f09d45db53
Setup RSS configuration based on underlying device capabilities.
Fixes: 4ff457986f ("examples/l2fwd-event: add default poll mode routines")
Cc: stable@dpdk.org
Signed-off-by: Satananda Burla <sburla@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(C) 2019 Marvell International Ltd.
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*/
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#include "l2fwd_common.h"
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int
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l2fwd_event_init_ports(struct l2fwd_resources *rsrc)
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{
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uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
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uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
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struct rte_eth_conf port_conf = {
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.rxmode = {
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.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
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.split_hdr_size = 0,
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},
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.txmode = {
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.mq_mode = ETH_MQ_TX_NONE,
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},
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};
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uint16_t nb_ports_available = 0;
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uint16_t port_id;
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int ret;
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if (rsrc->event_mode) {
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port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
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port_conf.rx_adv_conf.rss_conf.rss_key = NULL;
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port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP;
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}
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/* Initialise each port */
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RTE_ETH_FOREACH_DEV(port_id) {
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struct rte_eth_conf local_port_conf = port_conf;
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struct rte_eth_dev_info dev_info;
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struct rte_eth_rxconf rxq_conf;
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struct rte_eth_txconf txq_conf;
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/* skip ports that are not enabled */
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if ((rsrc->enabled_port_mask & (1 << port_id)) == 0) {
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printf("Skipping disabled port %u\n", port_id);
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continue;
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}
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nb_ports_available++;
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/* init port */
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printf("Initializing port %u... ", port_id);
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fflush(stdout);
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ret = rte_eth_dev_info_get(port_id, &dev_info);
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if (ret != 0)
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rte_panic("Error during getting device (port %u) info: %s\n",
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port_id, strerror(-ret));
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local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
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dev_info.flow_type_rss_offloads;
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if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
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port_conf.rx_adv_conf.rss_conf.rss_hf) {
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printf("Port %u modified RSS hash function based on hardware support,"
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"requested:%#"PRIx64" configured:%#"PRIx64"",
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port_id,
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port_conf.rx_adv_conf.rss_conf.rss_hf,
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local_port_conf.rx_adv_conf.rss_conf.rss_hf);
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}
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if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
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local_port_conf.txmode.offloads |=
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DEV_TX_OFFLOAD_MBUF_FAST_FREE;
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ret = rte_eth_dev_configure(port_id, 1, 1, &local_port_conf);
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if (ret < 0)
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rte_panic("Cannot configure device: err=%d, port=%u\n",
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ret, port_id);
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ret = rte_eth_dev_adjust_nb_rx_tx_desc(port_id, &nb_rxd,
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&nb_txd);
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if (ret < 0)
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rte_panic("Cannot adjust number of descriptors: err=%d, port=%u\n",
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ret, port_id);
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rte_eth_macaddr_get(port_id, &rsrc->eth_addr[port_id]);
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/* init one RX queue */
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fflush(stdout);
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rxq_conf = dev_info.default_rxconf;
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rxq_conf.offloads = local_port_conf.rxmode.offloads;
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ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd,
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rte_eth_dev_socket_id(port_id),
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&rxq_conf,
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rsrc->pktmbuf_pool);
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if (ret < 0)
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rte_panic("rte_eth_rx_queue_setup:err=%d, port=%u\n",
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ret, port_id);
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/* init one TX queue on each port */
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fflush(stdout);
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txq_conf = dev_info.default_txconf;
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txq_conf.offloads = local_port_conf.txmode.offloads;
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ret = rte_eth_tx_queue_setup(port_id, 0, nb_txd,
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rte_eth_dev_socket_id(port_id),
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&txq_conf);
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if (ret < 0)
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rte_panic("rte_eth_tx_queue_setup:err=%d, port=%u\n",
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ret, port_id);
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rte_eth_promiscuous_enable(port_id);
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printf("Port %u,MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
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port_id,
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rsrc->eth_addr[port_id].addr_bytes[0],
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rsrc->eth_addr[port_id].addr_bytes[1],
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rsrc->eth_addr[port_id].addr_bytes[2],
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rsrc->eth_addr[port_id].addr_bytes[3],
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rsrc->eth_addr[port_id].addr_bytes[4],
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rsrc->eth_addr[port_id].addr_bytes[5]);
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}
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return nb_ports_available;
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}
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