2 * Copyright (c) 2016 Solarflare Communications Inc.
5 * This software was jointly developed between OKTET Labs (under contract
6 * for Solarflare) and Solarflare Communications, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 sfc_tx_qinit_info(struct sfc_adapter *sa, unsigned int sw_index)
38 sfc_log_init(sa, "TxQ = %u", sw_index);
44 sfc_tx_check_mode(struct sfc_adapter *sa, const struct rte_eth_txmode *txmode)
48 switch (txmode->mq_mode) {
52 sfc_err(sa, "Tx multi-queue mode %u not supported",
58 * These features are claimed to be i40e-specific,
59 * but it does make sense to double-check their absence
61 if (txmode->hw_vlan_reject_tagged) {
62 sfc_err(sa, "Rejecting tagged packets not supported");
66 if (txmode->hw_vlan_reject_untagged) {
67 sfc_err(sa, "Rejecting untagged packets not supported");
71 if (txmode->hw_vlan_insert_pvid) {
72 sfc_err(sa, "Port-based VLAN insertion not supported");
80 sfc_tx_init(struct sfc_adapter *sa)
82 const struct rte_eth_conf *dev_conf = &sa->eth_dev->data->dev_conf;
83 unsigned int sw_index;
86 rc = sfc_tx_check_mode(sa, &dev_conf->txmode);
90 sa->txq_count = sa->eth_dev->data->nb_tx_queues;
92 sa->txq_info = rte_calloc_socket("sfc-txqs", sa->txq_count,
93 sizeof(sa->txq_info[0]), 0,
95 if (sa->txq_info == NULL)
98 for (sw_index = 0; sw_index < sa->txq_count; ++sw_index) {
99 rc = sfc_tx_qinit_info(sa, sw_index);
101 goto fail_tx_qinit_info;
107 rte_free(sa->txq_info);
114 sfc_log_init(sa, "failed (rc = %d)", rc);
119 sfc_tx_fini(struct sfc_adapter *sa)
121 rte_free(sa->txq_info);