diff options
| author | Dimitris Michailidis <dm@chelsio.com> | 2010-08-02 13:19:17 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-08-02 16:26:41 -0700 |
| commit | ba5d3c66e02c3dac66a386b6af0dc9687a4dba67 (patch) | |
| tree | 8193d85ea620f7322f1aeacfa2754fa7ff285fd5 | |
| parent | 63bcceec6e3ba8ffe0e2a0bec75afcdf6403165c (diff) | |
| download | blackbird-op-linux-ba5d3c66e02c3dac66a386b6af0dc9687a4dba67.tar.gz blackbird-op-linux-ba5d3c66e02c3dac66a386b6af0dc9687a4dba67.zip | |
cxgb4: don't offload Rx checksums for IPv6 fragments
The checksum provided by the device doesn't include the L3 headers,
as IPv6 expects.
Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/cxgb4/sge.c | 7 | ||||
| -rw-r--r-- | drivers/net/cxgb4/t4_msg.h | 2 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/cxgb4/sge.c b/drivers/net/cxgb4/sge.c index 4388f72d586a..304302a71dbc 100644 --- a/drivers/net/cxgb4/sge.c +++ b/drivers/net/cxgb4/sge.c @@ -1593,14 +1593,15 @@ int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, if (csum_ok && (pi->rx_offload & RX_CSO) && (pkt->l2info & htonl(RXF_UDP | RXF_TCP))) { - if (!pkt->ip_frag) + if (!pkt->ip_frag) { skb->ip_summed = CHECKSUM_UNNECESSARY; - else { + rxq->stats.rx_cso++; + } else if (pkt->l2info & htonl(RXF_IP)) { __sum16 c = (__force __sum16)pkt->csum; skb->csum = csum_unfold(c); skb->ip_summed = CHECKSUM_COMPLETE; + rxq->stats.rx_cso++; } - rxq->stats.rx_cso++; } else skb->ip_summed = CHECKSUM_NONE; diff --git a/drivers/net/cxgb4/t4_msg.h b/drivers/net/cxgb4/t4_msg.h index 623932b39b5d..a550d0c706f3 100644 --- a/drivers/net/cxgb4/t4_msg.h +++ b/drivers/net/cxgb4/t4_msg.h @@ -529,6 +529,8 @@ struct cpl_rx_pkt { __be32 l2info; #define RXF_UDP (1 << 22) #define RXF_TCP (1 << 23) +#define RXF_IP (1 << 24) +#define RXF_IP6 (1 << 25) __be16 hdr_len; __be16 err_vec; }; |
