diff options
author | Or Gerlitz <ogerlitz@mellanox.com> | 2014-03-27 14:02:04 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-03-28 16:29:35 -0400 |
commit | 1b136de120dda625109f2afe1e3d04e256be9ec1 (patch) | |
tree | 321fa0738eb04cffe07abb89b7f06759f062f64c /drivers/net | |
parent | d18f141a1a7cfa5ffad8433e43062b05a8d1b82a (diff) | |
download | op-kernel-dev-1b136de120dda625109f2afe1e3d04e256be9ec1.zip op-kernel-dev-1b136de120dda625109f2afe1e3d04e256be9ec1.tar.gz |
net/mlx4: Implement vxlan ndo calls
Add implementation for the add/del vxlan port ndo calls, using the
CONFIG_DEV firmware command.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 86 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 5 |
3 files changed, 90 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index fa5ee71..82d7eb5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -39,6 +39,7 @@ #include <linux/hash.h> #include <net/ip.h> #include <net/busy_poll.h> +#include <net/vxlan.h> #include <linux/mlx4/driver.h> #include <linux/mlx4/device.h> @@ -1665,7 +1666,7 @@ int mlx4_en_start_port(struct net_device *dev) } if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { - err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC); + err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); if (err) { en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n", err); @@ -1697,6 +1698,8 @@ int mlx4_en_start_port(struct net_device *dev) mlx4_set_stats_bitmap(mdev->dev, &priv->stats_bitmap); + if (priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) + vxlan_get_rx_port(dev); priv->port_up = true; netif_tx_start_all_queues(dev); netif_device_attach(dev); @@ -2264,6 +2267,81 @@ static int mlx4_en_get_phys_port_id(struct net_device *dev, return 0; } +static void mlx4_en_add_vxlan_offloads(struct work_struct *work) +{ + int ret; + struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, + vxlan_add_task); + + ret = mlx4_config_vxlan_port(priv->mdev->dev, priv->vxlan_port); + if (ret) + goto out; + + ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, + VXLAN_STEER_BY_OUTER_MAC, 1); +out: + if (ret) + en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); +} + +static void mlx4_en_del_vxlan_offloads(struct work_struct *work) +{ + int ret; + struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, + vxlan_del_task); + + ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, + VXLAN_STEER_BY_OUTER_MAC, 0); + if (ret) + en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); + + priv->vxlan_port = 0; +} + +static void mlx4_en_add_vxlan_port(struct net_device *dev, + sa_family_t sa_family, __be16 port) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + __be16 current_port; + + if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS)) + return; + + if (sa_family == AF_INET6) + return; + + current_port = priv->vxlan_port; + if (current_port && current_port != port) { + en_warn(priv, "vxlan port %d configured, can't add port %d\n", + ntohs(current_port), ntohs(port)); + return; + } + + priv->vxlan_port = port; + queue_work(priv->mdev->workqueue, &priv->vxlan_add_task); +} + +static void mlx4_en_del_vxlan_port(struct net_device *dev, + sa_family_t sa_family, __be16 port) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + __be16 current_port; + + if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) + return; + + if (sa_family == AF_INET6) + return; + + current_port = priv->vxlan_port; + if (current_port != port) { + en_dbg(DRV, priv, "vxlan port %d isn't configured, ignoring\n", ntohs(port)); + return; + } + + queue_work(priv->mdev->workqueue, &priv->vxlan_del_task); +} + static const struct net_device_ops mlx4_netdev_ops = { .ndo_open = mlx4_en_open, .ndo_stop = mlx4_en_close, @@ -2290,6 +2368,8 @@ static const struct net_device_ops mlx4_netdev_ops = { .ndo_busy_poll = mlx4_en_low_latency_recv, #endif .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, + .ndo_add_vxlan_port = mlx4_en_add_vxlan_port, + .ndo_del_vxlan_port = mlx4_en_del_vxlan_port, }; static const struct net_device_ops mlx4_netdev_ops_master = { @@ -2381,6 +2461,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); + INIT_WORK(&priv->vxlan_add_task, mlx4_en_add_vxlan_offloads); + INIT_WORK(&priv->vxlan_del_task, mlx4_en_del_vxlan_offloads); #ifdef CONFIG_MLX4_EN_DCB if (!mlx4_is_slave(priv->mdev->dev)) { if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) { @@ -2514,7 +2596,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, } if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { - err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC); + err = mlx4_SET_PORT_VXLAN(mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); if (err) { en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n", err); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 69e1f36..36fc2a2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -559,6 +559,8 @@ struct mlx4_en_priv { struct work_struct linkstate_task; struct delayed_work stats_task; struct delayed_work service_task; + struct work_struct vxlan_add_task; + struct work_struct vxlan_del_task; struct mlx4_en_perf_stats pstats; struct mlx4_en_pkt_stats pkstats; struct mlx4_en_port_stats port_stats; @@ -585,6 +587,7 @@ struct mlx4_en_priv { struct hlist_head filter_hash[1 << MLX4_EN_FILTER_HASH_SHIFT]; #endif u64 tunnel_reg_id; + __be16 vxlan_port; }; enum mlx4_en_wol { diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 2705b9a..cfcad26 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -988,7 +988,7 @@ struct mlx4_set_port_vxlan_context { u8 steering; }; -int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering) +int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable) { int err; u32 in_mod; @@ -1002,7 +1002,8 @@ int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering) memset(context, 0, sizeof(*context)); context->modify_flags = VXLAN_ENABLE_MODIFY | VXLAN_STEERING_MODIFY; - context->enable_flags = VXLAN_ENABLE; + if (enable) + context->enable_flags = VXLAN_ENABLE; context->steering = steering; in_mod = MLX4_SET_PORT_VXLAN << 8 | port; |