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path: root/drivers/net/mlx4/en_netdev.c
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Diffstat (limited to 'drivers/net/mlx4/en_netdev.c')
-rw-r--r--drivers/net/mlx4/en_netdev.c199
1 files changed, 152 insertions, 47 deletions
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index 897f576..5762ebd 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -156,9 +156,8 @@ static void mlx4_en_do_set_mac(struct work_struct *work)
mutex_lock(&mdev->state_lock);
if (priv->port_up) {
/* Remove old MAC and insert the new one */
- mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
- err = mlx4_register_mac(mdev->dev, priv->port,
- priv->mac, &priv->mac_index);
+ err = mlx4_replace_mac(mdev->dev, priv->port,
+ priv->base_qpn, priv->mac, 0);
if (err)
en_err(priv, "Failed changing HW MAC address\n");
} else
@@ -214,6 +213,7 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
struct mlx4_en_dev *mdev = priv->mdev;
struct net_device *dev = priv->dev;
u64 mcast_addr = 0;
+ u8 mc_list[16] = {0};
int err;
mutex_lock(&mdev->state_lock);
@@ -239,8 +239,12 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
priv->flags |= MLX4_EN_FLAG_PROMISC;
/* Enable promiscouos mode */
- err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
- priv->base_qpn, 1);
+ if (!mdev->dev->caps.vep_uc_steering)
+ err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
+ priv->base_qpn, 1);
+ else
+ err = mlx4_unicast_promisc_add(mdev->dev, priv->base_qpn,
+ priv->port);
if (err)
en_err(priv, "Failed enabling "
"promiscous mode\n");
@@ -252,10 +256,21 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
en_err(priv, "Failed disabling "
"multicast filter\n");
- /* Disable port VLAN filter */
- err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, NULL);
- if (err)
- en_err(priv, "Failed disabling VLAN filter\n");
+ /* Add the default qp number as multicast promisc */
+ if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
+ err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn,
+ priv->port);
+ if (err)
+ en_err(priv, "Failed entering multicast promisc mode\n");
+ priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
+ }
+
+ if (priv->vlgrp) {
+ /* Disable port VLAN filter */
+ err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, NULL);
+ if (err)
+ en_err(priv, "Failed disabling VLAN filter\n");
+ }
}
goto out;
}
@@ -270,11 +285,24 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
priv->flags &= ~MLX4_EN_FLAG_PROMISC;
/* Disable promiscouos mode */
- err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
- priv->base_qpn, 0);
+ if (!mdev->dev->caps.vep_uc_steering)
+ err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
+ priv->base_qpn, 0);
+ else
+ err = mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn,
+ priv->port);
if (err)
en_err(priv, "Failed disabling promiscous mode\n");
+ /* Disable Multicast promisc */
+ if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
+ err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
+ priv->port);
+ if (err)
+ en_err(priv, "Failed disabling multicast promiscous mode\n");
+ priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
+ }
+
/* Enable port VLAN filter */
err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, priv->vlgrp);
if (err)
@@ -287,14 +315,38 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
0, MLX4_MCAST_DISABLE);
if (err)
en_err(priv, "Failed disabling multicast filter\n");
+
+ /* Add the default qp number as multicast promisc */
+ if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
+ err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn,
+ priv->port);
+ if (err)
+ en_err(priv, "Failed entering multicast promisc mode\n");
+ priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
+ }
} else {
int i;
+ /* Disable Multicast promisc */
+ if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
+ err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
+ priv->port);
+ if (err)
+ en_err(priv, "Failed disabling multicast promiscous mode\n");
+ priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
+ }
err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
0, MLX4_MCAST_DISABLE);
if (err)
en_err(priv, "Failed disabling multicast filter\n");
+ /* Detach our qp from all the multicast addresses */
+ for (i = 0; i < priv->mc_addrs_cnt; i++) {
+ memcpy(&mc_list[10], priv->mc_addrs + i * ETH_ALEN, ETH_ALEN);
+ mc_list[5] = priv->port;
+ mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
+ mc_list, MLX4_PROT_ETH);
+ }
/* Flush mcast filter and init it with broadcast address */
mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST,
1, MLX4_MCAST_CONFIG);
@@ -307,6 +359,10 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
for (i = 0; i < priv->mc_addrs_cnt; i++) {
mcast_addr =
mlx4_en_mac_to_u64(priv->mc_addrs + i * ETH_ALEN);
+ memcpy(&mc_list[10], priv->mc_addrs + i * ETH_ALEN, ETH_ALEN);
+ mc_list[5] = priv->port;
+ mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp,
+ mc_list, 0, MLX4_PROT_ETH);
mlx4_SET_MCAST_FLTR(mdev->dev, priv->port,
mcast_addr, 0, MLX4_MCAST_CONFIG);
}
@@ -314,8 +370,6 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
0, MLX4_MCAST_ENABLE);
if (err)
en_err(priv, "Failed enabling multicast filter\n");
-
- mlx4_en_clear_list(dev);
}
out:
mutex_unlock(&mdev->state_lock);
@@ -417,7 +471,6 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
unsigned long avg_pkt_size;
unsigned long rx_packets;
unsigned long rx_bytes;
- unsigned long rx_byte_diff;
unsigned long tx_packets;
unsigned long tx_pkt_diff;
unsigned long rx_pkt_diff;
@@ -441,25 +494,20 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
rx_pkt_diff = ((unsigned long) (rx_packets -
priv->last_moder_packets));
packets = max(tx_pkt_diff, rx_pkt_diff);
- rx_byte_diff = rx_bytes - priv->last_moder_bytes;
- rx_byte_diff = rx_byte_diff ? rx_byte_diff : 1;
rate = packets * HZ / period;
avg_pkt_size = packets ? ((unsigned long) (rx_bytes -
priv->last_moder_bytes)) / packets : 0;
/* Apply auto-moderation only when packet rate exceeds a rate that
* it matters */
- if (rate > MLX4_EN_RX_RATE_THRESH) {
+ if (rate > MLX4_EN_RX_RATE_THRESH && avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) {
/* If tx and rx packet rates are not balanced, assume that
* traffic is mainly BW bound and apply maximum moderation.
* Otherwise, moderate according to packet rate */
- if (2 * tx_pkt_diff > 3 * rx_pkt_diff &&
- rx_pkt_diff / rx_byte_diff <
- MLX4_EN_SMALL_PKT_SIZE)
- moder_time = priv->rx_usecs_low;
- else if (2 * rx_pkt_diff > 3 * tx_pkt_diff)
+ if (2 * tx_pkt_diff > 3 * rx_pkt_diff ||
+ 2 * rx_pkt_diff > 3 * tx_pkt_diff) {
moder_time = priv->rx_usecs_high;
- else {
+ } else {
if (rate < priv->pkt_rate_low)
moder_time = priv->rx_usecs_low;
else if (rate > priv->pkt_rate_high)
@@ -471,9 +519,7 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
priv->rx_usecs_low;
}
} else {
- /* When packet rate is low, use default moderation rather than
- * 0 to prevent interrupt storms if traffic suddenly increases */
- moder_time = priv->rx_usecs;
+ moder_time = priv->rx_usecs_low;
}
en_dbg(INTR, priv, "tx rate:%lu rx_rate:%lu\n",
@@ -565,6 +611,8 @@ int mlx4_en_start_port(struct net_device *dev)
int err = 0;
int i;
int j;
+ u8 mc_list[16] = {0};
+ char name[32];
if (priv->port_up) {
en_dbg(DRV, priv, "start port called while port already up\n");
@@ -603,16 +651,35 @@ int mlx4_en_start_port(struct net_device *dev)
++rx_index;
}
+ /* Set port mac number */
+ en_dbg(DRV, priv, "Setting mac for port %d\n", priv->port);
+ err = mlx4_register_mac(mdev->dev, priv->port,
+ priv->mac, &priv->base_qpn, 0);
+ if (err) {
+ en_err(priv, "Failed setting port mac\n");
+ goto cq_err;
+ }
+ mdev->mac_removed[priv->port] = 0;
+
err = mlx4_en_config_rss_steer(priv);
if (err) {
en_err(priv, "Failed configuring rss steering\n");
- goto cq_err;
+ goto mac_err;
}
+ if (mdev->dev->caps.comp_pool && !priv->tx_vector) {
+ sprintf(name , "%s-tx", priv->dev->name);
+ if (mlx4_assign_eq(mdev->dev , name, &priv->tx_vector)) {
+ mlx4_warn(mdev, "Failed Assigning an EQ to "
+ "%s_tx ,Falling back to legacy "
+ "EQ's\n", priv->dev->name);
+ }
+ }
/* Configure tx cq's and rings */
for (i = 0; i < priv->tx_ring_num; i++) {
/* Configure cq */
cq = &priv->tx_cq[i];
+ cq->vector = priv->tx_vector;
err = mlx4_en_activate_cq(priv, cq);
if (err) {
en_err(priv, "Failed allocating Tx CQ\n");
@@ -659,24 +726,22 @@ int mlx4_en_start_port(struct net_device *dev)
en_err(priv, "Failed setting default qp numbers\n");
goto tx_err;
}
- /* Set port mac number */
- en_dbg(DRV, priv, "Setting mac for port %d\n", priv->port);
- err = mlx4_register_mac(mdev->dev, priv->port,
- priv->mac, &priv->mac_index);
- if (err) {
- en_err(priv, "Failed setting port mac\n");
- goto tx_err;
- }
- mdev->mac_removed[priv->port] = 0;
/* Init port */
en_dbg(HW, priv, "Initializing port\n");
err = mlx4_INIT_PORT(mdev->dev, priv->port);
if (err) {
en_err(priv, "Failed Initializing port\n");
- goto mac_err;
+ goto tx_err;
}
+ /* Attach rx QP to bradcast address */
+ memset(&mc_list[10], 0xff, ETH_ALEN);
+ mc_list[5] = priv->port;
+ if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
+ 0, MLX4_PROT_ETH))
+ mlx4_warn(mdev, "Failed Attaching Broadcast\n");
+
/* Schedule multicast task to populate multicast list */
queue_work(mdev->workqueue, &priv->mcast_task);
@@ -684,8 +749,6 @@ int mlx4_en_start_port(struct net_device *dev)
netif_tx_start_all_queues(dev);
return 0;
-mac_err:
- mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
tx_err:
while (tx_index--) {
mlx4_en_deactivate_tx_ring(priv, &priv->tx_ring[tx_index]);
@@ -693,6 +756,8 @@ tx_err:
}
mlx4_en_release_rss_steer(priv);
+mac_err:
+ mlx4_unregister_mac(mdev->dev, priv->port, priv->base_qpn);
cq_err:
while (rx_index--)
mlx4_en_deactivate_cq(priv, &priv->rx_cq[rx_index]);
@@ -708,6 +773,7 @@ void mlx4_en_stop_port(struct net_device *dev)
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int i;
+ u8 mc_list[16] = {0};
if (!priv->port_up) {
en_dbg(DRV, priv, "stop port called while port already down\n");
@@ -722,8 +788,23 @@ void mlx4_en_stop_port(struct net_device *dev)
/* Set port as not active */
priv->port_up = false;
+ /* Detach All multicasts */
+ memset(&mc_list[10], 0xff, ETH_ALEN);
+ mc_list[5] = priv->port;
+ mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
+ MLX4_PROT_ETH);
+ for (i = 0; i < priv->mc_addrs_cnt; i++) {
+ memcpy(&mc_list[10], priv->mc_addrs + i * ETH_ALEN, ETH_ALEN);
+ mc_list[5] = priv->port;
+ mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
+ mc_list, MLX4_PROT_ETH);
+ }
+ mlx4_en_clear_list(dev);
+ /* Flush multicast filter */
+ mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG);
+
/* Unregister Mac address for the port */
- mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
+ mlx4_unregister_mac(mdev->dev, priv->port, priv->base_qpn);
mdev->mac_removed[priv->port] = 1;
/* Free TX Rings */
@@ -801,7 +882,6 @@ static int mlx4_en_open(struct net_device *dev)
priv->rx_ring[i].packets = 0;
}
- mlx4_en_set_default_moderation(priv);
err = mlx4_en_start_port(dev);
if (err)
en_err(priv, "Failed starting port:%d\n", priv->port);
@@ -828,7 +908,7 @@ static int mlx4_en_close(struct net_device *dev)
return 0;
}
-void mlx4_en_free_resources(struct mlx4_en_priv *priv)
+void mlx4_en_free_resources(struct mlx4_en_priv *priv, bool reserve_vectors)
{
int i;
@@ -836,14 +916,14 @@ void mlx4_en_free_resources(struct mlx4_en_priv *priv)
if (priv->tx_ring[i].tx_info)
mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
if (priv->tx_cq[i].buf)
- mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
+ mlx4_en_destroy_cq(priv, &priv->tx_cq[i], reserve_vectors);
}
for (i = 0; i < priv->rx_ring_num; i++) {
if (priv->rx_ring[i].rx_info)
mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i]);
if (priv->rx_cq[i].buf)
- mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
+ mlx4_en_destroy_cq(priv, &priv->rx_cq[i], reserve_vectors);
}
}
@@ -851,6 +931,13 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
{
struct mlx4_en_port_profile *prof = priv->prof;
int i;
+ int base_tx_qpn, err;
+
+ err = mlx4_qp_reserve_range(priv->mdev->dev, priv->tx_ring_num, 256, &base_tx_qpn);
+ if (err) {
+ en_err(priv, "failed reserving range for TX rings\n");
+ return err;
+ }
/* Create tx Rings */
for (i = 0; i < priv->tx_ring_num; i++) {
@@ -858,7 +945,7 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
prof->tx_ring_size, i, TX))
goto err;
- if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i],
+ if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], base_tx_qpn + i,
prof->tx_ring_size, TXBB_SIZE))
goto err;
}
@@ -878,6 +965,7 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
err:
en_err(priv, "Failed to allocate NIC resources\n");
+ mlx4_qp_release_range(priv->mdev->dev, base_tx_qpn, priv->tx_ring_num);
return -ENOMEM;
}
@@ -905,7 +993,7 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
mdev->pndev[priv->port] = NULL;
mutex_unlock(&mdev->state_lock);
- mlx4_en_free_resources(priv);
+ mlx4_en_free_resources(priv, false);
free_netdev(dev);
}
@@ -932,7 +1020,6 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
en_dbg(DRV, priv, "Change MTU called with card down!?\n");
} else {
mlx4_en_stop_port(dev);
- mlx4_en_set_default_moderation(priv);
err = mlx4_en_start_port(dev);
if (err) {
en_err(priv, "Failed restarting port:%d\n",
@@ -1079,7 +1166,25 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num);
en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
+ /* Configure port */
+ err = mlx4_SET_PORT_general(mdev->dev, priv->port,
+ MLX4_EN_MIN_MTU,
+ 0, 0, 0, 0);
+ if (err) {
+ en_err(priv, "Failed setting port general configurations "
+ "for port %d, with error %d\n", priv->port, err);
+ goto out;
+ }
+
+ /* Init port */
+ en_warn(priv, "Initializing port\n");
+ err = mlx4_INIT_PORT(mdev->dev, priv->port);
+ if (err) {
+ en_err(priv, "Failed Initializing port\n");
+ goto out;
+ }
priv->registered = 1;
+ mlx4_en_set_default_moderation(priv);
queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
return 0;
generated by cgit v1.1 at 2024-12-26 04:20:25 +0000