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net/mana: configure RSS

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Currently this PMD supports RSS configuration when the device is stopped.
Configuring RSS in running state will be supported in the future.

Signed-off-by: Long Li <longli@microsoft.com>
This commit is contained in:
Long Li 2022-10-05 16:21:57 -07:00 committed by Ferruh Yigit
parent d878cb0950
commit a382177c13
3 changed files with 65 additions and 0 deletions
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1
doc/guides/nics/features/mana.ini
View File

@ -7,6 +7,7 @@
Speed capabilities = P
Link status = P
Removal event = Y
RSS hash = Y
Multiprocess aware = Y
Linux = Y
x86-64 = Y

63
drivers/net/mana/mana.c
View File

@ -221,6 +221,67 @@ mana_supported_ptypes(struct rte_eth_dev *dev __rte_unused)
return ptypes;
}
static int
mana_rss_hash_update(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf)
{
struct mana_priv *priv = dev->data->dev_private;
/* Currently can only update RSS hash when device is stopped */
if (dev->data->dev_started) {
DRV_LOG(ERR, "Can't update RSS after device has started");
return -ENODEV;
}
if (rss_conf->rss_hf & ~MANA_ETH_RSS_SUPPORT) {
DRV_LOG(ERR, "Port %u invalid RSS HF 0x%" PRIx64,
dev->data->port_id, rss_conf->rss_hf);
return -EINVAL;
}
if (rss_conf->rss_key && rss_conf->rss_key_len) {
if (rss_conf->rss_key_len != TOEPLITZ_HASH_KEY_SIZE_IN_BYTES) {
DRV_LOG(ERR, "Port %u key len must be %u long",
dev->data->port_id,
TOEPLITZ_HASH_KEY_SIZE_IN_BYTES);
return -EINVAL;
}
priv->rss_conf.rss_key_len = rss_conf->rss_key_len;
priv->rss_conf.rss_key =
rte_zmalloc("mana_rss", rss_conf->rss_key_len,
RTE_CACHE_LINE_SIZE);
if (!priv->rss_conf.rss_key)
return -ENOMEM;
memcpy(priv->rss_conf.rss_key, rss_conf->rss_key,
rss_conf->rss_key_len);
}
priv->rss_conf.rss_hf = rss_conf->rss_hf;
return 0;
}
static int
mana_rss_hash_conf_get(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf)
{
struct mana_priv *priv = dev->data->dev_private;
if (!rss_conf)
return -EINVAL;
if (rss_conf->rss_key &&
rss_conf->rss_key_len >= priv->rss_conf.rss_key_len) {
memcpy(rss_conf->rss_key, priv->rss_conf.rss_key,
priv->rss_conf.rss_key_len);
}
rss_conf->rss_key_len = priv->rss_conf.rss_key_len;
rss_conf->rss_hf = priv->rss_conf.rss_hf;
return 0;
}
static int
mana_dev_link_update(struct rte_eth_dev *dev,
int wait_to_complete __rte_unused)
@ -243,6 +304,8 @@ static const struct eth_dev_ops mana_dev_ops = {
.dev_close = mana_dev_close,
.dev_infos_get = mana_dev_info_get,
.dev_supported_ptypes_get = mana_supported_ptypes,
.rss_hash_update = mana_rss_hash_update,
.rss_hash_conf_get = mana_rss_hash_conf_get,
.link_update = mana_dev_link_update,
};

1
drivers/net/mana/mana.h
View File

@ -63,6 +63,7 @@ struct mana_priv {
struct ibv_pd *ib_pd;
struct ibv_pd *ib_parent_pd;
void *db_page;
struct rte_eth_rss_conf rss_conf;
struct rte_intr_handle *intr_handle;
int max_rx_queues;
int max_tx_queues;