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net/thunderx: support RSS and RETA query and update

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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>
This commit is contained in:
Jerin Jacob 2016-06-17 18:59:42 +05:30 committed by Bruce Richardson
parent 3f3c6f9724
commit 43362c6a76
1 changed files with 172 additions and 0 deletions
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172
drivers/net/thunderx/nicvf_ethdev.c
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@ -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,