On Fri, Feb 18, 2022 at 12:32 AM <menglong8.dong@xxxxxxxxx> wrote: > > From: Menglong Dong <imagedong@xxxxxxxxxxx> > > In the commit c504e5c2f964 ("net: skb: introduce kfree_skb_reason()"), > we added the support of reporting the reasons of skb drops to kfree_skb > tracepoint. And in this series patches, reasons for skb drops are added > to TCP layer (both TCPv4 and TCPv6 are considered). > Following functions are processed: > > > /* SKB_DROP_REASON_TCP_MD5* corresponding to LINUX_MIB_TCPMD5* */ > SKB_DROP_REASON_TCP_MD5NOTFOUND > SKB_DROP_REASON_TCP_MD5UNEXPECTED > SKB_DROP_REASON_TCP_MD5FAILURE > SKB_DROP_REASON_SOCKET_BACKLOG > SKB_DROP_REASON_TCP_FLAGS > SKB_DROP_REASON_TCP_ZEROWINDOW > SKB_DROP_REASON_TCP_OLD_DATA > SKB_DROP_REASON_TCP_OVERWINDOW > /* corresponding to LINUX_MIB_TCPOFOMERGE */ > SKB_DROP_REASON_TCP_OFOMERGE > For the whole series: Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx> Thanks !