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path: root/drivers/net/ethernet/mellanox/mlx4
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/cmd.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_cq.c25
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_ethtool.c24
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_main.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c107
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_resources.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_rx.c145
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_selftest.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_tx.c311
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c18
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mcg.c15
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h35
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/qp.c19
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c16
16 files changed, 449 insertions, 299 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index c1af47e45d3f..674773b28b2e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -3280,7 +3280,7 @@ int mlx4_set_vf_link_state(struct mlx4_dev *dev, int port, int vf, int link_stat
if (mlx4_master_immediate_activate_vlan_qos(priv, slave, port))
mlx4_dbg(dev,
- "updating vf %d port %d no link state HW enforcment\n",
+ "updating vf %d port %d no link state HW enforcement\n",
vf, port);
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
index 09dd3776db76..85fe17e4dcfb 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
@@ -146,16 +146,25 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
if (err)
goto free_eq;
- cq->mcq.comp = cq->type != RX ? mlx4_en_tx_irq : mlx4_en_rx_irq;
cq->mcq.event = mlx4_en_cq_event;
- if (cq->type != RX)
+ switch (cq->type) {
+ case TX:
+ cq->mcq.comp = mlx4_en_tx_irq;
netif_tx_napi_add(cq->dev, &cq->napi, mlx4_en_poll_tx_cq,
NAPI_POLL_WEIGHT);
- else
+ napi_enable(&cq->napi);
+ break;
+ case RX:
+ cq->mcq.comp = mlx4_en_rx_irq;
netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_rx_cq, 64);
-
- napi_enable(&cq->napi);
+ napi_enable(&cq->napi);
+ break;
+ case TX_XDP:
+ /* nothing regarding napi, it's shared with rx ring */
+ cq->xdp_busy = false;
+ break;
+ }
return 0;
@@ -184,8 +193,10 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq)
void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
{
- napi_disable(&cq->napi);
- netif_napi_del(&cq->napi);
+ if (cq->type != TX_XDP) {
+ napi_disable(&cq->napi);
+ netif_napi_del(&cq->napi);
+ }
mlx4_cq_free(priv->mdev->dev, &cq->mcq);
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
index 1dae8e40fb25..5f41dc92aa68 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
@@ -238,7 +238,7 @@ static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state)
priv->flags &= ~MLX4_EN_FLAG_DCB_ENABLED;
}
- if (mlx4_en_setup_tc(dev, num_tcs))
+ if (mlx4_en_alloc_tx_queue_per_tc(dev, num_tcs))
return 1;
return 0;
@@ -303,7 +303,7 @@ static int mlx4_en_ets_validate(struct mlx4_en_priv *priv, struct ieee_ets *ets)
int has_ets_tc = 0;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
- if (ets->prio_tc[i] >= MLX4_EN_NUM_UP) {
+ if (ets->prio_tc[i] >= MLX4_EN_NUM_UP_HIGH) {
en_err(priv, "Bad priority in UP <=> TC mapping. TC: %d, UP: %d\n",
i, ets->prio_tc[i]);
return -EINVAL;
@@ -472,7 +472,7 @@ static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode)
goto err;
if (mlx4_en_dcbnl_ieee_setpfc(dev, &pfc))
goto err;
- if (mlx4_en_setup_tc(dev, 0))
+ if (mlx4_en_alloc_tx_queue_per_tc(dev, 0))
goto err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index ae5fdc2df654..c751a1d434ad 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -89,7 +89,7 @@ mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
struct mlx4_en_dev *mdev = priv->mdev;
strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
- strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
+ strlcpy(drvinfo->version, DRV_VERSION,
sizeof(drvinfo->version));
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%d.%d.%d",
@@ -1562,11 +1562,6 @@ static int mlx4_en_flow_replace(struct net_device *dev,
qpn = priv->drop_qp.qpn;
else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
- if (qpn < priv->rss_map.base_qpn ||
- qpn >= priv->rss_map.base_qpn + priv->rx_ring_num) {
- en_warn(priv, "rxnfc: QP (0x%x) doesn't exist\n", qpn);
- return -EINVAL;
- }
} else {
if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n",
@@ -1755,7 +1750,8 @@ static void mlx4_en_get_channels(struct net_device *dev,
channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
channel->rx_count = priv->rx_ring_num;
- channel->tx_count = priv->tx_ring_num[TX] / MLX4_EN_NUM_UP;
+ channel->tx_count = priv->tx_ring_num[TX] /
+ priv->prof->num_up;
}
static int mlx4_en_set_channels(struct net_device *dev,
@@ -1768,6 +1764,7 @@ static int mlx4_en_set_channels(struct net_device *dev,
int port_up = 0;
int xdp_count;
int err = 0;
+ u8 up;
if (!channel->tx_count || !channel->rx_count)
return -EINVAL;
@@ -1778,18 +1775,19 @@ static int mlx4_en_set_channels(struct net_device *dev,
mutex_lock(&mdev->state_lock);
xdp_count = priv->tx_ring_num[TX_XDP] ? channel->rx_count : 0;
- if (channel->tx_count * MLX4_EN_NUM_UP + xdp_count > MAX_TX_RINGS) {
+ if (channel->tx_count * priv->prof->num_up + xdp_count >
+ MAX_TX_RINGS) {
err = -EINVAL;
en_err(priv,
"Total number of TX and XDP rings (%d) exceeds the maximum supported (%d)\n",
- channel->tx_count * MLX4_EN_NUM_UP + xdp_count,
+ channel->tx_count * priv->prof->num_up + xdp_count,
MAX_TX_RINGS);
goto out;
}
memcpy(&new_prof, priv->prof, sizeof(struct mlx4_en_port_profile));
new_prof.num_tx_rings_p_up = channel->tx_count;
- new_prof.tx_ring_num[TX] = channel->tx_count * MLX4_EN_NUM_UP;
+ new_prof.tx_ring_num[TX] = channel->tx_count * priv->prof->num_up;
new_prof.tx_ring_num[TX_XDP] = xdp_count;
new_prof.rx_ring_num = channel->rx_count;
@@ -1804,11 +1802,11 @@ static int mlx4_en_set_channels(struct net_device *dev,
mlx4_en_safe_replace_resources(priv, tmp);
- netif_set_real_num_tx_queues(dev, priv->tx_ring_num[TX]);
netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
- if (netdev_get_num_tc(dev))
- mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
+ up = (priv->prof->num_up == MLX4_EN_NUM_UP_LOW) ?
+ 0 : priv->prof->num_up;
+ mlx4_en_setup_tc(dev, up);
en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num[TX]);
en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index 36a7a54bbb82..2b0cbca4beb5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -46,11 +46,11 @@
MODULE_AUTHOR("Liran Liss, Yevgeny Petrilin");
MODULE_DESCRIPTION("Mellanox ConnectX HCA Ethernet driver");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_VERSION(DRV_VERSION " ("DRV_RELDATE")");
+MODULE_VERSION(DRV_VERSION);
static const char mlx4_en_version[] =
DRV_NAME ": Mellanox ConnectX HCA Ethernet driver v"
- DRV_VERSION " (" DRV_RELDATE ")\n";
+ DRV_VERSION "\n";
#define MLX4_EN_PARM_INT(X, def_val, desc) \
static unsigned int X = def_val;\
@@ -125,9 +125,9 @@ void mlx4_en_update_loopback_state(struct net_device *dev,
priv->flags |= MLX4_EN_FLAG_ENABLE_HW_LOOPBACK;
mutex_lock(&priv->mdev->state_lock);
- if (priv->mdev->dev->caps.flags2 &
- MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB &&
- priv->rss_map.indir_qp.qpn) {
+ if ((priv->mdev->dev->caps.flags2 &
+ MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB) &&
+ priv->rss_map.indir_qp && priv->rss_map.indir_qp->qpn) {
int i;
int err = 0;
int loopback = !!(features & NETIF_F_LOOPBACK);
@@ -169,8 +169,10 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
params->prof[i].tx_ppp = pfctx;
params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE;
params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE;
+ params->prof[i].num_up = MLX4_EN_NUM_UP_LOW;
+ params->prof[i].num_tx_rings_p_up = params->num_tx_rings_p_up;
params->prof[i].tx_ring_num[TX] = params->num_tx_rings_p_up *
- MLX4_EN_NUM_UP;
+ params->prof[i].num_up;
params->prof[i].rss_rings = 0;
params->prof[i].inline_thold = inline_thold;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 94fab20ef146..3a291fc1780a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -60,11 +60,11 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up)
int i;
unsigned int offset = 0;
- if (up && up != MLX4_EN_NUM_UP)
+ if (up && up != MLX4_EN_NUM_UP_HIGH)
return -EINVAL;
netdev_set_num_tc(dev, up);
-
+ netif_set_real_num_tx_queues(dev, priv->tx_ring_num[TX]);
/* Partition Tx queues evenly amongst UP's */
for (i = 0; i < up; i++) {
netdev_set_tc_queue(dev, i, priv->num_tx_rings_p_up, offset);
@@ -86,15 +86,63 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up)
return 0;
}
-static int __mlx4_en_setup_tc(struct net_device *dev, u32 handle, __be16 proto,
+int mlx4_en_alloc_tx_queue_per_tc(struct net_device *dev, u8 tc)
+{
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = priv->mdev;
+ struct mlx4_en_port_profile new_prof;
+ struct mlx4_en_priv *tmp;
+ int port_up = 0;
+ int err = 0;
+
+ tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
+ if (!tmp)
+ return -ENOMEM;
+
+ mutex_lock(&mdev->state_lock);
+ memcpy(&new_prof, priv->prof, sizeof(struct mlx4_en_port_profile));
+ new_prof.num_up = (tc == 0) ? MLX4_EN_NUM_UP_LOW :
+ MLX4_EN_NUM_UP_HIGH;
+ new_prof.tx_ring_num[TX] = new_prof.num_tx_rings_p_up *
+ new_prof.num_up;
+ err = mlx4_en_try_alloc_resources(priv, tmp, &new_prof, true);
+ if (err)
+ goto out;
+
+ if (priv->port_up) {
+ port_up = 1;
+ mlx4_en_stop_port(dev, 1);
+ }
+
+ mlx4_en_safe_replace_resources(priv, tmp);
+ if (port_up) {
+ err = mlx4_en_start_port(dev);
+ if (err) {
+ en_err(priv, "Failed starting port for setup TC\n");
+ goto out;
+ }
+ }
+
+ err = mlx4_en_setup_tc(dev, tc);
+out:
+ mutex_unlock(&mdev->state_lock);
+ kfree(tmp);
+ return err;
+}
+
+static int __mlx4_en_setup_tc(struct net_device *dev, u32 handle,
+ u32 chain_index, __be16 proto,
struct tc_to_netdev *tc)
{
if (tc->type != TC_SETUP_MQPRIO)
return -EINVAL;
+ if (tc->mqprio->num_tc && tc->mqprio->num_tc != MLX4_EN_NUM_UP_HIGH)
+ return -EINVAL;
+
tc->mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
- return mlx4_en_setup_tc(dev, tc->mqprio->num_tc);
+ return mlx4_en_alloc_tx_queue_per_tc(dev, tc->mqprio->num_tc);
}
#ifdef CONFIG_RFS_ACCEL
@@ -595,6 +643,8 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
return err;
}
+ en_info(priv, "Steering Mode %d\n", dev->caps.steering_mode);
+
if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) {
int base_qpn = mlx4_get_base_qpn(dev, priv->port);
*qpn = base_qpn + index;
@@ -1009,7 +1059,7 @@ static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
memcpy(&mc_list[10], mclist->addr, ETH_ALEN);
mc_list[5] = priv->port;
err = mlx4_multicast_detach(mdev->dev,
- &priv->rss_map.indir_qp,
+ priv->rss_map.indir_qp,
mc_list,
MLX4_PROT_ETH,
mclist->reg_id);
@@ -1031,7 +1081,7 @@ static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
/* needed for B0 steering support */
mc_list[5] = priv->port;
err = mlx4_multicast_attach(mdev->dev,
- &priv->rss_map.indir_qp,
+ priv->rss_map.indir_qp,
mc_list,
priv->port, 0,
MLX4_PROT_ETH,
@@ -1349,7 +1399,7 @@ static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
priv->rx_usecs = MLX4_EN_RX_COAL_TIME;
priv->tx_frames = MLX4_EN_TX_COAL_PKTS;
priv->tx_usecs = MLX4_EN_TX_COAL_TIME;
- en_dbg(INTR, priv, "Default coalesing params for mtu:%d - rx_frames:%d rx_usecs:%d\n",
+ en_dbg(INTR, priv, "Default coalescing params for mtu:%d - rx_frames:%d rx_usecs:%d\n",
priv->dev->mtu, priv->rx_frames, priv->rx_usecs);
/* Setup cq moderation params */
@@ -1676,13 +1726,15 @@ int mlx4_en_start_port(struct net_device *dev)
if (t != TX_XDP) {
tx_ring->tx_queue = netdev_get_tx_queue(dev, i);
tx_ring->recycle_ring = NULL;
+
+ /* Arm CQ for TX completions */
+ mlx4_en_arm_cq(priv, cq);
+
} else {
mlx4_en_init_recycle_ring(priv, i);
+ /* XDP TX CQ should never be armed */
}
- /* Arm CQ for TX completions */
- mlx4_en_arm_cq(priv, cq);
-
/* Set initial ownership of all Tx TXBBs to SW (1) */
for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE)
*((u32 *)(tx_ring->buf + j)) = 0xffffffff;
@@ -1741,7 +1793,7 @@ int mlx4_en_start_port(struct net_device *dev)
/* Attach rx QP to bradcast address */
eth_broadcast_addr(&mc_list[10]);
mc_list[5] = priv->port; /* needed for B0 steering support */
- if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
+ if (mlx4_multicast_attach(mdev->dev, priv->rss_map.indir_qp, mc_list,
priv->port, 0, MLX4_PROT_ETH,
&priv->broadcast_id))
mlx4_warn(mdev, "Failed Attaching Broadcast\n");
@@ -1865,12 +1917,12 @@ void mlx4_en_stop_port(struct net_device *dev, int detach)
/* Detach All multicasts */
eth_broadcast_addr(&mc_list[10]);
mc_list[5] = priv->port; /* needed for B0 steering support */
- mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
+ mlx4_multicast_detach(mdev->dev, priv->rss_map.indir_qp, mc_list,
MLX4_PROT_ETH, priv->broadcast_id);
list_for_each_entry(mclist, &priv->curr_list, list) {
memcpy(&mc_list[10], mclist->addr, ETH_ALEN);
mc_list[5] = priv->port;
- mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
+ mlx4_multicast_detach(mdev->dev, priv->rss_map.indir_qp,
mc_list, MLX4_PROT_ETH, mclist->reg_id);
if (mclist->tunnel_reg_id)
mlx4_flow_detach(mdev->dev, mclist->tunnel_reg_id);
@@ -2139,7 +2191,7 @@ static int mlx4_en_copy_priv(struct mlx4_en_priv *dst,
memcpy(&dst->hwtstamp_config, &prof->hwtstamp_config,
sizeof(dst->hwtstamp_config));
- dst->num_tx_rings_p_up = src->mdev->profile.num_tx_rings_p_up;
+ dst->num_tx_rings_p_up = prof->num_tx_rings_p_up;
dst->rx_ring_num = prof->rx_ring_num;
dst->flags = prof->flags;
dst->mdev = src->mdev;
@@ -2192,6 +2244,7 @@ static void mlx4_en_update_priv(struct mlx4_en_priv *dst,
dst->tx_ring[t] = src->tx_ring[t];
dst->tx_cq[t] = src->tx_cq[t];
}
+ dst->num_tx_rings_p_up = src->num_tx_rings_p_up;
dst->rx_ring_num = src->rx_ring_num;
memcpy(dst->prof, src->prof, sizeof(struct mlx4_en_port_profile));
}
@@ -2375,6 +2428,7 @@ static int mlx4_en_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
case HWTSTAMP_FILTER_PTP_V2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+ case HWTSTAMP_FILTER_NTP_ALL:
config.rx_filter = HWTSTAMP_FILTER_ALL;
break;
default:
@@ -2774,7 +2828,7 @@ static int mlx4_xdp_set(struct net_device *dev, struct bpf_prog *prog)
if (priv->tx_ring_num[TX] + xdp_ring_num > MAX_TX_RINGS) {
tx_changed = 1;
new_prof.tx_ring_num[TX] =
- MAX_TX_RINGS - ALIGN(xdp_ring_num, MLX4_EN_NUM_UP);
+ MAX_TX_RINGS - ALIGN(xdp_ring_num, priv->prof->num_up);
en_warn(priv, "Reducing the number of TX rings, to not exceed the max total rings number.\n");
}
@@ -2819,11 +2873,25 @@ out:
return err;
}
-static bool mlx4_xdp_attached(struct net_device *dev)
+static u32 mlx4_xdp_query(struct net_device *dev)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_dev *mdev = priv->mdev;
+ const struct bpf_prog *xdp_prog;
+ u32 prog_id = 0;
+
+ if (!priv->tx_ring_num[TX_XDP])
+ return prog_id;
+
+ mutex_lock(&mdev->state_lock);
+ xdp_prog = rcu_dereference_protected(
+ priv->rx_ring[0]->xdp_prog,
+ lockdep_is_held(&mdev->state_lock));
+ if (xdp_prog)
+ prog_id = xdp_prog->aux->id;
+ mutex_unlock(&mdev->state_lock);
- return !!priv->tx_ring_num[TX_XDP];
+ return prog_id;
}
static int mlx4_xdp(struct net_device *dev, struct netdev_xdp *xdp)
@@ -2832,7 +2900,8 @@ static int mlx4_xdp(struct net_device *dev, struct netdev_xdp *xdp)
case XDP_SETUP_PROG:
return mlx4_xdp_set(dev, xdp->prog);
case XDP_QUERY_PROG:
- xdp->prog_attached = mlx4_xdp_attached(dev);
+ xdp->prog_id = mlx4_xdp_query(dev);
+ xdp->prog_attached = !!xdp->prog_id;
return 0;
default:
return -EINVAL;
@@ -3250,7 +3319,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
priv->flags |= MLX4_EN_DCB_ENABLED;
priv->cee_config.pfc_state = false;
- for (i = 0; i < MLX4_EN_NUM_UP; i++)
+ for (i = 0; i < MLX4_EN_NUM_UP_HIGH; i++)
priv->cee_config.dcb_pfc[i] = pfc_disabled;
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_resources.c b/drivers/net/ethernet/mellanox/mlx4/en_resources.c
index a6b0db0e0383..86d2d42d658d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_resources.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_resources.c
@@ -63,7 +63,8 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
context->local_qpn = cpu_to_be32(qpn);
context->pri_path.ackto = 1 & 0x07;
context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6;
- if (user_prio >= 0) {
+ /* force user priority per tx ring */
+ if (user_prio >= 0 && priv->prof->num_up == MLX4_EN_NUM_UP_HIGH) {
context->pri_path.sched_queue |= user_prio << 3;
context->pri_path.feup = MLX4_FEUP_FORCE_ETH_UP;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 77abd1813047..e5fb89505a13 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -134,10 +134,11 @@ static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring, int index,
gfp_t gfp)
{
- struct mlx4_en_rx_desc *rx_desc = ring->buf + (index * ring->stride);
+ struct mlx4_en_rx_desc *rx_desc = ring->buf +
+ (index << ring->log_stride);
struct mlx4_en_rx_alloc *frags = ring->rx_info +
(index << priv->log_rx_info);
- if (ring->page_cache.index > 0) {
+ if (likely(ring->page_cache.index > 0)) {
/* XDP uses a single page per frame */
if (!frags->page) {
ring->page_cache.index--;
@@ -178,6 +179,7 @@ static void mlx4_en_free_rx_desc(const struct mlx4_en_priv *priv,
}
}
+/* Function not in fast-path */
static int mlx4_en_fill_rx_buffers(struct mlx4_en_priv *priv)
{
struct mlx4_en_rx_ring *ring;
@@ -539,14 +541,14 @@ static void validate_loopback(struct mlx4_en_priv *priv, void *va)
priv->loopback_ok = 1;
}
-static bool mlx4_en_refill_rx_buffers(struct mlx4_en_priv *priv,
+static void mlx4_en_refill_rx_buffers(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring)
{
u32 missing = ring->actual_size - (ring->prod - ring->cons);
/* Try to batch allocations, but not too much. */
if (missing < 8)
- return false;
+ return;
do {
if (mlx4_en_prepare_rx_desc(priv, ring,
ring->prod & ring->size_mask,
@@ -554,9 +556,9 @@ static bool mlx4_en_refill_rx_buffers(struct mlx4_en_priv *priv,
__GFP_MEMALLOC))
break;
ring->prod++;
- } while (--missing);
+ } while (likely(--missing));
- return true;
+ mlx4_en_update_rx_prod_db(ring);
}
/* When hardware doesn't strip the vlan, we need to calculate the checksum
@@ -637,21 +639,14 @@ static int check_csum(struct mlx4_cqe *cqe, struct sk_buff *skb, void *va,
int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int budget)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
- struct mlx4_en_dev *mdev = priv->mdev;
- struct mlx4_cqe *cqe;
- struct mlx4_en_rx_ring *ring = priv->rx_ring[cq->ring];
- struct mlx4_en_rx_alloc *frags;
+ int factor = priv->cqe_factor;
+ struct mlx4_en_rx_ring *ring;
struct bpf_prog *xdp_prog;
- int doorbell_pending;
- struct sk_buff *skb;
- int index;
- int nr;
- unsigned int length;
+ int cq_ring = cq->ring;
+ bool doorbell_pending;
+ struct mlx4_cqe *cqe;
int polled = 0;
- int ip_summed;
- int factor = priv->cqe_factor;
- u64 timestamp;
- bool l2_tunnel;
+ int index;
if (unlikely(!priv->port_up))
return 0;
@@ -659,6 +654,8 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
if (unlikely(budget <= 0))
return polled;
+ ring = priv->rx_ring[cq_ring];
+
/* Protect accesses to: ring->xdp_prog, priv->mac_hash list */
rcu_read_lock();
xdp_prog = rcu_dereference(ring->xdp_prog);
@@ -673,10 +670,17 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
/* Process all completed CQEs */
while (XNOR(cqe->owner_sr_opcode & MLX4_CQE_OWNER_MASK,
cq->mcq.cons_index & cq->size)) {
+ struct mlx4_en_rx_alloc *frags;
+ enum pkt_hash_types hash_type;
+ struct sk_buff *skb;
+ unsigned int length;
+ int ip_summed;
void *va;
+ int nr;
frags = ring->rx_info + (index << priv->log_rx_info);
va = page_address(frags[0].page) + frags[0].page_offset;
+ prefetchw(va);
/*
* make sure we read the CQE after we read the ownership bit
*/
@@ -768,7 +772,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
break;
case XDP_TX:
if (likely(!mlx4_en_xmit_frame(ring, frags, dev,
- length, cq->ring,
+ length, cq_ring,
&doorbell_pending))) {
frags[0].page = NULL;
goto next;
@@ -790,24 +794,27 @@ xdp_drop_no_cnt:
ring->packets++;
skb = napi_get_frags(&cq->napi);
- if (!skb)
+ if (unlikely(!skb))
goto next;
if (unlikely(ring->hwtstamp_rx_filter == HWTSTAMP_FILTER_ALL)) {
- timestamp = mlx4_en_get_cqe_ts(cqe);
- mlx4_en_fill_hwtstamps(mdev, skb_hwtstamps(skb),
+ u64 timestamp = mlx4_en_get_cqe_ts(cqe);
+
+ mlx4_en_fill_hwtstamps(priv->mdev, skb_hwtstamps(skb),
timestamp);
}
- skb_record_rx_queue(skb, cq->ring);
+ skb_record_rx_queue(skb, cq_ring);
if (likely(dev->features & NETIF_F_RXCSUM)) {
if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_TCP |
MLX4_CQE_STATUS_UDP)) {
if ((cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) &&
cqe->checksum == cpu_to_be16(0xffff)) {
- ip_summed = CHECKSUM_UNNECESSARY;
- l2_tunnel = (dev->hw_enc_features & NETIF_F_RXCSUM) &&
+ bool l2_tunnel = (dev->hw_enc_features & NETIF_F_RXCSUM) &&
(cqe->vlan_my_qpn & cpu_to_be32(MLX4_CQE_L2_TUNNEL));
+
+ ip_summed = CHECKSUM_UNNECESSARY;
+ hash_type = PKT_HASH_TYPE_L4;
if (l2_tunnel)
skb->csum_level = 1;
ring->csum_ok++;
@@ -822,6 +829,7 @@ xdp_drop_no_cnt:
goto csum_none;
} else {
ip_summed = CHECKSUM_COMPLETE;
+ hash_type = PKT_HASH_TYPE_L3;
ring->csum_complete++;
}
} else {
@@ -831,16 +839,14 @@ xdp_drop_no_cnt:
} else {
csum_none:
ip_summed = CHECKSUM_NONE;
+ hash_type = PKT_HASH_TYPE_L3;
ring->csum_none++;
}
skb->ip_summed = ip_summed;
if (dev->features & NETIF_F_RXHASH)
skb_set_hash(skb,
be32_to_cpu(cqe->immed_rss_invalid),
- (ip_summed == CHECKSUM_UNNECESSARY) ?
- PKT_HASH_TYPE_L4 :
- PKT_HASH_TYPE_L3);
-
+ hash_type);
if ((cqe->vlan_my_qpn &
cpu_to_be32(MLX4_CQE_CVLAN_PRESENT_MASK)) &&
@@ -867,15 +873,17 @@ next:
++cq->mcq.cons_index;
index = (cq->mcq.cons_index) & ring->size_mask;
cqe = mlx4_en_get_cqe(cq->buf, index, priv->cqe_size) + factor;
- if (++polled == budget)
+ if (unlikely(++polled == budget))
break;
}
rcu_read_unlock();
- if (polled) {
- if (doorbell_pending)
- mlx4_en_xmit_doorbell(priv->tx_ring[TX_XDP][cq->ring]);
+ if (likely(polled)) {
+ if (doorbell_pending) {
+ priv->tx_cq[TX_XDP][cq_ring]->xdp_busy = true;
+ mlx4_en_xmit_doorbell(priv->tx_ring[TX_XDP][cq_ring]);
+ }
mlx4_cq_set_ci(&cq->mcq);
wmb(); /* ensure HW sees CQ consumer before we post new buffers */
@@ -883,8 +891,7 @@ next:
}
AVG_PERF_COUNTER(priv->pstats.rx_coal_avg, polled);
- if (mlx4_en_refill_rx_buffers(priv, ring))
- mlx4_en_update_rx_prod_db(ring);
+ mlx4_en_refill_rx_buffers(priv, ring);
return polled;
}
@@ -907,16 +914,30 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget)
struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi);
struct net_device *dev = cq->dev;
struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct mlx4_en_cq *xdp_tx_cq = NULL;
+ bool clean_complete = true;
int done;
+ if (priv->tx_ring_num[TX_XDP]) {
+ xdp_tx_cq = priv->tx_cq[TX_XDP][cq->ring];
+ if (xdp_tx_cq->xdp_busy) {
+ clean_complete = mlx4_en_process_tx_cq(dev, xdp_tx_cq,
+ budget);
+ xdp_tx_cq->xdp_busy = !clean_complete;
+ }
+ }
+
done = mlx4_en_process_rx_cq(dev, cq, budget);
/* If we used up all the quota - we're probably not done yet... */
- if (done == budget) {
+ if (done == budget || !clean_complete) {
const struct cpumask *aff;
struct irq_data *idata;
int cpu_curr;
+ /* in case we got here because of !clean_complete */
+ done = budget;
+
INC_PERF_COUNTER(priv->pstats.napi_quota);
cpu_curr = smp_processor_id();
@@ -936,7 +957,7 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget)
done--;
}
/* Done for now */
- if (napi_complete_done(napi, done))
+ if (likely(napi_complete_done(napi, done)))
mlx4_en_arm_cq(priv, cq);
return done;
}
@@ -1099,11 +1120,14 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
int i, qpn;
int err = 0;
int good_qps = 0;
+ u8 flags;
en_dbg(DRV, priv, "Configuring rss steering\n");
+
+ flags = priv->rx_ring_num == 1 ? MLX4_RESERVE_A0_QP : 0;
err = mlx4_qp_reserve_range(mdev->dev, priv->rx_ring_num,
priv->rx_ring_num,
- &rss_map->base_qpn, 0);
+ &rss_map->base_qpn, flags);
if (err) {
en_err(priv, "Failed reserving %d qps\n", priv->rx_ring_num);
return err;
@@ -1120,13 +1144,28 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
++good_qps;
}
+ if (priv->rx_ring_num == 1) {
+ rss_map->indir_qp = &rss_map->qps[0];
+ priv->base_qpn = rss_map->indir_qp->qpn;
+ en_info(priv, "Optimized Non-RSS steering\n");
+ return 0;
+ }
+
+ rss_map->indir_qp = kzalloc(sizeof(*rss_map->indir_qp), GFP_KERNEL);
+ if (!rss_map->indir_qp) {
+ err = -ENOMEM;
+ goto rss_err;
+ }
+
/* Configure RSS indirection qp */
- err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, &rss_map->indir_qp, GFP_KERNEL);
+ err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, rss_map->indir_qp,
+ GFP_KERNEL);
if (err) {
en_err(priv, "Failed to allocate RSS indirection QP\n");
goto rss_err;
}
- rss_map->indir_qp.event = mlx4_en_sqp_event;
+
+ rss_map->indir_qp->event = mlx4_en_sqp_event;
mlx4_en_fill_qp_context(priv, 0, 0, 0, 1, priv->base_qpn,
priv->rx_ring[0]->cqn, -1, &context);
@@ -1164,8 +1203,9 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
err = -EINVAL;
goto indir_err;
}
+
err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context,
- &rss_map->indir_qp, &rss_map->indir_state);
+ rss_map->indir_qp, &rss_map->indir_state);
if (err)
goto indir_err;
@@ -1173,9 +1213,11 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
indir_err:
mlx4_qp_modify(mdev->dev, NULL, rss_map->indir_state,
- MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
- mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
- mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
+ MLX4_QP_STATE_RST, NULL, 0, 0, rss_map->indir_qp);
+ mlx4_qp_remove(mdev->dev, rss_map->indir_qp);
+ mlx4_qp_free(mdev->dev, rss_map->indir_qp);
+ kfree(rss_map->indir_qp);
+ rss_map->indir_qp = NULL;
rss_err:
for (i = 0; i < good_qps; i++) {
mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
@@ -1193,10 +1235,15 @@ void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv)
struct mlx4_en_rss_map *rss_map = &priv->rss_map;
int i;
- mlx4_qp_modify(mdev->dev, NULL, rss_map->indir_state,
- MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
- mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
- mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
+ if (priv->rx_ring_num > 1) {
+ mlx4_qp_modify(mdev->dev, NULL, rss_map->indir_state,
+ MLX4_QP_STATE_RST, NULL, 0, 0,
+ rss_map->indir_qp);
+ mlx4_qp_remove(mdev->dev, rss_map->indir_qp);
+ mlx4_qp_free(mdev->dev, rss_map->indir_qp);
+ kfree(rss_map->indir_qp);
+ rss_map->indir_qp = NULL;
+ }
for (i = 0; i < priv->rx_ring_num; i++) {
mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
index 17112faafbcc..88699b181946 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
@@ -63,8 +63,8 @@ static int mlx4_en_test_loopback_xmit(struct mlx4_en_priv *priv)
skb_reserve(skb, NET_IP_ALIGN);
- ethh = (struct ethhdr *)skb_put(skb, sizeof(struct ethhdr));
- packet = (unsigned char *)skb_put(skb, packet_size);
+ ethh = skb_put(skb, sizeof(struct ethhdr));
+ packet = skb_put(skb, packet_size);
memcpy(ethh->h_dest, priv->dev->dev_addr, ETH_ALEN);
eth_zero_addr(ethh->h_source);
ethh->h_proto = htons(ETH_P_ARP);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 6ffd1849a604..4f3a9b27ce4a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -234,23 +234,24 @@ static void mlx4_en_stamp_wqe(struct mlx4_en_priv *priv,
u8 owner)
{
__be32 stamp = cpu_to_be32(STAMP_VAL | (!!owner << STAMP_SHIFT));
- struct mlx4_en_tx_desc *tx_desc = ring->buf + index * TXBB_SIZE;
+ struct mlx4_en_tx_desc *tx_desc = ring->buf + (index << LOG_TXBB_SIZE);
struct mlx4_en_tx_info *tx_info = &ring->tx_info[index];
void *end = ring->buf + ring->buf_size;
__be32 *ptr = (__be32 *)tx_desc;
int i;
/* Optimize the common case when there are no wraparounds */
- if (likely((void *)tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) {
+ if (likely((void *)tx_desc +
+ (tx_info->nr_txbb << LOG_TXBB_SIZE) <= end)) {
/* Stamp the freed descriptor */
- for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE;
+ for (i = 0; i < tx_info->nr_txbb << LOG_TXBB_SIZE;
i += STAMP_STRIDE) {
*ptr = stamp;
ptr += STAMP_DWORDS;
}
} else {
/* Stamp the freed descriptor */
- for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE;
+ for (i = 0; i < tx_info->nr_txbb << LOG_TXBB_SIZE;
i += STAMP_STRIDE) {
*ptr = stamp;
ptr += STAMP_DWORDS;
@@ -265,11 +266,11 @@ static void mlx4_en_stamp_wqe(struct mlx4_en_priv *priv,
u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
- int index, u8 owner, u64 timestamp,
+ int index, u64 timestamp,
int napi_mode)
{
struct mlx4_en_tx_info *tx_info = &ring->tx_info[index];
- struct mlx4_en_tx_desc *tx_desc = ring->buf + index * TXBB_SIZE;
+ struct mlx4_en_tx_desc *tx_desc = ring->buf + (index << LOG_TXBB_SIZE);
struct mlx4_wqe_data_seg *data = (void *) tx_desc + tx_info->data_offset;
void *end = ring->buf + ring->buf_size;
struct sk_buff *skb = tx_info->skb;
@@ -288,19 +289,20 @@ u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
skb_tstamp_tx(skb, &hwts);
}
- /* Optimize the common case when there are no wraparounds */
- if (likely((void *) tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) {
- if (!tx_info->inl) {
- if (tx_info->linear)
- dma_unmap_single(priv->ddev,
- tx_info->map0_dma,
- tx_info->map0_byte_count,
- PCI_DMA_TODEVICE);
- else
- dma_unmap_page(priv->ddev,
- tx_info->map0_dma,
- tx_info->map0_byte_count,
- PCI_DMA_TODEVICE);
+ if (!tx_info->inl) {
+ if (tx_info->linear)
+ dma_unmap_single(priv->ddev,
+ tx_info->map0_dma,
+ tx_info->map0_byte_count,
+ PCI_DMA_TODEVICE);
+ else
+ dma_unmap_page(priv->ddev,
+ tx_info->map0_dma,
+ tx_info->map0_byte_count,
+ PCI_DMA_TODEVICE);
+ /* Optimize the common case when there are no wraparounds */
+ if (likely((void *)tx_desc +
+ (tx_info->nr_txbb << LOG_TXBB_SIZE) <= end)) {
for (i = 1; i < nr_maps; i++) {
data++;
dma_unmap_page(priv->ddev,
@@ -308,23 +310,10 @@ u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
be32_to_cpu(data->byte_count),
PCI_DMA_TODEVICE);
}
- }
- } else {
- if (!tx_info->inl) {
- if ((void *) data >= end) {
+ } else {
+ if ((void *)data >= end)
data = ring->buf + ((void *)data - end);
- }
- if (tx_info->linear)
- dma_unmap_single(priv->ddev,
- tx_info->map0_dma,
- tx_info->map0_byte_count,
- PCI_DMA_TODEVICE);
- else
- dma_unmap_page(priv->ddev,
- tx_info->map0_dma,
- tx_info->map0_byte_count,
- PCI_DMA_TODEVICE);
for (i = 1; i < nr_maps; i++) {
data++;
/* Check for wraparound before unmapping */
@@ -344,7 +333,7 @@ u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
- int index, u8 owner, u64 timestamp,
+ int index, u64 timestamp,
int napi_mode)
{
struct mlx4_en_tx_info *tx_info = &ring->tx_info[index];
@@ -381,8 +370,7 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring)
while (ring->cons != ring->prod) {
ring->last_nr_txbb = ring->free_tx_desc(priv, ring,
ring->cons & ring->size_mask,
- !!(ring->cons & ring->size), 0,
- 0 /* Non-NAPI caller */);
+ 0, 0 /* Non-NAPI caller */);
ring->cons += ring->last_nr_txbb;
cnt++;
}
@@ -396,15 +384,14 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring)
return cnt;
}
-static bool mlx4_en_process_tx_cq(struct net_device *dev,
- struct mlx4_en_cq *cq, int napi_budget)
+bool mlx4_en_process_tx_cq(struct net_device *dev,
+ struct mlx4_en_cq *cq, int napi_budget)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_cq *mcq = &cq->mcq;
struct mlx4_en_tx_ring *ring = priv->tx_ring[cq->type][cq->ring];
struct mlx4_cqe *cqe;
- u16 index;
- u16 new_index, ring_index, stamp_index;
+ u16 index, ring_index, stamp_index;
u32 txbbs_skipped = 0;
u32 txbbs_stamp = 0;
u32 cons_index = mcq->cons_index;
@@ -419,7 +406,7 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
u32 last_nr_txbb;
u32 ring_cons;
- if (!priv->port_up)
+ if (unlikely(!priv->port_up))
return true;
netdev_txq_bql_complete_prefetchw(ring->tx_queue);
@@ -434,6 +421,8 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
/* Process all completed CQEs */
while (XNOR(cqe->owner_sr_opcode & MLX4_CQE_OWNER_MASK,
cons_index & size) && (done < budget)) {
+ u16 new_index;
+
/*
* make sure we read the CQE after we read the
* ownership bit
@@ -464,8 +453,7 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
/* free next descriptor */
last_nr_txbb = ring->free_tx_desc(
priv, ring, ring_index,
- !!((ring_cons + txbbs_skipped) &
- ring->size), timestamp, napi_budget);
+ timestamp, napi_budget);
mlx4_en_stamp_wqe(priv, ring, stamp_index,
!!((ring_cons + txbbs_stamp) &
@@ -481,7 +469,6 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
cqe = mlx4_en_get_cqe(buf, index, priv->cqe_size) + factor;
}
-
/*
* To prevent CQ overflow we first update CQ consumer and only then
* the ring consumer.
@@ -494,7 +481,7 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
ACCESS_ONCE(ring->last_nr_txbb) = last_nr_txbb;
ACCESS_ONCE(ring->cons) = ring_cons + txbbs_skipped;
- if (ring->free_tx_desc == mlx4_en_recycle_tx_desc)
+ if (cq->type == TX_XDP)
return done < budget;
netdev_tx_completed_queue(ring->tx_queue, packets, bytes);
@@ -506,6 +493,7 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
netif_tx_wake_queue(ring->tx_queue);
ring->wake_queue++;
}
+
return done < budget;
}
@@ -526,7 +514,7 @@ int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget)
struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi);
struct net_device *dev = cq->dev;
struct mlx4_en_priv *priv = netdev_priv(dev);
- int clean_complete;
+ bool clean_complete;
clean_complete = mlx4_en_process_tx_cq(dev, cq, budget);
if (!clean_complete)
@@ -543,7 +531,7 @@ static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv,
u32 index,
unsigned int desc_size)
{
- u32 copy = (ring->size - index) * TXBB_SIZE;
+ u32 copy = (ring->size - index) << LOG_TXBB_SIZE;
int i;
for (i = desc_size - copy - 4; i >= 0; i -= 4) {
@@ -558,12 +546,12 @@ static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv,
if ((i & (TXBB_SIZE - 1)) == 0)
wmb();
- *((u32 *) (ring->buf + index * TXBB_SIZE + i)) =
+ *((u32 *)(ring->buf + (index << LOG_TXBB_SIZE) + i)) =
*((u32 *) (ring->bounce_buf + i));
}
/* Return real descriptor location */
- return ring->buf + index * TXBB_SIZE;
+ return ring->buf + (index << LOG_TXBB_SIZE);
}
/* Decide if skb can be inlined in tx descriptor to avoid dma mapping
@@ -703,15 +691,11 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
{
struct mlx4_en_priv *priv = netdev_priv(dev);
u16 rings_p_up = priv->num_tx_rings_p_up;
- u8 up = 0;
if (netdev_get_num_tc(dev))
return skb_tx_hash(dev, skb);
- if (skb_vlan_tag_present(skb))
- up = skb_vlan_tag_get(skb) >> VLAN_PRIO_SHIFT;
-
- return fallback(dev, skb) % rings_p_up + up * rings_p_up;
+ return fallback(dev, skb) % rings_p_up;
}
static void mlx4_bf_copy(void __iomem *dst, const void *src,
@@ -775,37 +759,101 @@ static void mlx4_en_tx_write_desc(struct mlx4_en_tx_ring *ring,
}
}
+static bool mlx4_en_build_dma_wqe(struct mlx4_en_priv *priv,
+ struct skb_shared_info *shinfo,
+ struct mlx4_wqe_data_seg *data,
+ struct sk_buff *skb,
+ int lso_header_size,
+ __be32 mr_key,
+ struct mlx4_en_tx_info *tx_info)
+{
+ struct device *ddev = priv->ddev;
+ dma_addr_t dma = 0;
+ u32 byte_count = 0;
+ int i_frag;
+
+ /* Map fragments if any */
+ for (i_frag = shinfo->nr_frags - 1; i_frag >= 0; i_frag--) {
+ const struct skb_frag_struct *frag;
+
+ frag = &shinfo->frags[i_frag];
+ byte_count = skb_frag_size(frag);
+ dma = skb_frag_dma_map(ddev, frag,
+ 0, byte_count,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(ddev, dma))
+ goto tx_drop_unmap;
+
+ data->addr = cpu_to_be64(dma);
+ data->lkey = mr_key;
+ dma_wmb();
+ data->byte_count = cpu_to_be32(byte_count);
+ --data;
+ }
+
+ /* Map linear part if needed */
+ if (tx_info->linear) {
+ byte_count = skb_headlen(skb) - lso_header_size;
+
+ dma = dma_map_single(ddev, skb->data +
+ lso_header_size, byte_count,
+ PCI_DMA_TODEVICE);
+ if (dma_mapping_error(ddev, dma))
+ goto tx_drop_unmap;
+
+ data->addr = cpu_to_be64(dma);
+ data->lkey = mr_key;
+ dma_wmb();
+ data->byte_count = cpu_to_be32(byte_count);
+ }
+ /* tx completion can avoid cache line miss for common cases */
+ tx_info->map0_dma = dma;
+ tx_info->map0_byte_count = byte_count;
+
+ return true;
+
+tx_drop_unmap:
+ en_err(priv, "DMA mapping error\n");
+
+ while (++i_frag < shinfo->nr_frags) {
+ ++data;
+ dma_unmap_page(ddev, (dma_addr_t)be64_to_cpu(data->addr),
+ be32_to_cpu(data->byte_count),
+ PCI_DMA_TODEVICE);
+ }
+
+ return false;
+}
+
netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct skb_shared_info *shinfo = skb_shinfo(skb);
struct mlx4_en_priv *priv = netdev_priv(dev);
union mlx4_wqe_qpn_vlan qpn_vlan = {};
- struct device *ddev = priv->ddev;
struct mlx4_en_tx_ring *ring;
struct mlx4_en_tx_desc *tx_desc;
struct mlx4_wqe_data_seg *data;
struct mlx4_en_tx_info *tx_info;
- int tx_ind = 0;
+ int tx_ind;
int nr_txbb;
int desc_size;
int real_size;
u32 index, bf_index;
__be32 op_own;
- u16 vlan_proto = 0;
- int i_frag;
int lso_header_size;
void *fragptr = NULL;
bool bounce = false;
bool send_doorbell;
bool stop_queue;
bool inline_ok;
+ u8 data_offset;
u32 ring_cons;
bool bf_ok;
tx_ind = skb_get_queue_mapping(skb);
ring = priv->tx_ring[TX][tx_ind];
- if (!priv->port_up)
+ if (unlikely(!priv->port_up))
goto tx_drop;
/* fetch ring->cons far ahead before needing it to avoid stall */
@@ -818,7 +866,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
/* Align descriptor to TXBB size */
desc_size = ALIGN(real_size, TXBB_SIZE);
- nr_txbb = desc_size / TXBB_SIZE;
+ nr_txbb = desc_size >> LOG_TXBB_SIZE;
if (unlikely(nr_txbb > MAX_DESC_TXBBS)) {
if (netif_msg_tx_err(priv))
en_warn(priv, "Oversized header or SG list\n");
@@ -827,6 +875,8 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
bf_ok = ring->bf_enabled;
if (skb_vlan_tag_present(skb)) {
+ u16 vlan_proto;
+
qpn_vlan.vlan_tag = cpu_to_be16(skb_vlan_tag_get(skb));
vlan_proto = be16_to_cpu(skb->vlan_proto);
if (vlan_proto == ETH_P_8021AD)
@@ -851,7 +901,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
/* See if we have enough space for whole descriptor TXBB for setting
* SW ownership on next descriptor; if not, use a bounce buffer. */
if (likely(index + nr_txbb <= ring->size))
- tx_desc = ring->buf + index * TXBB_SIZE;
+ tx_desc = ring->buf + (index << LOG_TXBB_SIZE);
else {
tx_desc = (struct mlx4_en_tx_desc *) ring->bounce_buf;
bounce = true;
@@ -863,64 +913,31 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
tx_info->skb = skb;
tx_info->nr_txbb = nr_txbb;
- data = &tx_desc->data;
- if (lso_header_size)
- data = ((void *)&tx_desc->lso + ALIGN(lso_header_size + 4,
- DS_SIZE));
+ if (!lso_header_size) {
+ data = &tx_desc->data;
+ data_offset = offsetof(struct mlx4_en_tx_desc, data);
+ } else {
+ int lso_align = ALIGN(lso_header_size + 4, DS_SIZE);
+
+ data = (void *)&tx_desc->lso + lso_align;
+ data_offset = offsetof(struct mlx4_en_tx_desc, lso) + lso_align;
+ }
/* valid only for none inline segments */
- tx_info->data_offset = (void *)data - (void *)tx_desc;
+ tx_info->data_offset = data_offset;
tx_info->inl = inline_ok;
- tx_info->linear = (lso_header_size < skb_headlen(skb) &&
- !inline_ok) ? 1 : 0;
+ tx_info->linear = lso_header_size < skb_headlen(skb) && !inline_ok;
tx_info->nr_maps = shinfo->nr_frags + tx_info->linear;
data += tx_info->nr_maps - 1;
- if (!tx_info->inl) {
- dma_addr_t dma = 0;
- u32 byte_count = 0;
-
- /* Map fragments if any */
- for (i_frag = shinfo->nr_frags - 1; i_frag >= 0; i_frag--) {
- const struct skb_frag_struct *frag;
-
- frag = &shinfo->frags[i_frag];
- byte_count = skb_frag_size(frag);
- dma = skb_frag_dma_map(ddev, frag,
- 0, byte_count,
- DMA_TO_DEVICE);
- if (dma_mapping_error(ddev, dma))
- goto tx_drop_unmap;
-
- data->addr = cpu_to_be64(dma);
- data->lkey = ring->mr_key;
- dma_wmb();
- data->byte_count = cpu_to_be32(byte_count);
- --data;
- }
-
- /* Map linear part if needed */
- if (tx_info->linear) {
- byte_count = skb_headlen(skb) - lso_header_size;
-
- dma = dma_map_single(ddev, skb->data +
- lso_header_size, byte_count,
- PCI_DMA_TODEVICE);
- if (dma_mapping_error(ddev, dma))
- goto tx_drop_unmap;
-
- data->addr = cpu_to_be64(dma);
- data->lkey = ring->mr_key;
- dma_wmb();
- data->byte_count = cpu_to_be32(byte_count);
- }
- /* tx completion can avoid cache line miss for common cases */
- tx_info->map0_dma = dma;
- tx_info->map0_byte_count = byte_count;
- }
+ if (!tx_info->inl)
+ if (!mlx4_en_build_dma_wqe(priv, shinfo, data, skb,
+ lso_header_size, ring->mr_key,
+ tx_info))
+ goto tx_drop_count;
/*
* For timestamping add flag to skb_shinfo and
@@ -1056,16 +1073,6 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
}
return NETDEV_TX_OK;
-tx_drop_unmap:
- en_err(priv, "DMA mapping error\n");
-
- while (++i_frag < shinfo->nr_frags) {
- ++data;
- dma_unmap_page(ddev, (dma_addr_t) be64_to_cpu(data->addr),
- be32_to_cpu(data->byte_count),
- PCI_DMA_TODEVICE);
- }
-
tx_drop_count:
ring->tx_dropped++;
tx_drop:
@@ -1073,52 +1080,41 @@ tx_drop:
return NETDEV_TX_OK;
}
+#define MLX4_EN_XDP_TX_NRTXBB 1
+#define MLX4_EN_XDP_TX_REAL_SZ (((CTRL_SIZE + MLX4_EN_XDP_TX_NRTXBB * DS_SIZE) \
+ / 16) & 0x3f)
+
netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_ring *rx_ring,
struct mlx4_en_rx_alloc *frame,
struct net_device *dev, unsigned int length,
- int tx_ind, int *doorbell_pending)
+ int tx_ind, bool *doorbell_pending)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
union mlx4_wqe_qpn_vlan qpn_vlan = {};
- struct mlx4_en_tx_ring *ring;
struct mlx4_en_tx_desc *tx_desc;
- struct mlx4_wqe_data_seg *data;
struct mlx4_en_tx_info *tx_info;
- int index, bf_index;
- bool send_doorbell;
- int nr_txbb = 1;
- bool stop_queue;
+ struct mlx4_wqe_data_seg *data;
+ struct mlx4_en_tx_ring *ring;
dma_addr_t dma;
- int real_size;
__be32 op_own;
- u32 ring_cons;
- bool bf_ok;
+ int index;
- BUILD_BUG_ON_MSG(ALIGN(CTRL_SIZE + DS_SIZE, TXBB_SIZE) != TXBB_SIZE,
- "mlx4_en_xmit_frame requires minimum size tx desc");
+ if (unlikely(!priv->port_up))
+ goto tx_drop;
ring = priv->tx_ring[TX_XDP][tx_ind];
- if (!priv->port_up)
- goto tx_drop;
-
- if (mlx4_en_is_tx_ring_full(ring))
+ if (unlikely(mlx4_en_is_tx_ring_full(ring)))
goto tx_drop_count;
- /* fetch ring->cons far ahead before needing it to avoid stall */
- ring_cons = READ_ONCE(ring->cons);
-
index = ring->prod & ring->size_mask;
tx_info = &ring->tx_info[index];
- bf_ok = ring->bf_enabled;
-
/* Track current inflight packets for performance analysis */
AVG_PERF_COUNTER(priv->pstats.inflight_avg,
- (u32)(ring->prod - ring_cons - 1));
+ (u32)(ring->prod - READ_ONCE(ring->cons) - 1));
- bf_index = ring->prod;
- tx_desc = ring->buf + index * TXBB_SIZE;
+ tx_desc = ring->buf + (index << LOG_TXBB_SIZE);
data = &tx_desc->data;
dma = frame->dma;
@@ -1127,9 +1123,9 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_ring *rx_ring,
frame->page = NULL;
tx_info->map0_dma = dma;
tx_info->map0_byte_count = PAGE_SIZE;
- tx_info->nr_txbb = nr_txbb;
+ tx_info->nr_txbb = MLX4_EN_XDP_TX_NRTXBB;
tx_info->nr_bytes = max_t(unsigned int, length, ETH_ZLEN);
- tx_info->data_offset = (void *)data - (void *)tx_desc;
+ tx_info->data_offset = offsetof(struct mlx4_en_tx_desc, data);
tx_info->ts_requested = 0;
tx_info->nr_maps = 1;
tx_info->linear = 1;
@@ -1153,28 +1149,19 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_ring *rx_ring,
rx_ring->xdp_tx++;
AVG_PERF_COUNTER(priv->pstats.tx_pktsz_avg, length);
- ring->prod += nr_txbb;
-
- stop_queue = mlx4_en_is_tx_ring_full(ring);
- send_doorbell = stop_queue ||
- *doorbell_pending > MLX4_EN_DOORBELL_BUDGET;
- bf_ok &= send_doorbell;
+ ring->prod += MLX4_EN_XDP_TX_NRTXBB;
- real_size = ((CTRL_SIZE + nr_txbb * DS_SIZE) / 16) & 0x3f;
+ qpn_vlan.fence_size = MLX4_EN_XDP_TX_REAL_SZ;
- if (bf_ok)
- qpn_vlan.bf_qpn = ring->doorbell_qpn | cpu_to_be32(real_size);
- else
- qpn_vlan.fence_size = real_size;
-
- mlx4_en_tx_write_desc(ring, tx_desc, qpn_vlan, TXBB_SIZE, bf_index,
- op_own, bf_ok, send_doorbell);
- *doorbell_pending = send_doorbell ? 0 : *doorbell_pending + 1;
+ mlx4_en_tx_write_desc(ring, tx_desc, qpn_vlan, TXBB_SIZE, 0,
+ op_own, false, false);
+ *doorbell_pending = true;
return NETDEV_TX_OK;
tx_drop_count:
rx_ring->xdp_tx_full++;
+ *doorbell_pending = true;
tx_drop:
return NETDEV_TX_BUSY;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 703205475524..a27c9c13a36e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -91,7 +91,7 @@ module_param_array(probe_vf, byte, &probe_vfs_argc, 0444);
MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)\n"
"probe_vf=port1,port2,port1+2");
-int mlx4_log_num_mgm_entry_size = MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE;
+static int mlx4_log_num_mgm_entry_size = MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE;
module_param_named(log_num_mgm_entry_size,
mlx4_log_num_mgm_entry_size, int, 0444);
MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num"
@@ -119,7 +119,7 @@ MODULE_PARM_DESC(enable_4k_uar,
static char mlx4_version[] =
DRV_NAME ": Mellanox ConnectX core driver v"
- DRV_VERSION " (" DRV_RELDATE ")\n";
+ DRV_VERSION "\n";
static struct mlx4_profile default_profile = {
.num_qp = 1 << 18,
@@ -2356,8 +2356,8 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
MLX4_A0_STEERING_TABLE_SIZE;
}
- mlx4_dbg(dev, "DMFS high rate steer mode is: %s\n",
- dmfs_high_rate_steering_mode_str(
+ mlx4_info(dev, "DMFS high rate steer mode is: %s\n",
+ dmfs_high_rate_steering_mode_str(
dev->caps.dmfs_high_steer_mode));
}
} else {
@@ -2862,12 +2862,10 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
int port = 0;
if (msi_x) {
- int nreq = dev->caps.num_ports * num_online_cpus() + 1;
-
- nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
- nreq);
- if (nreq > MAX_MSIX)
- nreq = MAX_MSIX;
+ int nreq = min3(dev->caps.num_ports *
+ (int)num_online_cpus() + 1,
+ dev->caps.num_eqs - dev->caps.reserved_eqs,
+ MAX_MSIX);
entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
if (!entries)
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index 1a670b681555..0710b3677464 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -35,6 +35,7 @@
#include <linux/etherdevice.h>
#include <linux/mlx4/cmd.h>
+#include <linux/mlx4/qp.h>
#include <linux/export.h>
#include "mlx4.h"
@@ -985,16 +986,21 @@ int mlx4_flow_attach(struct mlx4_dev *dev,
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
+ if (!mlx4_qp_lookup(dev, rule->qpn)) {
+ mlx4_err_rule(dev, "QP doesn't exist\n", rule);
+ ret = -EINVAL;
+ goto out;
+ }
+
trans_rule_ctrl_to_hw(rule, mailbox->buf);
size += sizeof(struct mlx4_net_trans_rule_hw_ctrl);
list_for_each_entry(cur, &rule->list, list) {
ret = parse_trans_rule(dev, cur, mailbox->buf + size);
- if (ret < 0) {
- mlx4_free_cmd_mailbox(dev, mailbox);
- return ret;
- }
+ if (ret < 0)
+ goto out;
+
size += ret;
}
@@ -1021,6 +1027,7 @@ int mlx4_flow_attach(struct mlx4_dev *dev,
}
}
+out:
mlx4_free_cmd_mailbox(dev, mailbox);
return ret;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index b4f1bc56cc68..30616cd0140d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -56,8 +56,7 @@
#define DRV_NAME "mlx4_core"
#define PFX DRV_NAME ": "
-#define DRV_VERSION "2.2-1"
-#define DRV_RELDATE "Feb, 2014"
+#define DRV_VERSION "4.0-0"
#define MLX4_FS_UDP_UC_EN (1 << 1)
#define MLX4_FS_TCP_UC_EN (1 << 2)
@@ -231,7 +230,6 @@ do { \
#define mlx4_warn(mdev, format, ...) \
dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
-extern int mlx4_log_num_mgm_entry_size;
extern int log_mtts_per_seg;
extern int mlx4_internal_err_reset;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 39f401aa3047..d350b2158104 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -58,8 +58,7 @@
#include "mlx4_stats.h"
#define DRV_NAME "mlx4_en"
-#define DRV_VERSION "2.2-1"
-#define DRV_RELDATE "Feb 2014"
+#define DRV_VERSION "4.0-0"
#define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
@@ -73,7 +72,8 @@
#define DEF_RX_RINGS 16
#define MAX_RX_RINGS 128
#define MIN_RX_RINGS 4
-#define TXBB_SIZE 64
+#define LOG_TXBB_SIZE 6
+#define TXBB_SIZE BIT(LOG_TXBB_SIZE)
#define HEADROOM (2048 / TXBB_SIZE + 1)
#define STAMP_STRIDE 64
#define STAMP_DWORDS (STAMP_STRIDE / 4)
@@ -115,14 +115,14 @@
#define MLX4_EN_SMALL_PKT_SIZE 64
#define MLX4_EN_MIN_TX_RING_P_UP 1
#define MLX4_EN_MAX_TX_RING_P_UP 32
-#define MLX4_EN_NUM_UP 8
-#define MLX4_EN_DEF_TX_RING_SIZE 512
+#define MLX4_EN_NUM_UP_LOW 1
+#define MLX4_EN_NUM_UP_HIGH 8
#define MLX4_EN_DEF_RX_RING_SIZE 1024
+#define MLX4_EN_DEF_TX_RING_SIZE MLX4_EN_DEF_RX_RING_SIZE
#define MAX_TX_RINGS (MLX4_EN_MAX_TX_RING_P_UP * \
- MLX4_EN_NUM_UP)
+ MLX4_EN_NUM_UP_HIGH)
#define MLX4_EN_DEFAULT_TX_WORK 256
-#define MLX4_EN_DOORBELL_BUDGET 8
/* Target number of packets to coalesce with interrupt moderation */
#define MLX4_EN_RX_COAL_TARGET 44
@@ -277,7 +277,7 @@ struct mlx4_en_tx_ring {
struct netdev_queue *tx_queue;
u32 (*free_tx_desc)(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
- int index, u8 owner,
+ int index,
u64 timestamp, int napi_mode);
struct mlx4_en_rx_ring *recycle_ring;
@@ -360,7 +360,10 @@ struct mlx4_en_cq {
struct mlx4_hwq_resources wqres;
int ring;
struct net_device *dev;
- struct napi_struct napi;
+ union {
+ struct napi_struct napi;
+ bool xdp_busy;
+ };
int size;
int buf_size;
int vector;
@@ -384,6 +387,7 @@ struct mlx4_en_port_profile {
u8 rx_ppp;
u8 tx_pause;
u8 tx_ppp;
+ u8 num_up;
int rss_rings;
int inline_thold;
struct hwtstamp_config hwtstamp_config;
@@ -432,7 +436,7 @@ struct mlx4_en_rss_map {
int base_qpn;
struct mlx4_qp qps[MAX_RX_RINGS];
enum mlx4_qp_state state[MAX_RX_RINGS];
- struct mlx4_qp indir_qp;
+ struct mlx4_qp *indir_qp;
enum mlx4_qp_state indir_state;
};
@@ -483,7 +487,7 @@ enum dcb_pfc_type {
struct mlx4_en_cee_config {
bool pfc_state;
- enum dcb_pfc_type dcb_pfc[MLX4_EN_NUM_UP];
+ enum dcb_pfc_type dcb_pfc[MLX4_EN_NUM_UP_HIGH];
};
#endif
@@ -690,7 +694,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_ring *rx_ring,
struct mlx4_en_rx_alloc *frame,
struct net_device *dev, unsigned int length,
- int tx_ind, int *doorbell_pending);
+ int tx_ind, bool *doorbell_pending);
void mlx4_en_xmit_doorbell(struct mlx4_en_tx_ring *ring);
bool mlx4_en_rx_recycle(struct mlx4_en_rx_ring *ring,
struct mlx4_en_rx_alloc *frame);
@@ -722,13 +726,15 @@ int mlx4_en_process_rx_cq(struct net_device *dev,
int budget);
int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget);
+bool mlx4_en_process_tx_cq(struct net_device *dev,
+ struct mlx4_en_cq *cq, int napi_budget);
u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
- int index, u8 owner, u64 timestamp,
+ int index, u64 timestamp,
int napi_mode);
u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
- int index, u8 owner, u64 timestamp,
+ int index, u64 timestamp,
int napi_mode);
void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
int is_tx, int rss, int qpn, int cqn, int user_prio,
@@ -757,6 +763,7 @@ extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_pfc_ops;
#endif
int mlx4_en_setup_tc(struct net_device *dev, u8 up);
+int mlx4_en_alloc_tx_queue_per_tc(struct net_device *dev, u8 tc);
#ifdef CONFIG_RFS_ACCEL
void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv);
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 2d6abd4662b1..5a310d313e94 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -384,6 +384,19 @@ static void mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn)
__mlx4_qp_free_icm(dev, qpn);
}
+struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn)
+{
+ struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
+ struct mlx4_qp *qp;
+
+ spin_lock(&qp_table->lock);
+
+ qp = __mlx4_qp_lookup(dev, qpn);
+
+ spin_unlock(&qp_table->lock);
+ return qp;
+}
+
int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp, gfp_t gfp)
{
struct mlx4_priv *priv = mlx4_priv(dev);
@@ -471,6 +484,12 @@ int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn,
}
if (attr & MLX4_UPDATE_QP_QOS_VPORT) {
+ if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_QOS_VPP)) {
+ mlx4_warn(dev, "Granular QoS per VF is not enabled\n");
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
qp_mask |= 1ULL << MLX4_UPD_QP_MASK_QOS_VPP;
cmd->qp_context.qos_vport = params->qos_vport;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 07516545474f..812783865205 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -5255,6 +5255,13 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)
mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
}
+static void update_qos_vpp(struct mlx4_update_qp_context *ctx,
+ struct mlx4_vf_immed_vlan_work *work)
+{
+ ctx->qp_mask |= cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_QOS_VPP);
+ ctx->qp_context.qos_vport = work->qos_vport;
+}
+
void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work)
{
struct mlx4_vf_immed_vlan_work *work =
@@ -5369,11 +5376,10 @@ void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work)
qp->sched_queue & 0xC7;
upd_context->qp_context.pri_path.sched_queue |=
((work->qos & 0x7) << 3);
- upd_context->qp_mask |=
- cpu_to_be64(1ULL <<
- MLX4_UPD_QP_MASK_QOS_VPP);
- upd_context->qp_context.qos_vport =
- work->qos_vport;
+
+ if (dev->caps.flags2 &
+ MLX4_DEV_CAP_FLAG2_QOS_VPP)
+ update_qos_vpp(upd_context, work);
}
err = mlx4_cmd(dev, mailbox->dma,
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