d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/sfc: set RSS key and hash types config

Browse Source 
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 12:51:20 +00:00 committed by Ferruh Yigit
parent 088e17210a
commit 82faef5076
2 changed files with 64 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
doc/guides/nics/features/sfc_efx.ini
View File

@ -15,6 +15,7 @@ Promiscuous mode = Y
Allmulticast mode = Y
Multicast MAC filter = Y
RSS hash = Y
RSS key update = Y
Flow control = Y
VLAN offload = P
L3 checksum offload = Y

63
drivers/net/sfc/sfc_ethdev.c
View File

@ -1024,6 +1024,68 @@ sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
return 0;
}
static int
sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf)
{
struct sfc_adapter *sa = dev->data->dev_private;
unsigned int efx_hash_types;
int rc = 0;
if ((sa->rss_channels == 1) ||
(sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
sfc_err(sa, "RSS is not available");
return -ENOTSUP;
}
if ((rss_conf->rss_key != NULL) &&
(rss_conf->rss_key_len != sizeof(sa->rss_key))) {
sfc_err(sa, "RSS key size is wrong (should be %lu)",
sizeof(sa->rss_key));
return -EINVAL;
}
if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
sfc_err(sa, "unsupported hash functions requested");
return -EINVAL;
}
sfc_adapter_lock(sa);
efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
efx_hash_types, B_TRUE);
if (rc != 0)
goto fail_scale_mode_set;
if (rss_conf->rss_key != NULL) {
if (sa->state == SFC_ADAPTER_STARTED) {
rc = efx_rx_scale_key_set(sa->nic, rss_conf->rss_key,
sizeof(sa->rss_key));
if (rc != 0)
goto fail_scale_key_set;
}
rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
}
sa->rss_hash_types = efx_hash_types;
sfc_adapter_unlock(sa);
return 0;
fail_scale_key_set:
if (efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
sa->rss_hash_types, B_TRUE) != 0)
sfc_err(sa, "failed to restore RSS mode");
fail_scale_mode_set:
sfc_adapter_unlock(sa);
return -rc;
}
#endif
static const struct eth_dev_ops sfc_eth_dev_ops = {
@ -1058,6 +1120,7 @@ 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
.rss_hash_update = sfc_dev_rss_hash_update,
.rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
#endif
.set_mc_addr_list = sfc_set_mc_addr_list,