[dpdk-dev] [PATCH v2 6/8] net/memif: remove extra check
Honnappa Nagarahalli
honnappa.nagarahalli at arm.com
Mon Sep 28 21:03:32 CEST 2020
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 <honnappa.nagarahalli at arm.com>
Reviewed-by: Phil Yang <phil.yang at arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>
---
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 404c86ae8..9babd073a 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) {
--
2.17.1
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