[PATCH net-next 17/19] net: dev: use kfree_skb_reason() for do_xdp_generic()
From: <hidden>
Date: 2022-02-15 11:33:39
Also in:
bpf, lkml
Subsystem:
networking [general], the rest, tracing · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Steven Rostedt, Masami Hiramatsu
From: Menglong Dong <redacted> Replace kfree_skb() used in do_xdp_generic() with kfree_skb_reason(). The drop reason SKB_DROP_REASON_XDP is introduced for this case. Signed-off-by: Menglong Dong <redacted> --- 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 d59fdcd98278..79b24d5f491d 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h@@ -410,6 +410,7 @@ enum skb_drop_reason { * full (see netdev_max_backlog in * net.rst) or RPS flow limit */ + SKB_DROP_REASON_XDP, /* dropped by XDP in input path */ SKB_DROP_REASON_MAX, };
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
index a1c235daf23b..7bc46414a81b 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h@@ -46,6 +46,7 @@ EM(SKB_DROP_REASON_QDISC_EGRESS, QDISC_EGRESS) \ EM(SKB_DROP_REASON_QDISC_DROP, QDISC_DROP) \ EM(SKB_DROP_REASON_CPU_BACKLOG, CPU_BACKLOG) \ + EM(SKB_DROP_REASON_XDP, XDP) \ EMe(SKB_DROP_REASON_MAX, MAX) #undef EM
diff --git a/net/core/dev.c b/net/core/dev.c
index 8fee7adfca88..a2548b7f2708 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c@@ -4783,7 +4783,7 @@ int do_xdp_generic(struct bpf_prog *xdp_prog, struct sk_buff *skb) } return XDP_PASS; out_redir: - kfree_skb(skb); + kfree_skb_reason(skb, SKB_DROP_REASON_XDP); return XDP_DROP; } EXPORT_SYMBOL_GPL(do_xdp_generic);
--
2.34.1