summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/net/xfrm.h2
-rw-r--r--net/ipv4/esp4.c6
-rw-r--r--net/ipv6/esp6.c6
3 files changed, 1 insertions, 13 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 6fb899ff5afc..b41278abeeaa 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1006,7 +1006,7 @@ struct xfrm_offload {
#define CRYPTO_FALLBACK 8
#define XFRM_GSO_SEGMENT 16
#define XFRM_GRO 32
-#define XFRM_ESP_NO_TRAILER 64
+/* 64 is free */
#define XFRM_DEV_RESUME 128
#define XFRM_XMIT 256
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index d747166bb291..b21238df3301 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -705,7 +705,6 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
static inline int esp_remove_trailer(struct sk_buff *skb)
{
struct xfrm_state *x = xfrm_input_state(skb);
- struct xfrm_offload *xo = xfrm_offload(skb);
struct crypto_aead *aead = x->data;
int alen, hlen, elen;
int padlen, trimlen;
@@ -717,11 +716,6 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
hlen = sizeof(struct ip_esp_hdr) + crypto_aead_ivsize(aead);
elen = skb->len - hlen;
- if (xo && (xo->flags & XFRM_ESP_NO_TRAILER)) {
- ret = xo->proto;
- goto out;
- }
-
if (skb_copy_bits(skb, skb->len - alen - 2, nexthdr, 2))
BUG();
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index f2120e92caf1..36e1d0f8dd06 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -741,7 +741,6 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
static inline int esp_remove_trailer(struct sk_buff *skb)
{
struct xfrm_state *x = xfrm_input_state(skb);
- struct xfrm_offload *xo = xfrm_offload(skb);
struct crypto_aead *aead = x->data;
int alen, hlen, elen;
int padlen, trimlen;
@@ -753,11 +752,6 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
hlen = sizeof(struct ip_esp_hdr) + crypto_aead_ivsize(aead);
elen = skb->len - hlen;
- if (xo && (xo->flags & XFRM_ESP_NO_TRAILER)) {
- ret = xo->proto;
- goto out;
- }
-
ret = skb_copy_bits(skb, skb->len - alen - 2, nexthdr, 2);
BUG_ON(ret);