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path: root/drivers/net/ethernet/mellanox/mlx4/en_tx.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_tx.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_tx.c74
1 files changed, 38 insertions, 36 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index e2509bba3e7c..5886ad78058f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -66,7 +66,7 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
ring->size = size;
ring->size_mask = size - 1;
- ring->stride = stride;
+ ring->sp_stride = stride;
ring->full_size = ring->size - HEADROOM - MAX_DESC_TXBBS;
tmp = size * sizeof(struct mlx4_en_tx_info);
@@ -90,22 +90,22 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
goto err_info;
}
}
- ring->buf_size = ALIGN(size * ring->stride, MLX4_EN_PAGE_SIZE);
+ ring->buf_size = ALIGN(size * ring->sp_stride, MLX4_EN_PAGE_SIZE);
/* Allocate HW buffers on provided NUMA node */
set_dev_node(&mdev->dev->persist->pdev->dev, node);
- err = mlx4_alloc_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
+ err = mlx4_alloc_hwq_res(mdev->dev, &ring->sp_wqres, ring->buf_size);
set_dev_node(&mdev->dev->persist->pdev->dev, mdev->dev->numa_node);
if (err) {
en_err(priv, "Failed allocating hwq resources\n");
goto err_bounce;
}
- ring->buf = ring->wqres.buf.direct.buf;
+ ring->buf = ring->sp_wqres.buf.direct.buf;
en_dbg(DRV, priv, "Allocated TX ring (addr:%p) - buf:%p size:%d buf_size:%d dma:%llx\n",
ring, ring->buf, ring->size, ring->buf_size,
- (unsigned long long) ring->wqres.buf.direct.map);
+ (unsigned long long) ring->sp_wqres.buf.direct.map);
err = mlx4_qp_reserve_range(mdev->dev, 1, 1, &ring->qpn,
MLX4_RESERVE_ETH_BF_QP);
@@ -114,12 +114,12 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
goto err_hwq_res;
}
- err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->qp, GFP_KERNEL);
+ err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->sp_qp, GFP_KERNEL);
if (err) {
en_err(priv, "Failed allocating qp %d\n", ring->qpn);
goto err_reserve;
}
- ring->qp.event = mlx4_en_sqp_event;
+ ring->sp_qp.event = mlx4_en_sqp_event;
err = mlx4_bf_alloc(mdev->dev, &ring->bf, node);
if (err) {
@@ -141,7 +141,7 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
if (queue_index < priv->num_tx_rings_p_up)
cpumask_set_cpu(cpumask_local_spread(queue_index,
priv->mdev->dev->numa_node),
- &ring->affinity_mask);
+ &ring->sp_affinity_mask);
*pring = ring;
return 0;
@@ -149,7 +149,7 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
err_reserve:
mlx4_qp_release_range(mdev->dev, ring->qpn, 1);
err_hwq_res:
- mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
+ mlx4_free_hwq_res(mdev->dev, &ring->sp_wqres, ring->buf_size);
err_bounce:
kfree(ring->bounce_buf);
ring->bounce_buf = NULL;
@@ -171,10 +171,10 @@ void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv,
if (ring->bf_alloced)
mlx4_bf_free(mdev->dev, &ring->bf);
- mlx4_qp_remove(mdev->dev, &ring->qp);
- mlx4_qp_free(mdev->dev, &ring->qp);
+ mlx4_qp_remove(mdev->dev, &ring->sp_qp);
+ mlx4_qp_free(mdev->dev, &ring->sp_qp);
mlx4_qp_release_range(priv->mdev->dev, ring->qpn, 1);
- mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
+ mlx4_free_hwq_res(mdev->dev, &ring->sp_wqres, ring->buf_size);
kfree(ring->bounce_buf);
ring->bounce_buf = NULL;
kvfree(ring->tx_info);
@@ -190,7 +190,7 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_dev *mdev = priv->mdev;
int err;
- ring->cqn = cq;
+ ring->sp_cqn = cq;
ring->prod = 0;
ring->cons = 0xffffffff;
ring->last_nr_txbb = 1;
@@ -198,21 +198,21 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
memset(ring->buf, 0, ring->buf_size);
ring->free_tx_desc = mlx4_en_free_tx_desc;
- ring->qp_state = MLX4_QP_STATE_RST;
- ring->doorbell_qpn = cpu_to_be32(ring->qp.qpn << 8);
+ ring->sp_qp_state = MLX4_QP_STATE_RST;
+ ring->doorbell_qpn = cpu_to_be32(ring->sp_qp.qpn << 8);
ring->mr_key = cpu_to_be32(mdev->mr.key);
- mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 1, 0, ring->qpn,
- ring->cqn, user_prio, &ring->context);
+ mlx4_en_fill_qp_context(priv, ring->size, ring->sp_stride, 1, 0, ring->qpn,
+ ring->sp_cqn, user_prio, &ring->sp_context);
if (ring->bf_alloced)
- ring->context.usr_page =
+ ring->sp_context.usr_page =
cpu_to_be32(mlx4_to_hw_uar_index(mdev->dev,
ring->bf.uar->index));
- err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, &ring->context,
- &ring->qp, &ring->qp_state);
- if (!cpumask_empty(&ring->affinity_mask))
- netif_set_xps_queue(priv->dev, &ring->affinity_mask,
+ err = mlx4_qp_to_ready(mdev->dev, &ring->sp_wqres.mtt, &ring->sp_context,
+ &ring->sp_qp, &ring->sp_qp_state);
+ if (!cpumask_empty(&ring->sp_affinity_mask))
+ netif_set_xps_queue(priv->dev, &ring->sp_affinity_mask,
ring->queue_index);
return err;
@@ -223,8 +223,8 @@ void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
{
struct mlx4_en_dev *mdev = priv->mdev;
- mlx4_qp_modify(mdev->dev, NULL, ring->qp_state,
- MLX4_QP_STATE_RST, NULL, 0, 0, &ring->qp);
+ mlx4_qp_modify(mdev->dev, NULL, ring->sp_qp_state,
+ MLX4_QP_STATE_RST, NULL, 0, 0, &ring->sp_qp);
}
static inline bool mlx4_en_is_tx_ring_full(struct mlx4_en_tx_ring *ring)
@@ -354,7 +354,7 @@ u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_rx_alloc frame = {
.page = tx_info->page,
.dma = tx_info->map0_dma,
- .page_offset = 0,
+ .page_offset = XDP_PACKET_HEADROOM,
.page_size = PAGE_SIZE,
};
@@ -392,7 +392,8 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring)
cnt++;
}
- netdev_tx_reset_queue(ring->tx_queue);
+ if (ring->tx_queue)
+ netdev_tx_reset_queue(ring->tx_queue);
if (cnt)
en_dbg(DRV, priv, "Freed %d uncompleted tx descriptors\n", cnt);
@@ -405,7 +406,7 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev,
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_cq *mcq = &cq->mcq;
- struct mlx4_en_tx_ring *ring = priv->tx_ring[cq->ring];
+ 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;
@@ -807,7 +808,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
bool bf_ok;
tx_ind = skb_get_queue_mapping(skb);
- ring = priv->tx_ring[tx_ind];
+ ring = priv->tx_ring[TX][tx_ind];
if (!priv->port_up)
goto tx_drop;
@@ -1078,7 +1079,8 @@ tx_drop:
return NETDEV_TX_OK;
}
-netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
+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)
{
@@ -1101,7 +1103,7 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
BUILD_BUG_ON_MSG(ALIGN(CTRL_SIZE + DS_SIZE, TXBB_SIZE) != TXBB_SIZE,
"mlx4_en_xmit_frame requires minimum size tx desc");
- ring = priv->tx_ring[tx_ind];
+ ring = priv->tx_ring[TX_XDP][tx_ind];
if (!priv->port_up)
goto tx_drop;
@@ -1130,7 +1132,7 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
tx_info->page = frame->page;
frame->page = NULL;
tx_info->map0_dma = dma;
- tx_info->map0_byte_count = length;
+ tx_info->map0_byte_count = PAGE_SIZE;
tx_info->nr_txbb = nr_txbb;
tx_info->nr_bytes = max_t(unsigned int, length, ETH_ZLEN);
tx_info->data_offset = (void *)data - (void *)tx_desc;
@@ -1139,9 +1141,10 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
tx_info->linear = 1;
tx_info->inl = 0;
- dma_sync_single_for_device(priv->ddev, dma, length, PCI_DMA_TODEVICE);
+ dma_sync_single_range_for_device(priv->ddev, dma, frame->page_offset,
+ length, PCI_DMA_TODEVICE);
- data->addr = cpu_to_be64(dma);
+ data->addr = cpu_to_be64(dma + frame->page_offset);
data->lkey = ring->mr_key;
dma_wmb();
data->byte_count = cpu_to_be32(length);
@@ -1153,8 +1156,7 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
((ring->prod & ring->size) ?
cpu_to_be32(MLX4_EN_BIT_DESC_OWN) : 0);
- ring->packets++;
- ring->bytes += tx_info->nr_bytes;
+ rx_ring->xdp_tx++;
AVG_PERF_COUNTER(priv->pstats.tx_pktsz_avg, length);
ring->prod += nr_txbb;
@@ -1178,7 +1180,7 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame,
return NETDEV_TX_OK;
tx_drop_count:
- ring->tx_dropped++;
+ rx_ring->xdp_tx_full++;
tx_drop:
return NETDEV_TX_BUSY;
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-20 09:53:31 +0300