Annotation of embedaddon/libpdel/net/if_util.h, revision 1.1.1.1
1.1 misho 1:
2: /*
3: * Copyright (c) 2001-2002 Packet Design, LLC.
4: * All rights reserved.
5: *
6: * Subject to the following obligations and disclaimer of warranty,
7: * use and redistribution of this software, in source or object code
8: * forms, with or without modifications are expressly permitted by
9: * Packet Design; provided, however, that:
10: *
11: * (i) Any and all reproductions of the source or object code
12: * must include the copyright notice above and the following
13: * disclaimer of warranties; and
14: * (ii) No rights are granted, in any manner or form, to use
15: * Packet Design trademarks, including the mark "PACKET DESIGN"
16: * on advertising, endorsements, or otherwise except as such
17: * appears in the above copyright notice or in the software.
18: *
19: * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
20: * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
21: * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
22: * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
23: * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
24: * OR NON-INFRINGEMENT. PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
25: * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
26: * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
27: * RELIABILITY OR OTHERWISE. IN NO EVENT SHALL PACKET DESIGN BE
28: * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
29: * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
30: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
31: * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
32: * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
33: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
35: * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
36: * THE POSSIBILITY OF SUCH DAMAGE.
37: *
38: * Author: Archie Cobbs <archie@freebsd.org>
39: */
40:
41: #ifndef _PDEL_NET_IF_UTIL_H_
42: #define _PDEL_NET_IF_UTIL_H_
43:
44: struct sockaddr_dl;
45:
46: __BEGIN_DECLS
47:
48: /*
49: * Gets the names of all system interfaces, returned as an array of
50: * char * pointers. Caller must free each pointer and the array itself.
51: * Returns the length of the array.
52: *
53: * Returns -1 and sets errno if there was a problem.
54: */
55: extern int if_get_list(char ***listp, const char *mtype);
56:
57: /*
58: * Get the interface type.
59: * Returns -1 and sets errno if there was a problem.
60: */
61: extern int if_get_type(const char *ifname);
62:
63: /*
64: * Get the flags associated with an interface.
65: * Returns -1 and sets errno if there was a problem.
66: */
67: extern int if_get_flags(const char *ifname);
68:
69: /*
70: * Set the flags associated with an interface.
71: * Returns -1 and sets errno if there was a problem.
72: */
73: extern int if_set_flags(const char *ifname, int flags);
74:
75: /*
76: * Get the MTU associated with an interface.
77: * Returns -1 and sets errno if there was a problem.
78: */
79: extern int if_get_mtu(const char *ifname);
80:
81: /*
82: * Set the MTU associated with an interface.
83: * Returns -1 and sets errno if there was a problem.
84: */
85: extern int if_set_mtu(const char *ifname, u_int mtu);
86:
87: /*
88: * Get the link address associated with an interface.
89: * Caller must free the returned structure.
90: *
91: * Returns -1 and sets errno if there was a problem.
92: */
93: extern int if_get_link_addr(const char *ifname,
94: struct sockaddr_dl **sdlp, const char *mtype);
95:
96: /*
97: * Get a list of all IP addresses and netmasks configured on an interface.
98: * Caller must free both lists. Returns the length of the arrays.
99: *
100: * Returns -1 and sets errno if there was a problem.
101: */
102: extern int if_get_ip_addrs(const char *ifname, struct in_addr **iplistp,
103: struct in_addr **nmlistp, const char *mtype);
104:
105: /*
106: * Get the first IP address and netmask configured on an interface.
107: * "ipp" and/or "nmp" may be NULL. Returns -1 and sets errno on error;
108: * in particular, if there are no addresses, then errno will be ENOENT.
109: */
110: extern int if_get_ip_addr(const char *ifname,
111: struct in_addr *ipp, struct in_addr *nmp);
112:
113: /*
114: * Add an IP address assignment to a broadcast or p2p interface.
115: * The "dest" should be 0.0.0.0 for non-p2p interfaces.
116: *
117: * Returns -1 and sets errno if there was a problem.
118: */
119: extern int if_add_ip_addr(const char *iface, struct in_addr ip,
120: struct in_addr mask, struct in_addr dest);
121:
122: /*
123: * Remove an IP address assignment from a broadcast or p2p interface.
124: * The "dest" should be 0.0.0.0 for non-p2p interfaces.
125: *
126: * Returns -1 and sets errno if there was a problem.
127: */
128: extern int if_del_ip_addr(const char *iface, struct in_addr ip,
129: struct in_addr mask, struct in_addr dest);
130:
131: /*
132: * Get an ARP entry.
133: *
134: * Returns -1 and sets errno if there was a problem.
135: * In particular, errno = ENOENT if entry not found.
136: */
137: extern int if_get_arp(struct in_addr ip, u_char *ether);
138:
139: /*
140: * Set (or remove, if ether == NULL) an ARP entry.
141: *
142: * Returns -1 and sets errno if there was a problem.
143: */
144: extern int if_set_arp(struct in_addr ip, const u_char *ether,
145: int temp, int publish);
146:
147: /*
148: * Flush all ARP entries.
149: *
150: * Returns -1 and sets errno if there was a problem.
151: */
152: extern int if_flush_arp(void);
153:
154: __END_DECLS
155:
156: #endif /* _PDEL_NET_IF_UTIL_H_ */
157:
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