From 9e14c024d138816c7c4e4978732f19f57895b21f Mon Sep 17 00:00:00 2001 From: Honnappa Nagarahalli Date: Mon, 28 Sep 2020 14:03:32 -0500 Subject: [PATCH] net/memif: remove extra check eth_memif_tx_zc function is called only for S2M rings. Remove additional code for M2S rings in this function. Signed-off-by: Honnappa Nagarahalli Reviewed-by: Phil Yang Reviewed-by: Ruifeng Wang Reviewed-by: Jakub Grajciar --- drivers/net/memif/rte_eth_memif.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/net/memif/rte_eth_memif.c b/drivers/net/memif/rte_eth_memif.c index 2a71a7841b..0b64e478c2 100644 --- a/drivers/net/memif/rte_eth_memif.c +++ b/drivers/net/memif/rte_eth_memif.c @@ -735,7 +735,6 @@ eth_memif_tx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) rte_eth_devices[mq->in_port].process_private; memif_ring_t *ring = memif_get_ring_from_queue(proc_private, mq); uint16_t slot, n_free, ring_size, mask, n_tx_pkts = 0; - memif_ring_type_t type = mq->type; struct rte_eth_link link; if (unlikely((pmd->flags & ETH_MEMIF_FLAG_CONNECTED) == 0)) @@ -812,11 +811,8 @@ eth_memif_tx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) } no_free_slots: - /* update ring pointers */ - if (type == MEMIF_RING_S2M) - __atomic_store_n(&ring->head, slot, __ATOMIC_RELEASE); - else - __atomic_store_n(&ring->tail, slot, __ATOMIC_RELEASE); + /* ring type always MEMIF_RING_S2M */ + __atomic_store_n(&ring->head, slot, __ATOMIC_RELEASE); /* Send interrupt, if enabled. */ if ((ring->flags & MEMIF_RING_FLAG_MASK_INT) == 0) { -- 2.20.1