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authorSteffen Klassert <steffen.klassert@secunet.com>2023-10-04 15:05:10 +0200
committerSteffen Klassert <steffen.klassert@secunet.com>2023-10-06 07:29:52 +0200
commitb439475a0dba2b50fb39a6356069969780e45fd4 (patch)
treea07a5af2de56676b4dd58e649a7c17bb9ba3836c
parent1d495f1c896cfa8c78e7a858119e2fbfcbd0925e (diff)
xfrm: Use the XFRM_GRO to indicate a GRO call on input
This is needed to support GRO for ESP in UDP encapsulation. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Co-developed-by: Antony Antony <antony.antony@secunet.com> Signed-off-by: Antony Antony <antony.antony@secunet.com> Reviewed-by: Eyal Birger <eyal.birger@gmail.com>
-rw-r--r--net/ipv4/esp4_offload.c2
-rw-r--r--net/ipv6/esp6_offload.c2
-rw-r--r--net/xfrm/xfrm_input.c6
3 files changed, 4 insertions, 6 deletions
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index 10e96ed6c9e3..5b487d12d0cf 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -77,7 +77,7 @@ static struct sk_buff *esp4_gro_receive(struct list_head *head,
/* We don't need to handle errors from xfrm_input, it does all
* the error handling and frees the resources on error. */
- xfrm_input(skb, IPPROTO_ESP, spi, -2);
+ xfrm_input(skb, IPPROTO_ESP, spi, 0);
return ERR_PTR(-EINPROGRESS);
out_reset:
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index a189e08370a5..19ff2bceb4e1 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -104,7 +104,7 @@ static struct sk_buff *esp6_gro_receive(struct list_head *head,
/* We don't need to handle errors from xfrm_input, it does all
* the error handling and frees the resources on error. */
- xfrm_input(skb, IPPROTO_ESP, spi, -2);
+ xfrm_input(skb, IPPROTO_ESP, spi, 0);
return ERR_PTR(-EINPROGRESS);
out_reset:
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index d5ee96789d4b..bd4ce21d76d7 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -462,7 +462,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
struct xfrm_offload *xo = xfrm_offload(skb);
struct sec_path *sp;
- if (encap_type < 0) {
+ if (encap_type < 0 || (xo && xo->flags & XFRM_GRO)) {
x = xfrm_input_state(skb);
if (unlikely(x->km.state != XFRM_STATE_VALID)) {
@@ -485,9 +485,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
seq = XFRM_SKB_CB(skb)->seq.input.low;
goto resume;
}
-
- /* encap_type < -1 indicates a GRO call. */
- encap_type = 0;
+ /* GRO call */
seq = XFRM_SPI_SKB_CB(skb)->seq;
if (xo && (xo->flags & CRYPTO_DONE)) {