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net/sfc: update RSS redirection table

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Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
This commit is contained in:
Ivan Malov 2016-12-15 12:51:22 +00:00 committed by Ferruh Yigit
parent af0d931797
commit 32bcfb0a50
2 changed files with 61 additions and 0 deletions
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1
doc/guides/nics/features/sfc_efx.ini
View File

@ -16,6 +16,7 @@ Allmulticast mode = Y
Multicast MAC filter = Y
RSS hash = Y
RSS key update = Y
RSS reta update = Y
Flow control = Y
VLAN offload = P
L3 checksum offload = Y

60
drivers/net/sfc/sfc_ethdev.c
View File

@ -1116,6 +1116,65 @@ sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
return 0;
}
static int
sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
struct sfc_adapter *sa = dev->data->dev_private;
unsigned int *rss_tbl_new;
uint16_t entry;
int rc;
if ((sa->rss_channels == 1) ||
(sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
sfc_err(sa, "RSS is not available");
return -ENOTSUP;
}
if (reta_size != EFX_RSS_TBL_SIZE) {
sfc_err(sa, "RETA size is wrong (should be %u)",
EFX_RSS_TBL_SIZE);
return -EINVAL;
}
rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
if (rss_tbl_new == NULL)
return -ENOMEM;
sfc_adapter_lock(sa);
rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
for (entry = 0; entry < reta_size; entry++) {
int grp_idx = entry % RTE_RETA_GROUP_SIZE;
struct rte_eth_rss_reta_entry64 *grp;
grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
if (grp->mask & (1ull << grp_idx)) {
if (grp->reta[grp_idx] >= sa->rss_channels) {
rc = EINVAL;
goto bad_reta_entry;
}
rss_tbl_new[entry] = grp->reta[grp_idx];
}
}
rc = efx_rx_scale_tbl_set(sa->nic, rss_tbl_new, EFX_RSS_TBL_SIZE);
if (rc == 0)
rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
bad_reta_entry:
sfc_adapter_unlock(sa);
rte_free(rss_tbl_new);
SFC_ASSERT(rc >= 0);
return -rc;
}
#endif
static const struct eth_dev_ops sfc_eth_dev_ops = {
@ -1150,6 +1209,7 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
.flow_ctrl_set = sfc_flow_ctrl_set,
.mac_addr_set = sfc_mac_addr_set,
#if EFSYS_OPT_RX_SCALE
.reta_update = sfc_dev_rss_reta_update,
.reta_query = sfc_dev_rss_reta_query,
.rss_hash_update = sfc_dev_rss_hash_update,
.rss_hash_conf_get = sfc_dev_rss_hash_conf_get,