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>
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@ -784,15 +784,18 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
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rx_ev_buf_owner_id_err | rx_ev_eth_crc_err |
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rx_ev_frm_trunc | rx_ev_ip_hdr_chksum_err);
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/* Count errors that are not in MAC stats. */
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/* Count errors that are not in MAC stats. Ignore expected
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* checksum errors during self-test. */
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if (rx_ev_frm_trunc)
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++rx_queue->channel->n_rx_frm_trunc;
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else if (rx_ev_tobe_disc)
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++rx_queue->channel->n_rx_tobe_disc;
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else if (rx_ev_ip_hdr_chksum_err)
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++rx_queue->channel->n_rx_ip_hdr_chksum_err;
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else if (rx_ev_tcp_udp_chksum_err)
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++rx_queue->channel->n_rx_tcp_udp_chksum_err;
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else if (!efx->loopback_selftest) {
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if (rx_ev_ip_hdr_chksum_err)
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++rx_queue->channel->n_rx_ip_hdr_chksum_err;
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else if (rx_ev_tcp_udp_chksum_err)
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++rx_queue->channel->n_rx_tcp_udp_chksum_err;
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}
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if (rx_ev_ip_frag_err)
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++rx_queue->channel->n_rx_ip_frag_err;
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