X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_ef10_rx.c;h=5c0152d01f134928f6d9708ab93b900f1a2871c8;hb=f609ee3f2a32806689e0f1d9d841c97e0409bf55;hp=6a5052b93d6d7dfde92f26f02a72aadae6bf3b28;hpb=4a61f16444541c2fa13e345af0a3c3532434a93a;p=dpdk.git diff --git a/drivers/net/sfc/sfc_ef10_rx.c b/drivers/net/sfc/sfc_ef10_rx.c index 6a5052b93d..5c0152d01f 100644 --- a/drivers/net/sfc/sfc_ef10_rx.c +++ b/drivers/net/sfc/sfc_ef10_rx.c @@ -359,11 +359,11 @@ 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)) { @@ -383,6 +383,7 @@ 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; } @@ -594,8 +595,9 @@ 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); @@ -642,12 +644,16 @@ 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; }