diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_ethdev.c')
| -rw-r--r-- | drivers/net/mlx5/mlx5_ethdev.c | 110 |
1 files changed, 74 insertions, 36 deletions
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index c0f73e93..06cfd016 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -43,9 +43,11 @@ #include <net/if.h> #include <sys/ioctl.h> #include <sys/socket.h> +#include <sys/utsname.h> #include <netinet/in.h> #include <linux/ethtool.h> #include <linux/sockios.h> +#include <linux/version.h> #include <fcntl.h> /* DPDK headers don't like -pedantic. */ @@ -67,6 +69,57 @@ #include "mlx5_rxtx.h" #include "mlx5_utils.h" +/* Add defines in case the running kernel is not the same as user headers. */ +#ifndef ETHTOOL_GLINKSETTINGS +struct ethtool_link_settings { + uint32_t cmd; + uint32_t speed; + uint8_t duplex; + uint8_t port; + uint8_t phy_address; + uint8_t autoneg; + uint8_t mdio_support; + uint8_t eth_to_mdix; + uint8_t eth_tp_mdix_ctrl; + int8_t link_mode_masks_nwords; + uint32_t reserved[8]; + uint32_t link_mode_masks[]; +}; + +#define ETHTOOL_GLINKSETTINGS 0x0000004c +#define ETHTOOL_LINK_MODE_1000baseT_Full_BIT 5 +#define ETHTOOL_LINK_MODE_Autoneg_BIT 6 +#define ETHTOOL_LINK_MODE_1000baseKX_Full_BIT 17 +#define ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT 18 +#define ETHTOOL_LINK_MODE_10000baseKR_Full_BIT 19 +#define ETHTOOL_LINK_MODE_10000baseR_FEC_BIT 20 +#define ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT 21 +#define ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT 22 +#define ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT 23 +#define ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT 24 +#define ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT 25 +#define ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT 26 +#define ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT 27 +#define ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT 28 +#define ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT 29 +#define ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT 30 +#endif +#ifndef HAVE_ETHTOOL_LINK_MODE_25G +#define ETHTOOL_LINK_MODE_25000baseCR_Full_BIT 31 +#define ETHTOOL_LINK_MODE_25000baseKR_Full_BIT 32 +#define ETHTOOL_LINK_MODE_25000baseSR_Full_BIT 33 +#endif +#ifndef HAVE_ETHTOOL_LINK_MODE_50G +#define ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT 34 +#define ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT 35 +#endif +#ifndef HAVE_ETHTOOL_LINK_MODE_100G +#define ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT 36 +#define ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT 37 +#define ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT 38 +#define ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT 39 +#endif + /** * Return private structure associated with an Ethernet device. * @@ -690,8 +743,7 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete) } /** - * Retrieve physical link information (unlocked version using new ioctl from - * Linux 4.5). + * Retrieve physical link information (unlocked version using new ioctl). * * @param dev * Pointer to Ethernet device structure. @@ -701,7 +753,6 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete) static int mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) { -#ifdef ETHTOOL_GLINKSETTINGS struct priv *priv = mlx5_get_priv(dev); struct ethtool_link_settings edata = { .cmd = ETHTOOL_GLINKSETTINGS, @@ -728,7 +779,6 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) sc = edata.link_mode_masks[0] | ((uint64_t)edata.link_mode_masks[1] << 32); priv->link_speed_capa = 0; - /* Link speeds available in kernel v4.5. */ if (sc & ETHTOOL_LINK_MODE_Autoneg_BIT) priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG; if (sc & (ETHTOOL_LINK_MODE_1000baseT_Full_BIT | @@ -751,25 +801,18 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT | ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT)) priv->link_speed_capa |= ETH_LINK_SPEED_56G; - /* Link speeds available in kernel v4.6. */ -#ifdef HAVE_ETHTOOL_LINK_MODE_25G if (sc & (ETHTOOL_LINK_MODE_25000baseCR_Full_BIT | ETHTOOL_LINK_MODE_25000baseKR_Full_BIT | ETHTOOL_LINK_MODE_25000baseSR_Full_BIT)) priv->link_speed_capa |= ETH_LINK_SPEED_25G; -#endif -#ifdef HAVE_ETHTOOL_LINK_MODE_50G if (sc & (ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT | ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT)) priv->link_speed_capa |= ETH_LINK_SPEED_50G; -#endif -#ifdef HAVE_ETHTOOL_LINK_MODE_100G 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)) priv->link_speed_capa |= ETH_LINK_SPEED_100G; -#endif 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 & @@ -779,10 +822,6 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) dev->data->dev_link = dev_link; return 0; } -#else - (void)dev; - (void)wait_to_complete; -#endif /* Link status is still the same. */ return -1; } @@ -798,12 +837,15 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) int mlx5_link_update_unlocked(struct rte_eth_dev *dev, int wait_to_complete) { - int ret; - - ret = mlx5_link_update_unlocked_gs(dev, wait_to_complete); - if (ret < 0) - ret = mlx5_link_update_unlocked_gset(dev, wait_to_complete); - return ret; + struct utsname utsname; + int ver[3]; + + if (uname(&utsname) == -1 || + sscanf(utsname.release, "%d.%d.%d", + &ver[0], &ver[1], &ver[2]) != 3 || + KERNEL_VERSION(ver[0], ver[1], ver[2]) < KERNEL_VERSION(4, 9, 0)) + return mlx5_link_update_unlocked_gset(dev, wait_to_complete); + return mlx5_link_update_unlocked_gs(dev, wait_to_complete); } /** @@ -1141,7 +1183,7 @@ static int priv_dev_link_status_handler(struct priv *priv, struct rte_eth_dev *dev) { struct ibv_async_event event; - int port_change = 0; + struct rte_eth_link *link = &dev->data->dev_link; int ret = 0; /* Read all message and acknowledge them. */ @@ -1149,29 +1191,24 @@ priv_dev_link_status_handler(struct priv *priv, struct rte_eth_dev *dev) if (ibv_get_async_event(priv->ctx, &event)) break; - if (event.event_type == IBV_EVENT_PORT_ACTIVE || - event.event_type == IBV_EVENT_PORT_ERR) - port_change = 1; - else + if (event.event_type != IBV_EVENT_PORT_ACTIVE && + event.event_type != IBV_EVENT_PORT_ERR) DEBUG("event type %d on port %d not handled", event.event_type, event.element.port_num); ibv_ack_async_event(&event); } - - if (port_change ^ priv->pending_alarm) { - struct rte_eth_link *link = &dev->data->dev_link; - - priv->pending_alarm = 0; - mlx5_link_update_unlocked(dev, 0); - if (((link->link_speed == 0) && link->link_status) || - ((link->link_speed != 0) && !link->link_status)) { + mlx5_link_update(dev, 0); + if (((link->link_speed == 0) && link->link_status) || + ((link->link_speed != 0) && !link->link_status)) { + if (!priv->pending_alarm) { /* Inconsistent status, check again later. */ priv->pending_alarm = 1; rte_eal_alarm_set(MLX5_ALARM_TIMEOUT_US, mlx5_dev_link_status_handler, dev); - } else - ret = 1; + } + } else { + ret = 1; } return ret; } @@ -1191,6 +1228,7 @@ mlx5_dev_link_status_handler(void *arg) priv_lock(priv); assert(priv->pending_alarm == 1); + priv->pending_alarm = 0; ret = priv_dev_link_status_handler(priv, dev); priv_unlock(priv); if (ret) |