#include <vnet/ipsec/ipsec.h>
-/* *INDENT-OFF* */
-typedef CLIB_PACKED(struct {
+#define foreach_ipsec_protect_flags \
+ _(L2, 1, "l2") \
+ _(ENCAPED, 2, "encapped") \
+ _(ITF, 4, "itf") \
+
+typedef enum ipsec_protect_flags_t_
+{
+ IPSEC_PROTECT_NONE = 0,
+#define _(a,b,c) IPSEC_PROTECT_##a = b,
+ foreach_ipsec_protect_flags
+#undef _
+} __clib_packed ipsec_protect_flags_t;
+
+extern u8 *format_ipsec_tun_protect_flags (u8 * s, va_list * args);
+
+/**
+ * result of a lookup in the protection bihash
+ */
+typedef struct ipsec_tun_lkup_result_t_
+{
+ u32 tun_index;
+ u32 sa_index;
+ u32 sw_if_index;
+ ipsec_protect_flags_t flags;
+ u8 __pad[3];
+} ipsec_tun_lkup_result_t;
+
+typedef struct ipsec4_tunnel_kv_t
+{
/*
* Key fields: remote ip and spi on incoming packet
* all fields in NET byte order
*/
- union {
- struct {
- ip4_address_t remote_ip;
- u32 spi;
- };
- u64 as_u64;
- };
-}) ipsec4_tunnel_key_t;
-/* *INDENT-ON* */
-
-/* *INDENT-OFF* */
-typedef CLIB_PACKED(struct {
+ u64 key;
+ ipsec_tun_lkup_result_t value;
+} __clib_packed ipsec4_tunnel_kv_t;
+
+STATIC_ASSERT_SIZEOF (ipsec4_tunnel_kv_t, sizeof (clib_bihash_kv_8_16_t));
+STATIC_ASSERT_OFFSET_OF (ipsec4_tunnel_kv_t, value,
+ STRUCT_OFFSET_OF (clib_bihash_kv_8_16_t, value));
+
+static inline void
+ipsec4_tunnel_mk_key (ipsec4_tunnel_kv_t * k,
+ const ip4_address_t * ip, u32 spi)
+{
+ k->key = (((u64) ip->as_u32) << 32 | spi);
+}
+
+static inline void
+ipsec4_tunnel_extract_key (const ipsec4_tunnel_kv_t * k,
+ ip4_address_t * ip, u32 * spi)
+{
+ *spi = (u32) k->key;
+ (*ip).as_u32 = k->key >> 32;
+}
+
+typedef struct ipsec6_tunnel_kv_t_
+{
/*
* Key fields: remote ip and spi on incoming packet
* all fields in NET byte order
*/
- ip6_address_t remote_ip;
- u32 spi;
-}) ipsec6_tunnel_key_t;
-/* *INDENT-ON* */
+ struct
+ {
+ ip6_address_t remote_ip;
+ u32 spi;
+ u32 __pad;
+ } key;
+ ipsec_tun_lkup_result_t value;
+} __clib_packed ipsec6_tunnel_kv_t;
-extern u8 *format_ipsec4_tunnel_key (u8 * s, va_list * args);
-extern u8 *format_ipsec6_tunnel_key (u8 * s, va_list * args);
+STATIC_ASSERT_SIZEOF (ipsec6_tunnel_kv_t, sizeof (clib_bihash_kv_24_16_t));
+STATIC_ASSERT_OFFSET_OF (ipsec6_tunnel_kv_t, value,
+ STRUCT_OFFSET_OF (clib_bihash_kv_24_16_t, value));
-typedef enum ipsec_protect_flags_t_
-{
- IPSEC_PROTECT_L2 = (1 << 0),
- IPSEC_PROTECT_ENCAPED = (1 << 1),
-} __clib_packed ipsec_protect_flags_t;
+extern u8 *format_ipsec4_tunnel_kv (u8 * s, va_list * args);
+extern u8 *format_ipsec6_tunnel_kv (u8 * s, va_list * args);
typedef struct ipsec_ep_t_
{
ip46_address_t dst;
} ipsec_ep_t;
+#define ITP_MAX_N_SA_IN 4
+
typedef struct ipsec_tun_protect_t_
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
/* not using a vector since we want the memory inline
* with this struct */
u32 itp_n_sa_in;
- index_t itp_in_sas[4];
+ index_t itp_in_sas[ITP_MAX_N_SA_IN];
u32 itp_sw_if_index;
ipsec_ep_t itp_crypto;
ipsec_protect_flags_t itp_flags;
+ adj_index_t itp_ai;
ipsec_ep_t itp_tun;
+ ip_address_t *itp_key;
+
} ipsec_tun_protect_t;
#define FOR_EACH_IPSEC_PROTECT_INPUT_SAI(_itp, _sai, body) \
} \
}
-extern int ipsec_tun_protect_update_one (u32 sw_if_index, u32 sa_out,
- u32 sa_in);
-extern int ipsec_tun_protect_update (u32 sw_if_index, u32 sa_out,
- u32 * sa_ins);
-extern int ipsec_tun_protect_update_in (u32 sw_if_index, u32 sa_in);
-extern int ipsec_tun_protect_update_out (u32 sw_if_index, u32 sa_out);
+extern int ipsec_tun_protect_update (u32 sw_if_index,
+ const ip_address_t * nh,
+ u32 sa_out, u32 * sa_ins);
-extern int ipsec_tun_protect_del (u32 sw_if_index);
+extern int ipsec_tun_protect_del (u32 sw_if_index, const ip_address_t * nh);
typedef walk_rc_t (*ipsec_tun_protect_walk_cb_t) (index_t itpi, void *arg);
extern void ipsec_tun_protect_walk (ipsec_tun_protect_walk_cb_t fn,
void *cttx);
-extern index_t ipsec_tun_protect_find (u32 sw_if_index);
+extern void ipsec_tun_protect_walk_itf (u32 sw_if_index,
+ ipsec_tun_protect_walk_cb_t fn,
+ void *cttx);
extern u8 *format_ipsec_tun_protect (u8 * s, va_list * args);
+extern u8 *format_ipsec_tun_protect_index (u8 * s, va_list * args);
+
+extern void ipsec_tun_register_nodes (ip_address_family_t af);
+extern void ipsec_tun_unregister_nodes (ip_address_family_t af);
// FIXME
extern vlib_node_registration_t ipsec4_tun_input_node;
/*
* DP API
*/
-extern ipsec_tun_protect_t *ipsec_protect_pool;
-
-typedef struct ipsec_tun_lkup_result_t_
-{
- union
- {
- struct
- {
- u32 tun_index;
- u32 sa_index;
- };
- u64 as_u64;
- };
-} ipsec_tun_lkup_result_t;
+extern ipsec_tun_protect_t *ipsec_tun_protect_pool;
always_inline ipsec_tun_protect_t *
ipsec_tun_protect_get (u32 index)
{
- return (pool_elt_at_index (ipsec_protect_pool, index));
+ return (pool_elt_at_index (ipsec_tun_protect_pool, index));
+}
+
+extern index_t *ipsec_tun_protect_sa_by_adj_index;
+always_inline index_t
+ipsec_tun_protect_get_sa_out (adj_index_t ai)
+{
+ ASSERT (vec_len (ipsec_tun_protect_sa_by_adj_index) > ai);
+ ASSERT (INDEX_INVALID != ipsec_tun_protect_sa_by_adj_index[ai]);
+
+ return (ipsec_tun_protect_sa_by_adj_index[ai]);
}
/*
Code Review / vpp.git / blobdiff