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5ca3b72c5d
linux/net
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Eric Dumazet 5ca3b72c5d gro: more generic L2 header check 
Shlomo Pongratz reported GRO L2 header check was suited for Ethernet
only, and failed on IB/ipoib traffic.

He provided a patch faking a zeroed header to let GRO aggregates frames.

Roland Dreier, Herbert Xu, and others suggested we change GRO L2 header
check to be more generic, ie not assuming L2 header is 14 bytes, but
taking into account hard_header_len.

__napi_gro_receive() has special handling for the common case (Ethernet)
to avoid a memcmp() call and use an inline optimized function instead.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Reported-by: Shlomo Pongratz <shlomop@mellanox.com>
Cc: Roland Dreier <roland@kernel.org>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-02-08 18:26:54 -05:00
..
9p virtio: rename virtqueue_add_buf_gfp to virtqueue_add_buf 2012-01-12 15:44:42 +10:30
802 net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
8021q vlan: static functions 2011-12-14 02:39:30 -05:00
appletalk net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
atm net: Rename dst_get_neighbour{, _raw} to dst_get_neighbour_noref{, _raw}. 2011-12-05 15:20:19 -05:00
ax25 ax25: avoid overflows in ax25_setsockopt() 2011-12-28 14:08:08 -05:00
batman-adv batman-adv: Fix merge error. 2011-12-16 15:07:28 -05:00
bluetooth bluetooth: hci: Fix type of "enable_hs" to bool. 2012-01-22 15:08:46 -05:00
bridge bridge: BH already disabled in br_fdb_cleanup() 2012-01-17 10:17:32 -05:00
caif caif: Bugfix double kfree_skb upon xmit failure 2012-02-02 14:35:12 -05:00
can can: remove references to berlios mailinglist 2011-10-17 19:22:46 -04:00
ceph libceph: remove useless return value for osd_client __send_request() 2012-01-10 08:57:03 -08:00
core gro: more generic L2 header check 2012-02-08 18:26:54 -05:00
dcb net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
dccp inet_diag: Rename inet_diag_req into inet_diag_req_v2 2012-01-11 12:56:06 -08:00
decnet Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-security 2012-01-14 18:36:33 -08:00
dns_resolver
dsa dsa: Move switch drivers to new directory drivers/net/dsa 2011-11-29 00:21:36 -05:00
econet net: Remove all uses of LL_ALLOCATED_SPACE 2011-11-18 14:37:09 -05:00
ethernet
ieee802154 net: Remove all uses of LL_ALLOCATED_SPACE 2011-11-18 14:37:09 -05:00
ipv4 net: Fix build regression when INET_UDP_DIAG=y and IPV6=m 2012-02-07 13:35:28 -05:00
ipv6 tcp: md5: using remote adress for md5 lookup in rst packet 2012-01-22 15:08:45 -05:00
ipx net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
irda irda: use msecs_to_jiffies() rather than manual calculation 2011-12-21 15:46:22 -05:00
iucv af_iucv: get rid of state IUCV_SEVERED 2011-12-20 14:05:03 -05:00
key net: use IS_ENABLED(CONFIG_IPV6) 2011-12-11 18:25:16 -05:00
l2tp l2tp: l2tp_ip - fix possible oops on packet receive 2012-01-25 21:45:00 -05:00
lapb
llc llc: Fix race condition in llc_ui_recvmsg 2012-01-24 15:33:19 -05:00
mac80211 mac80211: timeout a single frame in the rx reorder buffer 2012-02-01 15:26:00 -05:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-01-17 22:26:41 -08:00
netlabel net: reintroduce missing rcu_assign_pointer() calls 2012-01-12 12:26:56 -08:00
netlink Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-security 2012-01-14 18:36:33 -08:00
netrom netrom: avoid overflows in nr_setsockopt() 2011-12-28 14:08:08 -05:00
nfc NFC: Export a new attribute nfcid1 in target info 2012-01-04 14:30:43 -05:00
openvswitch openvswitch: Fix multipart datapath dumps. 2012-01-17 23:56:19 -05:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-12-30 13:04:14 -05:00
phonet net: reintroduce missing rcu_assign_pointer() calls 2012-01-12 12:26:56 -08:00
rds rds: Make rds_sock_lock BH rather than IRQ safe. 2012-01-24 17:03:44 -05:00
rfkill Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-01-05 10:13:24 -05:00
rose net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
rxrpc net: fix assignment of 0/1 to bool variables. 2011-12-19 22:27:29 -05:00
sched netem: Fix off-by-one bug in reordering 2012-01-22 15:08:44 -05:00
sctp Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-01-08 13:21:22 -08:00
sunrpc SUNRPC: Fix machine creds in generic_create_cred and generic_match 2012-01-23 14:03:46 -08:00
tipc tipc: rename struct bearer_name to struct tipc_bearer_names 2011-12-29 21:53:30 -05:00
unix af_unix: fix EPOLLET regression for stream sockets 2012-01-30 12:45:07 -05:00
wanrouter wanrouter: Remove kernel_lock annotations 2011-11-07 13:27:30 -05:00
wimax net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
wireless nl80211: fix old station flags compatibility 2012-01-11 15:14:50 -05:00
x25 net:x25: use IS_ENABLED 2011-12-16 15:49:52 -05:00
xfrm Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-security 2012-01-14 18:36:33 -08:00
compat.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
Kconfig net: Add Open vSwitch kernel components. 2011-12-03 09:35:17 -08:00
Makefile net: Add Open vSwitch kernel components. 2011-12-03 09:35:17 -08:00
nonet.c
socket.c net: reintroduce missing rcu_assign_pointer() calls 2012-01-12 12:26:56 -08:00
sysctl_net.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00