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net/dpaa: change Tx HW budget to 7

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change the TX budget to 7 to sync best with the hw.

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Nipun Gupta 2018-01-10 16:16:32 +05:30 committed by Ferruh Yigit
parent 9d32ef0f5d
commit b0a87fe2d9
2 changed files with 4 additions and 3 deletions
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2
drivers/net/dpaa/dpaa_ethdev.h
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@ -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 */

5
drivers/net/dpaa/dpaa_rxtx.c
View File

@ -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)) {