#include <linux/cache.h>
#include <linux/audit.h>
#include <asm/uaccess.h>
+#include <linux/ktime.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
#include "xfrm_hash.h"
-struct sock *xfrm_nl;
-EXPORT_SYMBOL(xfrm_nl);
-
-u32 sysctl_xfrm_aevent_etime __read_mostly = XFRM_AE_ETIME;
-EXPORT_SYMBOL(sysctl_xfrm_aevent_etime);
-
-u32 sysctl_xfrm_aevent_rseqth __read_mostly = XFRM_AE_SEQT_SIZE;
-EXPORT_SYMBOL(sysctl_xfrm_aevent_rseqth);
-
-u32 sysctl_xfrm_acq_expires __read_mostly = 30;
-
/* Each xfrm_state may be linked to two tables:
1. Hash table by (spi,daddr,ah/esp) to find SA by SPI. (input,ctl)
static DEFINE_SPINLOCK(xfrm_state_lock);
-/* Hash table to find appropriate SA towards given target (endpoint
- * of tunnel or destination of transport mode) allowed by selector.
- *
- * Main use is finding SA after policy selected tunnel or transport mode.
- * Also, it can be used by ah/esp icmp error handler to find offending SA.
- */
-static LIST_HEAD(xfrm_state_all);
-static struct hlist_head *xfrm_state_bydst __read_mostly;
-static struct hlist_head *xfrm_state_bysrc __read_mostly;
-static struct hlist_head *xfrm_state_byspi __read_mostly;
-static unsigned int xfrm_state_hmask __read_mostly;
static unsigned int xfrm_state_hashmax __read_mostly = 1 * 1024 * 1024;
-static unsigned int xfrm_state_num;
-static unsigned int xfrm_state_genid;
-
-/* Counter indicating ongoing walk, protected by xfrm_state_lock. */
-static unsigned long xfrm_state_walk_ongoing;
-/* Counter indicating walk completion, protected by xfrm_cfg_mutex. */
-static unsigned long xfrm_state_walk_completed;
-
-/* List of outstanding state walks used to set the completed counter. */
-static LIST_HEAD(xfrm_state_walks);
static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family);
static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
#define xfrm_audit_state_replay(x, s, sq) do { ; } while (0)
#endif /* CONFIG_AUDITSYSCALL */
-static inline unsigned int xfrm_dst_hash(xfrm_address_t *daddr,
+static inline unsigned int xfrm_dst_hash(struct net *net,
+ xfrm_address_t *daddr,
xfrm_address_t *saddr,
u32 reqid,
unsigned short family)
{
- return __xfrm_dst_hash(daddr, saddr, reqid, family, xfrm_state_hmask);
+ return __xfrm_dst_hash(daddr, saddr, reqid, family, net->xfrm.state_hmask);
}
-static inline unsigned int xfrm_src_hash(xfrm_address_t *daddr,
+static inline unsigned int xfrm_src_hash(struct net *net,
+ xfrm_address_t *daddr,
xfrm_address_t *saddr,
unsigned short family)
{
- return __xfrm_src_hash(daddr, saddr, family, xfrm_state_hmask);
+ return __xfrm_src_hash(daddr, saddr, family, net->xfrm.state_hmask);
}
static inline unsigned int
-xfrm_spi_hash(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family)
+xfrm_spi_hash(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family)
{
- return __xfrm_spi_hash(daddr, spi, proto, family, xfrm_state_hmask);
+ return __xfrm_spi_hash(daddr, spi, proto, family, net->xfrm.state_hmask);
}
static void xfrm_hash_transfer(struct hlist_head *list,
}
}
-static unsigned long xfrm_hash_new_size(void)
+static unsigned long xfrm_hash_new_size(unsigned int state_hmask)
{
- return ((xfrm_state_hmask + 1) << 1) *
- sizeof(struct hlist_head);
+ return ((state_hmask + 1) << 1) * sizeof(struct hlist_head);
}
static DEFINE_MUTEX(hash_resize_mutex);
-static void xfrm_hash_resize(struct work_struct *__unused)
+static void xfrm_hash_resize(struct work_struct *work)
{
+ struct net *net = container_of(work, struct net, xfrm.state_hash_work);
struct hlist_head *ndst, *nsrc, *nspi, *odst, *osrc, *ospi;
unsigned long nsize, osize;
unsigned int nhashmask, ohashmask;
mutex_lock(&hash_resize_mutex);
- nsize = xfrm_hash_new_size();
+ nsize = xfrm_hash_new_size(net->xfrm.state_hmask);
ndst = xfrm_hash_alloc(nsize);
if (!ndst)
goto out_unlock;
spin_lock_bh(&xfrm_state_lock);
nhashmask = (nsize / sizeof(struct hlist_head)) - 1U;
- for (i = xfrm_state_hmask; i >= 0; i--)
- xfrm_hash_transfer(xfrm_state_bydst+i, ndst, nsrc, nspi,
+ for (i = net->xfrm.state_hmask; i >= 0; i--)
+ xfrm_hash_transfer(net->xfrm.state_bydst+i, ndst, nsrc, nspi,
nhashmask);
- odst = xfrm_state_bydst;
- osrc = xfrm_state_bysrc;
- ospi = xfrm_state_byspi;
- ohashmask = xfrm_state_hmask;
+ odst = net->xfrm.state_bydst;
+ osrc = net->xfrm.state_bysrc;
+ ospi = net->xfrm.state_byspi;
+ ohashmask = net->xfrm.state_hmask;
- xfrm_state_bydst = ndst;
- xfrm_state_bysrc = nsrc;
- xfrm_state_byspi = nspi;
- xfrm_state_hmask = nhashmask;
+ net->xfrm.state_bydst = ndst;
+ net->xfrm.state_bysrc = nsrc;
+ net->xfrm.state_byspi = nspi;
+ net->xfrm.state_hmask = nhashmask;
spin_unlock_bh(&xfrm_state_lock);
mutex_unlock(&hash_resize_mutex);
}
-static DECLARE_WORK(xfrm_hash_work, xfrm_hash_resize);
-
-DECLARE_WAIT_QUEUE_HEAD(km_waitq);
-EXPORT_SYMBOL(km_waitq);
-
static DEFINE_RWLOCK(xfrm_state_afinfo_lock);
static struct xfrm_state_afinfo *xfrm_state_afinfo[NPROTO];
-static struct work_struct xfrm_state_gc_work;
-static LIST_HEAD(xfrm_state_gc_leftovers);
-static LIST_HEAD(xfrm_state_gc_list);
static DEFINE_SPINLOCK(xfrm_state_gc_lock);
int __xfrm_state_delete(struct xfrm_state *x);
static void xfrm_state_gc_destroy(struct xfrm_state *x)
{
- del_timer_sync(&x->timer);
+ tasklet_hrtimer_cancel(&x->mtimer);
del_timer_sync(&x->rtimer);
kfree(x->aalg);
kfree(x->ealg);
kfree(x);
}
-static void xfrm_state_gc_task(struct work_struct *data)
+static void xfrm_state_gc_task(struct work_struct *work)
{
- struct xfrm_state *x, *tmp;
- unsigned long completed;
+ struct net *net = container_of(work, struct net, xfrm.state_gc_work);
+ struct xfrm_state *x;
+ struct hlist_node *entry, *tmp;
+ struct hlist_head gc_list;
- mutex_lock(&xfrm_cfg_mutex);
spin_lock_bh(&xfrm_state_gc_lock);
- list_splice_tail_init(&xfrm_state_gc_list, &xfrm_state_gc_leftovers);
+ hlist_move_list(&net->xfrm.state_gc_list, &gc_list);
spin_unlock_bh(&xfrm_state_gc_lock);
- completed = xfrm_state_walk_completed;
- mutex_unlock(&xfrm_cfg_mutex);
-
- list_for_each_entry_safe(x, tmp, &xfrm_state_gc_leftovers, gclist) {
- if ((long)(x->lastused - completed) > 0)
- break;
- list_del(&x->gclist);
+ hlist_for_each_entry_safe(x, entry, tmp, &gc_list, gclist)
xfrm_state_gc_destroy(x);
- }
- wake_up(&km_waitq);
+ wake_up(&net->xfrm.km_waitq);
}
static inline unsigned long make_jiffies(long secs)
return secs*HZ;
}
-static void xfrm_timer_handler(unsigned long data)
+static enum hrtimer_restart xfrm_timer_handler(struct hrtimer * me)
{
- struct xfrm_state *x = (struct xfrm_state*)data;
+ struct tasklet_hrtimer *thr = container_of(me, struct tasklet_hrtimer, timer);
+ struct xfrm_state *x = container_of(thr, struct xfrm_state, mtimer);
+ struct net *net = xs_net(x);
unsigned long now = get_seconds();
long next = LONG_MAX;
int warn = 0;
if (warn)
km_state_expired(x, 0, 0);
resched:
- if (next != LONG_MAX)
- mod_timer(&x->timer, jiffies + make_jiffies(next));
+ if (next != LONG_MAX){
+ tasklet_hrtimer_start(&x->mtimer, ktime_set(next, 0), HRTIMER_MODE_REL);
+ }
goto out;
expired:
if (x->km.state == XFRM_STATE_ACQ && x->id.spi == 0) {
x->km.state = XFRM_STATE_EXPIRED;
- wake_up(&km_waitq);
+ wake_up(&net->xfrm.km_waitq);
next = 2;
goto resched;
}
out:
spin_unlock(&x->lock);
+ return HRTIMER_NORESTART;
}
static void xfrm_replay_timer_handler(unsigned long data);
-struct xfrm_state *xfrm_state_alloc(void)
+struct xfrm_state *xfrm_state_alloc(struct net *net)
{
struct xfrm_state *x;
x = kzalloc(sizeof(struct xfrm_state), GFP_ATOMIC);
if (x) {
+ write_pnet(&x->xs_net, net);
atomic_set(&x->refcnt, 1);
atomic_set(&x->tunnel_users, 0);
- INIT_LIST_HEAD(&x->all);
+ INIT_LIST_HEAD(&x->km.all);
INIT_HLIST_NODE(&x->bydst);
INIT_HLIST_NODE(&x->bysrc);
INIT_HLIST_NODE(&x->byspi);
- setup_timer(&x->timer, xfrm_timer_handler, (unsigned long)x);
+ tasklet_hrtimer_init(&x->mtimer, xfrm_timer_handler, CLOCK_REALTIME, HRTIMER_MODE_ABS);
setup_timer(&x->rtimer, xfrm_replay_timer_handler,
(unsigned long)x);
x->curlft.add_time = get_seconds();
void __xfrm_state_destroy(struct xfrm_state *x)
{
+ struct net *net = xs_net(x);
+
WARN_ON(x->km.state != XFRM_STATE_DEAD);
spin_lock_bh(&xfrm_state_gc_lock);
- list_add_tail(&x->gclist, &xfrm_state_gc_list);
+ hlist_add_head(&x->gclist, &net->xfrm.state_gc_list);
spin_unlock_bh(&xfrm_state_gc_lock);
- schedule_work(&xfrm_state_gc_work);
+ schedule_work(&net->xfrm.state_gc_work);
}
EXPORT_SYMBOL(__xfrm_state_destroy);
int __xfrm_state_delete(struct xfrm_state *x)
{
+ struct net *net = xs_net(x);
int err = -ESRCH;
if (x->km.state != XFRM_STATE_DEAD) {
x->km.state = XFRM_STATE_DEAD;
spin_lock(&xfrm_state_lock);
- x->lastused = xfrm_state_walk_ongoing;
- list_del_rcu(&x->all);
+ list_del(&x->km.all);
hlist_del(&x->bydst);
hlist_del(&x->bysrc);
if (x->id.spi)
hlist_del(&x->byspi);
- xfrm_state_num--;
+ net->xfrm.state_num--;
spin_unlock(&xfrm_state_lock);
/* All xfrm_state objects are created by xfrm_state_alloc.
#ifdef CONFIG_SECURITY_NETWORK_XFRM
static inline int
-xfrm_state_flush_secctx_check(u8 proto, struct xfrm_audit *audit_info)
+xfrm_state_flush_secctx_check(struct net *net, u8 proto, struct xfrm_audit *audit_info)
{
int i, err = 0;
- for (i = 0; i <= xfrm_state_hmask; i++) {
+ for (i = 0; i <= net->xfrm.state_hmask; i++) {
struct hlist_node *entry;
struct xfrm_state *x;
- hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
+ hlist_for_each_entry(x, entry, net->xfrm.state_bydst+i, bydst) {
if (xfrm_id_proto_match(x->id.proto, proto) &&
(err = security_xfrm_state_delete(x)) != 0) {
xfrm_audit_state_delete(x, 0,
}
#else
static inline int
-xfrm_state_flush_secctx_check(u8 proto, struct xfrm_audit *audit_info)
+xfrm_state_flush_secctx_check(struct net *net, u8 proto, struct xfrm_audit *audit_info)
{
return 0;
}
#endif
-int xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info)
+int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info)
{
- int i, err = 0;
+ int i, err = 0, cnt = 0;
spin_lock_bh(&xfrm_state_lock);
- err = xfrm_state_flush_secctx_check(proto, audit_info);
+ err = xfrm_state_flush_secctx_check(net, proto, audit_info);
if (err)
goto out;
- for (i = 0; i <= xfrm_state_hmask; i++) {
+ err = -ESRCH;
+ for (i = 0; i <= net->xfrm.state_hmask; i++) {
struct hlist_node *entry;
struct xfrm_state *x;
restart:
- hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
+ hlist_for_each_entry(x, entry, net->xfrm.state_bydst+i, bydst) {
if (!xfrm_state_kern(x) &&
xfrm_id_proto_match(x->id.proto, proto)) {
xfrm_state_hold(x);
audit_info->sessionid,
audit_info->secid);
xfrm_state_put(x);
+ if (!err)
+ cnt++;
spin_lock_bh(&xfrm_state_lock);
goto restart;
}
}
}
- err = 0;
+ if (cnt)
+ err = 0;
out:
spin_unlock_bh(&xfrm_state_lock);
- wake_up(&km_waitq);
+ wake_up(&net->xfrm.km_waitq);
return err;
}
EXPORT_SYMBOL(xfrm_state_flush);
-void xfrm_sad_getinfo(struct xfrmk_sadinfo *si)
+void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si)
{
spin_lock_bh(&xfrm_state_lock);
- si->sadcnt = xfrm_state_num;
- si->sadhcnt = xfrm_state_hmask;
+ si->sadcnt = net->xfrm.state_num;
+ si->sadhcnt = net->xfrm.state_hmask;
si->sadhmcnt = xfrm_state_hashmax;
spin_unlock_bh(&xfrm_state_lock);
}
return 0;
}
-static struct xfrm_state *__xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family)
+static struct xfrm_state *__xfrm_state_lookup(struct net *net, u32 mark, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family)
{
- unsigned int h = xfrm_spi_hash(daddr, spi, proto, family);
+ unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family);
struct xfrm_state *x;
struct hlist_node *entry;
- hlist_for_each_entry(x, entry, xfrm_state_byspi+h, byspi) {
+ hlist_for_each_entry(x, entry, net->xfrm.state_byspi+h, byspi) {
if (x->props.family != family ||
x->id.spi != spi ||
- x->id.proto != proto)
+ x->id.proto != proto ||
+ xfrm_addr_cmp(&x->id.daddr, daddr, family))
continue;
- switch (family) {
- case AF_INET:
- if (x->id.daddr.a4 != daddr->a4)
- continue;
- break;
- case AF_INET6:
- if (!ipv6_addr_equal((struct in6_addr *)daddr,
- (struct in6_addr *)
- x->id.daddr.a6))
- continue;
- break;
- }
-
+ if ((mark & x->mark.m) != x->mark.v)
+ continue;
xfrm_state_hold(x);
return x;
}
return NULL;
}
-static struct xfrm_state *__xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family)
+static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, u32 mark, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family)
{
- unsigned int h = xfrm_src_hash(daddr, saddr, family);
+ unsigned int h = xfrm_src_hash(net, daddr, saddr, family);
struct xfrm_state *x;
struct hlist_node *entry;
- hlist_for_each_entry(x, entry, xfrm_state_bysrc+h, bysrc) {
+ hlist_for_each_entry(x, entry, net->xfrm.state_bysrc+h, bysrc) {
if (x->props.family != family ||
- x->id.proto != proto)
+ x->id.proto != proto ||
+ xfrm_addr_cmp(&x->id.daddr, daddr, family) ||
+ xfrm_addr_cmp(&x->props.saddr, saddr, family))
continue;
- switch (family) {
- case AF_INET:
- if (x->id.daddr.a4 != daddr->a4 ||
- x->props.saddr.a4 != saddr->a4)
- continue;
- break;
- case AF_INET6:
- if (!ipv6_addr_equal((struct in6_addr *)daddr,
- (struct in6_addr *)
- x->id.daddr.a6) ||
- !ipv6_addr_equal((struct in6_addr *)saddr,
- (struct in6_addr *)
- x->props.saddr.a6))
- continue;
- break;
- }
-
+ if ((mark & x->mark.m) != x->mark.v)
+ continue;
xfrm_state_hold(x);
return x;
}
static inline struct xfrm_state *
__xfrm_state_locate(struct xfrm_state *x, int use_spi, int family)
{
+ struct net *net = xs_net(x);
+ u32 mark = x->mark.v & x->mark.m;
+
if (use_spi)
- return __xfrm_state_lookup(&x->id.daddr, x->id.spi,
- x->id.proto, family);
+ return __xfrm_state_lookup(net, mark, &x->id.daddr,
+ x->id.spi, x->id.proto, family);
else
- return __xfrm_state_lookup_byaddr(&x->id.daddr,
+ return __xfrm_state_lookup_byaddr(net, mark,
+ &x->id.daddr,
&x->props.saddr,
x->id.proto, family);
}
-static void xfrm_hash_grow_check(int have_hash_collision)
+static void xfrm_hash_grow_check(struct net *net, int have_hash_collision)
{
if (have_hash_collision &&
- (xfrm_state_hmask + 1) < xfrm_state_hashmax &&
- xfrm_state_num > xfrm_state_hmask)
- schedule_work(&xfrm_hash_work);
+ (net->xfrm.state_hmask + 1) < xfrm_state_hashmax &&
+ net->xfrm.state_num > net->xfrm.state_hmask)
+ schedule_work(&net->xfrm.state_hash_work);
+}
+
+static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
+ struct flowi *fl, unsigned short family,
+ xfrm_address_t *daddr, xfrm_address_t *saddr,
+ struct xfrm_state **best, int *acq_in_progress,
+ int *error)
+{
+ /* Resolution logic:
+ * 1. There is a valid state with matching selector. Done.
+ * 2. Valid state with inappropriate selector. Skip.
+ *
+ * Entering area of "sysdeps".
+ *
+ * 3. If state is not valid, selector is temporary, it selects
+ * only session which triggered previous resolution. Key
+ * manager will do something to install a state with proper
+ * selector.
+ */
+ if (x->km.state == XFRM_STATE_VALID) {
+ if ((x->sel.family &&
+ !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
+ !security_xfrm_state_pol_flow_match(x, pol, fl))
+ return;
+
+ if (!*best ||
+ (*best)->km.dying > x->km.dying ||
+ ((*best)->km.dying == x->km.dying &&
+ (*best)->curlft.add_time < x->curlft.add_time))
+ *best = x;
+ } else if (x->km.state == XFRM_STATE_ACQ) {
+ *acq_in_progress = 1;
+ } else if (x->km.state == XFRM_STATE_ERROR ||
+ x->km.state == XFRM_STATE_EXPIRED) {
+ if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
+ security_xfrm_state_pol_flow_match(x, pol, fl))
+ *error = -ESRCH;
+ }
}
struct xfrm_state *
struct xfrm_policy *pol, int *err,
unsigned short family)
{
- unsigned int h;
+ static xfrm_address_t saddr_wildcard = { };
+ struct net *net = xp_net(pol);
+ unsigned int h, h_wildcard;
struct hlist_node *entry;
struct xfrm_state *x, *x0, *to_put;
int acquire_in_progress = 0;
int error = 0;
struct xfrm_state *best = NULL;
+ u32 mark = pol->mark.v & pol->mark.m;
to_put = NULL;
spin_lock_bh(&xfrm_state_lock);
- h = xfrm_dst_hash(daddr, saddr, tmpl->reqid, family);
- hlist_for_each_entry(x, entry, xfrm_state_bydst+h, bydst) {
+ h = xfrm_dst_hash(net, daddr, saddr, tmpl->reqid, family);
+ 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 &&
tmpl->id.proto == x->id.proto &&
- (tmpl->id.spi == x->id.spi || !tmpl->id.spi)) {
- /* Resolution logic:
- 1. There is a valid state with matching selector.
- Done.
- 2. Valid state with inappropriate selector. Skip.
-
- Entering area of "sysdeps".
-
- 3. If state is not valid, selector is temporary,
- it selects only session which triggered
- previous resolution. Key manager will do
- something to install a state with proper
- selector.
- */
- if (x->km.state == XFRM_STATE_VALID) {
- if ((x->sel.family && !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
- !security_xfrm_state_pol_flow_match(x, pol, fl))
- continue;
- if (!best ||
- best->km.dying > x->km.dying ||
- (best->km.dying == x->km.dying &&
- best->curlft.add_time < x->curlft.add_time))
- best = x;
- } else if (x->km.state == XFRM_STATE_ACQ) {
- acquire_in_progress = 1;
- } else if (x->km.state == XFRM_STATE_ERROR ||
- x->km.state == XFRM_STATE_EXPIRED) {
- if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
- security_xfrm_state_pol_flow_match(x, pol, fl))
- error = -ESRCH;
- }
- }
+ (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
+ xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+ &best, &acquire_in_progress, &error);
}
+ if (best)
+ goto found;
+ h_wildcard = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
+ 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 &&
+ tmpl->id.proto == x->id.proto &&
+ (tmpl->id.spi == x->id.spi || !tmpl->id.spi))
+ xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
+ &best, &acquire_in_progress, &error);
+ }
+
+found:
x = best;
if (!x && !error && !acquire_in_progress) {
if (tmpl->id.spi &&
- (x0 = __xfrm_state_lookup(daddr, tmpl->id.spi,
+ (x0 = __xfrm_state_lookup(net, mark, daddr, tmpl->id.spi,
tmpl->id.proto, family)) != NULL) {
to_put = x0;
error = -EEXIST;
goto out;
}
- x = xfrm_state_alloc();
+ x = xfrm_state_alloc(net);
if (x == NULL) {
error = -ENOMEM;
goto out;
/* Initialize temporary selector matching only
* to current session. */
xfrm_init_tempsel(x, fl, tmpl, daddr, saddr, family);
+ memcpy(&x->mark, &pol->mark, sizeof(x->mark));
error = security_xfrm_state_alloc_acquire(x, pol->security, fl->secid);
if (error) {
if (km_query(x, tmpl, pol) == 0) {
x->km.state = XFRM_STATE_ACQ;
- list_add_tail(&x->all, &xfrm_state_all);
- hlist_add_head(&x->bydst, xfrm_state_bydst+h);
- h = xfrm_src_hash(daddr, saddr, family);
- hlist_add_head(&x->bysrc, xfrm_state_bysrc+h);
+ list_add(&x->km.all, &net->xfrm.state_all);
+ hlist_add_head(&x->bydst, net->xfrm.state_bydst+h);
+ h = xfrm_src_hash(net, daddr, saddr, family);
+ hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h);
if (x->id.spi) {
- h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto, family);
- hlist_add_head(&x->byspi, xfrm_state_byspi+h);
+ h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, family);
+ hlist_add_head(&x->byspi, net->xfrm.state_byspi+h);
}
- x->lft.hard_add_expires_seconds = sysctl_xfrm_acq_expires;
- x->timer.expires = jiffies + sysctl_xfrm_acq_expires*HZ;
- add_timer(&x->timer);
- xfrm_state_num++;
- xfrm_hash_grow_check(x->bydst.next != NULL);
+ x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires;
+ tasklet_hrtimer_start(&x->mtimer, ktime_set(net->xfrm.sysctl_acq_expires, 0), HRTIMER_MODE_REL);
+ net->xfrm.state_num++;
+ xfrm_hash_grow_check(net, x->bydst.next != NULL);
} else {
x->km.state = XFRM_STATE_DEAD;
to_put = x;
}
struct xfrm_state *
-xfrm_stateonly_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
+xfrm_stateonly_find(struct net *net, u32 mark,
+ xfrm_address_t *daddr, xfrm_address_t *saddr,
unsigned short family, u8 mode, u8 proto, u32 reqid)
{
unsigned int h;
struct hlist_node *entry;
spin_lock(&xfrm_state_lock);
- h = xfrm_dst_hash(daddr, saddr, reqid, family);
- hlist_for_each_entry(x, entry, xfrm_state_bydst+h, bydst) {
+ h = xfrm_dst_hash(net, daddr, 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 &&
!(x->props.flags & XFRM_STATE_WILDRECV) &&
xfrm_state_addr_check(x, daddr, saddr, family) &&
mode == x->props.mode &&
static void __xfrm_state_insert(struct xfrm_state *x)
{
+ struct net *net = xs_net(x);
unsigned int h;
- x->genid = ++xfrm_state_genid;
+ list_add(&x->km.all, &net->xfrm.state_all);
- list_add_tail(&x->all, &xfrm_state_all);
-
- h = xfrm_dst_hash(&x->id.daddr, &x->props.saddr,
+ h = xfrm_dst_hash(net, &x->id.daddr, &x->props.saddr,
x->props.reqid, x->props.family);
- hlist_add_head(&x->bydst, xfrm_state_bydst+h);
+ hlist_add_head(&x->bydst, net->xfrm.state_bydst+h);
- h = xfrm_src_hash(&x->id.daddr, &x->props.saddr, x->props.family);
- hlist_add_head(&x->bysrc, xfrm_state_bysrc+h);
+ h = xfrm_src_hash(net, &x->id.daddr, &x->props.saddr, x->props.family);
+ hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h);
if (x->id.spi) {
- h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto,
+ h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto,
x->props.family);
- hlist_add_head(&x->byspi, xfrm_state_byspi+h);
+ hlist_add_head(&x->byspi, net->xfrm.state_byspi+h);
}
- mod_timer(&x->timer, jiffies + HZ);
+ tasklet_hrtimer_start(&x->mtimer, ktime_set(1, 0), HRTIMER_MODE_REL);
if (x->replay_maxage)
mod_timer(&x->rtimer, jiffies + x->replay_maxage);
- wake_up(&km_waitq);
+ wake_up(&net->xfrm.km_waitq);
- xfrm_state_num++;
+ net->xfrm.state_num++;
- xfrm_hash_grow_check(x->bydst.next != NULL);
+ xfrm_hash_grow_check(net, x->bydst.next != NULL);
}
/* xfrm_state_lock is held */
static void __xfrm_state_bump_genids(struct xfrm_state *xnew)
{
+ struct net *net = xs_net(xnew);
unsigned short family = xnew->props.family;
u32 reqid = xnew->props.reqid;
struct xfrm_state *x;
struct hlist_node *entry;
unsigned int h;
+ u32 mark = xnew->mark.v & xnew->mark.m;
- h = xfrm_dst_hash(&xnew->id.daddr, &xnew->props.saddr, reqid, family);
- hlist_for_each_entry(x, entry, xfrm_state_bydst+h, bydst) {
+ 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;
+ x->genid++;
}
}
EXPORT_SYMBOL(xfrm_state_insert);
/* xfrm_state_lock is held */
-static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 reqid, u8 proto, xfrm_address_t *daddr, xfrm_address_t *saddr, int create)
+static struct xfrm_state *__find_acq_core(struct net *net, struct xfrm_mark *m, unsigned short family, u8 mode, u32 reqid, u8 proto, xfrm_address_t *daddr, xfrm_address_t *saddr, int create)
{
- unsigned int h = xfrm_dst_hash(daddr, saddr, reqid, family);
+ 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, xfrm_state_bydst+h, bydst) {
+ hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
if (x->props.reqid != reqid ||
x->props.mode != mode ||
x->props.family != family ||
x->km.state != XFRM_STATE_ACQ ||
x->id.spi != 0 ||
- x->id.proto != proto)
+ 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;
- switch (family) {
- case AF_INET:
- if (x->id.daddr.a4 != daddr->a4 ||
- x->props.saddr.a4 != saddr->a4)
- continue;
- break;
- case AF_INET6:
- if (!ipv6_addr_equal((struct in6_addr *)x->id.daddr.a6,
- (struct in6_addr *)daddr) ||
- !ipv6_addr_equal((struct in6_addr *)
- x->props.saddr.a6,
- (struct in6_addr *)saddr))
- continue;
- break;
- }
-
xfrm_state_hold(x);
return x;
}
if (!create)
return NULL;
- x = xfrm_state_alloc();
+ x = xfrm_state_alloc(net);
if (likely(x)) {
switch (family) {
case AF_INET:
x->props.family = family;
x->props.mode = mode;
x->props.reqid = reqid;
- x->lft.hard_add_expires_seconds = sysctl_xfrm_acq_expires;
+ x->mark.v = m->v;
+ x->mark.m = m->m;
+ x->lft.hard_add_expires_seconds = net->xfrm.sysctl_acq_expires;
xfrm_state_hold(x);
- x->timer.expires = jiffies + sysctl_xfrm_acq_expires*HZ;
- add_timer(&x->timer);
- list_add_tail(&x->all, &xfrm_state_all);
- hlist_add_head(&x->bydst, xfrm_state_bydst+h);
- h = xfrm_src_hash(daddr, saddr, family);
- hlist_add_head(&x->bysrc, xfrm_state_bysrc+h);
+ tasklet_hrtimer_start(&x->mtimer, ktime_set(net->xfrm.sysctl_acq_expires, 0), HRTIMER_MODE_REL);
+ list_add(&x->km.all, &net->xfrm.state_all);
+ hlist_add_head(&x->bydst, net->xfrm.state_bydst+h);
+ h = xfrm_src_hash(net, daddr, saddr, family);
+ hlist_add_head(&x->bysrc, net->xfrm.state_bysrc+h);
- xfrm_state_num++;
+ net->xfrm.state_num++;
- xfrm_hash_grow_check(x->bydst.next != NULL);
+ xfrm_hash_grow_check(net, x->bydst.next != NULL);
}
return x;
}
-static struct xfrm_state *__xfrm_find_acq_byseq(u32 seq);
+static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq);
int xfrm_state_add(struct xfrm_state *x)
{
+ struct net *net = xs_net(x);
struct xfrm_state *x1, *to_put;
int family;
int err;
+ u32 mark = x->mark.v & x->mark.m;
int use_spi = xfrm_id_proto_match(x->id.proto, IPSEC_PROTO_ANY);
family = x->props.family;
}
if (use_spi && x->km.seq) {
- x1 = __xfrm_find_acq_byseq(x->km.seq);
+ x1 = __xfrm_find_acq_byseq(net, mark, x->km.seq);
if (x1 && ((x1->id.proto != x->id.proto) ||
xfrm_addr_cmp(&x1->id.daddr, &x->id.daddr, family))) {
to_put = x1;
}
if (use_spi && !x1)
- x1 = __find_acq_core(family, x->props.mode, x->props.reqid,
- x->id.proto,
+ x1 = __find_acq_core(net, &x->mark, family, x->props.mode,
+ x->props.reqid, x->id.proto,
&x->id.daddr, &x->props.saddr, 0);
__xfrm_state_bump_genids(x);
#ifdef CONFIG_XFRM_MIGRATE
static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp)
{
+ struct net *net = xs_net(orig);
int err = -ENOMEM;
- struct xfrm_state *x = xfrm_state_alloc();
+ struct xfrm_state *x = xfrm_state_alloc(net);
if (!x)
- goto error;
+ goto out;
memcpy(&x->id, &orig->id, sizeof(x->id));
memcpy(&x->sel, &orig->sel, sizeof(x->sel));
x->props.saddr = orig->props.saddr;
if (orig->aalg) {
- x->aalg = xfrm_algo_clone(orig->aalg);
+ x->aalg = xfrm_algo_auth_clone(orig->aalg);
if (!x->aalg)
goto error;
}
goto error;
}
+ memcpy(&x->mark, &orig->mark, sizeof(x->mark));
+
err = xfrm_init_state(x);
if (err)
goto error;
return x;
error:
+ xfrm_state_put(x);
+out:
if (errp)
*errp = err;
- if (x) {
- kfree(x->aalg);
- kfree(x->ealg);
- kfree(x->calg);
- kfree(x->encap);
- kfree(x->coaddr);
- }
- kfree(x);
return NULL;
}
struct hlist_node *entry;
if (m->reqid) {
- h = xfrm_dst_hash(&m->old_daddr, &m->old_saddr,
+ h = xfrm_dst_hash(&init_net, &m->old_daddr, &m->old_saddr,
m->reqid, m->old_family);
- hlist_for_each_entry(x, entry, xfrm_state_bydst+h, bydst) {
+ hlist_for_each_entry(x, entry, init_net.xfrm.state_bydst+h, bydst) {
if (x->props.mode != m->mode ||
x->id.proto != m->proto)
continue;
return x;
}
} else {
- h = xfrm_src_hash(&m->old_daddr, &m->old_saddr,
+ h = xfrm_src_hash(&init_net, &m->old_daddr, &m->old_saddr,
m->old_family);
- hlist_for_each_entry(x, entry, xfrm_state_bysrc+h, bysrc) {
+ hlist_for_each_entry(x, entry, init_net.xfrm.state_bysrc+h, bysrc) {
if (x->props.mode != m->mode ||
x->id.proto != m->proto)
continue;
memcpy(&x1->lft, &x->lft, sizeof(x1->lft));
x1->km.dying = 0;
- mod_timer(&x1->timer, jiffies + HZ);
+ tasklet_hrtimer_start(&x1->mtimer, ktime_set(1, 0), HRTIMER_MODE_REL);
if (x1->curlft.use_time)
xfrm_state_check_expire(x1);
if (x->curlft.bytes >= x->lft.hard_byte_limit ||
x->curlft.packets >= x->lft.hard_packet_limit) {
x->km.state = XFRM_STATE_EXPIRED;
- mod_timer(&x->timer, jiffies);
+ tasklet_hrtimer_start(&x->mtimer, ktime_set(0,0), HRTIMER_MODE_REL);
return -EINVAL;
}
EXPORT_SYMBOL(xfrm_state_check_expire);
struct xfrm_state *
-xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto,
- unsigned short family)
+xfrm_state_lookup(struct net *net, u32 mark, xfrm_address_t *daddr, __be32 spi,
+ u8 proto, unsigned short family)
{
struct xfrm_state *x;
spin_lock_bh(&xfrm_state_lock);
- x = __xfrm_state_lookup(daddr, spi, proto, family);
+ x = __xfrm_state_lookup(net, mark, daddr, spi, proto, family);
spin_unlock_bh(&xfrm_state_lock);
return x;
}
EXPORT_SYMBOL(xfrm_state_lookup);
struct xfrm_state *
-xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr,
+xfrm_state_lookup_byaddr(struct net *net, u32 mark,
+ xfrm_address_t *daddr, xfrm_address_t *saddr,
u8 proto, unsigned short family)
{
struct xfrm_state *x;
spin_lock_bh(&xfrm_state_lock);
- x = __xfrm_state_lookup_byaddr(daddr, saddr, proto, family);
+ x = __xfrm_state_lookup_byaddr(net, mark, daddr, saddr, proto, family);
spin_unlock_bh(&xfrm_state_lock);
return x;
}
EXPORT_SYMBOL(xfrm_state_lookup_byaddr);
struct xfrm_state *
-xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
+xfrm_find_acq(struct net *net, struct xfrm_mark *mark, u8 mode, u32 reqid, u8 proto,
xfrm_address_t *daddr, xfrm_address_t *saddr,
int create, unsigned short family)
{
struct xfrm_state *x;
spin_lock_bh(&xfrm_state_lock);
- x = __find_acq_core(family, mode, reqid, proto, daddr, saddr, create);
+ x = __find_acq_core(net, mark, family, mode, reqid, proto, daddr, saddr, create);
spin_unlock_bh(&xfrm_state_lock);
return x;
/* Silly enough, but I'm lazy to build resolution list */
-static struct xfrm_state *__xfrm_find_acq_byseq(u32 seq)
+static struct xfrm_state *__xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq)
{
int i;
- for (i = 0; i <= xfrm_state_hmask; i++) {
+ for (i = 0; i <= net->xfrm.state_hmask; i++) {
struct hlist_node *entry;
struct xfrm_state *x;
- hlist_for_each_entry(x, entry, xfrm_state_bydst+i, bydst) {
+ 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;
return NULL;
}
-struct xfrm_state *xfrm_find_acq_byseq(u32 seq)
+struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq)
{
struct xfrm_state *x;
spin_lock_bh(&xfrm_state_lock);
- x = __xfrm_find_acq_byseq(seq);
+ x = __xfrm_find_acq_byseq(net, mark, seq);
spin_unlock_bh(&xfrm_state_lock);
return x;
}
u32 xfrm_get_acqseq(void)
{
u32 res;
- static u32 acqseq;
- static DEFINE_SPINLOCK(acqseq_lock);
+ static atomic_t acqseq;
+
+ do {
+ res = atomic_inc_return(&acqseq);
+ } while (!res);
- spin_lock_bh(&acqseq_lock);
- res = (++acqseq ? : ++acqseq);
- spin_unlock_bh(&acqseq_lock);
return res;
}
EXPORT_SYMBOL(xfrm_get_acqseq);
int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high)
{
+ struct net *net = xs_net(x);
unsigned int h;
struct xfrm_state *x0;
int err = -ENOENT;
__be32 minspi = htonl(low);
__be32 maxspi = htonl(high);
+ u32 mark = x->mark.v & x->mark.m;
spin_lock_bh(&x->lock);
if (x->km.state == XFRM_STATE_DEAD)
err = -ENOENT;
if (minspi == maxspi) {
- x0 = xfrm_state_lookup(&x->id.daddr, minspi, x->id.proto, x->props.family);
+ x0 = xfrm_state_lookup(net, mark, &x->id.daddr, minspi, x->id.proto, x->props.family);
if (x0) {
xfrm_state_put(x0);
goto unlock;
u32 spi = 0;
for (h=0; h<high-low+1; h++) {
spi = low + net_random()%(high-low+1);
- x0 = xfrm_state_lookup(&x->id.daddr, htonl(spi), x->id.proto, x->props.family);
+ x0 = xfrm_state_lookup(net, mark, &x->id.daddr, htonl(spi), x->id.proto, x->props.family);
if (x0 == NULL) {
x->id.spi = htonl(spi);
break;
}
if (x->id.spi) {
spin_lock_bh(&xfrm_state_lock);
- h = xfrm_spi_hash(&x->id.daddr, x->id.spi, x->id.proto, x->props.family);
- hlist_add_head(&x->byspi, xfrm_state_byspi+h);
+ h = xfrm_spi_hash(net, &x->id.daddr, x->id.spi, x->id.proto, x->props.family);
+ hlist_add_head(&x->byspi, net->xfrm.state_byspi+h);
spin_unlock_bh(&xfrm_state_lock);
err = 0;
}
EXPORT_SYMBOL(xfrm_alloc_spi);
-int xfrm_state_walk(struct xfrm_state_walk *walk,
+int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,
int (*func)(struct xfrm_state *, int, void*),
void *data)
{
- struct xfrm_state *old, *x, *last = NULL;
+ struct xfrm_state *state;
+ struct xfrm_state_walk *x;
int err = 0;
- if (walk->state == NULL && walk->count != 0)
+ if (walk->seq != 0 && list_empty(&walk->all))
return 0;
- old = x = walk->state;
- walk->state = NULL;
spin_lock_bh(&xfrm_state_lock);
- if (x == NULL)
- x = list_first_entry(&xfrm_state_all, struct xfrm_state, all);
- list_for_each_entry_from(x, &xfrm_state_all, all) {
- if (x->km.state == XFRM_STATE_DEAD)
+ if (list_empty(&walk->all))
+ x = list_first_entry(&net->xfrm.state_all, struct xfrm_state_walk, all);
+ else
+ x = list_entry(&walk->all, struct xfrm_state_walk, all);
+ list_for_each_entry_from(x, &net->xfrm.state_all, all) {
+ if (x->state == XFRM_STATE_DEAD)
continue;
- if (!xfrm_id_proto_match(x->id.proto, walk->proto))
+ state = container_of(x, struct xfrm_state, km);
+ if (!xfrm_id_proto_match(state->id.proto, walk->proto))
continue;
- if (last) {
- err = func(last, walk->count, data);
- if (err) {
- xfrm_state_hold(last);
- walk->state = last;
- goto out;
- }
+ err = func(state, walk->seq, data);
+ if (err) {
+ list_move_tail(&walk->all, &x->all);
+ goto out;
}
- last = x;
- walk->count++;
+ walk->seq++;
}
- if (walk->count == 0) {
+ if (walk->seq == 0) {
err = -ENOENT;
goto out;
}
- if (last)
- err = func(last, 0, data);
+ list_del_init(&walk->all);
out:
spin_unlock_bh(&xfrm_state_lock);
- if (old != NULL)
- xfrm_state_put(old);
return err;
}
EXPORT_SYMBOL(xfrm_state_walk);
void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto)
{
+ INIT_LIST_HEAD(&walk->all);
walk->proto = proto;
- walk->state = NULL;
- walk->count = 0;
- list_add_tail(&walk->list, &xfrm_state_walks);
- walk->genid = ++xfrm_state_walk_ongoing;
+ walk->state = XFRM_STATE_DEAD;
+ walk->seq = 0;
}
EXPORT_SYMBOL(xfrm_state_walk_init);
void xfrm_state_walk_done(struct xfrm_state_walk *walk)
{
- struct list_head *prev;
-
- if (walk->state != NULL) {
- xfrm_state_put(walk->state);
- walk->state = NULL;
- }
-
- prev = walk->list.prev;
- list_del(&walk->list);
-
- if (prev != &xfrm_state_walks) {
- list_entry(prev, struct xfrm_state_walk, list)->genid =
- walk->genid;
+ if (list_empty(&walk->all))
return;
- }
-
- xfrm_state_walk_completed = walk->genid;
- if (!list_empty(&xfrm_state_gc_leftovers))
- schedule_work(&xfrm_state_gc_work);
+ spin_lock_bh(&xfrm_state_lock);
+ list_del(&walk->all);
+ spin_unlock_bh(&xfrm_state_lock);
}
EXPORT_SYMBOL(xfrm_state_walk_done);
spin_lock(&x->lock);
if (x->km.state == XFRM_STATE_VALID) {
- if (xfrm_aevent_is_on())
+ if (xfrm_aevent_is_on(xs_net(x)))
xfrm_replay_notify(x, XFRM_REPLAY_TIMEOUT);
else
x->xflags |= XFRM_TIME_DEFER;
x->replay.bitmap |= (1U << diff);
}
- if (xfrm_aevent_is_on())
+ if (xfrm_aevent_is_on(xs_net(x)))
xfrm_replay_notify(x, XFRM_REPLAY_UPDATE);
}
void km_state_expired(struct xfrm_state *x, int hard, u32 pid)
{
+ struct net *net = xs_net(x);
struct km_event c;
c.data.hard = hard;
km_state_notify(x, &c);
if (hard)
- wake_up(&km_waitq);
+ wake_up(&net->xfrm.km_waitq);
}
EXPORT_SYMBOL(km_state_expired);
void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid)
{
+ struct net *net = xp_net(pol);
struct km_event c;
c.data.hard = hard;
km_policy_notify(pol, dir, &c);
if (hard)
- wake_up(&km_waitq);
+ wake_up(&net->xfrm.km_waitq);
}
EXPORT_SYMBOL(km_policy_expired);
#ifdef CONFIG_XFRM_MIGRATE
int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
- struct xfrm_migrate *m, int num_migrate)
+ struct xfrm_migrate *m, int num_migrate,
+ struct xfrm_kmaddress *k)
{
int err = -EINVAL;
int ret;
read_lock(&xfrm_km_lock);
list_for_each_entry(km, &xfrm_km_list, list) {
if (km->migrate) {
- ret = km->migrate(sel, dir, type, m, num_migrate);
+ ret = km->migrate(sel, dir, type, m, num_migrate, k);
if (!ret)
err = ret;
}
EXPORT_SYMBOL(km_migrate);
#endif
-int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr)
+int km_report(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr)
{
int err = -EINVAL;
int ret;
read_lock(&xfrm_km_lock);
list_for_each_entry(km, &xfrm_km_list, list) {
if (km->report) {
- ret = km->report(proto, sel, addr);
+ ret = km->report(net, proto, sel, addr);
if (!ret)
err = ret;
}
x->inner_mode = inner_mode;
} else {
struct xfrm_mode *inner_mode_iaf;
+ int iafamily = AF_INET;
- inner_mode = xfrm_get_mode(x->props.mode, AF_INET);
+ inner_mode = xfrm_get_mode(x->props.mode, x->props.family);
if (inner_mode == NULL)
goto error;
xfrm_put_mode(inner_mode);
goto error;
}
+ x->inner_mode = inner_mode;
- inner_mode_iaf = xfrm_get_mode(x->props.mode, AF_INET6);
- if (inner_mode_iaf == NULL)
- goto error;
-
- if (!(inner_mode_iaf->flags & XFRM_MODE_FLAG_TUNNEL)) {
- xfrm_put_mode(inner_mode_iaf);
- goto error;
- }
+ if (x->props.family == AF_INET)
+ iafamily = AF_INET6;
- if (x->props.family == AF_INET) {
- x->inner_mode = inner_mode;
- x->inner_mode_iaf = inner_mode_iaf;
- } else {
- x->inner_mode = inner_mode_iaf;
- x->inner_mode_iaf = inner_mode;
+ inner_mode_iaf = xfrm_get_mode(x->props.mode, iafamily);
+ if (inner_mode_iaf) {
+ if (inner_mode_iaf->flags & XFRM_MODE_FLAG_TUNNEL)
+ x->inner_mode_iaf = inner_mode_iaf;
+ else
+ xfrm_put_mode(inner_mode_iaf);
}
}
EXPORT_SYMBOL(xfrm_init_state);
-void __init xfrm_state_init(void)
+int __net_init xfrm_state_init(struct net *net)
{
unsigned int sz;
+ INIT_LIST_HEAD(&net->xfrm.state_all);
+
sz = sizeof(struct hlist_head) * 8;
- xfrm_state_bydst = xfrm_hash_alloc(sz);
- xfrm_state_bysrc = xfrm_hash_alloc(sz);
- xfrm_state_byspi = xfrm_hash_alloc(sz);
- if (!xfrm_state_bydst || !xfrm_state_bysrc || !xfrm_state_byspi)
- panic("XFRM: Cannot allocate bydst/bysrc/byspi hashes.");
- xfrm_state_hmask = ((sz / sizeof(struct hlist_head)) - 1);
+ net->xfrm.state_bydst = xfrm_hash_alloc(sz);
+ if (!net->xfrm.state_bydst)
+ goto out_bydst;
+ net->xfrm.state_bysrc = xfrm_hash_alloc(sz);
+ if (!net->xfrm.state_bysrc)
+ goto out_bysrc;
+ net->xfrm.state_byspi = xfrm_hash_alloc(sz);
+ if (!net->xfrm.state_byspi)
+ goto out_byspi;
+ net->xfrm.state_hmask = ((sz / sizeof(struct hlist_head)) - 1);
+
+ net->xfrm.state_num = 0;
+ INIT_WORK(&net->xfrm.state_hash_work, xfrm_hash_resize);
+ INIT_HLIST_HEAD(&net->xfrm.state_gc_list);
+ INIT_WORK(&net->xfrm.state_gc_work, xfrm_state_gc_task);
+ init_waitqueue_head(&net->xfrm.km_waitq);
+ return 0;
+
+out_byspi:
+ xfrm_hash_free(net->xfrm.state_bysrc, sz);
+out_bysrc:
+ xfrm_hash_free(net->xfrm.state_bydst, sz);
+out_bydst:
+ return -ENOMEM;
+}
+
+void xfrm_state_fini(struct net *net)
+{
+ struct xfrm_audit audit_info;
+ unsigned int sz;
+
+ flush_work(&net->xfrm.state_hash_work);
+ audit_info.loginuid = -1;
+ audit_info.sessionid = -1;
+ audit_info.secid = 0;
+ xfrm_state_flush(net, IPSEC_PROTO_ANY, &audit_info);
+ flush_work(&net->xfrm.state_gc_work);
+
+ WARN_ON(!list_empty(&net->xfrm.state_all));
- INIT_WORK(&xfrm_state_gc_work, xfrm_state_gc_task);
+ sz = (net->xfrm.state_hmask + 1) * sizeof(struct hlist_head);
+ WARN_ON(!hlist_empty(net->xfrm.state_byspi));
+ xfrm_hash_free(net->xfrm.state_byspi, sz);
+ WARN_ON(!hlist_empty(net->xfrm.state_bysrc));
+ xfrm_hash_free(net->xfrm.state_bysrc, sz);
+ WARN_ON(!hlist_empty(net->xfrm.state_bydst));
+ xfrm_hash_free(net->xfrm.state_bydst, sz);
}
#ifdef CONFIG_AUDITSYSCALL
switch(x->props.family) {
case AF_INET:
- audit_log_format(audit_buf,
- " src=" NIPQUAD_FMT " dst=" NIPQUAD_FMT,
- NIPQUAD(x->props.saddr.a4),
- NIPQUAD(x->id.daddr.a4));
+ audit_log_format(audit_buf, " src=%pI4 dst=%pI4",
+ &x->props.saddr.a4, &x->id.daddr.a4);
break;
case AF_INET6:
- audit_log_format(audit_buf,
- " src=" NIP6_FMT " dst=" NIP6_FMT,
- NIP6(*(struct in6_addr *)x->props.saddr.a6),
- NIP6(*(struct in6_addr *)x->id.daddr.a6));
+ audit_log_format(audit_buf, " src=%pI6 dst=%pI6",
+ x->props.saddr.a6, x->id.daddr.a6);
break;
}
switch (family) {
case AF_INET:
iph4 = ip_hdr(skb);
- audit_log_format(audit_buf,
- " src=" NIPQUAD_FMT " dst=" NIPQUAD_FMT,
- NIPQUAD(iph4->saddr),
- NIPQUAD(iph4->daddr));
+ audit_log_format(audit_buf, " src=%pI4 dst=%pI4",
+ &iph4->saddr, &iph4->daddr);
break;
case AF_INET6:
iph6 = ipv6_hdr(skb);
audit_log_format(audit_buf,
- " src=" NIP6_FMT " dst=" NIP6_FMT
- " flowlbl=0x%x%02x%02x",
- NIP6(iph6->saddr),
- NIP6(iph6->daddr),
+ " src=%pI6 dst=%pI6 flowlbl=0x%x%02x%02x",
+ &iph6->saddr,&iph6->daddr,
iph6->flow_lbl[0] & 0x0f,
iph6->flow_lbl[1],
iph6->flow_lbl[2]);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff