1 /* $Id: sock.c,v 1.2 2002-01-17 07:11:13 srittau Exp $
6 #endif /* HAVE_CONFIG_H */
9 #include <sys/stream.h>
10 #include <sys/socket.h>
11 #include <sys/errno.h>
13 #include <sys/cmn_err.h>
14 #include <sys/tihdr.h>
15 #include <sys/ethernet.h>
24 #include <netatalk/at.h>
29 static struct sock_data *sockets = NULL;
32 sock_alloc( queue_t *q )
36 if (( sd = kmem_alloc( sizeof( struct sock_data ), KM_SLEEP )) == NULL ) {
39 sd->sd_state = TS_UNBND;
41 sd->sd_next = sd->sd_prev = NULL;
42 bzero( (caddr_t)&sd->sd_sat, sizeof( struct sockaddr_at ));
44 sd->sd_next = sockets;
45 if ( sockets != NULL ) {
46 sockets->sd_prev = sd;
54 sock_free( struct sock_data *sd )
56 if ( sd == sockets ) {
57 sockets = sd->sd_next;
59 if ( sd->sd_next != NULL ) {
60 sd->sd_next->sd_prev = sd->sd_prev;
62 if ( sd->sd_prev != NULL ) {
63 sd->sd_prev->sd_next = sd->sd_next;
65 kmem_free( sd, sizeof( struct sock_data ));
70 sock_dest( struct atif_data *aid, struct sockaddr_at *sat )
74 for ( sd = sockets; sd != NULL; sd = sd->sd_next ) {
75 if ( sat->sat_port == sd->sd_sat.sat_port &&
77 aid->aid_sat.sat_addr.s_net == sd->sd_sat.sat_addr.s_net &&
78 ( sat->sat_addr.s_node == sd->sd_sat.sat_addr.s_node ||
79 sat->sat_addr.s_node == ATADDR_BCAST )) {
87 * This is a change in semantics. The port must be ATADDR_ANYPORT for
88 * ATADDR_ANYNET/NODE to not mean the loopback.
91 sock_bind( struct sock_data *sd, struct sockaddr_at *sat )
93 struct atif_data *paid;
94 struct sock_data *psd;
95 struct sockaddr_at psat;
99 if ( psat.sat_family != AF_APPLETALK ) {
100 cmn_err( CE_CONT, "sock_bind non-AppleTalk\n" );
101 return( EPROTOTYPE );
104 if ( psat.sat_port == ATADDR_ANYPORT ) {
105 if ( psat.sat_addr.s_net == ATADDR_ANYNET &&
106 psat.sat_addr.s_node == ATADDR_ANYNODE ) {
107 /* chose primary interface */
108 if (( paid = if_primary()) == NULL ) {
109 return( EADDRNOTAVAIL );
111 psat.sat_addr.s_net = paid->aid_sat.sat_addr.s_net;
112 psat.sat_addr.s_node = paid->aid_sat.sat_addr.s_node;
115 /* pick unused port */
116 for ( port = ATPORT_RESERVED; port < ATPORT_LAST; port++ ) {
117 for ( psd = sockets; psd != NULL; psd = psd->sd_next ) {
118 if ( port == psd->sd_sat.sat_port &&
119 psat.sat_addr.s_net == psd->sd_sat.sat_addr.s_net &&
120 psat.sat_addr.s_node == psd->sd_sat.sat_addr.s_node ) {
129 return( EADDRINUSE );
131 psat.sat_port = port;
135 sd->sd_state = TS_IDLE;