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Index: sys/dev/mlx5/mlx5_en/en.h
===================================================================
--- sys/dev/mlx5/mlx5_en/en.h
+++ sys/dev/mlx5/mlx5_en/en.h
@@ -48,6 +48,7 @@
#include <netinet/tcp_lro.h>
#include <netinet/udp.h>
#include <net/ethernet.h>
+#include <net/pfil.h>
#include <sys/buf_ring.h>
#include <sys/kthread.h>
@@ -838,6 +839,7 @@
struct mlx5e_clbr_point clbr_points[2];
u_int clbr_gen;
+ struct pfil_head *pfil;
struct mlx5e_channel channel[];
};
Index: sys/dev/mlx5/mlx5_en/mlx5_en_main.c
===================================================================
--- sys/dev/mlx5/mlx5_en/mlx5_en_main.c
+++ sys/dev/mlx5/mlx5_en/mlx5_en_main.c
@@ -3664,6 +3664,7 @@
struct sysctl_oid_list *child;
int ncv = mdev->priv.eq_table.num_comp_vectors;
char unit[16];
+ struct pfil_head_args pa;
int err;
int i;
u32 eth_proto_cap;
@@ -3898,6 +3899,12 @@
callout_init(&priv->tstmp_clbr, CALLOUT_DIRECT);
mlx5e_reset_calibration_callout(priv);
+ pa.pa_version = PFIL_VERSION;
+ pa.pa_flags = PFIL_IN;
+ pa.pa_type = PFIL_TYPE_ETHERNET;
+ pa.pa_headname = ifp->if_xname;
+ priv->pfil = pfil_head_register(&pa);
+
return (priv);
#ifdef RATELIMIT
@@ -3940,6 +3947,12 @@
/* XXX wait a bit to allow IOCTL handlers to complete */
pause("W", hz);
+ /* deregister pfil */
+ if (priv->pfil != NULL) {
+ pfil_head_unregister(priv->pfil);
+ priv->pfil = NULL;
+ }
+
#ifdef RATELIMIT
/*
* The kernel can have reference(s) via the m_snd_tag's into
Index: sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
===================================================================
--- sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
+++ sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
@@ -462,6 +462,21 @@
rq->stats.wqe_err++;
goto wq_ll_pop;
}
+ if (PFIL_HOOKED_IN(rq->channel->priv->pfil)) {
+ int rv;
+
+ rv = pfil_run_hooks(rq->channel->priv->pfil,
+ rq->mbuf[wqe_counter].data, rq->ifp,
+ byte_cnt | PFIL_MEMPTR | PFIL_IN, NULL);
+
+ KASSERT(rv != PFIL_REALLOCED,
+ ("Filter did something we don't support yet"));
+
+ if (rv != PFIL_PASS) {
+ rq->stats.packets++;
+ goto wq_ll_pop;
+ }
+ }
if ((MHLEN - MLX5E_NET_IP_ALIGN) >= byte_cnt &&
(mb = m_gethdr(M_NOWAIT, MT_DATA)) != NULL) {
#if (MLX5E_MAX_RX_SEGS != 1)

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