diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_ethdev.c')
| -rw-r--r-- | drivers/net/mlx5/mlx5_ethdev.c | 81 |
1 files changed, 41 insertions, 40 deletions
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index ca981a53..2ea995f8 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -49,6 +49,7 @@ #include <linux/sockios.h> #include <linux/version.h> #include <fcntl.h> +#include <stdalign.h> /* DPDK headers don't like -pedantic. */ #ifdef PEDANTIC @@ -119,7 +120,6 @@ struct ethtool_link_settings { #define ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT 38 #define ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT 39 #endif -#define ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32 (SCHAR_MAX) /** * Return private structure associated with an Ethernet device. @@ -755,12 +755,7 @@ static int mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) { struct priv *priv = mlx5_get_priv(dev); - __extension__ struct { - struct ethtool_link_settings edata; - uint32_t link_mode_data[3 * - ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32]; - } ecmd; - + struct ethtool_link_settings gcmd = { .cmd = ETHTOOL_GLINKSETTINGS }; struct ifreq ifr; struct rte_eth_link dev_link; uint64_t sc; @@ -773,59 +768,65 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) memset(&dev_link, 0, sizeof(dev_link)); dev_link.link_status = ((ifr.ifr_flags & IFF_UP) && (ifr.ifr_flags & IFF_RUNNING)); - memset(&ecmd, 0, sizeof(ecmd)); - ecmd.edata.cmd = ETHTOOL_GLINKSETTINGS; - ifr.ifr_data = (void *)&ecmd; + ifr.ifr_data = (void *)&gcmd; if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s", strerror(errno)); return -1; } - ecmd.edata.link_mode_masks_nwords = -ecmd.edata.link_mode_masks_nwords; + gcmd.link_mode_masks_nwords = -gcmd.link_mode_masks_nwords; + + alignas(struct ethtool_link_settings) + uint8_t data[offsetof(struct ethtool_link_settings, link_mode_masks) + + sizeof(uint32_t) * gcmd.link_mode_masks_nwords * 3]; + struct ethtool_link_settings *ecmd = (void *)data; + + *ecmd = gcmd; + ifr.ifr_data = (void *)ecmd; if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s", strerror(errno)); return -1; } - dev_link.link_speed = ecmd.edata.speed; - sc = ecmd.edata.link_mode_masks[0] | - ((uint64_t)ecmd.edata.link_mode_masks[1] << 32); + dev_link.link_speed = ecmd->speed; + sc = ecmd->link_mode_masks[0] | + ((uint64_t)ecmd->link_mode_masks[1] << 32); priv->link_speed_capa = 0; - if (sc & ETHTOOL_LINK_MODE_Autoneg_BIT) + if (sc & MLX5_BITSHIFT(ETHTOOL_LINK_MODE_Autoneg_BIT)) priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG; - if (sc & (ETHTOOL_LINK_MODE_1000baseT_Full_BIT | - ETHTOOL_LINK_MODE_1000baseKX_Full_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseT_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_1G; - if (sc & (ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT | - ETHTOOL_LINK_MODE_10000baseKR_Full_BIT | - ETHTOOL_LINK_MODE_10000baseR_FEC_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseR_FEC_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_10G; - if (sc & (ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT | - ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_20G; - if (sc & (ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT | - ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT | - ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT | - ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_40G; - if (sc & (ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT | - ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT | - ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT | - ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_56G; - if (sc & (ETHTOOL_LINK_MODE_25000baseCR_Full_BIT | - ETHTOOL_LINK_MODE_25000baseKR_Full_BIT | - ETHTOOL_LINK_MODE_25000baseSR_Full_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseCR_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseKR_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseSR_Full_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_25G; - if (sc & (ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT | - ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_50G; - if (sc & (ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT | - ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT | - ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT | - ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT)) + if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT) | + MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT))) priv->link_speed_capa |= ETH_LINK_SPEED_100G; - dev_link.link_duplex = ((ecmd.edata.duplex == DUPLEX_HALF) ? + dev_link.link_duplex = ((ecmd->duplex == DUPLEX_HALF) ? ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX); dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED); |