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path: root/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c43
1 files changed, 37 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 1243edbedc9e..b70cb6fd164c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -128,6 +128,8 @@ static bool mlx5e_rx_is_linear_skb(struct mlx5_core_dev *mdev,
return !params->lro_en && frag_sz <= PAGE_SIZE;
}
+#define MLX5_MAX_MPWQE_LOG_WQE_STRIDE_SZ ((BIT(__mlx5_bit_sz(wq, log_wqe_stride_size)) - 1) + \
+ MLX5_MPWQE_LOG_STRIDE_SZ_BASE)
static bool mlx5e_rx_mpwqe_is_linear_skb(struct mlx5_core_dev *mdev,
struct mlx5e_params *params)
{
@@ -138,6 +140,9 @@ static bool mlx5e_rx_mpwqe_is_linear_skb(struct mlx5_core_dev *mdev,
if (!mlx5e_rx_is_linear_skb(mdev, params))
return false;
+ if (order_base_2(frag_sz) > MLX5_MAX_MPWQE_LOG_WQE_STRIDE_SZ)
+ return false;
+
if (MLX5_CAP_GEN(mdev, ext_stride_num_range))
return true;
@@ -502,6 +507,7 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
rq->channel = c;
rq->ix = c->ix;
rq->mdev = mdev;
+ rq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu);
rq->stats = &c->priv->channel_stats[c->ix].rq;
rq->xdp_prog = params->xdp_prog ? bpf_prog_inc(params->xdp_prog) : NULL;
@@ -1395,6 +1401,7 @@ static void mlx5e_close_txqsq(struct mlx5e_txqsq *sq)
struct mlx5_core_dev *mdev = c->mdev;
struct mlx5_rate_limit rl = {0};
+ cancel_work_sync(&sq->dim.work);
mlx5e_destroy_sq(mdev, sq->sqn);
if (sq->rate_limit) {
rl.rate = sq->rate_limit;
@@ -1623,13 +1630,15 @@ static int mlx5e_alloc_cq_common(struct mlx5_core_dev *mdev,
int err;
u32 i;
+ err = mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn);
+ if (err)
+ return err;
+
err = mlx5_cqwq_create(mdev, &param->wq, param->cqc, &cq->wq,
&cq->wq_ctrl);
if (err)
return err;
- mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn);
-
mcq->cqe_sz = 64;
mcq->set_ci_db = cq->wq_ctrl.db.db;
mcq->arm_db = cq->wq_ctrl.db.db + 1;
@@ -1687,6 +1696,10 @@ static int mlx5e_create_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param)
int eqn;
int err;
+ err = mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used);
+ if (err)
+ return err;
+
inlen = MLX5_ST_SZ_BYTES(create_cq_in) +
sizeof(u64) * cq->wq_ctrl.buf.npages;
in = kvzalloc(inlen, GFP_KERNEL);
@@ -1700,8 +1713,6 @@ static int mlx5e_create_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param)
mlx5_fill_page_frag_array(&cq->wq_ctrl.buf,
(__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas));
- mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used);
-
MLX5_SET(cqc, cqc, cq_period_mode, param->cq_period_mode);
MLX5_SET(cqc, cqc, c_eqn, eqn);
MLX5_SET(cqc, cqc, uar_page, mdev->priv.uar->index);
@@ -1921,6 +1932,10 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
int err;
int eqn;
+ err = mlx5_vector2eqn(priv->mdev, ix, &eqn, &irq);
+ if (err)
+ return err;
+
c = kvzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu));
if (!c)
return -ENOMEM;
@@ -1937,7 +1952,6 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
c->xdp = !!params->xdp_prog;
c->stats = &priv->channel_stats[ix].ch;
- mlx5_vector2eqn(priv->mdev, ix, &eqn, &irq);
c->irq_desc = irq_to_desc(irq);
netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64);
@@ -3574,6 +3588,7 @@ static int set_feature_cvlan_filter(struct net_device *netdev, bool enable)
return 0;
}
+#ifdef CONFIG_MLX5_ESWITCH
static int set_feature_tc_num_filters(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
@@ -3586,6 +3601,7 @@ static int set_feature_tc_num_filters(struct net_device *netdev, bool enable)
return 0;
}
+#endif
static int set_feature_rx_all(struct net_device *netdev, bool enable)
{
@@ -3684,7 +3700,9 @@ static int mlx5e_set_features(struct net_device *netdev,
err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER,
set_feature_cvlan_filter);
+#ifdef CONFIG_MLX5_ESWITCH
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_tc_num_filters);
+#endif
err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXALL, set_feature_rx_all);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXFCS, set_feature_rx_fcs);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_RX, set_feature_rx_vlan);
@@ -3755,10 +3773,11 @@ int mlx5e_change_mtu(struct net_device *netdev, int new_mtu,
}
if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
+ bool is_linear = mlx5e_rx_mpwqe_is_linear_skb(priv->mdev, &new_channels.params);
u8 ppw_old = mlx5e_mpwqe_log_pkts_per_wqe(params);
u8 ppw_new = mlx5e_mpwqe_log_pkts_per_wqe(&new_channels.params);
- reset = reset && (ppw_old != ppw_new);
+ reset = reset && (is_linear || (ppw_old != ppw_new));
}
if (!reset) {
@@ -4678,7 +4697,9 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
FT_CAP(modify_root) &&
FT_CAP(identified_miss_table_mode) &&
FT_CAP(flow_table_modify)) {
+#ifdef CONFIG_MLX5_ESWITCH
netdev->hw_features |= NETIF_F_HW_TC;
+#endif
#ifdef CONFIG_MLX5_EN_ARFS
netdev->hw_features |= NETIF_F_NTUPLE;
#endif
@@ -5004,11 +5025,21 @@ err_free_netdev:
int mlx5e_attach_netdev(struct mlx5e_priv *priv)
{
const struct mlx5e_profile *profile;
+ int max_nch;
int err;
profile = priv->profile;
clear_bit(MLX5E_STATE_DESTROYING, &priv->state);
+ /* max number of channels may have changed */
+ max_nch = mlx5e_get_max_num_channels(priv->mdev);
+ if (priv->channels.params.num_channels > max_nch) {
+ mlx5_core_warn(priv->mdev, "MLX5E: Reducing number of channels to %d\n", max_nch);
+ priv->channels.params.num_channels = max_nch;
+ mlx5e_build_default_indir_rqt(priv->channels.params.indirection_rqt,
+ MLX5E_INDIR_RQT_SIZE, max_nch);
+ }
+
err = profile->init_tx(priv);
if (err)
goto out;