From: Long Li <lon...@microsoft.com>
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 <lon...@microsoft.com>
---
change log:
v8:
fix coding sytle to function definitions
doc/guides/nics/features/mana.ini | 1 +
drivers/net/mana/mana.c | 65 ++++++++++++++++++++++++++++++-
drivers/net/mana/mana.h | 1 +
3 files changed, 66 insertions(+), 1 deletion(-)
diff --git a/doc/guides/nics/features/mana.ini
b/doc/guides/nics/features/mana.ini
index 566b3e8770..a59c21cc10 100644
--- a/doc/guides/nics/features/mana.ini
+++ b/doc/guides/nics/features/mana.ini
@@ -8,6 +8,7 @@ Link status = P
Linux = Y
Multiprocess aware = Y
Removal event = Y
+RSS hash = Y
Speed capabilities = P
Usage doc = Y
x86-64 = Y
diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c
index 9610782d6f..fe7eb19626 100644
--- a/drivers/net/mana/mana.c
+++ b/drivers/net/mana/mana.c
@@ -221,9 +221,70 @@ 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)
+ int wait_to_complete __rte_unused)
{
struct rte_eth_link link;
@@ -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,
};
diff --git a/drivers/net/mana/mana.h b/drivers/net/mana/mana.h
index 4a84c6e778..04ccdfa0d1 100644
--- a/drivers/net/mana/mana.h
+++ b/drivers/net/mana/mana.h
@@ -71,6 +71,7 @@ struct mana_priv {
uint8_t ind_table_key[40];
struct ibv_qp *rwq_qp;
void *db_page;
+ struct rte_eth_rss_conf rss_conf;
struct rte_intr_handle *intr_handle;
int max_rx_queues;
int max_tx_queues;
--
2.17.1
