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-rw-r--r--include/net/esp.h16
-rw-r--r--net/ipv4/esp4.c16
-rw-r--r--net/ipv4/esp4_offload.c32
-rw-r--r--net/ipv6/esp6.c16
-rw-r--r--net/ipv6/esp6_offload.c36
-rw-r--r--net/xfrm/xfrm_device.c28
-rw-r--r--net/xfrm/xfrm_state.c2
7 files changed, 112 insertions, 34 deletions
diff --git a/include/net/esp.h b/include/net/esp.h
index 117652eb6ea3..9c5637d41d95 100644
--- a/include/net/esp.h
+++ b/include/net/esp.h
@@ -11,6 +11,22 @@ static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
return (struct ip_esp_hdr *)skb_transport_header(skb);
}
+static inline void esp_output_fill_trailer(u8 *tail, int tfclen, int plen, __u8 proto)
+{
+ /* Fill padding... */
+ if (tfclen) {
+ memset(tail, 0, tfclen);
+ tail += tfclen;
+ }
+ do {
+ int i;
+ for (i = 0; i < plen - 2; i++)
+ tail[i] = i + 1;
+ } while (0);
+ tail[plen - 2] = plen - 2;
+ tail[plen - 1] = proto;
+}
+
struct esp_info {
struct ip_esp_hdr *esph;
__be64 seqno;
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 103c7d599a3c..8b07f3a4f2db 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -341,22 +341,6 @@ static void esp_output_done_esn(struct crypto_async_request *base, int err)
esp_output_done(base, err);
}
-static void esp_output_fill_trailer(u8 *tail, int tfclen, int plen, __u8 proto)
-{
- /* Fill padding... */
- if (tfclen) {
- memset(tail, 0, tfclen);
- tail += tfclen;
- }
- do {
- int i;
- for (i = 0; i < plen - 2; i++)
- tail[i] = i + 1;
- } while (0);
- tail[plen - 2] = plen - 2;
- tail[plen - 1] = proto;
-}
-
static struct ip_esp_hdr *esp_output_udp_encap(struct sk_buff *skb,
int encap_type,
struct esp_info *esp,
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);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index a3b403ba8f8f..11143d039f16 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -207,22 +207,6 @@ static void esp_output_done_esn(struct crypto_async_request *base, int err)
esp_output_done(base, err);
}
-static void esp_output_fill_trailer(u8 *tail, int tfclen, int plen, __u8 proto)
-{
- /* Fill padding... */
- if (tfclen) {
- memset(tail, 0, tfclen);
- tail += tfclen;
- }
- do {
- int i;
- for (i = 0; i < plen - 2; i++)
- tail[i] = i + 1;
- } while (0);
- tail[plen - 2] = plen - 2;
- tail[plen - 1] = proto;
-}
-
int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
u8 *tail;
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index fd535053245b..8eab2c869d61 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -159,6 +159,40 @@ static struct sk_buff *xfrm6_transport_gso_segment(struct xfrm_state *x,
return segs;
}
+static struct sk_buff *xfrm6_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;
+ }
+
+ if (x->sel.family != AF_INET6) {
+ skb->transport_header -=
+ (sizeof(struct ipv6hdr) - sizeof(struct iphdr));
+
+ if (proto == IPPROTO_TCP)
+ skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV6;
+ }
+
+ __skb_pull(skb, skb_transport_offset(skb));
+ ops = rcu_dereference(inet6_offloads[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)
@@ -168,6 +202,8 @@ static struct sk_buff *xfrm6_outer_mode_gso_segment(struct xfrm_state *x,
return xfrm6_tunnel_gso_segment(x, skb, features);
case XFRM_MODE_TRANSPORT:
return xfrm6_transport_gso_segment(x, skb, features);
+ case XFRM_MODE_BEET:
+ return xfrm6_beet_gso_segment(x, skb, features);
}
return ERR_PTR(-EOPNOTSUPP);
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index e2db468cf50e..6cc7f7f1dd68 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -46,6 +46,25 @@ static void __xfrm_mode_tunnel_prep(struct xfrm_state *x, struct sk_buff *skb,
pskb_pull(skb, skb->mac_len + x->props.header_len);
}
+static void __xfrm_mode_beet_prep(struct xfrm_state *x, struct sk_buff *skb,
+ unsigned int hsize)
+{
+ struct xfrm_offload *xo = xfrm_offload(skb);
+ int phlen = 0;
+
+ if (xo->flags & XFRM_GSO_SEGMENT)
+ skb->transport_header = skb->network_header + hsize;
+
+ skb_reset_mac_len(skb);
+ if (x->sel.family != AF_INET6) {
+ phlen = IPV4_BEET_PHMAXLEN;
+ if (x->outer_mode.family == AF_INET6)
+ phlen += sizeof(struct ipv6hdr) - sizeof(struct iphdr);
+ }
+
+ pskb_pull(skb, skb->mac_len + hsize + (x->props.header_len - phlen));
+}
+
/* Adjust pointers into the packet when IPsec is done at layer2 */
static void xfrm_outer_mode_prep(struct xfrm_state *x, struct sk_buff *skb)
{
@@ -66,9 +85,16 @@ static void xfrm_outer_mode_prep(struct xfrm_state *x, struct sk_buff *skb)
return __xfrm_transport_prep(x, skb,
sizeof(struct ipv6hdr));
break;
+ case XFRM_MODE_BEET:
+ if (x->outer_mode.family == AF_INET)
+ return __xfrm_mode_beet_prep(x, skb,
+ sizeof(struct iphdr));
+ if (x->outer_mode.family == AF_INET6)
+ return __xfrm_mode_beet_prep(x, skb,
+ sizeof(struct ipv6hdr));
+ break;
case XFRM_MODE_ROUTEOPTIMIZATION:
case XFRM_MODE_IN_TRIGGER:
- case XFRM_MODE_BEET:
break;
}
}
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 170d6e7f31d3..8be2d926acc2 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -612,7 +612,7 @@ struct xfrm_state *xfrm_state_alloc(struct net *net)
{
struct xfrm_state *x;
- x = kmem_cache_alloc(xfrm_state_cache, GFP_ATOMIC | __GFP_ZERO);
+ x = kmem_cache_zalloc(xfrm_state_cache, GFP_ATOMIC);
if (x) {
write_pnet(&x->xs_net, net);