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[v4,net-next,1/7] net: skb_drop_reason: add document for drop reasons

Message ID 20220205074739.543606-2-imagedong@tencent.com (mailing list archive)
State Accepted
Commit 88590b369354092183bcba04e2368010c462557f
Delegated to: Netdev Maintainers
Headers show
Series net: use kfree_skb_reason() for ip/udp 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: 5977 this patch: 5977
netdev/cc_maintainers success CCed 3 of 3 maintainers
netdev/build_clang success Errors and warnings before: 879 this patch: 879
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: 6130 this patch: 6130
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 18 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 Feb. 5, 2022, 7:47 a.m. UTC 
From: Menglong Dong <imagedong@tencent.com>

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: Menglong Dong <imagedong@tencent.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
---
 include/linux/skbuff.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
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Patch

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index a27bcc4f7e9a..f04e3a1f4455 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -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,
 };