diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-12-12 21:42:42 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-12 21:57:56 -0800 |
| commit | 5005087728e37db133fee05bb0923c50e673ae99 (patch) | |
| tree | 0327285778a90003736d4d9f896944460d31e547 /drivers/net/sfc | |
| parent | 740ced9927cabe0f776265ea24fc399a71bcdef5 (diff) | |
| download | op-kernel-dev-5005087728e37db133fee05bb0923c50e673ae99.zip op-kernel-dev-5005087728e37db133fee05bb0923c50e673ae99.tar.gz | |
sfc: Don't count RX checksum errors during loopback self-test
The loopback self-test checks that IP packets with incorrect checksums
are not altered when sent on a queue with checksum generation off.
These should not contribute to RX error statistics.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc')
| -rw-r--r-- | drivers/net/sfc/falcon.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index e32be4c..97cc037 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -784,15 +784,18 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue, rx_ev_buf_owner_id_err | rx_ev_eth_crc_err | rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err); - /* Count errors that are not in MAC stats. */ + /* Count errors that are not in MAC stats. Ignore expected + * checksum errors during self-test. */ if (rx_ev_frm_trunc) ++rx_queue->channel->n_rx_frm_trunc; else if (rx_ev_tobe_disc) ++rx_queue->channel->n_rx_tobe_disc; - else if (rx_ev_ip_hdr_chksum_err) - ++rx_queue->channel->n_rx_ip_hdr_chksum_err; - else if (rx_ev_tcp_udp_chksum_err) - ++rx_queue->channel->n_rx_tcp_udp_chksum_err; + else if (!efx->loopback_selftest) { + if (rx_ev_ip_hdr_chksum_err) + ++rx_queue->channel->n_rx_ip_hdr_chksum_err; + else if (rx_ev_tcp_udp_chksum_err) + ++rx_queue->channel->n_rx_tcp_udp_chksum_err; + } if (rx_ev_ip_frag_err) ++rx_queue->channel->n_rx_ip_frag_err; |
