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xfrm: Use the XFRM_GRO to indicate a GRO call on input

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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>
This commit is contained in:
Steffen Klassert 2023-10-04 15:05:10 +02:00
parent 1d495f1c89
commit b439475a0d
3 changed files with 4 additions and 6 deletions
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2
net/ipv4/esp4_offload.c
View File

@ -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:

2
net/ipv6/esp6_offload.c
View File

@ -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:

6
net/xfrm/xfrm_input.c
View File

@ -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)) {