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sfc: Don't count RX checksum errors during loopback self-test

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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>
This commit is contained in:
Ben Hutchings 2008-12-12 21:42:42 -08:00 committed by David S. Miller
parent 740ced9927
commit 5005087728
1 changed files with 8 additions and 5 deletions
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13
drivers/net/sfc/falcon.c
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@ -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;