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xfrm: remove init_tempsel indirection from xfrm_state_afinfo

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Simple initialization, handle it in the caller.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Florian Westphal
2019-05-03 17:46:14 +02:00
committed by Steffen Klassert
parent 2a99283cb7
commit bac9593515
4 changed files with 49 additions and 49 deletions
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56
net/xfrm/xfrm_state.c
View File

@@ -769,6 +769,43 @@ void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si)
}
EXPORT_SYMBOL(xfrm_sad_getinfo);
static void
__xfrm4_init_tempsel(struct xfrm_selector *sel, const struct flowi *fl)
{
const struct flowi4 *fl4 = &fl->u.ip4;
sel->daddr.a4 = fl4->daddr;
sel->saddr.a4 = fl4->saddr;
sel->dport = xfrm_flowi_dport(fl, &fl4->uli);
sel->dport_mask = htons(0xffff);
sel->sport = xfrm_flowi_sport(fl, &fl4->uli);
sel->sport_mask = htons(0xffff);
sel->family = AF_INET;
sel->prefixlen_d = 32;
sel->prefixlen_s = 32;
sel->proto = fl4->flowi4_proto;
sel->ifindex = fl4->flowi4_oif;
}
static void
__xfrm6_init_tempsel(struct xfrm_selector *sel, const struct flowi *fl)
{
const struct flowi6 *fl6 = &fl->u.ip6;
/* Initialize temporary selector matching only to current session. */
*(struct in6_addr *)&sel->daddr = fl6->daddr;
*(struct in6_addr *)&sel->saddr = fl6->saddr;
sel->dport = xfrm_flowi_dport(fl, &fl6->uli);
sel->dport_mask = htons(0xffff);
sel->sport = xfrm_flowi_sport(fl, &fl6->uli);
sel->sport_mask = htons(0xffff);
sel->family = AF_INET6;
sel->prefixlen_d = 128;
sel->prefixlen_s = 128;
sel->proto = fl6->flowi6_proto;
sel->ifindex = fl6->flowi6_oif;
}
static void
xfrm_init_tempstate(struct xfrm_state *x, const struct flowi *fl,
const struct xfrm_tmpl *tmpl,
@@ -777,16 +814,21 @@ xfrm_init_tempstate(struct xfrm_state *x, const struct flowi *fl,
{
struct xfrm_state_afinfo *afinfo = xfrm_state_afinfo_get_rcu(family);
switch (family) {
case AF_INET:
__xfrm4_init_tempsel(&x->sel, fl);
break;
case AF_INET6:
__xfrm6_init_tempsel(&x->sel, fl);
break;
}
if (family != tmpl->encap_family)
afinfo = xfrm_state_afinfo_get_rcu(tmpl->encap_family);
if (!afinfo)
return;
afinfo->init_tempsel(&x->sel, fl);
if (family != tmpl->encap_family) {
afinfo = xfrm_state_afinfo_get_rcu(tmpl->encap_family);
if (!afinfo)
return;
}
afinfo->init_temprop(x, tmpl, daddr, saddr);
}