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path: root/drivers/net/wan/hdlc_fr.c
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* drivers/net: use __packed annotationEric Dumazet2010-06-03
| | | | | | | | | cleanup patch. Use new __packed annotation in drivers/net/ Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-linus' of ↵Linus Torvalds2009-12-09
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (42 commits) tree-wide: fix misspelling of "definition" in comments reiserfs: fix misspelling of "journaled" doc: Fix a typo in slub.txt. inotify: remove superfluous return code check hdlc: spelling fix in find_pvc() comment doc: fix regulator docs cut-and-pasteism mtd: Fix comment in Kconfig doc: Fix IRQ chip docs tree-wide: fix assorted typos all over the place drivers/ata/libata-sff.c: comment spelling fixes fix typos/grammos in Documentation/edac.txt sysctl: add missing comments fs/debugfs/inode.c: fix comment typos sgivwfb: Make use of ARRAY_SIZE. sky2: fix sky2_link_down copy/paste comment error tree-wide: fix typos "couter" -> "counter" tree-wide: fix typos "offest" -> "offset" fix kerneldoc for set_irq_msi() spidev: fix double "of of" in comment comment typo fix: sybsystem -> subsystem ...
| * hdlc: spelling fix in find_pvc() commentRudy Matela2009-12-04
| | | | | | | | | | Signed-off-by: Rudy Matela <rudy.matela@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | wan: Coding style correction in HDLC/Frame Relay support routinesRudy Matela2009-11-30
|/ | | | | | | | Added a space separating some if keywords from the following parenthesis to conform to the CodingStyle. Signed-off-by: Rudy Matela <rudy.matela@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* wan: convert drivers to netdev_tx_tStephen Hemminger2009-09-01
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: use NETDEV_TX_OK instead of 0 in ndo_start_xmit() functionsPatrick McHardy2009-07-05
| | | | | | | | | | | This patch is the result of an automatic spatch transformation to convert all ndo_start_xmit() return values of 0 to NETDEV_TX_OK. Some occurences are missed by the automatic conversion, those will be handled in a seperate patch. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: release dst entry in dev_hard_start_xmit()Eric Dumazet2009-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One point of contention in high network loads is the dst_release() performed when a transmited skb is freed. This is because NIC tx completion calls dev_kree_skb() long after original call to dev_queue_xmit(skb). CPU cache is cold and the atomic op in dst_release() stalls. On SMP, this is quite visible if one CPU is 100% handling softirqs for a network device, since dst_clone() is done by other cpus, involving cache line ping pongs. It seems right place to release dst is in dev_hard_start_xmit(), for most devices but ones that are virtual, and some exceptions. David Miller suggested to define a new device flag, set in alloc_netdev_mq() (so that most devices set it at init time), and carefuly unset in devices which dont want a NULL skb->dst in their ndo_start_xmit(). List of devices that must clear this flag is : - loopback device, because it calls netif_rx() and quoting Patrick : "ip_route_input() doesn't accept loopback addresses, so loopback packets already need to have a dst_entry attached." - appletalk/ipddp.c : needs skb->dst in its xmit function - And all devices that call again dev_queue_xmit() from their xmit function (as some classifiers need skb->dst) : bonding, vlan, macvlan, eql, ifb, hdlc_fr Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: replace uses of __constant_{endian}Harvey Harrison2009-02-01
| | | | | | | Base versions handle constant folding now. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* WAN: Convert generic HDLC drivers to netdev_ops.Krzysztof Hałasa2009-01-21
| | | | | | | | Also remove unneeded last_rx update from Synclink drivers. Synclink part mostly by Stephen Hemminger. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdevice hdlc: Convert directly reference of netdev->privWang Chen2008-11-21
| | | | | | | | | | For killing directly reference of netdev->priv, use netdev->ml_priv to replace it. Because the private pvc data comes from add_pvc() and can't be allocated in alloc_netdev(). Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* WAN: cosmetic changes to generic HDLCKrzysztof Hałasa2008-07-23
| | | | Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
* Merge branch 'master' of ↵David S. Miller2008-07-06
|\ | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wan/hdlc_fr.c drivers/net/wireless/iwlwifi/iwl-4965.c drivers/net/wireless/iwlwifi/iwl3945-base.c
| * Add missing skb->dev assignment in Frame Relay RX codeKrzysztof Halasa2008-07-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 4c13eb6657fe9ef7b4dc8f1a405c902e9e5234e0 ([ETH]: Make eth_type_trans set skb->dev like the other *_type_trans) removed skb->dev assignment from hdlc_fr.c:fr_rx(). Unfortunately it was also needed for cases other than eth_type_trans(). Adding it back. It's quite serious and may be a security risk as it causes a wrong input interface indication (the physical hdlcX instead of logical pvcX). Probably -stable class fix. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | WAN: Remove no longer needed pvc_desc in FR code.Krzysztof Halasa2008-07-04
| | | | | | | | | | | | | | | | Remove no longer needed struct pvc_desc in FR code. Requires "WAN: convert drivers to use built-in netdev_stats" patch. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | WAN: convert drivers to use built-in netdev_statsKrzysztof Halasa2008-07-04
|/ | | | | | | | There is no point in using separate net_device_stats structs when the one in struct net_device is present. Compiles. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* Removing dead code in drivers/net/wan/hdlc_fr.cCédric Augonnet2008-04-25
| | | | | | | | | | | The local variable "prefix" is never used anymore, and the content of this string appears a bit later, directly in a call to "alloc_netdev" after doing exactly the same if/else test. So there seems to be no point keeping those 4 lines anymore. Signed-off-by: Cédric Augonnet <cedric.augonnet@ens-lyon.org> Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* Generic HDLC - use random_ether_addr()Krzysztof Halasa2008-02-05
| | | | | | | | Generic HDLC now uses random_ether_addr() for generating MAC addresse for Ethernet-alike interfaces. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Generic HDLC - remove now unneeded hdlc_device_descKrzysztof Halasa2008-02-05
| | | | | | | Removes now unneeded struct hdlc_device_desc Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Generic HDLC - fix kernel panicKrzysztof Halasa2008-02-05
| | | | | | | Fixes kernel panic in Frame Relay mode Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [WAN] drivers/net/wan/hdlc_fr.c: kmalloc + memset conversion to kzallocMariusz Kozlowski2007-08-14
| | | | | | | | | drivers/net/wan/hdlc_fr.c | 31260 -> 31223 (-37 bytes) drivers/net/wan/hdlc_fr.o | 144872 -> 144728 (-144 bytes) Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* Generic HDLC sparse annotationsKrzysztof Halasa2007-04-28
| | | | | | | Sparse annotations, including two minor bugfixes. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [SK_BUFF]: Convert skb->tail to sk_buff_data_tArnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | | | | So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes on 64bit architectures, allowing us to combine the 4 bytes hole left by the layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4 64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN... :-) Many calculations that previously required that skb->{transport,network, mac}_header be first converted to a pointer now can be done directly, being meaningful as offsets or pointers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_reset_network_header(skb)Arnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | For the common, open coded 'skb->nh.raw = skb->data' operation, so that we can later turn skb->nh.raw into a offset, reducing the size of struct sk_buff in 64bit land while possibly keeping it as a pointer on 32bit. This one touches just the most simple case, next will handle the slightly more "complex" cases. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ETH]: Make eth_type_trans set skb->dev like the other *_type_transArnaldo Carvalho de Melo2007-04-26
| | | | | | | One less thing for drivers writers to worry about. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [HDLC] Fix dev->header_cache_update having a random value.Krzysztof Halasa2007-03-02
| | | | | | | | Switching HDLC devices from Ethernet-framing mode caused stale ethernet function assignments within net_device. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] Modularize generic HDLCKrzysztof Halasa2006-09-26
| | | | | | | | | | | | This patch enables building of individual WAN protocol support routines (parts of generic HDLC) as separate modules. All protocol-private definitions are moved from hdlc.h file to protocol drivers. User-space interface and interface between generic HDLC and underlying low-level HDLC drivers are unchanged. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [WAN]: converting generic HDLC to use netif_dormant*()Krzysztof Halasa2006-07-12
| | | | | | | | | | This patch converts generic HDLC (and WAN drivers using it) from hdlc_set_carrier() to netif_dormant*() interface. WAN hardware drivers should now use netif_carrier_on|off() like other network drivers. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] Generic HDLC WAN drivers - disable netif_carrier_off()Krzysztof Halasa2005-11-16
| | | | | | | | | | | | | As we are currently unable to fix the problem with carrier and protocol state signaling in net core I've to disable netif_carrier_off() calls used by WAN protocol drivers. The attached patch should make them working again. The remaining netif_carrier_*() calls in hdlc_fr.c are fine as they don't touch the physical device. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] drivers/net/wan/: possible cleanupsAdrian Bunk2005-09-14
| | | | | | | | | | | | | | | | | | | | | This patch contains possible cleanups including the following: - make needlessly global code static - #if 0 the following unused global function: - sdladrv.c: sdla_intde - remove the following unused global variable: - lmc_media.c: lmc_t1_cables - remove the following unneeded EXPORT_SYMBOL's: - cycx_drv.c: cycx_inten - sdladrv.c: sdla_inten - sdladrv.c: sdla_intde - sdladrv.c: sdla_intack - sdladrv.c: sdla_intr - syncppp.c: sppp_input - syncppp.c: sppp_change_mtu Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] Generic HDLC updateKrzysztof Halasa2005-05-15
| | | | | | | | | | | | | | | | The attached patch updates generic HDLC to version 1.18. FR Cisco LMI production-tested. Please apply to Linux 2.6. Thanks. Changes: - doc updates - added Cisco LMI support to Frame-Relay code - cleaned hdlc_fr.c a bit, removed some orphaned #defines etc. - fixed a problem with non-functional LMI in FR DCE mode. - changed diagnostic messages to better conform to FR standards - all protocols: information about carrier changes (DCD line) is now printed to kernel logs. Signed-Off-By: Krzysztof Halasa <khc@pm.waw.pl>
* Linux-2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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