Lines Matching defs:*
2 * q_atm.c ATM.
4 * Hacked 1998-2000 by Werner Almesberger, EPFL ICA
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <unistd.h>
11 #include <ctype.h>
12 #include <syslog.h>
13 #include <fcntl.h>
14 #include <sys/socket.h>
15 #include <sys/ioctl.h>
16 #include <netinet/in.h>
17 #include <arpa/inet.h>
18 #include <string.h>
19 #include <atm.h>
20 #include <linux/atmdev.h>
21 #include <linux/atmarp.h>
23 #include "utils.h"
24 #include "tc_util.h"
27 #define MAX_HDR_LEN 64
29 #define usage() return(-1)
32 static int atm_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
34 if (argc) {
35 fprintf(stderr,"Usage: atm\n");
36 return -1;
38 return 0;
42 static void explain(void)
44 fprintf(stderr, "Usage: ... atm ( pvc ADDR | svc ADDR [ sap SAP ] ) "
45 "[ qos QOS ] [ sndbuf BYTES ]\n");
46 fprintf(stderr, " [ hdr HEX... ] [ excess ( CLASSID | clp ) ] "
47 "[ clip ]\n");
51 static int atm_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
52 struct nlmsghdr *n)
54 struct sockaddr_atmsvc addr;
55 struct atm_qos qos;
56 struct atm_sap sap;
57 unsigned char hdr[MAX_HDR_LEN];
58 __u32 excess = 0;
59 struct rtattr *tail;
60 int sndbuf = 0;
61 int hdr_len = -1;
62 int set_clip = 0;
63 int s;
65 memset(&addr,0,sizeof(addr));
66 (void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
67 (void) text2sap("blli:l2=iso8802",&sap,0);
68 while (argc > 0) {
69 if (!strcmp(*argv,"pvc")) {
70 NEXT_ARG();
71 if (text2atm(*argv,(struct sockaddr *) &addr,
72 sizeof(addr),T2A_PVC | T2A_NAME) < 0) {
73 explain();
74 return -1;
77 else if (!strcmp(*argv,"svc")) {
78 NEXT_ARG();
79 if (text2atm(*argv,(struct sockaddr *) &addr,
80 sizeof(addr),T2A_SVC | T2A_NAME) < 0) {
81 explain();
82 return -1;
85 else if (!strcmp(*argv,"qos")) {
86 NEXT_ARG();
87 if (text2qos(*argv,&qos,0) < 0) {
88 explain();
89 return -1;
92 else if (!strcmp(*argv,"sndbuf")) {
93 char *end;
95 NEXT_ARG();
96 sndbuf = strtol(*argv,&end,0);
97 if (*end) {
98 explain();
99 return -1;
102 else if (!strcmp(*argv,"sap")) {
103 NEXT_ARG();
104 if (addr.sas_family != AF_ATMSVC ||
105 text2sap(*argv,&sap,T2A_NAME) < 0) {
106 explain();
107 return -1;
110 else if (!strcmp(*argv,"hdr")) {
111 unsigned char *ptr;
112 char *walk;
114 NEXT_ARG();
115 ptr = hdr;
116 for (walk = *argv; *walk; walk++) {
117 int tmp;
119 if (ptr == hdr+MAX_HDR_LEN) {
120 fprintf(stderr,"header is too long\n");
121 return -1;
123 if (*walk == '.') continue;
124 if (!isxdigit(walk[0]) || !walk[1] ||
125 !isxdigit(walk[1])) {
126 explain();
127 return -1;
129 sscanf(walk,"%2x",&tmp);
130 *ptr++ = tmp;
131 walk++;
133 hdr_len = ptr-hdr;
135 else if (!strcmp(*argv,"excess")) {
136 NEXT_ARG();
137 if (!strcmp(*argv,"clp")) excess = 0;
138 else if (get_tc_classid(&excess,*argv)) {
139 explain();
140 return -1;
143 else if (!strcmp(*argv,"clip")) {
144 set_clip = 1;
146 else {
147 explain();
148 return 1;
150 argc--;
151 argv++;
153 s = socket(addr.sas_family,SOCK_DGRAM,0);
154 if (s < 0) {
155 perror("socket");
156 return -1;
158 if (setsockopt(s,SOL_ATM,SO_ATMQOS,&qos,sizeof(qos)) < 0) {
159 perror("SO_ATMQOS");
160 return -1;
162 if (sndbuf)
163 if (setsockopt(s,SOL_SOCKET,SO_SNDBUF,&sndbuf,sizeof(sndbuf)) < 0) {
164 perror("SO_SNDBUF");
165 return -1;
167 if (addr.sas_family == AF_ATMSVC && setsockopt(s,SOL_ATM,SO_ATMSAP,
168 &sap,sizeof(sap)) < 0) {
169 perror("SO_ATMSAP");
170 return -1;
172 if (connect(s,(struct sockaddr *) &addr,addr.sas_family == AF_ATMPVC ?
173 sizeof(struct sockaddr_atmpvc) : sizeof(addr)) < 0) {
174 perror("connect");
175 return -1;
177 if (set_clip)
178 if (ioctl(s,ATMARP_MKIP,0) < 0) {
179 perror("ioctl ATMARP_MKIP");
180 return -1;
182 tail = NLMSG_TAIL(n);
183 addattr_l(n,1024,TCA_OPTIONS,NULL,0);
184 addattr_l(n,1024,TCA_ATM_FD,&s,sizeof(s));
185 if (excess) addattr_l(n,1024,TCA_ATM_EXCESS,&excess,sizeof(excess));
186 if (hdr_len != -1) addattr_l(n,1024,TCA_ATM_HDR,hdr,hdr_len);
187 tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
188 return 0;
193 static int atm_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
195 struct rtattr *tb[TCA_ATM_MAX+1];
196 char buffer[MAX_ATM_ADDR_LEN+1];
198 if (opt == NULL)
199 return 0;
201 parse_rtattr_nested(tb, TCA_ATM_MAX, opt);
202 if (tb[TCA_ATM_ADDR]) {
203 if (RTA_PAYLOAD(tb[TCA_ATM_ADDR]) <
204 sizeof(struct sockaddr_atmpvc))
205 fprintf(stderr,"ATM: address too short\n");
206 else {
207 if (atm2text(buffer,MAX_ATM_ADDR_LEN,
208 RTA_DATA(tb[TCA_ATM_ADDR]),A2T_PRETTY | A2T_NAME) <
209 0) fprintf(stderr,"atm2text error\n");
210 fprintf(f,"pvc %s ",buffer);
213 if (tb[TCA_ATM_HDR]) {
214 int i;
216 fprintf(f,"hdr");
217 for (i = 0; i < RTA_PAYLOAD(tb[TCA_ATM_HDR]); i++)
218 fprintf(f,"%c%02x",i ? '.' : ' ',
219 ((unsigned char *) RTA_DATA(tb[TCA_ATM_HDR]))[i]);
220 if (!i) fprintf(f," .");
221 fprintf(f," ");
223 if (tb[TCA_ATM_EXCESS]) {
224 __u32 excess;
226 if (RTA_PAYLOAD(tb[TCA_ATM_EXCESS]) < sizeof(excess))
227 fprintf(stderr,"ATM: excess class ID too short\n");
228 else {
229 excess = *(__u32 *) RTA_DATA(tb[TCA_ATM_EXCESS]);
230 if (!excess) fprintf(f,"excess clp ");
231 else {
232 char buf[64];
234 print_tc_classid(buf,sizeof(buf),excess);
235 fprintf(f,"excess %s ",buf);
239 if (tb[TCA_ATM_STATE]) {
240 static const char *map[] = { ATM_VS2TXT_MAP };
241 int state;
243 if (RTA_PAYLOAD(tb[TCA_ATM_STATE]) < sizeof(state))
244 fprintf(stderr,"ATM: state field too short\n");
245 else {
246 state = *(int *) RTA_DATA(tb[TCA_ATM_STATE]);
247 fprintf(f,"%s ",map[state]);
250 return 0;
254 struct qdisc_util atm_qdisc_util = {
255 .id = "atm",
256 .parse_qopt = atm_parse_opt,
257 .print_qopt = atm_print_opt,
258 .parse_copt = atm_parse_class_opt,
259 .print_copt = atm_print_opt,