diff options
| author | Menglong Dong <menglong8.dong@gmail.com> | 2024-10-09 10:28:23 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-10-13 11:33:09 +0100 |
| commit | 7b3e018f3eefc6144638800d9f92b3a5e120c537 (patch) | |
| tree | 23afa2415c104cdf416892dc71a9ab741387d21c /drivers/net/vxlan/vxlan_core.c | |
| parent | 4c06d9daf8e6215447ca8a2ddd59fa09862c9bae (diff) | |
net: vxlan: make vxlan_remcsum() return drop reasons
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>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxlan/vxlan_core.c')
| -rw-r--r-- | drivers/net/vxlan/vxlan_core.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c index 40111d05d18e..e3ac46d6e148 100644 --- a/drivers/net/vxlan/vxlan_core.c +++ b/drivers/net/vxlan/vxlan_core.c @@ -1551,9 +1551,11 @@ 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) @@ -1562,15 +1564,17 @@ 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) + 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, @@ -1723,9 +1727,11 @@ static int vxlan_rcv(struct sock *sk, struct sk_buff *skb) goto drop; } - if (vs->flags & VXLAN_F_REMCSUM_RX) - if (unlikely(!vxlan_remcsum(&unparsed, skb, vs->flags))) + if (vs->flags & VXLAN_F_REMCSUM_RX) { + reason = vxlan_remcsum(&unparsed, skb, vs->flags); + if (unlikely(reason)) goto drop; + } if (vxlan_collect_metadata(vs)) { IP_TUNNEL_DECLARE_FLAGS(flags) = { }; |