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authorMenglong Dong <imagedong@tencent.com>2022-03-04 14:00:45 +0800
committerDavid S. Miller <davem@davemloft.net>2022-03-04 12:17:11 +0000
commita568aff26ac03ee9eb1482683514914a5ec3b4c3 (patch)
treeaa45bf487e0ef3bd8e049408b541ced08d0cfdf2
parent7e726ed81e1ddd5fdc431e02b94fcfe2a9876d42 (diff)
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 <imagedong@tencent.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/skbuff.h1
-rw-r--r--include/trace/events/skb.h1
-rw-r--r--net/core/dev.c2
3 files changed, 3 insertions, 1 deletions
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: