From b0a87fe2d9869d6863c9664ff0ad5d3c0b3536d6 Mon Sep 17 00:00:00 2001 From: Nipun Gupta Date: Wed, 10 Jan 2018 16:16:32 +0530 Subject: [PATCH] net/dpaa: change Tx HW budget to 7 change the TX budget to 7 to sync best with the hw. Signed-off-by: Nipun Gupta Acked-by: Hemant Agrawal --- drivers/net/dpaa/dpaa_ethdev.h | 2 +- drivers/net/dpaa/dpaa_rxtx.c | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/dpaa/dpaa_ethdev.h b/drivers/net/dpaa/dpaa_ethdev.h index f00a77ae35..1b36567dbf 100644 --- a/drivers/net/dpaa/dpaa_ethdev.h +++ b/drivers/net/dpaa/dpaa_ethdev.h @@ -41,7 +41,7 @@ #define DPAA_MAX_MAC_FILTER (MEMAC_NUM_OF_PADDRS + 1) /*Maximum number of slots available in TX ring*/ -#define MAX_TX_RING_SLOTS 8 +#define DPAA_TX_BURST_SIZE 7 #ifndef VLAN_TAG_SIZE #define VLAN_TAG_SIZE 4 /** < Vlan Header Length */ diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c index 630d7a51b6..565ca50da7 100644 --- a/drivers/net/dpaa/dpaa_rxtx.c +++ b/drivers/net/dpaa/dpaa_rxtx.c @@ -669,7 +669,7 @@ dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) struct rte_mbuf *mbuf, *mi = NULL; struct rte_mempool *mp; struct dpaa_bp_info *bp_info; - struct qm_fd fd_arr[MAX_TX_RING_SLOTS]; + struct qm_fd fd_arr[DPAA_TX_BURST_SIZE]; uint32_t frames_to_send, loop, i = 0; uint16_t state; int ret; @@ -683,7 +683,8 @@ dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q); while (nb_bufs) { - frames_to_send = (nb_bufs >> 3) ? MAX_TX_RING_SLOTS : nb_bufs; + frames_to_send = (nb_bufs > DPAA_TX_BURST_SIZE) ? + DPAA_TX_BURST_SIZE : nb_bufs; for (loop = 0; loop < frames_to_send; loop++, i++) { mbuf = bufs[i]; if (RTE_MBUF_DIRECT(mbuf)) { -- 2.20.1