Commit | Line | Data |
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1f01da9f | 1 | /* uipc_proto.c 4.23 82/09/06 */ |
07d8f161 | 2 | |
d0e67d5f | 3 | #include "../h/param.h" |
07d8f161 | 4 | #include "../h/socket.h" |
07d8f161 BJ |
5 | #include "../h/protosw.h" |
6 | #include "../h/mbuf.h" | |
1f01da9f BJ |
7 | #include <time.h> |
8 | #include "../h/kernel.h" | |
0ef33f87 BJ |
9 | #include "../net/in.h" |
10 | #include "../net/in_systm.h" | |
07d8f161 | 11 | |
d0e67d5f BJ |
12 | /* |
13 | * Protocol configuration table and routines to search it. | |
cc15ab5d BJ |
14 | * |
15 | * SHOULD INCLUDE A HEADER FILE GIVING DESIRED PROTOCOLS | |
d0e67d5f BJ |
16 | */ |
17 | ||
18 | /* | |
cc15ab5d | 19 | * Local protocol handler. |
d0e67d5f | 20 | */ |
2b4b57cd | 21 | int piusrreq(); |
d0e67d5f | 22 | |
d0e67d5f BJ |
23 | /* |
24 | * TCP/IP protocol family: IP, ICMP, UDP, TCP. | |
25 | */ | |
0ef33f87 | 26 | int ip_output(); |
cc15ab5d | 27 | int ip_init(),ip_slowtimo(),ip_drain(); |
0649e349 | 28 | int icmp_input(); |
cc15ab5d | 29 | int udp_input(),udp_ctlinput(); |
b454c3ea | 30 | int udp_usrreq(); |
cc15ab5d BJ |
31 | int udp_init(); |
32 | int tcp_input(),tcp_ctlinput(); | |
b454c3ea | 33 | int tcp_usrreq(); |
cc15ab5d | 34 | int tcp_init(),tcp_fasttimo(),tcp_slowtimo(),tcp_drain(); |
c94ae9b7 | 35 | int rip_input(),rip_output(); |
d0e67d5f | 36 | |
8f4851aa | 37 | /* |
1d7d0c6d SL |
38 | * IMP protocol family: raw interface. |
39 | * Using the raw interface entry to get the timer routine | |
40 | * in is a kludge. | |
8f4851aa BJ |
41 | */ |
42 | #include "imp.h" | |
43 | #if NIMP > 0 | |
1d7d0c6d | 44 | int rimp_output(), hostslowtimo(); |
6b1458f3 BJ |
45 | #endif |
46 | ||
47 | /* | |
48 | * PUP-I protocol family: raw interface | |
49 | */ | |
50 | #include "pup.h" | |
51 | #if NPUP > 0 | |
c94ae9b7 | 52 | int rpup_output(); |
8f4851aa BJ |
53 | #endif |
54 | ||
55 | /* | |
56 | * Sundries. | |
57 | */ | |
0649e349 | 58 | int raw_init(),raw_usrreq(),raw_input(),raw_ctlinput(); |
8f4851aa | 59 | |
d0e67d5f | 60 | struct protosw protosw[] = { |
5b3fa994 | 61 | { SOCK_STREAM, PF_UNIX, 0, PR_CONNREQUIRED, |
07d8f161 | 62 | 0, 0, 0, 0, |
5b3fa994 | 63 | piusrreq, |
07d8f161 | 64 | 0, 0, 0, 0, |
cc15ab5d | 65 | }, |
5b3fa994 | 66 | { SOCK_DGRAM, PF_UNIX, 0, PR_ATOMIC|PR_ADDR, |
07d8f161 | 67 | 0, 0, 0, 0, |
5b3fa994 | 68 | piusrreq, |
07d8f161 | 69 | 0, 0, 0, 0, |
cc15ab5d | 70 | }, |
5b3fa994 | 71 | { SOCK_RDM, PF_UNIX, 0, PR_ATOMIC|PR_ADDR, |
cc15ab5d | 72 | 0, 0, 0, 0, |
5b3fa994 | 73 | piusrreq, |
cc15ab5d BJ |
74 | 0, 0, 0, 0, |
75 | }, | |
5b3fa994 | 76 | { SOCK_RAW, PF_UNIX, 0, PR_ATOMIC|PR_ADDR, |
cc15ab5d | 77 | 0, 0, 0, 0, |
5b3fa994 | 78 | piusrreq, |
cc15ab5d BJ |
79 | 0, 0, 0, 0, |
80 | }, | |
d0e67d5f | 81 | { 0, 0, 0, 0, |
0ef33f87 | 82 | 0, ip_output, 0, 0, |
5b3fa994 | 83 | 0, |
cc15ab5d BJ |
84 | ip_init, 0, ip_slowtimo, ip_drain, |
85 | }, | |
0649e349 SL |
86 | { 0, PF_INET, IPPROTO_ICMP, 0, |
87 | icmp_input, 0, 0, 0, | |
5b3fa994 | 88 | 0, |
0649e349 | 89 | 0, 0, 0, 0, |
cc15ab5d | 90 | }, |
07d8f161 | 91 | { SOCK_DGRAM, PF_INET, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, |
cc15ab5d | 92 | udp_input, 0, udp_ctlinput, 0, |
5b3fa994 | 93 | udp_usrreq, |
cc15ab5d BJ |
94 | udp_init, 0, 0, 0, |
95 | }, | |
687794cc | 96 | { SOCK_STREAM, PF_INET, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD, |
cc15ab5d | 97 | tcp_input, 0, tcp_ctlinput, 0, |
5b3fa994 | 98 | tcp_usrreq, |
cc15ab5d BJ |
99 | tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, |
100 | }, | |
8f4851aa | 101 | { 0, 0, 0, 0, |
0649e349 | 102 | raw_input, 0, raw_ctlinput, 0, |
8f4851aa BJ |
103 | raw_usrreq, |
104 | raw_init, 0, 0, 0, | |
105 | }, | |
7859593f | 106 | { SOCK_RAW, PF_INET, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, |
0649e349 | 107 | rip_input, rip_output, 0, 0, |
c94ae9b7 | 108 | raw_usrreq, |
8f4851aa BJ |
109 | 0, 0, 0, 0, |
110 | } | |
111 | #if NIMP > 0 | |
112 | , | |
113 | { SOCK_RAW, PF_IMPLINK, 0, PR_ATOMIC|PR_ADDR, | |
c94ae9b7 SL |
114 | 0, rimp_output, 0, 0, |
115 | raw_usrreq, | |
1d7d0c6d | 116 | 0, 0, hostslowtimo, 0, |
6b1458f3 BJ |
117 | } |
118 | #endif | |
119 | #if NPUP > 0 | |
120 | , | |
121 | { SOCK_RAW, PF_PUP, 0, PR_ATOMIC|PR_ADDR, | |
c94ae9b7 | 122 | 0, rpup_output, 0, 0, |
a907fb30 | 123 | raw_usrreq, |
8f4851aa | 124 | 0, 0, 0, 0, |
cc15ab5d | 125 | } |
8f4851aa | 126 | #endif |
d0e67d5f | 127 | }; |
cc15ab5d BJ |
128 | |
129 | #define NPROTOSW (sizeof(protosw) / sizeof(protosw[0])) | |
130 | ||
131 | struct protosw *protoswLAST = &protosw[NPROTOSW-1]; | |
d0e67d5f BJ |
132 | |
133 | /* | |
134 | * Operations on protocol table and protocol families. | |
135 | */ | |
136 | ||
cc15ab5d BJ |
137 | /* |
138 | * Initialize all protocols. | |
139 | */ | |
140 | pfinit() | |
141 | { | |
142 | register struct protosw *pr; | |
143 | ||
144 | for (pr = protoswLAST; pr >= protosw; pr--) | |
145 | if (pr->pr_init) | |
146 | (*pr->pr_init)(); | |
1f01da9f BJ |
147 | pffasttimo(); |
148 | pfslowtimo(); | |
cc15ab5d BJ |
149 | } |
150 | ||
d0e67d5f BJ |
151 | /* |
152 | * Find a standard protocol in a protocol family | |
153 | * of a specific type. | |
154 | */ | |
07d8f161 | 155 | struct protosw * |
cc15ab5d | 156 | pffindtype(family, type) |
d0e67d5f BJ |
157 | int family, type; |
158 | { | |
159 | register struct protosw *pr; | |
160 | ||
161 | if (family == 0) | |
162 | return (0); | |
687794cc | 163 | for (pr = protosw; pr <= protoswLAST; pr++) |
d0e67d5f BJ |
164 | if (pr->pr_family == family && pr->pr_type == type) |
165 | return (pr); | |
166 | return (0); | |
167 | } | |
168 | ||
169 | /* | |
170 | * Find a specified protocol in a specified protocol family. | |
171 | */ | |
07d8f161 | 172 | struct protosw * |
cc15ab5d | 173 | pffindproto(family, protocol) |
07d8f161 | 174 | int family, protocol; |
d0e67d5f BJ |
175 | { |
176 | register struct protosw *pr; | |
177 | ||
178 | if (family == 0) | |
179 | return (0); | |
687794cc | 180 | for (pr = protosw; pr <= protoswLAST; pr++) |
07d8f161 | 181 | if (pr->pr_family == family && pr->pr_protocol == protocol) |
d0e67d5f BJ |
182 | return (pr); |
183 | return (0); | |
184 | } | |
72857acf | 185 | |
0649e349 SL |
186 | pfctlinput(cmd, arg) |
187 | int cmd; | |
188 | caddr_t arg; | |
189 | { | |
190 | register struct protosw *pr; | |
0649e349 SL |
191 | |
192 | for (pr = protosw; pr <= protoswLAST; pr++) | |
193 | if (pr->pr_ctlinput) | |
194 | (*pr->pr_ctlinput)(cmd, arg); | |
195 | } | |
196 | ||
72857acf BJ |
197 | /* |
198 | * Slow timeout on all protocols. | |
199 | */ | |
200 | pfslowtimo() | |
201 | { | |
202 | register struct protosw *pr; | |
203 | ||
72857acf BJ |
204 | for (pr = protoswLAST; pr >= protosw; pr--) |
205 | if (pr->pr_slowtimo) | |
206 | (*pr->pr_slowtimo)(); | |
1f01da9f | 207 | timeout(pfslowtimo, 0, hz / PR_SLOWHZ); |
72857acf BJ |
208 | } |
209 | ||
210 | pffasttimo() | |
211 | { | |
212 | register struct protosw *pr; | |
213 | ||
72857acf | 214 | for (pr = protoswLAST; pr >= protosw; pr--) |
bdf22b53 BJ |
215 | if (pr->pr_fasttimo) |
216 | (*pr->pr_fasttimo)(); | |
1f01da9f | 217 | timeout(pffasttimo, 0, hz / PR_FASTHZ); |
72857acf | 218 | } |