From 43362c6a76476f6807390ac51a6d87e6dedada6e Mon Sep 17 00:00:00 2001 From: Jerin Jacob Date: Fri, 17 Jun 2016 18:59:42 +0530 Subject: [PATCH] net/thunderx: support RSS and RETA query and update Signed-off-by: Jerin Jacob Signed-off-by: Maciej Czekaj Signed-off-by: Kamil Rytarowski Signed-off-by: Zyta Szpak Signed-off-by: Slawomir Rosek Signed-off-by: Radoslaw Biernacki Reviewed-by: Ferruh Yigit --- drivers/net/thunderx/nicvf_ethdev.c | 172 ++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c index e786481f7c..08f65b3364 100644 --- a/drivers/net/thunderx/nicvf_ethdev.c +++ b/drivers/net/thunderx/nicvf_ethdev.c @@ -168,6 +168,174 @@ nicvf_dev_get_regs(struct rte_eth_dev *dev, struct rte_dev_reg_info *regs) return -ENOTSUP; } +static inline uint64_t +nicvf_rss_ethdev_to_nic(struct nicvf *nic, uint64_t ethdev_rss) +{ + uint64_t nic_rss = 0; + + if (ethdev_rss & ETH_RSS_IPV4) + nic_rss |= RSS_IP_ENA; + + if (ethdev_rss & ETH_RSS_IPV6) + nic_rss |= RSS_IP_ENA; + + if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_UDP) + nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA); + + if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_TCP) + nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA); + + if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_UDP) + nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA); + + if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_TCP) + nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA); + + if (ethdev_rss & ETH_RSS_PORT) + nic_rss |= RSS_L2_EXTENDED_HASH_ENA; + + if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) { + if (ethdev_rss & ETH_RSS_VXLAN) + nic_rss |= RSS_TUN_VXLAN_ENA; + + if (ethdev_rss & ETH_RSS_GENEVE) + nic_rss |= RSS_TUN_GENEVE_ENA; + + if (ethdev_rss & ETH_RSS_NVGRE) + nic_rss |= RSS_TUN_NVGRE_ENA; + } + + return nic_rss; +} + +static inline uint64_t +nicvf_rss_nic_to_ethdev(struct nicvf *nic, uint64_t nic_rss) +{ + uint64_t ethdev_rss = 0; + + if (nic_rss & RSS_IP_ENA) + ethdev_rss |= (ETH_RSS_IPV4 | ETH_RSS_IPV6); + + if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_TCP_ENA)) + ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_TCP | + ETH_RSS_NONFRAG_IPV6_TCP); + + if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_UDP_ENA)) + ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_UDP | + ETH_RSS_NONFRAG_IPV6_UDP); + + if (nic_rss & RSS_L2_EXTENDED_HASH_ENA) + ethdev_rss |= ETH_RSS_PORT; + + if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) { + if (nic_rss & RSS_TUN_VXLAN_ENA) + ethdev_rss |= ETH_RSS_VXLAN; + + if (nic_rss & RSS_TUN_GENEVE_ENA) + ethdev_rss |= ETH_RSS_GENEVE; + + if (nic_rss & RSS_TUN_NVGRE_ENA) + ethdev_rss |= ETH_RSS_NVGRE; + } + return ethdev_rss; +} + +static int +nicvf_dev_reta_query(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + struct nicvf *nic = nicvf_pmd_priv(dev); + uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE]; + int ret, i, j; + + if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) { + RTE_LOG(ERR, PMD, "The size of hash lookup table configured " + "(%d) doesn't match the number hardware can supported " + "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE); + return -EINVAL; + } + + ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); + if (ret) + return ret; + + /* Copy RETA table */ + for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) { + for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) + if ((reta_conf[i].mask >> j) & 0x01) + reta_conf[i].reta[j] = tbl[j]; + } + + return 0; +} + +static int +nicvf_dev_reta_update(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + struct nicvf *nic = nicvf_pmd_priv(dev); + uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE]; + int ret, i, j; + + if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) { + RTE_LOG(ERR, PMD, "The size of hash lookup table configured " + "(%d) doesn't match the number hardware can supported " + "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE); + return -EINVAL; + } + + ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); + if (ret) + return ret; + + /* Copy RETA table */ + for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) { + for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) + if ((reta_conf[i].mask >> j) & 0x01) + tbl[j] = reta_conf[i].reta[j]; + } + + return nicvf_rss_reta_update(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); +} + +static int +nicvf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct nicvf *nic = nicvf_pmd_priv(dev); + + if (rss_conf->rss_key) + nicvf_rss_get_key(nic, rss_conf->rss_key); + + rss_conf->rss_key_len = RSS_HASH_KEY_BYTE_SIZE; + rss_conf->rss_hf = nicvf_rss_nic_to_ethdev(nic, nicvf_rss_get_cfg(nic)); + return 0; +} + +static int +nicvf_dev_rss_hash_update(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct nicvf *nic = nicvf_pmd_priv(dev); + uint64_t nic_rss; + + if (rss_conf->rss_key && + rss_conf->rss_key_len != RSS_HASH_KEY_BYTE_SIZE) { + RTE_LOG(ERR, PMD, "Hash key size mismatch %d", + rss_conf->rss_key_len); + return -EINVAL; + } + + if (rss_conf->rss_key) + nicvf_rss_set_key(nic, rss_conf->rss_key); + + nic_rss = nicvf_rss_ethdev_to_nic(nic, rss_conf->rss_hf); + nicvf_rss_set_cfg(nic, nic_rss); + return 0; +} + static int nicvf_qset_cq_alloc(struct nicvf *nic, struct nicvf_rxq *rxq, uint16_t qidx, uint32_t desc_cnt) @@ -601,6 +769,10 @@ static const struct eth_dev_ops nicvf_eth_dev_ops = { .dev_configure = nicvf_dev_configure, .link_update = nicvf_dev_link_update, .dev_infos_get = nicvf_dev_info_get, + .reta_update = nicvf_dev_reta_update, + .reta_query = nicvf_dev_reta_query, + .rss_hash_update = nicvf_dev_rss_hash_update, + .rss_hash_conf_get = nicvf_dev_rss_hash_conf_get, .rx_queue_setup = nicvf_dev_rx_queue_setup, .rx_queue_release = nicvf_dev_rx_queue_release, .tx_queue_setup = nicvf_dev_tx_queue_setup, -- 2.20.1