Commit | Line | Data |
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4ad99bae | 1 | /* uipc_proto.c 4.6 81/11/20 */ |
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" | |
7 | #include "../net/inet.h" | |
2b4b57cd | 8 | #include "../net/inet_systm.h" |
07d8f161 | 9 | |
d0e67d5f BJ |
10 | /* |
11 | * Protocol configuration table and routines to search it. | |
cc15ab5d BJ |
12 | * |
13 | * SHOULD INCLUDE A HEADER FILE GIVING DESIRED PROTOCOLS | |
d0e67d5f BJ |
14 | */ |
15 | ||
16 | /* | |
cc15ab5d | 17 | * Local protocol handler. |
d0e67d5f | 18 | */ |
2b4b57cd | 19 | int piusrreq(); |
d0e67d5f | 20 | |
d0e67d5f BJ |
21 | /* |
22 | * TCP/IP protocol family: IP, ICMP, UDP, TCP. | |
23 | */ | |
ae921915 | 24 | int ip_input(),ip_output(); |
cc15ab5d BJ |
25 | int ip_init(),ip_slowtimo(),ip_drain(); |
26 | int icmp_input(); | |
27 | int icmp_drain(); | |
28 | int udp_input(),udp_ctlinput(); | |
29 | int udp_usrreq(),udp_sense(); | |
30 | int udp_init(); | |
31 | int tcp_input(),tcp_ctlinput(); | |
32 | int tcp_usrreq(),tcp_sense(); | |
33 | int tcp_init(),tcp_fasttimo(),tcp_slowtimo(),tcp_drain(); | |
4ad99bae BJ |
34 | int rip_input(),rip_ctlinput(); |
35 | int rip_usrreq(),rip_sense(); | |
d0e67d5f BJ |
36 | |
37 | struct protosw protosw[] = { | |
cc15ab5d | 38 | { SOCK_STREAM, PF_LOCAL, 0, PR_CONNREQUIRED, |
07d8f161 | 39 | 0, 0, 0, 0, |
2b4b57cd | 40 | piusrreq, 0, 0, |
07d8f161 | 41 | 0, 0, 0, 0, |
cc15ab5d BJ |
42 | }, |
43 | { SOCK_DGRAM, PF_LOCAL, 0, PR_ATOMIC|PR_ADDR, | |
07d8f161 | 44 | 0, 0, 0, 0, |
2b4b57cd | 45 | piusrreq, 0, 0, |
07d8f161 | 46 | 0, 0, 0, 0, |
cc15ab5d BJ |
47 | }, |
48 | { SOCK_RDM, PF_LOCAL, 0, PR_ATOMIC|PR_ADDR, | |
49 | 0, 0, 0, 0, | |
2b4b57cd | 50 | piusrreq, 0, 0, |
cc15ab5d BJ |
51 | 0, 0, 0, 0, |
52 | }, | |
53 | { SOCK_RAW, PF_LOCAL, 0, PR_ATOMIC|PR_ADDR, | |
54 | 0, 0, 0, 0, | |
2b4b57cd | 55 | piusrreq, 0, 0, |
cc15ab5d BJ |
56 | 0, 0, 0, 0, |
57 | }, | |
d0e67d5f | 58 | { 0, 0, 0, 0, |
cc15ab5d BJ |
59 | ip_input, ip_output, 0, 0, |
60 | 0, 0, 0, | |
61 | ip_init, 0, ip_slowtimo, ip_drain, | |
62 | }, | |
d0e67d5f | 63 | { 0, 0, IPPROTO_ICMP, 0, |
cc15ab5d BJ |
64 | icmp_input, 0, 0, 0, |
65 | 0, 0, 0, | |
66 | 0, 0, 0, icmp_drain, | |
67 | }, | |
07d8f161 | 68 | { SOCK_DGRAM, PF_INET, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, |
cc15ab5d BJ |
69 | udp_input, 0, udp_ctlinput, 0, |
70 | udp_usrreq, udp_sense, MLEN, | |
71 | udp_init, 0, 0, 0, | |
72 | }, | |
73 | { SOCK_STREAM, PF_INET, IPPROTO_TCP, PR_CONNREQUIRED, | |
74 | tcp_input, 0, tcp_ctlinput, 0, | |
75 | tcp_usrreq, tcp_sense, MLEN, | |
76 | tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, | |
77 | }, | |
07d8f161 | 78 | { SOCK_RAW, PF_INET, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, |
4ad99bae BJ |
79 | rip_input, 0, rip_ctlinput, 0, |
80 | rip_usrreq, rip_sense, MLEN, | |
cc15ab5d BJ |
81 | 0, 0, 0, 0, |
82 | } | |
d0e67d5f | 83 | }; |
cc15ab5d BJ |
84 | |
85 | #define NPROTOSW (sizeof(protosw) / sizeof(protosw[0])) | |
86 | ||
87 | struct protosw *protoswLAST = &protosw[NPROTOSW-1]; | |
d0e67d5f BJ |
88 | |
89 | /* | |
90 | * Operations on protocol table and protocol families. | |
91 | */ | |
92 | ||
cc15ab5d BJ |
93 | /* |
94 | * Initialize all protocols. | |
95 | */ | |
96 | pfinit() | |
97 | { | |
98 | register struct protosw *pr; | |
99 | ||
2b4b57cd | 100 | COUNT(PFINIT); |
cc15ab5d BJ |
101 | for (pr = protoswLAST; pr >= protosw; pr--) |
102 | if (pr->pr_init) | |
103 | (*pr->pr_init)(); | |
104 | } | |
105 | ||
d0e67d5f BJ |
106 | /* |
107 | * Find a standard protocol in a protocol family | |
108 | * of a specific type. | |
109 | */ | |
07d8f161 | 110 | struct protosw * |
cc15ab5d | 111 | pffindtype(family, type) |
d0e67d5f BJ |
112 | int family, type; |
113 | { | |
114 | register struct protosw *pr; | |
115 | ||
2b4b57cd | 116 | COUNT(PFFINDTYPE); |
d0e67d5f BJ |
117 | if (family == 0) |
118 | return (0); | |
cc15ab5d | 119 | for (pr = protosw; pr < protoswLAST; pr++) |
d0e67d5f BJ |
120 | if (pr->pr_family == family && pr->pr_type == type) |
121 | return (pr); | |
122 | return (0); | |
123 | } | |
124 | ||
125 | /* | |
126 | * Find a specified protocol in a specified protocol family. | |
127 | */ | |
07d8f161 | 128 | struct protosw * |
cc15ab5d | 129 | pffindproto(family, protocol) |
07d8f161 | 130 | int family, protocol; |
d0e67d5f BJ |
131 | { |
132 | register struct protosw *pr; | |
133 | ||
2b4b57cd | 134 | COUNT(PFFINDPROTO); |
d0e67d5f BJ |
135 | if (family == 0) |
136 | return (0); | |
cc15ab5d | 137 | for (pr = protosw; pr < protoswLAST; pr++) |
07d8f161 | 138 | if (pr->pr_family == family && pr->pr_protocol == protocol) |
d0e67d5f BJ |
139 | return (pr); |
140 | return (0); | |
141 | } |