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bnxt_en: Reset device on RX buffer errors.
[ Upstream commit8e44e96c6c
] 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:c0c050c58d
("bnxt_en: New Broadcom ethernet driver.") Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 6 additions and 0 deletions
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@ -1573,11 +1573,17 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons,
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rx_buf->data = NULL;
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if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L2_ERRORS) {
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u32 rx_err = le32_to_cpu(rxcmp1->rx_cmp_cfa_code_errors_v2);
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bnxt_reuse_rx_data(rxr, cons, data);
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if (agg_bufs)
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bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs);
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rc = -EIO;
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if (rx_err & RX_CMPL_ERRORS_BUFFER_ERROR_MASK) {
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netdev_warn(bp->dev, "RX buffer error %x\n", rx_err);
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bnxt_sched_reset(bp, rxr);
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}
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goto next_rx;
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}
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