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Commit | Line | Data |
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aba5acdf SH |
1 | /* |
2 | * q_atm.c ATM. | |
3 | * | |
4 | * Hacked 1998-2000 by Werner Almesberger, EPFL ICA | |
5 | * | |
6 | */ | |
7 | ||
8 | #include <stdio.h> | |
9 | #include <stdlib.h> | |
10 | #include <unistd.h> | |
11 | #include <ctype.h> | |
aba5acdf SH |
12 | #include <fcntl.h> |
13 | #include <sys/socket.h> | |
14 | #include <sys/ioctl.h> | |
15 | #include <netinet/in.h> | |
16 | #include <arpa/inet.h> | |
17 | #include <string.h> | |
18 | #include <atm.h> | |
19 | #include <linux/atmdev.h> | |
20 | #include <linux/atmarp.h> | |
21 | ||
22 | #include "utils.h" | |
23 | #include "tc_util.h" | |
24 | ||
25 | ||
26 | #define MAX_HDR_LEN 64 | |
27 | ||
aba5acdf | 28 | |
859af0a5 SH |
29 | static int atm_parse_opt(struct qdisc_util *qu, int argc, char **argv, |
30 | struct nlmsghdr *n, const char *dev) | |
aba5acdf SH |
31 | { |
32 | if (argc) { | |
32a121cb | 33 | fprintf(stderr, "Usage: atm\n"); |
aba5acdf SH |
34 | return -1; |
35 | } | |
36 | return 0; | |
37 | } | |
38 | ||
39 | ||
40 | static void explain(void) | |
41 | { | |
32a121cb SH |
42 | fprintf(stderr, "Usage: ... atm ( pvc ADDR | svc ADDR [ sap SAP ] ) [ qos QOS ] [ sndbuf BYTES ]\n"); |
43 | fprintf(stderr, " [ hdr HEX... ] [ excess ( CLASSID | clp ) ] [ clip ]\n"); | |
aba5acdf SH |
44 | } |
45 | ||
46 | ||
47 | static int atm_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, | |
927e3cfb | 48 | struct nlmsghdr *n, const char *dev) |
aba5acdf | 49 | { |
d17b136f | 50 | struct sockaddr_atmsvc addr = {}; |
aba5acdf SH |
51 | struct atm_qos qos; |
52 | struct atm_sap sap; | |
53 | unsigned char hdr[MAX_HDR_LEN]; | |
54 | __u32 excess = 0; | |
55 | struct rtattr *tail; | |
56 | int sndbuf = 0; | |
57 | int hdr_len = -1; | |
58 | int set_clip = 0; | |
59 | int s; | |
60 | ||
32a121cb SH |
61 | (void) text2qos("aal5,ubr:sdu=9180,rx:none", &qos, 0); |
62 | (void) text2sap("blli:l2=iso8802", &sap, 0); | |
aba5acdf | 63 | while (argc > 0) { |
32a121cb | 64 | if (!strcmp(*argv, "pvc")) { |
aba5acdf | 65 | NEXT_ARG(); |
32a121cb SH |
66 | if (text2atm(*argv, (struct sockaddr *) &addr, |
67 | sizeof(addr), T2A_PVC | T2A_NAME) < 0) { | |
aba5acdf SH |
68 | explain(); |
69 | return -1; | |
70 | } | |
32a121cb | 71 | } else if (!strcmp(*argv,"svc")) { |
aba5acdf | 72 | NEXT_ARG(); |
32a121cb SH |
73 | if (text2atm(*argv, (struct sockaddr *) &addr, |
74 | sizeof(addr), T2A_SVC | T2A_NAME) < 0) { | |
aba5acdf SH |
75 | explain(); |
76 | return -1; | |
77 | } | |
32a121cb | 78 | } else if (!strcmp(*argv,"qos")) { |
aba5acdf | 79 | NEXT_ARG(); |
32a121cb | 80 | if (text2qos(*argv, &qos, 0) < 0) { |
aba5acdf SH |
81 | explain(); |
82 | return -1; | |
83 | } | |
32a121cb | 84 | } else if (!strcmp(*argv,"sndbuf")) { |
aba5acdf SH |
85 | char *end; |
86 | ||
87 | NEXT_ARG(); | |
32a121cb | 88 | sndbuf = strtol(*argv, &end, 0); |
aba5acdf SH |
89 | if (*end) { |
90 | explain(); | |
91 | return -1; | |
92 | } | |
32a121cb | 93 | } else if (!strcmp(*argv,"sap")) { |
aba5acdf SH |
94 | NEXT_ARG(); |
95 | if (addr.sas_family != AF_ATMSVC || | |
32a121cb | 96 | text2sap(*argv, &sap, T2A_NAME) < 0) { |
aba5acdf SH |
97 | explain(); |
98 | return -1; | |
99 | } | |
32a121cb | 100 | } else if (!strcmp(*argv,"hdr")) { |
aba5acdf SH |
101 | unsigned char *ptr; |
102 | char *walk; | |
103 | ||
104 | NEXT_ARG(); | |
105 | ptr = hdr; | |
106 | for (walk = *argv; *walk; walk++) { | |
107 | int tmp; | |
108 | ||
109 | if (ptr == hdr+MAX_HDR_LEN) { | |
32a121cb | 110 | fprintf(stderr, "header is too long\n"); |
aba5acdf SH |
111 | return -1; |
112 | } | |
113 | if (*walk == '.') continue; | |
114 | if (!isxdigit(walk[0]) || !walk[1] || | |
115 | !isxdigit(walk[1])) { | |
116 | explain(); | |
117 | return -1; | |
118 | } | |
32a121cb | 119 | sscanf(walk, "%2x", &tmp); |
aba5acdf SH |
120 | *ptr++ = tmp; |
121 | walk++; | |
122 | } | |
123 | hdr_len = ptr-hdr; | |
32a121cb | 124 | } else if (!strcmp(*argv,"excess")) { |
aba5acdf | 125 | NEXT_ARG(); |
32a121cb SH |
126 | if (!strcmp(*argv, "clp")) excess = 0; |
127 | else if (get_tc_classid(&excess, *argv)) { | |
aba5acdf SH |
128 | explain(); |
129 | return -1; | |
130 | } | |
32a121cb | 131 | } else if (!strcmp(*argv,"clip")) { |
aba5acdf | 132 | set_clip = 1; |
32a121cb | 133 | } else { |
aba5acdf SH |
134 | explain(); |
135 | return 1; | |
136 | } | |
137 | argc--; | |
138 | argv++; | |
139 | } | |
32a121cb | 140 | s = socket(addr.sas_family, SOCK_DGRAM, 0); |
aba5acdf SH |
141 | if (s < 0) { |
142 | perror("socket"); | |
143 | return -1; | |
144 | } | |
32a121cb | 145 | if (setsockopt(s, SOL_ATM, SO_ATMQOS, &qos, sizeof(qos)) < 0) { |
aba5acdf SH |
146 | perror("SO_ATMQOS"); |
147 | return -1; | |
148 | } | |
149 | if (sndbuf) | |
32a121cb | 150 | if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf)) < 0) { |
aba5acdf SH |
151 | perror("SO_SNDBUF"); |
152 | return -1; | |
153 | } | |
32a121cb SH |
154 | if (addr.sas_family == AF_ATMSVC && setsockopt(s, SOL_ATM, SO_ATMSAP, |
155 | &sap, sizeof(sap)) < 0) { | |
aba5acdf SH |
156 | perror("SO_ATMSAP"); |
157 | return -1; | |
158 | } | |
32a121cb | 159 | if (connect(s, (struct sockaddr *) &addr, addr.sas_family == AF_ATMPVC ? |
aba5acdf SH |
160 | sizeof(struct sockaddr_atmpvc) : sizeof(addr)) < 0) { |
161 | perror("connect"); | |
162 | return -1; | |
163 | } | |
164 | if (set_clip) | |
32a121cb | 165 | if (ioctl(s, ATMARP_MKIP, 0) < 0) { |
aba5acdf SH |
166 | perror("ioctl ATMARP_MKIP"); |
167 | return -1; | |
168 | } | |
228569c3 | 169 | tail = NLMSG_TAIL(n); |
32a121cb SH |
170 | addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); |
171 | addattr_l(n, 1024, TCA_ATM_FD, &s, sizeof(s)); | |
172 | if (excess) addattr_l(n, 1024, TCA_ATM_EXCESS, &excess, sizeof(excess)); | |
173 | if (hdr_len != -1) addattr_l(n, 1024, TCA_ATM_HDR, hdr, hdr_len); | |
228569c3 | 174 | tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; |
aba5acdf SH |
175 | return 0; |
176 | } | |
177 | ||
178 | ||
179 | ||
180 | static int atm_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) | |
181 | { | |
182 | struct rtattr *tb[TCA_ATM_MAX+1]; | |
183 | char buffer[MAX_ATM_ADDR_LEN+1]; | |
184 | ||
3b3ecd31 | 185 | if (opt == NULL) |
186 | return 0; | |
187 | ||
188 | parse_rtattr_nested(tb, TCA_ATM_MAX, opt); | |
aba5acdf SH |
189 | if (tb[TCA_ATM_ADDR]) { |
190 | if (RTA_PAYLOAD(tb[TCA_ATM_ADDR]) < | |
191 | sizeof(struct sockaddr_atmpvc)) | |
32a121cb | 192 | fprintf(stderr, "ATM: address too short\n"); |
aba5acdf | 193 | else { |
32a121cb SH |
194 | if (atm2text(buffer, MAX_ATM_ADDR_LEN, |
195 | RTA_DATA(tb[TCA_ATM_ADDR]), A2T_PRETTY | A2T_NAME) < | |
196 | 0) fprintf(stderr, "atm2text error\n"); | |
197 | fprintf(f, "pvc %s ", buffer); | |
aba5acdf SH |
198 | } |
199 | } | |
200 | if (tb[TCA_ATM_HDR]) { | |
201 | int i; | |
ff24746c | 202 | const __u8 *hdr = RTA_DATA(tb[TCA_ATM_HDR]); |
aba5acdf | 203 | |
32a121cb | 204 | fprintf(f, "hdr"); |
aba5acdf | 205 | for (i = 0; i < RTA_PAYLOAD(tb[TCA_ATM_HDR]); i++) |
32a121cb SH |
206 | fprintf(f, "%c%02x", i ? '.' : ' ', hdr[i]); |
207 | if (!i) fprintf(f, " ."); | |
208 | fprintf(f, " "); | |
aba5acdf SH |
209 | } |
210 | if (tb[TCA_ATM_EXCESS]) { | |
211 | __u32 excess; | |
212 | ||
213 | if (RTA_PAYLOAD(tb[TCA_ATM_EXCESS]) < sizeof(excess)) | |
32a121cb | 214 | fprintf(stderr, "ATM: excess class ID too short\n"); |
aba5acdf | 215 | else { |
ff24746c | 216 | excess = rta_getattr_u32(tb[TCA_ATM_EXCESS]); |
32a121cb | 217 | if (!excess) fprintf(f, "excess clp "); |
aba5acdf SH |
218 | else { |
219 | char buf[64]; | |
220 | ||
32a121cb SH |
221 | print_tc_classid(buf, sizeof(buf), excess); |
222 | fprintf(f, "excess %s ", buf); | |
aba5acdf SH |
223 | } |
224 | } | |
225 | } | |
226 | if (tb[TCA_ATM_STATE]) { | |
227 | static const char *map[] = { ATM_VS2TXT_MAP }; | |
228 | int state; | |
229 | ||
230 | if (RTA_PAYLOAD(tb[TCA_ATM_STATE]) < sizeof(state)) | |
32a121cb | 231 | fprintf(stderr, "ATM: state field too short\n"); |
aba5acdf | 232 | else { |
a59b6162 | 233 | state = rta_getattr_u32(tb[TCA_ATM_STATE]); |
32a121cb | 234 | fprintf(f, "%s ", map[state]); |
aba5acdf SH |
235 | } |
236 | } | |
237 | return 0; | |
238 | } | |
239 | ||
240 | ||
95812b56 | 241 | struct qdisc_util atm_qdisc_util = { |
32a121cb | 242 | .id = "atm", |
f2f99e2e SH |
243 | .parse_qopt = atm_parse_opt, |
244 | .print_qopt = atm_print_opt, | |
245 | .parse_copt = atm_parse_class_opt, | |
246 | .print_copt = atm_print_opt, | |
aba5acdf | 247 | }; |