|
@@ -1,5 +1,5 @@
|
|
|
/*
|
|
|
- * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
|
|
|
+ * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved.
|
|
|
*
|
|
|
* This software is available to you under a choice of one of two
|
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
@@ -31,8 +31,10 @@
|
|
|
*/
|
|
|
|
|
|
#include <linux/mlx5/fs.h>
|
|
|
+#include <net/vxlan.h>
|
|
|
#include "en.h"
|
|
|
#include "eswitch.h"
|
|
|
+#include "vxlan.h"
|
|
|
|
|
|
struct mlx5e_rq_param {
|
|
|
u32 rqc[MLX5_ST_SZ_DW(rqc)];
|
|
@@ -143,9 +145,12 @@ void mlx5e_update_stats(struct mlx5e_priv *priv)
|
|
|
/* Collect firts the SW counters and then HW for consistency */
|
|
|
s->tso_packets = 0;
|
|
|
s->tso_bytes = 0;
|
|
|
+ s->tso_inner_packets = 0;
|
|
|
+ s->tso_inner_bytes = 0;
|
|
|
s->tx_queue_stopped = 0;
|
|
|
s->tx_queue_wake = 0;
|
|
|
s->tx_queue_dropped = 0;
|
|
|
+ s->tx_csum_inner = 0;
|
|
|
tx_offload_none = 0;
|
|
|
s->lro_packets = 0;
|
|
|
s->lro_bytes = 0;
|
|
@@ -166,9 +171,12 @@ void mlx5e_update_stats(struct mlx5e_priv *priv)
|
|
|
|
|
|
s->tso_packets += sq_stats->tso_packets;
|
|
|
s->tso_bytes += sq_stats->tso_bytes;
|
|
|
+ s->tso_inner_packets += sq_stats->tso_inner_packets;
|
|
|
+ s->tso_inner_bytes += sq_stats->tso_inner_bytes;
|
|
|
s->tx_queue_stopped += sq_stats->stopped;
|
|
|
s->tx_queue_wake += sq_stats->wake;
|
|
|
s->tx_queue_dropped += sq_stats->dropped;
|
|
|
+ s->tx_csum_inner += sq_stats->csum_offload_inner;
|
|
|
tx_offload_none += sq_stats->csum_offload_none;
|
|
|
}
|
|
|
}
|
|
@@ -243,7 +251,7 @@ void mlx5e_update_stats(struct mlx5e_priv *priv)
|
|
|
s->tx_broadcast_bytes;
|
|
|
|
|
|
/* Update calculated offload counters */
|
|
|
- s->tx_csum_offload = s->tx_packets - tx_offload_none;
|
|
|
+ s->tx_csum_offload = s->tx_packets - tx_offload_none - s->tx_csum_inner;
|
|
|
s->rx_csum_good = s->rx_packets - s->rx_csum_none -
|
|
|
s->rx_csum_sw;
|
|
|
|
|
@@ -1400,6 +1408,24 @@ static int mlx5e_set_dev_port_mtu(struct net_device *netdev)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
+static void mlx5e_netdev_set_tcs(struct net_device *netdev)
|
|
|
+{
|
|
|
+ struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
+ int nch = priv->params.num_channels;
|
|
|
+ int ntc = priv->params.num_tc;
|
|
|
+ int tc;
|
|
|
+
|
|
|
+ netdev_reset_tc(netdev);
|
|
|
+
|
|
|
+ if (ntc == 1)
|
|
|
+ return;
|
|
|
+
|
|
|
+ netdev_set_num_tc(netdev, ntc);
|
|
|
+
|
|
|
+ for (tc = 0; tc < ntc; tc++)
|
|
|
+ netdev_set_tc_queue(netdev, tc, nch, tc * nch);
|
|
|
+}
|
|
|
+
|
|
|
int mlx5e_open_locked(struct net_device *netdev)
|
|
|
{
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
@@ -1408,6 +1434,8 @@ int mlx5e_open_locked(struct net_device *netdev)
|
|
|
|
|
|
set_bit(MLX5E_STATE_OPENED, &priv->state);
|
|
|
|
|
|
+ mlx5e_netdev_set_tcs(netdev);
|
|
|
+
|
|
|
num_txqs = priv->params.num_channels * priv->params.num_tc;
|
|
|
netif_set_real_num_tx_queues(netdev, num_txqs);
|
|
|
netif_set_real_num_rx_queues(netdev, priv->params.num_channels);
|
|
@@ -1602,7 +1630,7 @@ static int mlx5e_create_tis(struct mlx5e_priv *priv, int tc)
|
|
|
|
|
|
memset(in, 0, sizeof(in));
|
|
|
|
|
|
- MLX5_SET(tisc, tisc, prio, tc);
|
|
|
+ MLX5_SET(tisc, tisc, prio, tc << 1);
|
|
|
MLX5_SET(tisc, tisc, transport_domain, priv->tdn);
|
|
|
|
|
|
return mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]);
|
|
@@ -1618,7 +1646,7 @@ static int mlx5e_create_tises(struct mlx5e_priv *priv)
|
|
|
int err;
|
|
|
int tc;
|
|
|
|
|
|
- for (tc = 0; tc < priv->params.num_tc; tc++) {
|
|
|
+ for (tc = 0; tc < MLX5E_MAX_NUM_TC; tc++) {
|
|
|
err = mlx5e_create_tis(priv, tc);
|
|
|
if (err)
|
|
|
goto err_close_tises;
|
|
@@ -1637,7 +1665,7 @@ static void mlx5e_destroy_tises(struct mlx5e_priv *priv)
|
|
|
{
|
|
|
int tc;
|
|
|
|
|
|
- for (tc = 0; tc < priv->params.num_tc; tc++)
|
|
|
+ for (tc = 0; tc < MLX5E_MAX_NUM_TC; tc++)
|
|
|
mlx5e_destroy_tis(priv, tc);
|
|
|
}
|
|
|
|
|
@@ -1824,6 +1852,40 @@ static void mlx5e_destroy_tirs(struct mlx5e_priv *priv)
|
|
|
mlx5e_destroy_tir(priv, i);
|
|
|
}
|
|
|
|
|
|
+static int mlx5e_setup_tc(struct net_device *netdev, u8 tc)
|
|
|
+{
|
|
|
+ struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
+ bool was_opened;
|
|
|
+ int err = 0;
|
|
|
+
|
|
|
+ if (tc && tc != MLX5E_MAX_NUM_TC)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ mutex_lock(&priv->state_lock);
|
|
|
+
|
|
|
+ was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
|
|
|
+ if (was_opened)
|
|
|
+ mlx5e_close_locked(priv->netdev);
|
|
|
+
|
|
|
+ priv->params.num_tc = tc ? tc : 1;
|
|
|
+
|
|
|
+ if (was_opened)
|
|
|
+ err = mlx5e_open_locked(priv->netdev);
|
|
|
+
|
|
|
+ mutex_unlock(&priv->state_lock);
|
|
|
+
|
|
|
+ return err;
|
|
|
+}
|
|
|
+
|
|
|
+static int mlx5e_ndo_setup_tc(struct net_device *dev, u32 handle,
|
|
|
+ __be16 proto, struct tc_to_netdev *tc)
|
|
|
+{
|
|
|
+ if (handle != TC_H_ROOT || tc->type != TC_SETUP_MQPRIO)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ return mlx5e_setup_tc(dev, tc->tc);
|
|
|
+}
|
|
|
+
|
|
|
static struct rtnl_link_stats64 *
|
|
|
mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
|
|
|
{
|
|
@@ -2024,10 +2086,84 @@ static int mlx5e_get_vf_stats(struct net_device *dev,
|
|
|
vf_stats);
|
|
|
}
|
|
|
|
|
|
+static void mlx5e_add_vxlan_port(struct net_device *netdev,
|
|
|
+ sa_family_t sa_family, __be16 port)
|
|
|
+{
|
|
|
+ struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
+
|
|
|
+ if (!mlx5e_vxlan_allowed(priv->mdev))
|
|
|
+ return;
|
|
|
+
|
|
|
+ mlx5e_vxlan_add_port(priv, be16_to_cpu(port));
|
|
|
+}
|
|
|
+
|
|
|
+static void mlx5e_del_vxlan_port(struct net_device *netdev,
|
|
|
+ sa_family_t sa_family, __be16 port)
|
|
|
+{
|
|
|
+ struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
+
|
|
|
+ if (!mlx5e_vxlan_allowed(priv->mdev))
|
|
|
+ return;
|
|
|
+
|
|
|
+ mlx5e_vxlan_del_port(priv, be16_to_cpu(port));
|
|
|
+}
|
|
|
+
|
|
|
+static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv,
|
|
|
+ struct sk_buff *skb,
|
|
|
+ netdev_features_t features)
|
|
|
+{
|
|
|
+ struct udphdr *udph;
|
|
|
+ u16 proto;
|
|
|
+ u16 port = 0;
|
|
|
+
|
|
|
+ switch (vlan_get_protocol(skb)) {
|
|
|
+ case htons(ETH_P_IP):
|
|
|
+ proto = ip_hdr(skb)->protocol;
|
|
|
+ break;
|
|
|
+ case htons(ETH_P_IPV6):
|
|
|
+ proto = ipv6_hdr(skb)->nexthdr;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ goto out;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (proto == IPPROTO_UDP) {
|
|
|
+ udph = udp_hdr(skb);
|
|
|
+ port = be16_to_cpu(udph->dest);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Verify if UDP port is being offloaded by HW */
|
|
|
+ if (port && mlx5e_vxlan_lookup_port(priv, port))
|
|
|
+ return features;
|
|
|
+
|
|
|
+out:
|
|
|
+ /* Disable CSUM and GSO if the udp dport is not offloaded by HW */
|
|
|
+ return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
|
|
|
+}
|
|
|
+
|
|
|
+static netdev_features_t mlx5e_features_check(struct sk_buff *skb,
|
|
|
+ struct net_device *netdev,
|
|
|
+ netdev_features_t features)
|
|
|
+{
|
|
|
+ struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
+
|
|
|
+ features = vlan_features_check(skb, features);
|
|
|
+ features = vxlan_features_check(skb, features);
|
|
|
+
|
|
|
+ /* Validate if the tunneled packet is being offloaded by HW */
|
|
|
+ if (skb->encapsulation &&
|
|
|
+ (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK))
|
|
|
+ return mlx5e_vxlan_features_check(priv, skb, features);
|
|
|
+
|
|
|
+ return features;
|
|
|
+}
|
|
|
+
|
|
|
static const struct net_device_ops mlx5e_netdev_ops_basic = {
|
|
|
.ndo_open = mlx5e_open,
|
|
|
.ndo_stop = mlx5e_close,
|
|
|
.ndo_start_xmit = mlx5e_xmit,
|
|
|
+ .ndo_setup_tc = mlx5e_ndo_setup_tc,
|
|
|
+ .ndo_select_queue = mlx5e_select_queue,
|
|
|
.ndo_get_stats64 = mlx5e_get_stats,
|
|
|
.ndo_set_rx_mode = mlx5e_set_rx_mode,
|
|
|
.ndo_set_mac_address = mlx5e_set_mac,
|
|
@@ -2042,6 +2178,8 @@ static const struct net_device_ops mlx5e_netdev_ops_sriov = {
|
|
|
.ndo_open = mlx5e_open,
|
|
|
.ndo_stop = mlx5e_close,
|
|
|
.ndo_start_xmit = mlx5e_xmit,
|
|
|
+ .ndo_setup_tc = mlx5e_ndo_setup_tc,
|
|
|
+ .ndo_select_queue = mlx5e_select_queue,
|
|
|
.ndo_get_stats64 = mlx5e_get_stats,
|
|
|
.ndo_set_rx_mode = mlx5e_set_rx_mode,
|
|
|
.ndo_set_mac_address = mlx5e_set_mac,
|
|
@@ -2050,6 +2188,9 @@ static const struct net_device_ops mlx5e_netdev_ops_sriov = {
|
|
|
.ndo_set_features = mlx5e_set_features,
|
|
|
.ndo_change_mtu = mlx5e_change_mtu,
|
|
|
.ndo_do_ioctl = mlx5e_ioctl,
|
|
|
+ .ndo_add_vxlan_port = mlx5e_add_vxlan_port,
|
|
|
+ .ndo_del_vxlan_port = mlx5e_del_vxlan_port,
|
|
|
+ .ndo_features_check = mlx5e_features_check,
|
|
|
.ndo_set_vf_mac = mlx5e_set_vf_mac,
|
|
|
.ndo_set_vf_vlan = mlx5e_set_vf_vlan,
|
|
|
.ndo_get_vf_config = mlx5e_get_vf_config,
|
|
@@ -2089,6 +2230,24 @@ u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev)
|
|
|
2 /*sizeof(mlx5e_tx_wqe.inline_hdr_start)*/;
|
|
|
}
|
|
|
|
|
|
+#ifdef CONFIG_MLX5_CORE_EN_DCB
|
|
|
+static void mlx5e_ets_init(struct mlx5e_priv *priv)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+
|
|
|
+ priv->params.ets.ets_cap = mlx5_max_tc(priv->mdev) + 1;
|
|
|
+ for (i = 0; i < priv->params.ets.ets_cap; i++) {
|
|
|
+ priv->params.ets.tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC;
|
|
|
+ priv->params.ets.tc_tsa[i] = IEEE_8021QAZ_TSA_VENDOR;
|
|
|
+ priv->params.ets.prio_tc[i] = i;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1) */
|
|
|
+ priv->params.ets.prio_tc[0] = 1;
|
|
|
+ priv->params.ets.prio_tc[1] = 0;
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev,
|
|
|
struct net_device *netdev,
|
|
|
int num_channels)
|
|
@@ -2112,7 +2271,6 @@ static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev,
|
|
|
priv->params.min_rx_wqes =
|
|
|
MLX5E_PARAMS_DEFAULT_MIN_RX_WQES;
|
|
|
priv->params.num_tc = 1;
|
|
|
- priv->params.default_vlan_prio = 0;
|
|
|
priv->params.rss_hfunc = ETH_RSS_HASH_XOR;
|
|
|
|
|
|
netdev_rss_key_fill(priv->params.toeplitz_hash_key,
|
|
@@ -2127,7 +2285,10 @@ static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev,
|
|
|
priv->mdev = mdev;
|
|
|
priv->netdev = netdev;
|
|
|
priv->params.num_channels = num_channels;
|
|
|
- priv->default_vlan_prio = priv->params.default_vlan_prio;
|
|
|
+
|
|
|
+#ifdef CONFIG_MLX5_CORE_EN_DCB
|
|
|
+ mlx5e_ets_init(priv);
|
|
|
+#endif
|
|
|
|
|
|
spin_lock_init(&priv->async_events_spinlock);
|
|
|
mutex_init(&priv->state_lock);
|
|
@@ -2156,10 +2317,14 @@ static void mlx5e_build_netdev(struct net_device *netdev)
|
|
|
|
|
|
SET_NETDEV_DEV(netdev, &mdev->pdev->dev);
|
|
|
|
|
|
- if (MLX5_CAP_GEN(mdev, vport_group_manager))
|
|
|
+ if (MLX5_CAP_GEN(mdev, vport_group_manager)) {
|
|
|
netdev->netdev_ops = &mlx5e_netdev_ops_sriov;
|
|
|
- else
|
|
|
+#ifdef CONFIG_MLX5_CORE_EN_DCB
|
|
|
+ netdev->dcbnl_ops = &mlx5e_dcbnl_ops;
|
|
|
+#endif
|
|
|
+ } else {
|
|
|
netdev->netdev_ops = &mlx5e_netdev_ops_basic;
|
|
|
+ }
|
|
|
|
|
|
netdev->watchdog_timeo = 15 * HZ;
|
|
|
|
|
@@ -2182,6 +2347,16 @@ static void mlx5e_build_netdev(struct net_device *netdev)
|
|
|
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
|
|
|
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
|
|
|
|
|
|
+ if (mlx5e_vxlan_allowed(mdev)) {
|
|
|
+ netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
|
|
|
+ netdev->hw_enc_features |= NETIF_F_IP_CSUM;
|
|
|
+ netdev->hw_enc_features |= NETIF_F_RXCSUM;
|
|
|
+ netdev->hw_enc_features |= NETIF_F_TSO;
|
|
|
+ netdev->hw_enc_features |= NETIF_F_TSO6;
|
|
|
+ netdev->hw_enc_features |= NETIF_F_RXHASH;
|
|
|
+ netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL;
|
|
|
+ }
|
|
|
+
|
|
|
netdev->features = netdev->hw_features;
|
|
|
if (!priv->params.lro_en)
|
|
|
netdev->features &= ~NETIF_F_LRO;
|
|
@@ -2228,7 +2403,9 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev)
|
|
|
if (mlx5e_check_required_hca_cap(mdev))
|
|
|
return NULL;
|
|
|
|
|
|
- netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), nch, nch);
|
|
|
+ netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv),
|
|
|
+ nch * MLX5E_MAX_NUM_TC,
|
|
|
+ nch);
|
|
|
if (!netdev) {
|
|
|
mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n");
|
|
|
return NULL;
|
|
@@ -2303,12 +2480,21 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev)
|
|
|
|
|
|
mlx5e_init_eth_addr(priv);
|
|
|
|
|
|
+ mlx5e_vxlan_init(priv);
|
|
|
+
|
|
|
+#ifdef CONFIG_MLX5_CORE_EN_DCB
|
|
|
+ mlx5e_dcbnl_ieee_setets_core(priv, &priv->params.ets);
|
|
|
+#endif
|
|
|
+
|
|
|
err = register_netdev(netdev);
|
|
|
if (err) {
|
|
|
mlx5_core_err(mdev, "register_netdev failed, %d\n", err);
|
|
|
goto err_destroy_flow_tables;
|
|
|
}
|
|
|
|
|
|
+ if (mlx5e_vxlan_allowed(mdev))
|
|
|
+ vxlan_get_rx_port(netdev);
|
|
|
+
|
|
|
mlx5e_enable_async_events(priv);
|
|
|
schedule_work(&priv->set_rx_mode_work);
|
|
|
|
|
@@ -2361,6 +2547,7 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv)
|
|
|
mlx5e_disable_async_events(priv);
|
|
|
flush_scheduled_work();
|
|
|
unregister_netdev(netdev);
|
|
|
+ mlx5e_vxlan_cleanup(priv);
|
|
|
mlx5e_destroy_flow_tables(priv);
|
|
|
mlx5e_destroy_tirs(priv);
|
|
|
mlx5e_destroy_rqt(priv, MLX5E_SINGLE_RQ_RQT);
|