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net/memif: remove extra check

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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@arm.com>
Reviewed-by: Phil Yang <phil.yang@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Reviewed-by: Jakub Grajciar <jgrajcia@cisco.com>
This commit is contained in:
Honnappa Nagarahalli 2020-09-28 14:03:32 -05:00 committed by Ferruh Yigit
parent 3a086c2038
commit 9e14c024d1
1 changed files with 2 additions and 6 deletions
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8
drivers/net/memif/rte_eth_memif.c
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@ -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) {