[dpdk-dev] [PATCH 1/2] net/mlx5: fix link speed capability information
Nelio Laranjeiro
nelio.laranjeiro at 6wind.com
Wed Oct 26 11:44:01 CEST 2016
Make hard-coded values dynamic to return correct link speed capabilities
(not all ConnectX-4 NICs support everything).
Fixes: e274f5732225 ("ethdev: add speed capabilities")
Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
---
drivers/net/mlx5/mlx5.h | 1 +
drivers/net/mlx5/mlx5_ethdev.c | 25 +++++++++++++++----------
2 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 000fb38..d7976cb 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -139,6 +139,7 @@ struct priv {
unsigned int reta_idx_n; /* RETA index size. */
struct fdir_filter_list *fdir_filter_list; /* Flow director rules. */
struct fdir_queue *fdir_drop_queue; /* Flow director drop queue. */
+ uint32_t link_speed_capa; /* Link speed capabilities. */
rte_spinlock_t lock; /* Lock for control functions. */
};
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index b8b3ea9..042c9bc 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -604,15 +604,7 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
info->hash_key_size = ((*priv->rss_conf) ?
(*priv->rss_conf)[0]->rss_key_len :
0);
- info->speed_capa =
- ETH_LINK_SPEED_1G |
- ETH_LINK_SPEED_10G |
- ETH_LINK_SPEED_20G |
- ETH_LINK_SPEED_25G |
- ETH_LINK_SPEED_40G |
- ETH_LINK_SPEED_50G |
- ETH_LINK_SPEED_56G |
- ETH_LINK_SPEED_100G;
+ info->speed_capa = priv->link_speed_capa;
priv_unlock(priv);
}
@@ -647,7 +639,7 @@ mlx5_link_update_unlocked(struct rte_eth_dev *dev, int wait_to_complete)
{
struct priv *priv = mlx5_get_priv(dev);
struct ethtool_cmd edata = {
- .cmd = ETHTOOL_GSET
+ .cmd = ETHTOOL_GSET /* Deprecated since Linux v4.5. */
};
struct ifreq ifr;
struct rte_eth_link dev_link;
@@ -672,6 +664,19 @@ mlx5_link_update_unlocked(struct rte_eth_dev *dev, int wait_to_complete)
dev_link.link_speed = 0;
else
dev_link.link_speed = link_speed;
+ priv->link_speed_capa = 0;
+ if (edata.supported & SUPPORTED_Autoneg)
+ priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG;
+ if (edata.supported & (SUPPORTED_1000baseT_Full |
+ SUPPORTED_1000baseKX_Full))
+ priv->link_speed_capa |= ETH_LINK_SPEED_1G;
+ if (edata.supported & SUPPORTED_10000baseKR_Full)
+ priv->link_speed_capa |= ETH_LINK_SPEED_10G;
+ if (edata.supported & (SUPPORTED_40000baseKR4_Full |
+ SUPPORTED_40000baseCR4_Full |
+ SUPPORTED_40000baseSR4_Full |
+ SUPPORTED_40000baseLR4_Full))
+ priv->link_speed_capa |= ETH_LINK_SPEED_40G;
dev_link.link_duplex = ((edata.duplex == DUPLEX_HALF) ?
ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX);
dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
--
2.1.4
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