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[net-next,v3,01/12] net: skb: add pskb_network_may_pull_reason() helper

Message ID 20240909071652.3349294-2-dongml2@chinatelecom.cn (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series net: vxlan: add skb drop reasons support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 58 this patch: 58
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/build_clang success Errors and warnings before: 116 this patch: 116
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4957 this patch: 4957
netdev/checkpatch warning WARNING: From:/Signed-off-by: email address mismatch: 'From: Menglong Dong <menglong8.dong@gmail.com>' != 'Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>'
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 59 this patch: 59
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-09-09--21-00 (tests: 722)

Commit Message

Menglong Dong Sept. 9, 2024, 7:16 a.m. UTC 
Introduce the function pskb_network_may_pull_reason() and make
pskb_network_may_pull() a simple inline call to it. The drop reasons of
it just come from pskb_may_pull_reason.

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
---
 include/linux/skbuff.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index cf8f6ce06742..fe6f97b550fc 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3114,9 +3114,15 @@  static inline int skb_inner_network_offset(const struct sk_buff *skb)
 	return skb_inner_network_header(skb) - skb->data;
 }
 
+static inline enum skb_drop_reason
+pskb_network_may_pull_reason(struct sk_buff *skb, unsigned int len)
+{
+	return pskb_may_pull_reason(skb, skb_network_offset(skb) + len);
+}
+
 static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len)
 {
-	return pskb_may_pull(skb, skb_network_offset(skb) + len);
+	return pskb_network_may_pull_reason(skb, len) == SKB_NOT_DROPPED_YET;
 }
 
 /*