diff mbox series

[net-next,v3,1/4] skbuff: introduce kfree_skb_list_reason()

Message ID 20220221053440.7320-2-dongli.zhang@oracle.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series tun/tap: use kfree_skb_reason() to trace dropped skb | 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: 5979 this patch: 5979
netdev/cc_maintainers warning 6 maintainers not CCed: kpsingh@kernel.org john.fastabend@gmail.com kafai@fb.com songliubraving@fb.com keescook@chromium.org yhs@fb.com
netdev/build_clang success Errors and warnings before: 878 this patch: 878
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, 32 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Dongli Zhang Feb. 21, 2022, 5:34 a.m. UTC 
This is to introduce kfree_skb_list_reason() to drop a list of sk_buff with
a specific reason.

Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
---
 include/linux/skbuff.h |  2 ++
 net/core/skbuff.c      | 11 +++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

Comments

David Ahern Feb. 22, 2022, 3:20 a.m. UTC | #1 
On 2/20/22 10:34 PM, Dongli Zhang wrote:
> This is to introduce kfree_skb_list_reason() to drop a list of sk_buff with
> a specific reason.
> 
> Cc: Joao Martins <joao.m.martins@oracle.com>
> Cc: Joe Jin <joe.jin@oracle.com>
> Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
> ---
>  include/linux/skbuff.h |  2 ++
>  net/core/skbuff.c      | 11 +++++++++--
>  2 files changed, 11 insertions(+), 2 deletions(-)
> 
>

Reviewed-by: David Ahern <dsahern@kernel.org>
diff mbox series

Patch

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index a3e90ef..87ebe2f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1176,6 +1176,8 @@  static inline void kfree_skb(struct sk_buff *skb)
 }
 
 void skb_release_head_state(struct sk_buff *skb);
+void kfree_skb_list_reason(struct sk_buff *segs,
+			   enum skb_drop_reason reason);
 void kfree_skb_list(struct sk_buff *segs);
 void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt);
 void skb_tx_error(struct sk_buff *skb);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 9d0388be..dfdd71e 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -777,15 +777,22 @@  void kfree_skb_reason(struct sk_buff *skb, enum skb_drop_reason reason)
 }
 EXPORT_SYMBOL(kfree_skb_reason);
 
-void kfree_skb_list(struct sk_buff *segs)
+void kfree_skb_list_reason(struct sk_buff *segs,
+			   enum skb_drop_reason reason)
 {
 	while (segs) {
 		struct sk_buff *next = segs->next;
 
-		kfree_skb(segs);
+		kfree_skb_reason(segs, reason);
 		segs = next;
 	}
 }
+EXPORT_SYMBOL(kfree_skb_list_reason);
+
+void kfree_skb_list(struct sk_buff *segs)
+{
+	kfree_skb_list_reason(segs, SKB_DROP_REASON_NOT_SPECIFIED);
+}
 EXPORT_SYMBOL(kfree_skb_list);
 
 /* Dump skb information and contents.