From: Sunil Kumar Kori <sk...@marvell.com>

Add ethernet port Rx/Tx queue setup for event device which are later
used for setting up event eth Rx/Tx adapters.

Signed-off-by: Sunil Kumar Kori <sk...@marvell.com>
---
 examples/l2fwd-event/l2fwd_eventdev.c | 114 ++++++++++++++++++++++++++
 examples/l2fwd-event/l2fwd_eventdev.h |   1 +
 examples/l2fwd-event/main.c           |  17 ++++
 3 files changed, 132 insertions(+)

diff --git a/examples/l2fwd-event/l2fwd_eventdev.c 
b/examples/l2fwd-event/l2fwd_eventdev.c
index df76f1c1f..0d0d3b8b9 100644
--- a/examples/l2fwd-event/l2fwd_eventdev.c
+++ b/examples/l2fwd-event/l2fwd_eventdev.c
@@ -18,6 +18,14 @@
 #include "l2fwd_common.h"
 #include "l2fwd_eventdev.h"
 
+static void
+print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
+{
+       char buf[RTE_ETHER_ADDR_FMT_SIZE];
+       rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
+       printf("%s%s", name, buf);
+}
+
 static void
 parse_mode(const char *optarg)
 {
@@ -76,6 +84,108 @@ parse_eventdev_args(char **argv, int argc)
        return 0;
 }
 
+static void
+eth_dev_port_setup(uint16_t ethdev_count __rte_unused)
+{
+       struct eventdev_resources *eventdev_rsrc = get_eventdev_rsrc();
+       static struct rte_eth_conf port_config = {
+               .rxmode = {
+                       .mq_mode = ETH_MQ_RX_RSS,
+                       .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
+                       .split_hdr_size = 0,
+                       .offloads = DEV_RX_OFFLOAD_CHECKSUM
+               },
+               .rx_adv_conf = {
+                       .rss_conf = {
+                               .rss_key = NULL,
+                               .rss_hf = ETH_RSS_IP,
+                       }
+               },
+               .txmode = {
+                       .mq_mode = ETH_MQ_TX_NONE,
+               }
+       };
+       struct rte_eth_conf local_port_conf;
+       struct rte_eth_dev_info dev_info;
+       struct rte_eth_txconf txconf;
+       struct rte_eth_rxconf rxconf;
+       uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
+       uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
+       uint16_t port_id;
+       int32_t ret;
+
+       /* initialize all ports */
+       RTE_ETH_FOREACH_DEV(port_id) {
+               local_port_conf = port_config;
+               /* skip ports that are not enabled */
+               if ((eventdev_rsrc->port_mask & (1 << port_id)) == 0) {
+                       printf("\nSkipping disabled port %d\n", port_id);
+                       continue;
+               }
+
+               /* init port */
+               printf("Initializing port %d ... ", port_id);
+               fflush(stdout);
+               rte_eth_dev_info_get(port_id, &dev_info);
+               if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+                       local_port_conf.txmode.offloads |=
+                                               DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+               local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+                                               dev_info.flow_type_rss_offloads;
+               if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
+                               port_config.rx_adv_conf.rss_conf.rss_hf) {
+                       printf("Port %u modified RSS hash function "
+                              "based on hardware support,"
+                              "requested:%#"PRIx64" configured:%#"PRIx64"\n",
+                              port_id,
+                              port_config.rx_adv_conf.rss_conf.rss_hf,
+                              local_port_conf.rx_adv_conf.rss_conf.rss_hf);
+               }
+
+               ret = rte_eth_dev_configure(port_id, 1, 1, &local_port_conf);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "Cannot configure device: err=%d, port=%d\n",
+                                ret, port_id);
+
+               ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd,
+                                                      &nb_txd);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "Cannot adjust number of descriptors: err=%d, "
+                                "port=%d\n", ret, port_id);
+
+               rte_eth_macaddr_get(port_id,
+                                   &eventdev_rsrc->ports_eth_addr[port_id]);
+               print_ethaddr(" Address:",
+                             &eventdev_rsrc->ports_eth_addr[port_id]);
+               printf("\n");
+
+
+               /* init one Rx queue per port */
+               rxconf = dev_info.default_rxconf;
+               rxconf.offloads = local_port_conf.rxmode.offloads;
+               ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd, 0, &rxconf,
+                                            eventdev_rsrc->pkt_pool);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "rte_eth_rx_queue_setup: err=%d, "
+                                "port=%d\n", ret, port_id);
+
+               /* init one Tx queue per port */
+               txconf = dev_info.default_txconf;
+               txconf.offloads = local_port_conf.txmode.offloads;
+               ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd, 0, &txconf);
+               if (ret < 0)
+                       rte_exit(EXIT_FAILURE,
+                                "rte_eth_tx_queue_setup: err=%d, "
+                                "port=%d\n", ret, port_id);
+
+               rte_eth_promiscuous_enable(port_id);
+       }
+}
+
 static void
 eventdev_capability_setup(void)
 {
@@ -105,6 +215,7 @@ void
 eventdev_resource_setup(void)
 {
        struct eventdev_resources *eventdev_rsrc = get_eventdev_rsrc();
+       uint16_t ethdev_count = rte_eth_dev_count_avail();
        uint32_t service_id;
        int32_t ret;
 
@@ -119,6 +230,9 @@ eventdev_resource_setup(void)
        /* Setup eventdev capability callbacks */
        eventdev_capability_setup();
 
+       /* Ethernet device configuration */
+       eth_dev_port_setup(ethdev_count);
+
        /* Start event device service */
        ret = rte_event_dev_service_id_get(eventdev_rsrc->event_d_id,
                        &service_id);
diff --git a/examples/l2fwd-event/l2fwd_eventdev.h 
b/examples/l2fwd-event/l2fwd_eventdev.h
index 8b6606b4c..d380faff5 100644
--- a/examples/l2fwd-event/l2fwd_eventdev.h
+++ b/examples/l2fwd-event/l2fwd_eventdev.h
@@ -51,6 +51,7 @@ struct eventdev_resources {
        uint8_t enabled;
        uint8_t nb_args;
        char **args;
+       struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 };
 
 static inline struct eventdev_resources *
diff --git a/examples/l2fwd-event/main.c b/examples/l2fwd-event/main.c
index 087e84588..3f72d0579 100644
--- a/examples/l2fwd-event/main.c
+++ b/examples/l2fwd-event/main.c
@@ -619,6 +619,22 @@ main(int argc, char **argv)
 
        /* Configure eventdev parameters if user has requested */
        eventdev_resource_setup();
+       if (eventdev_rsrc->enabled) {
+               /* All settings are done. Now enable eth devices */
+               RTE_ETH_FOREACH_DEV(portid) {
+                       /* skip ports that are not enabled */
+                       if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
+                               continue;
+
+                       ret = rte_eth_dev_start(portid);
+                       if (ret < 0)
+                               rte_exit(EXIT_FAILURE,
+                                        "rte_eth_dev_start:err=%d, port=%u\n",
+                                        ret, portid);
+               }
+
+               goto skip_port_config;
+       }
 
        /* Initialize the port/queue configuration of each logical core */
        RTE_ETH_FOREACH_DEV(portid) {
@@ -750,6 +766,7 @@ main(int argc, char **argv)
                        "All available ports are disabled. Please set 
portmask.\n");
        }
 
+skip_port_config:
        check_all_ports_link_status(l2fwd_enabled_port_mask);
 
        ret = 0;
-- 
2.17.1

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