[dpdk-dev] [PATCH v2 38/39] examples/server_node_efd: 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/server_node_efd/server/init.c | 33 +++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/examples/server_node_efd/server/init.c 
b/examples/server_node_efd/server/init.c
index 0bcab8c..19d0ff4 100644
--- a/examples/server_node_efd/server/init.c
+++ b/examples/server_node_efd/server/init.c
@@ -123,14 +123,20 @@
 init_port(uint16_t port_num)
 {
        /* for port configuration all features are off by default */
-       const struct rte_eth_conf port_conf = {
+       struct rte_eth_conf port_conf = {
                .rxmode = {
-                       .mq_mode = ETH_MQ_RX_RSS
-               }
+                       .mq_mode = ETH_MQ_RX_RSS,
+                       .ignore_offload_bitfield = 1,
+               },
+               .txmode = {
+                       .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE,
+               },
        };
        const uint16_t rx_rings = 1, tx_rings = num_nodes;
        uint16_t rx_ring_size = RTE_MP_RX_DESC_DEFAULT;
        uint16_t tx_ring_size = RTE_MP_TX_DESC_DEFAULT;
+       struct rte_eth_dev_info dev_info;
+       struct rte_eth_txconf txconf;
 
        uint16_t q;
        int retval;
@@ -138,6 +144,22 @@
        printf("Port %u init ... ", port_num);
        fflush(stdout);
 
+       rte_eth_dev_info_get(port_num, &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_num, 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_num, port_conf.txmode.offloads,
+                      dev_info.tx_offload_capa);
+       }
+
        /*
         * Standard DPDK port initialisation - config port, then set up
         * rx and tx rings.
@@ -159,10 +181,13 @@
                        return retval;
        }
 
+       txconf = dev_info.default_txconf;
+       txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
+       txconf.offloads = port_conf.txmode.offloads;
        for (q = 0; q < tx_rings; q++) {
                retval = rte_eth_tx_queue_setup(port_num, q, tx_ring_size,
                                rte_eth_dev_socket_id(port_num),
-                               NULL);
+                               &txconf);
                if (retval < 0)
                        return retval;
        }
-- 
1.8.3.1