diff mbox series

[net-next,05/10] net: vxlan: make vxlan_remcsum() return skb drop reasons

Message ID 20240815124302.982711-6-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: 29 this patch: 29
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 29 this patch: 29
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: 30 this patch: 30
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: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-08-16--21-00 (tests: 710)

Commit Message

Menglong Dong Aug. 15, 2024, 12:42 p.m. UTC 
Make vxlan_remcsum() support skb drop reasons by changing the return
value type of it from bool to enum skb_drop_reason.

The only drop reason in vxlan_remcsum() comes from pskb_may_pull_reason(),
so we just return it.

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
---
 drivers/net/vxlan/vxlan_core.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 5785902e20ce..e971c4785962 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -1552,9 +1552,11 @@  static void vxlan_sock_release(struct vxlan_dev *vxlan)
 #endif
 }
 
-static bool vxlan_remcsum(struct vxlanhdr *unparsed,
-			  struct sk_buff *skb, u32 vxflags)
+static enum skb_drop_reason vxlan_remcsum(struct vxlanhdr *unparsed,
+					  struct sk_buff *skb,
+					  u32 vxflags)
 {
+	enum skb_drop_reason reason;
 	size_t start, offset;
 
 	if (!(unparsed->vx_flags & VXLAN_HF_RCO) || skb->remcsum_offload)
@@ -1563,15 +1565,16 @@  static bool vxlan_remcsum(struct vxlanhdr *unparsed,
 	start = vxlan_rco_start(unparsed->vx_vni);
 	offset = start + vxlan_rco_offset(unparsed->vx_vni);
 
-	if (!pskb_may_pull(skb, offset + sizeof(u16)))
-		return false;
+	reason = pskb_may_pull_reason(skb, offset + sizeof(u16));
+	if (reason != SKB_NOT_DROPPED_YET)
+		return reason;
 
 	skb_remcsum_process(skb, (void *)(vxlan_hdr(skb) + 1), start, offset,
 			    !!(vxflags & VXLAN_F_REMCSUM_NOPARTIAL));
 out:
 	unparsed->vx_flags &= ~VXLAN_HF_RCO;
 	unparsed->vx_vni &= VXLAN_VNI_MASK;
-	return true;
+	return SKB_NOT_DROPPED_YET;
 }
 
 static void vxlan_parse_gbp_hdr(struct vxlanhdr *unparsed,