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net: tcp: use tcp_drop_reason() for tcp_rcv_established()

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Replace tcp_drop() used in tcp_rcv_established() with tcp_drop_reason().
Following drop reasons are added:

SKB_DROP_REASON_TCP_FLAGS

Reviewed-by: Mengen Sun <mengensun@tencent.com>
Reviewed-by: Hao Peng <flyingpeng@tencent.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Menglong Dong 2022-02-20 15:06:35 +08:00 • committed by David S. Miller
parent 8eba65fa5f
commit 2a968ef60e
3 changed files with 9 additions and 2 deletions
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1
include/linux/skbuff.h
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@ -362,6 +362,7 @@ enum skb_drop_reason {
* backlog (see
* LINUX_MIB_TCPBACKLOGDROP)
*/
SKB_DROP_REASON_TCP_FLAGS, /* TCP flags invalid */
SKB_DROP_REASON_MAX,
};