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xfrm: remove init_path indirection from afinfo_policy 

handle this directly, its only used by ipv6.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Florian Westphal 2019-04-16 16:44:38 +02:00 committed by Steffen Klassert
parent f24ea52873
commit 2e8b4aa816
4 changed files with 7 additions and 38 deletions
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3
include/net/xfrm.h
View File

@ -329,9 +329,6 @@ struct xfrm_policy_afinfo {
void (*decode_session)(struct sk_buff *skb,
struct flowi *fl,
int reverse);
int (*init_path)(struct xfrm_dst *path,
struct dst_entry *dst,
int nfheader_len);
int (*fill_dst)(struct xfrm_dst *xdst,
struct net_device *dev,
const struct flowi *fl);

7
net/ipv4/xfrm4_policy.c
View File

@ -69,12 +69,6 @@ static int xfrm4_get_saddr(struct net *net, int oif,
return 0;
}
static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
int nfheader_len)
{
return 0;
}
static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
const struct flowi *fl)
{
@ -267,7 +261,6 @@ static const struct xfrm_policy_afinfo xfrm4_policy_afinfo = {
.dst_lookup = xfrm4_dst_lookup,
.get_saddr = xfrm4_get_saddr,
.decode_session = _decode_session4,
.init_path = xfrm4_init_path,
.fill_dst = xfrm4_fill_dst,
.blackhole_route = ipv4_blackhole_route,
};

14
net/ipv6/xfrm6_policy.c
View File

@ -71,19 +71,6 @@ static int xfrm6_get_saddr(struct net *net, int oif,
return 0;
}
static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
int nfheader_len)
{
if (dst->ops->family == AF_INET6) {
struct rt6_info *rt = (struct rt6_info *)dst;
path->path_cookie = rt6_get_cookie(rt);
}
path->u.rt6.rt6i_nfheader_len = nfheader_len;
return 0;
}
static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
const struct flowi *fl)
{
@ -287,7 +274,6 @@ static const struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
.dst_lookup = xfrm6_dst_lookup,
.get_saddr = xfrm6_get_saddr,
.decode_session = _decode_session6,
.init_path = xfrm6_init_path,
.fill_dst = xfrm6_fill_dst,
.blackhole_route = ip6_blackhole_route,
};

21
net/xfrm/xfrm_policy.c
View File

@ -2491,21 +2491,14 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
return xdst;
}
static inline int xfrm_init_path(struct xfrm_dst *path, struct dst_entry *dst,
int nfheader_len)
static void xfrm_init_path(struct xfrm_dst *path, struct dst_entry *dst,
int nfheader_len)
{
const struct xfrm_policy_afinfo *afinfo =
xfrm_policy_get_afinfo(dst->ops->family);
int err;
if (!afinfo)
return -EINVAL;
err = afinfo->init_path(path, dst, nfheader_len);
rcu_read_unlock();
return err;
if (dst->ops->family == AF_INET6) {
struct rt6_info *rt = (struct rt6_info *)dst;
path->path_cookie = rt6_get_cookie(rt);
path->u.rt6.rt6i_nfheader_len = nfheader_len;
}
}
static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,