diff options
Diffstat (limited to 'net/ipv4/esp4_offload.c')
| -rw-r--r-- | net/ipv4/esp4_offload.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c index e2e219c7854a..731022cff600 100644 --- a/net/ipv4/esp4_offload.c +++ b/net/ipv4/esp4_offload.c @@ -132,6 +132,36 @@ static struct sk_buff *xfrm4_transport_gso_segment(struct xfrm_state *x, return segs; } +static struct sk_buff *xfrm4_beet_gso_segment(struct xfrm_state *x, + struct sk_buff *skb, + netdev_features_t features) +{ + struct xfrm_offload *xo = xfrm_offload(skb); + struct sk_buff *segs = ERR_PTR(-EINVAL); + const struct net_offload *ops; + int proto = xo->proto; + + skb->transport_header += x->props.header_len; + + if (proto == IPPROTO_BEETPH) { + struct ip_beet_phdr *ph = (struct ip_beet_phdr *)skb->data; + + skb->transport_header += ph->hdrlen * 8; + proto = ph->nexthdr; + } else if (x->sel.family != AF_INET6) { + skb->transport_header -= IPV4_BEET_PHMAXLEN; + } else if (proto == IPPROTO_TCP) { + skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV4; + } + + __skb_pull(skb, skb_transport_offset(skb)); + ops = rcu_dereference(inet_offloads[proto]); + if (likely(ops && ops->callbacks.gso_segment)) + segs = ops->callbacks.gso_segment(skb, features); + + return segs; +} + static struct sk_buff *xfrm4_outer_mode_gso_segment(struct xfrm_state *x, struct sk_buff *skb, netdev_features_t features) @@ -141,6 +171,8 @@ static struct sk_buff *xfrm4_outer_mode_gso_segment(struct xfrm_state *x, return xfrm4_tunnel_gso_segment(x, skb, features); case XFRM_MODE_TRANSPORT: return xfrm4_transport_gso_segment(x, skb, features); + case XFRM_MODE_BEET: + return xfrm4_beet_gso_segment(x, skb, features); } return ERR_PTR(-EOPNOTSUPP); |