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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: <dev@dpdk.org>
CC: <thomas.monjalon@6wind.com>, <bruce.richardson@intel.com>,
<ferruh.yigit@intel.com>, Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Maciej Czekaj <maciej.czekaj@caviumnetworks.com>, Kamil Rytarowski
<Kamil.Rytarowski@caviumnetworks.com>, Zyta Szpak <zyta.szpak@semihalf.com>,
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<rad@semihalf.com>
Date: Mon, 13 Jun 2016 19:25:33 +0530
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Subject: [dpdk-dev] [PATCH v4 09/19] net/thunderx: add rss and reta query
and update support
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X-List-Received-Date: Mon, 13 Jun 2016 13:57:22 -0000
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Maciej Czekaj <maciej.czekaj@caviumnetworks.com>
Signed-off-by: Kamil Rytarowski <Kamil.Rytarowski@caviumnetworks.com>
Signed-off-by: Zyta Szpak <zyta.szpak@semihalf.com>
Signed-off-by: Slawomir Rosek <slawomir.rosek@semihalf.com>
Signed-off-by: Radoslaw Biernacki <rad@semihalf.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
---
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 167149e..1d5bea7 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,
--
2.5.5