[dpdk-dev] [PATCH v3 32/39] examples/eventdev_pipeline: convert to new offloads API

Shahaf Shuler shahafs at mellanox.com
Tue Dec 26 10:23:31 CET 2017


Ethdev offloads API has changed since:

commit ce17eddefc20 ("ethdev: introduce Rx queue offloads API")
commit cba7f53b717d ("ethdev: introduce Tx queue offloads API")

This commit support the new API.

Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
Acked-by: Harry van Haaren <harry.van.haaren at intel.com>
---
 examples/eventdev_pipeline_sw_pmd/main.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/examples/eventdev_pipeline_sw_pmd/main.c b/examples/eventdev_pipeline_sw_pmd/main.c
index 5f431d87d..eb3adb826 100644
--- a/examples/eventdev_pipeline_sw_pmd/main.c
+++ b/examples/eventdev_pipeline_sw_pmd/main.c
@@ -563,7 +563,8 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool)
 	static const struct rte_eth_conf port_conf_default = {
 		.rxmode = {
 			.mq_mode = ETH_MQ_RX_RSS,
-			.max_rx_pkt_len = ETHER_MAX_LEN
+			.max_rx_pkt_len = ETHER_MAX_LEN,
+			.ignore_offload_bitfield = 1,
 		},
 		.rx_adv_conf = {
 			.rss_conf = {
@@ -578,10 +579,17 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool)
 	struct rte_eth_conf port_conf = port_conf_default;
 	int retval;
 	uint16_t q;
+	struct rte_eth_dev_info dev_info;
+	struct rte_eth_txconf txconf;
 
 	if (port >= rte_eth_dev_count())
 		return -1;
 
+	rte_eth_dev_info_get(port, &dev_info);
+	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+		port_conf.txmode.offloads |=
+			DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
 	/* Configure the Ethernet device. */
 	retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
 	if (retval != 0)
@@ -595,10 +603,13 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool)
 			return retval;
 	}
 
+	txconf = dev_info.default_txconf;
+	txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
+	txconf.offloads = port_conf_default.txmode.offloads;
 	/* Allocate and set up 1 TX queue per Ethernet port. */
 	for (q = 0; q < tx_rings; q++) {
 		retval = rte_eth_tx_queue_setup(port, q, tx_ring_size,
-				rte_eth_dev_socket_id(port), NULL);
+				rte_eth_dev_socket_id(port), &txconf);
 		if (retval < 0)
 			return retval;
 	}
-- 
2.12.0



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