From a568aff26ac03ee9eb1482683514914a5ec3b4c3 Mon Sep 17 00:00:00 2001 From: Menglong Dong Date: Fri, 4 Mar 2022 14:00:45 +0800 Subject: [PATCH] net: dev: use kfree_skb_reason() for sch_handle_ingress() Replace kfree_skb() used in sch_handle_ingress() with kfree_skb_reason(). Following drop reasons are introduced: SKB_DROP_REASON_TC_INGRESS Signed-off-by: Menglong Dong Signed-off-by: David S. Miller --- include/linux/skbuff.h | 1 + include/trace/events/skb.h | 1 + net/core/dev.c | 2 +- 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 7a38d0f90cef..6b14b2d297d2 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -406,6 +406,7 @@ enum skb_drop_reason { * net.rst) or RPS flow limit */ SKB_DROP_REASON_XDP, /* dropped by XDP in input path */ + SKB_DROP_REASON_TC_INGRESS, /* dropped in TC ingress HOOK */ SKB_DROP_REASON_MAX, }; diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h index 8c4c343c830f..514dd2de8776 100644 --- a/include/trace/events/skb.h +++ b/include/trace/events/skb.h @@ -49,6 +49,7 @@ EM(SKB_DROP_REASON_QDISC_DROP, QDISC_DROP) \ EM(SKB_DROP_REASON_CPU_BACKLOG, CPU_BACKLOG) \ EM(SKB_DROP_REASON_XDP, XDP) \ + EM(SKB_DROP_REASON_TC_INGRESS, TC_INGRESS) \ EMe(SKB_DROP_REASON_MAX, MAX) #undef EM diff --git a/net/core/dev.c b/net/core/dev.c index f449834a63df..ba7580ccee94 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5041,7 +5041,7 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret, break; case TC_ACT_SHOT: mini_qdisc_qstats_cpu_drop(miniq); - kfree_skb(skb); + kfree_skb_reason(skb, SKB_DROP_REASON_TC_INGRESS); return NULL; case TC_ACT_STOLEN: case TC_ACT_QUEUED: -- 2.11.0