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| author | Ajit Khaparde <ajitkhaparde@gmail.com> | 2010-02-16 23:25:43 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-24 06:09:31 +0300 |
| commit | c4d49794ff2838038fd9756eae39c39a5a685833 (patch) | |
| tree | 0511704f9660c27e1bd704d45d3f45457b851c64 /drivers/net/usb/cdc_ether.c | |
| parent | 675c60706cd197219c6e3e6e3f195475d842344e (diff) | |
| download | linux-c4d49794ff2838038fd9756eae39c39a5a685833.tar.xz | |
net: bug fix for vlan + gro issue
Traffic (tcp) doesnot start on a vlan interface when gro is enabled.
Even the tcp handshake was not taking place.
This is because, the eth_type_trans call before the netif_receive_skb
in napi_gro_finish() resets the skb->dev to napi->dev from the previously
set vlan netdev interface. This causes the ip_route_input to drop the
incoming packet considering it as a packet coming from a martian source.
I could repro this on 2.6.32.7 (stable) and 2.6.33-rc7.
With this fix, the traffic starts and the test runs fine on both vlan
and non-vlan interfaces.
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Patrick McHardy <kaber@trash.net>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/cdc_ether.c')
0 files changed, 0 insertions, 0 deletions