net/qede: support RSS hash configuration
Add support for setting hash configuration based on adapter capability and update corresponding NIC documentation. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
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1160de6779
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@ -102,7 +102,7 @@ Most of these differences are summarized below.
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Unicast MAC filter Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
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Multicast MAC filter Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
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RSS hash Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
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RSS key update Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
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RSS key update Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
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RSS reta update Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
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VMDq Y Y Y Y Y Y Y
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SR-IOV Y Y Y Y Y Y Y Y Y Y Y
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@ -51,7 +51,7 @@ Supported Features
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- VLAN offload - Filtering and stripping
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- Stateless checksum offloads (IPv4/TCP/UDP)
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- Multiple Rx/Tx queues (queue-pairs)
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- RSS (with default table/key)
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- RSS (with user configurable table/key)
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- TSS
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- Multiple MAC address
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- Default pause flow control
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@ -61,7 +61,6 @@ Non-supported Features
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----------------------
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- Scatter-Gather Rx/Tx frames
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- User configurable RETA table/key
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- Unequal number of Rx/Tx queues
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- MTU change (dynamic)
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- SR-IOV PF
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@ -53,6 +53,7 @@ struct qed_dev_eth_info {
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struct qed_update_vport_rss_params {
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uint16_t rss_ind_table[128];
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uint32_t rss_key[10];
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u8 rss_caps;
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};
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struct qed_stop_rxq_params {
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@ -753,6 +753,47 @@ qede_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev)
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return NULL;
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}
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int qede_rss_hash_update(struct rte_eth_dev *eth_dev,
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struct rte_eth_rss_conf *rss_conf)
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{
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struct qed_update_vport_params vport_update_params;
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struct qede_dev *qdev = eth_dev->data->dev_private;
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struct ecore_dev *edev = &qdev->edev;
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uint8_t rss_caps;
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uint32_t *key = (uint32_t *)rss_conf->rss_key;
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uint64_t hf = rss_conf->rss_hf;
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int i;
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if (hf == 0)
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DP_ERR(edev, "hash function 0 will disable RSS\n");
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rss_caps = 0;
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rss_caps |= (hf & ETH_RSS_IPV4) ? ECORE_RSS_IPV4 : 0;
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rss_caps |= (hf & ETH_RSS_IPV6) ? ECORE_RSS_IPV6 : 0;
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rss_caps |= (hf & ETH_RSS_IPV6_EX) ? ECORE_RSS_IPV6 : 0;
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rss_caps |= (hf & ETH_RSS_NONFRAG_IPV4_TCP) ? ECORE_RSS_IPV4_TCP : 0;
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rss_caps |= (hf & ETH_RSS_NONFRAG_IPV6_TCP) ? ECORE_RSS_IPV6_TCP : 0;
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rss_caps |= (hf & ETH_RSS_IPV6_TCP_EX) ? ECORE_RSS_IPV6_TCP : 0;
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/* If the mapping doesn't fit any supported, return */
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if (rss_caps == 0 && hf != 0)
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return -EINVAL;
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memset(&vport_update_params, 0, sizeof(vport_update_params));
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if (key != NULL)
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memcpy(qdev->rss_params.rss_key, rss_conf->rss_key,
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rss_conf->rss_key_len);
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qdev->rss_params.rss_caps = rss_caps;
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memcpy(&vport_update_params.rss_params, &qdev->rss_params,
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sizeof(vport_update_params.rss_params));
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vport_update_params.update_rss_flg = 1;
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vport_update_params.vport_id = 0;
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return qdev->ops->vport_update(edev, &vport_update_params);
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}
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static const struct eth_dev_ops qede_eth_dev_ops = {
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.dev_configure = qede_dev_configure,
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.dev_infos_get = qede_dev_info_get,
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@ -780,6 +821,7 @@ static const struct eth_dev_ops qede_eth_dev_ops = {
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.flow_ctrl_set = qede_flow_ctrl_set,
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.flow_ctrl_get = qede_flow_ctrl_get,
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.dev_supported_ptypes_get = qede_dev_supported_ptypes_get,
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.rss_hash_update = qede_rss_hash_update,
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};
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static const struct eth_dev_ops qede_eth_vf_dev_ops = {
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@ -804,6 +846,7 @@ static const struct eth_dev_ops qede_eth_vf_dev_ops = {
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.vlan_offload_set = qede_vlan_offload_set,
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.vlan_filter_set = qede_vlan_filter_set,
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.dev_supported_ptypes_get = qede_dev_supported_ptypes_get,
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.rss_hash_update = qede_rss_hash_update,
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};
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static void qede_update_pf_params(struct ecore_dev *edev)
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@ -532,13 +532,18 @@ static int
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qede_config_rss(struct rte_eth_dev *eth_dev,
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struct qed_update_vport_rss_params *rss_params)
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{
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struct rte_eth_rss_conf rss_conf;
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enum rte_eth_rx_mq_mode mode = eth_dev->data->dev_conf.rxmode.mq_mode;
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struct rte_eth_rss_conf rss_conf =
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eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
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struct qede_dev *qdev = eth_dev->data->dev_private;
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struct ecore_dev *edev = &qdev->edev;
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uint8_t rss_caps;
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unsigned int i;
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uint64_t hf;
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uint32_t *key;
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rss_conf = eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
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key = (uint32_t *)rss_conf.rss_key;
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hf = rss_conf.rss_hf;
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PMD_INIT_FUNC_TRACE(edev);
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/* Check if RSS conditions are met.
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@ -553,16 +558,12 @@ qede_config_rss(struct rte_eth_dev *eth_dev,
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DP_INFO(edev, "RSS flag is set\n");
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if (rss_conf.rss_hf == 0) {
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DP_NOTICE(edev, false, "No RSS hash function to apply\n");
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return -EINVAL;
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}
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if (rss_conf.rss_hf == 0)
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DP_NOTICE(edev, false, "RSS hash function = 0, disables RSS\n");
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if (rss_conf.rss_key != NULL) {
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DP_NOTICE(edev, false,
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"User provided RSS key is not supported\n");
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return -EINVAL;
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}
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if (rss_conf.rss_key != NULL)
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memcpy(qdev->rss_params.rss_key, rss_conf.rss_key,
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rss_conf.rss_key_len);
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memset(rss_params, 0, sizeof(*rss_params));
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@ -570,8 +571,23 @@ qede_config_rss(struct rte_eth_dev *eth_dev,
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rss_params->rss_ind_table[i] = qede_rxfh_indir_default(i,
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QEDE_RSS_CNT(qdev));
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qede_prandom_bytes(rss_params->rss_key,
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sizeof(rss_params->rss_key));
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/* key and protocols */
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if (rss_conf.rss_key == NULL)
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qede_prandom_bytes(rss_params->rss_key,
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sizeof(rss_params->rss_key));
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else
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memcpy(rss_params->rss_key, rss_conf.rss_key,
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rss_conf.rss_key_len);
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rss_caps = 0;
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rss_caps |= (hf & ETH_RSS_IPV4) ? ECORE_RSS_IPV4 : 0;
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rss_caps |= (hf & ETH_RSS_IPV6) ? ECORE_RSS_IPV6 : 0;
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rss_caps |= (hf & ETH_RSS_IPV6_EX) ? ECORE_RSS_IPV6 : 0;
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rss_caps |= (hf & ETH_RSS_NONFRAG_IPV4_TCP) ? ECORE_RSS_IPV4_TCP : 0;
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rss_caps |= (hf & ETH_RSS_NONFRAG_IPV6_TCP) ? ECORE_RSS_IPV6_TCP : 0;
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rss_caps |= (hf & ETH_RSS_IPV6_TCP_EX) ? ECORE_RSS_IPV6_TCP : 0;
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rss_params->rss_caps = rss_caps;
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DP_INFO(edev, "RSS check passes\n");
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