[dpdk-dev] [PATCH v2 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 <shah...@mellanox.com>
---
 examples/exception_path/main.c | 37 +++++++++++++++++++++++++++++--------
 1 file changed, 29 insertions(+), 8 deletions(-)

diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c
index f8f5bbd..dc0546a 100644
--- a/examples/exception_path/main.c
+++ b/examples/exception_path/main.c
@@ -107,16 +107,14 @@
  */
 
 /* 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,
+               .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE,
        },
 };
 
@@ -447,10 +445,28 @@ static int tap_create(char *name)
        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);
+       }
+       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);
+       }
        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 +476,22 @@ static int tap_create(char *name)
                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);
-- 
1.8.3.1