Messages in this thread Patch in this message | | | Date | Sun, 06 Dec 2009 16:00:53 -0800 | From | Greg KH <> | Subject | [077/119] sfc: Set ip_summed correctly for page buffers passed to GRO |
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2.6.31-stable review patch. If anyone has any objections, please let us know.
------------------ From: Ben Hutchings <bhutchings@solarflare.com>
[ Upstream commit 345056af41feeda506a8993474b9cbb2c66bc9fb ]
Page buffers containing packets with an incorrect checksum or using a protocol not handled by hardware checksum offload were previously not passed to LRO. The conversion to GRO changed this, but did not set the ip_summed value accordingly.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- drivers/net/sfc/rx.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
--- a/drivers/net/sfc/rx.c +++ b/drivers/net/sfc/rx.c @@ -444,7 +444,8 @@ static void efx_rx_packet__check_len(str * the appropriate LRO method */ static void efx_rx_packet_lro(struct efx_channel *channel, - struct efx_rx_buffer *rx_buf) + struct efx_rx_buffer *rx_buf, + bool checksummed) { struct napi_struct *napi = &channel->napi_str; @@ -466,7 +467,8 @@ static void efx_rx_packet_lro(struct efx skb->len = rx_buf->len; skb->data_len = rx_buf->len; skb->truesize += rx_buf->len; - skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->ip_summed = + checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE; napi_gro_frags(napi); @@ -475,6 +477,7 @@ out: rx_buf->page = NULL; } else { EFX_BUG_ON_PARANOID(!rx_buf->skb); + EFX_BUG_ON_PARANOID(!checksummed); napi_gro_receive(napi, rx_buf->skb); rx_buf->skb = NULL; @@ -570,7 +573,7 @@ void __efx_rx_packet(struct efx_channel } if (likely(checksummed || rx_buf->page)) { - efx_rx_packet_lro(channel, rx_buf); + efx_rx_packet_lro(channel, rx_buf, checksummed); goto done; }
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