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path: root/drivers/net/team/team.c
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Diffstat (limited to 'drivers/net/team/team.c')
-rw-r--r--drivers/net/team/team.c136
1 files changed, 90 insertions, 46 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index ed2a862b835d..6b678f38e5ce 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -92,9 +92,9 @@ struct team_option *__team_find_option(struct team *team, const char *opt_name)
92 return NULL; 92 return NULL;
93} 93}
94 94
95int team_options_register(struct team *team, 95int __team_options_register(struct team *team,
96 const struct team_option *option, 96 const struct team_option *option,
97 size_t option_count) 97 size_t option_count)
98{ 98{
99 int i; 99 int i;
100 struct team_option **dst_opts; 100 struct team_option **dst_opts;
@@ -116,8 +116,11 @@ int team_options_register(struct team *team,
116 } 116 }
117 } 117 }
118 118
119 for (i = 0; i < option_count; i++) 119 for (i = 0; i < option_count; i++) {
120 dst_opts[i]->changed = true;
121 dst_opts[i]->removed = false;
120 list_add_tail(&dst_opts[i]->list, &team->option_list); 122 list_add_tail(&dst_opts[i]->list, &team->option_list);
123 }
121 124
122 kfree(dst_opts); 125 kfree(dst_opts);
123 return 0; 126 return 0;
@@ -130,10 +133,22 @@ rollback:
130 return err; 133 return err;
131} 134}
132 135
133EXPORT_SYMBOL(team_options_register); 136static void __team_options_mark_removed(struct team *team,
137 const struct team_option *option,
138 size_t option_count)
139{
140 int i;
141
142 for (i = 0; i < option_count; i++, option++) {
143 struct team_option *del_opt;
134 144
135static void __team_options_change_check(struct team *team, 145 del_opt = __team_find_option(team, option->name);
136 struct team_option *changed_option); 146 if (del_opt) {
147 del_opt->changed = true;
148 del_opt->removed = true;
149 }
150 }
151}
137 152
138static void __team_options_unregister(struct team *team, 153static void __team_options_unregister(struct team *team,
139 const struct team_option *option, 154 const struct team_option *option,
@@ -152,12 +167,29 @@ static void __team_options_unregister(struct team *team,
152 } 167 }
153} 168}
154 169
170static void __team_options_change_check(struct team *team);
171
172int team_options_register(struct team *team,
173 const struct team_option *option,
174 size_t option_count)
175{
176 int err;
177
178 err = __team_options_register(team, option, option_count);
179 if (err)
180 return err;
181 __team_options_change_check(team);
182 return 0;
183}
184EXPORT_SYMBOL(team_options_register);
185
155void team_options_unregister(struct team *team, 186void team_options_unregister(struct team *team,
156 const struct team_option *option, 187 const struct team_option *option,
157 size_t option_count) 188 size_t option_count)
158{ 189{
190 __team_options_mark_removed(team, option, option_count);
191 __team_options_change_check(team);
159 __team_options_unregister(team, option, option_count); 192 __team_options_unregister(team, option, option_count);
160 __team_options_change_check(team, NULL);
161} 193}
162EXPORT_SYMBOL(team_options_unregister); 194EXPORT_SYMBOL(team_options_unregister);
163 195
@@ -176,7 +208,8 @@ static int team_option_set(struct team *team, struct team_option *option,
176 if (err) 208 if (err)
177 return err; 209 return err;
178 210
179 __team_options_change_check(team, option); 211 option->changed = true;
212 __team_options_change_check(team);
180 return err; 213 return err;
181} 214}
182 215
@@ -653,6 +686,7 @@ static int team_port_del(struct team *team, struct net_device *port_dev)
653 return -ENOENT; 686 return -ENOENT;
654 } 687 }
655 688
689 port->removed = true;
656 __team_port_change_check(port, false); 690 __team_port_change_check(port, false);
657 team_port_list_del_port(team, port); 691 team_port_list_del_port(team, port);
658 team_adjust_ops(team); 692 team_adjust_ops(team);
@@ -1200,10 +1234,9 @@ err_fill:
1200 return err; 1234 return err;
1201} 1235}
1202 1236
1203static int team_nl_fill_options_get_changed(struct sk_buff *skb, 1237static int team_nl_fill_options_get(struct sk_buff *skb,
1204 u32 pid, u32 seq, int flags, 1238 u32 pid, u32 seq, int flags,
1205 struct team *team, 1239 struct team *team, bool fillall)
1206 struct team_option *changed_option)
1207{ 1240{
1208 struct nlattr *option_list; 1241 struct nlattr *option_list;
1209 void *hdr; 1242 void *hdr;
@@ -1223,12 +1256,19 @@ static int team_nl_fill_options_get_changed(struct sk_buff *skb,
1223 struct nlattr *option_item; 1256 struct nlattr *option_item;
1224 long arg; 1257 long arg;
1225 1258
1259 /* Include only changed options if fill all mode is not on */
1260 if (!fillall && !option->changed)
1261 continue;
1226 option_item = nla_nest_start(skb, TEAM_ATTR_ITEM_OPTION); 1262 option_item = nla_nest_start(skb, TEAM_ATTR_ITEM_OPTION);
1227 if (!option_item) 1263 if (!option_item)
1228 goto nla_put_failure; 1264 goto nla_put_failure;
1229 NLA_PUT_STRING(skb, TEAM_ATTR_OPTION_NAME, option->name); 1265 NLA_PUT_STRING(skb, TEAM_ATTR_OPTION_NAME, option->name);
1230 if (option == changed_option) 1266 if (option->changed) {
1231 NLA_PUT_FLAG(skb, TEAM_ATTR_OPTION_CHANGED); 1267 NLA_PUT_FLAG(skb, TEAM_ATTR_OPTION_CHANGED);
1268 option->changed = false;
1269 }
1270 if (option->removed)
1271 NLA_PUT_FLAG(skb, TEAM_ATTR_OPTION_REMOVED);
1232 switch (option->type) { 1272 switch (option->type) {
1233 case TEAM_OPTION_TYPE_U32: 1273 case TEAM_OPTION_TYPE_U32:
1234 NLA_PUT_U8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32); 1274 NLA_PUT_U8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32);
@@ -1255,13 +1295,13 @@ nla_put_failure:
1255 return -EMSGSIZE; 1295 return -EMSGSIZE;
1256} 1296}
1257 1297
1258static int team_nl_fill_options_get(struct sk_buff *skb, 1298static int team_nl_fill_options_get_all(struct sk_buff *skb,
1259 struct genl_info *info, int flags, 1299 struct genl_info *info, int flags,
1260 struct team *team) 1300 struct team *team)
1261{ 1301{
1262 return team_nl_fill_options_get_changed(skb, info->snd_pid, 1302 return team_nl_fill_options_get(skb, info->snd_pid,
1263 info->snd_seq, NLM_F_ACK, 1303 info->snd_seq, NLM_F_ACK,
1264 team, NULL); 1304 team, true);
1265} 1305}
1266 1306
1267static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info) 1307static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info)
@@ -1273,7 +1313,7 @@ static int team_nl_cmd_options_get(struct sk_buff *skb, struct genl_info *info)
1273 if (!team) 1313 if (!team)
1274 return -EINVAL; 1314 return -EINVAL;
1275 1315
1276 err = team_nl_send_generic(info, team, team_nl_fill_options_get); 1316 err = team_nl_send_generic(info, team, team_nl_fill_options_get_all);
1277 1317
1278 team_nl_team_put(team); 1318 team_nl_team_put(team);
1279 1319
@@ -1365,10 +1405,10 @@ team_put:
1365 return err; 1405 return err;
1366} 1406}
1367 1407
1368static int team_nl_fill_port_list_get_changed(struct sk_buff *skb, 1408static int team_nl_fill_port_list_get(struct sk_buff *skb,
1369 u32 pid, u32 seq, int flags, 1409 u32 pid, u32 seq, int flags,
1370 struct team *team, 1410 struct team *team,
1371 struct team_port *changed_port) 1411 bool fillall)
1372{ 1412{
1373 struct nlattr *port_list; 1413 struct nlattr *port_list;
1374 void *hdr; 1414 void *hdr;
@@ -1387,12 +1427,19 @@ static int team_nl_fill_port_list_get_changed(struct sk_buff *skb,
1387 list_for_each_entry(port, &team->port_list, list) { 1427 list_for_each_entry(port, &team->port_list, list) {
1388 struct nlattr *port_item; 1428 struct nlattr *port_item;
1389 1429
1430 /* Include only changed ports if fill all mode is not on */
1431 if (!fillall && !port->changed)
1432 continue;
1390 port_item = nla_nest_start(skb, TEAM_ATTR_ITEM_PORT); 1433 port_item = nla_nest_start(skb, TEAM_ATTR_ITEM_PORT);
1391 if (!port_item) 1434 if (!port_item)
1392 goto nla_put_failure; 1435 goto nla_put_failure;
1393 NLA_PUT_U32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex); 1436 NLA_PUT_U32(skb, TEAM_ATTR_PORT_IFINDEX, port->dev->ifindex);
1394 if (port == changed_port) 1437 if (port->changed) {
1395 NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_CHANGED); 1438 NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_CHANGED);
1439 port->changed = false;
1440 }
1441 if (port->removed)
1442 NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_REMOVED);
1396 if (port->linkup) 1443 if (port->linkup)
1397 NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_LINKUP); 1444 NLA_PUT_FLAG(skb, TEAM_ATTR_PORT_LINKUP);
1398 NLA_PUT_U32(skb, TEAM_ATTR_PORT_SPEED, port->speed); 1445 NLA_PUT_U32(skb, TEAM_ATTR_PORT_SPEED, port->speed);
@@ -1408,13 +1455,13 @@ nla_put_failure:
1408 return -EMSGSIZE; 1455 return -EMSGSIZE;
1409} 1456}
1410 1457
1411static int team_nl_fill_port_list_get(struct sk_buff *skb, 1458static int team_nl_fill_port_list_get_all(struct sk_buff *skb,
1412 struct genl_info *info, int flags, 1459 struct genl_info *info, int flags,
1413 struct team *team) 1460 struct team *team)
1414{ 1461{
1415 return team_nl_fill_port_list_get_changed(skb, info->snd_pid, 1462 return team_nl_fill_port_list_get(skb, info->snd_pid,
1416 info->snd_seq, NLM_F_ACK, 1463 info->snd_seq, NLM_F_ACK,
1417 team, NULL); 1464 team, true);
1418} 1465}
1419 1466
1420static int team_nl_cmd_port_list_get(struct sk_buff *skb, 1467static int team_nl_cmd_port_list_get(struct sk_buff *skb,
@@ -1427,7 +1474,7 @@ static int team_nl_cmd_port_list_get(struct sk_buff *skb,
1427 if (!team) 1474 if (!team)
1428 return -EINVAL; 1475 return -EINVAL;
1429 1476
1430 err = team_nl_send_generic(info, team, team_nl_fill_port_list_get); 1477 err = team_nl_send_generic(info, team, team_nl_fill_port_list_get_all);
1431 1478
1432 team_nl_team_put(team); 1479 team_nl_team_put(team);
1433 1480
@@ -1464,8 +1511,7 @@ static struct genl_multicast_group team_change_event_mcgrp = {
1464 .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME, 1511 .name = TEAM_GENL_CHANGE_EVENT_MC_GRP_NAME,
1465}; 1512};
1466 1513
1467static int team_nl_send_event_options_get(struct team *team, 1514static int team_nl_send_event_options_get(struct team *team)
1468 struct team_option *changed_option)
1469{ 1515{
1470 struct sk_buff *skb; 1516 struct sk_buff *skb;
1471 int err; 1517 int err;
@@ -1475,8 +1521,7 @@ static int team_nl_send_event_options_get(struct team *team,
1475 if (!skb) 1521 if (!skb)
1476 return -ENOMEM; 1522 return -ENOMEM;
1477 1523
1478 err = team_nl_fill_options_get_changed(skb, 0, 0, 0, team, 1524 err = team_nl_fill_options_get(skb, 0, 0, 0, team, false);
1479 changed_option);
1480 if (err < 0) 1525 if (err < 0)
1481 goto err_fill; 1526 goto err_fill;
1482 1527
@@ -1489,18 +1534,17 @@ err_fill:
1489 return err; 1534 return err;
1490} 1535}
1491 1536
1492static int team_nl_send_event_port_list_get(struct team_port *port) 1537static int team_nl_send_event_port_list_get(struct team *team)
1493{ 1538{
1494 struct sk_buff *skb; 1539 struct sk_buff *skb;
1495 int err; 1540 int err;
1496 struct net *net = dev_net(port->team->dev); 1541 struct net *net = dev_net(team->dev);
1497 1542
1498 skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); 1543 skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
1499 if (!skb) 1544 if (!skb)
1500 return -ENOMEM; 1545 return -ENOMEM;
1501 1546
1502 err = team_nl_fill_port_list_get_changed(skb, 0, 0, 0, 1547 err = team_nl_fill_port_list_get(skb, 0, 0, 0, team, false);
1503 port->team, port);
1504 if (err < 0) 1548 if (err < 0)
1505 goto err_fill; 1549 goto err_fill;
1506 1550
@@ -1544,12 +1588,11 @@ static void team_nl_fini(void)
1544 * Change checkers 1588 * Change checkers
1545 ******************/ 1589 ******************/
1546 1590
1547static void __team_options_change_check(struct team *team, 1591static void __team_options_change_check(struct team *team)
1548 struct team_option *changed_option)
1549{ 1592{
1550 int err; 1593 int err;
1551 1594
1552 err = team_nl_send_event_options_get(team, changed_option); 1595 err = team_nl_send_event_options_get(team);
1553 if (err) 1596 if (err)
1554 netdev_warn(team->dev, "Failed to send options change via netlink\n"); 1597 netdev_warn(team->dev, "Failed to send options change via netlink\n");
1555} 1598}
@@ -1559,9 +1602,10 @@ static void __team_port_change_check(struct team_port *port, bool linkup)
1559{ 1602{
1560 int err; 1603 int err;
1561 1604
1562 if (port->linkup == linkup) 1605 if (!port->removed && port->linkup == linkup)
1563 return; 1606 return;
1564 1607
1608 port->changed = true;
1565 port->linkup = linkup; 1609 port->linkup = linkup;
1566 if (linkup) { 1610 if (linkup) {
1567 struct ethtool_cmd ecmd; 1611 struct ethtool_cmd ecmd;
@@ -1577,7 +1621,7 @@ static void __team_port_change_check(struct team_port *port, bool linkup)
1577 port->duplex = 0; 1621 port->duplex = 0;
1578 1622
1579send_event: 1623send_event:
1580 err = team_nl_send_event_port_list_get(port); 1624 err = team_nl_send_event_port_list_get(port->team);
1581 if (err) 1625 if (err)
1582 netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink\n", 1626 netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink\n",
1583 port->dev->name); 1627 port->dev->name);