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head/sys/netipsec/keydb.h

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* SUCH DAMAGE. * SUCH DAMAGE.
*/ */
#ifndef _NETIPSEC_KEYDB_H_ #ifndef _NETIPSEC_KEYDB_H_
#define _NETIPSEC_KEYDB_H_ #define _NETIPSEC_KEYDB_H_
#ifdef _KERNEL #ifdef _KERNEL
#include <sys/mutex.h>
#include <netipsec/key_var.h> #include <netipsec/key_var.h>
#ifndef _SOCKADDR_UNION_DEFINED #ifndef _SOCKADDR_UNION_DEFINED
#define _SOCKADDR_UNION_DEFINED #define _SOCKADDR_UNION_DEFINED
/* /*
* The union of all possible address formats we handle. * The union of all possible address formats we handle.
*/ */
union sockaddr_union { union sockaddr_union {
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#define SECASVAR_LOCK_ASSERT(_sav) mtx_assert(&(_sav)->lock, MA_OWNED) #define SECASVAR_LOCK_ASSERT(_sav) mtx_assert(&(_sav)->lock, MA_OWNED)
#define SAV_ISGCM(_sav) \ #define SAV_ISGCM(_sav) \
((_sav)->alg_enc == SADB_X_EALG_AESGCM8 || \ ((_sav)->alg_enc == SADB_X_EALG_AESGCM8 || \
(_sav)->alg_enc == SADB_X_EALG_AESGCM12 || \ (_sav)->alg_enc == SADB_X_EALG_AESGCM12 || \
(_sav)->alg_enc == SADB_X_EALG_AESGCM16) (_sav)->alg_enc == SADB_X_EALG_AESGCM16)
#define SAV_ISCTR(_sav) ((_sav)->alg_enc == SADB_X_EALG_AESCTR) #define SAV_ISCTR(_sav) ((_sav)->alg_enc == SADB_X_EALG_AESCTR)
#define SAV_ISCTRORGCM(_sav) (SAV_ISCTR((_sav)) || SAV_ISGCM((_sav))) #define SAV_ISCTRORGCM(_sav) (SAV_ISCTR((_sav)) || SAV_ISGCM((_sav)))
/* replay prevention */ /* Replay prevention, protected by SECASVAR_LOCK:
* (m) locked by mtx
* (c) read only except during creation / free
*/
struct secreplay { struct secreplay {
u_int32_t count; u_int32_t count; /* (m) */
u_int wsize; /* window size, i.g. 4 bytes */ u_int wsize; /* (c) window size, i.g. 4 bytes */
u_int32_t seq; /* used by sender */ u_int32_t seq; /* (m) used by sender */
u_int32_t lastseq; /* used by receiver */ u_int32_t lastseq; /* (m) used by receiver */
caddr_t bitmap; /* used by receiver */ u_int32_t *bitmap; /* (m) used by receiver */
int overflow; /* overflow flag */ u_int bitmap_size; /* (c) size of the bitmap array */
int overflow; /* (m) overflow flag */
}; };
/* socket table due to send PF_KEY messages. */ /* socket table due to send PF_KEY messages. */
struct secreg { struct secreg {
LIST_ENTRY(secreg) chain; LIST_ENTRY(secreg) chain;
struct socket *so; struct socket *so;
}; };
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