Commit | Line | Data |
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cb1c44c2 | 1 | /* |
1810611d | 2 | * Copyright (c) 1980, 1986 Regents of the University of California. |
5b519e94 | 3 | * All rights reserved. |
cb1c44c2 | 4 | * |
5b519e94 | 5 | * Redistribution and use in source and binary forms are permitted |
50c7758a KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
5b519e94 | 16 | * |
0e6c0944 | 17 | * @(#)raw_cb.c 7.9 (Berkeley) %G% |
cb1c44c2 | 18 | */ |
785d93ac | 19 | |
20666ad3 JB |
20 | #include "param.h" |
21 | #include "systm.h" | |
22 | #include "mbuf.h" | |
23 | #include "socket.h" | |
24 | #include "socketvar.h" | |
829f867e MK |
25 | #include "domain.h" |
26 | #include "protosw.h" | |
20666ad3 | 27 | #include "errno.h" |
f4d55810 | 28 | |
20666ad3 JB |
29 | #include "if.h" |
30 | #include "route.h" | |
31 | #include "raw_cb.h" | |
9e9695c7 | 32 | #include "../netinet/in.h" |
f4d55810 | 33 | |
0e6c0944 | 34 | #include "machine/mtpr.h" |
785d93ac BJ |
35 | |
36 | /* | |
37 | * Routines to manage the raw protocol control blocks. | |
38 | * | |
39 | * TODO: | |
40 | * hash lookups by protocol family/protocol + address family | |
ee787340 | 41 | * take care of unique address problems per AF? |
1e25d807 | 42 | * redo address binding to allow wildcards |
785d93ac BJ |
43 | */ |
44 | ||
73379934 MK |
45 | u_long raw_sendspace = RAWSNDQ; |
46 | u_long raw_recvspace = RAWRCVQ; | |
47 | ||
785d93ac BJ |
48 | /* |
49 | * Allocate a control block and a nominal amount | |
50 | * of buffer space for the socket. | |
51 | */ | |
829f867e | 52 | raw_attach(so, proto) |
785d93ac | 53 | register struct socket *so; |
829f867e | 54 | int proto; |
785d93ac | 55 | { |
b72a6efb | 56 | register struct rawcb *rp = sotorawcb(so); |
785d93ac | 57 | |
b72a6efb KS |
58 | /* |
59 | * It is assumed that raw_attach is called | |
60 | * after space has been allocated for the | |
61 | * rawcb. | |
62 | */ | |
63 | if (rp == 0) | |
785d93ac | 64 | return (ENOBUFS); |
73379934 | 65 | if (sbreserve(&so->so_snd, raw_sendspace) == 0) |
785d93ac | 66 | goto bad; |
73379934 | 67 | if (sbreserve(&so->so_rcv, raw_recvspace) == 0) |
785d93ac | 68 | goto bad2; |
785d93ac | 69 | rp->rcb_socket = so; |
829f867e MK |
70 | rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family; |
71 | rp->rcb_proto.sp_protocol = proto; | |
72 | insque(rp, &rawcb); | |
785d93ac BJ |
73 | return (0); |
74 | bad2: | |
75 | sbrelease(&so->so_snd); | |
76 | bad: | |
785d93ac BJ |
77 | return (ENOBUFS); |
78 | } | |
79 | ||
80 | /* | |
81 | * Detach the raw connection block and discard | |
82 | * socket resources. | |
83 | */ | |
84 | raw_detach(rp) | |
85 | register struct rawcb *rp; | |
86 | { | |
87 | struct socket *so = rp->rcb_socket; | |
88 | ||
785d93ac BJ |
89 | so->so_pcb = 0; |
90 | sofree(so); | |
91 | remque(rp); | |
b72a6efb KS |
92 | #ifdef notdef |
93 | if (rp->rcb_laddr) | |
94 | m_freem(dtom(rp->rcb_laddr)); | |
95 | rp->rcb_laddr = 0; | |
96 | #endif | |
97 | free((caddr_t)(rp), M_PCB); | |
785d93ac BJ |
98 | } |
99 | ||
100 | /* | |
101 | * Disconnect and possibly release resources. | |
102 | */ | |
103 | raw_disconnect(rp) | |
104 | struct rawcb *rp; | |
105 | { | |
4053be18 | 106 | |
b72a6efb KS |
107 | #ifdef notdef |
108 | if (rp->rcb_faddr) | |
109 | m_freem(dtom(rp->rcb_faddr)); | |
110 | rp->rcb_faddr = 0; | |
111 | #endif | |
f832270b | 112 | if (rp->rcb_socket->so_state & SS_NOFDREF) |
785d93ac BJ |
113 | raw_detach(rp); |
114 | } | |
115 | ||
b72a6efb | 116 | #ifdef notdef |
14fa60f2 BJ |
117 | raw_bind(so, nam) |
118 | register struct socket *so; | |
119 | struct mbuf *nam; | |
120 | { | |
121 | struct sockaddr *addr = mtod(nam, struct sockaddr *); | |
14fa60f2 BJ |
122 | register struct rawcb *rp; |
123 | ||
124 | if (ifnet == 0) | |
125 | return (EADDRNOTAVAIL); | |
af0b24db | 126 | rp = sotorawcb(so); |
b72a6efb KS |
127 | nam = m_copym(nam, 0, M_COPYALL, M_WAITOK); |
128 | rp->rcb_laddr = mtod(nam, struct sockaddr *); | |
14fa60f2 BJ |
129 | return (0); |
130 | } | |
b72a6efb | 131 | #endif |