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Commit 50050877 authored by Ben Hutchings's avatar Ben Hutchings Committed by David S. Miller
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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: default avatarBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 740ced99

drivers/net/sfc/falcon.c

+8 −5
Original line number Diff line number Diff line
@@ -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)

	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;