diff mbox series

[net-next,2/3] net: ipgre: make erspan_rcv() return PACKET_NEXT

Message ID 20220314133312.336653-3-imagedong@tencent.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series net: gre: add skb drop reasons to gre packet receive | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Menglong Dong March 14, 2022, 1:33 p.m. UTC 
From: Menglong Dong <imagedong@tencent.com>

PACKET_NEXT is returned in ipgre_rcv() when no tunnel device found. To
report skb drop reasons, we make erspan_rcv() the same way. Therefore,
we can know that skb is dropped out of tunnel device's absence when
PACKET_NEXT is returned.

Reviewed-by: Hao Peng <flyingpeng@tencent.com>
Reviewed-by: Biao Jiang <benbjiang@tencent.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
---
 net/ipv4/ip_gre.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 99db2e41ed10..b1579d8374fd 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -341,7 +341,7 @@  static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
 		ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
 		return PACKET_RCVD;
 	}
-	return PACKET_REJECT;
+	return PACKET_NEXT;
 
 drop:
 	kfree_skb(skb);