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Annotation of embedaddon/coova-chilli/src/net.h, revision 1.1

1.1     ! misho       1: /* 
        !             2:  * net library functions
        !             3:  * Copyright (c) 2008 David Bird <david@coova.com>
        !             4:  *
        !             5:  * The contents of this file may be used under the terms of the GNU
        !             6:  * General Public License Version 2, provided that the above copyright
        !             7:  * notice and this permission notice is included in all copies or
        !             8:  * substantial portions of the software.
        !             9:  * 
        !            10:  */
        !            11: 
        !            12: 
        !            13: #ifndef _NET_H
        !            14: #define _NET_H
        !            15: 
        !            16: #include "system.h"
        !            17: #include "pkt.h"
        !            18: 
        !            19: typedef struct _net_interface {
        !            20:   uint8_t idx;
        !            21: 
        !            22:   /* hardware/link */
        !            23:   uint16_t protocol;
        !            24:   uint8_t hwaddr[PKT_ETH_ALEN];
        !            25:   char devname[IFNAMSIZ+1];
        !            26:   int devflags;
        !            27:   int ifindex;
        !            28:   int mtu;
        !            29: 
        !            30:   /* network/address */
        !            31:   struct in_addr address;
        !            32:   struct in_addr gateway;
        !            33:   struct in_addr netmask;
        !            34:   struct in_addr broadcast;
        !            35: 
        !            36:   /* socket/descriptor */
        !            37:   int fd;
        !            38: 
        !            39:   uint8_t flags;
        !            40: #define NET_PROMISC (1<<0)
        !            41: #define NET_USEMAC  (1<<1)
        !            42: #define NET_ETHHDR  (1<<2)
        !            43: } net_interface;
        !            44: 
        !            45: 
        !            46: #define net_sflags(n,f) dev_set_flags((n)->devname, (f))
        !            47: #define net_gflags(n) dev_get_flags((n)->devname, &(n)->devflags)
        !            48: 
        !            49: int net_open(net_interface *netif);
        !            50: int net_open_eth(net_interface *netif);
        !            51: int net_reopen(net_interface *netif);
        !            52: int net_init(net_interface *netif, char *ifname, uint16_t protocol, int promisc, uint8_t *mac);
        !            53: int net_route(struct in_addr *dst, struct in_addr *gateway, struct in_addr *mask, int delete);
        !            54: 
        !            55: ssize_t net_read(net_interface *netif, void *d, size_t slen);
        !            56: ssize_t net_write(net_interface *netif, void *d, size_t slen);
        !            57: 
        !            58: #define fd_zero(fds)        FD_ZERO((fds));
        !            59: #define fd_set(fd,fds)      if ((fd) > 0) FD_SET((fd), (fds))
        !            60: #define fd_isset(fd,fds)    ((fd) > 0) && FD_ISSET((fd), (fds))
        !            61: #define fd_max(fd,max)      (max) = (max) > (fd) ? (max) : (fd)
        !            62: 
        !            63: #define net_maxfd(this,max) (max) = (max) > (this)->fd ? (max) : (this)->fd
        !            64: #define net_fdset(this,fds) if ((this)->fd > 0) FD_SET((this)->fd, (fds))
        !            65: #define net_isset(this,fds) ((this)->fd > 0) && FD_ISSET((this)->fd, (fds))
        !            66: #define net_close(this)     if ((this)->fd > 0) close((this)->fd); (this)->fd=0
        !            67: #define net_add_route(dst,gw,mask) net_route(dst,gw,mask,0)
        !            68: #define net_del_route(dst,gw,mask) net_route(dst,gw,mask,1)
        !            69: 
        !            70: int dev_set_flags(char const *dev, int flags);
        !            71: int dev_get_flags(char const *dev, int *flags);
        !            72: int dev_set_addr(char const *devname, struct in_addr *addr, 
        !            73:                 struct in_addr *gateway, struct in_addr *netmask);
        !            74: 
        !            75: int net_set_address(net_interface *netif, struct in_addr *address, 
        !            76:                    struct in_addr *gateway, struct in_addr *netmask);
        !            77: 
        !            78: #endif