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net/sfc: query RSS key and hash types config

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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 12:51:19 +00:00 committed by Ferruh Yigit
parent d9ff551fc9
commit 088e17210a
3 changed files with 56 additions and 0 deletions
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33
drivers/net/sfc/sfc_ethdev.c
View File

@ -996,6 +996,36 @@ sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
return 0;
}
#if EFSYS_OPT_RX_SCALE
static int
sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf)
{
struct sfc_adapter *sa = dev->data->dev_private;
if ((sa->rss_channels == 1) ||
(sa->rss_support != EFX_RX_SCALE_EXCLUSIVE))
return -ENOTSUP;
sfc_adapter_lock(sa);
/*
* Mapping of hash configuration between RTE and EFX is not one-to-one,
* hence, conversion is done here to derive a correct set of ETH_RSS
* flags which corresponds to the active EFX configuration stored
* locally in 'sfc_adapter' and kept up-to-date
*/
rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
rss_conf->rss_key_len = SFC_RSS_KEY_SIZE;
if (rss_conf->rss_key != NULL)
rte_memcpy(rss_conf->rss_key, sa->rss_key, SFC_RSS_KEY_SIZE);
sfc_adapter_unlock(sa);
return 0;
}
#endif
static const struct eth_dev_ops sfc_eth_dev_ops = {
.dev_configure = sfc_dev_configure,
.dev_start = sfc_dev_start,
@ -1027,6 +1057,9 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
.flow_ctrl_get = sfc_flow_ctrl_get,
.flow_ctrl_set = sfc_flow_ctrl_set,
.mac_addr_set = sfc_mac_addr_set,
#if EFSYS_OPT_RX_SCALE
.rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
#endif
.set_mc_addr_list = sfc_set_mc_addr_list,
.rxq_info_get = sfc_rx_queue_info_get,
.txq_info_get = sfc_tx_queue_info_get,

22
drivers/net/sfc/sfc_rx.c
View File

@ -785,6 +785,28 @@ sfc_rte_to_efx_hash_type(uint64_t rss_hf)
return efx_hash_types;
}
uint64_t
sfc_efx_to_rte_hash_type(efx_rx_hash_type_t efx_hash_types)
{
uint64_t rss_hf = 0;
if ((efx_hash_types & EFX_RX_HASH_IPV4) != 0)
rss_hf |= (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
ETH_RSS_NONFRAG_IPV4_OTHER);
if ((efx_hash_types & EFX_RX_HASH_TCPIPV4) != 0)
rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
if ((efx_hash_types & EFX_RX_HASH_IPV6) != 0)
rss_hf |= (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
ETH_RSS_NONFRAG_IPV6_OTHER | ETH_RSS_IPV6_EX);
if ((efx_hash_types & EFX_RX_HASH_TCPIPV6) != 0)
rss_hf |= (ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_IPV6_TCP_EX);
return rss_hf;
}
#endif
static int

1
drivers/net/sfc/sfc_rx.h
View File

@ -152,6 +152,7 @@ int sfc_rx_qdesc_done(struct sfc_rxq *rxq, unsigned int offset);
#if EFSYS_OPT_RX_SCALE
efx_rx_hash_type_t sfc_rte_to_efx_hash_type(uint64_t rss_hf);
uint64_t sfc_efx_to_rte_hash_type(efx_rx_hash_type_t efx_hash_types);
#endif
#ifdef __cplusplus