[dpdk-dev] [PATCH 10/39] examples/exception_path: convert to new ethdev offloads API

[Shahaf Shuler]

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/exception_path/main.c | 38 +++++++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 8 deletions(-)

diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c
index f8f5bbdf0..e5f69a4f6 100644
--- a/examples/exception_path/main.c
+++ b/examples/exception_path/main.c
@@ -107,13 +107,10 @@
  */
 
 /* Options for configuring ethernet port */
-static const struct rte_eth_conf port_conf = {
+static struct rte_eth_conf port_conf = {
 	.rxmode = {
-		.header_split = 0,      /* Header Split disabled */
-		.hw_ip_checksum = 0,    /* IP checksum offload disabled */
-		.hw_vlan_filter = 0,    /* VLAN filtering disabled */
-		.jumbo_frame = 0,       /* Jumbo Frame Support disabled */
-		.hw_strip_crc = 1,      /* CRC stripped by hardware */
+		.ignore_offload_bitfield = 1,
+		.offloads = DEV_RX_OFFLOAD_CRC_STRIP,
 	},
 	.txmode = {
 		.mq_mode = ETH_MQ_TX_NONE,
@@ -447,10 +444,30 @@ init_port(uint16_t port)
 	int ret;
 	uint16_t nb_rxd = NB_RXD;
 	uint16_t nb_txd = NB_TXD;
+	struct rte_eth_dev_info dev_info;
+	struct rte_eth_rxconf rxq_conf;
+	struct rte_eth_txconf txq_conf;
 
 	/* Initialise device and RX/TX queues */
 	PRINT_INFO("Initialising port %u ...", port);
 	fflush(stdout);
+	rte_eth_dev_info_get(port, &dev_info);
+	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",
+		       port, 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",
+		       port, port_conf.txmode.offloads,
+		       dev_info.tx_offload_capa);
+		port_conf.txmode.offloads &= dev_info.tx_offload_capa;
+	}
 	ret = rte_eth_dev_configure(port, 1, 1, &port_conf);
 	if (ret < 0)
 		FATAL_ERROR("Could not configure port%u (%d)", port, ret);
@@ -460,17 +477,22 @@ init_port(uint16_t port)
 		FATAL_ERROR("Could not adjust number of descriptors for port%u (%d)",
 			    port, ret);
 
+	rxq_conf = dev_info.default_rxconf;
+	rxq_conf.offloads = port_conf.rxmode.offloads;
 	ret = rte_eth_rx_queue_setup(port, 0, nb_rxd,
 				rte_eth_dev_socket_id(port),
-				NULL,
+				&rxq_conf,
 				pktmbuf_pool);
 	if (ret < 0)
 		FATAL_ERROR("Could not setup up RX queue for port%u (%d)",
 				port, ret);
 
+	txq_conf = dev_info.default_txconf;
+	txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
+	txq_conf.offloads = port_conf.txmode.offloads;
 	ret = rte_eth_tx_queue_setup(port, 0, nb_txd,
 				rte_eth_dev_socket_id(port),
-				NULL);
+				&txq_conf);
 	if (ret < 0)
 		FATAL_ERROR("Could not setup up TX queue for port%u (%d)",
 				port, ret);
-- 
2.12.0