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Commit 8e44e96c authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
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bnxt_en: Reset device on RX buffer errors. 



If the RX completion indicates RX buffers errors, the RX ring will be
disabled by firmware and no packets will be received on that ring from
that point on.  Recover by resetting the device.

Fixes: c0c050c5 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a1b0e4e6

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+6 −0
Original line number Diff line number Diff line
@@ -1614,11 +1614,17 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, 


	rx_buf->data = NULL;

	if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L2_ERRORS) {

		u32 rx_err = le32_to_cpu(rxcmp1->rx_cmp_cfa_code_errors_v2);



		bnxt_reuse_rx_data(rxr, cons, data);

		if (agg_bufs)

			bnxt_reuse_rx_agg_bufs(cpr, cp_cons, agg_bufs);



		rc = -EIO;

		if (rx_err & RX_CMPL_ERRORS_BUFFER_ERROR_MASK) {

			netdev_warn(bp->dev, "RX buffer error %x\n", rx_err);

			bnxt_sched_reset(bp, rxr);

		}

		goto next_rx;

	}