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Annotation of embedaddon/libpdel/net/if_util.h, revision 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: