[dpdk-dev] [PATCH v3 12/39] examples/ip_fragmentation: convert to new offloads API

Shahaf Shuler shahafs at mellanox.com
Tue Dec 26 10:23:11 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: Konstantin Ananyev <konstantin.ananyev at intel.com>
---
 examples/ip_fragmentation/main.c | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c
index 5aefe0987..55fb7d942 100644
--- a/examples/ip_fragmentation/main.c
+++ b/examples/ip_fragmentation/main.c
@@ -169,14 +169,15 @@ 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 = 1, /**< IP checksum offload enabled */
-		.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_CHECKSUM |
+			     DEV_RX_OFFLOAD_JUMBO_FRAME |
+			     DEV_RX_OFFLOAD_CRC_STRIP),
 	},
 	.txmode = {
 		.mq_mode = ETH_MQ_TX_NONE,
+		.offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
+			     DEV_TX_OFFLOAD_MULTI_SEGS),
 	},
 };
 
@@ -905,6 +906,9 @@ main(int argc, char **argv)
 
 	/* initialize all ports */
 	for (portid = 0; portid < nb_ports; portid++) {
+		struct rte_eth_conf local_port_conf = port_conf;
+		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);
@@ -915,8 +919,9 @@ main(int argc, char **argv)
 
 		/* limit the frame size to the maximum supported by NIC */
 		rte_eth_dev_info_get(portid, &dev_info);
-		port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
-		    dev_info.max_rx_pktlen, port_conf.rxmode.max_rx_pkt_len);
+		local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
+		    dev_info.max_rx_pktlen,
+		    local_port_conf.rxmode.max_rx_pkt_len);
 
 		/* get the lcore_id for this port */
 		while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
@@ -949,8 +954,11 @@ 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.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+			local_port_conf.txmode.offloads |=
+				DEV_TX_OFFLOAD_MBUF_FAST_FREE;
 		ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
-					    &port_conf);
+					    &local_port_conf);
 		if (ret < 0) {
 			printf("\n");
 			rte_exit(EXIT_FAILURE, "Cannot configure device: "
@@ -967,8 +975,10 @@ main(int argc, char **argv)
 		}
 
 		/* init one RX queue */
+		rxq_conf = dev_info.default_rxconf;
+		rxq_conf.offloads = local_port_conf.rxmode.offloads;
 		ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
-					     socket, NULL,
+					     socket, &rxq_conf,
 					     socket_direct_pool[socket]);
 		if (ret < 0) {
 			printf("\n");
@@ -992,7 +1002,8 @@ 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 = local_port_conf.txmode.offloads;
 			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 						     socket, txconf);
 			if (ret < 0) {
-- 
2.12.0



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