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2011-05-22Remove prefetch() from <linux/skbuff.h> and "netlabel_addrlist.h"Linus Torvalds
Commit e66eed651fd1 ("list: remove prefetching from regular list iterators") removed the include of prefetch.h from list.h. The skbuff list traversal still had them. Quoth David Miller: "Please just remove the prefetches. Those are modelled after list.h as I intend to eventually convert SKB list handling to "struct list_head" but we're not there yet. Therefore if we kill prefetches from list.h we should kill it from these things in skbuff.h too." Requested-by: David Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-22Add appropriate <linux/prefetch.h> include for prefetch usersPaul Gortmaker
After discovering that wide use of prefetch on modern CPUs could be a net loss instead of a win, net drivers which were relying on the implicit inclusion of prefetch.h via the list headers showed up in the resulting cleanup fallout. Give them an explicit include via the following $0.02 script. ========================================= #!/bin/bash MANUAL="" for i in `git grep -l 'prefetch(.*)' .` ; do grep -q '<linux/prefetch.h>' $i if [ $? = 0 ] ; then continue fi ( echo '?^#include <linux/?a' echo '#include <linux/prefetch.h>' echo . echo w echo q ) | ed -s $i > /dev/null 2>&1 if [ $? != 0 ]; then echo $i needs manual fixup MANUAL="$i $MANUAL" fi done echo ------------------- 8\<---------------------- echo vi $MANUAL ========================================= Signed-off-by: Paul <paul.gortmaker@windriver.com> [ Fixed up some incorrect #include placements, and added some non-network drivers and the fib_trie.c case - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-21sctp: Fix build failure.David S. Miller
Commit c182f90bc1f22ce5039b8722e45621d5f96862c2 ("SCTP: fix race between sctp_bind_addr_free() and sctp_bind_addr_conflict()") and commit 1231f0baa547a541a7481119323b7f964dda4788 ("net,rcu: convert call_rcu(sctp_local_addr_free) to kfree_rcu()"), happening in different trees, introduced a build failure. Simply make the SCTP race fix use kfree_rcu() too. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-21garp: use kfree_rcu()Eric Dumazet
Use kfree_rcu() instead of call_rcu(), remove garp_cleanup_module() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-21ipv6: copy prefsrc setting when copying route entryFlorian Westphal
commit c3968a857a6b6c3d2ef4ead35776b055fb664d74 ('ipv6: RTA_PREFSRC support for ipv6 route source address selection') added support for ipv6 prefsrc as an alternative to ipv6 addrlabels, but it did not work because the prefsrc entry was not copied. Cc: Daniel Walter <sahne@0x90.at> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits) macvlan: fix panic if lowerdev in a bond tg3: Add braces around 5906 workaround. tg3: Fix NETIF_F_LOOPBACK error macvlan: remove one synchronize_rcu() call networking: NET_CLS_ROUTE4 depends on INET irda: Fix error propagation in ircomm_lmp_connect_response() irda: Kill set but unused variable 'bytes' in irlan_check_command_param() irda: Kill set but unused variable 'clen' in ircomm_connect_indication() rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport() be2net: Kill set but unused variable 'req' in lancer_fw_download() irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication() atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined. rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer(). rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler() rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection() rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window() pkt_sched: Kill set but unused variable 'protocol' in tc_classify() isdn: capi: Use pr_debug() instead of ifdefs. tg3: Update version to 3.119 tg3: Apply rx_discards fix to 5719/5720 ... Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c as per Davem.
2011-05-20sanitize <linux/prefetch.h> usageLinus Torvalds
Commit e66eed651fd1 ("list: remove prefetching from regular list iterators") removed the include of prefetch.h from list.h, which uncovered several cases that had apparently relied on that rather obscure header file dependency. So this fixes things up a bit, using grep -L linux/prefetch.h $(git grep -l '[^a-z_]prefetchw*(' -- '*.[ch]') grep -L 'prefetchw*(' $(git grep -l 'linux/prefetch.h' -- '*.[ch]') to guide us in finding files that either need <linux/prefetch.h> inclusion, or have it despite not needing it. There are more of them around (mostly network drivers), but this gets many core ones. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-20macvlan: remove one synchronize_rcu() callEric Dumazet
When one macvlan device is dismantled, we can avoid one synchronize_rcu() call done after deletion from hash list, since caller will perform a synchronize_net() call after its ndo_stop() call. Add a new netdev->dismantle field to signal this dismantle intent. Reduces RTNL hold time. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Patrick McHardy <kaber@trash.net> CC: Ben Greear <greearb@candelatech.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19Merge branch 'core-rcu-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (78 commits) Revert "rcu: Decrease memory-barrier usage based on semi-formal proof" net,rcu: convert call_rcu(prl_entry_destroy_rcu) to kfree batman,rcu: convert call_rcu(softif_neigh_free_rcu) to kfree_rcu batman,rcu: convert call_rcu(neigh_node_free_rcu) to kfree() batman,rcu: convert call_rcu(gw_node_free_rcu) to kfree_rcu net,rcu: convert call_rcu(kfree_tid_tx) to kfree_rcu() net,rcu: convert call_rcu(xt_osf_finger_free_rcu) to kfree_rcu() net/mac80211,rcu: convert call_rcu(work_free_rcu) to kfree_rcu() net,rcu: convert call_rcu(wq_free_rcu) to kfree_rcu() net,rcu: convert call_rcu(phonet_device_rcu_free) to kfree_rcu() perf,rcu: convert call_rcu(swevent_hlist_release_rcu) to kfree_rcu() perf,rcu: convert call_rcu(free_ctx) to kfree_rcu() net,rcu: convert call_rcu(__nf_ct_ext_free_rcu) to kfree_rcu() net,rcu: convert call_rcu(net_generic_release) to kfree_rcu() net,rcu: convert call_rcu(netlbl_unlhsh_free_addr6) to kfree_rcu() net,rcu: convert call_rcu(netlbl_unlhsh_free_addr4) to kfree_rcu() security,rcu: convert call_rcu(sel_netif_free) to kfree_rcu() net,rcu: convert call_rcu(xps_dev_maps_release) to kfree_rcu() net,rcu: convert call_rcu(xps_map_release) to kfree_rcu() net,rcu: convert call_rcu(rps_map_release) to kfree_rcu() ...
2011-05-19networking: NET_CLS_ROUTE4 depends on INETRandy Dunlap
IP_ROUTE_CLASSID depends on INET and NET_CLS_ROUTE4 selects IP_ROUTE_CLASSID, but when INET is not enabled, this kconfig warning is produced, so fix it by making NET_CLS_ROUTE4 depend on INET. warning: (NET_CLS_ROUTE4) selects IP_ROUTE_CLASSID which has unmet direct dependencies (NET && INET) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19irda: Fix error propagation in ircomm_lmp_connect_response()David S. Miller
The variable 'ret' is set but unused, and this pointed out that errors from irlmp_connect_response() are not propagated to the caller. Note that this is currently academic since irlmp_connect_response() always returns 0. :-) Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19irda: Kill set but unused variable 'bytes' in irlan_check_command_param()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19irda: Kill set but unused variable 'clen' in ircomm_connect_indication()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()David S. Miller
This is identical to the case I fixed in rxrpc_get_peer() Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19irda: Kill set but unused vars 'saddr' and 'daddr' in ↵David S. Miller
irlan_provider_connect_indication() Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().David S. Miller
I backed off from trying to just eliminate this variable, since transforming atomic_inc_return() into atomic_inc() takes away the memory barriers. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19pkt_sched: Kill set but unused variable 'protocol' in tc_classify()David S. Miller
I checked the history and this has been like this since the beginning of time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-199p: Kill unused variable 'ret' in trans_rdma.c:parse_opts()David S. Miller
Probably just cut and pasted from the other parse_opts() implementations in the 9p sources. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-199p: Kill set but not used variable 'ret' in parse_opts()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19ipconfig wait for carrierMicha Nelissen
v3 -> v4: fix return boolean false instead of 0 for ic_is_init_dev Currently the ip auto configuration has a hardcoded delay of 1 second. When (ethernet) link takes longer to come up (e.g. more than 3 seconds), nfs root may not be found. Remove the hardcoded delay, and wait for carrier on at least one network device. Signed-off-by: Micha Nelissen <micha@neli.hopto.org> Cc: David Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19SCTP: fix race between sctp_bind_addr_free() and sctp_bind_addr_conflict()Jacek Luczak
During the sctp_close() call, we do not use rcu primitives to destroy the address list attached to the endpoint. At the same time, we do the removal of addresses from this list before attempting to remove the socket from the port hash As a result, it is possible for another process to find the socket in the port hash that is in the process of being closed. It then proceeds to traverse the address list to find the conflict, only to have that address list suddenly disappear without rcu() critical section. Fix issue by closing address list removal inside RCU critical section. Race can result in a kernel crash with general protection fault or kernel NULL pointer dereference: kernel: general protection fault: 0000 [#1] SMP kernel: RIP: 0010:[<ffffffffa02f3dde>] [<ffffffffa02f3dde>] sctp_bind_addr_conflict+0x64/0x82 [sctp] kernel: Call Trace: kernel: [<ffffffffa02f415f>] ? sctp_get_port_local+0x17b/0x2a3 [sctp] kernel: [<ffffffffa02f3d45>] ? sctp_bind_addr_match+0x33/0x68 [sctp] kernel: [<ffffffffa02f4416>] ? sctp_do_bind+0xd3/0x141 [sctp] kernel: [<ffffffffa02f5030>] ? sctp_bindx_add+0x4d/0x8e [sctp] kernel: [<ffffffffa02f5183>] ? sctp_setsockopt_bindx+0x112/0x4a4 [sctp] kernel: [<ffffffff81089e82>] ? generic_file_aio_write+0x7f/0x9b kernel: [<ffffffffa02f763e>] ? sctp_setsockopt+0x14f/0xfee [sctp] kernel: [<ffffffff810c11fb>] ? do_sync_write+0xab/0xeb kernel: [<ffffffff810e82ab>] ? fsnotify+0x239/0x282 kernel: [<ffffffff810c2462>] ? alloc_file+0x18/0xb1 kernel: [<ffffffff8134a0b1>] ? compat_sys_setsockopt+0x1a5/0x1d9 kernel: [<ffffffff8134aaf1>] ? compat_sys_socketcall+0x143/0x1a4 kernel: [<ffffffff810467dc>] ? sysenter_dispatch+0x7/0x32 Signed-off-by: Jacek Luczak <luczak.jacek@gmail.com> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> CC: Eric Dumazet <eric.dumazet@gmail.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19ipv6: reduce per device ICMP mib sizesEric Dumazet
ipv6 has per device ICMP SNMP counters, taking too much space because they use percpu storage. needed size per device is : (512+4)*sizeof(long)*number_of_possible_cpus*2 On a 32bit kernel, 16 possible cpus, this wastes more than 64kbytes of memory per ipv6 enabled network device, taken in vmalloc pool. Since ICMP messages are rare, just use shared counters (atomic_long_t) Per network space ICMP counters are still using percpu memory, we might also convert them to shared counters in a future patch. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19net: ping: fix the coding styleChangli Gao
The characters in a line should be no more than 80. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19net: ping: make local functions staticChangli Gao
As these functions are only used in this file. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-19Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-05-18ipv4: Pass explicit destination address to rt_bind_peer().David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-18ipv4: Pass explicit destination address to rt_get_peer().David S. Miller
This will next trickle down to rt_bind_peer(). Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-18ipv4: Make caller provide flowi4 key to inet_csk_route_req().David S. Miller
This way the caller can get at the fully resolved fl4->{daddr,saddr} etc. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-18ipv4: Kill RT_CACHE_DEBUGDavid S. Miller
It's way past it's usefulness. And this gets rid of a bunch of stray ->rt_{dst,src} references. Even the comment documenting the macro was inaccurate (stated default was 1 when it's 0). If reintroduced, it should be done properly, with dynamic debug facilities. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-18net: add skb_dst_force() in sock_queue_err_skb()Eric Dumazet
Commit 7fee226ad239 (add a noref bit on skb dst) forgot to use skb_dst_force() on packets queued in sk_error_queue This triggers following warning, for applications using IP_CMSG_PKTINFO receiving one error status ------------[ cut here ]------------ WARNING: at include/linux/skbuff.h:457 ip_cmsg_recv_pktinfo+0xa6/0xb0() Hardware name: 2669UYD Modules linked in: isofs vboxnetadp vboxnetflt nfsd ebtable_nat ebtables lib80211_crypt_ccmp uinput xcbc hdaps tp_smapi thinkpad_ec radeonfb fb_ddc radeon ttm drm_kms_helper drm ipw2200 intel_agp intel_gtt libipw i2c_algo_bit i2c_i801 agpgart rng_core cfbfillrect cfbcopyarea cfbimgblt video raid10 raid1 raid0 linear md_mod vboxdrv Pid: 4697, comm: miredo Not tainted 2.6.39-rc6-00569-g5895198-dirty #22 Call Trace: [<c17746b6>] ? printk+0x1d/0x1f [<c1058302>] warn_slowpath_common+0x72/0xa0 [<c15bbca6>] ? ip_cmsg_recv_pktinfo+0xa6/0xb0 [<c15bbca6>] ? ip_cmsg_recv_pktinfo+0xa6/0xb0 [<c1058350>] warn_slowpath_null+0x20/0x30 [<c15bbca6>] ip_cmsg_recv_pktinfo+0xa6/0xb0 [<c15bbdd7>] ip_cmsg_recv+0x127/0x260 [<c154f82d>] ? skb_dequeue+0x4d/0x70 [<c1555523>] ? skb_copy_datagram_iovec+0x53/0x300 [<c178e834>] ? sub_preempt_count+0x24/0x50 [<c15bdd2d>] ip_recv_error+0x23d/0x270 [<c15de554>] udp_recvmsg+0x264/0x2b0 [<c15ea659>] inet_recvmsg+0xd9/0x130 [<c1547752>] sock_recvmsg+0xf2/0x120 [<c11179cb>] ? might_fault+0x4b/0xa0 [<c15546bc>] ? verify_iovec+0x4c/0xc0 [<c1547660>] ? sock_recvmsg_nosec+0x100/0x100 [<c1548294>] __sys_recvmsg+0x114/0x1e0 [<c1093895>] ? __lock_acquire+0x365/0x780 [<c1148b66>] ? fget_light+0xa6/0x3e0 [<c1148b7f>] ? fget_light+0xbf/0x3e0 [<c1148aee>] ? fget_light+0x2e/0x3e0 [<c1549f29>] sys_recvmsg+0x39/0x60 Close bug https://bugzilla.kernel.org/show_bug.cgi?id=34622 Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/vmxnet3/vmxnet3_ethtool.c net/core/dev.c
2011-05-17ipv4: Don't use enums as bitmasks in ip_fragment.cDavid S. Miller
Noticed by Joe Perches. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17net: ethtool: fix IPV6 checksum feature name stringMichał Mirosław
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17net: Change netdev_fix_features messages loglevelMichael S. Tsirkin
Cool, how about we make 'Features changed' debug as well? This way userspace can't fill up the log just by tweaking tun features with an ioctl. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17net: recvmmsg: Strip MSG_WAITFORONE when calling recvmsgAnton Blanchard
recvmmsg fails on a raw socket with EINVAL. The reason for this is packet_recvmsg checks the incoming flags: err = -EINVAL; if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT|MSG_ERRQUEUE)) goto out; This patch strips out MSG_WAITFORONE when calling recvmmsg which fixes the issue. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: stable@kernel.org [2.6.34+] Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2011-05-17net: ping: fix build failureVasiliy Kulikov
If CONFIG_PROC_SYSCTL=n the building process fails: ping.c:(.text+0x52af3): undefined reference to `inet_get_ping_group_range_net' Moved inet_get_ping_group_range_net() to ping.c. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17net: use hlist_del_rcu() in dev_change_name()Eric Dumazet
Using plain hlist_del() in dev_change_name() is wrong since a concurrent reader can crash trying to dereference LIST_POISON1. Bug introduced in commit 72c9528bab94 (net: Introduce dev_get_by_name_rcu()) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-16bluetooth: Fix warnings in l2cap_core.cDavid S. Miller
net/bluetooth/l2cap_core.c: In function ‘l2cap_recv_frame’: net/bluetooth/l2cap_core.c:3758:15: warning: ‘sk’ may be used uninitialized in this function net/bluetooth/l2cap_core.c:3758:15: note: ‘sk’ was declared here net/bluetooth/l2cap_core.c:3791:15: warning: ‘sk’ may be used uninitialized in this function net/bluetooth/l2cap_core.c:3791:15: note: ‘sk’ was declared here Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-16Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2011-05-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: Change netdev_fix_features messages loglevel vmxnet3: Fix inconsistent LRO state after initialization sfc: Fix oops in register dump after mapping change IPVS: fix netns if reading ip_vs_* procfs entries bridge: fix forwarding of IPv6
2011-05-16Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-tx.c net/mac80211/sta_info.h
2011-05-16net: Change netdev_fix_features messages loglevelMichał Mirosław
Those reduced to DEBUG can possibly be triggered by unprivileged processes and are nothing exceptional. Illegal checksum combinations can only be caused by driver bug, so promote those messages to WARN. Since GSO without SG will now only cause DEBUG message from netdev_fix_features(), remove the workaround from register_netdevice(). Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-16net: convert to new cpumask APIKOSAKI Motohiro
We plan to remove cpu_xx() old api later. Thus this patch convert it. This patch has no functional change. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-16ipv4: more compliant RFC 3168 supportEric Dumazet
Commit 6623e3b24a5e (ipv4: IP defragmentation must be ECN aware) was an attempt to not lose "Congestion Experienced" (CE) indications when performing datagram defragmentation. Stefanos Harhalakis raised the point that RFC 3168 requirements were not completely met by this commit. In particular, we MUST detect invalid combinations and eventually drop illegal frames. Reported-by: Stefanos Harhalakis <v13@v13.gr> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-16cfg80211: make stripping of 802.11 header optional from AMSDUYogesh Ashok Powar
Currently the devices that have already stripped IEEE 802.11 header from the AMSDU SKB can not use ieee80211_amsdu_to_8023s routine. This patch enhances ieee80211_amsdu_to_8023s() API by changing mandatory removing of IEEE 802.11 header from AMSDU to optional. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-16nl80211: Move peer link state definition to nl80211Javier Cardona
These definitions need to be exposed now that we can set the peer link states via NL80211_ATTR_STA_PLINK_STATE. They were already being (opaquely) reported by NL80211_STA_INFO_PLINK_STATE. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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