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if_llatbl.h (225698) if_llatbl.h (232054)
1/*
2 * Copyright (c) 2004 Luigi Rizzo, Alessandro Cerri. All rights reserved.
3 * Copyright (c) 2004-2008 Qing Li. All rights reserved.
4 * Copyright (c) 2008 Kip Macy. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27#include <sys/cdefs.h>
1/*
2 * Copyright (c) 2004 Luigi Rizzo, Alessandro Cerri. All rights reserved.
3 * Copyright (c) 2004-2008 Qing Li. All rights reserved.
4 * Copyright (c) 2008 Kip Macy. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

--- 11 unchanged lines hidden (view full) ---

20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/net/if_llatbl.h 225698 2011-09-20 20:27:26Z kmacy $");
28__FBSDID("$FreeBSD: head/sys/net/if_llatbl.h 232054 2012-02-23 18:21:37Z kmacy $");
29
30#ifndef _NET_IF_LLATBL_H_
31#define _NET_IF_LLATBL_H_
32
33#include "opt_ofed.h"
34
35#include <sys/_rwlock.h>
36#include <netinet/in.h>

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101#define LLE_IS_VALID(lle) (((lle) != NULL) && ((lle) != (void *)-1))
102
103#define LLE_ADDREF(lle) do { \
104 LLE_WLOCK_ASSERT(lle); \
105 KASSERT((lle)->lle_refcnt >= 0, \
106 ("negative refcnt %d", (lle)->lle_refcnt)); \
107 (lle)->lle_refcnt++; \
108} while (0)
29
30#ifndef _NET_IF_LLATBL_H_
31#define _NET_IF_LLATBL_H_
32
33#include "opt_ofed.h"
34
35#include <sys/_rwlock.h>
36#include <netinet/in.h>

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101#define LLE_IS_VALID(lle) (((lle) != NULL) && ((lle) != (void *)-1))
102
103#define LLE_ADDREF(lle) do { \
104 LLE_WLOCK_ASSERT(lle); \
105 KASSERT((lle)->lle_refcnt >= 0, \
106 ("negative refcnt %d", (lle)->lle_refcnt)); \
107 (lle)->lle_refcnt++; \
108} while (0)
109
110#define LLE_REMREF(lle) do { \
111 LLE_WLOCK_ASSERT(lle); \
112 KASSERT((lle)->lle_refcnt > 1, \
113 ("bogus refcnt %d", (lle)->lle_refcnt)); \
114 (lle)->lle_refcnt--; \
115} while (0)
116
117#define LLE_FREE_LOCKED(lle) do { \
118 if ((lle)->lle_refcnt <= 1) \
109#define LLE_REMREF(lle) do { \
110 LLE_WLOCK_ASSERT(lle); \
111 KASSERT((lle)->lle_refcnt > 1, \
112 ("bogus refcnt %d", (lle)->lle_refcnt)); \
113 (lle)->lle_refcnt--; \
114} while (0)
115
116#define LLE_FREE_LOCKED(lle) do { \
117 if ((lle)->lle_refcnt <= 1) \
119 (lle)->lle_tbl->llt_free((lle)->lle_tbl, (lle));\
118 (lle)->lle_free((lle)->lle_tbl, (lle));\
120 else { \
121 (lle)->lle_refcnt--; \
122 LLE_WUNLOCK(lle); \
123 } \
124 /* guard against invalid refs */ \
125 lle = NULL; \
126} while (0)
127

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147#endif
148
149struct lltable {
150 SLIST_ENTRY(lltable) llt_link;
151 struct llentries lle_head[LLTBL_HASHTBL_SIZE];
152 int llt_af;
153 struct ifnet *llt_ifp;
154
119 else { \
120 (lle)->lle_refcnt--; \
121 LLE_WUNLOCK(lle); \
122 } \
123 /* guard against invalid refs */ \
124 lle = NULL; \
125} while (0)
126

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146#endif
147
148struct lltable {
149 SLIST_ENTRY(lltable) llt_link;
150 struct llentries lle_head[LLTBL_HASHTBL_SIZE];
151 int llt_af;
152 struct ifnet *llt_ifp;
153
155 void (*llt_free)(struct lltable *, struct llentry *);
156 void (*llt_prefix_free)(struct lltable *,
157 const struct sockaddr *prefix,
158 const struct sockaddr *mask,
159 u_int flags);
160 struct llentry * (*llt_lookup)(struct lltable *, u_int flags,
161 const struct sockaddr *l3addr);
162 int (*llt_dump)(struct lltable *,
163 struct sysctl_req *);

--- 43 unchanged lines hidden --- 		154 void (*llt_prefix_free)(struct lltable *,
155 const struct sockaddr *prefix,
156 const struct sockaddr *mask,
157 u_int flags);
158 struct llentry * (*llt_lookup)(struct lltable *, u_int flags,
159 const struct sockaddr *l3addr);
160 int (*llt_dump)(struct lltable *,
161 struct sysctl_req *);

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