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-rw-r--r--net/ipv6/esp6.c3
-rw-r--r--net/ipv6/ipcomp6.c19
-rw-r--r--net/ipv6/mip6.c2
-rw-r--r--net/ipv6/xfrm6_mode_beet.c2
-rw-r--r--net/ipv6/xfrm6_mode_tunnel.c4
-rw-r--r--net/ipv6/xfrm6_output.c4
-rw-r--r--net/ipv6/xfrm6_tunnel.c5
7 files changed, 11 insertions, 28 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index a64295d..9eb9285 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -43,7 +43,6 @@
static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
{
int err;
- struct ipv6hdr *top_iph;
struct ip_esp_hdr *esph;
struct crypto_blkcipher *tfm;
struct blkcipher_desc desc;
@@ -85,9 +84,7 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
pskb_put(skb, trailer, clen - skb->len);
skb_push(skb, -skb_network_offset(skb));
- top_iph = ipv6_hdr(skb);
esph = ip_esp_hdr(skb);
- top_iph->payload_len = htons(skb->len + alen - sizeof(*top_iph));
*(skb_tail_pointer(trailer) - 1) = *skb_mac_header(skb);
*skb_mac_header(skb) = IPPROTO_ESP;
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 8f3f32f..28fc8ed 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -119,20 +119,15 @@ out:
static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
{
int err;
- struct ipv6hdr *top_iph;
struct ip_comp_hdr *ipch;
struct ipcomp_data *ipcd = x->data;
int plen, dlen;
u8 *start, *scratch;
struct crypto_comp *tfm;
int cpu;
- int hdr_len;
-
- skb_push(skb, -skb_network_offset(skb));
- hdr_len = skb_transport_offset(skb);
/* check whether datagram len is larger than threshold */
- if ((skb->len - hdr_len) < ipcd->threshold) {
+ if (skb->len < ipcd->threshold) {
goto out_ok;
}
@@ -140,9 +135,9 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
goto out_ok;
/* compression */
- plen = skb->len - hdr_len;
+ plen = skb->len;
dlen = IPCOMP_SCRATCH_SIZE;
- start = skb_transport_header(skb);
+ start = skb->data;
cpu = get_cpu();
scratch = *per_cpu_ptr(ipcomp6_scratches, cpu);
@@ -155,13 +150,9 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
}
memcpy(start + sizeof(struct ip_comp_hdr), scratch, dlen);
put_cpu();
- pskb_trim(skb, hdr_len + dlen + sizeof(struct ip_comp_hdr));
+ pskb_trim(skb, dlen + sizeof(struct ip_comp_hdr));
/* insert ipcomp header and replace datagram */
- top_iph = ipv6_hdr(skb);
-
- top_iph->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
-
ipch = ip_comp_hdr(skb);
ipch->nexthdr = *skb_mac_header(skb);
ipch->flags = 0;
@@ -169,6 +160,8 @@ static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
*skb_mac_header(skb) = IPPROTO_COMP;
out_ok:
+ skb_push(skb, -skb_network_offset(skb));
+
return 0;
}
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 0e7a60f..7fd841d 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -155,7 +155,6 @@ static int mip6_destopt_output(struct xfrm_state *x, struct sk_buff *skb)
skb_push(skb, -skb_network_offset(skb));
iph = ipv6_hdr(skb);
- iph->payload_len = htons(skb->len - sizeof(*iph));
nexthdr = *skb_mac_header(skb);
*skb_mac_header(skb) = IPPROTO_DSTOPTS;
@@ -370,7 +369,6 @@ static int mip6_rthdr_output(struct xfrm_state *x, struct sk_buff *skb)
skb_push(skb, -skb_network_offset(skb));
iph = ipv6_hdr(skb);
- iph->payload_len = htons(skb->len - sizeof(*iph));
nexthdr = *skb_mac_header(skb);
*skb_mac_header(skb) = IPPROTO_ROUTING;
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index 42c6ef8..13bb1e8 100644
--- a/net/ipv6/xfrm6_mode_beet.c
+++ b/net/ipv6/xfrm6_mode_beet.c
@@ -22,8 +22,6 @@
/* Add encapsulation header.
*
* The top IP header will be constructed per draft-nikander-esp-beet-mode-06.txt.
- * The following fields in it shall be filled in by x->type->output:
- * payload_len
*/
static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
{
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index e79c6bd..ea22838 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -33,9 +33,7 @@ static inline void ip6ip_ecn_decapsulate(struct sk_buff *skb)
/* Add encapsulation header.
*
- * The top IP header will be constructed per RFC 2401. The following fields
- * in it shall be filled in by x->type->output:
- * payload_len
+ * The top IP header will be constructed per RFC 2401.
*/
static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index f21596f..4618c18 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -47,6 +47,7 @@ static inline int xfrm6_output_one(struct sk_buff *skb)
{
struct dst_entry *dst = skb->dst;
struct xfrm_state *x = dst->xfrm;
+ struct ipv6hdr *iph;
int err;
if (x->props.mode == XFRM_MODE_TUNNEL) {
@@ -59,6 +60,9 @@ static inline int xfrm6_output_one(struct sk_buff *skb)
if (err)
goto error_nolock;
+ iph = ipv6_hdr(skb);
+ iph->payload_len = htons(skb->len - sizeof(*iph));
+
IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
err = 0;
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 00a1a3e..3f8a3ab 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -242,12 +242,7 @@ EXPORT_SYMBOL(xfrm6_tunnel_free_spi);
static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
- struct ipv6hdr *top_iph;
-
skb_push(skb, -skb_network_offset(skb));
- top_iph = ipv6_hdr(skb);
- top_iph->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
-
return 0;
}
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