diff options
Diffstat (limited to 'drivers/net/sfc/sfc_ef10_rx.c')
| -rw-r--r-- | drivers/net/sfc/sfc_ef10_rx.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/sfc/sfc_ef10_rx.c b/drivers/net/sfc/sfc_ef10_rx.c index bd2cbd09..7069c534 100644 --- a/drivers/net/sfc/sfc_ef10_rx.c +++ b/drivers/net/sfc/sfc_ef10_rx.c @@ -489,11 +489,11 @@ sfc_ef10_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) uint16_t n_rx_pkts; efx_qword_t rx_ev; + n_rx_pkts = sfc_ef10_rx_prepared(rxq, rx_pkts, nb_pkts); + if (unlikely(rxq->flags & (SFC_EF10_RXQ_NOT_RUNNING | SFC_EF10_RXQ_EXCEPTION))) - return 0; - - n_rx_pkts = sfc_ef10_rx_prepared(rxq, rx_pkts, nb_pkts); + goto done; evq_old_read_ptr = rxq->evq_read_ptr; while (n_rx_pkts != nb_pkts && sfc_ef10_rx_get_event(rxq, &rx_ev)) { @@ -513,6 +513,7 @@ sfc_ef10_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) /* It is not a problem if we refill in the case of exception */ sfc_ef10_rx_qrefill(rxq); +done: return n_rx_pkts; } @@ -646,8 +647,9 @@ sfc_ef10_rx_qstart(struct sfc_dp_rxq *dp_rxq, unsigned int evq_read_ptr) { struct sfc_ef10_rxq *rxq = sfc_ef10_rxq_by_dp_rxq(dp_rxq); - rxq->prepared = 0; - rxq->completed = rxq->added = 0; + SFC_ASSERT(rxq->prepared == 0); + SFC_ASSERT(rxq->completed == 0); + SFC_ASSERT(rxq->added == 0); sfc_ef10_rx_qrefill(rxq); @@ -694,12 +696,16 @@ sfc_ef10_rx_qpurge(struct sfc_dp_rxq *dp_rxq) unsigned int i; struct sfc_ef10_rx_sw_desc *rxd; + rxq->prepared = 0; + for (i = rxq->completed; i != rxq->added; ++i) { rxd = &rxq->sw_ring[i & rxq->ptr_mask]; rte_mempool_put(rxq->refill_mb_pool, rxd->mbuf); rxd->mbuf = NULL; } + rxq->completed = rxq->added = 0; + rxq->flags &= ~SFC_EF10_RXQ_STARTED; } |