#include <net/route.h>
#include <net/ipv6.h>
#include <net/ip6_fib.h>
+#ifdef CONFIG_XFRM_STATISTICS
+#include <net/snmp.h>
+#endif
#define XFRM_PROTO_ESP 50
#define XFRM_PROTO_AH 51
#define MODULE_ALIAS_XFRM_TYPE(family, proto) \
MODULE_ALIAS("xfrm-type-" __stringify(family) "-" __stringify(proto))
-extern struct sock *xfrm_nl;
-extern u32 sysctl_xfrm_aevent_etime;
-extern u32 sysctl_xfrm_aevent_rseqth;
-extern int sysctl_xfrm_larval_drop;
-extern u32 sysctl_xfrm_acq_expires;
+#ifdef CONFIG_XFRM_STATISTICS
+#define XFRM_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.xfrm_statistics, field)
+#define XFRM_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.xfrm_statistics, field)
+#define XFRM_INC_STATS_USER(net, field) SNMP_INC_STATS_USER((net)-mib.xfrm_statistics, field)
+#else
+#define XFRM_INC_STATS(net, field) ((void)(net))
+#define XFRM_INC_STATS_BH(net, field) ((void)(net))
+#define XFRM_INC_STATS_USER(net, field) ((void)(net))
+#endif
extern struct mutex xfrm_cfg_mutex;
metrics. Plus, it will be made via sk->sk_dst_cache. Solved.
*/
+struct xfrm_state_walk {
+ struct list_head all;
+ u8 state;
+ union {
+ u8 dying;
+ u8 proto;
+ };
+ u32 seq;
+};
+
/* Full description of state of transformer. */
struct xfrm_state
{
- /* Note: bydst is re-used during gc */
- struct hlist_node bydst;
+#ifdef CONFIG_NET_NS
+ struct net *xs_net;
+#endif
+ union {
+ struct hlist_node gclist;
+ struct hlist_node bydst;
+ };
struct hlist_node bysrc;
struct hlist_node byspi;
u32 genid;
- /* Key manger bits */
- struct {
- u8 state;
- u8 dying;
- u32 seq;
- } km;
+ /* Key manager bits */
+ struct xfrm_state_walk km;
/* Parameters of this state. */
struct {
struct xfrm_algo *aalg;
struct xfrm_algo *ealg;
struct xfrm_algo *calg;
+ struct xfrm_algo_aead *aead;
/* Data for encapsulator */
struct xfrm_encap_tmpl *encap;
/* Reference to data common to all the instances of this
* transformer. */
- struct xfrm_type *type;
+ const struct xfrm_type *type;
struct xfrm_mode *inner_mode;
+ struct xfrm_mode *inner_mode_iaf;
struct xfrm_mode *outer_mode;
/* Security context */
void *data;
};
+static inline struct net *xs_net(struct xfrm_state *x)
+{
+ return read_pnet(&x->xs_net);
+}
+
/* xflags - make enum if more show up */
#define XFRM_TIME_DEFER 1
u32 seq;
u32 pid;
u32 event;
+ struct net *net;
};
struct net_device;
struct xfrm_policy_afinfo {
unsigned short family;
struct dst_ops *dst_ops;
- void (*garbage_collect)(void);
- struct dst_entry *(*dst_lookup)(int tos, xfrm_address_t *saddr,
+ void (*garbage_collect)(struct net *net);
+ struct dst_entry *(*dst_lookup)(struct net *net, int tos,
+ xfrm_address_t *saddr,
xfrm_address_t *daddr);
- int (*get_saddr)(xfrm_address_t *saddr, xfrm_address_t *daddr);
+ int (*get_saddr)(struct net *net, xfrm_address_t *saddr, xfrm_address_t *daddr);
struct dst_entry *(*find_bundle)(struct flowi *fl, struct xfrm_policy *policy);
void (*decode_session)(struct sk_buff *skb,
struct flowi *fl,
struct xfrm_state_afinfo {
unsigned int family;
unsigned int proto;
- unsigned int eth_proto;
+ __be16 eth_proto;
struct module *owner;
- struct xfrm_type *type_map[IPPROTO_MAX];
+ const struct xfrm_type *type_map[IPPROTO_MAX];
struct xfrm_mode *mode_map[XFRM_MODE_MAX];
int (*init_flags)(struct xfrm_state *x);
void (*init_tempsel)(struct xfrm_state *x, struct flowi *fl,
u32 (*get_mtu)(struct xfrm_state *, int size);
};
-extern int xfrm_register_type(struct xfrm_type *type, unsigned short family);
-extern int xfrm_unregister_type(struct xfrm_type *type, unsigned short family);
+extern int xfrm_register_type(const struct xfrm_type *type, unsigned short family);
+extern int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family);
struct xfrm_mode {
/*
extern int xfrm_register_mode(struct xfrm_mode *mode, int family);
extern int xfrm_unregister_mode(struct xfrm_mode *mode, int family);
+static inline int xfrm_af2proto(unsigned int family)
+{
+ switch(family) {
+ case AF_INET:
+ return IPPROTO_IPIP;
+ case AF_INET6:
+ return IPPROTO_IPV6;
+ default:
+ return 0;
+ }
+}
+
+static inline struct xfrm_mode *xfrm_ip2inner_mode(struct xfrm_state *x, int ipproto)
+{
+ if ((ipproto == IPPROTO_IPIP && x->props.family == AF_INET) ||
+ (ipproto == IPPROTO_IPV6 && x->props.family == AF_INET6))
+ return x->inner_mode;
+ else
+ return x->inner_mode_iaf;
+}
+
struct xfrm_tmpl
{
/* id in template is interpreted as:
/* May skip this transfomration if no SA is found */
__u8 optional;
+/* Skip aalgos/ealgos/calgos checks. */
+ __u8 allalgs;
+
/* Bit mask of algos allowed for acquisition */
__u32 aalgos;
__u32 ealgos;
#define XFRM_MAX_DEPTH 6
+struct xfrm_policy_walk_entry {
+ struct list_head all;
+ u8 dead;
+};
+
+struct xfrm_policy_walk {
+ struct xfrm_policy_walk_entry walk;
+ u8 type;
+ u32 seq;
+};
+
struct xfrm_policy
{
- struct xfrm_policy *next;
+#ifdef CONFIG_NET_NS
+ struct net *xp_net;
+#endif
struct hlist_node bydst;
struct hlist_node byidx;
struct xfrm_lifetime_cfg lft;
struct xfrm_lifetime_cur curlft;
struct dst_entry *bundles;
- u16 family;
+ struct xfrm_policy_walk_entry walk;
u8 type;
u8 action;
u8 flags;
- u8 dead;
u8 xfrm_nr;
- /* XXX 1 byte hole, try to pack */
+ u16 family;
struct xfrm_sec_ctx *security;
struct xfrm_tmpl xfrm_vec[XFRM_MAX_DEPTH];
};
+static inline struct net *xp_net(struct xfrm_policy *xp)
+{
+ return read_pnet(&xp->xp_net);
+}
+
+struct xfrm_kmaddress {
+ xfrm_address_t local;
+ xfrm_address_t remote;
+ u32 reserved;
+ u16 family;
+};
+
struct xfrm_migrate {
xfrm_address_t old_daddr;
xfrm_address_t old_saddr;
struct xfrm_policy *(*compile_policy)(struct sock *sk, int opt, u8 *data, int len, int *dir);
int (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
int (*notify_policy)(struct xfrm_policy *x, int dir, struct km_event *c);
- int (*report)(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
- int (*migrate)(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles);
+ int (*report)(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
+ int (*migrate)(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles, struct xfrm_kmaddress *k);
};
extern int xfrm_register_km(struct xfrm_mgr *km);
extern int xfrm_unregister_km(struct xfrm_mgr *km);
-extern unsigned int xfrm_policy_count[XFRM_POLICY_MAX*2];
-
/*
* This structure is used for the duration where packets are being
* transformed by IPsec. As soon as the packet leaves IPsec the
} header;
/* Sequence number for replay protection. */
- u64 seq;
+ union {
+ u64 output;
+ __be32 input;
+ } seq;
};
#define XFRM_SKB_CB(__skb) ((struct xfrm_skb_cb *)&((__skb)->cb[0]))
__be16 id;
__be16 frag_off;
+ /* IP header length (excluding options or extension headers). */
+ u8 ihl;
+
/* TOS for IPv4, class for IPv6. */
u8 tos;
/* Protocol for IPv4, NH for IPv6. */
u8 protocol;
+ /* Option length for IPv4, zero for IPv6. */
+ u8 optlen;
+
/* Used by IPv6 only, zero for IPv4. */
u8 flow_lbl[3];
};
/* Audit Information */
struct xfrm_audit
{
- u32 loginuid;
u32 secid;
+ uid_t loginuid;
+ u32 sessionid;
};
#ifdef CONFIG_AUDITSYSCALL
-static inline struct audit_buffer *xfrm_audit_start(u32 auid, u32 sid)
+static inline struct audit_buffer *xfrm_audit_start(const char *op)
{
struct audit_buffer *audit_buf = NULL;
- char *secctx;
- u32 secctx_len;
+ if (audit_enabled == 0)
+ return NULL;
audit_buf = audit_log_start(current->audit_context, GFP_ATOMIC,
- AUDIT_MAC_IPSEC_EVENT);
+ AUDIT_MAC_IPSEC_EVENT);
if (audit_buf == NULL)
return NULL;
+ audit_log_format(audit_buf, "op=%s", op);
+ return audit_buf;
+}
- audit_log_format(audit_buf, "auid=%u", auid);
+static inline void xfrm_audit_helper_usrinfo(uid_t auid, u32 ses, u32 secid,
+ struct audit_buffer *audit_buf)
+{
+ char *secctx;
+ u32 secctx_len;
- if (sid != 0 &&
- security_secid_to_secctx(sid, &secctx, &secctx_len) == 0) {
+ audit_log_format(audit_buf, " auid=%u ses=%u", auid, ses);
+ if (secid != 0 &&
+ security_secid_to_secctx(secid, &secctx, &secctx_len) == 0) {
audit_log_format(audit_buf, " subj=%s", secctx);
security_release_secctx(secctx, secctx_len);
} else
audit_log_task_context(audit_buf);
- return audit_buf;
}
extern void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
- u32 auid, u32 sid);
+ u32 auid, u32 ses, u32 secid);
extern void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result,
- u32 auid, u32 sid);
+ u32 auid, u32 ses, u32 secid);
extern void xfrm_audit_state_add(struct xfrm_state *x, int result,
- u32 auid, u32 sid);
+ u32 auid, u32 ses, u32 secid);
extern void xfrm_audit_state_delete(struct xfrm_state *x, int result,
- u32 auid, u32 sid);
+ u32 auid, u32 ses, u32 secid);
+extern void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
+ struct sk_buff *skb);
+extern void xfrm_audit_state_notfound_simple(struct sk_buff *skb, u16 family);
+extern void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
+ __be32 net_spi, __be32 net_seq);
+extern void xfrm_audit_state_icvfail(struct xfrm_state *x,
+ struct sk_buff *skb, u8 proto);
#else
-#define xfrm_audit_policy_add(x, r, a, s) do { ; } while (0)
-#define xfrm_audit_policy_delete(x, r, a, s) do { ; } while (0)
-#define xfrm_audit_state_add(x, r, a, s) do { ; } while (0)
-#define xfrm_audit_state_delete(x, r, a, s) do { ; } while (0)
+
+static inline void xfrm_audit_policy_add(struct xfrm_policy *xp, int result,
+ u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_policy_delete(struct xfrm_policy *xp, int result,
+ u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_state_add(struct xfrm_state *x, int result,
+ u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_state_delete(struct xfrm_state *x, int result,
+ u32 auid, u32 ses, u32 secid)
+{
+}
+
+static inline void xfrm_audit_state_replay_overflow(struct xfrm_state *x,
+ struct sk_buff *skb)
+{
+}
+
+static inline void xfrm_audit_state_notfound_simple(struct sk_buff *skb,
+ u16 family)
+{
+}
+
+static inline void xfrm_audit_state_notfound(struct sk_buff *skb, u16 family,
+ __be32 net_spi, __be32 net_seq)
+{
+}
+
+static inline void xfrm_audit_state_icvfail(struct xfrm_state *x,
+ struct sk_buff *skb, u8 proto)
+{
+}
#endif /* CONFIG_AUDITSYSCALL */
static inline void xfrm_pol_hold(struct xfrm_policy *policy)
atomic_inc(&policy->refcnt);
}
-extern void __xfrm_policy_destroy(struct xfrm_policy *policy);
+extern void xfrm_policy_destroy(struct xfrm_policy *policy);
static inline void xfrm_pol_put(struct xfrm_policy *policy)
{
if (atomic_dec_and_test(&policy->refcnt))
- __xfrm_policy_destroy(policy);
+ xfrm_policy_destroy(policy);
}
#ifdef CONFIG_XFRM_SUB_POLICY
u32 path_cookie;
};
+#ifdef CONFIG_XFRM
static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
{
dst_release(xdst->route);
xdst->partner = NULL;
#endif
}
+#endif
extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
struct sk_buff *skb,
unsigned int family, int reverse)
{
+ struct net *net = dev_net(skb->dev);
int ndir = dir | (reverse ? XFRM_POLICY_MASK + 1 : 0);
if (sk && sk->sk_policy[XFRM_POLICY_IN])
return __xfrm_policy_check(sk, ndir, skb, family);
- return (!xfrm_policy_count[dir] && !skb->sp) ||
+ return (!net->xfrm.policy_count[dir] && !skb->sp) ||
(skb->dst->flags & DST_NOPOLICY) ||
__xfrm_policy_check(sk, ndir, skb, family);
}
static inline int xfrm_route_forward(struct sk_buff *skb, unsigned short family)
{
- return !xfrm_policy_count[XFRM_POLICY_OUT] ||
+ struct net *net = dev_net(skb->dev);
+
+ return !net->xfrm.policy_count[XFRM_POLICY_OUT] ||
(skb->dst->flags & DST_NOXFRM) ||
__xfrm_route_forward(skb, family);
}
return NULL;
}
+static __inline__
+void xfrm_flowi_addr_get(struct flowi *fl,
+ xfrm_address_t *saddr, xfrm_address_t *daddr,
+ unsigned short family)
+{
+ switch(family) {
+ case AF_INET:
+ memcpy(&saddr->a4, &fl->fl4_src, sizeof(saddr->a4));
+ memcpy(&daddr->a4, &fl->fl4_dst, sizeof(daddr->a4));
+ break;
+ case AF_INET6:
+ ipv6_addr_copy((struct in6_addr *)&saddr->a6, &fl->fl6_src);
+ ipv6_addr_copy((struct in6_addr *)&daddr->a6, &fl->fl6_dst);
+ break;
+ }
+}
+
static __inline__ int
__xfrm4_state_addr_check(struct xfrm_state *x,
xfrm_address_t *daddr, xfrm_address_t *saddr)
/*
* xfrm algorithm information
*/
+struct xfrm_algo_aead_info {
+ u16 icv_truncbits;
+};
+
struct xfrm_algo_auth_info {
u16 icv_truncbits;
u16 icv_fullbits;
char *compat;
u8 available:1;
union {
+ struct xfrm_algo_aead_info aead;
struct xfrm_algo_auth_info auth;
struct xfrm_algo_encr_info encr;
struct xfrm_algo_comp_info comp;
extern void xfrm_init(void);
extern void xfrm4_init(void);
-extern void xfrm_state_init(void);
+extern int xfrm_state_init(struct net *net);
+extern void xfrm_state_fini(struct net *net);
extern void xfrm4_state_init(void);
#ifdef CONFIG_XFRM
extern int xfrm6_init(void);
}
#endif
-extern int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*), void *);
-extern struct xfrm_state *xfrm_state_alloc(void);
+#ifdef CONFIG_XFRM_STATISTICS
+extern int xfrm_proc_init(struct net *net);
+extern void xfrm_proc_fini(struct net *net);
+#endif
+
+extern int xfrm_sysctl_init(struct net *net);
+#ifdef CONFIG_SYSCTL
+extern void xfrm_sysctl_fini(struct net *net);
+#else
+static inline void xfrm_sysctl_fini(struct net *net)
+{
+}
+#endif
+
+extern void xfrm_state_walk_init(struct xfrm_state_walk *walk, u8 proto);
+extern int xfrm_state_walk(struct net *net, struct xfrm_state_walk *walk,
+ int (*func)(struct xfrm_state *, int, void*), void *);
+extern void xfrm_state_walk_done(struct xfrm_state_walk *walk);
+extern struct xfrm_state *xfrm_state_alloc(struct net *net);
extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
struct flowi *fl, struct xfrm_tmpl *tmpl,
struct xfrm_policy *pol, int *err,
unsigned short family);
-extern struct xfrm_state * xfrm_stateonly_find(xfrm_address_t *daddr,
+extern struct xfrm_state * xfrm_stateonly_find(struct net *net,
+ xfrm_address_t *daddr,
xfrm_address_t *saddr,
unsigned short family,
u8 mode, u8 proto, u32 reqid);
extern void xfrm_state_insert(struct xfrm_state *x);
extern int xfrm_state_add(struct xfrm_state *x);
extern int xfrm_state_update(struct xfrm_state *x);
-extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family);
-extern struct xfrm_state *xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family);
#ifdef CONFIG_XFRM_SUB_POLICY
extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
int n, unsigned short family);
u32 spdhmcnt;
};
-extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
+extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 seq);
extern int xfrm_state_delete(struct xfrm_state *x);
-extern int xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info);
+extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);
extern void xfrm_sad_getinfo(struct xfrmk_sadinfo *si);
extern void xfrm_spd_getinfo(struct xfrmk_spdinfo *si);
-extern int xfrm_replay_check(struct xfrm_state *x, __be32 seq);
+extern int xfrm_replay_check(struct xfrm_state *x,
+ struct sk_buff *skb, __be32 seq);
extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
extern void xfrm_replay_notify(struct xfrm_state *x, int event);
extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr);
extern int xfrm_output_resume(struct sk_buff *skb, int err);
extern int xfrm_output(struct sk_buff *skb);
+extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_extract_header(struct sk_buff *skb);
extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
}
#endif
-struct xfrm_policy *xfrm_policy_alloc(gfp_t gfp);
-extern int xfrm_policy_walk(u8 type, int (*func)(struct xfrm_policy *, int, int, void*), void *);
+struct xfrm_policy *xfrm_policy_alloc(struct net *net, gfp_t gfp);
+
+extern void xfrm_policy_walk_init(struct xfrm_policy_walk *walk, u8 type);
+extern int xfrm_policy_walk(struct net *net, struct xfrm_policy_walk *walk,
+ int (*func)(struct xfrm_policy *, int, int, void*), void *);
+extern void xfrm_policy_walk_done(struct xfrm_policy_walk *walk);
int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
-struct xfrm_policy *xfrm_policy_bysel_ctx(u8 type, int dir,
+struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u8 type, int dir,
struct xfrm_selector *sel,
struct xfrm_sec_ctx *ctx, int delete,
int *err);
-struct xfrm_policy *xfrm_policy_byid(u8, int dir, u32 id, int delete, int *err);
-int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info);
+struct xfrm_policy *xfrm_policy_byid(struct net *net, u8, int dir, u32 id, int delete, int *err);
+int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info);
u32 xfrm_get_acqseq(void);
extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
-struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
+struct xfrm_state * xfrm_find_acq(struct net *net, u8 mode, u32 reqid, u8 proto,
xfrm_address_t *daddr, xfrm_address_t *saddr,
int create, unsigned short family);
-extern int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info);
extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
struct flowi *fl, int family, int strict);
#ifdef CONFIG_XFRM_MIGRATE
extern int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
- struct xfrm_migrate *m, int num_bundles);
+ struct xfrm_migrate *m, int num_bundles,
+ struct xfrm_kmaddress *k);
extern struct xfrm_state * xfrm_migrate_state_find(struct xfrm_migrate *m);
extern struct xfrm_state * xfrm_state_migrate(struct xfrm_state *x,
struct xfrm_migrate *m);
extern int xfrm_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
- struct xfrm_migrate *m, int num_bundles);
+ struct xfrm_migrate *m, int num_bundles,
+ struct xfrm_kmaddress *k);
#endif
-extern wait_queue_head_t km_waitq;
extern int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
extern void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid);
-extern int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
+extern int km_report(struct net *net, u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr);
extern void xfrm_input_init(void);
extern int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq);
extern struct xfrm_algo_desc *xfrm_aalg_get_byname(char *name, int probe);
extern struct xfrm_algo_desc *xfrm_ealg_get_byname(char *name, int probe);
extern struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe);
+extern struct xfrm_algo_desc *xfrm_aead_get_byname(char *name, int icv_len,
+ int probe);
struct hash_desc;
struct scatterlist;
return index & 7;
}
-static inline int xfrm_aevent_is_on(void)
+#ifdef CONFIG_XFRM
+static inline int xfrm_aevent_is_on(struct net *net)
{
struct sock *nlsk;
int ret = 0;
rcu_read_lock();
- nlsk = rcu_dereference(xfrm_nl);
+ nlsk = rcu_dereference(net->xfrm.nlsk);
if (nlsk)
ret = netlink_has_listeners(nlsk, XFRMNLGRP_AEVENTS);
rcu_read_unlock();
return ret;
}
+#endif
static inline int xfrm_alg_len(struct xfrm_algo *alg)
{
}
#endif
+#ifdef CONFIG_XFRM
static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
{
return skb->sp->xvec[skb->sp->len - 1];
}
+#endif
#endif /* _NET_XFRM_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff