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authorMenglong Dong <imagedong@tencent.com>2022-02-20 15:06:36 +0800
committerDavid S. Miller <davem@davemloft.net>2022-02-20 13:55:31 +0000
commita7ec381049c0d1f03e342063d75f5c3b314d0ec2 (patch)
tree3da55283aa998066521ac9367364d162a49d7cdd /include/trace
parent2a968ef60e1fac4e694d9f60ce19a3b66b40e8c3 (diff)
net: tcp: use tcp_drop_reason() for tcp_data_queue()
Replace tcp_drop() used in tcp_data_queue() with tcp_drop_reason(). Following drop reasons are introduced: SKB_DROP_REASON_TCP_ZEROWINDOW SKB_DROP_REASON_TCP_OLD_DATA SKB_DROP_REASON_TCP_OVERWINDOW SKB_DROP_REASON_TCP_OLD_DATA is used for the case that end_seq of skb less than the left edges of receive window. (Maybe there is a better name?) 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>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/skb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
index d332e7313a61..cc1c8f7eaf72 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h
@@ -33,6 +33,9 @@
EM(SKB_DROP_REASON_TCP_MD5FAILURE, TCP_MD5FAILURE) \
EM(SKB_DROP_REASON_SOCKET_BACKLOG, SOCKET_BACKLOG) \
EM(SKB_DROP_REASON_TCP_FLAGS, TCP_FLAGS) \
+ EM(SKB_DROP_REASON_TCP_ZEROWINDOW, TCP_ZEROWINDOW) \
+ EM(SKB_DROP_REASON_TCP_OLD_DATA, TCP_OLD_DATA) \
+ EM(SKB_DROP_REASON_TCP_OVERWINDOW, TCP_OVERWINDOW) \
EMe(SKB_DROP_REASON_MAX, MAX)
#undef EM