This commit implements rss_hash_update and rss_hash_conf_get.
Signed-off-by: Yanling Song <son...@ramaxel.com>
---
drivers/net/spnic/spnic_ethdev.c | 235 +++++++++++++++++++++++++++++++
1 file changed, 235 insertions(+)
diff --git a/drivers/net/spnic/spnic_ethdev.c b/drivers/net/spnic/spnic_ethdev.c
index 50cca24258..cca03b5115 100644
--- a/drivers/net/spnic/spnic_ethdev.c
+++ b/drivers/net/spnic/spnic_ethdev.c
@@ -1258,6 +1258,233 @@ static int spnic_dev_set_mtu(struct rte_eth_dev *dev,
uint16_t mtu)
return err;
}
+
+/**
+ * Update the RSS hash key and RSS hash type.
+ *
+ * @param[in] dev
+ * Pointer to ethernet device structure.
+ * @param[in] rss_conf
+ * RSS configuration data.
+ *
+ * @retval zero: Success
+ * @retval non-zero: Failure
+ */
+static int spnic_rss_hash_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+ struct spnic_rss_type rss_type = {0};
+ u64 rss_hf = rss_conf->rss_hf;
+ int err = 0;
+
+ if (nic_dev->rss_state == SPNIC_RSS_DISABLE) {
+ if (rss_hf != 0)
+ return -EINVAL;
+
+ PMD_DRV_LOG(INFO, "RSS is not enabled");
+ return 0;
+ }
+
+ if (rss_conf->rss_key_len > SPNIC_RSS_KEY_SIZE) {
+ PMD_DRV_LOG(ERR, "Invalid RSS key, rss_key_len: %d",
+ rss_conf->rss_key_len);
+ return -EINVAL;
+ }
+
+ if (rss_conf->rss_key) {
+ err = spnic_rss_set_hash_key(nic_dev->hwdev, nic_dev->rss_key);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Set RSS hash key failed");
+ return err;
+ }
+ memcpy(nic_dev->rss_key, rss_conf->rss_key,
+ rss_conf->rss_key_len);
+ }
+
+ rss_type.ipv4 = (rss_hf & (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
+ ETH_RSS_NONFRAG_IPV4_OTHER)) ? 1 : 0;
+ rss_type.tcp_ipv4 = (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) ? 1 : 0;
+ rss_type.ipv6 = (rss_hf & (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
+ ETH_RSS_NONFRAG_IPV6_OTHER)) ? 1 : 0;
+ rss_type.ipv6_ext = (rss_hf & ETH_RSS_IPV6_EX) ? 1 : 0;
+ rss_type.tcp_ipv6 = (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) ? 1 : 0;
+ rss_type.tcp_ipv6_ext = (rss_hf & ETH_RSS_IPV6_TCP_EX) ? 1 : 0;
+ rss_type.udp_ipv4 = (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) ? 1 : 0;
+ rss_type.udp_ipv6 = (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) ? 1 : 0;
+
+ err = spnic_set_rss_type(nic_dev->hwdev, rss_type);
+ if (err)
+ PMD_DRV_LOG(ERR, "Set RSS type failed");
+
+ return err;
+}
+
+/**
+ * Get the RSS hash configuration.
+ *
+ * @param[in] dev
+ * Pointer to ethernet device structure.
+ * @param[out] rss_conf
+ * RSS configuration data.
+ *
+ * @retval zero: Success
+ * @retval non-zero: Failure
+ */
+static int spnic_rss_conf_get(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+ struct spnic_rss_type rss_type = {0};
+ int err;
+
+ if (!rss_conf)
+ return -EINVAL;
+
+ if (nic_dev->rss_state == SPNIC_RSS_DISABLE) {
+ rss_conf->rss_hf = 0;
+ PMD_DRV_LOG(INFO, "RSS is not enabled");
+ return 0;
+ }
+
+ if (rss_conf->rss_key &&
+ rss_conf->rss_key_len >= SPNIC_RSS_KEY_SIZE) {
+ /*
+ * Get RSS key from driver to reduce the frequency of the MPU
+ * accessing the RSS memory.
+ */
+ rss_conf->rss_key_len = sizeof(nic_dev->rss_key);
+ memcpy(rss_conf->rss_key, nic_dev->rss_key,
+ rss_conf->rss_key_len);
+ }
+
+ err = spnic_get_rss_type(nic_dev->hwdev, &rss_type);
+ if (err)
+ return err;
+
+ rss_conf->rss_hf = 0;
+ rss_conf->rss_hf |= rss_type.ipv4 ? (ETH_RSS_IPV4 |
+ ETH_RSS_FRAG_IPV4 | ETH_RSS_NONFRAG_IPV4_OTHER) : 0;
+ rss_conf->rss_hf |= rss_type.tcp_ipv4 ? ETH_RSS_NONFRAG_IPV4_TCP : 0;
+ rss_conf->rss_hf |= rss_type.ipv6 ? (ETH_RSS_IPV6 |
+ ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_OTHER) : 0;
+ rss_conf->rss_hf |= rss_type.ipv6_ext ? ETH_RSS_IPV6_EX : 0;
+ rss_conf->rss_hf |= rss_type.tcp_ipv6 ? ETH_RSS_NONFRAG_IPV6_TCP : 0;
+ rss_conf->rss_hf |= rss_type.tcp_ipv6_ext ? ETH_RSS_IPV6_TCP_EX : 0;
+ rss_conf->rss_hf |= rss_type.udp_ipv4 ? ETH_RSS_NONFRAG_IPV4_UDP : 0;
+ rss_conf->rss_hf |= rss_type.udp_ipv6 ? ETH_RSS_NONFRAG_IPV6_UDP : 0;
+
+ return 0;
+}
+
+/**
+ * Get the RETA indirection table.
+ *
+ * @param[in] dev
+ * Pointer to ethernet device structure.
+ * @param[out] reta_conf
+ * Pointer to RETA configuration structure array.
+ * @param[in] reta_size
+ * Size of the RETA table.
+ *
+ * @retval zero: Success
+ * @retval non-zero: Failure
+ */
+static int spnic_rss_reta_query(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+ u32 indirtbl[SPNIC_RSS_INDIR_SIZE] = {0};
+ u16 idx, shift;
+ u16 i;
+ int err;
+
+ if (nic_dev->rss_state == SPNIC_RSS_DISABLE) {
+ PMD_DRV_LOG(INFO, "RSS is not enabled");
+ return 0;
+ }
+
+ if (reta_size != SPNIC_RSS_INDIR_SIZE) {
+ PMD_DRV_LOG(ERR, "Invalid reta size, reta_size: %d", reta_size);
+ return -EINVAL;
+ }
+
+ err = spnic_rss_get_indir_tbl(nic_dev->hwdev, indirtbl);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Get RSS retas table failed, error: %d",
+ err);
+ return err;
+ }
+
+ for (i = 0; i < reta_size; i++) {
+ idx = i / RTE_RETA_GROUP_SIZE;
+ shift = i % RTE_RETA_GROUP_SIZE;
+ if (reta_conf[idx].mask & (1ULL << shift))
+ reta_conf[idx].reta[shift] = (uint16_t)indirtbl[i];
+ }
+
+ return 0;
+}
+
+/**
+ * Update the RETA indirection table.
+ *
+ * @param[in] dev
+ * Pointer to ethernet device structure.
+ * @param[in] reta_conf
+ * Pointer to RETA configuration structure array.
+ * @param[in] reta_size
+ * Size of the RETA table.
+ *
+ * @retval zero: Success
+ * @retval non-zero: Failure
+ */
+static int spnic_rss_reta_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+ u32 indirtbl[SPNIC_RSS_INDIR_SIZE] = {0};
+ u16 idx, shift;
+ u16 i;
+ int err;
+
+ if (nic_dev->rss_state == SPNIC_RSS_DISABLE)
+ return 0;
+
+ if (reta_size != SPNIC_RSS_INDIR_SIZE) {
+ PMD_DRV_LOG(ERR, "Invalid reta size, reta_size: %d", reta_size);
+ return -EINVAL;
+ }
+
+ err = spnic_rss_get_indir_tbl(nic_dev->hwdev, indirtbl);
+ if (err)
+ return err;
+
+ /* Update RSS reta table */
+ for (i = 0; i < reta_size; i++) {
+ idx = i / RTE_RETA_GROUP_SIZE;
+ shift = i % RTE_RETA_GROUP_SIZE;
+ if (reta_conf[idx].mask & (1ULL << shift))
+ indirtbl[i] = reta_conf[idx].reta[shift];
+ }
+
+ for (i = 0 ; i < reta_size; i++) {
+ if (indirtbl[i] >= nic_dev->num_rqs) {
+ PMD_DRV_LOG(ERR, "Invalid reta entry, index: %d,
num_rqs: %d",
+ indirtbl[i], nic_dev->num_rqs);
+ return -EFAULT;
+ }
+ }
+
+ err = spnic_rss_set_indir_tbl(nic_dev->hwdev, indirtbl);
+ if (err)
+ PMD_DRV_LOG(ERR, "Set RSS reta table failed");
+
+ return err;
+}
+
/**
* Update MAC address
*
@@ -1465,6 +1692,10 @@ static const struct eth_dev_ops spnic_pmd_ops = {
.dev_stop = spnic_dev_stop,
.dev_close = spnic_dev_close,
.mtu_set = spnic_dev_set_mtu,
+ .rss_hash_update = spnic_rss_hash_update,
+ .rss_hash_conf_get = spnic_rss_conf_get,
+ .reta_update = spnic_rss_reta_update,
+ .reta_query = spnic_rss_reta_query,
.mac_addr_set = spnic_set_mac_addr,
.mac_addr_remove = spnic_mac_addr_remove,
.mac_addr_add = spnic_mac_addr_add,
@@ -1484,6 +1715,10 @@ static const struct eth_dev_ops spnic_pmd_vf_ops = {
.dev_stop = spnic_dev_stop,
.dev_close = spnic_dev_close,
.mtu_set = spnic_dev_set_mtu,
+ .rss_hash_update = spnic_rss_hash_update,
+ .rss_hash_conf_get = spnic_rss_conf_get,
+ .reta_update = spnic_rss_reta_update,
+ .reta_query = spnic_rss_reta_query,
.mac_addr_set = spnic_set_mac_addr,
.mac_addr_remove = spnic_mac_addr_remove,
.mac_addr_add = spnic_mac_addr_add,
--
2.32.0
