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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:30 +0000
commit01db417e0aee3e51df4f5f3775535fd1fb15e329 (patch)
tree12d419efb27541c39ef63831e0d899339ecfef4f /net/ipv4/udp_offload.c
parentAdding debian version 5.10.209-2. (diff)
downloadlinux-01db417e0aee3e51df4f5f3775535fd1fb15e329.tar.xz
linux-01db417e0aee3e51df4f5f3775535fd1fb15e329.zip
Merging upstream version 5.10.216.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv4/udp_offload.c')
-rw-r--r--net/ipv4/udp_offload.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index f4b8e5606..445d8bc30 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -512,6 +512,11 @@ struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb,
unsigned int off = skb_gro_offset(skb);
int flush = 1;
+ /* We can do L4 aggregation only if the packet can't land in a tunnel
+ * otherwise we could corrupt the inner stream. Detecting such packets
+ * cannot be foolproof and the aggregation might still happen in some
+ * cases. Such packets should be caught in udp_unexpected_gso later.
+ */
NAPI_GRO_CB(skb)->is_flist = 0;
if (skb->dev->features & NETIF_F_GRO_FRAGLIST)
NAPI_GRO_CB(skb)->is_flist = sk ? !udp_sk(sk)->gro_enabled: 1;
@@ -668,13 +673,7 @@ INDIRECT_CALLABLE_SCOPE int udp4_gro_complete(struct sk_buff *skb, int nhoff)
skb_shinfo(skb)->gso_type |= (SKB_GSO_FRAGLIST|SKB_GSO_UDP_L4);
skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count;
- if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
- if (skb->csum_level < SKB_MAX_CSUM_LEVEL)
- skb->csum_level++;
- } else {
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->csum_level = 0;
- }
+ __skb_incr_checksum_unnecessary(skb);
return 0;
}