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net: socket: rename SKB_DROP_REASON_SOCKET_FILTER

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Rename SKB_DROP_REASON_SOCKET_FILTER, which is used
as the reason of skb drop out of socket filter before
it's part of a released kernel. It will be used for
more protocols than just TCP in future series.

Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/all/20220127091308.91401-2-imagedong@tencent.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Menglong Dong 2022-01-27 17:13:01 +08:00 committed by Jakub Kicinski
parent 3c42b20198
commit 364df53c08
3 changed files with 3 additions and 3 deletions
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2
include/linux/skbuff.h
View file

@ -318,7 +318,7 @@ enum skb_drop_reason {
SKB_DROP_REASON_NO_SOCKET,
SKB_DROP_REASON_PKT_TOO_SMALL,
SKB_DROP_REASON_TCP_CSUM,
SKB_DROP_REASON_TCP_FILTER,
SKB_DROP_REASON_SOCKET_FILTER,
SKB_DROP_REASON_UDP_CSUM,
SKB_DROP_REASON_MAX,
};

2
include/trace/events/skb.h
View file

@ -14,7 +14,7 @@
EM(SKB_DROP_REASON_NO_SOCKET, NO_SOCKET) \
EM(SKB_DROP_REASON_PKT_TOO_SMALL, PKT_TOO_SMALL) \
EM(SKB_DROP_REASON_TCP_CSUM, TCP_CSUM) \
EM(SKB_DROP_REASON_TCP_FILTER, TCP_FILTER) \
EM(SKB_DROP_REASON_SOCKET_FILTER, SOCKET_FILTER) \
EM(SKB_DROP_REASON_UDP_CSUM, UDP_CSUM) \
EMe(SKB_DROP_REASON_MAX, MAX)

2
net/ipv4/tcp_ipv4.c
View file

@ -2095,7 +2095,7 @@ int tcp_v4_rcv(struct sk_buff *skb)
nf_reset_ct(skb);
if (tcp_filter(sk, skb)) {
drop_reason = SKB_DROP_REASON_TCP_FILTER;
drop_reason = SKB_DROP_REASON_SOCKET_FILTER;
goto discard_and_relse;
}
th = (const struct tcphdr *)skb->data;