[dpdk-dev] [PATCH 16/39] examples/ipv4_multicast: convert to new ethdev offloads API

Shahaf Shuler shahafs at mellanox.com
Thu Nov 23 13:19:18 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>
---
 examples/ipv4_multicast/main.c | 35 ++++++++++++++++++++++++++++-------
 1 file changed, 28 insertions(+), 7 deletions(-)

diff --git a/examples/ipv4_multicast/main.c b/examples/ipv4_multicast/main.c
index 1c5851654..1b8ad3e4e 100644
--- a/examples/ipv4_multicast/main.c
+++ b/examples/ipv4_multicast/main.c
@@ -138,14 +138,13 @@ static struct rte_eth_conf port_conf = {
 	.rxmode = {
 		.max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
 		.split_hdr_size = 0,
-		.header_split   = 0, /**< Header Split disabled */
-		.hw_ip_checksum = 0, /**< IP checksum offload disabled */
-		.hw_vlan_filter = 0, /**< VLAN filtering disabled */
-		.jumbo_frame    = 1, /**< Jumbo Frame Support enabled */
-		.hw_strip_crc   = 1, /**< CRC stripped by hardware */
+		.ignore_offload_bitfield = 1,
+		.offloads = (DEV_RX_OFFLOAD_JUMBO_FRAME |
+			     DEV_RX_OFFLOAD_CRC_STRIP),
 	},
 	.txmode = {
 		.mq_mode = ETH_MQ_TX_NONE,
+		.offloads = DEV_TX_OFFLOAD_MULTI_SEGS,
 	},
 };
 
@@ -714,6 +713,8 @@ main(int argc, char **argv)
 
 	/* initialize all ports */
 	for (portid = 0; portid < nb_ports; portid++) {
+		struct rte_eth_rxconf rxq_conf;
+
 		/* skip ports that are not enabled */
 		if ((enabled_port_mask & (1 << portid)) == 0) {
 			printf("Skipping disabled port %d\n", portid);
@@ -748,6 +749,23 @@ main(int argc, char **argv)
 		n_tx_queue = nb_lcores;
 		if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
 			n_tx_queue = MAX_TX_QUEUE_PER_PORT;
+
+		if ((dev_info.rx_offload_capa & port_conf.rxmode.offloads) !=
+		    port_conf.rxmode.offloads) {
+			printf("Some Rx offloads are not supported "
+			       "by port %d: requested 0x%lx supported 0x%lx\n",
+			       portid, port_conf.rxmode.offloads,
+			       dev_info.rx_offload_capa);
+			port_conf.rxmode.offloads &= dev_info.rx_offload_capa;
+		}
+		if ((dev_info.tx_offload_capa & port_conf.txmode.offloads) !=
+		    port_conf.txmode.offloads) {
+			printf("Some Tx offloads are not supported "
+			       "by port %d: requested 0x%lx supported 0x%lx\n",
+			       portid, port_conf.txmode.offloads,
+			       dev_info.tx_offload_capa);
+			port_conf.txmode.offloads &= dev_info.tx_offload_capa;
+		}
 		ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
 					    &port_conf);
 		if (ret < 0)
@@ -769,9 +787,11 @@ main(int argc, char **argv)
 		queueid = 0;
 		printf("rxq=%hu ", queueid);
 		fflush(stdout);
+		rxq_conf = dev_info.default_rxconf;
+		rxq_conf.offloads = port_conf.rxmode.offloads;
 		ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
 					     rte_eth_dev_socket_id(portid),
-					     NULL,
+					     &rxq_conf,
 					     packet_pool);
 		if (ret < 0)
 			rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, port=%d\n",
@@ -787,7 +807,8 @@ main(int argc, char **argv)
 			fflush(stdout);
 
 			txconf = &dev_info.default_txconf;
-			txconf->txq_flags = 0;
+			txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
+			txconf->offloads = port_conf.txmode.offloads;
 			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 						     rte_lcore_to_socket_id(lcore_id), txconf);
 			if (ret < 0)
-- 
2.12.0



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