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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO2PR03MB2357 Subject: [dpdk-dev] [PATCH v3 10/19] net/dpaa: change Tx HW budget to 7 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Nipun Gupta 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(-) -- 2.7.4 diff --git a/drivers/net/dpaa/dpaa_ethdev.h b/drivers/net/dpaa/dpaa_ethdev.h index f00a77a..1b36567 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 630d7a5..565ca50 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)) {