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-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_rx.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_rx.c12
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_common.c15
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_fp.c4
-rw-r--r--drivers/net/virtio_net.c12
5 files changed, 34 insertions, 12 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index e362f99334d0..f15ddba3659a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -33,6 +33,7 @@
#include <net/busy_poll.h>
#include <linux/bpf.h>
+#include <linux/bpf_trace.h>
#include <linux/mlx4/cq.h>
#include <linux/slab.h>
#include <linux/mlx4/qp.h>
@@ -926,10 +927,12 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
length, cq->ring,
&doorbell_pending)))
goto consumed;
+ trace_xdp_exception(dev, xdp_prog, act);
goto xdp_drop_no_cnt; /* Drop on xmit failure */
default:
bpf_warn_invalid_xdp_action(act);
case XDP_ABORTED:
+ trace_xdp_exception(dev, xdp_prog, act);
case XDP_DROP:
ring->xdp_drop++;
xdp_drop_no_cnt:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index ba50583ea3ed..3d2e1a1886a5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -33,6 +33,7 @@
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/tcp.h>
+#include <linux/bpf_trace.h>
#include <net/busy_poll.h>
#include "en.h"
#include "en_tc.h"
@@ -640,7 +641,7 @@ static inline void mlx5e_xmit_xdp_doorbell(struct mlx5e_sq *sq)
mlx5e_tx_notify_hw(sq, &wqe->ctrl, 0);
}
-static inline void mlx5e_xmit_xdp_frame(struct mlx5e_rq *rq,
+static inline bool mlx5e_xmit_xdp_frame(struct mlx5e_rq *rq,
struct mlx5e_dma_info *di,
const struct xdp_buff *xdp)
{
@@ -662,7 +663,7 @@ static inline void mlx5e_xmit_xdp_frame(struct mlx5e_rq *rq,
MLX5E_SW2HW_MTU(rq->netdev->mtu) < dma_len)) {
rq->stats.xdp_drop++;
mlx5e_page_release(rq, di, true);
- return;
+ return false;
}
if (unlikely(!mlx5e_sq_has_room_for(sq, MLX5E_XDP_TX_WQEBBS))) {
@@ -673,7 +674,7 @@ static inline void mlx5e_xmit_xdp_frame(struct mlx5e_rq *rq,
}
rq->stats.xdp_tx_full++;
mlx5e_page_release(rq, di, true);
- return;
+ return false;
}
dma_len -= MLX5E_XDP_MIN_INLINE;
@@ -703,6 +704,7 @@ static inline void mlx5e_xmit_xdp_frame(struct mlx5e_rq *rq,
sq->db.xdp.doorbell = true;
rq->stats.xdp_tx++;
+ return true;
}
/* returns true if packet was consumed by xdp */
@@ -728,11 +730,13 @@ static inline int mlx5e_xdp_handle(struct mlx5e_rq *rq,
*len = xdp.data_end - xdp.data;
return false;
case XDP_TX:
- mlx5e_xmit_xdp_frame(rq, di, &xdp);
+ if (unlikely(!mlx5e_xmit_xdp_frame(rq, di, &xdp)))
+ trace_xdp_exception(rq->netdev, prog, act);
return true;
default:
bpf_warn_invalid_xdp_action(act);
case XDP_ABORTED:
+ trace_xdp_exception(rq->netdev, prog, act);
case XDP_DROP:
rq->stats.xdp_drop++;
mlx5e_page_release(rq, di, true);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 67afd95ffb93..6ac43abf561b 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -42,6 +42,7 @@
*/
#include <linux/bpf.h>
+#include <linux/bpf_trace.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -1459,7 +1460,7 @@ nfp_net_rx_drop(struct nfp_net_r_vector *r_vec, struct nfp_net_rx_ring *rx_ring,
dev_kfree_skb_any(skb);
}
-static void
+static bool
nfp_net_tx_xdp_buf(struct nfp_net *nn, struct nfp_net_rx_ring *rx_ring,
struct nfp_net_tx_ring *tx_ring,
struct nfp_net_rx_buf *rxbuf, unsigned int pkt_off,
@@ -1473,13 +1474,13 @@ nfp_net_tx_xdp_buf(struct nfp_net *nn, struct nfp_net_rx_ring *rx_ring,
if (unlikely(nfp_net_tx_full(tx_ring, 1))) {
nfp_net_rx_drop(rx_ring->r_vec, rx_ring, rxbuf, NULL);
- return;
+ return false;
}
new_frag = nfp_net_napi_alloc_one(nn, DMA_BIDIRECTIONAL, &new_dma_addr);
if (unlikely(!new_frag)) {
nfp_net_rx_drop(rx_ring->r_vec, rx_ring, rxbuf, NULL);
- return;
+ return false;
}
nfp_net_rx_give_one(rx_ring, new_frag, new_dma_addr);
@@ -1509,6 +1510,7 @@ nfp_net_tx_xdp_buf(struct nfp_net *nn, struct nfp_net_rx_ring *rx_ring,
tx_ring->wr_p++;
tx_ring->wr_ptr_add++;
+ return true;
}
static int nfp_net_run_xdp(struct bpf_prog *prog, void *data, unsigned int len)
@@ -1613,12 +1615,15 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget)
case XDP_PASS:
break;
case XDP_TX:
- nfp_net_tx_xdp_buf(nn, rx_ring, tx_ring, rxbuf,
- pkt_off, pkt_len);
+ if (unlikely(!nfp_net_tx_xdp_buf(nn, rx_ring,
+ tx_ring, rxbuf,
+ pkt_off, pkt_len)))
+ trace_xdp_exception(nn->netdev, xdp_prog, act);
continue;
default:
bpf_warn_invalid_xdp_action(act);
case XDP_ABORTED:
+ trace_xdp_exception(nn->netdev, xdp_prog, act);
case XDP_DROP:
nfp_net_rx_give_one(rx_ring, rxbuf->frag,
rxbuf->dma_addr);
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index 1a6ca4884fad..445d4d2492c3 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -32,6 +32,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
+#include <linux/bpf_trace.h>
#include <net/udp_tunnel.h>
#include <linux/ip.h>
#include <net/ipv6.h>
@@ -1016,6 +1017,7 @@ static bool qede_rx_xdp(struct qede_dev *edev,
/* We need the replacement buffer before transmit. */
if (qede_alloc_rx_buffer(rxq, true)) {
qede_recycle_rx_bd_ring(rxq, 1);
+ trace_xdp_exception(edev->ndev, prog, act);
return false;
}
@@ -1026,6 +1028,7 @@ static bool qede_rx_xdp(struct qede_dev *edev,
dma_unmap_page(rxq->dev, bd->mapping,
PAGE_SIZE, DMA_BIDIRECTIONAL);
__free_page(bd->data);
+ trace_xdp_exception(edev->ndev, prog, act);
}
/* Regardless, we've consumed an Rx BD */
@@ -1035,6 +1038,7 @@ static bool qede_rx_xdp(struct qede_dev *edev,
default:
bpf_warn_invalid_xdp_action(act);
case XDP_ABORTED:
+ trace_xdp_exception(edev->ndev, prog, act);
case XDP_DROP:
qede_recycle_rx_bd_ring(rxq, cqe->bd_num);
}
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 37db91d1a0a3..f9bf94887ff1 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -23,6 +23,7 @@
#include <linux/virtio.h>
#include <linux/virtio_net.h>
#include <linux/bpf.h>
+#include <linux/bpf_trace.h>
#include <linux/scatterlist.h>
#include <linux/if_vlan.h>
#include <linux/slab.h>
@@ -330,7 +331,7 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi,
return skb;
}
-static void virtnet_xdp_xmit(struct virtnet_info *vi,
+static bool virtnet_xdp_xmit(struct virtnet_info *vi,
struct receive_queue *rq,
struct send_queue *sq,
struct xdp_buff *xdp,
@@ -382,10 +383,12 @@ static void virtnet_xdp_xmit(struct virtnet_info *vi,
put_page(page);
} else /* small buffer */
kfree_skb(data);
- return; // On error abort to avoid unnecessary kick
+ /* On error abort to avoid unnecessary kick */
+ return false;
}
virtqueue_kick(sq->vq);
+ return true;
}
static u32 do_xdp_prog(struct virtnet_info *vi,
@@ -421,11 +424,14 @@ static u32 do_xdp_prog(struct virtnet_info *vi,
vi->xdp_queue_pairs +
smp_processor_id();
xdp.data = buf;
- virtnet_xdp_xmit(vi, rq, &vi->sq[qp], &xdp, data);
+ if (unlikely(!virtnet_xdp_xmit(vi, rq, &vi->sq[qp], &xdp,
+ data)))
+ trace_xdp_exception(vi->dev, xdp_prog, act);
return XDP_TX;
default:
bpf_warn_invalid_xdp_action(act);
case XDP_ABORTED:
+ trace_xdp_exception(vi->dev, xdp_prog, act);
case XDP_DROP:
return XDP_DROP;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-07 20:02:44 +0000