diff options
| author | Florian Westphal <fw@strlen.de> | 2021-06-11 12:50:13 +0200 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2021-06-11 14:48:50 +0200 |
| commit | d1002d2490e3ebc30dd3ba747656cfa90c87e984 (patch) | |
| tree | 478f5cebeb7b51255ceea33b2150ec15b8175953 | |
| parent | 848b18fb7fbd2fa5bc4fc2263bb69956fb86120d (diff) | |
xfrm: remove hdr_offset indirection
After previous patches all remaining users set the function pointer to
the same function: xfrm6_find_1stfragopt.
So remove this function pointer and call ip6_find_1stfragopt directly.
Reduces size of xfrm_type to 64 bytes on 64bit platforms.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
| -rw-r--r-- | include/net/xfrm.h | 3 | ||||
| -rw-r--r-- | net/ipv6/ah6.c | 1 | ||||
| -rw-r--r-- | net/ipv6/esp6.c | 1 | ||||
| -rw-r--r-- | net/ipv6/ipcomp6.c | 1 | ||||
| -rw-r--r-- | net/ipv6/xfrm6_output.c | 7 | ||||
| -rw-r--r-- | net/xfrm/xfrm_output.c | 2 |
6 files changed, 1 insertions, 14 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 1aad78c5f2d5..c8890da00b8a 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -402,7 +402,6 @@ struct xfrm_type { int (*output)(struct xfrm_state *, struct sk_buff *pskb); int (*reject)(struct xfrm_state *, struct sk_buff *, const struct flowi *); - int (*hdr_offset)(struct xfrm_state *, struct sk_buff *, u8 **); }; int xfrm_register_type(const struct xfrm_type *type, unsigned short family); @@ -1605,8 +1604,6 @@ __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr); __be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr); int xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb); int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb); -int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, - u8 **prevhdr); #ifdef CONFIG_XFRM void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu); diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index e9705c256068..828e62514260 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -762,7 +762,6 @@ static const struct xfrm_type ah6_type = { .destructor = ah6_destroy, .input = ah6_input, .output = ah6_output, - .hdr_offset = xfrm6_find_1stfragopt, }; static struct xfrm6_protocol ah6_protocol = { diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index be2c0ac76eaa..37c4b1726c5e 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -1250,7 +1250,6 @@ static const struct xfrm_type esp6_type = { .destructor = esp6_destroy, .input = esp6_input, .output = esp6_output, - .hdr_offset = xfrm6_find_1stfragopt, }; static struct xfrm6_protocol esp6_protocol = { diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index 491aba66b7ae..15f984be3570 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -178,7 +178,6 @@ static const struct xfrm_type ipcomp6_type = { .destructor = ipcomp_destroy, .input = ipcomp_input, .output = ipcomp_output, - .hdr_offset = xfrm6_find_1stfragopt, }; static struct xfrm6_protocol ipcomp6_protocol = { diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c index 8b84d534b19d..57fa27c1cdf9 100644 --- a/net/ipv6/xfrm6_output.c +++ b/net/ipv6/xfrm6_output.c @@ -16,13 +16,6 @@ #include <net/ip6_route.h> #include <net/xfrm.h> -int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, - u8 **prevhdr) -{ - return ip6_find_1stfragopt(skb, prevhdr); -} -EXPORT_SYMBOL(xfrm6_find_1stfragopt); - void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu) { struct flowi6 fl6; diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index 1734339b6dd0..10842d5cf6e1 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -185,7 +185,7 @@ static int xfrm6_hdr_offset(struct xfrm_state *x, struct sk_buff *skb, u8 **prev break; } - return x->type->hdr_offset(x, skb, prevhdr); + return ip6_find_1stfragopt(skb, prevhdr); } /* Add encapsulation header. |