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15 * This product includes software developed by the University of
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)raw_usrreq.c 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: src/sys/net/raw_usrreq.c,v 1.18 1999/08/28 00:48:28 peter Exp $
37 #include <sys/param.h>
38 #include <sys/systm.h>
41 #include <sys/protosw.h>
42 #include <sys/socket.h>
43 #include <sys/socketvar.h>
45 #include <net/raw_cb.h>
48 * Initialize raw connection block q.
53 LIST_INIT(&rawcb_list);
58 * Raw protocol input routine. Find the socket
59 * associated with the packet(s) and move them over. If
60 * nothing exists for this packet, drop it.
63 * Raw protocol interface.
66 raw_input(m0, proto, src, dst)
68 register struct sockproto *proto;
69 struct sockaddr *src, *dst;
71 register struct rawcb *rp;
72 register struct mbuf *m = m0;
73 register int sockets = 0;
77 LIST_FOREACH(rp, &rawcb_list, list) {
78 if (rp->rcb_proto.sp_family != proto->sp_family)
80 if (rp->rcb_proto.sp_protocol &&
81 rp->rcb_proto.sp_protocol != proto->sp_protocol)
84 * We assume the lower level routines have
85 * placed the address in a canonical format
86 * suitable for a structure comparison.
88 * Note that if the lengths are not the same
89 * the comparison will fail at the first byte.
91 #define equal(a1, a2) \
92 (bcmp((caddr_t)(a1), (caddr_t)(a2), a1->sa_len) == 0)
93 if (rp->rcb_laddr && !equal(rp->rcb_laddr, dst))
95 if (rp->rcb_faddr && !equal(rp->rcb_faddr, src))
99 n = m_copy(m, 0, (int)M_COPYALL);
101 if (sbappendaddr(&last->so_rcv, src,
102 n, (struct mbuf *)0) == 0)
103 /* should notify about lost packet */
111 last = rp->rcb_socket;
114 if (sbappendaddr(&last->so_rcv, src,
115 m, (struct mbuf *)0) == 0)
127 raw_ctlinput(cmd, arg, dummy)
129 struct sockaddr *arg;
133 if (cmd < 0 || cmd > PRC_NCMDS)
139 raw_uabort(struct socket *so)
141 struct rawcb *rp = sotorawcb(so);
147 soisdisconnected(so);
151 /* pru_accept is EOPNOTSUPP */
154 raw_uattach(struct socket *so, int proto, struct proc *p)
156 struct rawcb *rp = sotorawcb(so);
161 if (p && (error = suser(p)) != 0)
163 return raw_attach(so, proto);
167 raw_ubind(struct socket *so, struct sockaddr *nam, struct proc *p)
173 raw_uconnect(struct socket *so, struct sockaddr *nam, struct proc *p)
178 /* pru_connect2 is EOPNOTSUPP */
179 /* pru_control is EOPNOTSUPP */
182 raw_udetach(struct socket *so)
184 struct rawcb *rp = sotorawcb(so);
194 raw_udisconnect(struct socket *so)
196 struct rawcb *rp = sotorawcb(so);
200 if (rp->rcb_faddr == 0) {
204 soisdisconnected(so);
208 /* pru_listen is EOPNOTSUPP */
211 raw_upeeraddr(struct socket *so, struct sockaddr **nam)
213 struct rawcb *rp = sotorawcb(so);
217 if (rp->rcb_faddr == 0) {
220 *nam = dup_sockaddr(rp->rcb_faddr, 1);
224 /* pru_rcvd is EOPNOTSUPP */
225 /* pru_rcvoob is EOPNOTSUPP */
228 raw_usend(struct socket *so, int flags, struct mbuf *m,
229 struct sockaddr *nam, struct mbuf *control, struct proc *p)
232 struct rawcb *rp = sotorawcb(so);
239 if (flags & PRUS_OOB) {
244 if (control && control->m_len) {
254 } else if (rp->rcb_faddr == 0) {
258 error = (*so->so_proto->pr_output)(m, so);
268 /* pru_sense is null */
271 raw_ushutdown(struct socket *so)
273 struct rawcb *rp = sotorawcb(so);
282 raw_usockaddr(struct socket *so, struct sockaddr **nam)
284 struct rawcb *rp = sotorawcb(so);
288 if (rp->rcb_laddr == 0)
290 *nam = dup_sockaddr(rp->rcb_laddr, 1);
294 struct pr_usrreqs raw_usrreqs = {
295 raw_uabort, pru_accept_notsupp, raw_uattach, raw_ubind, raw_uconnect,
296 pru_connect2_notsupp, pru_control_notsupp, raw_udetach,
297 raw_udisconnect, pru_listen_notsupp, raw_upeeraddr, pru_rcvd_notsupp,
298 pru_rcvoob_notsupp, raw_usend, pru_sense_null, raw_ushutdown,
299 raw_usockaddr, sosend, soreceive, sopoll