aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c6
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_xsk.c34
-rw-r--r--drivers/net/ethernet/intel/ice/ice_base.c6
-rw-r--r--drivers/net/ethernet/intel/ice/ice_xsk.c28
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c6
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c32
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c12
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c10
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c4
-rw-r--r--include/net/xdp_sock.h1
-rw-r--r--include/net/xdp_sock_drv.h114
-rw-r--r--net/ethtool/channels.c2
-rw-r--r--net/ethtool/ioctl.c2
-rw-r--r--net/xdp/xdp_umem.c24
-rw-r--r--net/xdp/xsk.c45
19 files changed, 179 insertions, 167 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index cbf2a4454499..05c6d3ea11e6 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -3138,7 +3138,7 @@ static struct xsk_buff_pool *i40e_xsk_pool(struct i40e_ring *ring)
if (!xdp_on || !test_bit(qid, ring->vsi->af_xdp_zc_qps))
return NULL;
- return xdp_get_xsk_pool_from_qid(ring->vsi->netdev, qid);
+ return xsk_get_pool_from_qid(ring->vsi->netdev, qid);
}
/**
@@ -3286,7 +3286,7 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
if (ret)
return ret;
ring->rx_buf_len =
- xsk_umem_get_rx_frame_size(ring->xsk_pool->umem);
+ xsk_pool_get_rx_frame_size(ring->xsk_pool);
/* For AF_XDP ZC, we disallow packets to span on
* multiple buffers, thus letting us skip that
* handling in the fast-path.
@@ -3370,7 +3370,7 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
writel(0, ring->tail);
if (ring->xsk_pool) {
- xsk_buff_set_rxq_info(ring->xsk_pool->umem, &ring->xdp_rxq);
+ xsk_pool_set_rxq_info(ring->xsk_pool, &ring->xdp_rxq);
ok = i40e_alloc_rx_buffers_zc(ring, I40E_DESC_UNUSED(ring));
} else {
ok = !i40e_alloc_rx_buffers(ring, I40E_DESC_UNUSED(ring));
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 00e9fe6394f2..95b9a7e280fa 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -55,8 +55,7 @@ static int i40e_xsk_pool_enable(struct i40e_vsi *vsi,
qid >= netdev->real_num_tx_queues)
return -EINVAL;
- err = xsk_buff_dma_map(pool->umem, &vsi->back->pdev->dev,
- I40E_RX_DMA_ATTR);
+ err = xsk_pool_dma_map(pool, &vsi->back->pdev->dev, I40E_RX_DMA_ATTR);
if (err)
return err;
@@ -97,7 +96,7 @@ static int i40e_xsk_pool_disable(struct i40e_vsi *vsi, u16 qid)
bool if_running;
int err;
- pool = xdp_get_xsk_pool_from_qid(netdev, qid);
+ pool = xsk_get_pool_from_qid(netdev, qid);
if (!pool)
return -EINVAL;
@@ -110,7 +109,7 @@ static int i40e_xsk_pool_disable(struct i40e_vsi *vsi, u16 qid)
}
clear_bit(qid, vsi->af_xdp_zc_qps);
- xsk_buff_dma_unmap(pool->umem, I40E_RX_DMA_ATTR);
+ xsk_pool_dma_unmap(pool, I40E_RX_DMA_ATTR);
if (if_running) {
err = i40e_queue_pair_enable(vsi, qid);
@@ -196,7 +195,7 @@ bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)
rx_desc = I40E_RX_DESC(rx_ring, ntu);
bi = i40e_rx_bi(rx_ring, ntu);
do {
- xdp = xsk_buff_alloc(rx_ring->xsk_pool->umem);
+ xdp = xsk_buff_alloc(rx_ring->xsk_pool);
if (!xdp) {
ok = false;
goto no_buffers;
@@ -363,11 +362,11 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
i40e_finalize_xdp_rx(rx_ring, xdp_xmit);
i40e_update_rx_stats(rx_ring, total_rx_bytes, total_rx_packets);
- if (xsk_umem_uses_need_wakeup(rx_ring->xsk_pool->umem)) {
+ if (xsk_uses_need_wakeup(rx_ring->xsk_pool)) {
if (failure || rx_ring->next_to_clean == rx_ring->next_to_use)
- xsk_set_rx_need_wakeup(rx_ring->xsk_pool->umem);
+ xsk_set_rx_need_wakeup(rx_ring->xsk_pool);
else
- xsk_clear_rx_need_wakeup(rx_ring->xsk_pool->umem);
+ xsk_clear_rx_need_wakeup(rx_ring->xsk_pool);
return (int)total_rx_packets;
}
@@ -390,12 +389,11 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget)
dma_addr_t dma;
while (budget-- > 0) {
- if (!xsk_umem_consume_tx(xdp_ring->xsk_pool->umem, &desc))
+ if (!xsk_tx_peek_desc(xdp_ring->xsk_pool, &desc))
break;
- dma = xsk_buff_raw_get_dma(xdp_ring->xsk_pool->umem,
- desc.addr);
- xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_pool->umem, dma,
+ dma = xsk_buff_raw_get_dma(xdp_ring->xsk_pool, desc.addr);
+ xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_pool, dma,
desc.len);
tx_bi = &xdp_ring->tx_bi[xdp_ring->next_to_use];
@@ -422,7 +420,7 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget)
I40E_TXD_QW1_CMD_SHIFT);
i40e_xdp_ring_update_tail(xdp_ring);
- xsk_umem_consume_tx_done(xdp_ring->xsk_pool->umem);
+ xsk_tx_release(xdp_ring->xsk_pool);
i40e_update_tx_stats(xdp_ring, sent_frames, total_bytes);
}
@@ -494,13 +492,13 @@ skip:
tx_ring->next_to_clean -= tx_ring->count;
if (xsk_frames)
- xsk_umem_complete_tx(bp->umem, xsk_frames);
+ xsk_tx_completed(bp, xsk_frames);
i40e_arm_wb(tx_ring, vsi, completed_frames);
out_xmit:
- if (xsk_umem_uses_need_wakeup(tx_ring->xsk_pool->umem))
- xsk_set_tx_need_wakeup(tx_ring->xsk_pool->umem);
+ if (xsk_uses_need_wakeup(tx_ring->xsk_pool))
+ xsk_set_tx_need_wakeup(tx_ring->xsk_pool);
return i40e_xmit_zc(tx_ring, I40E_DESC_UNUSED(tx_ring));
}
@@ -591,7 +589,7 @@ void i40e_xsk_clean_tx_ring(struct i40e_ring *tx_ring)
}
if (xsk_frames)
- xsk_umem_complete_tx(bp->umem, xsk_frames);
+ xsk_tx_completed(bp, xsk_frames);
}
/**
@@ -607,7 +605,7 @@ bool i40e_xsk_any_rx_ring_enabled(struct i40e_vsi *vsi)
int i;
for (i = 0; i < vsi->num_queue_pairs; i++) {
- if (xdp_get_xsk_pool_from_qid(netdev, i))
+ if (xsk_get_pool_from_qid(netdev, i))
return true;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index 3c92448e2554..fe4320e2d1f2 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -313,7 +313,7 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
ring->rx_buf_len =
- xsk_umem_get_rx_frame_size(ring->xsk_pool->umem);
+ xsk_pool_get_rx_frame_size(ring->xsk_pool);
/* For AF_XDP ZC, we disallow packets to span on
* multiple buffers, thus letting us skip that
* handling in the fast-path.
@@ -324,7 +324,7 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
NULL);
if (err)
return err;
- xsk_buff_set_rxq_info(ring->xsk_pool->umem, &ring->xdp_rxq);
+ xsk_pool_set_rxq_info(ring->xsk_pool, &ring->xdp_rxq);
dev_info(dev, "Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring %d\n",
ring->q_index);
@@ -418,7 +418,7 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
writel(0, ring->tail);
if (ring->xsk_pool) {
- if (!xsk_buff_can_alloc(ring->xsk_pool->umem, num_bufs)) {
+ if (!xsk_buff_can_alloc(ring->xsk_pool, num_bufs)) {
dev_warn(dev, "XSK buffer pool does not provide enough addresses to fill %d buffers on Rx ring %d\n",
num_bufs, ring->q_index);
dev_warn(dev, "Change Rx ring/fill queue size to avoid performance issues\n");
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c
index 8b70e8c5bc3a..dffef377c5cb 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.c
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.c
@@ -311,7 +311,7 @@ static int ice_xsk_pool_disable(struct ice_vsi *vsi, u16 qid)
!vsi->xsk_pools[qid])
return -EINVAL;
- xsk_buff_dma_unmap(vsi->xsk_pools[qid]->umem, ICE_RX_DMA_ATTR);
+ xsk_pool_dma_unmap(vsi->xsk_pools[qid], ICE_RX_DMA_ATTR);
ice_xsk_remove_pool(vsi, qid);
return 0;
@@ -348,7 +348,7 @@ ice_xsk_pool_enable(struct ice_vsi *vsi, struct xsk_buff_pool *pool, u16 qid)
vsi->xsk_pools[qid] = pool;
vsi->num_xsk_pools_used++;
- err = xsk_buff_dma_map(vsi->xsk_pools[qid]->umem, ice_pf_to_dev(vsi->back),
+ err = xsk_pool_dma_map(vsi->xsk_pools[qid], ice_pf_to_dev(vsi->back),
ICE_RX_DMA_ATTR);
if (err)
return err;
@@ -425,7 +425,7 @@ bool ice_alloc_rx_bufs_zc(struct ice_ring *rx_ring, u16 count)
rx_buf = &rx_ring->rx_buf[ntu];
do {
- rx_buf->xdp = xsk_buff_alloc(rx_ring->xsk_pool->umem);
+ rx_buf->xdp = xsk_buff_alloc(rx_ring->xsk_pool);
if (!rx_buf->xdp) {
ret = true;
break;
@@ -645,11 +645,11 @@ int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget)
ice_finalize_xdp_rx(rx_ring, xdp_xmit);
ice_update_rx_ring_stats(rx_ring, total_rx_packets, total_rx_bytes);
- if (xsk_umem_uses_need_wakeup(rx_ring->xsk_pool->umem)) {
+ if (xsk_uses_need_wakeup(rx_ring->xsk_pool)) {
if (failure || rx_ring->next_to_clean == rx_ring->next_to_use)
- xsk_set_rx_need_wakeup(rx_ring->xsk_pool->umem);
+ xsk_set_rx_need_wakeup(rx_ring->xsk_pool);
else
- xsk_clear_rx_need_wakeup(rx_ring->xsk_pool->umem);
+ xsk_clear_rx_need_wakeup(rx_ring->xsk_pool);
return (int)total_rx_packets;
}
@@ -682,11 +682,11 @@ static bool ice_xmit_zc(struct ice_ring *xdp_ring, int budget)
tx_buf = &xdp_ring->tx_buf[xdp_ring->next_to_use];
- if (!xsk_umem_consume_tx(xdp_ring->xsk_pool->umem, &desc))
+ if (!xsk_tx_peek_desc(xdp_ring->xsk_pool, &desc))
break;
- dma = xsk_buff_raw_get_dma(xdp_ring->xsk_pool->umem, desc.addr);
- xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_pool->umem, dma,
+ dma = xsk_buff_raw_get_dma(xdp_ring->xsk_pool, desc.addr);
+ xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_pool, dma,
desc.len);
tx_buf->bytecount = desc.len;
@@ -703,7 +703,7 @@ static bool ice_xmit_zc(struct ice_ring *xdp_ring, int budget)
if (tx_desc) {
ice_xdp_ring_update_tail(xdp_ring);
- xsk_umem_consume_tx_done(xdp_ring->xsk_pool->umem);
+ xsk_tx_release(xdp_ring->xsk_pool);
}
return budget > 0 && work_done;
@@ -777,10 +777,10 @@ bool ice_clean_tx_irq_zc(struct ice_ring *xdp_ring, int budget)
xdp_ring->next_to_clean = ntc;
if (xsk_frames)
- xsk_umem_complete_tx(xdp_ring->xsk_pool->umem, xsk_frames);
+ xsk_tx_completed(xdp_ring->xsk_pool, xsk_frames);
- if (xsk_umem_uses_need_wakeup(xdp_ring->xsk_pool->umem))
- xsk_set_tx_need_wakeup(xdp_ring->xsk_pool->umem);
+ if (xsk_uses_need_wakeup(xdp_ring->xsk_pool))
+ xsk_set_tx_need_wakeup(xdp_ring->xsk_pool);
ice_update_tx_ring_stats(xdp_ring, total_packets, total_bytes);
xmit_done = ice_xmit_zc(xdp_ring, ICE_DFLT_IRQ_WORK);
@@ -896,5 +896,5 @@ void ice_xsk_clean_xdp_ring(struct ice_ring *xdp_ring)
}
if (xsk_frames)
- xsk_umem_complete_tx(xdp_ring->xsk_pool->umem, xsk_frames);
+ xsk_tx_completed(xdp_ring->xsk_pool, xsk_frames);
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index c498465b3000..c4d41f8aad4a 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3714,7 +3714,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
/* configure the packet buffer length */
if (rx_ring->xsk_pool) {
- u32 xsk_buf_len = xsk_umem_get_rx_frame_size(rx_ring->xsk_pool->umem);
+ u32 xsk_buf_len = xsk_pool_get_rx_frame_size(rx_ring->xsk_pool);
/* If the MAC support setting RXDCTL.RLPML, the
* SRRCTL[n].BSIZEPKT is set to PAGE_SIZE and
@@ -4064,7 +4064,7 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
WARN_ON(xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
MEM_TYPE_XSK_BUFF_POOL,
NULL));
- xsk_buff_set_rxq_info(ring->xsk_pool->umem, &ring->xdp_rxq);
+ xsk_pool_set_rxq_info(ring->xsk_pool, &ring->xdp_rxq);
} else {
WARN_ON(xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
MEM_TYPE_PAGE_SHARED, NULL));
@@ -4120,7 +4120,7 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
}
if (ring->xsk_pool && hw->mac.type != ixgbe_mac_82599EB) {
- u32 xsk_buf_len = xsk_umem_get_rx_frame_size(ring->xsk_pool->umem);
+ u32 xsk_buf_len = xsk_pool_get_rx_frame_size(ring->xsk_pool);
rxdctl &= ~(IXGBE_RXDCTL_RLPMLMASK |
IXGBE_RXDCTL_RLPML_EN);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index 8ad954fcdc38..6af34da45b8d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -17,7 +17,7 @@ struct xsk_buff_pool *ixgbe_xsk_pool(struct ixgbe_adapter *adapter,
if (!xdp_on || !test_bit(qid, adapter->af_xdp_zc_qps))
return NULL;
- return xdp_get_xsk_pool_from_qid(adapter->netdev, qid);
+ return xsk_get_pool_from_qid(adapter->netdev, qid);
}
static int ixgbe_xsk_pool_enable(struct ixgbe_adapter *adapter,
@@ -35,7 +35,7 @@ static int ixgbe_xsk_pool_enable(struct ixgbe_adapter *adapter,
qid >= netdev->real_num_tx_queues)
return -EINVAL;
- err = xsk_buff_dma_map(pool->umem, &adapter->pdev->dev, IXGBE_RX_DMA_ATTR);
+ err = xsk_pool_dma_map(pool, &adapter->pdev->dev, IXGBE_RX_DMA_ATTR);
if (err)
return err;
@@ -64,7 +64,7 @@ static int ixgbe_xsk_pool_disable(struct ixgbe_adapter *adapter, u16 qid)
struct xsk_buff_pool *pool;
bool if_running;
- pool = xdp_get_xsk_pool_from_qid(adapter->netdev, qid);
+ pool = xsk_get_pool_from_qid(adapter->netdev, qid);
if (!pool)
return -EINVAL;
@@ -75,7 +75,7 @@ static int ixgbe_xsk_pool_disable(struct ixgbe_adapter *adapter, u16 qid)
ixgbe_txrx_ring_disable(adapter, qid);
clear_bit(qid, adapter->af_xdp_zc_qps);
- xsk_buff_dma_unmap(pool->umem, IXGBE_RX_DMA_ATTR);
+ xsk_pool_dma_unmap(pool, IXGBE_RX_DMA_ATTR);
if (if_running)
ixgbe_txrx_ring_enable(adapter, qid);
@@ -150,7 +150,7 @@ bool ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 count)
i -= rx_ring->count;
do {
- bi->xdp = xsk_buff_alloc(rx_ring->xsk_pool->umem);
+ bi->xdp = xsk_buff_alloc(rx_ring->xsk_pool);
if (!bi->xdp) {
ok = false;
break;
@@ -345,11 +345,11 @@ int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
q_vector->rx.total_packets += total_rx_packets;
q_vector->rx.total_bytes += total_rx_bytes;
- if (xsk_umem_uses_need_wakeup(rx_ring->xsk_pool->umem)) {
+ if (xsk_uses_need_wakeup(rx_ring->xsk_pool)) {
if (failure || rx_ring->next_to_clean == rx_ring->next_to_use)
- xsk_set_rx_need_wakeup(rx_ring->xsk_pool->umem);
+ xsk_set_rx_need_wakeup(rx_ring->xsk_pool);
else
- xsk_clear_rx_need_wakeup(rx_ring->xsk_pool->umem);
+ xsk_clear_rx_need_wakeup(rx_ring->xsk_pool);
return (int)total_rx_packets;
}
@@ -389,11 +389,11 @@ static bool ixgbe_xmit_zc(struct ixgbe_ring *xdp_ring, unsigned int budget)
break;
}
- if (!xsk_umem_consume_tx(pool->umem, &desc))
+ if (!xsk_tx_peek_desc(pool, &desc))
break;
- dma = xsk_buff_raw_get_dma(pool->umem, desc.addr);
- xsk_buff_raw_dma_sync_for_device(pool->umem, dma, desc.len);
+ dma = xsk_buff_raw_get_dma(pool, desc.addr);
+ xsk_buff_raw_dma_sync_for_device(pool, dma, desc.len);
tx_bi = &xdp_ring->tx_buffer_info[xdp_ring->next_to_use];
tx_bi->bytecount = desc.len;
@@ -419,7 +419,7 @@ static bool ixgbe_xmit_zc(struct ixgbe_ring *xdp_ring, unsigned int budget)
if (tx_desc) {
ixgbe_xdp_ring_update_tail(xdp_ring);
- xsk_umem_consume_tx_done(pool->umem);
+ xsk_tx_release(pool);
}
return !!budget && work_done;
@@ -485,10 +485,10 @@ bool ixgbe_clean_xdp_tx_irq(struct ixgbe_q_vector *q_vector,
q_vector->tx.total_packets += total_packets;
if (xsk_frames)
- xsk_umem_complete_tx(pool->umem, xsk_frames);
+ xsk_tx_completed(pool, xsk_frames);
- if (xsk_umem_uses_need_wakeup(pool->umem))
- xsk_set_tx_need_wakeup(pool->umem);
+ if (xsk_uses_need_wakeup(pool))
+ xsk_set_tx_need_wakeup(pool);
return ixgbe_xmit_zc(tx_ring, q_vector->tx.work_limit);
}
@@ -547,5 +547,5 @@ void ixgbe_xsk_clean_tx_ring(struct ixgbe_ring *tx_ring)
}
if (xsk_frames)
- xsk_umem_complete_tx(pool->umem, xsk_frames);
+ xsk_tx_completed(pool, xsk_frames);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
index c9f0d2be6dd1..d521449186cc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
@@ -445,7 +445,7 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
} while ((++i < MLX5E_TX_CQ_POLL_BUDGET) && (cqe = mlx5_cqwq_get_cqe(&cq->wq)));
if (xsk_frames)
- xsk_umem_complete_tx(sq->xsk_pool->umem, xsk_frames);
+ xsk_tx_completed(sq->xsk_pool, xsk_frames);
sq->stats->cqes += i;
@@ -475,7 +475,7 @@ void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq)
}
if (xsk_frames)
- xsk_umem_complete_tx(sq->xsk_pool->umem, xsk_frames);
+ xsk_tx_completed(sq->xsk_pool, xsk_frames);
}
int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c
index 8ccd9203ee25..3503e7711178 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c
@@ -11,13 +11,13 @@ static int mlx5e_xsk_map_pool(struct mlx5e_priv *priv,
{
struct device *dev = priv->mdev->device;
- return xsk_buff_dma_map(pool->umem, dev, 0);
+ return xsk_pool_dma_map(pool, dev, 0);
}
static void mlx5e_xsk_unmap_pool(struct mlx5e_priv *priv,
struct xsk_buff_pool *pool)
{
- return xsk_buff_dma_unmap(pool->umem, 0);
+ return xsk_pool_dma_unmap(pool, 0);
}
static int mlx5e_xsk_get_pools(struct mlx5e_xsk *xsk)
@@ -64,14 +64,14 @@ static void mlx5e_xsk_remove_pool(struct mlx5e_xsk *xsk, u16 ix)
static bool mlx5e_xsk_is_pool_sane(struct xsk_buff_pool *pool)
{
- return xsk_umem_get_headroom(pool->umem) <= 0xffff &&
- xsk_umem_get_chunk_size(pool->umem) <= 0xffff;
+ return xsk_pool_get_headroom(pool) <= 0xffff &&
+ xsk_pool_get_chunk_size(pool) <= 0xffff;
}
void mlx5e_build_xsk_param(struct xsk_buff_pool *pool, struct mlx5e_xsk_param *xsk)
{
- xsk->headroom = xsk_umem_get_headroom(pool->umem);
- xsk->chunk_size = xsk_umem_get_chunk_size(pool->umem);
+ xsk->headroom = xsk_pool_get_headroom(pool);
+ xsk->chunk_size = xsk_pool_get_chunk_size(pool);
}
static int mlx5e_xsk_enable_locked(struct mlx5e_priv *priv,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
index 3dd056a11bae..7f88ccf67fdd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
@@ -22,7 +22,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
static inline int mlx5e_xsk_page_alloc_pool(struct mlx5e_rq *rq,
struct mlx5e_dma_info *dma_info)
{
- dma_info->xsk = xsk_buff_alloc(rq->xsk_pool->umem);
+ dma_info->xsk = xsk_buff_alloc(rq->xsk_pool);
if (!dma_info->xsk)
return -ENOMEM;
@@ -38,13 +38,13 @@ static inline int mlx5e_xsk_page_alloc_pool(struct mlx5e_rq *rq,
static inline bool mlx5e_xsk_update_rx_wakeup(struct mlx5e_rq *rq, bool alloc_err)
{
- if (!xsk_umem_uses_need_wakeup(rq->xsk_pool->umem))
+ if (!xsk_uses_need_wakeup(rq->xsk_pool))
return alloc_err;
if (unlikely(alloc_err))
- xsk_set_rx_need_wakeup(rq->xsk_pool->umem);
+ xsk_set_rx_need_wakeup(rq->xsk_pool);
else
- xsk_clear_rx_need_wakeup(rq->xsk_pool->umem);
+ xsk_clear_rx_need_wakeup(rq->xsk_pool);
return false;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
index 5f9470207bb0..aa91cbdfe969 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
@@ -87,7 +87,7 @@ bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
break;
}
- if (!xsk_umem_consume_tx(pool->umem, &desc)) {
+ if (!xsk_tx_peek_desc(pool, &desc)) {
/* TX will get stuck until something wakes it up by
* triggering NAPI. Currently it's expected that the
* application calls sendto() if there are consumed, but
@@ -96,11 +96,11 @@ bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
break;
}
- xdptxd.dma_addr = xsk_buff_raw_get_dma(pool->umem, desc.addr);
- xdptxd.data = xsk_buff_raw_get_data(pool->umem, desc.addr);
+ xdptxd.dma_addr = xsk_buff_raw_get_dma(pool, desc.addr);
+ xdptxd.data = xsk_buff_raw_get_data(pool, desc.addr);
xdptxd.len = desc.len;
- xsk_buff_raw_dma_sync_for_device(pool->umem, xdptxd.dma_addr, xdptxd.len);
+ xsk_buff_raw_dma_sync_for_device(pool, xdptxd.dma_addr, xdptxd.len);
ret = INDIRECT_CALL_2(sq->xmit_xdp_frame, mlx5e_xmit_xdp_frame_mpwqe,
mlx5e_xmit_xdp_frame, sq, &xdptxd, &xdpi, check_result);
@@ -119,7 +119,7 @@ bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
mlx5e_xdp_mpwqe_complete(sq);
mlx5e_xmit_xdp_doorbell(sq);
- xsk_umem_consume_tx_done(pool->umem);
+ xsk_tx_release(pool);
}
return !(budget && work_done);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h
index ddb61d5bc2db..a05085035f23 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h
@@ -15,13 +15,13 @@ bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget);
static inline void mlx5e_xsk_update_tx_wakeup(struct mlx5e_xdpsq *sq)
{
- if (!xsk_umem_uses_need_wakeup(sq->xsk_pool->umem))
+ if (!xsk_uses_need_wakeup(sq->xsk_pool))
return;
if (sq->pc != sq->cc)
- xsk_clear_tx_need_wakeup(sq->xsk_pool->umem);
+ xsk_clear_tx_need_wakeup(sq->xsk_pool);
else
- xsk_set_tx_need_wakeup(sq->xsk_pool->umem);
+ xsk_set_tx_need_wakeup(sq->xsk_pool);
}
#endif /* __MLX5_EN_XSK_TX_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index f598683dc906..26834625556d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -477,7 +477,7 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
if (xsk) {
err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
MEM_TYPE_XSK_BUFF_POOL, NULL);
- xsk_buff_set_rxq_info(rq->xsk_pool->umem, &rq->xdp_rxq);
+ xsk_pool_set_rxq_info(rq->xsk_pool, &rq->xdp_rxq);
} else {
/* Create a page_pool and register it with rxq */
pp_params.order = 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index b33f9f21848f..57034c58b971 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -407,7 +407,7 @@ static int mlx5e_alloc_rx_wqes(struct mlx5e_rq *rq, u16 ix, u8 wqe_bulk)
* allocating one-by-one, failing and moving frames to the
* Reuse Ring.
*/
- if (unlikely(!xsk_buff_can_alloc(rq->xsk_pool->umem, pages_desired)))
+ if (unlikely(!xsk_buff_can_alloc(rq->xsk_pool, pages_desired)))
return -ENOMEM;
}
@@ -506,7 +506,7 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
* one-by-one, failing and moving frames to the Reuse Ring.
*/
if (rq->xsk_pool &&
- unlikely(!xsk_buff_can_alloc(rq->xsk_pool->umem, MLX5_MPWRQ_PAGES_PER_WQE))) {
+ unlikely(!xsk_buff_can_alloc(rq->xsk_pool, MLX5_MPWRQ_PAGES_PER_WQE))) {
err = -ENOMEM;
goto err;
}
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index c9d87cc40c11..ccf6cb54f9a6 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -52,6 +52,7 @@ struct xdp_sock {
struct net_device *dev;
struct xdp_umem *umem;
struct list_head flush_node;
+ struct xsk_buff_pool *pool;
u16 queue_id;
bool zc;
enum {
diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h
index 5dc8d3c0dcd4..a7c7d2eff860 100644
--- a/include/net/xdp_sock_drv.h
+++ b/include/net/xdp_sock_drv.h
@@ -11,48 +11,50 @@
#ifdef CONFIG_XDP_SOCKETS
-void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries);
-bool xsk_umem_consume_tx(struct xdp_umem *umem, struct xdp_desc *desc);
-void xsk_umem_consume_tx_done(struct xdp_umem *umem);
-struct xsk_buff_pool *xdp_get_xsk_pool_from_qid(struct net_device *dev,
- u16 queue_id);
-void xsk_set_rx_need_wakeup(struct xdp_umem *umem);
-void xsk_set_tx_need_wakeup(struct xdp_umem *umem);
-void xsk_clear_rx_need_wakeup(struct xdp_umem *umem);
-void xsk_clear_tx_need_wakeup(struct xdp_umem *umem);
-bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem);
+void xsk_tx_completed(struct xsk_buff_pool *pool, u32 nb_entries);
+bool xsk_tx_peek_desc(struct xsk_buff_pool *pool, struct xdp_desc *desc);
+void xsk_tx_release(struct xsk_buff_pool *pool);
+struct xsk_buff_pool *xsk_get_pool_from_qid(struct net_device *dev,
+ u16 queue_id);
+void xsk_set_rx_need_wakeup(struct xsk_buff_pool *pool);
+void xsk_set_tx_need_wakeup(struct xsk_buff_pool *pool);
+void xsk_clear_rx_need_wakeup(struct xsk_buff_pool *pool);
+void xsk_clear_tx_need_wakeup(struct xsk_buff_pool *pool);
+bool xsk_uses_need_wakeup(struct xsk_buff_pool *pool);
-static inline u32 xsk_umem_get_headroom(struct xdp_umem *umem)
+static inline u32 xsk_pool_get_headroom(struct xsk_buff_pool *pool)
{
- return XDP_PACKET_HEADROOM + umem->headroom;
+ return XDP_PACKET_HEADROOM + pool->headroom;
}
-static inline u32 xsk_umem_get_chunk_size(struct xdp_umem *umem)
+static inline u32 xsk_pool_get_chunk_size(struct xsk_buff_pool *pool)
{
- return umem->chunk_size;
+ return pool->chunk_size;
}
-static inline u32 xsk_umem_get_rx_frame_size(struct xdp_umem *umem)
+static inline u32 xsk_pool_get_rx_frame_size(struct xsk_buff_pool *pool)
{
- return xsk_umem_get_chunk_size(umem) - xsk_umem_get_headroom(umem);
+ return xsk_pool_get_chunk_size(pool) - xsk_pool_get_headroom(pool);
}
-static inline void xsk_buff_set_rxq_info(struct xdp_umem *umem,
+static inline void xsk_pool_set_rxq_info(struct xsk_buff_pool *pool,
struct xdp_rxq_info *rxq)
{
- xp_set_rxq_info(umem->pool, rxq);
+ xp_set_rxq_info(pool, rxq);
}
-static inline void xsk_buff_dma_unmap(struct xdp_umem *umem,
+static inline void xsk_pool_dma_unmap(struct xsk_buff_pool *pool,
unsigned long attrs)
{
- xp_dma_unmap(umem->pool, attrs);
+ xp_dma_unmap(pool, attrs);
}
-static inline int xsk_buff_dma_map(struct xdp_umem *umem, struct device *dev,
- unsigned long attrs)
+static inline int xsk_pool_dma_map(struct xsk_buff_pool *pool,
+ struct device *dev, unsigned long attrs)
{
- return xp_dma_map(umem->pool, dev, attrs, umem->pgs, umem->npgs);
+ struct xdp_umem *umem = pool->umem;
+
+ return xp_dma_map(pool, dev, attrs, umem->pgs, umem->npgs);
}
static inline dma_addr_t xsk_buff_xdp_get_dma(struct xdp_buff *xdp)
@@ -69,14 +71,14 @@ static inline dma_addr_t xsk_buff_xdp_get_frame_dma(struct xdp_buff *xdp)
return xp_get_frame_dma(xskb);
}
-static inline struct xdp_buff *xsk_buff_alloc(struct xdp_umem *umem)
+static inline struct xdp_buff *xsk_buff_alloc(struct xsk_buff_pool *pool)
{
- return xp_alloc(umem->pool);
+ return xp_alloc(pool);
}
-static inline bool xsk_buff_can_alloc(struct xdp_umem *umem, u32 count)
+static inline bool xsk_buff_can_alloc(struct xsk_buff_pool *pool, u32 count)
{
- return xp_can_alloc(umem->pool, count);
+ return xp_can_alloc(pool, count);
}
static inline void xsk_buff_free(struct xdp_buff *xdp)
@@ -86,14 +88,15 @@ static inline void xsk_buff_free(struct xdp_buff *xdp)
xp_free(xskb);
}
-static inline dma_addr_t xsk_buff_raw_get_dma(struct xdp_umem *umem, u64 addr)
+static inline dma_addr_t xsk_buff_raw_get_dma(struct xsk_buff_pool *pool,
+ u64 addr)
{
- return xp_raw_get_dma(umem->pool, addr);
+ return xp_raw_get_dma(pool, addr);
}
-static inline void *xsk_buff_raw_get_data(struct xdp_umem *umem, u64 addr)
+static inline void *xsk_buff_raw_get_data(struct xsk_buff_pool *pool, u64 addr)
{
- return xp_raw_get_data(umem->pool, addr);
+ return xp_raw_get_data(pool, addr);
}
static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp)
@@ -103,83 +106,83 @@ static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp)
xp_dma_sync_for_cpu(xskb);
}
-static inline void xsk_buff_raw_dma_sync_for_device(struct xdp_umem *umem,
+static inline void xsk_buff_raw_dma_sync_for_device(struct xsk_buff_pool *pool,
dma_addr_t dma,
size_t size)
{
- xp_dma_sync_for_device(umem->pool, dma, size);
+ xp_dma_sync_for_device(pool, dma, size);
}
#else
-static inline void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries)
+static inline void xsk_tx_completed(struct xsk_buff_pool *pool, u32 nb_entries)
{
}
-static inline bool xsk_umem_consume_tx(struct xdp_umem *umem,
- struct xdp_desc *desc)
+static inline bool xsk_tx_peek_desc(struct xsk_buff_pool *pool,
+ struct xdp_desc *desc)
{
return false;
}
-static inline void xsk_umem_consume_tx_done(struct xdp_umem *umem)
+static inline void xsk_tx_release(struct xsk_buff_pool *pool)
{
}
static inline struct xsk_buff_pool *
-xdp_get_xsk_pool_from_qid(struct net_device *dev, u16 queue_id)
+xsk_get_pool_from_qid(struct net_device *dev, u16 queue_id)
{
return NULL;
}
-static inline void xsk_set_rx_need_wakeup(struct xdp_umem *umem)
+static inline void xsk_set_rx_need_wakeup(struct xsk_buff_pool *pool)
{
}
-static inline void xsk_set_tx_need_wakeup(struct xdp_umem *umem)
+static inline void xsk_set_tx_need_wakeup(struct xsk_buff_pool *pool)
{
}
-static inline void xsk_clear_rx_need_wakeup(struct xdp_umem *umem)
+static inline void xsk_clear_rx_need_wakeup(struct xsk_buff_pool *pool)
{
}
-static inline void xsk_clear_tx_need_wakeup(struct xdp_umem *umem)
+static inline void xsk_clear_tx_need_wakeup(struct xsk_buff_pool *pool)
{
}
-static inline bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem)
+static inline bool xsk_uses_need_wakeup(struct xsk_buff_pool *pool)
{
return false;
}
-static inline u32 xsk_umem_get_headroom(struct xdp_umem *umem)
+static inline u32 xsk_pool_get_headroom(struct xsk_buff_pool *pool)
{
return 0;
}
-static inline u32 xsk_umem_get_chunk_size(struct xdp_umem *umem)
+static inline u32 xsk_pool_get_chunk_size(struct xsk_buff_pool *pool)
{
return 0;
}
-static inline u32 xsk_umem_get_rx_frame_size(struct xdp_umem *umem)
+static inline u32 xsk_pool_get_rx_frame_size(struct xsk_buff_pool *pool)
{
return 0;
}
-static inline void xsk_buff_set_rxq_info(struct xdp_umem *umem,
+static inline void xsk_pool_set_rxq_info(struct xsk_buff_pool *pool,
struct xdp_rxq_info *rxq)
{
}
-static inline void xsk_buff_dma_unmap(struct xdp_umem *umem,
+static inline void xsk_pool_dma_unmap(struct xsk_buff_pool *pool,
unsigned long attrs)
{
}
-static inline int xsk_buff_dma_map(struct xdp_umem *umem, struct device *dev,
- unsigned long attrs)
+static inline int xsk_pool_dma_map(struct xsk_buff_pool *pool,
+ struct device *dev, unsigned long attrs)
{
return 0;
}
@@ -194,12 +197,12 @@ static inline dma_addr_t xsk_buff_xdp_get_frame_dma(struct xdp_buff *xdp)
return 0;
}
-static inline struct xdp_buff *xsk_buff_alloc(struct xdp_umem *umem)
+static inline struct xdp_buff *xsk_buff_alloc(struct xsk_buff_pool *pool)
{
return NULL;
}
-static inline bool xsk_buff_can_alloc(struct xdp_umem *umem, u32 count)
+static inline bool xsk_buff_can_alloc(struct xsk_buff_pool *pool, u32 count)
{
return false;
}
@@ -208,12 +211,13 @@ static inline void xsk_buff_free(struct xdp_buff *xdp)
{
}
-static inline dma_addr_t xsk_buff_raw_get_dma(struct xdp_umem *umem, u64 addr)
+static inline dma_addr_t xsk_buff_raw_get_dma(struct xsk_buff_pool *pool,
+ u64 addr)
{
return 0;
}
-static inline void *xsk_buff_raw_get_data(struct xdp_umem *umem, u64 addr)
+static inline void *xsk_buff_raw_get_data(struct xsk_buff_pool *pool, u64 addr)
{
return NULL;
}
@@ -222,7 +226,7 @@ static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp)
{
}
-static inline void xsk_buff_raw_dma_sync_for_device(struct xdp_umem *umem,
+static inline void xsk_buff_raw_dma_sync_for_device(struct xsk_buff_pool *pool,
dma_addr_t dma,
size_t size)
{
diff --git a/net/ethtool/channels.c b/net/ethtool/channels.c
index 78d990bfb90f..9ecda09ecb11 100644
--- a/net/ethtool/channels.c
+++ b/net/ethtool/channels.c
@@ -223,7 +223,7 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
from_channel = channels.combined_count +
min(channels.rx_count, channels.tx_count);
for (i = from_channel; i < old_total; i++)
- if (xdp_get_xsk_pool_from_qid(dev, i)) {
+ if (xsk_get_pool_from_qid(dev, i)) {
GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing zerocopy AF_XDP sockets");
return -EINVAL;
}
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 2e6a678df741..925b5731bf0c 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1706,7 +1706,7 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
min(channels.rx_count, channels.tx_count);
to_channel = curr.combined_count + max(curr.rx_count, curr.tx_count);
for (i = from_channel; i < to_channel; i++)
- if (xdp_get_xsk_pool_from_qid(dev, i))
+ if (xsk_get_pool_from_qid(dev, i))
return -EINVAL;
ret = dev->ethtool_ops->set_channels(dev, &channels);
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 0b5f3b04216f..adde4d576b38 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -51,9 +51,9 @@ void xdp_del_sk_umem(struct xdp_umem *umem, struct xdp_sock *xs)
* not know if the device has more tx queues than rx, or the opposite.
* This might also change during run time.
*/
-static int xdp_reg_xsk_pool_at_qid(struct net_device *dev,
- struct xsk_buff_pool *pool,
- u16 queue_id)
+static int xsk_reg_pool_at_qid(struct net_device *dev,
+ struct xsk_buff_pool *pool,
+ u16 queue_id)
{
if (queue_id >= max_t(unsigned int,
dev->real_num_rx_queues,
@@ -68,8 +68,8 @@ static int xdp_reg_xsk_pool_at_qid(struct net_device *dev,
return 0;
}
-struct xsk_buff_pool *xdp_get_xsk_pool_from_qid(struct net_device *dev,
- u16 queue_id)
+struct xsk_buff_pool *xsk_get_pool_from_qid(struct net_device *dev,
+ u16 queue_id)
{
if (queue_id < dev->real_num_rx_queues)
return dev->_rx[queue_id].pool;
@@ -78,9 +78,9 @@ struct xsk_buff_pool *xdp_get_xsk_pool_from_qid(struct net_device *dev,
return NULL;
}
-EXPORT_SYMBOL(xdp_get_xsk_pool_from_qid);
+EXPORT_SYMBOL(xsk_get_pool_from_qid);
-static void xdp_clear_xsk_pool_at_qid(struct net_device *dev, u16 queue_id)
+static void xsk_clear_pool_at_qid(struct net_device *dev, u16 queue_id)
{
if (queue_id < dev->real_num_rx_queues)
dev->_rx[queue_id].pool = NULL;
@@ -103,10 +103,10 @@ int xdp_umem_assign_dev(struct xdp_umem *umem, struct net_device *dev,
if (force_zc && force_copy)
return -EINVAL;
- if (xdp_get_xsk_pool_from_qid(dev, queue_id))
+ if (xsk_get_pool_from_qid(dev, queue_id))
return -EBUSY;
- err = xdp_reg_xsk_pool_at_qid(dev, umem->pool, queue_id);
+ err = xsk_reg_pool_at_qid(dev, umem->pool, queue_id);
if (err)
return err;
@@ -119,7 +119,7 @@ int xdp_umem_assign_dev(struct xdp_umem *umem, struct net_device *dev,
* Also for supporting drivers that do not implement this
* feature. They will always have to call sendto().
*/
- xsk_set_tx_need_wakeup(umem);
+ xsk_set_tx_need_wakeup(umem->pool);
}
dev_hold(dev);
@@ -148,7 +148,7 @@ err_unreg_umem:
if (!force_zc)
err = 0; /* fallback to copy mode */
if (err)
- xdp_clear_xsk_pool_at_qid(dev, queue_id);
+ xsk_clear_pool_at_qid(dev, queue_id);
return err;
}
@@ -173,7 +173,7 @@ void xdp_umem_clear_dev(struct xdp_umem *umem)
WARN(1, "failed to disable umem!\n");
}
- xdp_clear_xsk_pool_at_qid(umem->dev, umem->queue_id);
+ xsk_clear_pool_at_qid(umem->dev, umem->queue_id);
dev_put(umem->dev);
umem->dev = NULL;
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index c3231620d210..befc9a4331e1 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -39,8 +39,10 @@ bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs)
READ_ONCE(xs->umem->fq);
}
-void xsk_set_rx_need_wakeup(struct xdp_umem *umem)
+void xsk_set_rx_need_wakeup(struct xsk_buff_pool *pool)
{
+ struct xdp_umem *umem = pool->umem;
+
if (umem->need_wakeup & XDP_WAKEUP_RX)
return;
@@ -49,8 +51,9 @@ void xsk_set_rx_need_wakeup(struct xdp_umem *umem)
}
EXPORT_SYMBOL(xsk_set_rx_need_wakeup);
-void xsk_set_tx_need_wakeup(struct xdp_umem *umem)
+void xsk_set_tx_need_wakeup(struct xsk_buff_pool *pool)
{
+ struct xdp_umem *umem = pool->umem;
struct xdp_sock *xs;
if (umem->need_wakeup & XDP_WAKEUP_TX)
@@ -66,8 +69,10 @@ void xsk_set_tx_need_wakeup(struct xdp_umem *umem)
}
EXPORT_SYMBOL(xsk_set_tx_need_wakeup);
-void xsk_clear_rx_need_wakeup(struct xdp_umem *umem)
+void xsk_clear_rx_need_wakeup(struct xsk_buff_pool *pool)
{
+ struct xdp_umem *umem = pool->umem;
+
if (!(umem->need_wakeup & XDP_WAKEUP_RX))
return;
@@ -76,8 +81,9 @@ void xsk_clear_rx_need_wakeup(struct xdp_umem *umem)
}
EXPORT_SYMBOL(xsk_clear_rx_need_wakeup);
-void xsk_clear_tx_need_wakeup(struct xdp_umem *umem)
+void xsk_clear_tx_need_wakeup(struct xsk_buff_pool *pool)
{
+ struct xdp_umem *umem = pool->umem;
struct xdp_sock *xs;
if (!(umem->need_wakeup & XDP_WAKEUP_TX))
@@ -93,11 +99,11 @@ void xsk_clear_tx_need_wakeup(struct xdp_umem *umem)
}
EXPORT_SYMBOL(xsk_clear_tx_need_wakeup);
-bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem)
+bool xsk_uses_need_wakeup(struct xsk_buff_pool *pool)
{
- return umem->flags & XDP_UMEM_USES_NEED_WAKEUP;
+ return pool->umem->flags & XDP_UMEM_USES_NEED_WAKEUP;
}
-EXPORT_SYMBOL(xsk_umem_uses_need_wakeup);
+EXPORT_SYMBOL(xsk_uses_need_wakeup);
void xp_release(struct xdp_buff_xsk *xskb)
{
@@ -155,12 +161,12 @@ static int __xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len,
struct xdp_buff *xsk_xdp;
int err;
- if (len > xsk_umem_get_rx_frame_size(xs->umem)) {
+ if (len > xsk_pool_get_rx_frame_size(xs->pool)) {
xs->rx_dropped++;
return -ENOSPC;
}
- xsk_xdp = xsk_buff_alloc(xs->umem);
+ xsk_xdp = xsk_buff_alloc(xs->pool);
if (!xsk_xdp) {
xs->rx_dropped++;
return -ENOSPC;
@@ -249,27 +255,28 @@ void __xsk_map_flush(void)
}
}
-void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries)
+void xsk_tx_completed(struct xsk_buff_pool *pool, u32 nb_entries)
{
- xskq_prod_submit_n(umem->cq, nb_entries);
+ xskq_prod_submit_n(pool->umem->cq, nb_entries);
}
-EXPORT_SYMBOL(xsk_umem_complete_tx);
+EXPORT_SYMBOL(xsk_tx_completed);
-void xsk_umem_consume_tx_done(struct xdp_umem *umem)
+void xsk_tx_release(struct xsk_buff_pool *pool)
{
struct xdp_sock *xs;
rcu_read_lock();
- list_for_each_entry_rcu(xs, &umem->xsk_tx_list, list) {
+ list_for_each_entry_rcu(xs, &pool->umem->xsk_tx_list, list) {
__xskq_cons_release(xs->tx);
xs->sk.sk_write_space(&xs->sk);
}
rcu_read_unlock();
}
-EXPORT_SYMBOL(xsk_umem_consume_tx_done);
+EXPORT_SYMBOL(xsk_tx_release);
-bool xsk_umem_consume_tx(struct xdp_umem *umem, struct xdp_desc *desc)
+bool xsk_tx_peek_desc(struct xsk_buff_pool *pool, struct xdp_desc *desc)
{
+ struct xdp_umem *umem = pool->umem;
struct xdp_sock *xs;
rcu_read_lock();
@@ -296,7 +303,7 @@ out:
rcu_read_unlock();
return false;
}
-EXPORT_SYMBOL(xsk_umem_consume_tx);
+EXPORT_SYMBOL(xsk_tx_peek_desc);
static int xsk_wakeup(struct xdp_sock *xs, u8 flags)
{
@@ -359,7 +366,7 @@ static int xsk_generic_xmit(struct sock *sk)
skb_put(skb, len);
addr = desc.addr;
- buffer = xsk_buff_raw_get_data(xs->umem, addr);
+ buffer = xsk_buff_raw_get_data(xs->pool, addr);
err = skb_store_bits(skb, 0, buffer, len);
/* This is the backpressure mechanism for the Tx path.
* Reserve space in the completion queue and only proceed
@@ -762,6 +769,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname,
return PTR_ERR(umem);
}
+ xs->pool = umem->pool;
+
/* Make sure umem is ready before it can be seen by others */
smp_wmb();
WRITE_ONCE(xs->umem, umem);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.