#define _BIRD_SOCKET_H_
#include <errno.h>
+// #include <sys/socket.h>
#include "lib/resource.h"
int type; /* Socket type */
void *data; /* User data */
ip_addr saddr, daddr; /* IPA_NONE = unspecified */
- unsigned sport, dport; /* 0 = unspecified (for IP: protocol type) */
+ uint sport, dport; /* 0 = unspecified (for IP: protocol type) */
int tos; /* TOS / traffic class, -1 = default */
int priority; /* Local socket priority, -1 = default */
int ttl; /* Time To Live, -1 = default */
u32 flags;
struct iface *iface; /* Interface; specify this for broad/multicast sockets */
+ struct iface *vrf; /* Related VRF instance, NULL if global */
byte *rbuf, *rpos; /* NULL=allocate automatically */
- unsigned rbsize;
- int (*rx_hook)(struct birdsock *, int size); /* NULL=receiving turned off, returns 1 to clear rx buffer */
+ uint fast_rx; /* RX has higher priority in event loop */
+ uint rbsize;
+ int (*rx_hook)(struct birdsock *, uint size); /* NULL=receiving turned off, returns 1 to clear rx buffer */
byte *tbuf, *tpos; /* NULL=allocate automatically */
byte *ttx; /* Internal */
- unsigned tbsize;
+ uint tbsize;
void (*tx_hook)(struct birdsock *);
void (*err_hook)(struct birdsock *, int); /* errno or zero if EOF */
/* Information about received datagrams (UDP, RAW), valid in rx_hook */
ip_addr faddr, laddr; /* src (From) and dst (Local) address of the datagram */
- unsigned fport; /* src port of the datagram */
- unsigned lifindex; /* local interface that received the datagram */
+ uint fport; /* src port of the datagram */
+ uint lifindex; /* local interface that received the datagram */
/* laddr and lifindex are valid only if SKF_LADDR_RX flag is set to request it */
+ int af; /* Address family (AF_INET, AF_INET6 or 0 for non-IP) of fd */
int fd; /* System-dependent data */
int index; /* Index in poll buffer */
+ int rcv_ttl; /* TTL of last received datagram */
node n;
void *rbuf_alloc, *tbuf_alloc;
- char *password; /* Password for MD5 authentication */
+ char *password; /* Password for MD5 authentication */
+ char *err; /* Error message */
} sock;
sock *sock_new(pool *); /* Allocate new socket */
#define sk_new(X) sock_new(X) /* Wrapper to avoid name collision with OpenSSL */
int sk_open(sock *); /* Open socket */
-int sk_send(sock *, unsigned len); /* Send data, <0=err, >0=ok, 0=sleep */
-int sk_send_to(sock *, unsigned len, ip_addr to, unsigned port); /* sk_send to given destination */
+int sk_rx_ready(sock *s);
+int sk_send(sock *, uint len); /* Send data, <0=err, >0=ok, 0=sleep */
+int sk_send_to(sock *, uint len, ip_addr to, uint port); /* sk_send to given destination */
void sk_reallocate(sock *); /* Free and allocate tbuf & rbuf */
void sk_set_rbsize(sock *s, uint val); /* Resize RX buffer */
void sk_set_tbsize(sock *s, uint val); /* Resize TX buffer, keeping content */
void sk_set_tbuf(sock *s, void *tbuf); /* Switch TX buffer, NULL-> return to internal */
void sk_dump_all(void);
-int sk_set_ttl(sock *s, int ttl); /* Set transmit TTL for given socket */
-int sk_set_min_ttl(sock *s, int ttl); /* Set minimal accepted TTL for given socket */
-/* Add or remove security associations for given passive socket */
-int sk_set_md5_auth(sock *s, ip_addr a, struct iface *ifa, char *passwd);
-int sk_rx_ready(sock *s);
+static inline int sk_send_buffer_empty(sock *sk)
+{ return sk->tbuf == sk->tpos; }
-/* Prepare UDP or IP socket to multicasting. s->iface and s->ttl must be set */
-int sk_setup_multicast(sock *s);
-int sk_join_group(sock *s, ip_addr maddr);
-int sk_leave_group(sock *s, ip_addr maddr);
#ifdef IPV6
-int sk_set_ipv6_checksum(sock *s, int offset);
-int sk_set_icmp_filter(sock *s, int p1, int p2);
+#define sk_is_ipv4(X) 0
+#define sk_is_ipv6(X) 1
+#else
+#define sk_is_ipv4(X) 1
+#define sk_is_ipv6(X) 0
#endif
-int sk_set_broadcast(sock *s, int enable);
-static inline int
-sk_send_buffer_empty(sock *sk)
-{
- return sk->tbuf == sk->tpos;
-}
+int sk_setup_multicast(sock *s); /* Prepare UDP or IP socket for multicasting */
+int sk_join_group(sock *s, ip_addr maddr); /* Join multicast group on sk iface */
+int sk_leave_group(sock *s, ip_addr maddr); /* Leave multicast group on sk iface */
+int sk_setup_broadcast(sock *s);
+int sk_set_ttl(sock *s, int ttl); /* Set transmit TTL for given socket */
+int sk_set_min_ttl(sock *s, int ttl); /* Set minimal accepted TTL for given socket */
+int sk_set_md5_auth(sock *s, ip_addr local, ip_addr remote, struct iface *ifa, char *passwd, int setkey);
+int sk_set_ipv6_checksum(sock *s, int offset);
+int sk_set_icmp6_filter(sock *s, int p1, int p2);
+void sk_log_error(sock *s, const char *p);
+
+byte * sk_rx_buffer(sock *s, int *len); /* Temporary */
+
+extern int sk_priority_control; /* Suggested priority for control traffic, should be sysdep define */
-extern int sk_priority_control; /* Suggested priority for control traffic, should be sysdep define */
/* Socket flags */
-#define SKF_V6ONLY 1 /* Use IPV6_V6ONLY socket option */
-#define SKF_LADDR_RX 2 /* Report local address for RX packets */
-#define SKF_TTL_RX 4 /* Report TTL / Hop Limit for RX packets */
-#define SKF_BIND 8 /* Bind datagram socket to given source address */
+#define SKF_V4ONLY 0x01 /* Use IPv4 for IP sockets */
+#define SKF_V6ONLY 0x02 /* Use IPV6_V6ONLY socket option */
+#define SKF_LADDR_RX 0x04 /* Report local address for RX packets */
+#define SKF_TTL_RX 0x08 /* Report TTL / Hop Limit for RX packets */
+#define SKF_BIND 0x10 /* Bind datagram socket to given source address */
+#define SKF_HIGH_PORT 0x20 /* Choose port from high range if possible */
#define SKF_THREAD 0x100 /* Socked used in thread, Do not add to main loop */
#define SKF_TRUNCATED 0x200 /* Received packet was truncated, set by IO layer */
projects / thirdparty / bird.git / blobdiff