Commit 88590b36 authored by Menglong Dong's avatar Menglong Dong Committed by David S. Miller
Browse files

net: skb_drop_reason: add document for drop reasons 



Add document for following existing drop reasons:

SKB_DROP_REASON_NOT_SPECIFIED
SKB_DROP_REASON_NO_SOCKET
SKB_DROP_REASON_PKT_TOO_SMALL
SKB_DROP_REASON_TCP_CSUM
SKB_DROP_REASON_SOCKET_FILTER
SKB_DROP_REASON_UDP_CSUM

Signed-off-by: default avatarMenglong Dong <imagedong@tencent.com>
Reviewed-by: default avatarDavid Ahern <dsahern@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c2d1e3df

include/linux/skbuff.h

+6 −6
Original line number Diff line number Diff line
@@ -314,12 +314,12 @@ struct sk_buff; 
 * used to translate the reason to string.

 */

enum skb_drop_reason {

	SKB_DROP_REASON_NOT_SPECIFIED,

	SKB_DROP_REASON_NO_SOCKET,

	SKB_DROP_REASON_PKT_TOO_SMALL,

	SKB_DROP_REASON_TCP_CSUM,

	SKB_DROP_REASON_SOCKET_FILTER,

	SKB_DROP_REASON_UDP_CSUM,

	SKB_DROP_REASON_NOT_SPECIFIED,	/* drop reason is not specified */

	SKB_DROP_REASON_NO_SOCKET,	/* socket not found */

	SKB_DROP_REASON_PKT_TOO_SMALL,	/* packet size is too small */

	SKB_DROP_REASON_TCP_CSUM,	/* TCP checksum error */

	SKB_DROP_REASON_SOCKET_FILTER,	/* dropped by socket filter */

	SKB_DROP_REASON_UDP_CSUM,	/* UDP checksum error */

	SKB_DROP_REASON_MAX,

};