEED_KEY_BITS)))) { | ||
1497 | best_aggregator=aggregator; | ||
1498 | } | ||
1499 | } | ||
1500 | } | ||
1501 | } | ||
1502 | } else { | ||
1503 | best_aggregator=aggregator; | ||
1504 | } | ||
1505 | } | ||
1506 | aggregator->is_active = 0; // mark all aggregators as not active anymore | ||
1507 | } while ((aggregator = __get_next_agg(aggregator))); | ||
1508 | |||
1509 | // if we have new aggregator selected, don't replace the old aggregator if it has an answering partner, | ||
1510 | // or if both old aggregator and new aggregator don't have answering partner | ||
1511 | if (best_aggregator) { | ||
1512 | if (last_active_aggregator && last_active_aggregator->lag_ports && last_active_aggregator->lag_ports->is_enabled && | ||
1513 | (MAC_ADDRESS_COMPARE(&(last_active_aggregator->partner_system), &(null_mac_addr)) || // partner answers OR | ||
1514 | (!MAC_ADDRESS_COMPARE(&(last_active_aggregator->partner_system), &(null_mac_addr)) && // both old and new | ||
1515 | !MAC_ADDRESS_COMPARE(&(best_aggregator->partner_system), &(null_mac_addr)))) // partner do not answer | ||
1516 | ) { | ||
1517 | // if new aggregator has link, and old aggregator does not, replace old aggregator.(do nothing) | ||
1518 | // -> don't replace otherwise. | ||
1519 | if (!(!last_active_aggregator->actor_oper_aggregator_key && best_aggregator->actor_oper_aggregator_key)) { | ||
1520 | best_aggregator=NULL; | ||
1521 | last_active_aggregator->is_active = 1; // don't replace good old aggregator | ||
1522 | 1569 | ||
1523 | } | 1570 | if (best && (best == active)) { |
1524 | } | 1571 | best = NULL; |
1572 | active->is_active = 1; | ||
1525 | } | 1573 | } |
1526 | 1574 | ||
1527 | // if there is new best aggregator, activate it | 1575 | // if there is new best aggregator, activate it |
1528 | if (best_aggregator) { | 1576 | if (best) { |
1529 | for (aggregator = __get_first_agg(best_aggregator->lag_ports); | 1577 | dprintk("best Agg=%d; P=%d; a k=%d; p k=%d; Ind=%d; Act=%d\n", |
1530 | aggregator; | 1578 | best->aggregator_identifier, best->num_of_ports, |
1531 | aggregator = __get_next_agg(aggregator)) { | 1579 | best->actor_oper_aggregator_key, |
1532 | 1580 | best->partner_oper_aggregator_key, | |
1533 | dprintk("Agg=%d; Ports=%d; a key=%d; p key=%d; Indiv=%d; Active=%d\n", | 1581 | best->is_individual, best->is_active); |
1534 | aggregator->aggregator_identifier, aggregator->num_of_ports, | 1582 | dprintk("best ports %p slave %p %s\n", |
1535 | aggregator->actor_oper_aggregator_key, aggregator->partner_oper_aggregator_key, | 1583 | best->lag_ports, best->slave, |
1536 | aggregator->is_individual, aggregator->is_active); | 1584 | best->slave ? best->slave->dev->name : "NULL"); |
1585 | |||
1586 | for (agg = __get_first_agg(best->lag_ports); agg; | ||
1587 | agg = __get_next_agg(agg)) { | ||
1588 | |||
1589 | dprintk("Agg=%d; P=%d; a k=%d; p k=%d; Ind=%d; Act=%d\n", | ||
1590 | agg->aggregator_identifier, agg->num_of_ports, | ||
1591 | agg->actor_oper_aggregator_key, | ||
1592 | agg->partner_oper_aggregator_key, | ||
1593 | agg->is_individual, agg->is_active); | ||
1537 | } | 1594 | } |
1538 | 1595 | ||
1539 | // check if any partner replys | 1596 | // check if any partner replys |
1540 | if (best_aggregator->is_individual) { | 1597 | if (best->is_individual) { |
1541 | printk(KERN_WARNING DRV_NAME ": %s: Warning: No 802.3ad response from " | 1598 | printk(KERN_WARNING DRV_NAME ": %s: Warning: No 802.3ad" |
1542 | "the link partner for any adapters in the bond\n", | 1599 | " response from the link partner for any" |
1543 | best_aggregator->slave->dev->master->name); | 1600 | " adapters in the bond\n", |
1544 | } | 1601 | best->slave->dev->master->name); |
1545 | |||
1546 | // check if there are more than one aggregator | ||
1547 | if (num_of_aggs > 1) { | ||
1548 | dprintk("Warning: More than one Link Aggregation Group was " | ||
1549 | "found in the bond. Only one group will function in the bond\n"); | ||
1550 | } | 1602 | } |
1551 | 1603 | ||
1552 | best_aggregator->is_active = 1; | 1604 | best->is_active = 1; |
1553 | dprintk("LAG %d choosed as the active LAG\n", best_aggregator->aggregator_identifier); | 1605 | dprintk("LAG %d chosen as the active LAG\n", |
1554 | dprintk("Agg=%d; Ports=%d; a key=%d; p key=%d; Indiv=%d; Active=%d\n", | 1606 | best->aggregator_identifier); |
1555 | best_aggregator->aggregator_identifier, best_aggregator->num_of_ports, | 1607 | dprintk("Agg=%d; P=%d; a k=%d; p k=%d; Ind=%d; Act=%d\n", |
1556 | best_aggregator->actor_oper_aggregator_key, best_aggregator->partner_oper_aggregator_key, | 1608 | best->aggregator_identifier, best->num_of_ports, |
1557 | best_aggregator->is_individual, best_aggregator->is_active); | 1609 | best->actor_oper_aggregator_key, |
1610 | best->partner_oper_aggregator_key, | ||
1611 | best->is_individual, best->is_active); | ||
1558 | 1612 | ||
1559 | // disable the ports that were related to the former active_aggregator | 1613 | // disable the ports that were related to the former active_aggregator |
1560 | if (last_active_aggregator) { | 1614 | if (active) { |
1561 | for (port=last_active_aggregator->lag_ports; port; port=port->next_port_in_aggregator) { | 1615 | for (port = active->lag_ports; port; |
1616 | port = port->next_port_in_aggregator) { | ||
1562 | __disable_port(port); | 1617 | __disable_port(port); |
1563 | } | 1618 | } |
1564 | } | 1619 | } |
1565 | } | 1620 | } |
1566 | 1621 | ||
1567 | // if the selected aggregator is of join individuals(partner_system is NULL), enable their ports | 1622 | /* |
1568 | active_aggregator = __get_active_agg(origin_aggregator); | 1623 | * if the selected aggregator is of join individuals |
1624 | * (partner_system is NULL), enable their ports | ||
1625 | */ | ||
1626 | active = __get_active_agg(origin); | ||
1569 | 1627 | ||
1570 | if (active_aggregator) { | 1628 | if (active) { |
1571 | if (!MAC_ADDRESS_COMPARE(&(active_aggregator->partner_system), &(null_mac_addr))) { | 1629 | if (!__agg_has_partner(active)) { |
1572 | for (port=active_aggregator->lag_ports; port; port=port->next_port_in_aggregator) { | 1630 | for (port = active->lag_ports; port; |
1631 | port = port->next_port_in_aggregator) { | ||
1573 | __enable_port(port); | 1632 | __enable_port(port); |
1574 | } | 1633 | } |
1575 | } | 1634 | } |
1576 | } | 1635 | } |
1636 | |||
1637 | if (origin->slave) { | ||
1638 | struct bonding *bond; | ||
1639 | |||
1640 | bond = bond_get_bond_by_slave(origin->slave); | ||
1641 | if (bond) | ||
1642 | bond_3ad_set_carrier(bond); | ||
1643 | } | ||
1577 | } | 1644 | } |
1578 | 1645 | ||
1579 | /** | 1646 | /** |
@@ -1830,6 +1897,19 @@ static void ad_initialize_lacpdu(struct lacpdu *lacpdu) | |||
1830 | // Check aggregators status in team every T seconds | 1897 | // Check aggregators status in team every T seconds |
1831 | #define AD_AGGREGATOR_SELECTION_TIMER 8 | 1898 | #define AD_AGGREGATOR_SELECTION_TIMER 8 |
1832 | 1899 | ||
1900 | /* | ||
1901 | * bond_3ad_initiate_agg_selection(struct bonding *bond) | ||
1902 | * | ||
1903 | * Set the aggregation selection timer, to initiate an agg selection in | ||
1904 | * the very near future. Called during first initialization, and during | ||
1905 | * any down to up transitions of the bond. | ||
1906 | */ | ||
1907 | void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout) | ||
1908 | { | ||
1909 | BOND_AD_INFO(bond).agg_select_timer = timeout; | ||
1910 | BOND_AD_INFO(bond).agg_select_mode = bond->params.ad_select; | ||
1911 | } | ||
1912 | |||
1833 | static u16 aggregator_identifier; | 1913 | static u16 aggregator_identifier; |
1834 | 1914 | ||
1835 | /** | 1915 | /** |
@@ -1854,9 +1934,9 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fas | |||
1854 | // initialize how many times this module is called in one second(should be about every 100ms) | 1934 | // initialize how many times this module is called in one second(should be about every 100ms) |
1855 | ad_ticks_per_sec = tick_resolution; | 1935 | ad_ticks_per_sec = tick_resolution; |
1856 | 1936 | ||
1857 | // initialize the aggregator selection timer(to activate an aggregation selection after initialize) | 1937 | bond_3ad_initiate_agg_selection(bond, |
1858 | BOND_AD_INFO(bond).agg_select_timer = (AD_AGGREGATOR_SELECTION_TIMER * ad_ticks_per_sec); | 1938 | AD_AGGREGATOR_SELECTION_TIMER * |
1859 | BOND_AD_INFO(bond).agg_select_mode = AD_BANDWIDTH; | 1939 | ad_ticks_per_sec); |
1860 | } | 1940 | } |
1861 | } | 1941 | } |
1862 | 1942 | ||
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index b5ee45f6d55a..a803fe05f63e 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h | |||
@@ -42,10 +42,11 @@ typedef struct mac_addr { | |||
42 | u8 mac_addr_value[ETH_ALEN]; | 42 | u8 mac_addr_value[ETH_ALEN]; |
43 | } mac_addr_t; | 43 | } mac_addr_t; |
44 | 44 | ||
45 | typedef enum { | 45 | enum { |
46 | AD_BANDWIDTH = 0, | 46 | BOND_AD_STABLE = 0, |
47 | AD_COUNT | 47 | BOND_AD_BANDWIDTH = 1, |
48 | } agg_selection_t; | 48 | BOND_AD_COUNT = 2, |
49 | }; | ||
49 | 50 | ||
50 | // rx machine states(43.4.11 in the 802.3ad standard) | 51 | // rx machine states(43.4.11 in the 802.3ad standard) |
51 | typedef enum { | 52 | typedef enum { |
@@ -277,6 +278,7 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fas | |||
277 | int bond_3ad_bind_slave(struct slave *slave); | 278 | int bond_3ad_bind_slave(struct slave *slave); |
278 | void bond_3ad_unbind_slave(struct slave *slave); | 279 | void bond_3ad_unbind_slave(struct slave *slave); |
279 | void bond_3ad_state_machine_handler(struct work_struct *); | 280 | void bond_3ad_state_machine_handler(struct work_struct *); |
281 | void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout); | ||
280 | void bond_3ad_adapter_speed_changed(struct slave *slave); | 282 | void bond_3ad_adapter_speed_changed(struct slave *slave); |
281 | void bond_3ad_adapter_duplex_changed(struct slave *slave); | 283 | void bond_3ad_adapter_duplex_changed(struct slave *slave); |
282 | void bond_3ad_handle_link_change(struct slave *slave, char link); | 284 | void bond_3ad_handle_link_change(struct slave *slave, char link); |
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 87437c788476..e170fa2fa1a1 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c | |||
@@ -346,14 +346,18 @@ static void rlb_update_entry_from_arp(struct bonding *bond, struct arp_pkt *arp) | |||
346 | 346 | ||
347 | static int rlb_arp_recv(struct sk_buff *skb, struct net_device *bond_dev, struct packet_type *ptype, struct net_device *orig_dev) | 347 | static int rlb_arp_recv(struct sk_buff *skb, struct net_device *bond_dev, struct packet_type *ptype, struct net_device *orig_dev) |
348 | { | 348 | { |
349 | struct bonding *bond = bond_dev->priv; | 349 | struct bonding *bond; |
350 | struct arp_pkt *arp = (struct arp_pkt *)skb->data; | 350 | struct arp_pkt *arp = (struct arp_pkt *)skb->data; |
351 | int res = NET_RX_DROP; | 351 | int res = NET_RX_DROP; |
352 | 352 | ||
353 | if (dev_net(bond_dev) != &init_net) | 353 | if (dev_net(bond_dev) != &init_net) |
354 | goto out; | 354 | goto out; |
355 | 355 | ||
356 | if (!(bond_dev->flags & IFF_MASTER)) | 356 | while (bond_dev->priv_flags & IFF_802_1Q_VLAN) |
357 | bond_dev = vlan_dev_real_dev(bond_dev); | ||
358 | |||
359 | if (!(bond_dev->priv_flags & IFF_BONDING) || | ||
360 | !(bond_dev->flags & IFF_MASTER)) | ||
357 | goto out; | 361 | goto out; |
358 | 362 | ||
359 | if (!arp) { | 363 | if (!arp) { |
@@ -368,6 +372,9 @@ static int rlb_arp_recv(struct sk_buff *skb, struct net_device *bond_dev, struct | |||
368 | 372 | ||
369 | if (arp->op_code == htons(ARPOP_REPLY)) { | 373 | if (arp->op_code == htons(ARPOP_REPLY)) { |
370 | /* update rx hash table for this ARP */ | 374 | /* update rx hash table for this ARP */ |
375 | printk("rar: update orig %s bond_dev %s\n", orig_dev->name, | ||
376 | bond_dev->name); | ||
377 | bond = bond_dev->priv; | ||
371 | rlb_update_entry_from_arp(bond, arp); | 378 | rlb_update_entry_from_arp(bond, arp); |
372 | dprintk("Server received an ARP Reply from client\n"); | 379 | dprintk("Server received an ARP Reply from client\n"); |
373 | } | 380 | } |
@@ -818,7 +825,7 @@ static int rlb_initialize(struct bonding *bond) | |||
818 | 825 | ||
819 | /*initialize packet type*/ | 826 | /*initialize packet type*/ |
820 | pk_type->type = __constant_htons(ETH_P_ARP); | 827 | pk_type->type = __constant_htons(ETH_P_ARP); |
821 | pk_type->dev = bond->dev; | 828 | pk_type->dev = NULL; |
822 | pk_type->func = rlb_arp_recv; | 829 | pk_type->func = rlb_arp_recv; |
823 | 830 | ||
824 | /* register to receive ARPs */ | 831 | /* register to receive ARPs */ |
diff --git a/drivers/net/bonding/bond_ipv6.c b/drivers/net/bonding/bond_ipv6.c new file mode 100644 index 000000000000..7c78b7bf671c --- /dev/null +++ b/drivers/net/bonding/bond_ipv6.c | |||
@@ -0,0 +1,218 @@ | |||
1 | /* | ||
2 | * Copyright(c) 2008 Hewlett-Packard Development Company, L.P. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms of the GNU General Public License as published by the | ||
6 | * Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, but | ||
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | ||
11 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
12 | * for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along | ||
15 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
16 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
17 | * | ||
18 | * The full GNU General Public License is included in this distribution in the | ||
19 | * file called LICENSE. | ||
20 | * | ||
21 | */ | ||
22 | |||
23 | //#define BONDING_DEBUG 1 | ||
24 | |||
25 | #include <linux/types.h> | ||
26 | #include <linux/if_vlan.h> | ||
27 | #include <net/ipv6.h> | ||
28 | #include <net/ndisc.h> | ||
29 | #include <net/addrconf.h> | ||
30 | #include "bonding.h" | ||
31 | |||
32 | /* | ||
33 | * Assign bond->master_ipv6 to the next IPv6 address in the list, or | ||
34 | * zero it out if there are none. | ||
35 | */ | ||
36 | static void bond_glean_dev_ipv6(struct net_device *dev, struct in6_addr *addr) | ||
37 | { | ||
38 | struct inet6_dev *idev; | ||
39 | struct inet6_ifaddr *ifa; | ||
40 | |||
41 | if (!dev) | ||
42 | return; | ||
43 | |||
44 | idev = in6_dev_get(dev); | ||
45 | if (!idev) | ||
46 | return; | ||
47 | |||
48 | read_lock_bh(&idev->lock); | ||
49 | ifa = idev->addr_list; | ||
50 | if (ifa) | ||
51 | ipv6_addr_copy(addr, &ifa->addr); | ||
52 | else | ||
53 | ipv6_addr_set(addr, 0, 0, 0, 0); | ||
54 | |||
55 | read_unlock_bh(&idev->lock); | ||
56 | |||
57 | in6_dev_put(idev); | ||
58 | } | ||
59 | |||
60 | static void bond_na_send(struct net_device *slave_dev, | ||
61 | struct in6_addr *daddr, | ||
62 | int router, | ||
63 | unsigned short vlan_id) | ||
64 | { | ||
65 | struct in6_addr mcaddr; | ||
66 | struct icmp6hdr icmp6h = { | ||
67 | .icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT, | ||
68 | }; | ||
69 | struct sk_buff *skb; | ||
70 | |||
71 | icmp6h.icmp6_router = router; | ||
72 | icmp6h.icmp6_solicited = 0; | ||
73 | icmp6h.icmp6_override = 1; | ||
74 | |||
75 | addrconf_addr_solict_mult(daddr, &mcaddr); | ||
76 | |||
77 | dprintk("ipv6 na on slave %s: dest %pI6, src %pI6\n", | ||
78 | slave->name, &mcaddr, daddr); | ||
79 | |||
80 | skb = ndisc_build_skb(slave_dev, &mcaddr, daddr, &icmp6h, daddr, | ||
81 | ND_OPT_TARGET_LL_ADDR); | ||
82 | |||
83 | if (!skb) { | ||
84 | printk(KERN_ERR DRV_NAME ": NA packet allocation failed\n"); | ||
85 | return; | ||
86 | } | ||
87 | |||
88 | if (vlan_id) { | ||
89 | skb = vlan_put_tag(skb, vlan_id); | ||
90 | if (!skb) { | ||
91 | printk(KERN_ERR DRV_NAME ": failed to insert VLAN tag\n"); | ||
92 | return; | ||
93 | } | ||
94 | } | ||
95 | |||
96 | ndisc_send_skb(skb, slave_dev, NULL, &mcaddr, daddr, &icmp6h); | ||
97 | } | ||
98 | |||
99 | /* | ||
100 | * Kick out an unsolicited Neighbor Advertisement for an IPv6 address on | ||
101 | * the bonding master. This will help the switch learn our address | ||
102 | * if in active-backup mode. | ||
103 | * | ||
104 | * Caller must hold curr_slave_lock for read or better | ||
105 | */ | ||
106 | void bond_send_unsolicited_na(struct bonding *bond) | ||
107 | { | ||
108 | struct slave *slave = bond->curr_active_slave; | ||
109 | struct vlan_entry *vlan; | ||
110 | struct inet6_dev *idev; | ||
111 | int is_router; | ||
112 | |||
113 | dprintk("bond_send_unsol_na: bond %s slave %s\n", bond->dev->name, | ||
114 | slave ? slave->dev->name : "NULL"); | ||
115 | |||
116 | if (!slave || !bond->send_unsol_na || | ||
117 | test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state)) | ||
118 | return; | ||
119 | |||
120 | bond->send_unsol_na--; | ||
121 | |||
122 | idev = in6_dev_get(bond->dev); | ||
123 | if (!idev) | ||
124 | return; | ||
125 | |||
126 | is_router = !!idev->cnf.forwarding; | ||
127 | |||
128 | in6_dev_put(idev); | ||
129 | |||
130 | if (!ipv6_addr_any(&bond->master_ipv6)) | ||
131 | bond_na_send(slave->dev, &bond->master_ipv6, is_router, 0); | ||
132 | |||
133 | list_for_each_entry(vlan, &bond->vlan_list, vlan_list) { | ||
134 | if (!ipv6_addr_any(&vlan->vlan_ipv6)) { | ||
135 | bond_na_send(slave->dev, &vlan->vlan_ipv6, is_router, | ||
136 | vlan->vlan_id); | ||
137 | } | ||
138 | } | ||
139 | } | ||
140 | |||
141 | /* | ||
142 | * bond_inet6addr_event: handle inet6addr notifier chain events. | ||
143 | * | ||
144 | * We keep track of device IPv6 addresses primarily to use as source | ||
145 | * addresses in NS probes. | ||
146 | * | ||
147 | * We track one IPv6 for the main device (if it has one). | ||
148 | */ | ||
149 | static int bond_inet6addr_event(struct notifier_block *this, | ||
150 | unsigned long event, | ||
151 | void *ptr) | ||
152 | { | ||
153 | struct inet6_ifaddr *ifa = ptr; | ||
154 | struct net_device *vlan_dev, *event_dev = ifa->idev->dev; | ||
155 | struct bonding *bond; | ||
156 | struct vlan_entry *vlan; | ||
157 | |||
158 | if (dev_net(event_dev) != &init_net) | ||
159 | return NOTIFY_DONE; | ||
160 | |||
161 | list_for_each_entry(bond, &bond_dev_list, bond_list) { | ||
162 | if (bond->dev == event_dev) { | ||
163 | switch (event) { | ||
164 | case NETDEV_UP: | ||
165 | if (ipv6_addr_any(&bond->master_ipv6)) | ||
166 | ipv6_addr_copy(&bond->master_ipv6, | ||
167 | &ifa->addr); | ||
168 | return NOTIFY_OK; | ||
169 | case NETDEV_DOWN: | ||
170 | if (ipv6_addr_equal(&bond->master_ipv6, | ||
171 | &ifa->addr)) | ||
172 | bond_glean_dev_ipv6(bond->dev, | ||
173 | &bond->master_ipv6); | ||
174 | return NOTIFY_OK; | ||
175 | default: | ||
176 | return NOTIFY_DONE; | ||
177 | } | ||
178 | } | ||
179 | |||
180 | list_for_each_entry(vlan, &bond->vlan_list, vlan_list) { | ||
181 | vlan_dev = vlan_group_get_device(bond->vlgrp, | ||
182 | vlan->vlan_id); | ||
183 | if (vlan_dev == event_dev) { | ||
184 | switch (event) { | ||
185 | case NETDEV_UP: | ||
186 | if (ipv6_addr_any(&vlan->vlan_ipv6)) | ||
187 | ipv6_addr_copy(&vlan->vlan_ipv6, | ||
188 | &ifa->addr); | ||
189 | return NOTIFY_OK; | ||
190 | case NETDEV_DOWN: | ||
191 | if (ipv6_addr_equal(&vlan->vlan_ipv6, | ||
192 | &ifa->addr)) | ||
193 | bond_glean_dev_ipv6(vlan_dev, | ||
194 | &vlan->vlan_ipv6); | ||
195 | return NOTIFY_OK; | ||
196 | default: | ||
197 | return NOTIFY_DONE; | ||
198 | } | ||
199 | } | ||
200 | } | ||
201 | } | ||
202 | return NOTIFY_DONE; | ||
203 | } | ||
204 | |||
205 | static struct notifier_block bond_inet6addr_notifier = { | ||
206 | .notifier_call = bond_inet6addr_event, | ||
207 | }; | ||
208 | |||
209 | void bond_register_ipv6_notifier(void) | ||
210 | { | ||
211 | register_inet6addr_notifier(&bond_inet6addr_notifier); | ||
212 | } | ||
213 | |||
214 | void bond_unregister_ipv6_notifier(void) | ||
215 | { | ||
216 | unregister_inet6addr_notifier(&bond_inet6addr_notifier); | ||
217 | } | ||
218 | |||
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 39575d764974..02de3e031237 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c | |||
@@ -89,6 +89,7 @@ | |||
89 | 89 | ||
90 | static int max_bonds = BOND_DEFAULT_MAX_BONDS; | 90 | static int max_bonds = BOND_DEFAULT_MAX_BONDS; |
91 | static int num_grat_arp = 1; | 91 | static int num_grat_arp = 1; |
92 | static int num_unsol_na = 1; | ||
92 | static int miimon = BOND_LINK_MON_INTERV; | 93 | static int miimon = BOND_LINK_MON_INTERV; |
93 | static int updelay = 0; | 94 | static int updelay = 0; |
94 | static int downdelay = 0; | 95 | static int downdelay = 0; |
@@ -96,6 +97,7 @@ static int use_carrier = 1; | |||
96 | static char *mode = NULL; | 97 | static char *mode = NULL; |
97 | static char *primary = NULL; | 98 | static char *primary = NULL; |
98 | static char *lacp_rate = NULL; | 99 | static char *lacp_rate = NULL; |
100 | static char *ad_select = NULL; | ||
99 | static char *xmit_hash_policy = NULL; | 101 | static char *xmit_hash_policy = NULL; |
100 | static int arp_interval = BOND_LINK_ARP_INTERV; | 102 | static int arp_interval = BOND_LINK_ARP_INTERV; |
101 | static char *arp_ip_target[BOND_MAX_ARP_TARGETS] = { NULL, }; | 103 | static char *arp_ip_target[BOND_MAX_ARP_TARGETS] = { NULL, }; |
@@ -107,6 +109,8 @@ module_param(max_bonds, int, 0); | |||
107 | MODULE_PARM_DESC(max_bonds, "Max number of bonded devices"); | 109 | MODULE_PARM_DESC(max_bonds, "Max number of bonded devices"); |
108 | module_param(num_grat_arp, int, 0644); | 110 | module_param(num_grat_arp, int, 0644); |
109 | MODULE_PARM_DESC(num_grat_arp, "Number of gratuitous ARP packets to send on failover event"); | 111 | MODULE_PARM_DESC(num_grat_arp, "Number of gratuitous ARP packets to send on failover event"); |
112 | module_param(num_unsol_na, int, 0644); | ||
113 | MODULE_PARM_DESC(num_unsol_na, "Number of unsolicited IPv6 Neighbor Advertisements packets to send on failover event"); | ||
110 | module_param(miimon, int, 0); | 114 | module_param(miimon, int, 0); |
111 | MODULE_PARM_DESC(miimon, "Link check interval in milliseconds"); | 115 | MODULE_PARM_DESC(miimon, "Link check interval in milliseconds"); |
112 | module_param(updelay, int, 0); | 116 | module_param(updelay, int, 0); |
@@ -127,6 +131,8 @@ MODULE_PARM_DESC(primary, "Primary network device to use"); | |||
127 | module_param(lacp_rate, charp, 0); | 131 | module_param(lacp_rate, charp, 0); |
128 | MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner " | 132 | MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner " |
129 | "(slow/fast)"); | 133 | "(slow/fast)"); |
134 | module_param(ad_select, charp, 0); | ||
135 | MODULE_PARM_DESC(ad_select, "803.ad aggregation selection logic: stable (0, default), bandwidth (1), count (2)"); | ||
130 | module_param(xmit_hash_policy, charp, 0); | 136 | module_param(xmit_hash_policy, charp, 0); |
131 | MODULE_PARM_DESC(xmit_hash_policy, "XOR hashing method: 0 for layer 2 (default)" | 137 | MODULE_PARM_DESC(xmit_hash_policy, "XOR hashing method: 0 for layer 2 (default)" |
132 | ", 1 for layer 3+4"); | 138 | ", 1 for layer 3+4"); |
@@ -197,6 +203,13 @@ struct bond_parm_tbl fail_over_mac_tbl[] = { | |||
197 | { NULL, -1}, | 203 | { NULL, -1}, |
198 | }; | 204 | }; |
199 | 205 | ||
206 | struct bond_parm_tbl ad_select_tbl[] = { | ||
207 | { "stable", BOND_AD_STABLE}, | ||
208 | { "bandwidth", BOND_AD_BANDWIDTH}, | ||
209 | { "count", BOND_AD_COUNT}, | ||
210 | { NULL, -1}, | ||
211 | }; | ||
212 | |||
200 | /*-------------------------- Forward declarations ---------------------------*/ | 213 | /*-------------------------- Forward declarations ---------------------------*/ |
201 | 214 | ||
202 | static void bond_send_gratuitous_arp(struct bonding *bond); | 215 | static void bond_send_gratuitous_arp(struct bonding *bond); |
@@ -242,14 +255,13 @@ static int bond_add_vlan(struct bonding *bond, unsigned short vlan_id) | |||
242 | dprintk("bond: %s, vlan id %d\n", | 255 | dprintk("bond: %s, vlan id %d\n", |
243 | (bond ? bond->dev->name: "None"), vlan_id); | 256 | (bond ? bond->dev->name: "None"), vlan_id); |
244 | 257 | ||
245 | vlan = kmalloc(sizeof(struct vlan_entry), GFP_KERNEL); | 258 | vlan = kzalloc(sizeof(struct vlan_entry), GFP_KERNEL); |
246 | if (!vlan) { | 259 | if (!vlan) { |
247 | return -ENOMEM; | 260 | return -ENOMEM; |
248 | } | 261 | } |
249 | 262 | ||
250 | INIT_LIST_HEAD(&vlan->vlan_list); | 263 | INIT_LIST_HEAD(&vlan->vlan_list); |
251 | vlan->vlan_id = vlan_id; | 264 | vlan->vlan_id = vlan_id; |
252 | vlan->vlan_ip = 0; | ||
253 | 265 | ||
254 | write_lock_bh(&bond->lock); | 266 | write_lock_bh(&bond->lock); |
255 | 267 | ||
@@ -1208,6 +1220,9 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active) | |||
1208 | bond->send_grat_arp = bond->params.num_grat_arp; | 1220 | bond->send_grat_arp = bond->params.num_grat_arp; |
1209 | bond_send_gratuitous_arp(bond); | 1221 | bond_send_gratuitous_arp(bond); |
1210 | 1222 | ||
1223 | bond->send_unsol_na = bond->params.num_unsol_na; | ||
1224 | bond_send_unsolicited_na(bond); | ||
1225 | |||
1211 | write_unlock_bh(&bond->curr_slave_lock); | 1226 | write_unlock_bh(&bond->curr_slave_lock); |
1212 | read_unlock(&bond->lock); | 1227 | read_unlock(&bond->lock); |
1213 | 1228 | ||
@@ -2463,6 +2478,12 @@ void bond_mii_monitor(struct work_struct *work) | |||
2463 | read_unlock(&bond->curr_slave_lock); | 2478 | read_unlock(&bond->curr_slave_lock); |
2464 | } | 2479 | } |
2465 | 2480 | ||
2481 | if (bond->send_unsol_na) { | ||
2482 | read_lock(&bond->curr_slave_lock); | ||
2483 | bond_send_unsolicited_na(bond); | ||
2484 | read_unlock(&bond->curr_slave_lock); | ||
2485 | } | ||
2486 | |||
2466 | if (bond_miimon_inspect(bond)) { | 2487 | if (bond_miimon_inspect(bond)) { |
2467 | read_unlock(&bond->lock); | 2488 | read_unlock(&bond->lock); |
2468 | rtnl_lock(); | 2489 | rtnl_lock(); |
@@ -3158,6 +3179,12 @@ void bond_activebackup_arp_mon(struct work_struct *work) | |||
3158 | read_unlock(&bond->curr_slave_lock); | 3179 | read_unlock(&bond->curr_slave_lock); |
3159 | } | 3180 | } |
3160 | 3181 | ||
3182 | if (bond->send_unsol_na) { | ||
3183 | read_lock(&bond->curr_slave_lock); | ||
3184 | bond_send_unsolicited_na(bond); | ||
3185 | read_unlock(&bond->curr_slave_lock); | ||
3186 | } | ||
3187 | |||
3161 | if (bond_ab_arp_inspect(bond, delta_in_ticks)) { | 3188 | if (bond_ab_arp_inspect(bond, delta_in_ticks)) { |
3162 | read_unlock(&bond->lock); | 3189 | read_unlock(&bond->lock); |
3163 | rtnl_lock(); | 3190 | rtnl_lock(); |
@@ -3301,6 +3328,8 @@ static void bond_info_show_master(struct seq_file *seq) | |||
3301 | seq_puts(seq, "\n802.3ad info\n"); | 3328 | seq_puts(seq, "\n802.3ad info\n"); |
3302 | seq_printf(seq, "LACP rate: %s\n", | 3329 | seq_printf(seq, "LACP rate: %s\n", |
3303 | (bond->params.lacp_fast) ? "fast" : "slow"); | 3330 | (bond->params.lacp_fast) ? "fast" : "slow"); |
3331 | seq_printf(seq, "Aggregator selection policy (ad_select): %s\n", | ||
3332 | ad_select_tbl[bond->params.ad_select].modename); | ||
3304 | 3333 | ||
3305 | if (bond_3ad_get_active_agg_info(bond, &ad_info)) { | 3334 | if (bond_3ad_get_active_agg_info(bond, &ad_info)) { |
3306 | seq_printf(seq, "bond %s has no active aggregator\n", | 3335 | seq_printf(seq, "bond %s has no active aggregator\n", |
@@ -3807,6 +3836,7 @@ static int bond_open(struct net_device *bond_dev) | |||
3807 | queue_delayed_work(bond->wq, &bond->ad_work, 0); | 3836 | queue_delayed_work(bond->wq, &bond->ad_work, 0); |
3808 | /* register to receive LACPDUs */ | 3837 | /* register to receive LACPDUs */ |
3809 | bond_register_lacpdu(bond); | 3838 | bond_register_lacpdu(bond); |
3839 | bond_3ad_initiate_agg_selection(bond, 1); | ||
3810 | } | 3840 | } |
3811 | 3841 | ||
3812 | return 0; | 3842 | return 0; |
@@ -3827,6 +3857,7 @@ static int bond_close(struct net_device *bond_dev) | |||
3827 | write_lock_bh(&bond->lock); | 3857 | write_lock_bh(&bond->lock); |
3828 | 3858 | ||
3829 | bond->send_grat_arp = 0; | 3859 | bond->send_grat_arp = 0; |
3860 | bond->send_unsol_na = 0; | ||
3830 | 3861 | ||
3831 | /* signal timers not to re-arm */ | 3862 | /* signal timers not to re-arm */ |
3832 | bond->kill_timers = 1; | 3863 | bond->kill_timers = 1; |
@@ -4542,6 +4573,7 @@ static int bond_init(struct net_device *bond_dev, struct bond_params *params) | |||
4542 | bond->primary_slave = NULL; | 4573 | bond->primary_slave = NULL; |
4543 | bond->dev = bond_dev; | 4574 | bond->dev = bond_dev; |
4544 | bond->send_grat_arp = 0; | 4575 | bond->send_grat_arp = 0; |
4576 | bond->send_unsol_na = 0; | ||
4545 | bond->setup_by_slave = 0; | 4577 | bond->setup_by_slave = 0; |
4546 | INIT_LIST_HEAD(&bond->vlan_list); | 4578 | INIT_LIST_HEAD(&bond->vlan_list); |
4547 | 4579 | ||
@@ -4744,6 +4776,23 @@ static int bond_check_params(struct bond_params *params) | |||
4744 | } | 4776 | } |
4745 | } | 4777 | } |
4746 | 4778 | ||
4779 | if (ad_select) { | ||
4780 | params->ad_select = bond_parse_parm(ad_select, ad_select_tbl); | ||
4781 | if (params->ad_select == -1) { | ||
4782 | printk(KERN_ERR DRV_NAME | ||
4783 | ": Error: Invalid ad_select \"%s\"\n", | ||
4784 | ad_select == NULL ? "NULL" : ad_select); | ||
4785 | return -EINVAL; | ||
4786 | } | ||
4787 | |||
4788 | if (bond_mode != BOND_MODE_8023AD) { | ||
4789 | printk(KERN_WARNING DRV_NAME | ||
4790 | ": ad_select param only affects 802.3ad mode\n"); | ||
4791 | } | ||
4792 | } else { | ||
4793 | params->ad_select = BOND_AD_STABLE; | ||
4794 | } | ||
4795 | |||
4747 | if (max_bonds < 0 || max_bonds > INT_MAX) { | 4796 | if (max_bonds < 0 || max_bonds > INT_MAX) { |
4748 | printk(KERN_WARNING DRV_NAME | 4797 | printk(KERN_WARNING DRV_NAME |
4749 | ": Warning: max_bonds (%d) not in range %d-%d, so it " | 4798 | ": Warning: max_bonds (%d) not in range %d-%d, so it " |
@@ -4791,6 +4840,13 @@ static int bond_check_params(struct bond_params *params) | |||
4791 | num_grat_arp = 1; | 4840 | num_grat_arp = 1; |
4792 | } | 4841 | } |
4793 | 4842 | ||
4843 | if (num_unsol_na < 0 || num_unsol_na > 255) { | ||
4844 | printk(KERN_WARNING DRV_NAME | ||
4845 | ": Warning: num_unsol_na (%d) not in range 0-255 so it " | ||
4846 | "was reset to 1 \n", num_unsol_na); | ||
4847 | num_unsol_na = 1; | ||
4848 | } | ||
4849 | |||
4794 | /* reset values for 802.3ad */ | 4850 | /* reset values for 802.3ad */ |
4795 | if (bond_mode == BOND_MODE_8023AD) { | 4851 | if (bond_mode == BOND_MODE_8023AD) { |
4796 | if (!miimon) { | 4852 | if (!miimon) { |
@@ -4992,6 +5048,7 @@ static int bond_check_params(struct bond_params *params) | |||
4992 | params->xmit_policy = xmit_hashtype; | 5048 | params->xmit_policy = xmit_hashtype; |
4993 | params->miimon = miimon; | 5049 | params->miimon = miimon; |
4994 | params->num_grat_arp = num_grat_arp; | 5050 | params->num_grat_arp = num_grat_arp; |
5051 | params->num_unsol_na = num_unsol_na; | ||
4995 | params->arp_interval = arp_interval; | 5052 | params->arp_interval = arp_interval; |
4996 | params->arp_validate = arp_validate_value; | 5053 | params->arp_validate = arp_validate_value; |
4997 | params->updelay = updelay; | 5054 | params->updelay = updelay; |
@@ -5144,6 +5201,7 @@ static int __init bonding_init(void) | |||
5144 | 5201 | ||
5145 | register_netdevice_notifier(&bond_netdev_notifier); | 5202 | register_netdevice_notifier(&bond_netdev_notifier); |
5146 | register_inetaddr_notifier(&bond_inetaddr_notifier); | 5203 | register_inetaddr_notifier(&bond_inetaddr_notifier); |
5204 | bond_register_ipv6_notifier(); | ||
5147 | 5205 | ||
5148 | goto out; | 5206 | goto out; |
5149 | err: | 5207 | err: |
@@ -5166,6 +5224,7 @@ static void __exit bonding_exit(void) | |||
5166 | { | 5224 | { |
5167 | unregister_netdevice_notifier(&bond_netdev_notifier); | 5225 | unregister_netdevice_notifier(&bond_netdev_notifier); |
5168 | unregister_inetaddr_notifier(&bond_inetaddr_notifier); | 5226 | unregister_inetaddr_notifier(&bond_inetaddr_notifier); |
5227 | bond_unregister_ipv6_notifier(); | ||
5169 | 5228 | ||
5170 | bond_destroy_sysfs(); | 5229 | bond_destroy_sysfs(); |
5171 | 5230 | ||
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index e400d7dfdfc8..aaf2927b5c38 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c | |||
@@ -48,6 +48,7 @@ extern struct list_head bond_dev_list; | |||
48 | extern struct bond_params bonding_defaults; | 48 | extern struct bond_params bonding_defaults; |
49 | extern struct bond_parm_tbl bond_mode_tbl[]; | 49 | extern struct bond_parm_tbl bond_mode_tbl[]; |
50 | extern struct bond_parm_tbl bond_lacp_tbl[]; | 50 | extern struct bond_parm_tbl bond_lacp_tbl[]; |
51 | extern struct bond_parm_tbl ad_select_tbl[]; | ||
51 | extern struct bond_parm_tbl xmit_hashtype_tbl[]; | 52 | extern struct bond_parm_tbl xmit_hashtype_tbl[]; |
52 | extern struct bond_parm_tbl arp_validate_tbl[]; | 53 | extern struct bond_parm_tbl arp_validate_tbl[]; |
53 | extern struct bond_parm_tbl fail_over_mac_tbl[]; | 54 | extern struct bond_parm_tbl fail_over_mac_tbl[]; |
@@ -944,6 +945,53 @@ out: | |||
944 | } | 945 | } |
945 | static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, bonding_show_lacp, bonding_store_lacp); | 946 | static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, bonding_show_lacp, bonding_store_lacp); |
946 | 947 | ||
948 | static ssize_t bonding_show_ad_select(struct device *d, | ||
949 | struct device_attribute *attr, | ||
950 | char *buf) | ||
951 | { | ||
952 | struct bonding *bond = to_bond(d); | ||
953 | |||
954 | return sprintf(buf, "%s %d\n", | ||
955 | ad_select_tbl[bond->params.ad_select].modename, | ||
956 | bond->params.ad_select); | ||
957 | } | ||
958 | |||
959 | |||
960 | static ssize_t bonding_store_ad_select(struct device *d, | ||
961 | struct device_attribute *attr, | ||
962 | const char *buf, size_t count) | ||
963 | { | ||
964 | int new_value, ret = count; | ||
965 | struct bonding *bond = to_bond(d); | ||
966 | |||
967 | if (bond->dev->flags & IFF_UP) { | ||
968 | printk(KERN_ERR DRV_NAME | ||
969 | ": %s: Unable to update ad_select because interface " | ||
970 | "is up.\n", bond->dev->name); | ||
971 | ret = -EPERM; | ||
972 | goto out; | ||
973 | } | ||
974 | |||
975 | new_value = bond_parse_parm(buf, ad_select_tbl); | ||
976 | |||
977 | if (new_value != -1) { | ||
978 | bond->params.ad_select = new_value; | ||
979 | printk(KERN_INFO DRV_NAME | ||
980 | ": %s: Setting ad_select to %s (%d).\n", | ||
981 | bond->dev->name, ad_select_tbl[new_value].modename, | ||
982 | new_value); | ||
983 | } else { | ||
984 | printk(KERN_ERR DRV_NAME | ||
985 | ": %s: Ignoring invalid ad_select value %.*s.\n", | ||
986 | bond->dev->name, (int)strlen(buf) - 1, buf); | ||
987 | ret = -EINVAL; | ||
988 | } | ||
989 | out: | ||
990 | return ret; | ||
991 | } | ||
992 | |||
993 | static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR, bonding_show_ad_select, bonding_store_ad_select); | ||
994 | |||
947 | /* | 995 | /* |
948 | * Show and set the number of grat ARP to send after a failover event. | 996 | * Show and set the number of grat ARP to send after a failover event. |
949 | */ | 997 | */ |
@@ -983,6 +1031,47 @@ out: | |||
983 | return ret; | 1031 | return ret; |
984 | } | 1032 | } |
985 | static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, bonding_show_n_grat_arp, bonding_store_n_grat_arp); | 1033 | static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, bonding_show_n_grat_arp, bonding_store_n_grat_arp); |
1034 | |||
1035 | /* | ||
1036 | * Show and set the number of unsolicted NA's to send after a failover event. | ||
1037 | */ | ||
1038 | static ssize_t bonding_show_n_unsol_na(struct device *d, | ||
1039 | struct device_attribute *attr, | ||
1040 | char *buf) | ||
1041 | { | ||
1042 | struct bonding *bond = to_bond(d); | ||
1043 | |||
1044 | return sprintf(buf, "%d\n", bond->params.num_unsol_na); | ||
1045 | } | ||
1046 | |||
1047 | static ssize_t bonding_store_n_unsol_na(struct device *d, | ||
1048 | struct device_attribute *attr, | ||
1049 | const char *buf, size_t count) | ||
1050 | { | ||
1051 | int new_value, ret = count; | ||
1052 | struct bonding *bond = to_bond(d); | ||
1053 | |||
1054 | if (sscanf(buf, "%d", &new_value) != 1) { | ||
1055 | printk(KERN_ERR DRV_NAME | ||
1056 | ": %s: no num_unsol_na value specified.\n", | ||
1057 | bond->dev->name); | ||
1058 | ret = -EINVAL; | ||
1059 | goto out; | ||
1060 | } | ||
1061 | if (new_value < 0 || new_value > 255) { | ||
1062 | printk(KERN_ERR DRV_NAME | ||
1063 | ": %s: Invalid num_unsol_na value %d not in range 0-255; rejected.\n", | ||
1064 | bond->dev->name, new_value); | ||
1065 | ret = -EINVAL; | ||
1066 | goto out; | ||
1067 | } else { | ||
1068 | bond->params.num_unsol_na = new_value; | ||
1069 | } | ||
1070 | out: | ||
1071 | return ret; | ||
1072 | } | ||
1073 | static DEVICE_ATTR(num_unsol_na, S_IRUGO | S_IWUSR, bonding_show_n_unsol_na, bonding_store_n_unsol_na); | ||
1074 | |||
986 | /* | 1075 | /* |
987 | * Show and set the MII monitor interval. There are two tricky bits | 1076 | * Show and set the MII monitor interval. There are two tricky bits |
988 | * here. First, if MII monitoring is activated, then we must disable | 1077 | * here. First, if MII monitoring is activated, then we must disable |
@@ -1418,8 +1507,10 @@ static struct attribute *per_bond_attrs[] = { | |||
1418 | &dev_attr_downdelay.attr, | 1507 | &dev_attr_downdelay.attr, |
1419 | &dev_attr_updelay.attr, | 1508 | &dev_attr_updelay.attr, |
1420 | &dev_attr_lacp_rate.attr, | 1509 | &dev_attr_lacp_rate.attr, |
1510 | &dev_attr_ad_select.attr, | ||
1421 | &dev_attr_xmit_hash_policy.attr, | 1511 | &dev_attr_xmit_hash_policy.attr, |
1422 | &dev_attr_num_grat_arp.attr, | 1512 | &dev_attr_num_grat_arp.attr, |
1513 | &dev_attr_num_unsol_na.attr, | ||
1423 | &dev_attr_miimon.attr, | 1514 | &dev_attr_miimon.attr, |
1424 | &dev_attr_primary.attr, | 1515 | &dev_attr_primary.attr, |
1425 | &dev_attr_use_carrier.attr, | 1516 | &dev_attr_use_carrier.attr, |
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index ffb668dd6d3b..b5eb8e65b309 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h | |||
@@ -19,16 +19,19 @@ | |||
19 | #include <linux/proc_fs.h> | 19 | #include <linux/proc_fs.h> |
20 | #include <linux/if_bonding.h> | 20 | #include <linux/if_bonding.h> |
21 | #include <linux/kobject.h> | 21 | #include <linux/kobject.h> |
22 | #include <linux/in6.h> | ||
22 | #include "bond_3ad.h" | 23 | #include "bond_3ad.h" |
23 | #include "bond_alb.h" | 24 | #include "bond_alb.h" |
24 | 25 | ||
25 | #define DRV_VERSION "3.3.0" | 26 | #define DRV_VERSION "3.5.0" |
26 | #define DRV_RELDATE "June 10, 2008" | 27 | #define DRV_RELDATE "November 4, 2008" |
27 | #define DRV_NAME "bonding" | 28 | #define DRV_NAME "bonding" |
28 | #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" | 29 | #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" |
29 | 30 | ||
30 | #define BOND_MAX_ARP_TARGETS 16 | 31 | #define BOND_MAX_ARP_TARGETS 16 |
31 | 32 | ||
33 | extern struct list_head bond_dev_list; | ||
34 | |||
32 | #ifdef BONDING_DEBUG | 35 | #ifdef BONDING_DEBUG |
33 | #define dprintk(fmt, args...) \ | 36 | #define dprintk(fmt, args...) \ |
34 | printk(KERN_DEBUG \ | 37 | printk(KERN_DEBUG \ |
@@ -126,6 +129,7 @@ struct bond_params { | |||
126 | int xmit_policy; | 129 | int xmit_policy; |
127 | int miimon; | 130 | int miimon; |
128 | int num_grat_arp; | 131 | int num_grat_arp; |
132 | int num_unsol_na; | ||
129 | int arp_interval; | 133 | int arp_interval; |
130 | int arp_validate; | 134 | int arp_validate; |
131 | int use_carrier; | 135 | int use_carrier; |
@@ -133,6 +137,7 @@ struct bond_params { | |||
133 | int updelay; | 137 | int updelay; |
134 | int downdelay; | 138 | int downdelay; |
135 | int lacp_fast; | 139 | int lacp_fast; |
140 | int ad_select; | ||
136 | char primary[IFNAMSIZ]; | 141 | char primary[IFNAMSIZ]; |
137 | __be32 arp_targets[BOND_MAX_ARP_TARGETS]; | 142 | __be32 arp_targets[BOND_MAX_ARP_TARGETS]; |
138 | }; | 143 | }; |
@@ -148,6 +153,9 @@ struct vlan_entry { | |||
148 | struct list_head vlan_list; | 153 | struct list_head vlan_list; |
149 | __be32 vlan_ip; | 154 | __be32 vlan_ip; |
150 | unsigned short vlan_id; | 155 | unsigned short vlan_id; |
156 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | ||
157 | struct in6_addr vlan_ipv6; | ||
158 | #endif | ||
151 | }; | 159 | }; |
152 | 160 | ||
153 | struct slave { | 161 | struct slave { |
@@ -195,6 +203,7 @@ struct bonding { | |||
195 | rwlock_t curr_slave_lock; | 203 | rwlock_t curr_slave_lock; |
196 | s8 kill_timers; | 204 | s8 kill_timers; |
197 | s8 send_grat_arp; | 205 | s8 send_grat_arp; |
206 | s8 send_unsol_na; | ||
198 | s8 setup_by_slave; | 207 | s8 setup_by_slave; |
199 | struct net_device_stats stats; | 208 | struct net_device_stats stats; |
200 | #ifdef CONFIG_PROC_FS | 209 | #ifdef CONFIG_PROC_FS |
@@ -218,6 +227,9 @@ struct bonding { | |||
218 | struct delayed_work arp_work; | 227 | struct delayed_work arp_work; |
219 | struct delayed_work alb_work; | 228 | struct delayed_work alb_work; |
220 | struct delayed_work ad_work; | 229 | struct delayed_work ad_work; |
230 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | ||
231 | struct in6_addr master_ipv6; | ||
232 | #endif | ||
221 | }; | 233 | }; |
222 | 234 | ||
223 | /** | 235 | /** |
@@ -341,5 +353,24 @@ extern struct bond_parm_tbl xmit_hashtype_tbl[]; | |||
341 | extern struct bond_parm_tbl arp_validate_tbl[]; | 353 | extern struct bond_parm_tbl arp_validate_tbl[]; |
342 | extern struct bond_parm_tbl fail_over_mac_tbl[]; | 354 | extern struct bond_parm_tbl fail_over_mac_tbl[]; |
343 | 355 | ||
356 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | ||
357 | void bond_send_unsolicited_na(struct bonding *bond); | ||
358 | void bond_register_ipv6_notifier(void); | ||
359 | void bond_unregister_ipv6_notifier(void); | ||
360 | #else | ||
361 | static inline void bond_send_unsolicited_na(struct bonding *bond) | ||
362 | { | ||
363 | return; | ||
364 | } | ||
365 | static inline void bond_register_ipv6_notifier(void) | ||
366 | { | ||
367 | return; | ||
368 | } | ||
369 | static inline void bond_unregister_ipv6_notifier(void) | ||
370 | { | ||
371 | return; | ||
372 | } | ||
373 | #endif | ||
374 | |||
344 | #endif /* _LINUX_BONDING_H */ | 375 | #endif /* _LINUX_BONDING_H */ |
345 | 376 | ||
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 002d918fb4c7..9930d5f8b9e1 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h | |||
@@ -40,7 +40,7 @@ | |||
40 | #include <asm/io.h> | 40 | #include <asm/io.h> |
41 | 41 | ||
42 | #define DRV_NAME "ehea" | 42 | #define DRV_NAME "ehea" |
43 | #define DRV_VERSION "EHEA_0095" | 43 | #define DRV_VERSION "EHEA_0096" |
44 | 44 | ||
45 | /* eHEA capability flags */ | 45 | /* eHEA capability flags */ |
46 | #define DLPAR_PORT_ADD_REM 1 | 46 | #define DLPAR_PORT_ADD_REM 1 |
diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index 9d006878f045..3c0ec82f36fb 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c | |||
@@ -653,7 +653,7 @@ static int ehea_update_busmap(unsigned long pfn, unsigned long nr_pages, int add | |||
653 | int top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT); | 653 | int top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT); |
654 | int dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT); | 654 | int dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT); |
655 | int idx = i & EHEA_INDEX_MASK; | 655 | int idx = i & EHEA_INDEX_MASK; |
656 | 656 | ||
657 | if (add) { | 657 | if (add) { |
658 | int ret = ehea_init_bmap(ehea_bmap, top, dir); | 658 | int ret = ehea_init_bmap(ehea_bmap, top, dir); |
659 | if (ret) | 659 | if (ret) |
@@ -780,7 +780,7 @@ void ehea_destroy_busmap(void) | |||
780 | 780 | ||
781 | kfree(ehea_bmap); | 781 | kfree(ehea_bmap); |
782 | ehea_bmap = NULL; | 782 | ehea_bmap = NULL; |
783 | out_destroy: | 783 | out_destroy: |
784 | mutex_unlock(&ehea_busmap_mutex); | 784 | mutex_unlock(&ehea_busmap_mutex); |
785 | } | 785 | } |
786 | 786 | ||
@@ -858,10 +858,10 @@ static u64 ehea_reg_mr_sections(int top, int dir, u64 *pt, | |||
858 | for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) { | 858 | for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) { |
859 | if (!ehea_bmap->top[top]->dir[dir]->ent[idx]) | 859 | if (!ehea_bmap->top[top]->dir[dir]->ent[idx]) |
860 | continue; | 860 | continue; |
861 | 861 | ||
862 | hret = ehea_reg_mr_section(top, dir, idx, pt, adapter, mr); | 862 | hret = ehea_reg_mr_section(top, dir, idx, pt, adapter, mr); |
863 | if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) | 863 | if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) |
864 | return hret; | 864 | return hret; |
865 | } | 865 | } |
866 | return hret; | 866 | return hret; |
867 | } | 867 | } |
@@ -879,7 +879,7 @@ static u64 ehea_reg_mr_dir_sections(int top, u64 *pt, | |||
879 | 879 | ||
880 | hret = ehea_reg_mr_sections(top, dir, pt, adapter, mr); | 880 | hret = ehea_reg_mr_sections(top, dir, pt, adapter, mr); |
881 | if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) | 881 | if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) |
882 | return hret; | 882 | return hret; |
883 | } | 883 | } |
884 | return hret; | 884 | return hret; |
885 | } | 885 | } |
diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index e4f8fe3c5dae..69dcfbbabe82 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c | |||
@@ -125,6 +125,7 @@ typedef struct local_info_t { | |||
125 | u_short tx_queue_len; | 125 | u_short tx_queue_len; |
126 | cardtype_t cardtype; | 126 | cardtype_t cardtype; |
127 | u_short sent; | 127 | u_short sent; |
128 | u_char __iomem *base; | ||
128 | } local_info_t; | 129 | } local_info_t; |
129 | 130 | ||
130 | #define MC_FILTERBREAK 64 | 131 | #define MC_FILTERBREAK 64 |
@@ -242,6 +243,7 @@ static int fmvj18x_probe(struct pcmcia_device *link) | |||
242 | lp = netdev_priv(dev); | 243 | lp = netdev_priv(dev); |
243 | link->priv = dev; | 244 | link->priv = dev; |
244 | lp->p_dev = link; | 245 | lp->p_dev = link; |
246 | lp->base = NULL; | ||
245 | 247 | ||
246 | /* The io structure describes IO port mapping */ | 248 | /* The io structure describes IO port mapping */ |
247 | link->io.NumPorts1 = 32; | 249 | link->io.NumPorts1 = 32; |
@@ -442,8 +444,10 @@ static int fmvj18x_config(struct pcmcia_device *link) | |||
442 | dev->irq = link->irq.AssignedIRQ; | 444 | dev->irq = link->irq.AssignedIRQ; |
443 | dev->base_addr = link->io.BasePort1; | 445 | dev->base_addr = link->io.BasePort1; |
444 | 446 | ||
445 | if (link->io.BasePort2 != 0) | 447 | if (link->io.BasePort2 != 0) { |
446 | fmvj18x_setup_mfc(link); | 448 | ret = fmvj18x_setup_mfc(link); |
449 | if (ret != 0) goto failed; | ||
450 | } | ||
447 | 451 | ||
448 | ioaddr = dev->base_addr; | 452 | ioaddr = dev->base_addr; |
449 | 453 | ||
@@ -610,10 +614,10 @@ static int fmvj18x_setup_mfc(struct pcmcia_device *link) | |||
610 | { | 614 | { |
611 | win_req_t req; | 615 | win_req_t req; |
612 | memreq_t mem; | 616 | memreq_t mem; |
613 | u_char __iomem *base; | 617 | int i; |
614 | int i, j; | ||
615 | struct net_device *dev = link->priv; | 618 | struct net_device *dev = link->priv; |
616 | unsigned int ioaddr; | 619 | unsigned int ioaddr; |
620 | local_info_t *lp = netdev_priv(dev); | ||
617 | 621 | ||
618 | /* Allocate a small memory window */ | 622 | /* Allocate a small memory window */ |
619 | req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; | 623 | req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; |
@@ -625,25 +629,32 @@ static int fmvj18x_setup_mfc(struct pcmcia_device *link) | |||
625 | return -1; | 629 | return -1; |
626 | } | 630 | } |
627 | 631 | ||
628 | base = ioremap(req.Base, req.Size); | 632 | lp->base = ioremap(req.Base, req.Size); |
633 | if (lp->base == NULL) { | ||
634 | printk(KERN_NOTICE "fmvj18x_cs: ioremap failed\n"); | ||
635 | return -1; | ||
636 | } | ||
637 | |||
629 | mem.Page = 0; | 638 | mem.Page = 0; |
630 | mem.CardOffset = 0; | 639 | mem.CardOffset = 0; |
631 | pcmcia_map_mem_page(link->win, &mem); | 640 | i = pcmcia_map_mem_page(link->win, &mem); |
632 | 641 | if (i != 0) { | |
642 | iounmap(lp->base); | ||
643 | lp->base = NULL; | ||
644 | cs_error(link, MapMemPage, i); | ||
645 | return -1; | ||
646 | } | ||
647 | |||
633 | ioaddr = dev->base_addr; | 648 | ioaddr = dev->base_addr; |
634 | writeb(0x47, base+0x800); /* Config Option Register of LAN */ | 649 | writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */ |
635 | writeb(0x0, base+0x802); /* Config and Status Register */ | 650 | writeb(0x0, lp->base+0x802); /* Config and Status Register */ |
636 | 651 | ||
637 | writeb(ioaddr & 0xff, base+0x80a); /* I/O Base(Low) of LAN */ | 652 | writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */ |
638 | writeb((ioaddr >> 8) & 0xff, base+0x80c); /* I/O Base(High) of LAN */ | 653 | writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */ |
639 | 654 | ||
640 | writeb(0x45, base+0x820); /* Config Option Register of Modem */ | 655 | writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */ |
641 | writeb(0x8, base+0x822); /* Config and Status Register */ | 656 | writeb(0x8, lp->base+0x822); /* Config and Status Register */ |
642 | 657 | ||
643 | iounmap(base); | ||
644 | j = pcmcia_release_window(link->win); | ||
645 | if (j != 0) | ||
646 | cs_error(link, ReleaseWindow, j); | ||
647 | return 0; | 658 | return 0; |
648 | 659 | ||
649 | } | 660 | } |
@@ -651,8 +662,25 @@ static int fmvj18x_setup_mfc(struct pcmcia_device *link) | |||
651 | 662 | ||
652 | static void fmvj18x_release(struct pcmcia_device *link) | 663 | static void fmvj18x_release(struct pcmcia_device *link) |
653 | { | 664 | { |
654 | DEBUG(0, "fmvj18x_release(0x%p)\n", link); | 665 | |
655 | pcmcia_disable_device(link); | 666 | struct net_device *dev = link->priv; |
667 | local_info_t *lp = netdev_priv(dev); | ||
668 | u_char __iomem *tmp; | ||
669 | int j; | ||
670 | |||
671 | DEBUG(0, "fmvj18x_release(0x%p)\n", link); | ||
672 | |||
673 | if (lp->base != NULL) { | ||
674 | tmp = lp->base; | ||
675 | lp->base = NULL; /* set NULL before iounmap */ | ||
676 | iounmap(tmp); | ||
677 | j = pcmcia_release_window(link->win); | ||
678 | if (j != 0) | ||
679 | cs_error(link, ReleaseWindow, j); | ||
680 | } | ||
681 | |||
682 | pcmcia_disable_device(link); | ||
683 | |||
656 | } | 684 | } |
657 | 685 | ||
658 | static int fmvj18x_suspend(struct pcmcia_device *link) | 686 | static int fmvj18x_suspend(struct pcmcia_device *link) |
@@ -783,6 +811,13 @@ static irqreturn_t fjn_interrupt(int dummy, void *dev_id) | |||
783 | 811 | ||
784 | outb(D_TX_INTR, ioaddr + TX_INTR); | 812 | outb(D_TX_INTR, ioaddr + TX_INTR); |
785 | outb(D_RX_INTR, ioaddr + RX_INTR); | 813 | outb(D_RX_INTR, ioaddr + RX_INTR); |
814 | |||
815 | if (lp->base != NULL) { | ||
816 | /* Ack interrupt for multifunction card */ | ||
817 | writeb(0x01, lp->base+0x802); | ||
818 | writeb(0x09, lp->base+0x822); | ||
819 | } | ||
820 | |||
786 | return IRQ_HANDLED; | 821 | return IRQ_HANDLED; |
787 | 822 | ||
788 | } /* fjn_interrupt */ | 823 | } /* fjn_interrupt */ |
diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index 73baa7a3bb0e..c05d38d46350 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c | |||
@@ -126,6 +126,27 @@ static struct phy_driver lan8700_driver = { | |||
126 | .driver = { .owner = THIS_MODULE, } | 126 | .driver = { .owner = THIS_MODULE, } |
127 | }; | 127 | }; |
128 | 128 | ||
129 | static struct phy_driver lan911x_int_driver = { | ||
130 | .phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */ | ||
131 | .phy_id_mask = 0xfffffff0, | ||
132 | .name = "SMSC LAN911x Internal PHY", | ||
133 | |||
134 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | ||
135 | | SUPPORTED_Asym_Pause), | ||
136 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | ||
137 | |||
138 | /* basic functions */ | ||
139 | .config_aneg = genphy_config_aneg, | ||
140 | .read_status = genphy_read_status, | ||
141 | .config_init = smsc_phy_config_init, | ||
142 | |||
143 | /* IRQ related */ | ||
144 | .ack_interrupt = smsc_phy_ack_interrupt, | ||
145 | .config_intr = smsc_phy_config_intr, | ||
146 | |||
147 | .driver = { .owner = THIS_MODULE, } | ||
148 | }; | ||
149 | |||
129 | static int __init smsc_init(void) | 150 | static int __init smsc_init(void) |
130 | { | 151 | { |
131 | int ret; | 152 | int ret; |
@@ -142,8 +163,14 @@ static int __init smsc_init(void) | |||
142 | if (ret) | 163 | if (ret) |
143 | goto err3; | 164 | goto err3; |
144 | 165 | ||
166 | ret = phy_driver_register (&lan911x_int_driver); | ||
167 | if (ret) | ||
168 | goto err4; | ||
169 | |||
145 | return 0; | 170 | return 0; |
146 | 171 | ||
172 | err4: | ||
173 | phy_driver_unregister (&lan8700_driver); | ||
147 | err3: | 174 | err3: |
148 | phy_driver_unregister (&lan8187_driver); | 175 | phy_driver_unregister (&lan8187_driver); |
149 | err2: | 176 | err2: |
@@ -154,6 +181,7 @@ err1: | |||
154 | 181 | ||
155 | static void __exit smsc_exit(void) | 182 | static void __exit smsc_exit(void) |
156 | { | 183 | { |
184 | phy_driver_unregister (&lan911x_int_driver); | ||
157 | phy_driver_unregister (&lan8700_driver); | 185 | phy_driver_unregister (&lan8700_driver); |
158 | phy_driver_unregister (&lan8187_driver); | 186 | phy_driver_unregister (&lan8187_driver); |
159 | phy_driver_unregister (&lan83c185_driver); | 187 | phy_driver_unregister (&lan83c185_driver); |
diff --git a/drivers/net/sfc/Kconfig b/drivers/net/sfc/Kconfig index 3be13b592b4d..3e25fb38f739 100644 --- a/drivers/net/sfc/Kconfig +++ b/drivers/net/sfc/Kconfig | |||
@@ -12,3 +12,11 @@ config SFC | |||
12 | 12 | ||
13 | To compile this driver as a module, choose M here. The module | 13 | To compile this driver as a module, choose M here. The module |
14 | will be called sfc. | 14 | will be called sfc. |
15 | config SFC_MTD | ||
16 | bool "Solarflare Solarstorm SFC4000 flash MTD support" | ||
17 | depends on SFC && MTD | ||
18 | default y | ||
19 | help | ||
20 | This exposes the on-board flash memory as an MTD device (e.g. | ||
21 | /dev/mtd1). This makes it possible to upload new boot code | ||
22 | to the NIC. | ||
diff --git a/drivers/net/sfc/Makefile b/drivers/net/sfc/Makefile index c8f5704c8fb1..e507daa4f0e8 100644 --- a/drivers/net/sfc/Makefile +++ b/drivers/net/sfc/Makefile | |||
@@ -1,5 +1,6 @@ | |||
1 | sfc-y += efx.o falcon.o tx.o rx.o falcon_xmac.o \ | 1 | sfc-y += efx.o falcon.o tx.o rx.o falcon_xmac.o \ |
2 | selftest.o ethtool.o xfp_phy.o \ | 2 | selftest.o ethtool.o xfp_phy.o \ |
3 | mdio_10g.o tenxpress.o boards.o sfe4001.o | 3 | mdio_10g.o tenxpress.o boards.o sfe4001.o |
4 | sfc-$(CONFIG_SFC_MTD) += mtd.o | ||
4 | 5 | ||
5 | obj-$(CONFIG_SFC) += sfc.o | 6 | obj-$(CONFIG_SFC) += sfc.o |
diff --git a/drivers/net/sfc/boards.c b/drivers/net/sfc/boards.c index 99e602373269..edf026280bec 100644 --- a/drivers/net/sfc/boards.c +++ b/drivers/net/sfc/boards.c | |||
@@ -11,6 +11,7 @@ | |||
11 | #include "phy.h" | 11 | #include "phy.h" |
12 | #include "boards.h" | 12 | #include "boards.h" |
13 | #include "efx.h" | 13 | #include "efx.h" |
14 | #include "workarounds.h" | ||
14 | 15 | ||
15 | /* Macros for unpacking the board revision */ | 16 | /* Macros for unpacking the board revision */ |
16 | /* The revision info is in host byte order. */ | 17 | /* The revision info is in host byte order. */ |
@@ -52,9 +53,128 @@ static void board_blink(struct efx_nic *efx, bool blink) | |||
52 | } | 53 | } |
53 | 54 | ||
54 | /***************************************************************************** | 55 | /***************************************************************************** |
56 | * Support for LM87 sensor chip used on several boards | ||
57 | */ | ||
58 | #define LM87_REG_ALARMS1 0x41 | ||
59 | #define LM87_REG_ALARMS2 0x42 | ||
60 | #define LM87_IN_LIMITS(nr, _min, _max) \ | ||
61 | 0x2B + (nr) * 2, _max, 0x2C + (nr) * 2, _min | ||
62 | #define LM87_AIN_LIMITS(nr, _min, _max) \ | ||
63 | 0x3B + (nr), _max, 0x1A + (nr), _min | ||
64 | #define LM87_TEMP_INT_LIMITS(_min, _max) \ | ||
65 | 0x39, _max, 0x3A, _min | ||
66 | #define LM87_TEMP_EXT1_LIMITS(_min, _max) \ | ||
67 | 0x37, _max, 0x38, _min | ||
68 | |||
69 | #define LM87_ALARM_TEMP_INT 0x10 | ||
70 | #define LM87_ALARM_TEMP_EXT1 0x20 | ||
71 | |||
72 | #if defined(CONFIG_SENSORS_LM87) || defined(CONFIG_SENSORS_LM87_MODULE) | ||
73 | |||
74 | static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info, | ||
75 | const u8 *reg_values) | ||
76 | { | ||
77 | struct i2c_client *client = i2c_new_device(&efx->i2c_adap, info); | ||
78 | int rc; | ||
79 | |||
80 | if (!client) | ||
81 | return -EIO; | ||
82 | |||
83 | while (*reg_values) { | ||
84 | u8 reg = *reg_values++; | ||
85 | u8 value = *reg_values++; | ||
86 | rc = i2c_smbus_write_byte_data(client, reg, value); | ||
87 | if (rc) | ||
88 | goto err; | ||
89 | } | ||
90 | |||
91 | efx->board_info.hwmon_client = client; | ||
92 | return 0; | ||
93 | |||
94 | err: | ||
95 | i2c_unregister_device(client); | ||
96 | return rc; | ||
97 | } | ||
98 | |||
99 | static void efx_fini_lm87(struct efx_nic *efx) | ||
100 | { | ||
101 | i2c_unregister_device(efx->board_info.hwmon_client); | ||
102 | } | ||
103 | |||
104 | static int efx_check_lm87(struct efx_nic *efx, unsigned mask) | ||
105 | { | ||
106 | struct i2c_client *client = efx->board_info.hwmon_client; | ||
107 | s32 alarms1, alarms2; | ||
108 | |||
109 | /* If link is up then do not monitor temperature */ | ||
110 | if (EFX_WORKAROUND_7884(efx) && efx->link_up) | ||
111 | return 0; | ||
112 | |||
113 | alarms1 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1); | ||
114 | alarms2 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS2); | ||
115 | if (alarms1 < 0) | ||
116 | return alarms1; | ||
117 | if (alarms2 < 0) | ||
118 | return alarms2; | ||
119 | alarms1 &= mask; | ||
120 | alarms2 &= mask >> 8; | ||
121 | if (alarms1 || alarms2) { | ||
122 | EFX_ERR(efx, | ||
123 | "LM87 detected a hardware failure (status %02x:%02x)" | ||
124 | "%s%s\n", | ||
125 | alarms1, alarms2, | ||
126 | (alarms1 & LM87_ALARM_TEMP_INT) ? " INTERNAL" : "", | ||
127 | (alarms1 & LM87_ALARM_TEMP_EXT1) ? " EXTERNAL" : ""); | ||
128 | return -ERANGE; | ||
129 | } | ||
130 | |||
131 | return 0; | ||
132 | } | ||
133 | |||
134 | #else /* !CONFIG_SENSORS_LM87 */ | ||
135 | |||
136 | static inline int | ||
137 | efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info, | ||
138 | const u8 *reg_values) | ||
139 | { | ||
140 | return 0; | ||
141 | } | ||
142 | static inline void efx_fini_lm87(struct efx_nic *efx) | ||
143 | { | ||
144 | } | ||
145 | static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask) | ||
146 | { | ||
147 | return 0; | ||
148 | } | ||
149 | |||
150 | #endif /* CONFIG_SENSORS_LM87 */ | ||
151 | |||
152 | /***************************************************************************** | ||
55 | * Support for the SFE4002 | 153 | * Support for the SFE4002 |
56 | * | 154 | * |
57 | */ | 155 | */ |
156 | static u8 sfe4002_lm87_channel = 0x03; /* use AIN not FAN inputs */ | ||
157 | |||
158 | static const u8 sfe4002_lm87_regs[] = { | ||
159 | LM87_IN_LIMITS(0, 0x83, 0x91), /* 2.5V: 1.8V +/- 5% */ | ||
160 | LM87_IN_LIMITS(1, 0x51, 0x5a), /* Vccp1: 1.2V +/- 5% */ | ||
161 | LM87_IN_LIMITS(2, 0xb6, 0xca), /* 3.3V: 3.3V +/- 5% */ | ||
162 | LM87_IN_LIMITS(3, 0xb0, 0xc9), /* 5V: 4.6-5.2V */ | ||
163 | LM87_IN_LIMITS(4, 0xb0, 0xe0), /* 12V: 11-14V */ | ||
164 | LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 5% */ | ||
165 | LM87_AIN_LIMITS(0, 0xa0, 0xb2), /* AIN1: 1.66V +/- 5% */ | ||
166 | LM87_AIN_LIMITS(1, 0x91, 0xa1), /* AIN2: 1.5V +/- 5% */ | ||
167 | LM87_TEMP_INT_LIMITS(10, 60), /* board */ | ||
168 | LM87_TEMP_EXT1_LIMITS(10, 70), /* Falcon */ | ||
169 | 0 | ||
170 | }; | ||
171 | |||
172 | static struct i2c_board_info sfe4002_hwmon_info = { | ||
173 | I2C_BOARD_INFO("lm87", 0x2e), | ||
174 | .platform_data = &sfe4002_lm87_channel, | ||
175 | .irq = -1, | ||
176 | }; | ||
177 | |||
58 | /****************************************************************************/ | 178 | /****************************************************************************/ |
59 | /* LED allocations. Note that on rev A0 boards the schematic and the reality | 179 | /* LED allocations. Note that on rev A0 boards the schematic and the reality |
60 | * differ: red and green are swapped. Below is the fixed (A1) layout (there | 180 | * differ: red and green are swapped. Below is the fixed (A1) layout (there |
@@ -84,11 +204,27 @@ static void sfe4002_fault_led(struct efx_nic *efx, bool state) | |||
84 | QUAKE_LED_OFF); | 204 | QUAKE_LED_OFF); |
85 | } | 205 | } |
86 | 206 | ||
207 | static int sfe4002_check_hw(struct efx_nic *efx) | ||
208 | { | ||
209 | /* A0 board rev. 4002s report a temperature fault the whole time | ||
210 | * (bad sensor) so we mask it out. */ | ||
211 | unsigned alarm_mask = | ||
212 | (efx->board_info.major == 0 && efx->board_info.minor == 0) ? | ||
213 | ~LM87_ALARM_TEMP_EXT1 : ~0; | ||
214 | |||
215 | return efx_check_lm87(efx, alarm_mask); | ||
216 | } | ||
217 | |||
87 | static int sfe4002_init(struct efx_nic *efx) | 218 | static int sfe4002_init(struct efx_nic *efx) |
88 | { | 219 | { |
220 | int rc = efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs); | ||
221 | if (rc) | ||
222 | return rc; | ||
223 | efx->board_info.monitor = sfe4002_check_hw; | ||
89 | efx->board_info.init_leds = sfe4002_init_leds; | 224 | efx->board_info.init_leds = sfe4002_init_leds; |
90 | efx->board_info.set_fault_led = sfe4002_fault_led; | 225 | efx->board_info.set_fault_led = sfe4002_fault_led; |
91 | efx->board_info.blink = board_blink; | 226 | efx->board_info.blink = board_blink; |
227 | efx->board_info.fini = efx_fini_lm87; | ||
92 | return 0; | 228 | return 0; |
93 | } | 229 | } |
94 | 230 | ||
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 5b05789f0b79..ac7bdbf3fd4a 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c | |||
@@ -77,11 +77,6 @@ static int napi_weight = 64; | |||
77 | */ | 77 | */ |
78 | unsigned int efx_monitor_interval = 1 * HZ; | 78 | unsigned int efx_monitor_interval = 1 * HZ; |
79 | 79 | ||
80 | /* This controls whether or not the hardware monitor will trigger a | ||
81 | * reset when it detects an error condition. | ||
82 | */ | ||
83 | static unsigned int monitor_reset = true; | ||
84 | |||
85 | /* This controls whether or not the driver will initialise devices | 80 | /* This controls whether or not the driver will initialise devices |
86 | * with invalid MAC addresses stored in the EEPROM or flash. If true, | 81 | * with invalid MAC addresses stored in the EEPROM or flash. If true, |
87 | * such devices will be initialised with a random locally-generated | 82 | * such devices will be initialised with a random locally-generated |
@@ -1176,17 +1171,6 @@ static void efx_monitor(struct work_struct *data) | |||
1176 | rc = falcon_check_xmac(efx); | 1171 | rc = falcon_check_xmac(efx); |
1177 | mutex_unlock(&efx->mac_lock); | 1172 | mutex_unlock(&efx->mac_lock); |
1178 | 1173 | ||
1179 | if (rc) { | ||
1180 | if (monitor_reset) { | ||
1181 | EFX_ERR(efx, "hardware monitor detected a fault: " | ||
1182 | "triggering reset\n"); | ||
1183 | efx_schedule_reset(efx, RESET_TYPE_MONITOR); | ||
1184 | } else { | ||
1185 | EFX_ERR(efx, "hardware monitor detected a fault, " | ||
1186 | "skipping reset\n"); | ||
1187 | } | ||
1188 | } | ||
1189 | |||
1190 | queue_delayed_work(efx->workqueue, &efx->monitor_work, | 1174 | queue_delayed_work(efx->workqueue, &efx->monitor_work, |
1191 | efx_monitor_interval); | 1175 | efx_monitor_interval); |
1192 | } | 1176 | } |
@@ -1358,12 +1342,11 @@ static void efx_watchdog(struct net_device *net_dev) | |||
1358 | { | 1342 | { |
1359 | struct efx_nic *efx = netdev_priv(net_dev); | 1343 | struct efx_nic *efx = netdev_priv(net_dev); |
1360 | 1344 | ||
1361 | EFX_ERR(efx, "TX stuck with stop_count=%d port_enabled=%d: %s\n", | 1345 | EFX_ERR(efx, "TX stuck with stop_count=%d port_enabled=%d:" |
1362 | atomic_read(&efx->netif_stop_count), efx->port_enabled, | 1346 | " resetting channels\n", |
1363 | monitor_reset ? "resetting channels" : "skipping reset"); | 1347 | atomic_read(&efx->netif_stop_count), efx->port_enabled); |
1364 | 1348 | ||
1365 | if (monitor_reset) | 1349 | efx_schedule_reset(efx, RESET_TYPE_TX_WATCHDOG); |
1366 | efx_schedule_reset(efx, RESET_TYPE_MONITOR); | ||
1367 | } | 1350 | } |
1368 | 1351 | ||
1369 | 1352 | ||
@@ -1459,6 +1442,7 @@ static int efx_netdev_event(struct notifier_block *this, | |||
1459 | struct efx_nic *efx = netdev_priv(net_dev); | 1442 | struct efx_nic *efx = netdev_priv(net_dev); |
1460 | 1443 | ||
1461 | strcpy(efx->name, net_dev->name); | 1444 | strcpy(efx->name, net_dev->name); |
1445 | efx_mtd_rename(efx); | ||
1462 | } | 1446 | } |
1463 | 1447 | ||
1464 | return NOTIFY_DONE; | 1448 | return NOTIFY_DONE; |
@@ -1550,6 +1534,7 @@ void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd) | |||
1550 | 1534 | ||
1551 | efx_stop_all(efx); | 1535 | efx_stop_all(efx); |
1552 | mutex_lock(&efx->mac_lock); | 1536 | mutex_lock(&efx->mac_lock); |
1537 | mutex_lock(&efx->spi_lock); | ||
1553 | 1538 | ||
1554 | rc = falcon_xmac_get_settings(efx, ecmd); | 1539 | rc = falcon_xmac_get_settings(efx, ecmd); |
1555 | if (rc) | 1540 | if (rc) |
@@ -1582,6 +1567,7 @@ int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok) | |||
1582 | EFX_ERR(efx, "could not restore PHY settings\n"); | 1567 | EFX_ERR(efx, "could not restore PHY settings\n"); |
1583 | } | 1568 | } |
1584 | 1569 | ||
1570 | mutex_unlock(&efx->spi_lock); | ||
1585 | mutex_unlock(&efx->mac_lock); | 1571 | mutex_unlock(&efx->mac_lock); |
1586 | 1572 | ||
1587 | if (ok) { | 1573 | if (ok) { |
@@ -1777,6 +1763,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type, | |||
1777 | memset(efx, 0, sizeof(*efx)); | 1763 | memset(efx, 0, sizeof(*efx)); |
1778 | spin_lock_init(&efx->biu_lock); | 1764 | spin_lock_init(&efx->biu_lock); |
1779 | spin_lock_init(&efx->phy_lock); | 1765 | spin_lock_init(&efx->phy_lock); |
1766 | mutex_init(&efx->spi_lock); | ||
1780 | INIT_WORK(&efx->reset_work, efx_reset_work); | 1767 | INIT_WORK(&efx->reset_work, efx_reset_work); |
1781 | INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor); | 1768 | INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor); |
1782 | efx->pci_dev = pci_dev; | 1769 | efx->pci_dev = pci_dev; |
@@ -1911,6 +1898,8 @@ static void efx_pci_remove(struct pci_dev *pci_dev) | |||
1911 | if (!efx) | 1898 | if (!efx) |
1912 | return; | 1899 | return; |
1913 | 1900 | ||
1901 | efx_mtd_remove(efx); | ||
1902 | |||
1914 | /* Mark the NIC as fini, then stop the interface */ | 1903 | /* Mark the NIC as fini, then stop the interface */ |
1915 | rtnl_lock(); | 1904 | rtnl_lock(); |
1916 | efx->state = STATE_FINI; | 1905 | efx->state = STATE_FINI; |
@@ -2077,6 +2066,7 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev, | |||
2077 | 2066 | ||
2078 | EFX_LOG(efx, "initialisation successful\n"); | 2067 | EFX_LOG(efx, "initialisation successful\n"); |
2079 | 2068 | ||
2069 | efx_mtd_probe(efx); /* allowed to fail */ | ||
2080 | return 0; | 2070 | return 0; |
2081 | 2071 | ||
2082 | fail5: | 2072 | fail5: |
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h index d02937b70eee..dd0d45b9e71f 100644 --- a/drivers/net/sfc/efx.h +++ b/drivers/net/sfc/efx.h | |||
@@ -58,6 +58,16 @@ extern int efx_port_dummy_op_int(struct efx_nic *efx); | |||
58 | extern void efx_port_dummy_op_void(struct efx_nic *efx); | 58 | extern void efx_port_dummy_op_void(struct efx_nic *efx); |
59 | extern void efx_port_dummy_op_blink(struct efx_nic *efx, bool blink); | 59 | extern void efx_port_dummy_op_blink(struct efx_nic *efx, bool blink); |
60 | 60 | ||
61 | /* MTD */ | ||
62 | #ifdef CONFIG_SFC_MTD | ||
63 | extern int efx_mtd_probe(struct efx_nic *efx); | ||
64 | extern void efx_mtd_rename(struct efx_nic *efx); | ||
65 | extern void efx_mtd_remove(struct efx_nic *efx); | ||
66 | #else | ||
67 | static inline int efx_mtd_probe(struct efx_nic *efx) { return 0; } | ||
68 | static inline void efx_mtd_rename(struct efx_nic *efx) {} | ||
69 | static inline void efx_mtd_remove(struct efx_nic *efx) {} | ||
70 | #endif | ||
61 | 71 | ||
62 | extern unsigned int efx_monitor_interval; | 72 | extern unsigned int efx_monitor_interval; |
63 | 73 | ||
diff --git a/drivers/net/sfc/enum.h b/drivers/net/sfc/enum.h index cec15dbb88e4..41e758e8fdb1 100644 --- a/drivers/net/sfc/enum.h +++ b/drivers/net/sfc/enum.h | |||
@@ -72,7 +72,7 @@ extern const char *efx_loopback_mode_names[]; | |||
72 | * @RESET_TYPE_ALL: reset everything but PCI core blocks | 72 | * @RESET_TYPE_ALL: reset everything but PCI core blocks |
73 | * @RESET_TYPE_WORLD: reset everything, save & restore PCI config | 73 | * @RESET_TYPE_WORLD: reset everything, save & restore PCI config |
74 | * @RESET_TYPE_DISABLE: disable NIC | 74 | * @RESET_TYPE_DISABLE: disable NIC |
75 | * @RESET_TYPE_MONITOR: reset due to hardware monitor | 75 | * @RESET_TYPE_TX_WATCHDOG: reset due to TX watchdog |
76 | * @RESET_TYPE_INT_ERROR: reset due to internal error | 76 | * @RESET_TYPE_INT_ERROR: reset due to internal error |
77 | * @RESET_TYPE_RX_RECOVERY: reset to recover from RX datapath errors | 77 | * @RESET_TYPE_RX_RECOVERY: reset to recover from RX datapath errors |
78 | * @RESET_TYPE_RX_DESC_FETCH: pcie error during rx descriptor fetch | 78 | * @RESET_TYPE_RX_DESC_FETCH: pcie error during rx descriptor fetch |
@@ -86,7 +86,7 @@ enum reset_type { | |||
86 | RESET_TYPE_WORLD = 2, | 86 | RESET_TYPE_WORLD = 2, |
87 | RESET_TYPE_DISABLE = 3, | 87 | RESET_TYPE_DISABLE = 3, |
88 | RESET_TYPE_MAX_METHOD, | 88 | RESET_TYPE_MAX_METHOD, |
89 | RESET_TYPE_MONITOR, | 89 | RESET_TYPE_TX_WATCHDOG, |
90 | RESET_TYPE_INT_ERROR, | 90 | RESET_TYPE_INT_ERROR, |
91 | RESET_TYPE_RX_RECOVERY, | 91 | RESET_TYPE_RX_RECOVERY, |
92 | RESET_TYPE_RX_DESC_FETCH, | 92 | RESET_TYPE_RX_DESC_FETCH, |
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c index fa98af58223e..abd8fcd6e62d 100644 --- a/drivers/net/sfc/ethtool.c +++ b/drivers/net/sfc/ethtool.c | |||
@@ -172,10 +172,7 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = { | |||
172 | /* Number of ethtool statistics */ | 172 | /* Number of ethtool statistics */ |
173 | #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats) | 173 | #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats) |
174 | 174 | ||
175 | /* EEPROM range with gPXE configuration */ | ||
176 | #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB | 175 | #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB |
177 | #define EFX_ETHTOOL_EEPROM_MIN 0x100U | ||
178 | #define EFX_ETHTOOL_EEPROM_MAX 0x400U | ||
179 | 176 | ||
180 | /************************************************************************** | 177 | /************************************************************************** |
181 | * | 178 | * |
@@ -545,8 +542,8 @@ static int efx_ethtool_get_eeprom_len(struct net_device *net_dev) | |||
545 | 542 | ||
546 | if (!spi) | 543 | if (!spi) |
547 | return 0; | 544 | return 0; |
548 | return min(spi->size, EFX_ETHTOOL_EEPROM_MAX) - | 545 | return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) - |
549 | min(spi->size, EFX_ETHTOOL_EEPROM_MIN); | 546 | min(spi->size, EFX_EEPROM_BOOTCONFIG_START); |
550 | } | 547 | } |
551 | 548 | ||
552 | static int efx_ethtool_get_eeprom(struct net_device *net_dev, | 549 | static int efx_ethtool_get_eeprom(struct net_device *net_dev, |
@@ -557,8 +554,10 @@ static int efx_ethtool_get_eeprom(struct net_device *net_dev, | |||
557 | size_t len; | 554 | size_t len; |
558 | int rc; | 555 | int rc; |
559 | 556 | ||
560 | rc = falcon_spi_read(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN, | 557 | mutex_lock(&efx->spi_lock); |
558 | rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, | ||
561 | eeprom->len, &len, buf); | 559 | eeprom->len, &len, buf); |
560 | mutex_unlock(&efx->spi_lock); | ||
562 | eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC; | 561 | eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC; |
563 | eeprom->len = len; | 562 | eeprom->len = len; |
564 | return rc; | 563 | return rc; |
@@ -575,8 +574,10 @@ static int efx_ethtool_set_eeprom(struct net_device *net_dev, | |||
575 | if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) | 574 | if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) |
576 | return -EINVAL; | 575 | return -EINVAL; |
577 | 576 | ||
578 | rc = falcon_spi_write(spi, eeprom->offset + EFX_ETHTOOL_EEPROM_MIN, | 577 | mutex_lock(&efx->spi_lock); |
578 | rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, | ||
579 | eeprom->len, &len, buf); | 579 | eeprom->len, &len, buf); |
580 | mutex_unlock(&efx->spi_lock); | ||
580 | eeprom->len = len; | 581 | eeprom->len = len; |
581 | return rc; | 582 | return rc; |
582 | } | 583 | } |
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 31ed1f49de00..71e0bed60616 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c | |||
@@ -1628,9 +1628,9 @@ static int falcon_spi_wait(struct efx_nic *efx) | |||
1628 | } | 1628 | } |
1629 | } | 1629 | } |
1630 | 1630 | ||
1631 | static int falcon_spi_cmd(const struct efx_spi_device *spi, | 1631 | int falcon_spi_cmd(const struct efx_spi_device *spi, |
1632 | unsigned int command, int address, | 1632 | unsigned int command, int address, |
1633 | const void *in, void *out, unsigned int len) | 1633 | const void *in, void *out, unsigned int len) |
1634 | { | 1634 | { |
1635 | struct efx_nic *efx = spi->efx; | 1635 | struct efx_nic *efx = spi->efx; |
1636 | bool addressed = (address >= 0); | 1636 | bool addressed = (address >= 0); |
@@ -1641,6 +1641,7 @@ static int falcon_spi_cmd(const struct efx_spi_device *spi, | |||
1641 | /* Input validation */ | 1641 | /* Input validation */ |
1642 | if (len > FALCON_SPI_MAX_LEN) | 1642 | if (len > FALCON_SPI_MAX_LEN) |
1643 | return -EINVAL; | 1643 | return -EINVAL; |
1644 | BUG_ON(!mutex_is_locked(&efx->spi_lock)); | ||
1644 | 1645 | ||
1645 | /* Check SPI not currently being accessed */ | 1646 | /* Check SPI not currently being accessed */ |
1646 | rc = falcon_spi_wait(efx); | 1647 | rc = falcon_spi_wait(efx); |
@@ -1699,8 +1700,7 @@ efx_spi_munge_command(const struct efx_spi_device *spi, | |||
1699 | return command | (((address >> 8) & spi->munge_address) << 3); | 1700 | return command | (((address >> 8) & spi->munge_address) << 3); |
1700 | } | 1701 | } |
1701 | 1702 | ||
1702 | 1703 | int falcon_spi_fast_wait(const struct efx_spi_device *spi) | |
1703 | static int falcon_spi_fast_wait(const struct efx_spi_device *spi) | ||
1704 | { | 1704 | { |
1705 | u8 status; | 1705 | u8 status; |
1706 | int i, rc; | 1706 | int i, rc; |
@@ -2253,13 +2253,15 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out) | |||
2253 | __le16 *word, *limit; | 2253 | __le16 *word, *limit; |
2254 | u32 csum; | 2254 | u32 csum; |
2255 | 2255 | ||
2256 | region = kmalloc(NVCONFIG_END, GFP_KERNEL); | 2256 | region = kmalloc(FALCON_NVCONFIG_END, GFP_KERNEL); |
2257 | if (!region) | 2257 | if (!region) |
2258 | return -ENOMEM; | 2258 | return -ENOMEM; |
2259 | nvconfig = region + NVCONFIG_OFFSET; | 2259 | nvconfig = region + NVCONFIG_OFFSET; |
2260 | 2260 | ||
2261 | spi = efx->spi_flash ? efx->spi_flash : efx->spi_eeprom; | 2261 | spi = efx->spi_flash ? efx->spi_flash : efx->spi_eeprom; |
2262 | rc = falcon_spi_read(spi, 0, NVCONFIG_END, NULL, region); | 2262 | mutex_lock(&efx->spi_lock); |
2263 | rc = falcon_spi_read(spi, 0, FALCON_NVCONFIG_END, NULL, region); | ||
2264 | mutex_unlock(&efx->spi_lock); | ||
2263 | if (rc) { | 2265 | if (rc) { |
2264 | EFX_ERR(efx, "Failed to read %s\n", | 2266 | EFX_ERR(efx, "Failed to read %s\n", |
2265 | efx->spi_flash ? "flash" : "EEPROM"); | 2267 | efx->spi_flash ? "flash" : "EEPROM"); |
@@ -2283,7 +2285,7 @@ int falcon_read_nvram(struct efx_nic *efx, struct falcon_nvconfig *nvconfig_out) | |||
2283 | limit = (__le16 *) (nvconfig + 1); | 2285 | limit = (__le16 *) (nvconfig + 1); |
2284 | } else { | 2286 | } else { |
2285 | word = region; | 2287 | word = region; |
2286 | limit = region + NVCONFIG_END; | 2288 | limit = region + FALCON_NVCONFIG_END; |
2287 | } | 2289 | } |
2288 | for (csum = 0; word < limit; ++word) | 2290 | for (csum = 0; word < limit; ++word) |
2289 | csum += le16_to_cpu(*word); | 2291 | csum += le16_to_cpu(*word); |
@@ -2555,6 +2557,11 @@ static int falcon_spi_device_init(struct efx_nic *efx, | |||
2555 | SPI_DEV_TYPE_FIELD(device_type, SPI_DEV_TYPE_ADDR_LEN); | 2557 | SPI_DEV_TYPE_FIELD(device_type, SPI_DEV_TYPE_ADDR_LEN); |
2556 | spi_device->munge_address = (spi_device->size == 1 << 9 && | 2558 | spi_device->munge_address = (spi_device->size == 1 << 9 && |
2557 | spi_device->addr_len == 1); | 2559 | spi_device->addr_len == 1); |
2560 | spi_device->erase_command = | ||
2561 | SPI_DEV_TYPE_FIELD(device_type, SPI_DEV_TYPE_ERASE_CMD); | ||
2562 | spi_device->erase_size = | ||
2563 | 1 << SPI_DEV_TYPE_FIELD(device_type, | ||
2564 | SPI_DEV_TYPE_ERASE_SIZE); | ||
2558 | spi_device->block_size = | 2565 | spi_device->block_size = |
2559 | 1 << SPI_DEV_TYPE_FIELD(device_type, | 2566 | 1 << SPI_DEV_TYPE_FIELD(device_type, |
2560 | SPI_DEV_TYPE_BLOCK_SIZE); | 2567 | SPI_DEV_TYPE_BLOCK_SIZE); |
diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h index 5d584b0dbb51..040e70ed4ec7 100644 --- a/drivers/net/sfc/falcon_hwdefs.h +++ b/drivers/net/sfc/falcon_hwdefs.h | |||
@@ -1150,7 +1150,6 @@ struct falcon_nvconfig_board_v3 { | |||
1150 | (((type) >> EFX_LOW_BIT(field)) & EFX_MASK32(EFX_WIDTH(field))) | 1150 | (((type) >> EFX_LOW_BIT(field)) & EFX_MASK32(EFX_WIDTH(field))) |
1151 | 1151 | ||
1152 | #define NVCONFIG_OFFSET 0x300 | 1152 | #define NVCONFIG_OFFSET 0x300 |
1153 | #define NVCONFIG_END 0x400 | ||
1154 | 1153 | ||
1155 | #define NVCONFIG_BOARD_MAGIC_NUM 0xFA1C | 1154 | #define NVCONFIG_BOARD_MAGIC_NUM 0xFA1C |
1156 | struct falcon_nvconfig { | 1155 | struct falcon_nvconfig { |
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c index 003e48dcb2f3..19e25210b687 100644 --- a/drivers/net/sfc/mdio_10g.c +++ b/drivers/net/sfc/mdio_10g.c | |||
@@ -260,6 +260,41 @@ void mdio_clause45_phy_reconfigure(struct efx_nic *efx) | |||
260 | MDIO_MMDREG_CTRL1, ctrl2); | 260 | MDIO_MMDREG_CTRL1, ctrl2); |
261 | } | 261 | } |
262 | 262 | ||
263 | static void mdio_clause45_set_mmd_lpower(struct efx_nic *efx, | ||
264 | int lpower, int mmd) | ||
265 | { | ||
266 | int phy = efx->mii.phy_id; | ||
267 | int stat = mdio_clause45_read(efx, phy, mmd, MDIO_MMDREG_STAT1); | ||
268 | int ctrl1, ctrl2; | ||
269 | |||
270 | EFX_TRACE(efx, "Setting low power mode for MMD %d to %d\n", | ||
271 | mmd, lpower); | ||
272 | |||
273 | if (stat & (1 << MDIO_MMDREG_STAT1_LPABLE_LBN)) { | ||
274 | ctrl1 = ctrl2 = mdio_clause45_read(efx, phy, | ||
275 | mmd, MDIO_MMDREG_CTRL1); | ||
276 | if (lpower) | ||
277 | ctrl2 |= (1 << MDIO_MMDREG_CTRL1_LPOWER_LBN); | ||
278 | else | ||
279 | ctrl2 &= ~(1 << MDIO_MMDREG_CTRL1_LPOWER_LBN); | ||
280 | if (ctrl1 != ctrl2) | ||
281 | mdio_clause45_write(efx, phy, mmd, | ||
282 | MDIO_MMDREG_CTRL1, ctrl2); | ||
283 | } | ||
284 | } | ||
285 | |||
286 | void mdio_clause45_set_mmds_lpower(struct efx_nic *efx, | ||
287 | int low_power, unsigned int mmd_mask) | ||
288 | { | ||
289 | int mmd = 0; | ||
290 | while (mmd_mask) { | ||
291 | if (mmd_mask & 1) | ||
292 | mdio_clause45_set_mmd_lpower(efx, low_power, mmd); | ||
293 | mmd_mask = (mmd_mask >> 1); | ||
294 | mmd++; | ||
295 | } | ||
296 | } | ||
297 | |||
263 | /** | 298 | /** |
264 | * mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO. | 299 | * mdio_clause45_get_settings - Read (some of) the PHY settings over MDIO. |
265 | * @efx: Efx NIC | 300 | * @efx: Efx NIC |
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h index 19c42eaf7fb4..db9f358349c6 100644 --- a/drivers/net/sfc/mdio_10g.h +++ b/drivers/net/sfc/mdio_10g.h | |||
@@ -54,6 +54,9 @@ | |||
54 | /* Loopback bit for WIS, PCS, PHYSX and DTEXS */ | 54 | /* Loopback bit for WIS, PCS, PHYSX and DTEXS */ |
55 | #define MDIO_MMDREG_CTRL1_LBACK_LBN (14) | 55 | #define MDIO_MMDREG_CTRL1_LBACK_LBN (14) |
56 | #define MDIO_MMDREG_CTRL1_LBACK_WIDTH (1) | 56 | #define MDIO_MMDREG_CTRL1_LBACK_WIDTH (1) |
57 | /* Low power */ | ||
58 | #define MDIO_MMDREG_CTRL1_LPOWER_LBN (11) | ||
59 | #define MDIO_MMDREG_CTRL1_LPOWER_WIDTH (1) | ||
57 | 60 | ||
58 | /* Bits in MMDREG_STAT1 */ | 61 | /* Bits in MMDREG_STAT1 */ |
59 | #define MDIO_MMDREG_STAT1_FAULT_LBN (7) | 62 | #define MDIO_MMDREG_STAT1_FAULT_LBN (7) |
@@ -240,6 +243,10 @@ extern void mdio_clause45_transmit_disable(struct efx_nic *efx); | |||
240 | /* Generic part of reconfigure: set/clear loopback bits */ | 243 | /* Generic part of reconfigure: set/clear loopback bits */ |
241 | extern void mdio_clause45_phy_reconfigure(struct efx_nic *efx); | 244 | extern void mdio_clause45_phy_reconfigure(struct efx_nic *efx); |
242 | 245 | ||
246 | /* Set the power state of the specified MMDs */ | ||
247 | extern void mdio_clause45_set_mmds_lpower(struct efx_nic *efx, | ||
248 | int low_power, unsigned int mmd_mask); | ||
249 | |||
243 | /* Read (some of) the PHY settings over MDIO */ | 250 | /* Read (some of) the PHY settings over MDIO */ |
244 | extern void mdio_clause45_get_settings(struct efx_nic *efx, | 251 | extern void mdio_clause45_get_settings(struct efx_nic *efx, |
245 | struct ethtool_cmd *ecmd); | 252 | struct ethtool_cmd *ecmd); |
diff --git a/drivers/net/sfc/mtd.c b/drivers/net/sfc/mtd.c new file mode 100644 index 000000000000..a1e6c2875fc0 --- /dev/null +++ b/drivers/net/sfc/mtd.c | |||
@@ -0,0 +1,268 @@ | |||
1 | /**************************************************************************** | ||
2 | * Driver for Solarflare Solarstorm network controllers and boards | ||
3 | * Copyright 2005-2006 Fen Systems Ltd. | ||
4 | * Copyright 2006-2008 Solarflare Communications Inc. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms of the GNU General Public License version 2 as published | ||
8 | * by the Free Software Foundation, incorporated herein by reference. | ||
9 | */ | ||
10 | |||
11 | #include <linux/module.h> | ||
12 | #include <linux/mtd/mtd.h> | ||
13 | #include <linux/delay.h> | ||
14 | |||
15 | #define EFX_DRIVER_NAME "sfc_mtd" | ||
16 | #include "net_driver.h" | ||
17 | #include "spi.h" | ||
18 | |||
19 | #define EFX_SPI_VERIFY_BUF_LEN 16 | ||
20 | |||
21 | struct efx_mtd { | ||
22 | const struct efx_spi_device *spi; | ||
23 | struct mtd_info mtd; | ||
24 | char name[IFNAMSIZ + 20]; | ||
25 | }; | ||
26 | |||
27 | /* SPI utilities */ | ||
28 | |||
29 | static int efx_spi_slow_wait(struct efx_mtd *efx_mtd, bool uninterruptible) | ||
30 | { | ||
31 | const struct efx_spi_device *spi = efx_mtd->spi; | ||
32 | struct efx_nic *efx = spi->efx; | ||
33 | u8 status; | ||
34 | int rc, i; | ||
35 | |||
36 | /* Wait up to 4s for flash/EEPROM to finish a slow operation. */ | ||
37 | for (i = 0; i < 40; i++) { | ||
38 | __set_current_state(uninterruptible ? | ||
39 | TASK_UNINTERRUPTIBLE : TASK_INTERRUPTIBLE); | ||
40 | schedule_timeout(HZ / 10); | ||
41 | rc = falcon_spi_cmd(spi, SPI_RDSR, -1, NULL, | ||
42 | &status, sizeof(status)); | ||
43 | if (rc) | ||
44 | return rc; | ||
45 | if (!(status & SPI_STATUS_NRDY)) | ||
46 | return 0; | ||
47 | if (signal_pending(current)) | ||
48 | return -EINTR; | ||
49 | } | ||
50 | EFX_ERR(efx, "timed out waiting for %s\n", efx_mtd->name); | ||
51 | return -ETIMEDOUT; | ||
52 | } | ||
53 | |||
54 | static int efx_spi_unlock(const struct efx_spi_device *spi) | ||
55 | { | ||
56 | const u8 unlock_mask = (SPI_STATUS_BP2 | SPI_STATUS_BP1 | | ||
57 | SPI_STATUS_BP0); | ||
58 | u8 status; | ||
59 | int rc; | ||
60 | |||
61 | rc = falcon_spi_cmd(spi, SPI_RDSR, -1, NULL, &status, sizeof(status)); | ||
62 | if (rc) | ||
63 | return rc; | ||
64 | |||
65 | if (!(status & unlock_mask)) | ||
66 | return 0; /* already unlocked */ | ||
67 | |||
68 | rc = falcon_spi_cmd(spi, SPI_WREN, -1, NULL, NULL, 0); | ||
69 | if (rc) | ||
70 | return rc; | ||
71 | rc = falcon_spi_cmd(spi, SPI_SST_EWSR, -1, NULL, NULL, 0); | ||
72 | if (rc) | ||
73 | return rc; | ||
74 | |||
75 | status &= ~unlock_mask; | ||
76 | rc = falcon_spi_cmd(spi, SPI_WRSR, -1, &status, NULL, sizeof(status)); | ||
77 | if (rc) | ||
78 | return rc; | ||
79 | rc = falcon_spi_fast_wait(spi); | ||
80 | if (rc) | ||
81 | return rc; | ||
82 | |||
83 | return 0; | ||
84 | } | ||
85 | |||
86 | static int efx_spi_erase(struct efx_mtd *efx_mtd, loff_t start, size_t len) | ||
87 | { | ||
88 | const struct efx_spi_device *spi = efx_mtd->spi; | ||
89 | unsigned pos, block_len; | ||
90 | u8 empty[EFX_SPI_VERIFY_BUF_LEN]; | ||
91 | u8 buffer[EFX_SPI_VERIFY_BUF_LEN]; | ||
92 | int rc; | ||
93 | |||
94 | if (len != spi->erase_size) | ||
95 | return -EINVAL; | ||
96 | |||
97 | if (spi->erase_command == 0) | ||
98 | return -EOPNOTSUPP; | ||
99 | |||
100 | rc = efx_spi_unlock(spi); | ||
101 | if (rc) | ||
102 | return rc; | ||
103 | rc = falcon_spi_cmd(spi, SPI_WREN, -1, NULL, NULL, 0); | ||
104 | if (rc) | ||
105 | return rc; | ||
106 | rc = falcon_spi_cmd(spi, spi->erase_command, start, NULL, NULL, 0); | ||
107 | if (rc) | ||
108 | return rc; | ||
109 | rc = efx_spi_slow_wait(efx_mtd, false); | ||
110 | |||
111 | /* Verify the entire region has been wiped */ | ||
112 | memset(empty, 0xff, sizeof(empty)); | ||
113 | for (pos = 0; pos < len; pos += block_len) { | ||
114 | block_len = min(len - pos, sizeof(buffer)); | ||
115 | rc = falcon_spi_read(spi, start + pos, block_len, NULL, buffer); | ||
116 | if (rc) | ||
117 | return rc; | ||
118 | if (memcmp(empty, buffer, block_len)) | ||
119 | return -EIO; | ||
120 | |||
121 | /* Avoid locking up the system */ | ||
122 | cond_resched(); | ||
123 | if (signal_pending(current)) | ||
124 | return -EINTR; | ||
125 | } | ||
126 | |||
127 | return rc; | ||
128 | } | ||
129 | |||
130 | /* MTD interface */ | ||
131 | |||
132 | static int efx_mtd_read(struct mtd_info *mtd, loff_t start, size_t len, | ||
133 | size_t *retlen, u8 *buffer) | ||
134 | { | ||
135 | struct efx_mtd *efx_mtd = mtd->priv; | ||
136 | const struct efx_spi_device *spi = efx_mtd->spi; | ||
137 | struct efx_nic *efx = spi->efx; | ||
138 | int rc; | ||
139 | |||
140 | rc = mutex_lock_interruptible(&efx->spi_lock); | ||
141 | if (rc) | ||
142 | return rc; | ||
143 | rc = falcon_spi_read(spi, FALCON_FLASH_BOOTCODE_START + start, | ||
144 | len, retlen, buffer); | ||
145 | mutex_unlock(&efx->spi_lock); | ||
146 | return rc; | ||
147 | } | ||
148 | |||
149 | static int efx_mtd_erase(struct mtd_info *mtd, struct erase_info *erase) | ||
150 | { | ||
151 | struct efx_mtd *efx_mtd = mtd->priv; | ||
152 | struct efx_nic *efx = efx_mtd->spi->efx; | ||
153 | int rc; | ||
154 | |||
155 | rc = mutex_lock_interruptible(&efx->spi_lock); | ||
156 | if (rc) | ||
157 | return rc; | ||
158 | rc = efx_spi_erase(efx_mtd, FALCON_FLASH_BOOTCODE_START + erase->addr, | ||
159 | erase->len); | ||
160 | mutex_unlock(&efx->spi_lock); | ||
161 | |||
162 | if (rc == 0) { | ||
163 | erase->state = MTD_ERASE_DONE; | ||
164 | } else { | ||
165 | erase->state = MTD_ERASE_FAILED; | ||
166 | erase->fail_addr = 0xffffffff; | ||
167 | } | ||
168 | mtd_erase_callback(erase); | ||
169 | return rc; | ||
170 | } | ||
171 | |||
172 | static int efx_mtd_write(struct mtd_info *mtd, loff_t start, | ||
173 | size_t len, size_t *retlen, const u8 *buffer) | ||
174 | { | ||
175 | struct efx_mtd *efx_mtd = mtd->priv; | ||
176 | const struct efx_spi_device *spi = efx_mtd->spi; | ||
177 | struct efx_nic *efx = spi->efx; | ||
178 | int rc; | ||
179 | |||
180 | rc = mutex_lock_interruptible(&efx->spi_lock); | ||
181 | if (rc) | ||
182 | return rc; | ||
183 | rc = falcon_spi_write(spi, FALCON_FLASH_BOOTCODE_START + start, | ||
184 | len, retlen, buffer); | ||
185 | mutex_unlock(&efx->spi_lock); | ||
186 | return rc; | ||
187 | } | ||
188 | |||
189 | static void efx_mtd_sync(struct mtd_info *mtd) | ||
190 | { | ||
191 | struct efx_mtd *efx_mtd = mtd->priv; | ||
192 | struct efx_nic *efx = efx_mtd->spi->efx; | ||
193 | int rc; | ||
194 | |||
195 | mutex_lock(&efx->spi_lock); | ||
196 | rc = efx_spi_slow_wait(efx_mtd, true); | ||
197 | mutex_unlock(&efx->spi_lock); | ||
198 | |||
199 | if (rc) | ||
200 | EFX_ERR(efx, "%s sync failed (%d)\n", efx_mtd->name, rc); | ||
201 | return; | ||
202 | } | ||
203 | |||
204 | void efx_mtd_remove(struct efx_nic *efx) | ||
205 | { | ||
206 | if (efx->spi_flash && efx->spi_flash->mtd) { | ||
207 | struct efx_mtd *efx_mtd = efx->spi_flash->mtd; | ||
208 | int rc; | ||
209 | |||
210 | for (;;) { | ||
211 | rc = del_mtd_device(&efx_mtd->mtd); | ||
212 | if (rc != -EBUSY) | ||
213 | break; | ||
214 | ssleep(1); | ||
215 | } | ||
216 | WARN_ON(rc); | ||
217 | kfree(efx_mtd); | ||
218 | } | ||
219 | } | ||
220 | |||
221 | void efx_mtd_rename(struct efx_nic *efx) | ||
222 | { | ||
223 | if (efx->spi_flash && efx->spi_flash->mtd) { | ||
224 | struct efx_mtd *efx_mtd = efx->spi_flash->mtd; | ||
225 | snprintf(efx_mtd->name, sizeof(efx_mtd->name), | ||
226 | "%s sfc_flash_bootrom", efx->name); | ||
227 | } | ||
228 | } | ||
229 | |||
230 | int efx_mtd_probe(struct efx_nic *efx) | ||
231 | { | ||
232 | struct efx_spi_device *spi = efx->spi_flash; | ||
233 | struct efx_mtd *efx_mtd; | ||
234 | |||
235 | if (!spi || spi->size <= FALCON_FLASH_BOOTCODE_START) | ||
236 | return -ENODEV; | ||
237 | |||
238 | efx_mtd = kzalloc(sizeof(*efx_mtd), GFP_KERNEL); | ||
239 | if (!efx_mtd) | ||
240 | return -ENOMEM; | ||
241 | |||
242 | efx_mtd->spi = spi; | ||
243 | spi->mtd = efx_mtd; | ||
244 | |||
245 | efx_mtd->mtd.type = MTD_NORFLASH; | ||
246 | efx_mtd->mtd.flags = MTD_CAP_NORFLASH; | ||
247 | efx_mtd->mtd.size = spi->size - FALCON_FLASH_BOOTCODE_START; | ||
248 | efx_mtd->mtd.erasesize = spi->erase_size; | ||
249 | efx_mtd->mtd.writesize = 1; | ||
250 | efx_mtd_rename(efx); | ||
251 | |||
252 | efx_mtd->mtd.owner = THIS_MODULE; | ||
253 | efx_mtd->mtd.priv = efx_mtd; | ||
254 | efx_mtd->mtd.name = efx_mtd->name; | ||
255 | efx_mtd->mtd.erase = efx_mtd_erase; | ||
256 | efx_mtd->mtd.read = efx_mtd_read; | ||
257 | efx_mtd->mtd.write = efx_mtd_write; | ||
258 | efx_mtd->mtd.sync = efx_mtd_sync; | ||
259 | |||
260 | if (add_mtd_device(&efx_mtd->mtd)) { | ||
261 | kfree(efx_mtd); | ||
262 | spi->mtd = NULL; | ||
263 | /* add_mtd_device() returns 1 if the MTD table is full */ | ||
264 | return -ENOMEM; | ||
265 | } | ||
266 | |||
267 | return 0; | ||
268 | } | ||
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index cdb11fad6050..e596c9a6a4c4 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h | |||
@@ -414,6 +414,7 @@ struct efx_blinker { | |||
414 | * @init_leds: Sets up board LEDs | 414 | * @init_leds: Sets up board LEDs |
415 | * @set_fault_led: Turns the fault LED on or off | 415 | * @set_fault_led: Turns the fault LED on or off |
416 | * @blink: Starts/stops blinking | 416 | * @blink: Starts/stops blinking |
417 | * @monitor: Board-specific health check function | ||
417 | * @fini: Cleanup function | 418 | * @fini: Cleanup function |
418 | * @blinker: used to blink LEDs in software | 419 | * @blinker: used to blink LEDs in software |
419 | * @hwmon_client: I2C client for hardware monitor | 420 | * @hwmon_client: I2C client for hardware monitor |
@@ -428,6 +429,7 @@ struct efx_board { | |||
428 | * have a separate init callback that happens later than | 429 | * have a separate init callback that happens later than |
429 | * board init. */ | 430 | * board init. */ |
430 | int (*init_leds)(struct efx_nic *efx); | 431 | int (*init_leds)(struct efx_nic *efx); |
432 | int (*monitor) (struct efx_nic *nic); | ||
431 | void (*set_fault_led) (struct efx_nic *efx, bool state); | 433 | void (*set_fault_led) (struct efx_nic *efx, bool state); |
432 | void (*blink) (struct efx_nic *efx, bool start); | 434 | void (*blink) (struct efx_nic *efx, bool start); |
433 | void (*fini) (struct efx_nic *nic); | 435 | void (*fini) (struct efx_nic *nic); |
@@ -525,11 +527,15 @@ struct efx_phy_operations { | |||
525 | * @enum efx_phy_mode - PHY operating mode flags | 527 | * @enum efx_phy_mode - PHY operating mode flags |
526 | * @PHY_MODE_NORMAL: on and should pass traffic | 528 | * @PHY_MODE_NORMAL: on and should pass traffic |
527 | * @PHY_MODE_TX_DISABLED: on with TX disabled | 529 | * @PHY_MODE_TX_DISABLED: on with TX disabled |
530 | * @PHY_MODE_LOW_POWER: set to low power through MDIO | ||
531 | * @PHY_MODE_OFF: switched off through external control | ||
528 | * @PHY_MODE_SPECIAL: on but will not pass traffic | 532 | * @PHY_MODE_SPECIAL: on but will not pass traffic |
529 | */ | 533 | */ |
530 | enum efx_phy_mode { | 534 | enum efx_phy_mode { |
531 | PHY_MODE_NORMAL = 0, | 535 | PHY_MODE_NORMAL = 0, |
532 | PHY_MODE_TX_DISABLED = 1, | 536 | PHY_MODE_TX_DISABLED = 1, |
537 | PHY_MODE_LOW_POWER = 2, | ||
538 | PHY_MODE_OFF = 4, | ||
533 | PHY_MODE_SPECIAL = 8, | 539 | PHY_MODE_SPECIAL = 8, |
534 | }; | 540 | }; |
535 | 541 | ||
@@ -655,6 +661,7 @@ union efx_multicast_hash { | |||
655 | * This field will be %NULL if no flash device is present. | 661 | * This field will be %NULL if no flash device is present. |
656 | * @spi_eeprom: SPI EEPROM device | 662 | * @spi_eeprom: SPI EEPROM device |
657 | * This field will be %NULL if no EEPROM device is present. | 663 | * This field will be %NULL if no EEPROM device is present. |
664 | * @spi_lock: SPI bus lock | ||
658 | * @n_rx_nodesc_drop_cnt: RX no descriptor drop count | 665 | * @n_rx_nodesc_drop_cnt: RX no descriptor drop count |
659 | * @nic_data: Hardware dependant state | 666 | * @nic_data: Hardware dependant state |
660 | * @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode, | 667 | * @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode, |
@@ -731,6 +738,7 @@ struct efx_nic { | |||
731 | 738 | ||
732 | struct efx_spi_device *spi_flash; | 739 | struct efx_spi_device *spi_flash; |
733 | struct efx_spi_device *spi_eeprom; | 740 | struct efx_spi_device *spi_eeprom; |
741 | struct mutex spi_lock; | ||
734 | 742 | ||
735 | unsigned n_rx_nodesc_drop_cnt; | 743 | unsigned n_rx_nodesc_drop_cnt; |
736 | 744 | ||
diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c index fe4e3fd22330..aa576c559ec8 100644 --- a/drivers/net/sfc/sfe4001.c +++ b/drivers/net/sfc/sfe4001.c | |||
@@ -21,6 +21,7 @@ | |||
21 | #include "falcon_hwdefs.h" | 21 | #include "falcon_hwdefs.h" |
22 | #include "falcon_io.h" | 22 | #include "falcon_io.h" |
23 | #include "mac.h" | 23 | #include "mac.h" |
24 | #include "workarounds.h" | ||
24 | 25 | ||
25 | /************************************************************************** | 26 | /************************************************************************** |
26 | * | 27 | * |
@@ -65,48 +66,9 @@ | |||
65 | #define P1_SPARE_LBN 4 | 66 | #define P1_SPARE_LBN 4 |
66 | #define P1_SPARE_WIDTH 4 | 67 | #define P1_SPARE_WIDTH 4 |
67 | 68 | ||
68 | 69 | /* Temperature Sensor */ | |
69 | /************************************************************************** | 70 | #define MAX664X_REG_RSL 0x02 |
70 | * | 71 | #define MAX664X_REG_WLHO 0x0B |
71 | * Temperature Sensor | ||
72 | * | ||
73 | **************************************************************************/ | ||
74 | #define MAX6647 0x4e | ||
75 | |||
76 | #define RLTS 0x00 | ||
77 | #define RLTE 0x01 | ||
78 | #define RSL 0x02 | ||
79 | #define RCL 0x03 | ||
80 | #define RCRA 0x04 | ||
81 | #define RLHN 0x05 | ||
82 | #define RLLI 0x06 | ||
83 | #define RRHI 0x07 | ||
84 | #define RRLS 0x08 | ||
85 | #define WCRW 0x0a | ||
86 | #define WLHO 0x0b | ||
87 | #define WRHA 0x0c | ||
88 | #define WRLN 0x0e | ||
89 | #define OSHT 0x0f | ||
90 | #define REET 0x10 | ||
91 | #define RIET 0x11 | ||
92 | #define RWOE 0x19 | ||
93 | #define RWOI 0x20 | ||
94 | #define HYS 0x21 | ||
95 | #define QUEUE 0x22 | ||
96 | #define MFID 0xfe | ||
97 | #define REVID 0xff | ||
98 | |||
99 | /* Status bits */ | ||
100 | #define MAX6647_BUSY (1 << 7) /* ADC is converting */ | ||
101 | #define MAX6647_LHIGH (1 << 6) /* Local high temp. alarm */ | ||
102 | #define MAX6647_LLOW (1 << 5) /* Local low temp. alarm */ | ||
103 | #define MAX6647_RHIGH (1 << 4) /* Remote high temp. alarm */ | ||
104 | #define MAX6647_RLOW (1 << 3) /* Remote low temp. alarm */ | ||
105 | #define MAX6647_FAULT (1 << 2) /* DXN/DXP short/open circuit */ | ||
106 | #define MAX6647_EOT (1 << 1) /* Remote junction overtemp. */ | ||
107 | #define MAX6647_IOT (1 << 0) /* Local junction overtemp. */ | ||
108 | |||
109 | static const u8 xgphy_max_temperature = 90; | ||
110 | 72 | ||
111 | static void sfe4001_poweroff(struct efx_nic *efx) | 73 | static void sfe4001_poweroff(struct efx_nic *efx) |
112 | { | 74 | { |
@@ -119,7 +81,7 @@ static void sfe4001_poweroff(struct efx_nic *efx) | |||
119 | i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0xff); | 81 | i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0xff); |
120 | 82 | ||
121 | /* Clear any over-temperature alert */ | 83 | /* Clear any over-temperature alert */ |
122 | i2c_smbus_read_byte_data(hwmon_client, RSL); | 84 | i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL); |
123 | } | 85 | } |
124 | 86 | ||
125 | static int sfe4001_poweron(struct efx_nic *efx) | 87 | static int sfe4001_poweron(struct efx_nic *efx) |
@@ -131,7 +93,7 @@ static int sfe4001_poweron(struct efx_nic *efx) | |||
131 | u8 out; | 93 | u8 out; |
132 | 94 | ||
133 | /* Clear any previous over-temperature alert */ | 95 | /* Clear any previous over-temperature alert */ |
134 | rc = i2c_smbus_read_byte_data(hwmon_client, RSL); | 96 | rc = i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL); |
135 | if (rc < 0) | 97 | if (rc < 0) |
136 | return rc; | 98 | return rc; |
137 | 99 | ||
@@ -209,6 +171,34 @@ fail_on: | |||
209 | return rc; | 171 | return rc; |
210 | } | 172 | } |
211 | 173 | ||
174 | static int sfe4001_check_hw(struct efx_nic *efx) | ||
175 | { | ||
176 | s32 status; | ||
177 | |||
178 | /* If XAUI link is up then do not monitor */ | ||
179 | if (EFX_WORKAROUND_7884(efx) && falcon_xaui_link_ok(efx)) | ||
180 | return 0; | ||
181 | |||
182 | /* Check the powered status of the PHY. Lack of power implies that | ||
183 | * the MAX6647 has shut down power to it, probably due to a temp. | ||
184 | * alarm. Reading the power status rather than the MAX6647 status | ||
185 | * directly because the later is read-to-clear and would thus | ||
186 | * start to power up the PHY again when polled, causing us to blip | ||
187 | * the power undesirably. | ||
188 | * We know we can read from the IO expander because we did | ||
189 | * it during power-on. Assume failure now is bad news. */ | ||
190 | status = i2c_smbus_read_byte_data(efx->board_info.ioexp_client, P1_IN); | ||
191 | if (status >= 0 && | ||
192 | (status & ((1 << P1_AFE_PWD_LBN) | (1 << P1_DSP_PWD25_LBN))) != 0) | ||
193 | return 0; | ||
194 | |||
195 | /* Use board power control, not PHY power control */ | ||
196 | sfe4001_poweroff(efx); | ||
197 | efx->phy_mode = PHY_MODE_OFF; | ||
198 | |||
199 | return (status < 0) ? -EIO : -ERANGE; | ||
200 | } | ||
201 | |||
212 | /* On SFE4001 rev A2 and later, we can control the FLASH_CFG_1 pin | 202 | /* On SFE4001 rev A2 and later, we can control the FLASH_CFG_1 pin |
213 | * using the 3V3X output of the IO-expander. Allow the user to set | 203 | * using the 3V3X output of the IO-expander. Allow the user to set |
214 | * this when the device is stopped, and keep it stopped then. | 204 | * this when the device is stopped, and keep it stopped then. |
@@ -261,35 +251,34 @@ static void sfe4001_fini(struct efx_nic *efx) | |||
261 | i2c_unregister_device(efx->board_info.hwmon_client); | 251 | i2c_unregister_device(efx->board_info.hwmon_client); |
262 | } | 252 | } |
263 | 253 | ||
254 | static struct i2c_board_info sfe4001_hwmon_info = { | ||
255 | I2C_BOARD_INFO("max6647", 0x4e), | ||
256 | .irq = -1, | ||
257 | }; | ||
258 | |||
264 | /* This board uses an I2C expander to provider power to the PHY, which needs to | 259 | /* This board uses an I2C expander to provider power to the PHY, which needs to |
265 | * be turned on before the PHY can be used. | 260 | * be turned on before the PHY can be used. |
266 | * Context: Process context, rtnl lock held | 261 | * Context: Process context, rtnl lock held |
267 | */ | 262 | */ |
268 | int sfe4001_init(struct efx_nic *efx) | 263 | int sfe4001_init(struct efx_nic *efx) |
269 | { | 264 | { |
270 | struct i2c_client *hwmon_client; | ||
271 | int rc; | 265 | int rc; |
272 | 266 | ||
273 | hwmon_client = i2c_new_dummy(&efx->i2c_adap, MAX6647); | 267 | #if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE) |
274 | if (!hwmon_client) | 268 | efx->board_info.hwmon_client = |
269 | i2c_new_device(&efx->i2c_adap, &sfe4001_hwmon_info); | ||
270 | #else | ||
271 | efx->board_info.hwmon_client = | ||
272 | i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr); | ||
273 | #endif | ||
274 | if (!efx->board_info.hwmon_client) | ||
275 | return -EIO; | 275 | return -EIO; |
276 | efx->board_info.hwmon_client = hwmon_client; | ||
277 | 276 | ||
278 | /* Set DSP over-temperature alert threshold */ | 277 | /* Raise board/PHY high limit from 85 to 90 degrees Celsius */ |
279 | EFX_INFO(efx, "DSP cut-out at %dC\n", xgphy_max_temperature); | 278 | rc = i2c_smbus_write_byte_data(efx->board_info.hwmon_client, |
280 | rc = i2c_smbus_write_byte_data(hwmon_client, WLHO, | 279 | MAX664X_REG_WLHO, 90); |
281 | xgphy_max_temperature); | ||
282 | if (rc) | 280 | if (rc) |
283 | goto fail_ioexp; | 281 | goto fail_hwmon; |
284 | |||
285 | /* Read it back and verify */ | ||
286 | rc = i2c_smbus_read_byte_data(hwmon_client, RLHN); | ||
287 | if (rc < 0) | ||
288 | goto fail_ioexp; | ||
289 | if (rc != xgphy_max_temperature) { | ||
290 | rc = -EFAULT; | ||
291 | goto fail_ioexp; | ||
292 | } | ||
293 | 282 | ||
294 | efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539); | 283 | efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539); |
295 | if (!efx->board_info.ioexp_client) { | 284 | if (!efx->board_info.ioexp_client) { |
@@ -301,6 +290,7 @@ int sfe4001_init(struct efx_nic *efx) | |||
301 | * blink code. */ | 290 | * blink code. */ |
302 | efx->board_info.blink = tenxpress_phy_blink; | 291 | efx->board_info.blink = tenxpress_phy_blink; |
303 | 292 | ||
293 | efx->board_info.monitor = sfe4001_check_hw; | ||
304 | efx->board_info.fini = sfe4001_fini; | 294 | efx->board_info.fini = sfe4001_fini; |
305 | 295 | ||
306 | rc = sfe4001_poweron(efx); | 296 | rc = sfe4001_poweron(efx); |
@@ -319,6 +309,6 @@ fail_on: | |||
319 | fail_ioexp: | 309 | fail_ioexp: |
320 | i2c_unregister_device(efx->board_info.ioexp_client); | 310 | i2c_unregister_device(efx->board_info.ioexp_client); |
321 | fail_hwmon: | 311 | fail_hwmon: |
322 | i2c_unregister_device(hwmon_client); | 312 | i2c_unregister_device(efx->board_info.hwmon_client); |
323 | return rc; | 313 | return rc; |
324 | } | 314 | } |
diff --git a/drivers/net/sfc/spi.h b/drivers/net/sfc/spi.h index feef61942377..c4aca132348a 100644 --- a/drivers/net/sfc/spi.h +++ b/drivers/net/sfc/spi.h | |||
@@ -25,6 +25,7 @@ | |||
25 | #define SPI_WRDI 0x04 /* Reset write enable latch */ | 25 | #define SPI_WRDI 0x04 /* Reset write enable latch */ |
26 | #define SPI_RDSR 0x05 /* Read status register */ | 26 | #define SPI_RDSR 0x05 /* Read status register */ |
27 | #define SPI_WREN 0x06 /* Set write enable latch */ | 27 | #define SPI_WREN 0x06 /* Set write enable latch */ |
28 | #define SPI_SST_EWSR 0x50 /* SST: Enable write to status register */ | ||
28 | 29 | ||
29 | #define SPI_STATUS_WPEN 0x80 /* Write-protect pin enabled */ | 30 | #define SPI_STATUS_WPEN 0x80 /* Write-protect pin enabled */ |
30 | #define SPI_STATUS_BP2 0x10 /* Block protection bit 2 */ | 31 | #define SPI_STATUS_BP2 0x10 /* Block protection bit 2 */ |
@@ -36,6 +37,7 @@ | |||
36 | /** | 37 | /** |
37 | * struct efx_spi_device - an Efx SPI (Serial Peripheral Interface) device | 38 | * struct efx_spi_device - an Efx SPI (Serial Peripheral Interface) device |
38 | * @efx: The Efx controller that owns this device | 39 | * @efx: The Efx controller that owns this device |
40 | * @mtd: MTD state | ||
39 | * @device_id: Controller's id for the device | 41 | * @device_id: Controller's id for the device |
40 | * @size: Size (in bytes) | 42 | * @size: Size (in bytes) |
41 | * @addr_len: Number of address bytes in read/write commands | 43 | * @addr_len: Number of address bytes in read/write commands |
@@ -44,23 +46,51 @@ | |||
44 | * use bit 3 of the command byte as address bit A8, rather | 46 | * use bit 3 of the command byte as address bit A8, rather |
45 | * than having a two-byte address. If this flag is set, then | 47 | * than having a two-byte address. If this flag is set, then |
46 | * commands should be munged in this way. | 48 | * commands should be munged in this way. |
49 | * @erase_command: Erase command (or 0 if sector erase not needed). | ||
50 | * @erase_size: Erase sector size (in bytes) | ||
51 | * Erase commands affect sectors with this size and alignment. | ||
52 | * This must be a power of two. | ||
47 | * @block_size: Write block size (in bytes). | 53 | * @block_size: Write block size (in bytes). |
48 | * Write commands are limited to blocks with this size and alignment. | 54 | * Write commands are limited to blocks with this size and alignment. |
49 | * @read: Read function for the device | ||
50 | * @write: Write function for the device | ||
51 | */ | 55 | */ |
52 | struct efx_spi_device { | 56 | struct efx_spi_device { |
53 | struct efx_nic *efx; | 57 | struct efx_nic *efx; |
58 | #ifdef CONFIG_SFC_MTD | ||
59 | void *mtd; | ||
60 | #endif | ||
54 | int device_id; | 61 | int device_id; |
55 | unsigned int size; | 62 | unsigned int size; |
56 | unsigned int addr_len; | 63 | unsigned int addr_len; |
57 | unsigned int munge_address:1; | 64 | unsigned int munge_address:1; |
65 | u8 erase_command; | ||
66 | unsigned int erase_size; | ||
58 | unsigned int block_size; | 67 | unsigned int block_size; |
59 | }; | 68 | }; |
60 | 69 | ||
70 | int falcon_spi_cmd(const struct efx_spi_device *spi, unsigned int command, | ||
71 | int address, const void* in, void *out, unsigned int len); | ||
72 | int falcon_spi_fast_wait(const struct efx_spi_device *spi); | ||
61 | int falcon_spi_read(const struct efx_spi_device *spi, loff_t start, | 73 | int falcon_spi_read(const struct efx_spi_device *spi, loff_t start, |
62 | size_t len, size_t *retlen, u8 *buffer); | 74 | size_t len, size_t *retlen, u8 *buffer); |
63 | int falcon_spi_write(const struct efx_spi_device *spi, loff_t start, | 75 | int falcon_spi_write(const struct efx_spi_device *spi, loff_t start, |
64 | size_t len, size_t *retlen, const u8 *buffer); | 76 | size_t len, size_t *retlen, const u8 *buffer); |
65 | 77 | ||
78 | /* | ||
79 | * SFC4000 flash is partitioned into: | ||
80 | * 0-0x400 chip and board config (see falcon_hwdefs.h) | ||
81 | * 0x400-0x8000 unused (or may contain VPD if EEPROM not present) | ||
82 | * 0x8000-end boot code (mapped to PCI expansion ROM) | ||
83 | * SFC4000 small EEPROM (size < 0x400) is used for VPD only. | ||
84 | * SFC4000 large EEPROM (size >= 0x400) is partitioned into: | ||
85 | * 0-0x400 chip and board config | ||
86 | * configurable VPD | ||
87 | * 0x800-0x1800 boot config | ||
88 | * Aside from the chip and board config, all of these are optional and may | ||
89 | * be absent or truncated depending on the devices used. | ||
90 | */ | ||
91 | #define FALCON_NVCONFIG_END 0x400U | ||
92 | #define FALCON_FLASH_BOOTCODE_START 0x8000U | ||
93 | #define EFX_EEPROM_BOOTCONFIG_START 0x800U | ||
94 | #define EFX_EEPROM_BOOTCONFIG_END 0x1800U | ||
95 | |||
66 | #endif /* EFX_SPI_H */ | 96 | #endif /* EFX_SPI_H */ |
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index d507c93d666e..8d41c29b9d7b 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c | |||
@@ -376,6 +376,7 @@ static int tenxpress_phy_check_hw(struct efx_nic *efx) | |||
376 | { | 376 | { |
377 | struct tenxpress_phy_data *phy_data = efx->phy_data; | 377 | struct tenxpress_phy_data *phy_data = efx->phy_data; |
378 | bool link_ok; | 378 | bool link_ok; |
379 | int rc = 0; | ||
379 | 380 | ||
380 | link_ok = tenxpress_link_ok(efx, true); | 381 | link_ok = tenxpress_link_ok(efx, true); |
381 | 382 | ||
@@ -391,7 +392,22 @@ static int tenxpress_phy_check_hw(struct efx_nic *efx) | |||
391 | atomic_set(&phy_data->bad_crc_count, 0); | 392 | atomic_set(&phy_data->bad_crc_count, 0); |
392 | } | 393 | } |
393 | 394 | ||
394 | return 0; | 395 | rc = efx->board_info.monitor(efx); |
396 | if (rc) { | ||
397 | EFX_ERR(efx, "Board sensor %s; shutting down PHY\n", | ||
398 | (rc == -ERANGE) ? "reported fault" : "failed"); | ||
399 | if (efx->phy_mode & PHY_MODE_OFF) { | ||
400 | /* Assume that board has shut PHY off */ | ||
401 | phy_data->phy_mode = PHY_MODE_OFF; | ||
402 | } else { | ||
403 | efx->phy_mode |= PHY_MODE_LOW_POWER; | ||
404 | mdio_clause45_set_mmds_lpower(efx, true, | ||
405 | efx->phy_op->mmds); | ||
406 | phy_data->phy_mode |= PHY_MODE_LOW_POWER; | ||
407 | } | ||
408 | } | ||
409 | |||
410 | return rc; | ||
395 | } | 411 | } |
396 | 412 | ||
397 | static void tenxpress_phy_fini(struct efx_nic *efx) | 413 | static void tenxpress_phy_fini(struct efx_nic *efx) |
diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h index fa7b49d69288..ec50b90f4285 100644 --- a/drivers/net/sfc/workarounds.h +++ b/drivers/net/sfc/workarounds.h | |||
@@ -22,6 +22,8 @@ | |||
22 | #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS | 22 | #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS |
23 | /* RX PCIe double split performance issue */ | 23 | /* RX PCIe double split performance issue */ |
24 | #define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS | 24 | #define EFX_WORKAROUND_7575 EFX_WORKAROUND_ALWAYS |
25 | /* Bit-bashed I2C reads cause performance drop */ | ||
26 | #define EFX_WORKAROUND_7884 EFX_WORKAROUND_ALWAYS | ||
25 | /* TX pkt parser problem with <= 16 byte TXes */ | 27 | /* TX pkt parser problem with <= 16 byte TXes */ |
26 | #define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS | 28 | #define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS |
27 | /* Low rate CRC errors require XAUI reset */ | 29 | /* Low rate CRC errors require XAUI reset */ |
diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c index 276151df3a70..91f024662101 100644 --- a/drivers/net/sfc/xfp_phy.c +++ b/drivers/net/sfc/xfp_phy.c | |||
@@ -128,6 +128,15 @@ static int xfp_phy_check_hw(struct efx_nic *efx) | |||
128 | if (link_up != efx->link_up) | 128 | if (link_up != efx->link_up) |
129 | falcon_xmac_sim_phy_event(efx); | 129 | falcon_xmac_sim_phy_event(efx); |
130 | 130 | ||
131 | rc = efx->board_info.monitor(efx); | ||
132 | if (rc) { | ||
133 | struct xfp_phy_data *phy_data = efx->phy_data; | ||
134 | EFX_ERR(efx, "XFP sensor alert; putting PHY into low power\n"); | ||
135 | efx->phy_mode |= PHY_MODE_LOW_POWER; | ||
136 | mdio_clause45_set_mmds_lpower(efx, 1, XFP_REQUIRED_DEVS); | ||
137 | phy_data->phy_mode |= PHY_MODE_LOW_POWER; | ||
138 | } | ||
139 | |||
131 | return rc; | 140 | return rc; |
132 | } | 141 | } |
133 | 142 | ||
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c new file mode 100644 index 000000000000..fe517880fc97 --- /dev/null +++ b/drivers/net/smsc911x.c | |||
@@ -0,0 +1,2091 @@ | |||
1 | /*************************************************************************** | ||
2 | * | ||
3 | * Copyright (C) 2004-2008 SMSC | ||
4 | * Copyright (C) 2005-2008 ARM | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
19 | * | ||
20 | *************************************************************************** | ||
21 | * Rewritten, heavily based on smsc911x simple driver by SMSC. | ||
22 | * Partly uses io macros from smc91x.c by Nicolas Pitre | ||
23 | * | ||
24 | * Supported devices: | ||
25 | * LAN9115, LAN9116, LAN9117, LAN9118 | ||
26 | * LAN9215, LAN9216, LAN9217, LAN9218 | ||
27 | * LAN9210, LAN9211 | ||
28 | * LAN9220, LAN9221 | ||
29 | * | ||
30 | */ | ||
31 | |||
32 | #include <linux/crc32.h> | ||
33 | #include <linux/delay.h> | ||
34 | #include <linux/errno.h> | ||
35 | #include <linux/etherdevice.h> | ||
36 | #include <linux/ethtool.h> | ||
37 | #include <linux/init.h> | ||
38 | #include <linux/ioport.h> | ||
39 | #include <linux/kernel.h> | ||
40 | #include <linux/module.h> | ||
41 | #include <linux/netdevice.h> | ||
42 | #include <linux/platform_device.h> | ||
43 | #include <linux/sched.h> | ||
44 | #include <linux/slab.h> | ||
45 | #include <linux/timer.h> | ||
46 | #include <linux/version.h> | ||
47 | #include <linux/bug.h> | ||
48 | #include <linux/bitops.h> | ||
49 | #include <linux/irq.h> | ||
50 | #include <linux/io.h> | ||
51 | #include <linux/phy.h> | ||
52 | #include <linux/smsc911x.h> | ||
53 | #include "smsc911x.h" | ||
54 | |||
55 | #define SMSC_CHIPNAME "smsc911x" | ||
56 | #define SMSC_MDIONAME "smsc911x-mdio" | ||
57 | #define SMSC_DRV_VERSION "2008-10-21" | ||
58 | |||
59 | MODULE_LICENSE("GPL"); | ||
60 | MODULE_VERSION(SMSC_DRV_VERSION); | ||
61 | |||
62 | #if USE_DEBUG > 0 | ||
63 | static int debug = 16; | ||
64 | #else | ||
65 | static int debug = 3; | ||
66 | #endif | ||
67 | |||
68 | module_param(debug, int, 0); | ||
69 | MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); | ||
70 | |||
71 | struct smsc911x_data { | ||
72 | void __iomem *ioaddr; | ||
73 | |||
74 | unsigned int idrev; | ||
75 | |||
76 | /* used to decide which workarounds apply */ | ||
77 | unsigned int generation; | ||
78 | |||
79 | /* device configuration (copied from platform_data during probe) */ | ||
80 | unsigned int irq_polarity; | ||
81 | unsigned int irq_type; | ||
82 | phy_interface_t phy_interface; | ||
83 | |||
84 | /* This needs to be acquired before calling any of below: | ||
85 | * smsc911x_mac_read(), smsc911x_mac_write() | ||
86 | */ | ||
87 | spinlock_t mac_lock; | ||
88 | |||
89 | #if (!SMSC_CAN_USE_32BIT) | ||
90 | /* spinlock to ensure 16-bit accesses are serialised */ | ||
91 | spinlock_t dev_lock; | ||
92 | #endif | ||
93 | |||
94 | struct phy_device *phy_dev; | ||
95 | struct mii_bus *mii_bus; | ||
96 | int phy_irq[PHY_MAX_ADDR]; | ||
97 | unsigned int using_extphy; | ||
98 | int last_duplex; | ||
99 | int last_carrier; | ||
100 | |||
101 | u32 msg_enable; | ||
102 | unsigned int gpio_setting; | ||
103 | unsigned int gpio_orig_setting; | ||
104 | struct net_device *dev; | ||
105 | struct napi_struct napi; | ||
106 | |||
107 | unsigned int software_irq_signal; | ||
108 | |||
109 | #ifdef USE_PHY_WORK_AROUND | ||
110 | #define MIN_PACKET_SIZE (64) | ||
111 | char loopback_tx_pkt[MIN_PACKET_SIZE]; | ||
112 | char loopback_rx_pkt[MIN_PACKET_SIZE]; | ||
113 | unsigned int resetcount; | ||
114 | #endif | ||
115 | |||
116 | /* Members for Multicast filter workaround */ | ||
117 | unsigned int multicast_update_pending; | ||
118 | unsigned int set_bits_mask; | ||
119 | unsigned int clear_bits_mask; | ||
120 | unsigned int hashhi; | ||
121 | unsigned int hashlo; | ||
122 | }; | ||
123 | |||
124 | #if SMSC_CAN_USE_32BIT | ||
125 | |||
126 | static inline u32 smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg) | ||
127 | { | ||
128 | return readl(pdata->ioaddr + reg); | ||
129 | } | ||
130 | |||
131 | static inline void smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg, | ||
132 | u32 val) | ||
133 | { | ||
134 | writel(val, pdata->ioaddr + reg); | ||
135 | } | ||
136 | |||
137 | /* Writes a packet to the TX_DATA_FIFO */ | ||
138 | static inline void | ||
139 | smsc911x_tx_writefifo(struct smsc911x_data *pdata, unsigned int *buf, | ||
140 | unsigned int wordcount) | ||
141 | { | ||
142 | writesl(pdata->ioaddr + TX_DATA_FIFO, buf, wordcount); | ||
143 | } | ||
144 | |||
145 | /* Reads a packet out of the RX_DATA_FIFO */ | ||
146 | static inline void | ||
147 | smsc911x_rx_readfifo(struct smsc911x_data *pdata, unsigned int *buf, | ||
148 | unsigned int wordcount) | ||
149 | { | ||
150 | readsl(pdata->ioaddr + RX_DATA_FIFO, buf, wordcount); | ||
151 | } | ||
152 | |||
153 | #else /* SMSC_CAN_USE_32BIT */ | ||
154 | |||
155 | /* These 16-bit access functions are significantly slower, due to the locking | ||
156 | * necessary. If your bus hardware can be configured to do this for you | ||
157 | * (in response to a single 32-bit operation from software), you should use | ||
158 | * the 32-bit access functions instead. */ | ||
159 | |||
160 | static inline u32 smsc911x_reg_read(struct smsc911x_data *pdata, u32 reg) | ||
161 | { | ||
162 | unsigned long flags; | ||
163 | u32 data; | ||
164 | |||
165 | /* these two 16-bit reads must be performed consecutively, so must | ||
166 | * not be interrupted by our own ISR (which would start another | ||
167 | * read operation) */ | ||
168 | spin_lock_irqsave(&pdata->dev_lock, flags); | ||
169 | data = ((readw(pdata->ioaddr + reg) & 0xFFFF) | | ||
170 | ((readw(pdata->ioaddr + reg + 2) & 0xFFFF) << 16)); | ||
171 | spin_unlock_irqrestore(&pdata->dev_lock, flags); | ||
172 | |||
173 | return data; | ||
174 | } | ||
175 | |||
176 | static inline void smsc911x_reg_write(struct smsc911x_data *pdata, u32 reg, | ||
177 | u32 val) | ||
178 | { | ||
179 | unsigned long flags; | ||
180 | |||
181 | /* these two 16-bit writes must be performed consecutively, so must | ||
182 | * not be interrupted by our own ISR (which would start another | ||
183 | * read operation) */ | ||
184 | spin_lock_irqsave(&pdata->dev_lock, flags); | ||
185 | writew(val & 0xFFFF, pdata->ioaddr + reg); | ||
186 | writew((val >> 16) & 0xFFFF, pdata->ioaddr + reg + 2); | ||
187 | spin_unlock_irqrestore(&pdata->dev_lock, flags); | ||
188 | } | ||
189 | |||
190 | /* Writes a packet to the TX_DATA_FIFO */ | ||
191 | static inline void | ||
192 | smsc911x_tx_writefifo(struct smsc911x_data *pdata, unsigned int *buf, | ||
193 | unsigned int wordcount) | ||
194 | { | ||
195 | while (wordcount--) | ||
196 | smsc911x_reg_write(pdata, TX_DATA_FIFO, *buf++); | ||
197 | } | ||
198 | |||
199 | /* Reads a packet out of the RX_DATA_FIFO */ | ||
200 | static inline void | ||
201 | smsc911x_rx_readfifo(struct smsc911x_data *pdata, unsigned int *buf, | ||
202 | unsigned int wordcount) | ||
203 | { | ||
204 | while (wordcount--) | ||
205 | *buf++ = smsc911x_reg_read(pdata, RX_DATA_FIFO); | ||
206 | } | ||
207 | |||
208 | #endif /* SMSC_CAN_USE_32BIT */ | ||
209 | |||
210 | /* waits for MAC not busy, with timeout. Only called by smsc911x_mac_read | ||
211 | * and smsc911x_mac_write, so assumes mac_lock is held */ | ||
212 | static int smsc911x_mac_complete(struct smsc911x_data *pdata) | ||
213 | { | ||
214 | int i; | ||
215 | u32 val; | ||
216 | |||
217 | SMSC_ASSERT_MAC_LOCK(pdata); | ||
218 | |||
219 | for (i = 0; i < 40; i++) { | ||
220 | val = smsc911x_reg_read(pdata, MAC_CSR_CMD); | ||
221 | if (!(val & MAC_CSR_CMD_CSR_BUSY_)) | ||
222 | return 0; | ||
223 | } | ||
224 | SMSC_WARNING(HW, "Timed out waiting for MAC not BUSY. " | ||
225 | "MAC_CSR_CMD: 0x%08X", val); | ||
226 | return -EIO; | ||
227 | } | ||
228 | |||
229 | /* Fetches a MAC register value. Assumes mac_lock is acquired */ | ||
230 | static u32 smsc911x_mac_read(struct smsc911x_data *pdata, unsigned int offset) | ||
231 | { | ||
232 | unsigned int temp; | ||
233 | |||
234 | SMSC_ASSERT_MAC_LOCK(pdata); | ||
235 | |||
236 | temp = smsc911x_reg_read(pdata, MAC_CSR_CMD); | ||
237 | if (unlikely(temp & MAC_CSR_CMD_CSR_BUSY_)) { | ||
238 | SMSC_WARNING(HW, "MAC busy at entry"); | ||
239 | return 0xFFFFFFFF; | ||
240 | } | ||
241 | |||
242 | /* Send the MAC cmd */ | ||
243 | smsc911x_reg_write(pdata, MAC_CSR_CMD, ((offset & 0xFF) | | ||
244 | MAC_CSR_CMD_CSR_BUSY_ | MAC_CSR_CMD_R_NOT_W_)); | ||
245 | |||
246 | /* Workaround for hardware read-after-write restriction */ | ||
247 | temp = smsc911x_reg_read(pdata, BYTE_TEST); | ||
248 | |||
249 | /* Wait for the read to complete */ | ||
250 | if (likely(smsc911x_mac_complete(pdata) == 0)) | ||
251 | return smsc911x_reg_read(pdata, MAC_CSR_DATA); | ||
252 | |||
253 | SMSC_WARNING(HW, "MAC busy after read"); | ||
254 | return 0xFFFFFFFF; | ||
255 | } | ||
256 | |||
257 | /* Set a mac register, mac_lock must be acquired before calling */ | ||
258 | static void smsc911x_mac_write(struct smsc911x_data *pdata, | ||
259 | unsigned int offset, u32 val) | ||
260 | { | ||
261 | unsigned int temp; | ||
262 | |||
263 | SMSC_ASSERT_MAC_LOCK(pdata); | ||
264 | |||
265 | temp = smsc911x_reg_read(pdata, MAC_CSR_CMD); | ||
266 | if (unlikely(temp & MAC_CSR_CMD_CSR_BUSY_)) { | ||
267 | SMSC_WARNING(HW, | ||
268 | "smsc911x_mac_write failed, MAC busy at entry"); | ||
269 | return; | ||
270 | } | ||
271 | |||
272 | /* Send data to write */ | ||
273 | smsc911x_reg_write(pdata, MAC_CSR_DATA, val); | ||
274 | |||
275 | /* Write the actual data */ | ||
276 | smsc911x_reg_write(pdata, MAC_CSR_CMD, ((offset & 0xFF) | | ||
277 | MAC_CSR_CMD_CSR_BUSY_)); | ||
278 | |||
279 | /* Workaround for hardware read-after-write restriction */ | ||
280 | temp = smsc911x_reg_read(pdata, BYTE_TEST); | ||
281 | |||
282 | /* Wait for the write to complete */ | ||
283 | if (likely(smsc911x_mac_complete(pdata) == 0)) | ||
284 | return; | ||
285 | |||
286 | SMSC_WARNING(HW, | ||
287 | "smsc911x_mac_write failed, MAC busy after write"); | ||
288 | } | ||
289 | |||
290 | /* Get a phy register */ | ||
291 | static int smsc911x_mii_read(struct mii_bus *bus, int phyaddr, int regidx) | ||
292 | { | ||
293 | struct smsc911x_data *pdata = (struct smsc911x_data *)bus->priv; | ||
294 | unsigned long flags; | ||
295 | unsigned int addr; | ||
296 | int i, reg; | ||
297 | |||
298 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
299 | |||
300 | /* Confirm MII not busy */ | ||
301 | if (unlikely(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) { | ||
302 | SMSC_WARNING(HW, | ||
303 | "MII is busy in smsc911x_mii_read???"); | ||
304 | reg = -EIO; | ||
305 | goto out; | ||
306 | } | ||
307 | |||
308 | /* Set the address, index & direction (read from PHY) */ | ||
309 | addr = ((phyaddr & 0x1F) << 11) | ((regidx & 0x1F) << 6); | ||
310 | smsc911x_mac_write(pdata, MII_ACC, addr); | ||
311 | |||
312 | /* Wait for read to complete w/ timeout */ | ||
313 | for (i = 0; i < 100; i++) | ||
314 | if (!(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) { | ||
315 | reg = smsc911x_mac_read(pdata, MII_DATA); | ||
316 | goto out; | ||
317 | } | ||
318 | |||
319 | SMSC_WARNING(HW, "Timed out waiting for MII write to finish"); | ||
320 | reg = -EIO; | ||
321 | |||
322 | out: | ||
323 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
324 | return reg; | ||
325 | } | ||
326 | |||
327 | /* Set a phy register */ | ||
328 | static int smsc911x_mii_write(struct mii_bus *bus, int phyaddr, int regidx, | ||
329 | u16 val) | ||
330 | { | ||
331 | struct smsc911x_data *pdata = (struct smsc911x_data *)bus->priv; | ||
332 | unsigned long flags; | ||
333 | unsigned int addr; | ||
334 | int i, reg; | ||
335 | |||
336 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
337 | |||
338 | /* Confirm MII not busy */ | ||
339 | if (unlikely(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) { | ||
340 | SMSC_WARNING(HW, | ||
341 | "MII is busy in smsc911x_mii_write???"); | ||
342 | reg = -EIO; | ||
343 | goto out; | ||
344 | } | ||
345 | |||
346 | /* Put the data to write in the MAC */ | ||
347 | smsc911x_mac_write(pdata, MII_DATA, val); | ||
348 | |||
349 | /* Set the address, index & direction (write to PHY) */ | ||
350 | addr = ((phyaddr & 0x1F) << 11) | ((regidx & 0x1F) << 6) | | ||
351 | MII_ACC_MII_WRITE_; | ||
352 | smsc911x_mac_write(pdata, MII_ACC, addr); | ||
353 | |||
354 | /* Wait for write to complete w/ timeout */ | ||
355 | for (i = 0; i < 100; i++) | ||
356 | if (!(smsc911x_mac_read(pdata, MII_ACC) & MII_ACC_MII_BUSY_)) { | ||
357 | reg = 0; | ||
358 | goto out; | ||
359 | } | ||
360 | |||
361 | SMSC_WARNING(HW, "Timed out waiting for MII write to finish"); | ||
362 | reg = -EIO; | ||
363 | |||
364 | out: | ||
365 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
366 | return reg; | ||
367 | } | ||
368 | |||
369 | /* Autodetects and initialises external phy for SMSC9115 and SMSC9117 flavors. | ||
370 | * If something goes wrong, returns -ENODEV to revert back to internal phy. | ||
371 | * Performed at initialisation only, so interrupts are enabled */ | ||
372 | static int smsc911x_phy_initialise_external(struct smsc911x_data *pdata) | ||
373 | { | ||
374 | unsigned int hwcfg = smsc911x_reg_read(pdata, HW_CFG); | ||
375 | |||
376 | /* External phy is requested, supported, and detected */ | ||
377 | if (hwcfg & HW_CFG_EXT_PHY_DET_) { | ||
378 | |||
379 | /* Switch to external phy. Assuming tx and rx are stopped | ||
380 | * because smsc911x_phy_initialise is called before | ||
381 | * smsc911x_rx_initialise and tx_initialise. */ | ||
382 | |||
383 | /* Disable phy clocks to the MAC */ | ||
384 | hwcfg &= (~HW_CFG_PHY_CLK_SEL_); | ||
385 | hwcfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_; | ||
386 | smsc911x_reg_write(pdata, HW_CFG, hwcfg); | ||
387 | udelay(10); /* Enough time for clocks to stop */ | ||
388 | |||
389 | /* Switch to external phy */ | ||
390 | hwcfg |= HW_CFG_EXT_PHY_EN_; | ||
391 | smsc911x_reg_write(pdata, HW_CFG, hwcfg); | ||
392 | |||
393 | /* Enable phy clocks to the MAC */ | ||
394 | hwcfg &= (~HW_CFG_PHY_CLK_SEL_); | ||
395 | hwcfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_; | ||
396 | smsc911x_reg_write(pdata, HW_CFG, hwcfg); | ||
397 | udelay(10); /* Enough time for clocks to restart */ | ||
398 | |||
399 | hwcfg |= HW_CFG_SMI_SEL_; | ||
400 | smsc911x_reg_write(pdata, HW_CFG, hwcfg); | ||
401 | |||
402 | SMSC_TRACE(HW, "Successfully switched to external PHY"); | ||
403 | pdata->using_extphy = 1; | ||
404 | } else { | ||
405 | SMSC_WARNING(HW, "No external PHY detected, " | ||
406 | "Using internal PHY instead."); | ||
407 | /* Use internal phy */ | ||
408 | return -ENODEV; | ||
409 | } | ||
410 | return 0; | ||
411 | } | ||
412 | |||
413 | /* Fetches a tx status out of the status fifo */ | ||
414 | static unsigned int smsc911x_tx_get_txstatus(struct smsc911x_data *pdata) | ||
415 | { | ||
416 | unsigned int result = | ||
417 | smsc911x_reg_read(pdata, TX_FIFO_INF) & TX_FIFO_INF_TSUSED_; | ||
418 | |||
419 | if (result != 0) | ||
420 | result = smsc911x_reg_read(pdata, TX_STATUS_FIFO); | ||
421 | |||
422 | return result; | ||
423 | } | ||
424 | |||
425 | /* Fetches the next rx status */ | ||
426 | static unsigned int smsc911x_rx_get_rxstatus(struct smsc911x_data *pdata) | ||
427 | { | ||
428 | unsigned int result = | ||
429 | smsc911x_reg_read(pdata, RX_FIFO_INF) & RX_FIFO_INF_RXSUSED_; | ||
430 | |||
431 | if (result != 0) | ||
432 | result = smsc911x_reg_read(pdata, RX_STATUS_FIFO); | ||
433 | |||
434 | return result; | ||
435 | } | ||
436 | |||
437 | #ifdef USE_PHY_WORK_AROUND | ||
438 | static int smsc911x_phy_check_loopbackpkt(struct smsc911x_data *pdata) | ||
439 | { | ||
440 | unsigned int tries; | ||
441 | u32 wrsz; | ||
442 | u32 rdsz; | ||
443 | ulong bufp; | ||
444 | |||
445 | for (tries = 0; tries < 10; tries++) { | ||
446 | unsigned int txcmd_a; | ||
447 | unsigned int txcmd_b; | ||
448 | unsigned int status; | ||
449 | unsigned int pktlength; | ||
450 | unsigned int i; | ||
451 | |||
452 | /* Zero-out rx packet memory */ | ||
453 | memset(pdata->loopback_rx_pkt, 0, MIN_PACKET_SIZE); | ||
454 | |||
455 | /* Write tx packet to 118 */ | ||
456 | txcmd_a = (u32)((ulong)pdata->loopback_tx_pkt & 0x03) << 16; | ||
457 | txcmd_a |= TX_CMD_A_FIRST_SEG_ | TX_CMD_A_LAST_SEG_; | ||
458 | txcmd_a |= MIN_PACKET_SIZE; | ||
459 | |||
460 | txcmd_b = MIN_PACKET_SIZE << 16 | MIN_PACKET_SIZE; | ||
461 | |||
462 | smsc911x_reg_write(pdata, TX_DATA_FIFO, txcmd_a); | ||
463 | smsc911x_reg_write(pdata, TX_DATA_FIFO, txcmd_b); | ||
464 | |||
465 | bufp = (ulong)pdata->loopback_tx_pkt & (~0x3); | ||
466 | wrsz = MIN_PACKET_SIZE + 3; | ||
467 | wrsz += (u32)((ulong)pdata->loopback_tx_pkt & 0x3); | ||
468 | wrsz >>= 2; | ||
469 | |||
470 | smsc911x_tx_writefifo(pdata, (unsigned int *)bufp, wrsz); | ||
471 | |||
472 | /* Wait till transmit is done */ | ||
473 | i = 60; | ||
474 | do { | ||
475 | udelay(5); | ||
476 | status = smsc911x_tx_get_txstatus(pdata); | ||
477 | } while ((i--) && (!status)); | ||
478 | |||
479 | if (!status) { | ||
480 | SMSC_WARNING(HW, "Failed to transmit " | ||
481 | "during loopback test"); | ||
482 | continue; | ||
483 | } | ||
484 | if (status & TX_STS_ES_) { | ||
485 | SMSC_WARNING(HW, "Transmit encountered " | ||
486 | "errors during loopback test"); | ||
487 | continue; | ||
488 | } | ||
489 | |||
490 | /* Wait till receive is done */ | ||
491 | i = 60; | ||
492 | do { | ||
493 | udelay(5); | ||
494 | status = smsc911x_rx_get_rxstatus(pdata); | ||
495 | } while ((i--) && (!status)); | ||
496 | |||
497 | if (!status) { | ||
498 | SMSC_WARNING(HW, | ||
499 | "Failed to receive during loopback test"); | ||
500 | continue; | ||
501 | } | ||
502 | if (status & RX_STS_ES_) { | ||
503 | SMSC_WARNING(HW, "Receive encountered " | ||
504 | "errors during loopback test"); | ||
505 | continue; | ||
506 | } | ||
507 | |||
508 | pktlength = ((status & 0x3FFF0000UL) >> 16); | ||
509 | bufp = (ulong)pdata->loopback_rx_pkt; | ||
510 | rdsz = pktlength + 3; | ||
511 | rdsz += (u32)((ulong)pdata->loopback_rx_pkt & 0x3); | ||
512 | rdsz >>= 2; | ||
513 | |||
514 | smsc911x_rx_readfifo(pdata, (unsigned int *)bufp, rdsz); | ||
515 | |||
516 | if (pktlength != (MIN_PACKET_SIZE + 4)) { | ||
517 | SMSC_WARNING(HW, "Unexpected packet size " | ||
518 | "during loop back test, size=%d, will retry", | ||
519 | pktlength); | ||
520 | } else { | ||
521 | unsigned int j; | ||
522 | int mismatch = 0; | ||
523 | for (j = 0; j < MIN_PACKET_SIZE; j++) { | ||
524 | if (pdata->loopback_tx_pkt[j] | ||
525 | != pdata->loopback_rx_pkt[j]) { | ||
526 | mismatch = 1; | ||
527 | break; | ||
528 | } | ||
529 | } | ||
530 | if (!mismatch) { | ||
531 | SMSC_TRACE(HW, "Successfully verified " | ||
532 | "loopback packet"); | ||
533 | return 0; | ||
534 | } else { | ||
535 | SMSC_WARNING(HW, "Data mismatch " | ||
536 | "during loop back test, will retry"); | ||
537 | } | ||
538 | } | ||
539 | } | ||
540 | |||
541 | return -EIO; | ||
542 | } | ||
543 | |||
544 | static int smsc911x_phy_reset(struct smsc911x_data *pdata) | ||
545 | { | ||
546 | struct phy_device *phy_dev = pdata->phy_dev; | ||
547 | unsigned int temp; | ||
548 | unsigned int i = 100000; | ||
549 | |||
550 | BUG_ON(!phy_dev); | ||
551 | BUG_ON(!phy_dev->bus); | ||
552 | |||
553 | SMSC_TRACE(HW, "Performing PHY BCR Reset"); | ||
554 | smsc911x_mii_write(phy_dev->bus, phy_dev->addr, MII_BMCR, BMCR_RESET); | ||
555 | do { | ||
556 | msleep(1); | ||
557 | temp = smsc911x_mii_read(phy_dev->bus, phy_dev->addr, | ||
558 | MII_BMCR); | ||
559 | } while ((i--) && (temp & BMCR_RESET)); | ||
560 | |||
561 | if (temp & BMCR_RESET) { | ||
562 | SMSC_WARNING(HW, "PHY reset failed to complete."); | ||
563 | return -EIO; | ||
564 | } | ||
565 | /* Extra delay required because the phy may not be completed with | ||
566 | * its reset when BMCR_RESET is cleared. Specs say 256 uS is | ||
567 | * enough delay but using 1ms here to be safe */ | ||
568 | msleep(1); | ||
569 | |||
570 | return 0; | ||
571 | } | ||
572 | |||
573 | static int smsc911x_phy_loopbacktest(struct net_device *dev) | ||
574 | { | ||
575 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
576 | struct phy_device *phy_dev = pdata->phy_dev; | ||
577 | int result = -EIO; | ||
578 | unsigned int i, val; | ||
579 | unsigned long flags; | ||
580 | |||
581 | /* Initialise tx packet using broadcast destination address */ | ||
582 | memset(pdata->loopback_tx_pkt, 0xff, ETH_ALEN); | ||
583 | |||
584 | /* Use incrementing source address */ | ||
585 | for (i = 6; i < 12; i++) | ||
586 | pdata->loopback_tx_pkt[i] = (char)i; | ||
587 | |||
588 | /* Set length type field */ | ||
589 | pdata->loopback_tx_pkt[12] = 0x00; | ||
590 | pdata->loopback_tx_pkt[13] = 0x00; | ||
591 | |||
592 | for (i = 14; i < MIN_PACKET_SIZE; i++) | ||
593 | pdata->loopback_tx_pkt[i] = (char)i; | ||
594 | |||
595 | val = smsc911x_reg_read(pdata, HW_CFG); | ||
596 | val &= HW_CFG_TX_FIF_SZ_; | ||
597 | val |= HW_CFG_SF_; | ||
598 | smsc911x_reg_write(pdata, HW_CFG, val); | ||
599 | |||
600 | smsc911x_reg_write(pdata, TX_CFG, TX_CFG_TX_ON_); | ||
601 | smsc911x_reg_write(pdata, RX_CFG, | ||
602 | (u32)((ulong)pdata->loopback_rx_pkt & 0x03) << 8); | ||
603 | |||
604 | for (i = 0; i < 10; i++) { | ||
605 | /* Set PHY to 10/FD, no ANEG, and loopback mode */ | ||
606 | smsc911x_mii_write(phy_dev->bus, phy_dev->addr, MII_BMCR, | ||
607 | BMCR_LOOPBACK | BMCR_FULLDPLX); | ||
608 | |||
609 | /* Enable MAC tx/rx, FD */ | ||
610 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
611 | smsc911x_mac_write(pdata, MAC_CR, MAC_CR_FDPX_ | ||
612 | | MAC_CR_TXEN_ | MAC_CR_RXEN_); | ||
613 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
614 | |||
615 | if (smsc911x_phy_check_loopbackpkt(pdata) == 0) { | ||
616 | result = 0; | ||
617 | break; | ||
618 | } | ||
619 | pdata->resetcount++; | ||
620 | |||
621 | /* Disable MAC rx */ | ||
622 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
623 | smsc911x_mac_write(pdata, MAC_CR, 0); | ||
624 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
625 | |||
626 | smsc911x_phy_reset(pdata); | ||
627 | } | ||
628 | |||
629 | /* Disable MAC */ | ||
630 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
631 | smsc911x_mac_write(pdata, MAC_CR, 0); | ||
632 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
633 | |||
634 | /* Cancel PHY loopback mode */ | ||
635 | smsc911x_mii_write(phy_dev->bus, phy_dev->addr, MII_BMCR, 0); | ||
636 | |||
637 | smsc911x_reg_write(pdata, TX_CFG, 0); | ||
638 | smsc911x_reg_write(pdata, RX_CFG, 0); | ||
639 | |||
640 | return result; | ||
641 | } | ||
642 | #endif /* USE_PHY_WORK_AROUND */ | ||
643 | |||
644 | static u8 smsc95xx_resolve_flowctrl_fulldplx(u16 lcladv, u16 rmtadv) | ||
645 | { | ||
646 | u8 cap = 0; | ||
647 | |||
648 | if (lcladv & ADVERTISE_PAUSE_CAP) { | ||
649 | if (lcladv & ADVERTISE_PAUSE_ASYM) { | ||
650 | if (rmtadv & LPA_PAUSE_CAP) | ||
651 | cap = FLOW_CTRL_TX | FLOW_CTRL_RX; | ||
652 | else if (rmtadv & LPA_PAUSE_ASYM) | ||
653 | cap = FLOW_CTRL_RX; | ||
654 | } else { | ||
655 | if (rmtadv & LPA_PAUSE_CAP) | ||
656 | cap = FLOW_CTRL_TX | FLOW_CTRL_RX; | ||
657 | } | ||
658 | } else if (lcladv & ADVERTISE_PAUSE_ASYM) { | ||
659 | if ((rmtadv & LPA_PAUSE_CAP) && (rmtadv & LPA_PAUSE_ASYM)) | ||
660 | cap = FLOW_CTRL_TX; | ||
661 | } | ||
662 | |||
663 | return cap; | ||
664 | } | ||
665 | |||
666 | static void smsc911x_phy_update_flowcontrol(struct smsc911x_data *pdata) | ||
667 | { | ||
668 | struct phy_device *phy_dev = pdata->phy_dev; | ||
669 | u32 afc = smsc911x_reg_read(pdata, AFC_CFG); | ||
670 | u32 flow; | ||
671 | unsigned long flags; | ||
672 | |||
673 | if (phy_dev->duplex == DUPLEX_FULL) { | ||
674 | u16 lcladv = phy_read(phy_dev, MII_ADVERTISE); | ||
675 | u16 rmtadv = phy_read(phy_dev, MII_LPA); | ||
676 | u8 cap = smsc95xx_resolve_flowctrl_fulldplx(lcladv, rmtadv); | ||
677 | |||
678 | if (cap & FLOW_CTRL_RX) | ||
679 | flow = 0xFFFF0002; | ||
680 | else | ||
681 | flow = 0; | ||
682 | |||
683 | if (cap & FLOW_CTRL_TX) | ||
684 | afc |= 0xF; | ||
685 | else | ||
686 | afc &= ~0xF; | ||
687 | |||
688 | SMSC_TRACE(HW, "rx pause %s, tx pause %s", | ||
689 | (cap & FLOW_CTRL_RX ? "enabled" : "disabled"), | ||
690 | (cap & FLOW_CTRL_TX ? "enabled" : "disabled")); | ||
691 | } else { | ||
692 | SMSC_TRACE(HW, "half duplex"); | ||
693 | flow = 0; | ||
694 | afc |= 0xF; | ||
695 | } | ||
696 | |||
697 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
698 | smsc911x_mac_write(pdata, FLOW, flow); | ||
699 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
700 | |||
701 | smsc911x_reg_write(pdata, AFC_CFG, afc); | ||
702 | } | ||
703 | |||
704 | /* Update link mode if anything has changed. Called periodically when the | ||
705 | * PHY is in polling mode, even if nothing has changed. */ | ||
706 | static void smsc911x_phy_adjust_link(struct net_device *dev) | ||
707 | { | ||
708 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
709 | struct phy_device *phy_dev = pdata->phy_dev; | ||
710 | unsigned long flags; | ||
711 | int carrier; | ||
712 | |||
713 | if (phy_dev->duplex != pdata->last_duplex) { | ||
714 | unsigned int mac_cr; | ||
715 | SMSC_TRACE(HW, "duplex state has changed"); | ||
716 | |||
717 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
718 | mac_cr = smsc911x_mac_read(pdata, MAC_CR); | ||
719 | if (phy_dev->duplex) { | ||
720 | SMSC_TRACE(HW, | ||
721 | "configuring for full duplex mode"); | ||
722 | mac_cr |= MAC_CR_FDPX_; | ||
723 | } else { | ||
724 | SMSC_TRACE(HW, | ||
725 | "configuring for half duplex mode"); | ||
726 | mac_cr &= ~MAC_CR_FDPX_; | ||
727 | } | ||
728 | smsc911x_mac_write(pdata, MAC_CR, mac_cr); | ||
729 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
730 | |||
731 | smsc911x_phy_update_flowcontrol(pdata); | ||
732 | pdata->last_duplex = phy_dev->duplex; | ||
733 | } | ||
734 | |||
735 | carrier = netif_carrier_ok(dev); | ||
736 | if (carrier != pdata->last_carrier) { | ||
737 | SMSC_TRACE(HW, "carrier state has changed"); | ||
738 | if (carrier) { | ||
739 | SMSC_TRACE(HW, "configuring for carrier OK"); | ||
740 | if ((pdata->gpio_orig_setting & GPIO_CFG_LED1_EN_) && | ||
741 | (!pdata->using_extphy)) { | ||
742 | /* Restore orginal GPIO configuration */ | ||
743 | pdata->gpio_setting = pdata->gpio_orig_setting; | ||
744 | smsc911x_reg_write(pdata, GPIO_CFG, | ||
745 | pdata->gpio_setting); | ||
746 | } | ||
747 | } else { | ||
748 | SMSC_TRACE(HW, "configuring for no carrier"); | ||
749 | /* Check global setting that LED1 | ||
750 | * usage is 10/100 indicator */ | ||
751 | pdata->gpio_setting = smsc911x_reg_read(pdata, | ||
752 | GPIO_CFG); | ||
753 | if ((pdata->gpio_setting & GPIO_CFG_LED1_EN_) | ||
754 | && (!pdata->using_extphy)) { | ||
755 | /* Force 10/100 LED off, after saving | ||
756 | * orginal GPIO configuration */ | ||
757 | pdata->gpio_orig_setting = pdata->gpio_setting; | ||
758 | |||
759 | pdata->gpio_setting &= ~GPIO_CFG_LED1_EN_; | ||
760 | pdata->gpio_setting |= (GPIO_CFG_GPIOBUF0_ | ||
761 | | GPIO_CFG_GPIODIR0_ | ||
762 | | GPIO_CFG_GPIOD0_); | ||
763 | smsc911x_reg_write(pdata, GPIO_CFG, | ||
764 | pdata->gpio_setting); | ||
765 | } | ||
766 | } | ||
767 | pdata->last_carrier = carrier; | ||
768 | } | ||
769 | } | ||
770 | |||
771 | static int smsc911x_mii_probe(struct net_device *dev) | ||
772 | { | ||
773 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
774 | struct phy_device *phydev = NULL; | ||
775 | int phy_addr; | ||
776 | |||
777 | /* find the first phy */ | ||
778 | for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { | ||
779 | if (pdata->mii_bus->phy_map[phy_addr]) { | ||
780 | phydev = pdata->mii_bus->phy_map[phy_addr]; | ||
781 | SMSC_TRACE(PROBE, "PHY %d: addr %d, phy_id 0x%08X", | ||
782 | phy_addr, phydev->addr, phydev->phy_id); | ||
783 | break; | ||
784 | } | ||
785 | } | ||
786 | |||
787 | if (!phydev) { | ||
788 | pr_err("%s: no PHY found\n", dev->name); | ||
789 | return -ENODEV; | ||
790 | } | ||
791 | |||
792 | phydev = phy_connect(dev, phydev->dev.bus_id, | ||
793 | &smsc911x_phy_adjust_link, 0, pdata->phy_interface); | ||
794 | |||
795 | if (IS_ERR(phydev)) { | ||
796 | pr_err("%s: Could not attach to PHY\n", dev->name); | ||
797 | return PTR_ERR(phydev); | ||
798 | } | ||
799 | |||
800 | pr_info("%s: attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n", | ||
801 | dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq); | ||
802 | |||
803 | /* mask with MAC supported features */ | ||
804 | phydev->supported &= (PHY_BASIC_FEATURES | SUPPORTED_Pause | | ||
805 | SUPPORTED_Asym_Pause); | ||
806 | phydev->advertising = phydev->supported; | ||
807 | |||
808 | pdata->phy_dev = phydev; | ||
809 | pdata->last_duplex = -1; | ||
810 | pdata->last_carrier = -1; | ||
811 | |||
812 | #ifdef USE_PHY_WORK_AROUND | ||
813 | if (smsc911x_phy_loopbacktest(dev) < 0) { | ||
814 | SMSC_WARNING(HW, "Failed Loop Back Test"); | ||
815 | return -ENODEV; | ||
816 | } | ||
817 | SMSC_TRACE(HW, "Passed Loop Back Test"); | ||
818 | #endif /* USE_PHY_WORK_AROUND */ | ||
819 | |||
820 | SMSC_TRACE(HW, "phy initialised succesfully"); | ||
821 | return 0; | ||
822 | } | ||
823 | |||
824 | static int __devinit smsc911x_mii_init(struct platform_device *pdev, | ||
825 | struct net_device *dev) | ||
826 | { | ||
827 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
828 | int err = -ENXIO, i; | ||
829 | |||
830 | pdata->mii_bus = mdiobus_alloc(); | ||
831 | if (!pdata->mii_bus) { | ||
832 | err = -ENOMEM; | ||
833 | goto err_out_1; | ||
834 | } | ||
835 | |||
836 | pdata->mii_bus->name = SMSC_MDIONAME; | ||
837 | snprintf(pdata->mii_bus->id, MII_BUS_ID_SIZE, "%x", pdev->id); | ||
838 | pdata->mii_bus->priv = pdata; | ||
839 | pdata->mii_bus->read = smsc911x_mii_read; | ||
840 | pdata->mii_bus->write = smsc911x_mii_write; | ||
841 | pdata->mii_bus->irq = pdata->phy_irq; | ||
842 | for (i = 0; i < PHY_MAX_ADDR; ++i) | ||
843 | pdata->mii_bus->irq[i] = PHY_POLL; | ||
844 | |||
845 | pdata->mii_bus->parent = &pdev->dev; | ||
846 | dev_set_drvdata(&pdev->dev, &pdata->mii_bus); | ||
847 | |||
848 | pdata->using_extphy = 0; | ||
849 | |||
850 | switch (pdata->idrev & 0xFFFF0000) { | ||
851 | case 0x01170000: | ||
852 | case 0x01150000: | ||
853 | case 0x117A0000: | ||
854 | case 0x115A0000: | ||
855 | /* External PHY supported, try to autodetect */ | ||
856 | if (smsc911x_phy_initialise_external(pdata) < 0) { | ||
857 | SMSC_TRACE(HW, "No external PHY detected, " | ||
858 | "using internal PHY"); | ||
859 | } | ||
860 | break; | ||
861 | default: | ||
862 | SMSC_TRACE(HW, "External PHY is not supported, " | ||
863 | "using internal PHY"); | ||
864 | break; | ||
865 | } | ||
866 | |||
867 | if (!pdata->using_extphy) { | ||
868 | /* Mask all PHYs except ID 1 (internal) */ | ||
869 | pdata->mii_bus->phy_mask = ~(1 << 1); | ||
870 | } | ||
871 | |||
872 | if (mdiobus_register(pdata->mii_bus)) { | ||
873 | SMSC_WARNING(PROBE, "Error registering mii bus"); | ||
874 | goto err_out_free_bus_2; | ||
875 | } | ||
876 | |||
877 | if (smsc911x_mii_probe(dev) < 0) { | ||
878 | SMSC_WARNING(PROBE, "Error registering mii bus"); | ||
879 | goto err_out_unregister_bus_3; | ||
880 | } | ||
881 | |||
882 | return 0; | ||
883 | |||
884 | err_out_unregister_bus_3: | ||
885 | mdiobus_unregister(pdata->mii_bus); | ||
886 | err_out_free_bus_2: | ||
887 | mdiobus_free(pdata->mii_bus); | ||
888 | err_out_1: | ||
889 | return err; | ||
890 | } | ||
891 | |||
892 | /* Gets the number of tx statuses in the fifo */ | ||
893 | static unsigned int smsc911x_tx_get_txstatcount(struct smsc911x_data *pdata) | ||
894 | { | ||
895 | return (smsc911x_reg_read(pdata, TX_FIFO_INF) | ||
896 | & TX_FIFO_INF_TSUSED_) >> 16; | ||
897 | } | ||
898 | |||
899 | /* Reads tx statuses and increments counters where necessary */ | ||
900 | static void smsc911x_tx_update_txcounters(struct net_device *dev) | ||
901 | { | ||
902 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
903 | unsigned int tx_stat; | ||
904 | |||
905 | while ((tx_stat = smsc911x_tx_get_txstatus(pdata)) != 0) { | ||
906 | if (unlikely(tx_stat & 0x80000000)) { | ||
907 | /* In this driver the packet tag is used as the packet | ||
908 | * length. Since a packet length can never reach the | ||
909 | * size of 0x8000, this bit is reserved. It is worth | ||
910 | * noting that the "reserved bit" in the warning above | ||
911 | * does not reference a hardware defined reserved bit | ||
912 | * but rather a driver defined one. | ||
913 | */ | ||
914 | SMSC_WARNING(HW, | ||
915 | "Packet tag reserved bit is high"); | ||
916 | } else { | ||
917 | if (unlikely(tx_stat & 0x00008000)) { | ||
918 | dev->stats.tx_errors++; | ||
919 | } else { | ||
920 | dev->stats.tx_packets++; | ||
921 | dev->stats.tx_bytes += (tx_stat >> 16); | ||
922 | } | ||
923 | if (unlikely(tx_stat & 0x00000100)) { | ||
924 | dev->stats.collisions += 16; | ||
925 | dev->stats.tx_aborted_errors += 1; | ||
926 | } else { | ||
927 | dev->stats.collisions += | ||
928 | ((tx_stat >> 3) & 0xF); | ||
929 | } | ||
930 | if (unlikely(tx_stat & 0x00000800)) | ||
931 | dev->stats.tx_carrier_errors += 1; | ||
932 | if (unlikely(tx_stat & 0x00000200)) { | ||
933 | dev->stats.collisions++; | ||
934 | dev->stats.tx_aborted_errors++; | ||
935 | } | ||
936 | } | ||
937 | } | ||
938 | } | ||
939 | |||
940 | /* Increments the Rx error counters */ | ||
941 | static void | ||
942 | smsc911x_rx_counterrors(struct net_device *dev, unsigned int rxstat) | ||
943 | { | ||
944 | int crc_err = 0; | ||
945 | |||
946 | if (unlikely(rxstat & 0x00008000)) { | ||
947 | dev->stats.rx_errors++; | ||
948 | if (unlikely(rxstat & 0x00000002)) { | ||
949 | dev->stats.rx_crc_errors++; | ||
950 | crc_err = 1; | ||
951 | } | ||
952 | } | ||
953 | if (likely(!crc_err)) { | ||
954 | if (unlikely((rxstat & 0x00001020) == 0x00001020)) { | ||
955 | /* Frame type indicates length, | ||
956 | * and length error is set */ | ||
957 | dev->stats.rx_length_errors++; | ||
958 | } | ||
959 | if (rxstat & RX_STS_MCAST_) | ||
960 | dev->stats.multicast++; | ||
961 | } | ||
962 | } | ||
963 | |||
964 | /* Quickly dumps bad packets */ | ||
965 | static void | ||
966 | smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes) | ||
967 | { | ||
968 | unsigned int pktwords = (pktbytes + NET_IP_ALIGN + 3) >> 2; | ||
969 | |||
970 | if (likely(pktwords >= 4)) { | ||
971 | unsigned int timeout = 500; | ||
972 | unsigned int val; | ||
973 | smsc911x_reg_write(pdata, RX_DP_CTRL, RX_DP_CTRL_RX_FFWD_); | ||
974 | do { | ||
975 | udelay(1); | ||
976 | val = smsc911x_reg_read(pdata, RX_DP_CTRL); | ||
977 | } while (timeout-- && (val & RX_DP_CTRL_RX_FFWD_)); | ||
978 | |||
979 | if (unlikely(timeout == 0)) | ||
980 | SMSC_WARNING(HW, "Timed out waiting for " | ||
981 | "RX FFWD to finish, RX_DP_CTRL: 0x%08X", val); | ||
982 | } else { | ||
983 | unsigned int temp; | ||
984 | while (pktwords--) | ||
985 | temp = smsc911x_reg_read(pdata, RX_DATA_FIFO); | ||
986 | } | ||
987 | } | ||
988 | |||
989 | /* NAPI poll function */ | ||
990 | static int smsc911x_poll(struct napi_struct *napi, int budget) | ||
991 | { | ||
992 | struct smsc911x_data *pdata = | ||
993 | container_of(napi, struct smsc911x_data, napi); | ||
994 | struct net_device *dev = pdata->dev; | ||
995 | int npackets = 0; | ||
996 | |||
997 | while (likely(netif_running(dev)) && (npackets < budget)) { | ||
998 | unsigned int pktlength; | ||
999 | unsigned int pktwords; | ||
1000 | struct sk_buff *skb; | ||
1001 | unsigned int rxstat = smsc911x_rx_get_rxstatus(pdata); | ||
1002 | |||
1003 | if (!rxstat) { | ||
1004 | unsigned int temp; | ||
1005 | /* We processed all packets available. Tell NAPI it can | ||
1006 | * stop polling then re-enable rx interrupts */ | ||
1007 | smsc911x_reg_write(pdata, INT_STS, INT_STS_RSFL_); | ||
1008 | netif_rx_complete(dev, napi); | ||
1009 | temp = smsc911x_reg_read(pdata, INT_EN); | ||
1010 | temp |= INT_EN_RSFL_EN_; | ||
1011 | smsc911x_reg_write(pdata, INT_EN, temp); | ||
1012 | break; | ||
1013 | } | ||
1014 | |||
1015 | /* Count packet for NAPI scheduling, even if it has an error. | ||
1016 | * Error packets still require cycles to discard */ | ||
1017 | npackets++; | ||
1018 | |||
1019 | pktlength = ((rxstat & 0x3FFF0000) >> 16); | ||
1020 | pktwords = (pktlength + NET_IP_ALIGN + 3) >> 2; | ||
1021 | smsc911x_rx_counterrors(dev, rxstat); | ||
1022 | |||
1023 | if (unlikely(rxstat & RX_STS_ES_)) { | ||
1024 | SMSC_WARNING(RX_ERR, | ||
1025 | "Discarding packet with error bit set"); | ||
1026 | /* Packet has an error, discard it and continue with | ||
1027 | * the next */ | ||
1028 | smsc911x_rx_fastforward(pdata, pktwords); | ||
1029 | dev->stats.rx_dropped++; | ||
1030 | continue; | ||
1031 | } | ||
1032 | |||
1033 | skb = netdev_alloc_skb(dev, pktlength + NET_IP_ALIGN); | ||
1034 | if (unlikely(!skb)) { | ||
1035 | SMSC_WARNING(RX_ERR, | ||
1036 | "Unable to allocate skb for rx packet"); | ||
1037 | /* Drop the packet and stop this polling iteration */ | ||
1038 | smsc911x_rx_fastforward(pdata, pktwords); | ||
1039 | dev->stats.rx_dropped++; | ||
1040 | break; | ||
1041 | } | ||
1042 | |||
1043 | skb->data = skb->head; | ||
1044 | skb_reset_tail_pointer(skb); | ||
1045 | |||
1046 | /* Align IP on 16B boundary */ | ||
1047 | skb_reserve(skb, NET_IP_ALIGN); | ||
1048 | skb_put(skb, pktlength - 4); | ||
1049 | smsc911x_rx_readfifo(pdata, (unsigned int *)skb->head, | ||
1050 | pktwords); | ||
1051 | skb->protocol = eth_type_trans(skb, dev); | ||
1052 | skb->ip_summed = CHECKSUM_NONE; | ||
1053 | netif_receive_skb(skb); | ||
1054 | |||
1055 | /* Update counters */ | ||
1056 | dev->stats.rx_packets++; | ||
1057 | dev->stats.rx_bytes += (pktlength - 4); | ||
1058 | dev->last_rx = jiffies; | ||
1059 | } | ||
1060 | |||
1061 | /* Return total received packets */ | ||
1062 | return npackets; | ||
1063 | } | ||
1064 | |||
1065 | /* Returns hash bit number for given MAC address | ||
1066 | * Example: | ||
1067 | * 01 00 5E 00 00 01 -> returns bit number 31 */ | ||
1068 | static unsigned int smsc911x_hash(char addr[ETH_ALEN]) | ||
1069 | { | ||
1070 | return (ether_crc(ETH_ALEN, addr) >> 26) & 0x3f; | ||
1071 | } | ||
1072 | |||
1073 | static void smsc911x_rx_multicast_update(struct smsc911x_data *pdata) | ||
1074 | { | ||
1075 | /* Performs the multicast & mac_cr update. This is called when | ||
1076 | * safe on the current hardware, and with the mac_lock held */ | ||
1077 | unsigned int mac_cr; | ||
1078 | |||
1079 | SMSC_ASSERT_MAC_LOCK(pdata); | ||
1080 | |||
1081 | mac_cr = smsc911x_mac_read(pdata, MAC_CR); | ||
1082 | mac_cr |= pdata->set_bits_mask; | ||
1083 | mac_cr &= ~(pdata->clear_bits_mask); | ||
1084 | smsc911x_mac_write(pdata, MAC_CR, mac_cr); | ||
1085 | smsc911x_mac_write(pdata, HASHH, pdata->hashhi); | ||
1086 | smsc911x_mac_write(pdata, HASHL, pdata->hashlo); | ||
1087 | SMSC_TRACE(HW, "maccr 0x%08X, HASHH 0x%08X, HASHL 0x%08X", | ||
1088 | mac_cr, pdata->hashhi, pdata->hashlo); | ||
1089 | } | ||
1090 | |||
1091 | static void smsc911x_rx_multicast_update_workaround(struct smsc911x_data *pdata) | ||
1092 | { | ||
1093 | unsigned int mac_cr; | ||
1094 | |||
1095 | /* This function is only called for older LAN911x devices | ||
1096 | * (revA or revB), where MAC_CR, HASHH and HASHL should not | ||
1097 | * be modified during Rx - newer devices immediately update the | ||
1098 | * registers. | ||
1099 | * | ||
1100 | * This is called from interrupt context */ | ||
1101 | |||
1102 | spin_lock(&pdata->mac_lock); | ||
1103 | |||
1104 | /* Check Rx has stopped */ | ||
1105 | if (smsc911x_mac_read(pdata, MAC_CR) & MAC_CR_RXEN_) | ||
1106 | SMSC_WARNING(DRV, "Rx not stopped"); | ||
1107 | |||
1108 | /* Perform the update - safe to do now Rx has stopped */ | ||
1109 | smsc911x_rx_multicast_update(pdata); | ||
1110 | |||
1111 | /* Re-enable Rx */ | ||
1112 | mac_cr = smsc911x_mac_read(pdata, MAC_CR); | ||
1113 | mac_cr |= MAC_CR_RXEN_; | ||
1114 | smsc911x_mac_write(pdata, MAC_CR, mac_cr); | ||
1115 | |||
1116 | pdata->multicast_update_pending = 0; | ||
1117 | |||
1118 | spin_unlock(&pdata->mac_lock); | ||
1119 | } | ||
1120 | |||
1121 | static int smsc911x_soft_reset(struct smsc911x_data *pdata) | ||
1122 | { | ||
1123 | unsigned int timeout; | ||
1124 | unsigned int temp; | ||
1125 | |||
1126 | /* Reset the LAN911x */ | ||
1127 | smsc911x_reg_write(pdata, HW_CFG, HW_CFG_SRST_); | ||
1128 | timeout = 10; | ||
1129 | do { | ||
1130 | udelay(10); | ||
1131 | temp = smsc911x_reg_read(pdata, HW_CFG); | ||
1132 | } while ((--timeout) && (temp & HW_CFG_SRST_)); | ||
1133 | |||
1134 | if (unlikely(temp & HW_CFG_SRST_)) { | ||
1135 | SMSC_WARNING(DRV, "Failed to complete reset"); | ||
1136 | return -EIO; | ||
1137 | } | ||
1138 | return 0; | ||
1139 | } | ||
1140 | |||
1141 | /* Sets the device MAC address to dev_addr, called with mac_lock held */ | ||
1142 | static void | ||
1143 | smsc911x_set_mac_address(struct smsc911x_data *pdata, u8 dev_addr[6]) | ||
1144 | { | ||
1145 | u32 mac_high16 = (dev_addr[5] << 8) | dev_addr[4]; | ||
1146 | u32 mac_low32 = (dev_addr[3] << 24) | (dev_addr[2] << 16) | | ||
1147 | (dev_addr[1] << 8) | dev_addr[0]; | ||
1148 | |||
1149 | SMSC_ASSERT_MAC_LOCK(pdata); | ||
1150 | |||
1151 | smsc911x_mac_write(pdata, ADDRH, mac_high16); | ||
1152 | smsc911x_mac_write(pdata, ADDRL, mac_low32); | ||
1153 | } | ||
1154 | |||
1155 | static int smsc911x_open(struct net_device *dev) | ||
1156 | { | ||
1157 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1158 | unsigned int timeout; | ||
1159 | unsigned int temp; | ||
1160 | unsigned int intcfg; | ||
1161 | |||
1162 | /* if the phy is not yet registered, retry later*/ | ||
1163 | if (!pdata->phy_dev) { | ||
1164 | SMSC_WARNING(HW, "phy_dev is NULL"); | ||
1165 | return -EAGAIN; | ||
1166 | } | ||
1167 | |||
1168 | if (!is_valid_ether_addr(dev->dev_addr)) { | ||
1169 | SMSC_WARNING(HW, "dev_addr is not a valid MAC address"); | ||
1170 | return -EADDRNOTAVAIL; | ||
1171 | } | ||
1172 | |||
1173 | /* Reset the LAN911x */ | ||
1174 | if (smsc911x_soft_reset(pdata)) { | ||
1175 | SMSC_WARNING(HW, "soft reset failed"); | ||
1176 | return -EIO; | ||
1177 | } | ||
1178 | |||
1179 | smsc911x_reg_write(pdata, HW_CFG, 0x00050000); | ||
1180 | smsc911x_reg_write(pdata, AFC_CFG, 0x006E3740); | ||
1181 | |||
1182 | /* Make sure EEPROM has finished loading before setting GPIO_CFG */ | ||
1183 | timeout = 50; | ||
1184 | while ((timeout--) && | ||
1185 | (smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_)) { | ||
1186 | udelay(10); | ||
1187 | } | ||
1188 | |||
1189 | if (unlikely(timeout == 0)) | ||
1190 | SMSC_WARNING(IFUP, | ||
1191 | "Timed out waiting for EEPROM busy bit to clear"); | ||
1192 | |||
1193 | smsc911x_reg_write(pdata, GPIO_CFG, 0x70070000); | ||
1194 | |||
1195 | /* The soft reset above cleared the device's MAC address, | ||
1196 | * restore it from local copy (set in probe) */ | ||
1197 | spin_lock_irq(&pdata->mac_lock); | ||
1198 | smsc911x_set_mac_address(pdata, dev->dev_addr); | ||
1199 | spin_unlock_irq(&pdata->mac_lock); | ||
1200 | |||
1201 | /* Initialise irqs, but leave all sources disabled */ | ||
1202 | smsc911x_reg_write(pdata, INT_EN, 0); | ||
1203 | smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF); | ||
1204 | |||
1205 | /* Set interrupt deassertion to 100uS */ | ||
1206 | intcfg = ((10 << 24) | INT_CFG_IRQ_EN_); | ||
1207 | |||
1208 | if (pdata->irq_polarity) { | ||
1209 | SMSC_TRACE(IFUP, "irq polarity: active high"); | ||
1210 | intcfg |= INT_CFG_IRQ_POL_; | ||
1211 | } else { | ||
1212 | SMSC_TRACE(IFUP, "irq polarity: active low"); | ||
1213 | } | ||
1214 | |||
1215 | if (pdata->irq_type) { | ||
1216 | SMSC_TRACE(IFUP, "irq type: push-pull"); | ||
1217 | intcfg |= INT_CFG_IRQ_TYPE_; | ||
1218 | } else { | ||
1219 | SMSC_TRACE(IFUP, "irq type: open drain"); | ||
1220 | } | ||
1221 | |||
1222 | smsc911x_reg_write(pdata, INT_CFG, intcfg); | ||
1223 | |||
1224 | SMSC_TRACE(IFUP, "Testing irq handler using IRQ %d", dev->irq); | ||
1225 | pdata->software_irq_signal = 0; | ||
1226 | smp_wmb(); | ||
1227 | |||
1228 | temp = smsc911x_reg_read(pdata, INT_EN); | ||
1229 | temp |= INT_EN_SW_INT_EN_; | ||
1230 | smsc911x_reg_write(pdata, INT_EN, temp); | ||
1231 | |||
1232 | timeout = 1000; | ||
1233 | while (timeout--) { | ||
1234 | if (pdata->software_irq_signal) | ||
1235 | break; | ||
1236 | msleep(1); | ||
1237 | } | ||
1238 | |||
1239 | if (!pdata->software_irq_signal) { | ||
1240 | dev_warn(&dev->dev, "ISR failed signaling test (IRQ %d)\n", | ||
1241 | dev->irq); | ||
1242 | return -ENODEV; | ||
1243 | } | ||
1244 | SMSC_TRACE(IFUP, "IRQ handler passed test using IRQ %d", dev->irq); | ||
1245 | |||
1246 | dev_info(&dev->dev, "SMSC911x/921x identified at %#08lx, IRQ: %d\n", | ||
1247 | (unsigned long)pdata->ioaddr, dev->irq); | ||
1248 | |||
1249 | /* Bring the PHY up */ | ||
1250 | phy_start(pdata->phy_dev); | ||
1251 | |||
1252 | temp = smsc911x_reg_read(pdata, HW_CFG); | ||
1253 | /* Preserve TX FIFO size and external PHY configuration */ | ||
1254 | temp &= (HW_CFG_TX_FIF_SZ_|0x00000FFF); | ||
1255 | temp |= HW_CFG_SF_; | ||
1256 | smsc911x_reg_write(pdata, HW_CFG, temp); | ||
1257 | |||
1258 | temp = smsc911x_reg_read(pdata, FIFO_INT); | ||
1259 | temp |= FIFO_INT_TX_AVAIL_LEVEL_; | ||
1260 | temp &= ~(FIFO_INT_RX_STS_LEVEL_); | ||
1261 | smsc911x_reg_write(pdata, FIFO_INT, temp); | ||
1262 | |||
1263 | /* set RX Data offset to 2 bytes for alignment */ | ||
1264 | smsc911x_reg_write(pdata, RX_CFG, (2 << 8)); | ||
1265 | |||
1266 | /* enable NAPI polling before enabling RX interrupts */ | ||
1267 | napi_enable(&pdata->napi); | ||
1268 | |||
1269 | temp = smsc911x_reg_read(pdata, INT_EN); | ||
1270 | temp |= (INT_EN_TDFA_EN_ | INT_EN_RSFL_EN_); | ||
1271 | smsc911x_reg_write(pdata, INT_EN, temp); | ||
1272 | |||
1273 | spin_lock_irq(&pdata->mac_lock); | ||
1274 | temp = smsc911x_mac_read(pdata, MAC_CR); | ||
1275 | temp |= (MAC_CR_TXEN_ | MAC_CR_RXEN_ | MAC_CR_HBDIS_); | ||
1276 | smsc911x_mac_write(pdata, MAC_CR, temp); | ||
1277 | spin_unlock_irq(&pdata->mac_lock); | ||
1278 | |||
1279 | smsc911x_reg_write(pdata, TX_CFG, TX_CFG_TX_ON_); | ||
1280 | |||
1281 | netif_start_queue(dev); | ||
1282 | return 0; | ||
1283 | } | ||
1284 | |||
1285 | /* Entry point for stopping the interface */ | ||
1286 | static int smsc911x_stop(struct net_device *dev) | ||
1287 | { | ||
1288 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1289 | unsigned int temp; | ||
1290 | |||
1291 | BUG_ON(!pdata->phy_dev); | ||
1292 | |||
1293 | /* Disable all device interrupts */ | ||
1294 | temp = smsc911x_reg_read(pdata, INT_CFG); | ||
1295 | temp &= ~INT_CFG_IRQ_EN_; | ||
1296 | smsc911x_reg_write(pdata, INT_CFG, temp); | ||
1297 | |||
1298 | /* Stop Tx and Rx polling */ | ||
1299 | netif_stop_queue(dev); | ||
1300 | napi_disable(&pdata->napi); | ||
1301 | |||
1302 | /* At this point all Rx and Tx activity is stopped */ | ||
1303 | dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP); | ||
1304 | smsc911x_tx_update_txcounters(dev); | ||
1305 | |||
1306 | /* Bring the PHY down */ | ||
1307 | phy_stop(pdata->phy_dev); | ||
1308 | |||
1309 | SMSC_TRACE(IFDOWN, "Interface stopped"); | ||
1310 | return 0; | ||
1311 | } | ||
1312 | |||
1313 | /* Entry point for transmitting a packet */ | ||
1314 | static int smsc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | ||
1315 | { | ||
1316 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1317 | unsigned int freespace; | ||
1318 | unsigned int tx_cmd_a; | ||
1319 | unsigned int tx_cmd_b; | ||
1320 | unsigned int temp; | ||
1321 | u32 wrsz; | ||
1322 | ulong bufp; | ||
1323 | |||
1324 | freespace = smsc911x_reg_read(pdata, TX_FIFO_INF) & TX_FIFO_INF_TDFREE_; | ||
1325 | |||
1326 | if (unlikely(freespace < TX_FIFO_LOW_THRESHOLD)) | ||
1327 | SMSC_WARNING(TX_ERR, | ||
1328 | "Tx data fifo low, space available: %d", freespace); | ||
1329 | |||
1330 | /* Word alignment adjustment */ | ||
1331 | tx_cmd_a = (u32)((ulong)skb->data & 0x03) << 16; | ||
1332 | tx_cmd_a |= TX_CMD_A_FIRST_SEG_ | TX_CMD_A_LAST_SEG_; | ||
1333 | tx_cmd_a |= (unsigned int)skb->len; | ||
1334 | |||
1335 | tx_cmd_b = ((unsigned int)skb->len) << 16; | ||
1336 | tx_cmd_b |= (unsigned int)skb->len; | ||
1337 | |||
1338 | smsc911x_reg_write(pdata, TX_DATA_FIFO, tx_cmd_a); | ||
1339 | smsc911x_reg_write(pdata, TX_DATA_FIFO, tx_cmd_b); | ||
1340 | |||
1341 | bufp = (ulong)skb->data & (~0x3); | ||
1342 | wrsz = (u32)skb->len + 3; | ||
1343 | wrsz += (u32)((ulong)skb->data & 0x3); | ||
1344 | wrsz >>= 2; | ||
1345 | |||
1346 | smsc911x_tx_writefifo(pdata, (unsigned int *)bufp, wrsz); | ||
1347 | freespace -= (skb->len + 32); | ||
1348 | dev_kfree_skb(skb); | ||
1349 | dev->trans_start = jiffies; | ||
1350 | |||
1351 | if (unlikely(smsc911x_tx_get_txstatcount(pdata) >= 30)) | ||
1352 | smsc911x_tx_update_txcounters(dev); | ||
1353 | |||
1354 | if (freespace < TX_FIFO_LOW_THRESHOLD) { | ||
1355 | netif_stop_queue(dev); | ||
1356 | temp = smsc911x_reg_read(pdata, FIFO_INT); | ||
1357 | temp &= 0x00FFFFFF; | ||
1358 | temp |= 0x32000000; | ||
1359 | smsc911x_reg_write(pdata, FIFO_INT, temp); | ||
1360 | } | ||
1361 | |||
1362 | return NETDEV_TX_OK; | ||
1363 | } | ||
1364 | |||
1365 | /* Entry point for getting status counters */ | ||
1366 | static struct net_device_stats *smsc911x_get_stats(struct net_device *dev) | ||
1367 | { | ||
1368 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1369 | smsc911x_tx_update_txcounters(dev); | ||
1370 | dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP); | ||
1371 | return &dev->stats; | ||
1372 | } | ||
1373 | |||
1374 | /* Entry point for setting addressing modes */ | ||
1375 | static void smsc911x_set_multicast_list(struct net_device *dev) | ||
1376 | { | ||
1377 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1378 | unsigned long flags; | ||
1379 | |||
1380 | if (dev->flags & IFF_PROMISC) { | ||
1381 | /* Enabling promiscuous mode */ | ||
1382 | pdata->set_bits_mask = MAC_CR_PRMS_; | ||
1383 | pdata->clear_bits_mask = (MAC_CR_MCPAS_ | MAC_CR_HPFILT_); | ||
1384 | pdata->hashhi = 0; | ||
1385 | pdata->hashlo = 0; | ||
1386 | } else if (dev->flags & IFF_ALLMULTI) { | ||
1387 | /* Enabling all multicast mode */ | ||
1388 | pdata->set_bits_mask = MAC_CR_MCPAS_; | ||
1389 | pdata->clear_bits_mask = (MAC_CR_PRMS_ | MAC_CR_HPFILT_); | ||
1390 | pdata->hashhi = 0; | ||
1391 | pdata->hashlo = 0; | ||
1392 | } else if (dev->mc_count > 0) { | ||
1393 | /* Enabling specific multicast addresses */ | ||
1394 | unsigned int hash_high = 0; | ||
1395 | unsigned int hash_low = 0; | ||
1396 | unsigned int count = 0; | ||
1397 | struct dev_mc_list *mc_list = dev->mc_list; | ||
1398 | |||
1399 | pdata->set_bits_mask = MAC_CR_HPFILT_; | ||
1400 | pdata->clear_bits_mask = (MAC_CR_PRMS_ | MAC_CR_MCPAS_); | ||
1401 | |||
1402 | while (mc_list) { | ||
1403 | count++; | ||
1404 | if ((mc_list->dmi_addrlen) == ETH_ALEN) { | ||
1405 | unsigned int bitnum = | ||
1406 | smsc911x_hash(mc_list->dmi_addr); | ||
1407 | unsigned int mask = 0x01 << (bitnum & 0x1F); | ||
1408 | if (bitnum & 0x20) | ||
1409 | hash_high |= mask; | ||
1410 | else | ||
1411 | hash_low |= mask; | ||
1412 | } else { | ||
1413 | SMSC_WARNING(DRV, "dmi_addrlen != 6"); | ||
1414 | } | ||
1415 | mc_list = mc_list->next; | ||
1416 | } | ||
1417 | if (count != (unsigned int)dev->mc_count) | ||
1418 | SMSC_WARNING(DRV, "mc_count != dev->mc_count"); | ||
1419 | |||
1420 | pdata->hashhi = hash_high; | ||
1421 | pdata->hashlo = hash_low; | ||
1422 | } else { | ||
1423 | /* Enabling local MAC address only */ | ||
1424 | pdata->set_bits_mask = 0; | ||
1425 | pdata->clear_bits_mask = | ||
1426 | (MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_); | ||
1427 | pdata->hashhi = 0; | ||
1428 | pdata->hashlo = 0; | ||
1429 | } | ||
1430 | |||
1431 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
1432 | |||
1433 | if (pdata->generation <= 1) { | ||
1434 | /* Older hardware revision - cannot change these flags while | ||
1435 | * receiving data */ | ||
1436 | if (!pdata->multicast_update_pending) { | ||
1437 | unsigned int temp; | ||
1438 | SMSC_TRACE(HW, "scheduling mcast update"); | ||
1439 | pdata->multicast_update_pending = 1; | ||
1440 | |||
1441 | /* Request the hardware to stop, then perform the | ||
1442 | * update when we get an RX_STOP interrupt */ | ||
1443 | smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_); | ||
1444 | temp = smsc911x_reg_read(pdata, INT_EN); | ||
1445 | temp |= INT_EN_RXSTOP_INT_EN_; | ||
1446 | smsc911x_reg_write(pdata, INT_EN, temp); | ||
1447 | |||
1448 | temp = smsc911x_mac_read(pdata, MAC_CR); | ||
1449 | temp &= ~(MAC_CR_RXEN_); | ||
1450 | smsc911x_mac_write(pdata, MAC_CR, temp); | ||
1451 | } else { | ||
1452 | /* There is another update pending, this should now | ||
1453 | * use the newer values */ | ||
1454 | } | ||
1455 | } else { | ||
1456 | /* Newer hardware revision - can write immediately */ | ||
1457 | smsc911x_rx_multicast_update(pdata); | ||
1458 | } | ||
1459 | |||
1460 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
1461 | } | ||
1462 | |||
1463 | static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id) | ||
1464 | { | ||
1465 | struct net_device *dev = dev_id; | ||
1466 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1467 | u32 intsts = smsc911x_reg_read(pdata, INT_STS); | ||
1468 | u32 inten = smsc911x_reg_read(pdata, INT_EN); | ||
1469 | int serviced = IRQ_NONE; | ||
1470 | u32 temp; | ||
1471 | |||
1472 | if (unlikely(intsts & inten & INT_STS_SW_INT_)) { | ||
1473 | temp = smsc911x_reg_read(pdata, INT_EN); | ||
1474 | temp &= (~INT_EN_SW_INT_EN_); | ||
1475 | smsc911x_reg_write(pdata, INT_EN, temp); | ||
1476 | smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_); | ||
1477 | pdata->software_irq_signal = 1; | ||
1478 | smp_wmb(); | ||
1479 | serviced = IRQ_HANDLED; | ||
1480 | } | ||
1481 | |||
1482 | if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) { | ||
1483 | /* Called when there is a multicast update scheduled and | ||
1484 | * it is now safe to complete the update */ | ||
1485 | SMSC_TRACE(INTR, "RX Stop interrupt"); | ||
1486 | temp = smsc911x_reg_read(pdata, INT_EN); | ||
1487 | temp &= (~INT_EN_RXSTOP_INT_EN_); | ||
1488 | smsc911x_reg_write(pdata, INT_EN, temp); | ||
1489 | smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_); | ||
1490 | smsc911x_rx_multicast_update_workaround(pdata); | ||
1491 | serviced = IRQ_HANDLED; | ||
1492 | } | ||
1493 | |||
1494 | if (intsts & inten & INT_STS_TDFA_) { | ||
1495 | temp = smsc911x_reg_read(pdata, FIFO_INT); | ||
1496 | temp |= FIFO_INT_TX_AVAIL_LEVEL_; | ||
1497 | smsc911x_reg_write(pdata, FIFO_INT, temp); | ||
1498 | smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_); | ||
1499 | netif_wake_queue(dev); | ||
1500 | serviced = IRQ_HANDLED; | ||
1501 | } | ||
1502 | |||
1503 | if (unlikely(intsts & inten & INT_STS_RXE_)) { | ||
1504 | SMSC_TRACE(INTR, "RX Error interrupt"); | ||
1505 | smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_); | ||
1506 | serviced = IRQ_HANDLED; | ||
1507 | } | ||
1508 | |||
1509 | if (likely(intsts & inten & INT_STS_RSFL_)) { | ||
1510 | if (likely(netif_rx_schedule_prep(dev, &pdata->napi))) { | ||
1511 | /* Disable Rx interrupts */ | ||
1512 | temp = smsc911x_reg_read(pdata, INT_EN); | ||
1513 | temp &= (~INT_EN_RSFL_EN_); | ||
1514 | smsc911x_reg_write(pdata, INT_EN, temp); | ||
1515 | /* Schedule a NAPI poll */ | ||
1516 | __netif_rx_schedule(dev, &pdata->napi); | ||
1517 | } else { | ||
1518 | SMSC_WARNING(RX_ERR, | ||
1519 | "netif_rx_schedule_prep failed"); | ||
1520 | } | ||
1521 | serviced = IRQ_HANDLED; | ||
1522 | } | ||
1523 | |||
1524 | return serviced; | ||
1525 | } | ||
1526 | |||
1527 | #ifdef CONFIG_NET_POLL_CONTROLLER | ||
1528 | void smsc911x_poll_controller(struct net_device *dev) | ||
1529 | { | ||
1530 | disable_irq(dev->irq); | ||
1531 | smsc911x_irqhandler(0, dev); | ||
1532 | enable_irq(dev->irq); | ||
1533 | } | ||
1534 | #endif /* CONFIG_NET_POLL_CONTROLLER */ | ||
1535 | |||
1536 | /* Standard ioctls for mii-tool */ | ||
1537 | static int smsc911x_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) | ||
1538 | { | ||
1539 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1540 | |||
1541 | if (!netif_running(dev) || !pdata->phy_dev) | ||
1542 | return -EINVAL; | ||
1543 | |||
1544 | return phy_mii_ioctl(pdata->phy_dev, if_mii(ifr), cmd); | ||
1545 | } | ||
1546 | |||
1547 | static int | ||
1548 | smsc911x_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd) | ||
1549 | { | ||
1550 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1551 | |||
1552 | cmd->maxtxpkt = 1; | ||
1553 | cmd->maxrxpkt = 1; | ||
1554 | return phy_ethtool_gset(pdata->phy_dev, cmd); | ||
1555 | } | ||
1556 | |||
1557 | static int | ||
1558 | smsc911x_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd) | ||
1559 | { | ||
1560 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1561 | |||
1562 | return phy_ethtool_sset(pdata->phy_dev, cmd); | ||
1563 | } | ||
1564 | |||
1565 | static void smsc911x_ethtool_getdrvinfo(struct net_device *dev, | ||
1566 | struct ethtool_drvinfo *info) | ||
1567 | { | ||
1568 | strlcpy(info->driver, SMSC_CHIPNAME, sizeof(info->driver)); | ||
1569 | strlcpy(info->version, SMSC_DRV_VERSION, sizeof(info->version)); | ||
1570 | strlcpy(info->bus_info, dev->dev.parent->bus_id, | ||
1571 | sizeof(info->bus_info)); | ||
1572 | } | ||
1573 | |||
1574 | static int smsc911x_ethtool_nwayreset(struct net_device *dev) | ||
1575 | { | ||
1576 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1577 | |||
1578 | return phy_start_aneg(pdata->phy_dev); | ||
1579 | } | ||
1580 | |||
1581 | static u32 smsc911x_ethtool_getmsglevel(struct net_device *dev) | ||
1582 | { | ||
1583 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1584 | return pdata->msg_enable; | ||
1585 | } | ||
1586 | |||
1587 | static void smsc911x_ethtool_setmsglevel(struct net_device *dev, u32 level) | ||
1588 | { | ||
1589 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1590 | pdata->msg_enable = level; | ||
1591 | } | ||
1592 | |||
1593 | static int smsc911x_ethtool_getregslen(struct net_device *dev) | ||
1594 | { | ||
1595 | return (((E2P_DATA - ID_REV) / 4 + 1) + (WUCSR - MAC_CR) + 1 + 32) * | ||
1596 | sizeof(u32); | ||
1597 | } | ||
1598 | |||
1599 | static void | ||
1600 | smsc911x_ethtool_getregs(struct net_device *dev, struct ethtool_regs *regs, | ||
1601 | void *buf) | ||
1602 | { | ||
1603 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1604 | struct phy_device *phy_dev = pdata->phy_dev; | ||
1605 | unsigned long flags; | ||
1606 | unsigned int i; | ||
1607 | unsigned int j = 0; | ||
1608 | u32 *data = buf; | ||
1609 | |||
1610 | regs->version = pdata->idrev; | ||
1611 | for (i = ID_REV; i <= E2P_DATA; i += (sizeof(u32))) | ||
1612 | data[j++] = smsc911x_reg_read(pdata, i); | ||
1613 | |||
1614 | for (i = MAC_CR; i <= WUCSR; i++) { | ||
1615 | spin_lock_irqsave(&pdata->mac_lock, flags); | ||
1616 | data[j++] = smsc911x_mac_read(pdata, i); | ||
1617 | spin_unlock_irqrestore(&pdata->mac_lock, flags); | ||
1618 | } | ||
1619 | |||
1620 | for (i = 0; i <= 31; i++) | ||
1621 | data[j++] = smsc911x_mii_read(phy_dev->bus, phy_dev->addr, i); | ||
1622 | } | ||
1623 | |||
1624 | static void smsc911x_eeprom_enable_access(struct smsc911x_data *pdata) | ||
1625 | { | ||
1626 | unsigned int temp = smsc911x_reg_read(pdata, GPIO_CFG); | ||
1627 | temp &= ~GPIO_CFG_EEPR_EN_; | ||
1628 | smsc911x_reg_write(pdata, GPIO_CFG, temp); | ||
1629 | msleep(1); | ||
1630 | } | ||
1631 | |||
1632 | static int smsc911x_eeprom_send_cmd(struct smsc911x_data *pdata, u32 op) | ||
1633 | { | ||
1634 | int timeout = 100; | ||
1635 | u32 e2cmd; | ||
1636 | |||
1637 | SMSC_TRACE(DRV, "op 0x%08x", op); | ||
1638 | if (smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_) { | ||
1639 | SMSC_WARNING(DRV, "Busy at start"); | ||
1640 | return -EBUSY; | ||
1641 | } | ||
1642 | |||
1643 | e2cmd = op | E2P_CMD_EPC_BUSY_; | ||
1644 | smsc911x_reg_write(pdata, E2P_CMD, e2cmd); | ||
1645 | |||
1646 | do { | ||
1647 | msleep(1); | ||
1648 | e2cmd = smsc911x_reg_read(pdata, E2P_CMD); | ||
1649 | } while ((e2cmd & E2P_CMD_EPC_BUSY_) && (timeout--)); | ||
1650 | |||
1651 | if (!timeout) { | ||
1652 | SMSC_TRACE(DRV, "TIMED OUT"); | ||
1653 | return -EAGAIN; | ||
1654 | } | ||
1655 | |||
1656 | if (e2cmd & E2P_CMD_EPC_TIMEOUT_) { | ||
1657 | SMSC_TRACE(DRV, "Error occured during eeprom operation"); | ||
1658 | return -EINVAL; | ||
1659 | } | ||
1660 | |||
1661 | return 0; | ||
1662 | } | ||
1663 | |||
1664 | static int smsc911x_eeprom_read_location(struct smsc911x_data *pdata, | ||
1665 | u8 address, u8 *data) | ||
1666 | { | ||
1667 | u32 op = E2P_CMD_EPC_CMD_READ_ | address; | ||
1668 | int ret; | ||
1669 | |||
1670 | SMSC_TRACE(DRV, "address 0x%x", address); | ||
1671 | ret = smsc911x_eeprom_send_cmd(pdata, op); | ||
1672 | |||
1673 | if (!ret) | ||
1674 | data[address] = smsc911x_reg_read(pdata, E2P_DATA); | ||
1675 | |||
1676 | return ret; | ||
1677 | } | ||
1678 | |||
1679 | static int smsc911x_eeprom_write_location(struct smsc911x_data *pdata, | ||
1680 | u8 address, u8 data) | ||
1681 | { | ||
1682 | u32 op = E2P_CMD_EPC_CMD_ERASE_ | address; | ||
1683 | int ret; | ||
1684 | |||
1685 | SMSC_TRACE(DRV, "address 0x%x, data 0x%x", address, data); | ||
1686 | ret = smsc911x_eeprom_send_cmd(pdata, op); | ||
1687 | |||
1688 | if (!ret) { | ||
1689 | op = E2P_CMD_EPC_CMD_WRITE_ | address; | ||
1690 | smsc911x_reg_write(pdata, E2P_DATA, (u32)data); | ||
1691 | ret = smsc911x_eeprom_send_cmd(pdata, op); | ||
1692 | } | ||
1693 | |||
1694 | return ret; | ||
1695 | } | ||
1696 | |||
1697 | static int smsc911x_ethtool_get_eeprom_len(struct net_device *dev) | ||
1698 | { | ||
1699 | return SMSC911X_EEPROM_SIZE; | ||
1700 | } | ||
1701 | |||
1702 | static int smsc911x_ethtool_get_eeprom(struct net_device *dev, | ||
1703 | struct ethtool_eeprom *eeprom, u8 *data) | ||
1704 | { | ||
1705 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1706 | u8 eeprom_data[SMSC911X_EEPROM_SIZE]; | ||
1707 | int len; | ||
1708 | int i; | ||
1709 | |||
1710 | smsc911x_eeprom_enable_access(pdata); | ||
1711 | |||
1712 | len = min(eeprom->len, SMSC911X_EEPROM_SIZE); | ||
1713 | for (i = 0; i < len; i++) { | ||
1714 | int ret = smsc911x_eeprom_read_location(pdata, i, eeprom_data); | ||
1715 | if (ret < 0) { | ||
1716 | eeprom->len = 0; | ||
1717 | return ret; | ||
1718 | } | ||
1719 | } | ||
1720 | |||
1721 | memcpy(data, &eeprom_data[eeprom->offset], len); | ||
1722 | eeprom->len = len; | ||
1723 | return 0; | ||
1724 | } | ||
1725 | |||
1726 | static int smsc911x_ethtool_set_eeprom(struct net_device *dev, | ||
1727 | struct ethtool_eeprom *eeprom, u8 *data) | ||
1728 | { | ||
1729 | int ret; | ||
1730 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1731 | |||
1732 | smsc911x_eeprom_enable_access(pdata); | ||
1733 | smsc911x_eeprom_send_cmd(pdata, E2P_CMD_EPC_CMD_EWEN_); | ||
1734 | ret = smsc911x_eeprom_write_location(pdata, eeprom->offset, *data); | ||
1735 | smsc911x_eeprom_send_cmd(pdata, E2P_CMD_EPC_CMD_EWDS_); | ||
1736 | |||
1737 | /* Single byte write, according to man page */ | ||
1738 | eeprom->len = 1; | ||
1739 | |||
1740 | return ret; | ||
1741 | } | ||
1742 | |||
1743 | static struct ethtool_ops smsc911x_ethtool_ops = { | ||
1744 | .get_settings = smsc911x_ethtool_getsettings, | ||
1745 | .set_settings = smsc911x_ethtool_setsettings, | ||
1746 | .get_link = ethtool_op_get_link, | ||
1747 | .get_drvinfo = smsc911x_ethtool_getdrvinfo, | ||
1748 | .nway_reset = smsc911x_ethtool_nwayreset, | ||
1749 | .get_msglevel = smsc911x_ethtool_getmsglevel, | ||
1750 | .set_msglevel = smsc911x_ethtool_setmsglevel, | ||
1751 | .get_regs_len = smsc911x_ethtool_getregslen, | ||
1752 | .get_regs = smsc911x_ethtool_getregs, | ||
1753 | .get_eeprom_len = smsc911x_ethtool_get_eeprom_len, | ||
1754 | .get_eeprom = smsc911x_ethtool_get_eeprom, | ||
1755 | .set_eeprom = smsc911x_ethtool_set_eeprom, | ||
1756 | }; | ||
1757 | |||
1758 | /* Initializing private device structures, only called from probe */ | ||
1759 | static int __devinit smsc911x_init(struct net_device *dev) | ||
1760 | { | ||
1761 | struct smsc911x_data *pdata = netdev_priv(dev); | ||
1762 | unsigned int byte_test; | ||
1763 | |||
1764 | SMSC_TRACE(PROBE, "Driver Parameters:"); | ||
1765 | SMSC_TRACE(PROBE, "LAN base: 0x%08lX", | ||
1766 | (unsigned long)pdata->ioaddr); | ||
1767 | SMSC_TRACE(PROBE, "IRQ: %d", dev->irq); | ||
1768 | SMSC_TRACE(PROBE, "PHY will be autodetected."); | ||
1769 | |||
1770 | #if (!SMSC_CAN_USE_32BIT) | ||
1771 | spin_lock_init(&pdata->dev_lock); | ||
1772 | #endif | ||
1773 | |||
1774 | if (pdata->ioaddr == 0) { | ||
1775 | SMSC_WARNING(PROBE, "pdata->ioaddr: 0x00000000"); | ||
1776 | return -ENODEV; | ||
1777 | } | ||
1778 | |||
1779 | /* Check byte ordering */ | ||
1780 | byte_test = smsc911x_reg_read(pdata, BYTE_TEST); | ||
1781 | SMSC_TRACE(PROBE, "BYTE_TEST: 0x%08X", byte_test); | ||
1782 | if (byte_test == 0x43218765) { | ||
1783 | SMSC_TRACE(PROBE, "BYTE_TEST looks swapped, " | ||
1784 | "applying WORD_SWAP"); | ||
1785 | smsc911x_reg_write(pdata, WORD_SWAP, 0xffffffff); | ||
1786 | |||
1787 | /* 1 dummy read of BYTE_TEST is needed after a write to | ||
1788 | * WORD_SWAP before its contents are valid */ | ||
1789 | byte_test = smsc911x_reg_read(pdata, BYTE_TEST); | ||
1790 | |||
1791 | byte_test = smsc911x_reg_read(pdata, BYTE_TEST); | ||
1792 | } | ||
1793 | |||
1794 | if (byte_test != 0x87654321) { | ||
1795 | SMSC_WARNING(DRV, "BYTE_TEST: 0x%08X", byte_test); | ||
1796 | if (((byte_test >> 16) & 0xFFFF) == (byte_test & 0xFFFF)) { | ||
1797 | SMSC_WARNING(PROBE, | ||
1798 | "top 16 bits equal to bottom 16 bits"); | ||
1799 | SMSC_TRACE(PROBE, "This may mean the chip is set " | ||
1800 | "for 32 bit while the bus is reading 16 bit"); | ||
1801 | } | ||
1802 | return -ENODEV; | ||
1803 | } | ||
1804 | |||
1805 | /* Default generation to zero (all workarounds apply) */ | ||
1806 | pdata->generation = 0; | ||
1807 | |||
1808 | pdata->idrev = smsc911x_reg_read(pdata, ID_REV); | ||
1809 | switch (pdata->idrev & 0xFFFF0000) { | ||
1810 | case 0x01180000: | ||
1811 | case 0x01170000: | ||
1812 | case 0x01160000: | ||
1813 | case 0x01150000: | ||
1814 | /* LAN911[5678] family */ | ||
1815 | pdata->generation = pdata->idrev & 0x0000FFFF; | ||
1816 | break; | ||
1817 | |||
1818 | case 0x118A0000: | ||
1819 | case 0x117A0000: | ||
1820 | case 0x116A0000: | ||
1821 | case 0x115A0000: | ||
1822 | /* LAN921[5678] family */ | ||
1823 | pdata->generation = 3; | ||
1824 | break; | ||
1825 | |||
1826 | case 0x92100000: | ||
1827 | case 0x92110000: | ||
1828 | case 0x92200000: | ||
1829 | case 0x92210000: | ||
1830 | /* LAN9210/LAN9211/LAN9220/LAN9221 */ | ||
1831 | pdata->generation = 4; | ||
1832 | break; | ||
1833 | |||
1834 | default: | ||
1835 | SMSC_WARNING(PROBE, "LAN911x not identified, idrev: 0x%08X", | ||
1836 | pdata->idrev); | ||
1837 | return -ENODEV; | ||
1838 | } | ||
1839 | |||
1840 | SMSC_TRACE(PROBE, "LAN911x identified, idrev: 0x%08X, generation: %d", | ||
1841 | pdata->idrev, pdata->generation); | ||
1842 | |||
1843 | if (pdata->generation == 0) | ||
1844 | SMSC_WARNING(PROBE, | ||
1845 | "This driver is not intended for this chip revision"); | ||
1846 | |||
1847 | /* Reset the LAN911x */ | ||
1848 | if (smsc911x_soft_reset(pdata)) | ||
1849 | return -ENODEV; | ||
1850 | |||
1851 | /* Disable all interrupt sources until we bring the device up */ | ||
1852 | smsc911x_reg_write(pdata, INT_EN, 0); | ||
1853 | |||
1854 | ether_setup(dev); | ||
1855 | dev->open = smsc911x_open; | ||
1856 | dev->stop = smsc911x_stop; | ||
1857 | dev->hard_start_xmit = smsc911x_hard_start_xmit; | ||
1858 | dev->get_stats = smsc911x_get_stats; | ||
1859 | dev->set_multicast_list = smsc911x_set_multicast_list; | ||
1860 | dev->flags |= IFF_MULTICAST; | ||
1861 | dev->do_ioctl = smsc911x_do_ioctl; | ||
1862 | netif_napi_add(dev, &pdata->napi, smsc911x_poll, SMSC_NAPI_WEIGHT); | ||
1863 | dev->ethtool_ops = &smsc911x_ethtool_ops; | ||
1864 | |||
1865 | #ifdef CONFIG_NET_POLL_CONTROLLER | ||
1866 | dev->poll_controller = smsc911x_poll_controller; | ||
1867 | #endif /* CONFIG_NET_POLL_CONTROLLER */ | ||
1868 | |||
1869 | return 0; | ||
1870 | } | ||
1871 | |||
1872 | static int __devexit smsc911x_drv_remove(struct platform_device *pdev) | ||
1873 | { | ||
1874 | struct net_device *dev; | ||
1875 | struct smsc911x_data *pdata; | ||
1876 | struct resource *res; | ||
1877 | |||
1878 | dev = platform_get_drvdata(pdev); | ||
1879 | BUG_ON(!dev); | ||
1880 | pdata = netdev_priv(dev); | ||
1881 | BUG_ON(!pdata); | ||
1882 | BUG_ON(!pdata->ioaddr); | ||
1883 | BUG_ON(!pdata->phy_dev); | ||
1884 | |||
1885 | SMSC_TRACE(IFDOWN, "Stopping driver."); | ||
1886 | |||
1887 | phy_disconnect(pdata->phy_dev); | ||
1888 | pdata->phy_dev = NULL; | ||
1889 | mdiobus_unregister(pdata->mii_bus); | ||
1890 | mdiobus_free(pdata->mii_bus); | ||
1891 | |||
1892 | platform_set_drvdata(pdev, NULL); | ||
1893 | unregister_netdev(dev); | ||
1894 | free_irq(dev->irq, dev); | ||
1895 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, | ||
1896 | "smsc911x-memory"); | ||
1897 | if (!res) | ||
1898 | platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
1899 | |||
1900 | release_mem_region(res->start, res->end - res->start); | ||
1901 | |||
1902 | iounmap(pdata->ioaddr); | ||
1903 | |||
1904 | free_netdev(dev); | ||
1905 | |||
1906 | return 0; | ||
1907 | } | ||
1908 | |||
1909 | static int __devinit smsc911x_drv_probe(struct platform_device *pdev) | ||
1910 | { | ||
1911 | struct net_device *dev; | ||
1912 | struct smsc911x_data *pdata; | ||
1913 | struct resource *res; | ||
1914 | unsigned int intcfg = 0; | ||
1915 | int res_size; | ||
1916 | int retval; | ||
1917 | DECLARE_MAC_BUF(mac); | ||
1918 | |||
1919 | pr_info("%s: Driver version %s.\n", SMSC_CHIPNAME, SMSC_DRV_VERSION); | ||
1920 | |||
1921 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, | ||
1922 | "smsc911x-memory"); | ||
1923 | if (!res) | ||
1924 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
1925 | if (!res) { | ||
1926 | pr_warning("%s: Could not allocate resource.\n", | ||
1927 | SMSC_CHIPNAME); | ||
1928 | retval = -ENODEV; | ||
1929 | goto out_0; | ||
1930 | } | ||
1931 | res_size = res->end - res->start; | ||
1932 | |||
1933 | if (!request_mem_region(res->start, res_size, SMSC_CHIPNAME)) { | ||
1934 | retval = -EBUSY; | ||
1935 | goto out_0; | ||
1936 | } | ||
1937 | |||
1938 | dev = alloc_etherdev(sizeof(struct smsc911x_data)); | ||
1939 | if (!dev) { | ||
1940 | pr_warning("%s: Could not allocate device.\n", SMSC_CHIPNAME); | ||
1941 | retval = -ENOMEM; | ||
1942 | goto out_release_io_1; | ||
1943 | } | ||
1944 | |||
1945 | SET_NETDEV_DEV(dev, &pdev->dev); | ||
1946 | |||
1947 | pdata = netdev_priv(dev); | ||
1948 | |||
1949 | dev->irq = platform_get_irq(pdev, 0); | ||
1950 | pdata->ioaddr = ioremap_nocache(res->start, res_size); | ||
1951 | |||
1952 | /* copy config parameters across if present, otherwise pdata | ||
1953 | * defaults to zeros */ | ||
1954 | if (pdev->dev.platform_data) { | ||
1955 | struct smsc911x_platform_config *config = | ||
1956 | pdev->dev.platform_data; | ||
1957 | pdata->irq_polarity = config->irq_polarity; | ||
1958 | pdata->irq_type = config->irq_type; | ||
1959 | pdata->phy_interface = config->phy_interface; | ||
1960 | } | ||
1961 | |||
1962 | pdata->dev = dev; | ||
1963 | pdata->msg_enable = ((1 << debug) - 1); | ||
1964 | |||
1965 | if (pdata->ioaddr == NULL) { | ||
1966 | SMSC_WARNING(PROBE, | ||
1967 | "Error smsc911x base address invalid"); | ||
1968 | retval = -ENOMEM; | ||
1969 | goto out_free_netdev_2; | ||
1970 | } | ||
1971 | |||
1972 | retval = smsc911x_init(dev); | ||
1973 | if (retval < 0) | ||
1974 | goto out_unmap_io_3; | ||
1975 | |||
1976 | /* configure irq polarity and type before connecting isr */ | ||
1977 | if (pdata->irq_polarity == SMSC911X_IRQ_POLARITY_ACTIVE_HIGH) | ||
1978 | intcfg |= INT_CFG_IRQ_POL_; | ||
1979 | |||
1980 | if (pdata->irq_type == SMSC911X_IRQ_TYPE_PUSH_PULL) | ||
1981 | intcfg |= INT_CFG_IRQ_TYPE_; | ||
1982 | |||
1983 | smsc911x_reg_write(pdata, INT_CFG, intcfg); | ||
1984 | |||
1985 | /* Ensure interrupts are globally disabled before connecting ISR */ | ||
1986 | smsc911x_reg_write(pdata, INT_EN, 0); | ||
1987 | smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF); | ||
1988 | |||
1989 | retval = request_irq(dev->irq, smsc911x_irqhandler, IRQF_DISABLED, | ||
1990 | SMSC_CHIPNAME, dev); | ||
1991 | if (retval) { | ||
1992 | SMSC_WARNING(PROBE, | ||
1993 | "Unable to claim requested irq: %d", dev->irq); | ||
1994 | goto out_unmap_io_3; | ||
1995 | } | ||
1996 | |||
1997 | platform_set_drvdata(pdev, dev); | ||
1998 | |||
1999 | retval = register_netdev(dev); | ||
2000 | if (retval) { | ||
2001 | SMSC_WARNING(PROBE, | ||
2002 | "Error %i registering device", retval); | ||
2003 | goto out_unset_drvdata_4; | ||
2004 | } else { | ||
2005 | SMSC_TRACE(PROBE, "Network interface: \"%s\"", dev->name); | ||
2006 | } | ||
2007 | |||
2008 | spin_lock_init(&pdata->mac_lock); | ||
2009 | |||
2010 | retval = smsc911x_mii_init(pdev, dev); | ||
2011 | if (retval) { | ||
2012 | SMSC_WARNING(PROBE, | ||
2013 | "Error %i initialising mii", retval); | ||
2014 | goto out_unregister_netdev_5; | ||
2015 | } | ||
2016 | |||
2017 | spin_lock_irq(&pdata->mac_lock); | ||
2018 | |||
2019 | /* Check if mac address has been specified when bringing interface up */ | ||
2020 | if (is_valid_ether_addr(dev->dev_addr)) { | ||
2021 | smsc911x_set_mac_address(pdata, dev->dev_addr); | ||
2022 | SMSC_TRACE(PROBE, "MAC Address is specified by configuration"); | ||
2023 | } else { | ||
2024 | /* Try reading mac address from device. if EEPROM is present | ||
2025 | * it will already have been set */ | ||
2026 | u32 mac_high16 = smsc911x_mac_read(pdata, ADDRH); | ||
2027 | u32 mac_low32 = smsc911x_mac_read(pdata, ADDRL); | ||
2028 | dev->dev_addr[0] = (u8)(mac_low32); | ||
2029 | dev->dev_addr[1] = (u8)(mac_low32 >> 8); | ||
2030 | dev->dev_addr[2] = (u8)(mac_low32 >> 16); | ||
2031 | dev->dev_addr[3] = (u8)(mac_low32 >> 24); | ||
2032 | dev->dev_addr[4] = (u8)(mac_high16); | ||
2033 | dev->dev_addr[5] = (u8)(mac_high16 >> 8); | ||
2034 | |||
2035 | if (is_valid_ether_addr(dev->dev_addr)) { | ||
2036 | /* eeprom values are valid so use them */ | ||
2037 | SMSC_TRACE(PROBE, | ||
2038 | "Mac Address is read from LAN911x EEPROM"); | ||
2039 | } else { | ||
2040 | /* eeprom values are invalid, generate random MAC */ | ||
2041 | random_ether_addr(dev->dev_addr); | ||
2042 | smsc911x_set_mac_address(pdata, dev->dev_addr); | ||
2043 | SMSC_TRACE(PROBE, | ||
2044 | "MAC Address is set to random_ether_addr"); | ||
2045 | } | ||
2046 | } | ||
2047 | |||
2048 | spin_unlock_irq(&pdata->mac_lock); | ||
2049 | |||
2050 | dev_info(&dev->dev, "MAC Address: %s\n", | ||
2051 | print_mac(mac, dev->dev_addr)); | ||
2052 | |||
2053 | return 0; | ||
2054 | |||
2055 | out_unregister_netdev_5: | ||
2056 | unregister_netdev(dev); | ||
2057 | out_unset_drvdata_4: | ||
2058 | platform_set_drvdata(pdev, NULL); | ||
2059 | free_irq(dev->irq, dev); | ||
2060 | out_unmap_io_3: | ||
2061 | iounmap(pdata->ioaddr); | ||
2062 | out_free_netdev_2: | ||
2063 | free_netdev(dev); | ||
2064 | out_release_io_1: | ||
2065 | release_mem_region(res->start, res->end - res->start); | ||
2066 | out_0: | ||
2067 | return retval; | ||
2068 | } | ||
2069 | |||
2070 | static struct platform_driver smsc911x_driver = { | ||
2071 | .probe = smsc911x_drv_probe, | ||
2072 | .remove = smsc911x_drv_remove, | ||
2073 | .driver = { | ||
2074 | .name = SMSC_CHIPNAME, | ||
2075 | }, | ||
2076 | }; | ||
2077 | |||
2078 | /* Entry point for loading the module */ | ||
2079 | static int __init smsc911x_init_module(void) | ||
2080 | { | ||
2081 | return platform_driver_register(&smsc911x_driver); | ||
2082 | } | ||
2083 | |||
2084 | /* entry point for unloading the module */ | ||
2085 | static void __exit smsc911x_cleanup_module(void) | ||
2086 | { | ||
2087 | platform_driver_unregister(&smsc911x_driver); | ||
2088 | } | ||
2089 | |||
2090 | module_init(smsc911x_init_module); | ||
2091 | module_exit(smsc911x_cleanup_module); | ||
diff --git a/drivers/net/smsc911x.h b/drivers/net/smsc911x.h new file mode 100644 index 000000000000..feb36de274ca --- /dev/null +++ b/drivers/net/smsc911x.h | |||
@@ -0,0 +1,394 @@ | |||
1 | /*************************************************************************** | ||
2 | * | ||
3 | * Copyright (C) 2004-2008 SMSC | ||
4 | * Copyright (C) 2005-2008 ARM | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
19 | * | ||
20 | ***************************************************************************/ | ||
21 | #ifndef __SMSC911X_H__ | ||
22 | #define __SMSC911X_H__ | ||
23 | |||
24 | #define SMSC_CAN_USE_32BIT 1 | ||
25 | #define TX_FIFO_LOW_THRESHOLD ((u32)1600) | ||
26 | #define SMSC911X_EEPROM_SIZE ((u32)7) | ||
27 | #define USE_DEBUG 0 | ||
28 | |||
29 | /* This is the maximum number of packets to be received every | ||
30 | * NAPI poll */ | ||
31 | #define SMSC_NAPI_WEIGHT 16 | ||
32 | |||
33 | /* implements a PHY loopback test at initialisation time, to ensure a packet | ||
34 | * can be succesfully looped back */ | ||
35 | #define USE_PHY_WORK_AROUND | ||
36 | |||
37 | #define DPRINTK(nlevel, klevel, fmt, args...) \ | ||
38 | ((void)((NETIF_MSG_##nlevel & pdata->msg_enable) && \ | ||
39 | printk(KERN_##klevel "%s: %s: " fmt "\n", \ | ||
40 | pdata->dev->name, __func__, ## args))) | ||
41 | |||
42 | #if USE_DEBUG >= 1 | ||
43 | #define SMSC_WARNING(nlevel, fmt, args...) \ | ||
44 | DPRINTK(nlevel, WARNING, fmt, ## args) | ||
45 | #else | ||
46 | #define SMSC_WARNING(nlevel, fmt, args...) \ | ||
47 | ({ do {} while (0); 0; }) | ||
48 | #endif | ||
49 | |||
50 | #if USE_DEBUG >= 2 | ||
51 | #define SMSC_TRACE(nlevel, fmt, args...) \ | ||
52 | DPRINTK(nlevel, INFO, fmt, ## args) | ||
53 | #else | ||
54 | #define SMSC_TRACE(nlevel, fmt, args...) \ | ||
55 | ({ do {} while (0); 0; }) | ||
56 | #endif | ||
57 | |||
58 | #ifdef CONFIG_DEBUG_SPINLOCK | ||
59 | #define SMSC_ASSERT_MAC_LOCK(pdata) \ | ||
60 | WARN_ON(!spin_is_locked(&pdata->mac_lock)) | ||
61 | #else | ||
62 | #define SMSC_ASSERT_MAC_LOCK(pdata) do {} while (0) | ||
63 | #endif /* CONFIG_DEBUG_SPINLOCK */ | ||
64 | |||
65 | #define FLOW_CTRL_TX (1) | ||
66 | #define FLOW_CTRL_RX (2) | ||
67 | |||
68 | /* SMSC911x registers and bitfields */ | ||
69 | #define RX_DATA_FIFO 0x00 | ||
70 | |||
71 | #define TX_DATA_FIFO 0x20 | ||
72 | #define TX_CMD_A_ON_COMP_ 0x80000000 | ||
73 | #define TX_CMD_A_BUF_END_ALGN_ 0x03000000 | ||
74 | #define TX_CMD_A_4_BYTE_ALGN_ 0x00000000 | ||
75 | #define TX_CMD_A_16_BYTE_ALGN_ 0x01000000 | ||
76 | #define TX_CMD_A_32_BYTE_ALGN_ 0x02000000 | ||
77 | #define TX_CMD_A_DATA_OFFSET_ 0x001F0000 | ||
78 | #define TX_CMD_A_FIRST_SEG_ 0x00002000 | ||
79 | #define TX_CMD_A_LAST_SEG_ 0x00001000 | ||
80 | #define TX_CMD_A_BUF_SIZE_ 0x000007FF | ||
81 | #define TX_CMD_B_PKT_TAG_ 0xFFFF0000 | ||
82 | #define TX_CMD_B_ADD_CRC_DISABLE_ 0x00002000 | ||
83 | #define TX_CMD_B_DISABLE_PADDING_ 0x00001000 | ||
84 | #define TX_CMD_B_PKT_BYTE_LENGTH_ 0x000007FF | ||
85 | |||
86 | #define RX_STATUS_FIFO 0x40 | ||
87 | #define RX_STS_ES_ 0x00008000 | ||
88 | #define RX_STS_MCAST_ 0x00000400 | ||
89 | |||
90 | #define RX_STATUS_FIFO_PEEK 0x44 | ||
91 | |||
92 | #define TX_STATUS_FIFO 0x48 | ||
93 | #define TX_STS_ES_ 0x00008000 | ||
94 | |||
95 | #define TX_STATUS_FIFO_PEEK 0x4C | ||
96 | |||
97 | #define ID_REV 0x50 | ||
98 | #define ID_REV_CHIP_ID_ 0xFFFF0000 | ||
99 | #define ID_REV_REV_ID_ 0x0000FFFF | ||
100 | |||
101 | #define INT_CFG 0x54 | ||
102 | #define INT_CFG_INT_DEAS_ 0xFF000000 | ||
103 | #define INT_CFG_INT_DEAS_CLR_ 0x00004000 | ||
104 | #define INT_CFG_INT_DEAS_STS_ 0x00002000 | ||
105 | #define INT_CFG_IRQ_INT_ 0x00001000 | ||
106 | #define INT_CFG_IRQ_EN_ 0x00000100 | ||
107 | #define INT_CFG_IRQ_POL_ 0x00000010 | ||
108 | #define INT_CFG_IRQ_TYPE_ 0x00000001 | ||
109 | |||
110 | #define INT_STS 0x58 | ||
111 | #define INT_STS_SW_INT_ 0x80000000 | ||
112 | #define INT_STS_TXSTOP_INT_ 0x02000000 | ||
113 | #define INT_STS_RXSTOP_INT_ 0x01000000 | ||
114 | #define INT_STS_RXDFH_INT_ 0x00800000 | ||
115 | #define INT_STS_RXDF_INT_ 0x00400000 | ||
116 | #define INT_STS_TX_IOC_ 0x00200000 | ||
117 | #define INT_STS_RXD_INT_ 0x00100000 | ||
118 | #define INT_STS_GPT_INT_ 0x00080000 | ||
119 | #define INT_STS_PHY_INT_ 0x00040000 | ||
120 | #define INT_STS_PME_INT_ 0x00020000 | ||
121 | #define INT_STS_TXSO_ 0x00010000 | ||
122 | #define INT_STS_RWT_ 0x00008000 | ||
123 | #define INT_STS_RXE_ 0x00004000 | ||
124 | #define INT_STS_TXE_ 0x00002000 | ||
125 | #define INT_STS_TDFU_ 0x00000800 | ||
126 | #define INT_STS_TDFO_ 0x00000400 | ||
127 | #define INT_STS_TDFA_ 0x00000200 | ||
128 | #define INT_STS_TSFF_ 0x00000100 | ||
129 | #define INT_STS_TSFL_ 0x00000080 | ||
130 | #define INT_STS_RXDF_ 0x00000040 | ||
131 | #define INT_STS_RDFL_ 0x00000020 | ||
132 | #define INT_STS_RSFF_ 0x00000010 | ||
133 | #define INT_STS_RSFL_ 0x00000008 | ||
134 | #define INT_STS_GPIO2_INT_ 0x00000004 | ||
135 | #define INT_STS_GPIO1_INT_ 0x00000002 | ||
136 | #define INT_STS_GPIO0_INT_ 0x00000001 | ||
137 | |||
138 | #define INT_EN 0x5C | ||
139 | #define INT_EN_SW_INT_EN_ 0x80000000 | ||
140 | #define INT_EN_TXSTOP_INT_EN_ 0x02000000 | ||
141 | #define INT_EN_RXSTOP_INT_EN_ 0x01000000 | ||
142 | #define INT_EN_RXDFH_INT_EN_ 0x00800000 | ||
143 | #define INT_EN_TIOC_INT_EN_ 0x00200000 | ||
144 | #define INT_EN_RXD_INT_EN_ 0x00100000 | ||
145 | #define INT_EN_GPT_INT_EN_ 0x00080000 | ||
146 | #define INT_EN_PHY_INT_EN_ 0x00040000 | ||
147 | #define INT_EN_PME_INT_EN_ 0x00020000 | ||
148 | #define INT_EN_TXSO_EN_ 0x00010000 | ||
149 | #define INT_EN_RWT_EN_ 0x00008000 | ||
150 | #define INT_EN_RXE_EN_ 0x00004000 | ||
151 | #define INT_EN_TXE_EN_ 0x00002000 | ||
152 | #define INT_EN_TDFU_EN_ 0x00000800 | ||
153 | #define INT_EN_TDFO_EN_ 0x00000400 | ||
154 | #define INT_EN_TDFA_EN_ 0x00000200 | ||
155 | #define INT_EN_TSFF_EN_ 0x00000100 | ||
156 | #define INT_EN_TSFL_EN_ 0x00000080 | ||
157 | #define INT_EN_RXDF_EN_ 0x00000040 | ||
158 | #define INT_EN_RDFL_EN_ 0x00000020 | ||
159 | #define INT_EN_RSFF_EN_ 0x00000010 | ||
160 | #define INT_EN_RSFL_EN_ 0x00000008 | ||
161 | #define INT_EN_GPIO2_INT_ 0x00000004 | ||
162 | #define INT_EN_GPIO1_INT_ 0x00000002 | ||
163 | #define INT_EN_GPIO0_INT_ 0x00000001 | ||
164 | |||
165 | #define BYTE_TEST 0x64 | ||
166 | |||
167 | #define FIFO_INT 0x68 | ||
168 | #define FIFO_INT_TX_AVAIL_LEVEL_ 0xFF000000 | ||
169 | #define FIFO_INT_TX_STS_LEVEL_ 0x00FF0000 | ||
170 | #define FIFO_INT_RX_AVAIL_LEVEL_ 0x0000FF00 | ||
171 | #define FIFO_INT_RX_STS_LEVEL_ 0x000000FF | ||
172 | |||
173 | #define RX_CFG 0x6C | ||
174 | #define RX_CFG_RX_END_ALGN_ 0xC0000000 | ||
175 | #define RX_CFG_RX_END_ALGN4_ 0x00000000 | ||
176 | #define RX_CFG_RX_END_ALGN16_ 0x40000000 | ||
177 | #define RX_CFG_RX_END_ALGN32_ 0x80000000 | ||
178 | #define RX_CFG_RX_DMA_CNT_ 0x0FFF0000 | ||
179 | #define RX_CFG_RX_DUMP_ 0x00008000 | ||
180 | #define RX_CFG_RXDOFF_ 0x00001F00 | ||
181 | |||
182 | #define TX_CFG 0x70 | ||
183 | #define TX_CFG_TXS_DUMP_ 0x00008000 | ||
184 | #define TX_CFG_TXD_DUMP_ 0x00004000 | ||
185 | #define TX_CFG_TXSAO_ 0x00000004 | ||
186 | #define TX_CFG_TX_ON_ 0x00000002 | ||
187 | #define TX_CFG_STOP_TX_ 0x00000001 | ||
188 | |||
189 | #define HW_CFG 0x74 | ||
190 | #define HW_CFG_TTM_ 0x00200000 | ||
191 | #define HW_CFG_SF_ 0x00100000 | ||
192 | #define HW_CFG_TX_FIF_SZ_ 0x000F0000 | ||
193 | #define HW_CFG_TR_ 0x00003000 | ||
194 | #define HW_CFG_SRST_ 0x00000001 | ||
195 | |||
196 | /* only available on 115/117 */ | ||
197 | #define HW_CFG_PHY_CLK_SEL_ 0x00000060 | ||
198 | #define HW_CFG_PHY_CLK_SEL_INT_PHY_ 0x00000000 | ||
199 | #define HW_CFG_PHY_CLK_SEL_EXT_PHY_ 0x00000020 | ||
200 | #define HW_CFG_PHY_CLK_SEL_CLK_DIS_ 0x00000040 | ||
201 | #define HW_CFG_SMI_SEL_ 0x00000010 | ||
202 | #define HW_CFG_EXT_PHY_DET_ 0x00000008 | ||
203 | #define HW_CFG_EXT_PHY_EN_ 0x00000004 | ||
204 | #define HW_CFG_SRST_TO_ 0x00000002 | ||
205 | |||
206 | /* only available on 116/118 */ | ||
207 | #define HW_CFG_32_16_BIT_MODE_ 0x00000004 | ||
208 | |||
209 | #define RX_DP_CTRL 0x78 | ||
210 | #define RX_DP_CTRL_RX_FFWD_ 0x80000000 | ||
211 | |||
212 | #define RX_FIFO_INF 0x7C | ||
213 | #define RX_FIFO_INF_RXSUSED_ 0x00FF0000 | ||
214 | #define RX_FIFO_INF_RXDUSED_ 0x0000FFFF | ||
215 | |||
216 | #define TX_FIFO_INF 0x80 | ||
217 | #define TX_FIFO_INF_TSUSED_ 0x00FF0000 | ||
218 | #define TX_FIFO_INF_TDFREE_ 0x0000FFFF | ||
219 | |||
220 | #define PMT_CTRL 0x84 | ||
221 | #define PMT_CTRL_PM_MODE_ 0x00003000 | ||
222 | #define PMT_CTRL_PM_MODE_D0_ 0x00000000 | ||
223 | #define PMT_CTRL_PM_MODE_D1_ 0x00001000 | ||
224 | #define PMT_CTRL_PM_MODE_D2_ 0x00002000 | ||
225 | #define PMT_CTRL_PM_MODE_D3_ 0x00003000 | ||
226 | #define PMT_CTRL_PHY_RST_ 0x00000400 | ||
227 | #define PMT_CTRL_WOL_EN_ 0x00000200 | ||
228 | #define PMT_CTRL_ED_EN_ 0x00000100 | ||
229 | #define PMT_CTRL_PME_TYPE_ 0x00000040 | ||
230 | #define PMT_CTRL_WUPS_ 0x00000030 | ||
231 | #define PMT_CTRL_WUPS_NOWAKE_ 0x00000000 | ||
232 | #define PMT_CTRL_WUPS_ED_ 0x00000010 | ||
233 | #define PMT_CTRL_WUPS_WOL_ 0x00000020 | ||
234 | #define PMT_CTRL_WUPS_MULTI_ 0x00000030 | ||
235 | #define PMT_CTRL_PME_IND_ 0x00000008 | ||
236 | #define PMT_CTRL_PME_POL_ 0x00000004 | ||
237 | #define PMT_CTRL_PME_EN_ 0x00000002 | ||
238 | #define PMT_CTRL_READY_ 0x00000001 | ||
239 | |||
240 | #define GPIO_CFG 0x88 | ||
241 | #define GPIO_CFG_LED3_EN_ 0x40000000 | ||
242 | #define GPIO_CFG_LED2_EN_ 0x20000000 | ||
243 | #define GPIO_CFG_LED1_EN_ 0x10000000 | ||
244 | #define GPIO_CFG_GPIO2_INT_POL_ 0x04000000 | ||
245 | #define GPIO_CFG_GPIO1_INT_POL_ 0x02000000 | ||
246 | #define GPIO_CFG_GPIO0_INT_POL_ 0x01000000 | ||
247 | #define GPIO_CFG_EEPR_EN_ 0x00700000 | ||
248 | #define GPIO_CFG_GPIOBUF2_ 0x00040000 | ||
249 | #define GPIO_CFG_GPIOBUF1_ 0x00020000 | ||
250 | #define GPIO_CFG_GPIOBUF0_ 0x00010000 | ||
251 | #define GPIO_CFG_GPIODIR2_ 0x00000400 | ||
252 | #define GPIO_CFG_GPIODIR1_ 0x00000200 | ||
253 | #define GPIO_CFG_GPIODIR0_ 0x00000100 | ||
254 | #define GPIO_CFG_GPIOD4_ 0x00000020 | ||
255 | #define GPIO_CFG_GPIOD3_ 0x00000010 | ||
256 | #define GPIO_CFG_GPIOD2_ 0x00000004 | ||
257 | #define GPIO_CFG_GPIOD1_ 0x00000002 | ||
258 | #define GPIO_CFG_GPIOD0_ 0x00000001 | ||
259 | |||
260 | #define GPT_CFG 0x8C | ||
261 | #define GPT_CFG_TIMER_EN_ 0x20000000 | ||
262 | #define GPT_CFG_GPT_LOAD_ 0x0000FFFF | ||
263 | |||
264 | #define GPT_CNT 0x90 | ||
265 | #define GPT_CNT_GPT_CNT_ 0x0000FFFF | ||
266 | |||
267 | #define WORD_SWAP 0x98 | ||
268 | |||
269 | #define FREE_RUN 0x9C | ||
270 | |||
271 | #define RX_DROP 0xA0 | ||
272 | |||
273 | #define MAC_CSR_CMD 0xA4 | ||
274 | #define MAC_CSR_CMD_CSR_BUSY_ 0x80000000 | ||
275 | #define MAC_CSR_CMD_R_NOT_W_ 0x40000000 | ||
276 | #define MAC_CSR_CMD_CSR_ADDR_ 0x000000FF | ||
277 | |||
278 | #define MAC_CSR_DATA 0xA8 | ||
279 | |||
280 | #define AFC_CFG 0xAC | ||
281 | #define AFC_CFG_AFC_HI_ 0x00FF0000 | ||
282 | #define AFC_CFG_AFC_LO_ 0x0000FF00 | ||
283 | #define AFC_CFG_BACK_DUR_ 0x000000F0 | ||
284 | #define AFC_CFG_FCMULT_ 0x00000008 | ||
285 | #define AFC_CFG_FCBRD_ 0x00000004 | ||
286 | #define AFC_CFG_FCADD_ 0x00000002 | ||
287 | #define AFC_CFG_FCANY_ 0x00000001 | ||
288 | |||
289 | #define E2P_CMD 0xB0 | ||
290 | #define E2P_CMD_EPC_BUSY_ 0x80000000 | ||
291 | #define E2P_CMD_EPC_CMD_ 0x70000000 | ||
292 | #define E2P_CMD_EPC_CMD_READ_ 0x00000000 | ||
293 | #define E2P_CMD_EPC_CMD_EWDS_ 0x10000000 | ||
294 | #define E2P_CMD_EPC_CMD_EWEN_ 0x20000000 | ||
295 | #define E2P_CMD_EPC_CMD_WRITE_ 0x30000000 | ||
296 | #define E2P_CMD_EPC_CMD_WRAL_ 0x40000000 | ||
297 | #define E2P_CMD_EPC_CMD_ERASE_ 0x50000000 | ||
298 | #define E2P_CMD_EPC_CMD_ERAL_ 0x60000000 | ||
299 | #define E2P_CMD_EPC_CMD_RELOAD_ 0x70000000 | ||
300 | #define E2P_CMD_EPC_TIMEOUT_ 0x00000200 | ||
301 | #define E2P_CMD_MAC_ADDR_LOADED_ 0x00000100 | ||
302 | #define E2P_CMD_EPC_ADDR_ 0x000000FF | ||
303 | |||
304 | #define E2P_DATA 0xB4 | ||
305 | #define E2P_DATA_EEPROM_DATA_ 0x000000FF | ||
306 | #define LAN_REGISTER_EXTENT 0x00000100 | ||
307 | |||
308 | /* | ||
309 | * MAC Control and Status Register (Indirect Address) | ||
310 | * Offset (through the MAC_CSR CMD and DATA port) | ||
311 | */ | ||
312 | #define MAC_CR 0x01 | ||
313 | #define MAC_CR_RXALL_ 0x80000000 | ||
314 | #define MAC_CR_HBDIS_ 0x10000000 | ||
315 | #define MAC_CR_RCVOWN_ 0x00800000 | ||
316 | #define MAC_CR_LOOPBK_ 0x00200000 | ||
317 | #define MAC_CR_FDPX_ 0x00100000 | ||
318 | #define MAC_CR_MCPAS_ 0x00080000 | ||
319 | #define MAC_CR_PRMS_ 0x00040000 | ||
320 | #define MAC_CR_INVFILT_ 0x00020000 | ||
321 | #define MAC_CR_PASSBAD_ 0x00010000 | ||
322 | #define MAC_CR_HFILT_ 0x00008000 | ||
323 | #define MAC_CR_HPFILT_ 0x00002000 | ||
324 | #define MAC_CR_LCOLL_ 0x00001000 | ||
325 | #define MAC_CR_BCAST_ 0x00000800 | ||
326 | #define MAC_CR_DISRTY_ 0x00000400 | ||
327 | #define MAC_CR_PADSTR_ 0x00000100 | ||
328 | #define MAC_CR_BOLMT_MASK_ 0x000000C0 | ||
329 | #define MAC_CR_DFCHK_ 0x00000020 | ||
330 | #define MAC_CR_TXEN_ 0x00000008 | ||
331 | #define MAC_CR_RXEN_ 0x00000004 | ||
332 | |||
333 | #define ADDRH 0x02 | ||
334 | |||
335 | #define ADDRL 0x03 | ||
336 | |||
337 | #define HASHH 0x04 | ||
338 | |||
339 | #define HASHL 0x05 | ||
340 | |||
341 | #define MII_ACC 0x06 | ||
342 | #define MII_ACC_PHY_ADDR_ 0x0000F800 | ||
343 | #define MII_ACC_MIIRINDA_ 0x000007C0 | ||
344 | #define MII_ACC_MII_WRITE_ 0x00000002 | ||
345 | #define MII_ACC_MII_BUSY_ 0x00000001 | ||
346 | |||
347 | #define MII_DATA 0x07 | ||
348 | |||
349 | #define FLOW 0x08 | ||
350 | #define FLOW_FCPT_ 0xFFFF0000 | ||
351 | #define FLOW_FCPASS_ 0x00000004 | ||
352 | #define FLOW_FCEN_ 0x00000002 | ||
353 | #define FLOW_FCBSY_ 0x00000001 | ||
354 | |||
355 | #define VLAN1 0x09 | ||
356 | |||
357 | #define VLAN2 0x0A | ||
358 | |||
359 | #define WUFF 0x0B | ||
360 | |||
361 | #define WUCSR 0x0C | ||
362 | #define WUCSR_GUE_ 0x00000200 | ||
363 | #define WUCSR_WUFR_ 0x00000040 | ||
364 | #define WUCSR_MPR_ 0x00000020 | ||
365 | #define WUCSR_WAKE_EN_ 0x00000004 | ||
366 | #define WUCSR_MPEN_ 0x00000002 | ||
367 | |||
368 | /* | ||
369 | * Phy definitions (vendor-specific) | ||
370 | */ | ||
371 | #define LAN9118_PHY_ID 0x00C0001C | ||
372 | |||
373 | #define MII_INTSTS 0x1D | ||
374 | |||
375 | #define MII_INTMSK 0x1E | ||
376 | #define PHY_INTMSK_AN_RCV_ (1 << 1) | ||
377 | #define PHY_INTMSK_PDFAULT_ (1 << 2) | ||
378 | #define PHY_INTMSK_AN_ACK_ (1 << 3) | ||
379 | #define PHY_INTMSK_LNKDOWN_ (1 << 4) | ||
380 | #define PHY_INTMSK_RFAULT_ (1 << 5) | ||
381 | #define PHY_INTMSK_AN_COMP_ (1 << 6) | ||
382 | #define PHY_INTMSK_ENERGYON_ (1 << 7) | ||
383 | #define PHY_INTMSK_DEFAULT_ (PHY_INTMSK_ENERGYON_ | \ | ||
384 | PHY_INTMSK_AN_COMP_ | \ | ||
385 | PHY_INTMSK_RFAULT_ | \ | ||
386 | PHY_INTMSK_LNKDOWN_) | ||
387 | |||
388 | #define ADVERTISE_PAUSE_ALL (ADVERTISE_PAUSE_CAP | \ | ||
389 | ADVERTISE_PAUSE_ASYM) | ||
390 | |||
391 | #define LPA_PAUSE_ALL (LPA_PAUSE_CAP | \ | ||
392 | LPA_PAUSE_ASYM) | ||
393 | |||
394 | #endif /* __SMSC911X_H__ */ | ||
diff --git a/include/linux/smsc911x.h b/include/linux/smsc911x.h new file mode 100644 index 000000000000..47c4ffd10dbb --- /dev/null +++ b/include/linux/smsc911x.h | |||
@@ -0,0 +1,42 @@ | |||
1 | /*************************************************************************** | ||
2 | * | ||
3 | * Copyright (C) 2004-2008 SMSC | ||
4 | * Copyright (C) 2005-2008 ARM | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
19 | * | ||
20 | ***************************************************************************/ | ||
21 | #ifndef __LINUX_SMSC911X_H__ | ||
22 | #define __LINUX_SMSC911X_H__ | ||
23 | |||
24 | #include <linux/phy.h> | ||
25 | |||
26 | /* platform_device configuration data, should be assigned to | ||
27 | * the platform_device's dev.platform_data */ | ||
28 | struct smsc911x_platform_config { | ||
29 | unsigned int irq_polarity; | ||
30 | unsigned int irq_type; | ||
31 | phy_interface_t phy_interface; | ||
32 | }; | ||
33 | |||
34 | /* Constants for platform_device irq polarity configuration */ | ||
35 | #define SMSC911X_IRQ_POLARITY_ACTIVE_LOW 0 | ||
36 | #define SMSC911X_IRQ_POLARITY_ACTIVE_HIGH 1 | ||
37 | |||
38 | /* Constants for platform_device irq type configuration */ | ||
39 | #define SMSC911X_IRQ_TYPE_OPEN_DRAIN 0 | ||
40 | #define SMSC911X_IRQ_TYPE_PUSH_PULL 1 | ||
41 | |||
42 | #endif /* __LINUX_SMSC911X_H__ */ | ||
diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 11dd0137c6a5..ce532f2222ce 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h | |||
@@ -108,6 +108,20 @@ extern void ndisc_send_redirect(struct sk_buff *skb, | |||
108 | 108 | ||
109 | extern int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir); | 109 | extern int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir); |
110 | 110 | ||
111 | extern struct sk_buff *ndisc_build_skb(struct net_device *dev, | ||
112 | const struct in6_addr *daddr, | ||
113 | const struct in6_addr *saddr, | ||
114 | struct icmp6hdr *icmp6h, | ||
115 | const struct in6_addr *target, | ||
116 | int llinfo); | ||
117 | |||
118 | extern void ndisc_send_skb(struct sk_buff *skb, | ||
119 | struct net_device *dev, | ||
120 | struct neighbour *neigh, | ||
121 | const struct in6_addr *daddr, | ||
122 | const struct in6_addr *saddr, | ||
123 | struct icmp6hdr *icmp6h); | ||
124 | |||
111 | 125 | ||
112 | 126 | ||
113 | /* | 127 | /* |
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 2a6752dae09d..fbf451c0d77a 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c | |||
@@ -437,38 +437,20 @@ static void pndisc_destructor(struct pneigh_entry *n) | |||
437 | ipv6_dev_mc_dec(dev, &maddr); | 437 | ipv6_dev_mc_dec(dev, &maddr); |
438 | } | 438 | } |
439 | 439 | ||
440 | /* | 440 | struct sk_buff *ndisc_build_skb(struct net_device *dev, |
441 | * Send a Neighbour Advertisement | 441 | const struct in6_addr *daddr, |
442 | */ | 442 | const struct in6_addr *saddr, |
443 | static void __ndisc_send(struct net_device *dev, | 443 | struct icmp6hdr *icmp6h, |
444 | struct neighbour *neigh, | 444 | const struct in6_addr *target, |
445 | const struct in6_addr *daddr, | 445 | int llinfo) |
446 | const struct in6_addr *saddr, | ||
447 | struct icmp6hdr *icmp6h, const struct in6_addr *target, | ||
448 | int llinfo) | ||
449 | { | 446 | { |
450 | struct flowi fl; | ||
451 | struct dst_entry *dst; | ||
452 | struct net *net = dev_net(dev); | 447 | struct net *net = dev_net(dev); |
453 | struct sock *sk = net->ipv6.ndisc_sk; | 448 | struct sock *sk = net->ipv6.ndisc_sk; |
454 | struct sk_buff *skb; | 449 | struct sk_buff *skb; |
455 | struct icmp6hdr *hdr; | 450 | struct icmp6hdr *hdr; |
456 | struct inet6_dev *idev; | ||
457 | int len; | 451 | int len; |
458 | int err; | 452 | int err; |
459 | u8 *opt, type; | 453 | u8 *opt; |
460 | |||
461 | type = icmp6h->icmp6_type; | ||
462 | |||
463 | icmpv6_flow_init(sk, &fl, type, saddr, daddr, dev->ifindex); | ||
464 | |||
465 | dst = icmp6_dst_alloc(dev, neigh, daddr); | ||
466 | if (!dst) | ||
467 | return; | ||
468 | |||
469 | err = xfrm_lookup(&dst, &fl, NULL, 0); | ||
470 | if (err < 0) | ||
471 | return; | ||
472 | 454 | ||
473 | if (!dev->addr_len) | 455 | if (!dev->addr_len) |
474 | llinfo = 0; | 456 | llinfo = 0; |
@@ -485,8 +467,7 @@ static void __ndisc_send(struct net_device *dev, | |||
485 | ND_PRINTK0(KERN_ERR | 467 | ND_PRINTK0(KERN_ERR |
486 | "ICMPv6 ND: %s() failed to allocate an skb.\n", | 468 | "ICMPv6 ND: %s() failed to allocate an skb.\n", |
487 | __func__); | 469 | __func__); |
488 | dst_release(dst); | 470 | return NULL; |
489 | return; | ||
490 | } | 471 | } |
491 | 472 | ||
492 | skb_reserve(skb, LL_RESERVED_SPACE(dev)); | 473 | skb_reserve(skb, LL_RESERVED_SPACE(dev)); |
@@ -513,6 +494,42 @@ static void __ndisc_send(struct net_device *dev, | |||
513 | csum_partial((__u8 *) hdr, | 494 | csum_partial((__u8 *) hdr, |
514 | len, 0)); | 495 | len, 0)); |
515 | 496 | ||
497 | return skb; | ||
498 | } | ||
499 | |||
500 | EXPORT_SYMBOL(ndisc_build_skb); | ||
501 | |||
502 | void ndisc_send_skb(struct sk_buff *skb, | ||
503 | struct net_device *dev, | ||
504 | struct neighbour *neigh, | ||
505 | const struct in6_addr *daddr, | ||
506 | const struct in6_addr *saddr, | ||
507 | struct icmp6hdr *icmp6h) | ||
508 | { | ||
509 | struct flowi fl; | ||
510 | struct dst_entry *dst; | ||
511 | struct net *net = dev_net(dev); | ||
512 | struct sock *sk = net->ipv6.ndisc_sk; | ||
513 | struct inet6_dev *idev; | ||
514 | int err; | ||
515 | u8 type; | ||
516 | |||
517 | type = icmp6h->icmp6_type; | ||
518 | |||
519 | icmpv6_flow_init(sk, &fl, type, saddr, daddr, dev->ifindex); | ||
520 | |||
521 | dst = icmp6_dst_alloc(dev, neigh, daddr); | ||
522 | if (!dst) { | ||
523 | kfree_skb(skb); | ||
524 | return; | ||
525 | } | ||
526 | |||
527 | err = xfrm_lookup(&dst, &fl, NULL, 0); | ||
528 | if (err < 0) { | ||
529 | kfree_skb(skb); | ||
530 | return; | ||
531 | } | ||
532 | |||
516 | skb->dst = dst; | 533 | skb->dst = dst; |
517 | 534 | ||
518 | idev = in6_dev_get(dst->dev); | 535 | idev = in6_dev_get(dst->dev); |
@@ -529,6 +546,27 @@ static void __ndisc_send(struct net_device *dev, | |||
529 | in6_dev_put(idev); | 546 | in6_dev_put(idev); |
530 | } | 547 | } |
531 | 548 | ||
549 | EXPORT_SYMBOL(ndisc_send_skb); | ||
550 | |||
551 | /* | ||
552 | * Send a Neighbour Discover packet | ||
553 | */ | ||
554 | static void __ndisc_send(struct net_device *dev, | ||
555 | struct neighbour *neigh, | ||
556 | const struct in6_addr *daddr, | ||
557 | const struct in6_addr *saddr, | ||
558 | struct icmp6hdr *icmp6h, const struct in6_addr *target, | ||
559 | int llinfo) | ||
560 | { | ||
561 | struct sk_buff *skb; | ||
562 | |||
563 | skb = ndisc_build_skb(dev, daddr, saddr, icmp6h, target, llinfo); | ||
564 | if (!skb) | ||
565 | return; | ||
566 | |||
567 | ndisc_send_skb(skb, dev, neigh, daddr, saddr, icmp6h); | ||
568 | } | ||
569 | |||
532 | static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh, | 570 | static void ndisc_send_na(struct net_device *dev, struct neighbour *neigh, |
533 | const struct in6_addr *daddr, | 571 | const struct in6_addr *daddr, |
534 | const struct in6_addr *solicited_addr, | 572 | const struct in6_addr *solicited_addr, |