diff options
-rw-r--r-- | include/net/xfrm.h | 5 | ||||
-rw-r--r-- | net/ipv4/esp4_offload.c | 40 | ||||
-rw-r--r-- | net/ipv4/xfrm4_mode_transport.c | 17 | ||||
-rw-r--r-- | net/ipv4/xfrm4_mode_tunnel.c | 9 | ||||
-rw-r--r-- | net/ipv6/esp6_offload.c | 40 | ||||
-rw-r--r-- | net/ipv6/xfrm6_mode_transport.c | 17 | ||||
-rw-r--r-- | net/ipv6/xfrm6_mode_tunnel.c | 8 |
7 files changed, 78 insertions, 58 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 07966a27e4a4..de103a6d1ef8 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -449,11 +449,6 @@ struct xfrm_mode { */ int (*output2)(struct xfrm_state *x,struct sk_buff *skb); - /* - * Adjust pointers into the packet and do GSO segmentation. - */ - struct sk_buff *(*gso_segment)(struct xfrm_state *x, struct sk_buff *skb, netdev_features_t features); - struct xfrm_state_afinfo *afinfo; struct module *owner; u8 encap; diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c index c6c84f2bc41c..74d59e0177a7 100644 --- a/net/ipv4/esp4_offload.c +++ b/net/ipv4/esp4_offload.c @@ -107,6 +107,44 @@ static void esp4_gso_encap(struct xfrm_state *x, struct sk_buff *skb) xo->proto = proto; } +static struct sk_buff *xfrm4_tunnel_gso_segment(struct xfrm_state *x, + struct sk_buff *skb, + netdev_features_t features) +{ + __skb_push(skb, skb->mac_len); + return skb_mac_gso_segment(skb, features); +} + +static struct sk_buff *xfrm4_transport_gso_segment(struct xfrm_state *x, + struct sk_buff *skb, + netdev_features_t features) +{ + const struct net_offload *ops; + struct sk_buff *segs = ERR_PTR(-EINVAL); + struct xfrm_offload *xo = xfrm_offload(skb); + + skb->transport_header += x->props.header_len; + ops = rcu_dereference(inet_offloads[xo->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) +{ + switch (x->outer_mode->encap) { + case XFRM_MODE_TUNNEL: + return xfrm4_tunnel_gso_segment(x, skb, features); + case XFRM_MODE_TRANSPORT: + return xfrm4_transport_gso_segment(x, skb, features); + } + + return ERR_PTR(-EOPNOTSUPP); +} + static struct sk_buff *esp4_gso_segment(struct sk_buff *skb, netdev_features_t features) { @@ -147,7 +185,7 @@ static struct sk_buff *esp4_gso_segment(struct sk_buff *skb, xo->flags |= XFRM_GSO_SEGMENT; - return x->outer_mode->gso_segment(x, skb, esp_features); + return xfrm4_outer_mode_gso_segment(x, skb, esp_features); } static int esp_input_tail(struct xfrm_state *x, struct sk_buff *skb) diff --git a/net/ipv4/xfrm4_mode_transport.c b/net/ipv4/xfrm4_mode_transport.c index d4b34bb2de00..397863ea762b 100644 --- a/net/ipv4/xfrm4_mode_transport.c +++ b/net/ipv4/xfrm4_mode_transport.c @@ -14,24 +14,7 @@ #include <net/xfrm.h> #include <net/protocol.h> -static struct sk_buff *xfrm4_transport_gso_segment(struct xfrm_state *x, - struct sk_buff *skb, - netdev_features_t features) -{ - const struct net_offload *ops; - struct sk_buff *segs = ERR_PTR(-EINVAL); - struct xfrm_offload *xo = xfrm_offload(skb); - - skb->transport_header += x->props.header_len; - ops = rcu_dereference(inet_offloads[xo->proto]); - if (likely(ops && ops->callbacks.gso_segment)) - segs = ops->callbacks.gso_segment(skb, features); - - return segs; -} - static struct xfrm_mode xfrm4_transport_mode = { - .gso_segment = xfrm4_transport_gso_segment, .owner = THIS_MODULE, .encap = XFRM_MODE_TRANSPORT, .family = AF_INET, diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c index 8bd5112b3ee3..b5d4ba41758e 100644 --- a/net/ipv4/xfrm4_mode_tunnel.c +++ b/net/ipv4/xfrm4_mode_tunnel.c @@ -101,18 +101,9 @@ out: return err; } -static struct sk_buff *xfrm4_mode_tunnel_gso_segment(struct xfrm_state *x, - struct sk_buff *skb, - netdev_features_t features) -{ - __skb_push(skb, skb->mac_len); - return skb_mac_gso_segment(skb, features); -} - static struct xfrm_mode xfrm4_tunnel_mode = { .input2 = xfrm4_mode_tunnel_input, .output2 = xfrm4_mode_tunnel_output, - .gso_segment = xfrm4_mode_tunnel_gso_segment, .owner = THIS_MODULE, .encap = XFRM_MODE_TUNNEL, .flags = XFRM_MODE_FLAG_TUNNEL, diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index d46b4eb645c2..c793a2ace77d 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -134,6 +134,44 @@ static void esp6_gso_encap(struct xfrm_state *x, struct sk_buff *skb) xo->proto = proto; } +static struct sk_buff *xfrm6_tunnel_gso_segment(struct xfrm_state *x, + struct sk_buff *skb, + netdev_features_t features) +{ + __skb_push(skb, skb->mac_len); + return skb_mac_gso_segment(skb, features); +} + +static struct sk_buff *xfrm6_transport_gso_segment(struct xfrm_state *x, + struct sk_buff *skb, + netdev_features_t features) +{ + const struct net_offload *ops; + struct sk_buff *segs = ERR_PTR(-EINVAL); + struct xfrm_offload *xo = xfrm_offload(skb); + + skb->transport_header += x->props.header_len; + ops = rcu_dereference(inet6_offloads[xo->proto]); + if (likely(ops && ops->callbacks.gso_segment)) + segs = ops->callbacks.gso_segment(skb, features); + + return segs; +} + +static struct sk_buff *xfrm6_outer_mode_gso_segment(struct xfrm_state *x, + struct sk_buff *skb, + netdev_features_t features) +{ + switch (x->outer_mode->encap) { + case XFRM_MODE_TUNNEL: + return xfrm6_tunnel_gso_segment(x, skb, features); + case XFRM_MODE_TRANSPORT: + return xfrm6_transport_gso_segment(x, skb, features); + } + + return ERR_PTR(-EOPNOTSUPP); +} + static struct sk_buff *esp6_gso_segment(struct sk_buff *skb, netdev_features_t features) { @@ -172,7 +210,7 @@ static struct sk_buff *esp6_gso_segment(struct sk_buff *skb, xo->flags |= XFRM_GSO_SEGMENT; - return x->outer_mode->gso_segment(x, skb, esp_features); + return xfrm6_outer_mode_gso_segment(x, skb, esp_features); } static int esp6_input_tail(struct xfrm_state *x, struct sk_buff *skb) diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c index 6a72ff39bc05..d90c934c2f1a 100644 --- a/net/ipv6/xfrm6_mode_transport.c +++ b/net/ipv6/xfrm6_mode_transport.c @@ -15,24 +15,7 @@ #include <net/xfrm.h> #include <net/protocol.h> -static struct sk_buff *xfrm4_transport_gso_segment(struct xfrm_state *x, - struct sk_buff *skb, - netdev_features_t features) -{ - const struct net_offload *ops; - struct sk_buff *segs = ERR_PTR(-EINVAL); - struct xfrm_offload *xo = xfrm_offload(skb); - - skb->transport_header += x->props.header_len; - ops = rcu_dereference(inet6_offloads[xo->proto]); - if (likely(ops && ops->callbacks.gso_segment)) - segs = ops->callbacks.gso_segment(skb, features); - - return segs; -} - static struct xfrm_mode xfrm6_transport_mode = { - .gso_segment = xfrm4_transport_gso_segment, .owner = THIS_MODULE, .encap = XFRM_MODE_TRANSPORT, .family = AF_INET6, diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c index 7450dd87f27d..8e23a2fba617 100644 --- a/net/ipv6/xfrm6_mode_tunnel.c +++ b/net/ipv6/xfrm6_mode_tunnel.c @@ -101,18 +101,10 @@ out: return err; } -static struct sk_buff *xfrm6_mode_tunnel_gso_segment(struct xfrm_state *x, - struct sk_buff *skb, - netdev_features_t features) -{ - __skb_push(skb, skb->mac_len); - return skb_mac_gso_segment(skb, features); -} static struct xfrm_mode xfrm6_tunnel_mode = { .input2 = xfrm6_mode_tunnel_input, .output2 = xfrm6_mode_tunnel_output, - .gso_segment = xfrm6_mode_tunnel_gso_segment, .owner = THIS_MODULE, .encap = XFRM_MODE_TUNNEL, .flags = XFRM_MODE_FLAG_TUNNEL, |