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6de329e26c
linux/net
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Ben Hutchings 6de329e26c net: Fix test for VLAN TX checksum offload capability 
Selected device feature bits can be propagated to VLAN devices, so we
can make use of TX checksum offload and TSO on VLAN-tagged packets.
However, if the physical device does not do VLAN tag insertion or
generic checksum offload then the test for TX checksum offload in
dev_queue_xmit() will see a protocol of htons(ETH_P_8021Q) and yield
false.

This splits the checksum offload test into two functions:

- can_checksum_protocol() tests a given protocol against a feature bitmask

- dev_can_checksum() first tests the skb protocol against the device
  features; if that fails and the protocol is htons(ETH_P_8021Q) then
  it tests the encapsulated protocol against the effective device
  features for VLANs

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-06-16 17:02:28 -07:00
..
9p 9p: fix error path during early mount 2008-05-14 19:23:27 -05:00
802 [TR] net/802/tr.c: sysctl_tr_rif_timeout static 2008-01-31 19:28:31 -08:00
8021q vlan: Use bitmask of feature flags instead of seperate feature bits 2008-05-23 00:27:50 -07:00
appletalk [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS. 2008-03-26 04:39:53 +09:00
atm Revert "atm: Do not free already unregistered net device." 2008-05-06 00:00:16 -07:00
ax25 ax25: Fix NULL pointer dereference and lockup. 2008-06-03 14:53:46 -07:00
bluetooth bluetooth: rfcomm_dev_state_change deadlock fix 2008-06-03 14:27:17 -07:00
bridge bridge: Consolidate error paths in br_add_bridge(). 2008-05-04 17:58:07 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-05-08 19:03:26 -07:00
core net: Fix test for VLAN TX checksum offload capability 2008-06-16 17:02:28 -07:00
dccp dccp: Bug in initial acknowledgment number assignment 2008-06-11 11:19:10 +01:00
decnet ip: Use inline function dst_metric() instead of direct access to dst->metric[] 2008-05-04 22:14:42 -07:00
econet net: Allow netdevices to specify needed head/tailroom 2008-05-12 20:48:31 -07:00
ethernet [NET]: Return more appropriate error from eth_validate_addr(). 2008-04-13 22:45:40 -07:00
ieee80211 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-04-14 02:30:23 -07:00
ipv4 tcp: Revert reset of deferred accept changes in 2.6.26 2008-06-16 16:57:40 -07:00
ipv6 ipv6 sit: Avoid extra need for compat layer in PRL management. 2008-06-16 16:48:20 -07:00
ipx [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS. 2008-03-26 04:39:53 +09:00
irda irda: Sock leak on error path in irda_create. 2008-06-03 15:18:36 -07:00
iucv iucv: Delay bus registration until core is ready. 2008-04-10 02:12:45 -07:00
key ipsec: pfkey should ignore events when no listeners 2008-06-10 14:25:34 -07:00
lapb [LAPB] net/lapb/lapb_iface.c: use LIST_HEAD instead of LIST_HEAD_INIT 2008-01-28 14:56:52 -08:00
llc llc: Fix double accounting of received packets 2008-05-30 02:57:29 -07:00
mac80211 mac80211: add missing new line in debug print HT_DEBUG 2008-06-13 16:14:53 -04:00
netfilter netfilter: nf_conntrack: fix ctnetlink related crash in nf_nat_setup_info() 2008-06-11 17:51:10 -07:00
netlabel Audit: collect sessionid in netlink messages 2008-04-28 06:18:03 -04:00
netlink netlink: Improve returned error codes 2008-06-03 16:36:54 -07:00
netrom [NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS. 2008-03-26 04:39:55 +09:00
packet net: Allow netdevices to specify needed head/tailroom 2008-05-12 20:48:31 -07:00
rfkill rfkill: Fix device type check when toggling states 2008-04-15 15:04:35 -04:00
rose rose: Wrong list_lock argument in rose_node seqops 2008-05-02 17:03:22 -07:00
rxrpc net: Add missing braces to multi-statement if()s 2008-05-02 16:20:10 -07:00
sched pkt_sched: Change HTB_HYSTERESIS to a runtime parameter htb_hysteresis. 2008-06-16 16:39:32 -07:00
sctp sctp: Correclty set changeover_active for SFR-CACC 2008-06-16 17:00:29 -07:00
sunrpc Merge branch 'for-2.6.26' of git://linux-nfs.org/~bfields/linux 2008-05-20 19:30:54 -07:00
tipc tipc: Increase buffer header to support worst-case device 2008-05-08 21:38:24 -07:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-04-24 08:40:34 -07:00
wanrouter [WANROUTER]: Use proc_create() to setup ->proc_fops first 2008-02-28 14:15:56 -08:00
wireless netlink: Improve returned error codes 2008-06-03 16:36:54 -07:00
x25 [NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS. 2008-03-26 04:39:55 +09:00
xfrm xfrm: xfrm_algo: correct usage of RIPEMD-160 2008-06-04 12:04:55 -07:00
compat.c net: Add compat support for getsockopt (MCAST_MSFILTER) 2008-04-29 03:23:22 -07:00
Kconfig [IPV4]: Fix size description of CONFIG_INET. 2008-03-04 15:18:22 +09:00
Makefile [CAN]: Add PF_CAN core module 2008-01-28 14:54:10 -08:00
nonet.c
socket.c net: Unexport move_addr_to_{kernel,user} 2008-04-23 03:37:49 -07:00
sysctl_net.c net: fix returning void-valued expression warnings 2008-05-01 02:47:38 -07:00
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