[dpdk-dev] [PATCH 4/5] net/sfc: add Tx queue flush failed flag for sanity
Andrew Rybchenko
arybchenko at solarflare.com
Sat May 27 09:55:33 CEST 2017
Avoid usage of flushing state when Tx queue flush init failed.
Fixes: fed9aeb46c19 ("net/sfc: implement transmit path start / stop")
Cc: stable at dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
drivers/net/sfc/sfc_tx.c | 2 +-
drivers/net/sfc/sfc_tx.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c
index d75fb84..9e426ca 100644
--- a/drivers/net/sfc/sfc_tx.c
+++ b/drivers/net/sfc/sfc_tx.c
@@ -503,7 +503,7 @@ sfc_tx_qstop(struct sfc_adapter *sa, unsigned int sw_index)
(retry_count < SFC_TX_QFLUSH_ATTEMPTS);
++retry_count) {
if (efx_tx_qflush(txq->common) != 0) {
- txq->state |= SFC_TXQ_FLUSHING;
+ txq->state |= SFC_TXQ_FLUSH_FAILED;
break;
}
diff --git a/drivers/net/sfc/sfc_tx.h b/drivers/net/sfc/sfc_tx.h
index 6c3ac3b..0c1c708 100644
--- a/drivers/net/sfc/sfc_tx.h
+++ b/drivers/net/sfc/sfc_tx.h
@@ -64,6 +64,8 @@ enum sfc_txq_state_bit {
#define SFC_TXQ_FLUSHING (1 << SFC_TXQ_FLUSHING_BIT)
SFC_TXQ_FLUSHED_BIT,
#define SFC_TXQ_FLUSHED (1 << SFC_TXQ_FLUSHED_BIT)
+ SFC_TXQ_FLUSH_FAILED_BIT,
+#define SFC_TXQ_FLUSH_FAILED (1 << SFC_TXQ_FLUSH_FAILED_BIT)
};
/**
--
2.9.4
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