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WSL2-Linux-Kernel
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xfrm: SA lookups with mark 

Allow mark to be added to the SA lookup

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jamal Hadi Salim 2010-02-22 11:32:56 +00:00 коммит произвёл David S. Miller
Родитель bd55775c8d
Коммит 3d6acfa764
1 изменённых файлов: 12 добавлений и 0 удалений
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12
net/xfrm/xfrm_state.c
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@ -682,6 +682,8 @@ static struct xfrm_state *__xfrm_state_lookup(struct net *net, u32 mark, xfrm_ad
xfrm_addr_cmp(&x->id.daddr, daddr, family))
continue;
if ((mark & x->mark.m) != x->mark.v)
continue;
xfrm_state_hold(x);
return x;
}
@ -702,6 +704,8 @@ static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, u32 mark,
xfrm_addr_cmp(&x->props.saddr, saddr, family))
continue;
if ((mark & x->mark.m) != x->mark.v)
continue;
xfrm_state_hold(x);
return x;
}
@ -794,6 +798,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
if (x->props.family == family &&
x->props.reqid == tmpl->reqid &&
(mark & x->mark.m) == x->mark.v &&
!(x->props.flags & XFRM_STATE_WILDRECV) &&
xfrm_state_addr_check(x, daddr, saddr, family) &&
tmpl->mode == x->props.mode &&
@ -809,6 +814,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h_wildcard, bydst) {
if (x->props.family == family &&
x->props.reqid == tmpl->reqid &&
(mark & x->mark.m) == x->mark.v &&
!(x->props.flags & XFRM_STATE_WILDRECV) &&
xfrm_state_addr_check(x, daddr, saddr, family) &&
tmpl->mode == x->props.mode &&
@ -892,6 +898,7 @@ xfrm_stateonly_find(struct net *net, u32 mark,
hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
if (x->props.family == family &&
x->props.reqid == reqid &&
(mark & x->mark.m) == x->mark.v &&
!(x->props.flags & XFRM_STATE_WILDRECV) &&
xfrm_state_addr_check(x, daddr, saddr, family) &&
mode == x->props.mode &&
@ -954,11 +961,13 @@ static void __xfrm_state_bump_genids(struct xfrm_state *xnew)
struct xfrm_state *x;
struct hlist_node *entry;
unsigned int h;
u32 mark = xnew->mark.v & xnew->mark.m;
h = xfrm_dst_hash(net, &xnew->id.daddr, &xnew->props.saddr, reqid, family);
hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
if (x->props.family == family &&
x->props.reqid == reqid &&
(mark & x->mark.m) == x->mark.v &&
!xfrm_addr_cmp(&x->id.daddr, &xnew->id.daddr, family) &&
!xfrm_addr_cmp(&x->props.saddr, &xnew->props.saddr, family))
x->genid = xfrm_state_genid;
@ -980,6 +989,7 @@ static struct xfrm_state *__find_acq_core(struct net *net, struct xfrm_mark *m,
unsigned int h = xfrm_dst_hash(net, daddr, saddr, reqid, family);
struct hlist_node *entry;
struct xfrm_state *x;
u32 mark = m->v & m->m;
hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
if (x->props.reqid != reqid ||
@ -988,6 +998,7 @@ static struct xfrm_state *__find_acq_core(struct net *net, struct xfrm_mark *m,
x->km.state != XFRM_STATE_ACQ ||
x->id.spi != 0 ||
x->id.proto != proto ||
(mark & x->mark.m) != x->mark.v ||
xfrm_addr_cmp(&x->id.daddr, daddr, family) ||
xfrm_addr_cmp(&x->props.saddr, saddr, family))
continue;
@ -1442,6 +1453,7 @@ static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 mark, u32 s
hlist_for_each_entry(x, entry, net->xfrm.state_bydst+i, bydst) {
if (x->km.seq == seq &&
(mark & x->mark.m) == x->mark.v &&
x->km.state == XFRM_STATE_ACQ) {
xfrm_state_hold(x);
return x;