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authorPaolo Abeni <pabeni@redhat.com>2021-11-30 11:08:07 +0100
committerDaniel Borkmann <daniel@iogearbox.net>2021-12-13 22:28:27 +0100
commitc8064e5b4adac5e1255cf4f3b374e75b5376e7ca (patch)
treecf13a1529985dd7b541322e17aa4260258c53116
parentbpf: Do not WARN in bpf_warn_invalid_xdp_action() (diff)
downloadwireguard-linux-c8064e5b4adac5e1255cf4f3b374e75b5376e7ca.tar.xz
wireguard-linux-c8064e5b4adac5e1255cf4f3b374e75b5376e7ca.zip
bpf: Let bpf_warn_invalid_xdp_action() report more info
In non trivial scenarios, the action id alone is not sufficient to identify the program causing the warning. Before the previous patch, the generated stack-trace pointed out at least the involved device driver. Let's additionally include the program name and id, and the relevant device name. If the user needs additional infos, he can fetch them via a kernel probe, leveraging the arguments added here. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/bpf/ddb96bb975cbfddb1546cf5da60e77d5100b533c.1638189075.git.pabeni@redhat.com
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c2
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_main.c2
-rw-r--r--drivers/net/ethernet/freescale/dpaa/dpaa_eth.c2
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c2
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.c2
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_xsk.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_xsk.c2
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c2
-rw-r--r--drivers/net/ethernet/intel/igc/igc_main.c2
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c2
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c2
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c2
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c2
-rw-r--r--drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c2
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_rx.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c2
-rw-r--r--drivers/net/ethernet/microsoft/mana/mana_bpf.c2
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_common.c2
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_fp.c2
-rw-r--r--drivers/net/ethernet/sfc/rx.c2
-rw-r--r--drivers/net/ethernet/socionext/netsec.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c2
-rw-r--r--drivers/net/ethernet/ti/cpsw_priv.c2
-rw-r--r--drivers/net/hyperv/netvsc_bpf.c2
-rw-r--r--drivers/net/tun.c2
-rw-r--r--drivers/net/veth.c4
-rw-r--r--drivers/net/virtio_net.c4
-rw-r--r--drivers/net/xen-netfront.c2
-rw-r--r--include/linux/filter.h2
-rw-r--r--kernel/bpf/cpumap.c4
-rw-r--r--kernel/bpf/devmap.c4
-rw-r--r--net/core/dev.c2
-rw-r--r--net/core/filter.c6
37 files changed, 43 insertions, 43 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 7d5d885d85d5..3b46f1df5609 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -434,7 +434,7 @@ static int ena_xdp_execute(struct ena_ring *rx_ring, struct xdp_buff *xdp)
xdp_stat = &rx_ring->rx_stats.xdp_pass;
break;
default:
- bpf_warn_invalid_xdp_action(verdict);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, verdict);
xdp_stat = &rx_ring->rx_stats.xdp_invalid;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
index c8083df5e0ab..52fad0fdeacf 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
@@ -195,7 +195,7 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
*event |= BNXT_REDIRECT_EVENT;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(bp->dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(bp->dev, xdp_prog, act);
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index bb45d5df2856..30450efccad7 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -590,7 +590,7 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog,
nicvf_xdp_sq_append_pkt(nic, sq, (u64)xdp.data, dma_addr, len);
return true;
default:
- bpf_warn_invalid_xdp_action(action);
+ bpf_warn_invalid_xdp_action(nic->netdev, prog, action);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(nic->netdev, prog, action);
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index d6871437d951..c78883c3a2c8 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -2623,7 +2623,7 @@ static u32 dpaa_run_xdp(struct dpaa_priv *priv, struct qm_fd *fd, void *vaddr,
}
break;
default:
- bpf_warn_invalid_xdp_action(xdp_act);
+ bpf_warn_invalid_xdp_action(priv->net_dev, xdp_prog, xdp_act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(priv->net_dev, xdp_prog, xdp_act);
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 8e643567abce..d21ba70ef4a3 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -374,7 +374,7 @@ static u32 dpaa2_eth_run_xdp(struct dpaa2_eth_priv *priv,
dpaa2_eth_xdp_enqueue(priv, ch, fd, vaddr, rx_fq->flowid);
break;
default:
- bpf_warn_invalid_xdp_action(xdp_act);
+ bpf_warn_invalid_xdp_action(priv->net_dev, xdp_prog, xdp_act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(priv->net_dev, xdp_prog, xdp_act);
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index 504e12554079..eacb41f86bdb 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -1547,7 +1547,7 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring,
switch (xdp_act) {
default:
- bpf_warn_invalid_xdp_action(xdp_act);
+ bpf_warn_invalid_xdp_action(rx_ring->ndev, prog, xdp_act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(rx_ring->ndev, prog, xdp_act);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 10a83e5385c7..b399ca649f09 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -2322,7 +2322,7 @@ static int i40e_run_xdp(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
result = I40E_XDP_REDIR;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index ea06e957393e..945b1bb9c6f4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -176,7 +176,7 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
goto out_failure;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index bc3ba19dc88f..56940bb908bc 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -561,7 +561,7 @@ ice_run_xdp(struct ice_rx_ring *rx_ring, struct xdp_buff *xdp,
goto out_failure;
return ICE_XDP_REDIR;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c
index bb9a80847298..ef4b213881f3 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.c
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.c
@@ -483,7 +483,7 @@ ice_run_xdp_zc(struct ice_rx_ring *rx_ring, struct xdp_buff *xdp,
goto out_failure;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index dd208930fbe4..337a7197e96f 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -8422,7 +8422,7 @@ static struct sk_buff *igb_run_xdp(struct igb_adapter *adapter,
result = IGB_XDP_REDIR;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(adapter->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 142c57b7a451..7f2ce4b256d9 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -2241,7 +2241,7 @@ static int __igc_xdp_run_prog(struct igc_adapter *adapter,
return IGC_XDP_REDIRECT;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(adapter->netdev, prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 0f9f022260d7..265bc52aacf8 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2235,7 +2235,7 @@ static struct sk_buff *ixgbe_run_xdp(struct ixgbe_adapter *adapter,
result = IXGBE_XDP_REDIR;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index db2bc58dfcfd..b3fd8e5cd85b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -131,7 +131,7 @@ static int ixgbe_run_xdp_zc(struct ixgbe_adapter *adapter,
goto out_failure;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index b1dfbaff8b31..2459ecf65125 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1070,7 +1070,7 @@ static struct sk_buff *ixgbevf_run_xdp(struct ixgbevf_adapter *adapter,
goto out_failure;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rx_ring->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
out_failure:
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index ce810fc3c1a2..23cc4b874285 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2239,7 +2239,7 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
mvneta_xdp_put_buff(pp, rxq, xdp, sinfo, sync);
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(pp->dev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(pp->dev, prog, act);
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 8e5820d12362..7273a4c9dbb1 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -3823,7 +3823,7 @@ mvpp2_run_xdp(struct mvpp2_port *port, struct bpf_prog *prog,
}
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(port->dev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(port->dev, prog, act);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 0cc6353254bf..7c4068c5d1ac 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -1198,7 +1198,7 @@ static bool otx2_xdp_rcv_pkt_handler(struct otx2_nic *pfvf,
put_page(page);
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(pfvf->netdev, prog, act);
break;
case XDP_ABORTED:
trace_xdp_exception(pfvf->netdev, prog, act);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 650e6a1844ae..8cfc649f226b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -812,7 +812,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
trace_xdp_exception(dev, xdp_prog, act);
goto xdp_drop_no_cnt; /* Drop on xmit failure */
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(dev, xdp_prog, act);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
index 2f0df5cc1a2d..338d65e2c9ce 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
@@ -151,7 +151,7 @@ bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di,
rq->stats->xdp_redirect++;
return true;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rq->netdev, prog, act);
fallthrough;
case XDP_ABORTED:
xdp_abort:
diff --git a/drivers/net/ethernet/microsoft/mana/mana_bpf.c b/drivers/net/ethernet/microsoft/mana/mana_bpf.c
index 1bc8ff388341..1d2f948b5c00 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_bpf.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_bpf.c
@@ -60,7 +60,7 @@ u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq,
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(ndev, prog, act);
}
out:
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 6e38da4ad554..79257ec41987 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -1944,7 +1944,7 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget)
xdp_prog, act);
continue;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(dp->netdev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(dp->netdev, xdp_prog, act);
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index 5ea9cb4311a1..b242000a77fd 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -1153,7 +1153,7 @@ static bool qede_rx_xdp(struct qede_dev *edev,
qede_rx_bd_ring_consume(rxq);
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(edev->ndev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(edev->ndev, prog, act);
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 606750938b89..2375cef577e4 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -338,7 +338,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel,
break;
default:
- bpf_warn_invalid_xdp_action(xdp_act);
+ bpf_warn_invalid_xdp_action(efx->net_dev, xdp_prog, xdp_act);
efx_free_rx_buffers(rx_queue, rx_buf, 1);
channel->n_rx_xdp_bad_drops++;
trace_xdp_exception(efx->net_dev, xdp_prog, xdp_act);
diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index de7d8bf2c226..25dcd8eda5fc 100644
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -933,7 +933,7 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog,
}
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(priv->ndev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(priv->ndev, prog, act);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 4e05c1d92935..7f62ddc90088 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4714,7 +4714,7 @@ static int __stmmac_xdp_run_prog(struct stmmac_priv *priv,
res = STMMAC_XDP_REDIRECT;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(priv->dev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(priv->dev, prog, act);
diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c
index c99dd9735087..67c4009fd16c 100644
--- a/drivers/net/ethernet/ti/cpsw_priv.c
+++ b/drivers/net/ethernet/ti/cpsw_priv.c
@@ -1366,7 +1366,7 @@ int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
xdp_do_flush_map();
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(ndev, prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(ndev, prog, act);
diff --git a/drivers/net/hyperv/netvsc_bpf.c b/drivers/net/hyperv/netvsc_bpf.c
index aa877da113f8..7856905414eb 100644
--- a/drivers/net/hyperv/netvsc_bpf.c
+++ b/drivers/net/hyperv/netvsc_bpf.c
@@ -68,7 +68,7 @@ u32 netvsc_run_xdp(struct net_device *ndev, struct netvsc_channel *nvchan,
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(ndev, prog, act);
}
out:
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 1572878c3403..0e5d2272f63a 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1551,7 +1551,7 @@ static int tun_xdp_act(struct tun_struct *tun, struct bpf_prog *xdp_prog,
case XDP_PASS:
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(tun->dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(tun->dev, xdp_prog, act);
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 38f6da24f460..700cc9374f9c 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -644,7 +644,7 @@ static struct xdp_frame *veth_xdp_rcv_one(struct veth_rq *rq,
rcu_read_unlock();
goto xdp_xmit;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rq->dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(rq->dev, xdp_prog, act);
@@ -794,7 +794,7 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq,
rcu_read_unlock();
goto xdp_xmit;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(rq->dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(rq->dev, xdp_prog, act);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 088d9404c93d..d3e0b3a533cd 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -812,7 +812,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
rcu_read_unlock();
goto xdp_xmit;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(vi->dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(vi->dev, xdp_prog, act);
@@ -1025,7 +1025,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
rcu_read_unlock();
goto xdp_xmit;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(vi->dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(vi->dev, xdp_prog, act);
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 911f43986a8c..7b7eb617051a 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -930,7 +930,7 @@ static u32 xennet_run_xdp(struct netfront_queue *queue, struct page *pdata,
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(queue->info->netdev, prog, act);
}
return act;
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 68c6b5c208e7..60eec80fa1d4 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -1027,7 +1027,7 @@ void xdp_do_flush(void);
*/
#define xdp_do_flush_map xdp_do_flush
-void bpf_warn_invalid_xdp_action(u32 act);
+void bpf_warn_invalid_xdp_action(struct net_device *dev, struct bpf_prog *prog, u32 act);
#ifdef CONFIG_INET
struct sock *bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk,
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 585b2b77ccc4..0421061d95f1 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -195,7 +195,7 @@ static void cpu_map_bpf_prog_run_skb(struct bpf_cpu_map_entry *rcpu,
}
return;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(NULL, rcpu->prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(skb->dev, rcpu->prog, act);
@@ -254,7 +254,7 @@ static int cpu_map_bpf_prog_run_xdp(struct bpf_cpu_map_entry *rcpu,
}
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(NULL, rcpu->prog, act);
fallthrough;
case XDP_DROP:
xdp_return_frame(xdpf);
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index f02d04540c0c..6feea293ff10 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -348,7 +348,7 @@ static int dev_map_bpf_prog_run(struct bpf_prog *xdp_prog,
frames[nframes++] = xdpf;
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(NULL, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(dev, xdp_prog, act);
@@ -507,7 +507,7 @@ static u32 dev_map_bpf_prog_run_skb(struct sk_buff *skb, struct bpf_dtab_netdev
__skb_push(skb, skb->mac_len);
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(NULL, dst->xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(dst->dev, dst->xdp_prog, act);
diff --git a/net/core/dev.c b/net/core/dev.c
index 4420086f3aeb..c431c8925eed 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4708,7 +4708,7 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb,
case XDP_PASS:
break;
default:
- bpf_warn_invalid_xdp_action(act);
+ bpf_warn_invalid_xdp_action(skb->dev, xdp_prog, act);
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(skb->dev, xdp_prog, act);
diff --git a/net/core/filter.c b/net/core/filter.c
index ad8619aa77b7..3f656391af7e 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -8180,13 +8180,13 @@ static bool xdp_is_valid_access(int off, int size,
return __is_valid_xdp_access(off, size);
}
-void bpf_warn_invalid_xdp_action(u32 act)
+void bpf_warn_invalid_xdp_action(struct net_device *dev, struct bpf_prog *prog, u32 act)
{
const u32 act_max = XDP_REDIRECT;
- pr_warn_once("%s XDP return value %u, expect packet loss!\n",
+ pr_warn_once("%s XDP return value %u on prog %s (id %d) dev %s, expect packet loss!\n",
act > act_max ? "Illegal" : "Driver unsupported",
- act);
+ act, prog->aux->name, prog->aux->id, dev ? dev->name : "N/A");
}
EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_action);