proto/ospf/packet.h

   1 /*
   2  *      BIRD -- OSPF
   3  *
   4  *      (c) 1999--2004 Ondrej Filip <feela@network.cz>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  *
   8  */
   9
  10 #ifndef _BIRD_OSPF_PACKET_H_
  11 #define _BIRD_OSPF_PACKET_H_
  12
  13 void ospf_pkt_fill_hdr(struct ospf_iface *ifa, void *buf, u8 h_type);
  14 unsigned ospf_pkt_maxsize(struct ospf_iface *ifa);
  15 int ospf_rx_hook(sock * sk, int size);
  16 void ospf_tx_hook(sock * sk);
  17 void ospf_err_hook(sock * sk, int err);
  18 void ospf_send_to_agt(struct ospf_iface *ifa, u8 state);
  19 void ospf_send_to_bdr(struct ospf_iface *ifa);
  20 void ospf_send_to(struct ospf_iface *ifa, ip_addr ip);
  21
  22 static inline void ospf_send_to_all(struct ospf_iface *ifa) { ospf_send_to(ifa, ifa->all_routers); }
  23
  24 static inline void * ospf_tx_buffer(struct ospf_iface *ifa) { return ifa->sk->tbuf; }
  25
  26 static inline unsigned
  27 ospf_pkt_bufsize(struct ospf_iface *ifa)
  28 {
  29 #ifdef OSPFv2
  30   unsigned headers = (ifa->autype == OSPF_AUTH_CRYPT) ? OSPF_AUTH_CRYPT_SIZE : 0;
  31 #else
  32   unsigned headers = 0;
  33 #endif
  34
  35   return ifa->sk->tbsize - headers;
  36 }
  37
  38
  39 #endif /* _BIRD_OSPF_PACKET_H_ */