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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 19:25:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-03 19:25:32 +0000
commite8d3ef9fa6e1265bce5992d8f77414220b39d2d9 (patch)
tree09bf132380f6d9b925db951e6521776afea25d83 /net/ipv4/udp_offload.c
parentReleasing progress-linux version 5.10.216-1progress6u1. (diff)
downloadlinux-e8d3ef9fa6e1265bce5992d8f77414220b39d2d9.tar.xz
linux-e8d3ef9fa6e1265bce5992d8f77414220b39d2d9.zip
Merging upstream version 5.10.218.
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.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 445d8bc30..a0b569d00 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -431,6 +431,7 @@ static struct sk_buff *udp_gro_receive_segment(struct list_head *head,
struct sk_buff *p;
unsigned int ulen;
int ret = 0;
+ int flush;
/* requires non zero csum, for symmetry with GSO */
if (!uh->check) {
@@ -464,13 +465,22 @@ static struct sk_buff *udp_gro_receive_segment(struct list_head *head,
return p;
}
+ flush = NAPI_GRO_CB(p)->flush;
+
+ if (NAPI_GRO_CB(p)->flush_id != 1 ||
+ NAPI_GRO_CB(p)->count != 1 ||
+ !NAPI_GRO_CB(p)->is_atomic)
+ flush |= NAPI_GRO_CB(p)->flush_id;
+ else
+ NAPI_GRO_CB(p)->is_atomic = false;
+
/* Terminate the flow on len mismatch or if it grow "too much".
* Under small packet flood GRO count could elsewhere grow a lot
* leading to excessive truesize values.
* On len mismatch merge the first packet shorter than gso_size,
* otherwise complete the GRO packet.
*/
- if (ulen > ntohs(uh2->len)) {
+ if (ulen > ntohs(uh2->len) || flush) {
pp = p;
} else {
if (NAPI_GRO_CB(skb)->is_flist) {