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path: root/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_netdev.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c142
1 files changed, 136 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index e72d8a112a6b..fad45316200a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -468,6 +468,53 @@ static void mlx4_en_u64_to_mac(unsigned char dst_mac[ETH_ALEN + 2], u64 src_mac)
memset(&dst_mac[ETH_ALEN], 0, 2);
}
+
+static int mlx4_en_tunnel_steer_add(struct mlx4_en_priv *priv, unsigned char *addr,
+ int qpn, u64 *reg_id)
+{
+ int err;
+ struct mlx4_spec_list spec_eth_outer = { {NULL} };
+ struct mlx4_spec_list spec_vxlan = { {NULL} };
+ struct mlx4_spec_list spec_eth_inner = { {NULL} };
+
+ struct mlx4_net_trans_rule rule = {
+ .queue_mode = MLX4_NET_TRANS_Q_FIFO,
+ .exclusive = 0,
+ .allow_loopback = 1,
+ .promisc_mode = MLX4_FS_REGULAR,
+ .priority = MLX4_DOMAIN_NIC,
+ };
+
+ __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16);
+
+ if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
+ return 0; /* do nothing */
+
+ rule.port = priv->port;
+ rule.qpn = qpn;
+ INIT_LIST_HEAD(&rule.list);
+
+ spec_eth_outer.id = MLX4_NET_TRANS_RULE_ID_ETH;
+ memcpy(spec_eth_outer.eth.dst_mac, addr, ETH_ALEN);
+ memcpy(spec_eth_outer.eth.dst_mac_msk, &mac_mask, ETH_ALEN);
+
+ spec_vxlan.id = MLX4_NET_TRANS_RULE_ID_VXLAN; /* any vxlan header */
+ spec_eth_inner.id = MLX4_NET_TRANS_RULE_ID_ETH; /* any inner eth header */
+
+ list_add_tail(&spec_eth_outer.list, &rule.list);
+ list_add_tail(&spec_vxlan.list, &rule.list);
+ list_add_tail(&spec_eth_inner.list, &rule.list);
+
+ err = mlx4_flow_attach(priv->mdev->dev, &rule, reg_id);
+ if (err) {
+ en_err(priv, "failed to add vxlan steering rule, err %d\n", err);
+ return err;
+ }
+ en_dbg(DRV, priv, "added vxlan steering rule, mac %pM reg_id %llx\n", addr, *reg_id);
+ return 0;
+}
+
+
static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv,
unsigned char *mac, int *qpn, u64 *reg_id)
{
@@ -585,6 +632,11 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
if (err)
goto steer_err;
+ err = mlx4_en_tunnel_steer_add(priv, priv->dev->dev_addr, *qpn,
+ &priv->tunnel_reg_id);
+ if (err)
+ goto tunnel_err;
+
entry = kmalloc(sizeof(*entry), GFP_KERNEL);
if (!entry) {
err = -ENOMEM;
@@ -599,6 +651,9 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
return 0;
alloc_err:
+ if (priv->tunnel_reg_id)
+ mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
+tunnel_err:
mlx4_en_uc_steer_release(priv, priv->dev->dev_addr, *qpn, reg_id);
steer_err:
@@ -642,6 +697,11 @@ static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
}
}
+ if (priv->tunnel_reg_id) {
+ mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
+ priv->tunnel_reg_id = 0;
+ }
+
en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n",
priv->port, qpn);
mlx4_qp_release_range(dev, qpn, 1);
@@ -782,7 +842,7 @@ static void update_mclist_flags(struct mlx4_en_priv *priv,
list_for_each_entry(dst_tmp, dst, list) {
found = false;
list_for_each_entry(src_tmp, src, list) {
- if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) {
+ if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) {
found = true;
break;
}
@@ -797,7 +857,7 @@ static void update_mclist_flags(struct mlx4_en_priv *priv,
list_for_each_entry(src_tmp, src, list) {
found = false;
list_for_each_entry(dst_tmp, dst, list) {
- if (!memcmp(dst_tmp->addr, src_tmp->addr, ETH_ALEN)) {
+ if (ether_addr_equal(dst_tmp->addr, src_tmp->addr)) {
dst_tmp->action = MCLIST_NONE;
found = true;
break;
@@ -1044,6 +1104,12 @@ static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
if (err)
en_err(priv, "Fail to detach multicast address\n");
+ if (mclist->tunnel_reg_id) {
+ err = mlx4_flow_detach(priv->mdev->dev, mclist->tunnel_reg_id);
+ if (err)
+ en_err(priv, "Failed to detach multicast address\n");
+ }
+
/* remove from list */
list_del(&mclist->list);
kfree(mclist);
@@ -1061,6 +1127,10 @@ static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
if (err)
en_err(priv, "Fail to attach multicast address\n");
+ err = mlx4_en_tunnel_steer_add(priv, &mc_list[10], priv->base_qpn,
+ &mclist->tunnel_reg_id);
+ if (err)
+ en_err(priv, "Failed to attach multicast address\n");
}
}
}
@@ -1598,6 +1668,15 @@ int mlx4_en_start_port(struct net_device *dev)
goto tx_err;
}
+ 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);
+ if (err) {
+ en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n",
+ err);
+ goto tx_err;
+ }
+ }
+
/* Init port */
en_dbg(HW, priv, "Initializing port\n");
err = mlx4_INIT_PORT(mdev->dev, priv->port);
@@ -1910,8 +1989,10 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
prof->tx_ring_size, i, TX, node))
goto err;
- if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], priv->base_tx_qpn + i,
- prof->tx_ring_size, TXBB_SIZE, node))
+ if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i],
+ priv->base_tx_qpn + i,
+ prof->tx_ring_size, TXBB_SIZE,
+ node, i))
goto err;
}
@@ -2025,7 +2106,7 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
-static int mlx4_en_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
+static int mlx4_en_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
@@ -2084,11 +2165,21 @@ static int mlx4_en_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
sizeof(config)) ? -EFAULT : 0;
}
+static int mlx4_en_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
+{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+
+ return copy_to_user(ifr->ifr_data, &priv->hwtstamp_config,
+ sizeof(priv->hwtstamp_config)) ? -EFAULT : 0;
+}
+
static int mlx4_en_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
switch (cmd) {
case SIOCSHWTSTAMP:
- return mlx4_en_hwtstamp_ioctl(dev, ifr);
+ return mlx4_en_hwtstamp_set(dev, ifr);
+ case SIOCGHWTSTAMP:
+ return mlx4_en_hwtstamp_get(dev, ifr);
default:
return -EOPNOTSUPP;
}
@@ -2154,6 +2245,27 @@ static int mlx4_en_set_vf_link_state(struct net_device *dev, int vf, int link_st
return mlx4_set_vf_link_state(mdev->dev, en_priv->port, vf, link_state);
}
+
+#define PORT_ID_BYTE_LEN 8
+static int mlx4_en_get_phys_port_id(struct net_device *dev,
+ struct netdev_phys_port_id *ppid)
+{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_dev *mdev = priv->mdev->dev;
+ int i;
+ u64 phys_port_id = mdev->caps.phys_port_id[priv->port];
+
+ if (!phys_port_id)
+ return -EOPNOTSUPP;
+
+ ppid->id_len = sizeof(phys_port_id);
+ for (i = PORT_ID_BYTE_LEN - 1; i >= 0; --i) {
+ ppid->id[i] = phys_port_id & 0xff;
+ phys_port_id >>= 8;
+ }
+ return 0;
+}
+
static const struct net_device_ops mlx4_netdev_ops = {
.ndo_open = mlx4_en_open,
.ndo_stop = mlx4_en_close,
@@ -2179,6 +2291,7 @@ static const struct net_device_ops mlx4_netdev_ops = {
#ifdef CONFIG_NET_RX_BUSY_POLL
.ndo_busy_poll = mlx4_en_low_latency_recv,
#endif
+ .ndo_get_phys_port_id = mlx4_en_get_phys_port_id,
};
static const struct net_device_ops mlx4_netdev_ops_master = {
@@ -2207,6 +2320,7 @@ static const struct net_device_ops mlx4_netdev_ops_master = {
#ifdef CONFIG_RFS_ACCEL
.ndo_rx_flow_steer = mlx4_en_filter_rfs,
#endif
+ .ndo_get_phys_port_id = mlx4_en_get_phys_port_id,
};
int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
@@ -2365,6 +2479,13 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0)
dev->priv_flags |= IFF_UNICAST_FLT;
+ if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) {
+ dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+ NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL;
+ dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
+ dev->features |= NETIF_F_GSO_UDP_TUNNEL;
+ }
+
mdev->pndev[port] = dev;
netif_carrier_off(dev);
@@ -2394,6 +2515,15 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
goto out;
}
+ 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);
+ if (err) {
+ en_err(priv, "Failed setting port L2 tunnel configuration, err %d\n",
+ err);
+ goto out;
+ }
+ }
+
/* Init port */
en_warn(priv, "Initializing port\n");
err = mlx4_INIT_PORT(mdev->dev, priv->port);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.