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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 14:18:53 +0000
commita0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch)
tree8feaf1a1932871b139b3b30be4c09c66489918be /tc/q_atm.c
parentInitial commit. (diff)
downloadiproute2-upstream.tar.xz
iproute2-upstream.zip
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tc/q_atm.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/tc/q_atm.c b/tc/q_atm.c
new file mode 100644
index 0000000..77b5682
--- /dev/null
+++ b/tc/q_atm.c
@@ -0,0 +1,250 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * q_atm.c ATM.
+ *
+ * Hacked 1998-2000 by Werner Almesberger, EPFL ICA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <atm.h>
+#include <linux/atmdev.h>
+#include <linux/atmarp.h>
+
+#include "utils.h"
+#include "tc_util.h"
+
+
+#define MAX_HDR_LEN 64
+
+
+static int atm_parse_opt(struct qdisc_util *qu, int argc, char **argv,
+ struct nlmsghdr *n, const char *dev)
+{
+ if (argc) {
+ fprintf(stderr, "Usage: atm\n");
+ return -1;
+ }
+ return 0;
+}
+
+
+static void explain(void)
+{
+ fprintf(stderr,
+ "Usage: ... atm ( pvc ADDR | svc ADDR [ sap SAP ] ) [ qos QOS ] [ sndbuf BYTES ]\n"
+ " [ hdr HEX... ] [ excess ( CLASSID | clp ) ] [ clip ]\n");
+}
+
+
+static int atm_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
+ struct nlmsghdr *n, const char *dev)
+{
+ struct sockaddr_atmsvc addr = {};
+ struct atm_qos qos;
+ struct atm_sap sap;
+ unsigned char hdr[MAX_HDR_LEN];
+ __u32 excess = 0;
+ struct rtattr *tail;
+ int sndbuf = 0;
+ int hdr_len = -1;
+ int set_clip = 0;
+ int s;
+
+ (void) text2qos("aal5,ubr:sdu=9180,rx:none", &qos, 0);
+ (void) text2sap("blli:l2=iso8802", &sap, 0);
+ while (argc > 0) {
+ if (!strcmp(*argv, "pvc")) {
+ NEXT_ARG();
+ if (text2atm(*argv, (struct sockaddr *) &addr,
+ sizeof(addr), T2A_PVC | T2A_NAME) < 0) {
+ explain();
+ return -1;
+ }
+ } else if (!strcmp(*argv,"svc")) {
+ NEXT_ARG();
+ if (text2atm(*argv, (struct sockaddr *) &addr,
+ sizeof(addr), T2A_SVC | T2A_NAME) < 0) {
+ explain();
+ return -1;
+ }
+ } else if (!strcmp(*argv,"qos")) {
+ NEXT_ARG();
+ if (text2qos(*argv, &qos, 0) < 0) {
+ explain();
+ return -1;
+ }
+ } else if (!strcmp(*argv,"sndbuf")) {
+ char *end;
+
+ NEXT_ARG();
+ sndbuf = strtol(*argv, &end, 0);
+ if (*end) {
+ explain();
+ return -1;
+ }
+ } else if (!strcmp(*argv,"sap")) {
+ NEXT_ARG();
+ if (addr.sas_family != AF_ATMSVC ||
+ text2sap(*argv, &sap, T2A_NAME) < 0) {
+ explain();
+ return -1;
+ }
+ } else if (!strcmp(*argv,"hdr")) {
+ unsigned char *ptr;
+ char *walk;
+
+ NEXT_ARG();
+ ptr = hdr;
+ for (walk = *argv; *walk; walk++) {
+ int tmp;
+
+ if (ptr == hdr+MAX_HDR_LEN) {
+ fprintf(stderr, "header is too long\n");
+ return -1;
+ }
+ if (*walk == '.') continue;
+ if (!isxdigit(walk[0]) || !walk[1] ||
+ !isxdigit(walk[1])) {
+ explain();
+ return -1;
+ }
+ sscanf(walk, "%2x", &tmp);
+ *ptr++ = tmp;
+ walk++;
+ }
+ hdr_len = ptr-hdr;
+ } else if (!strcmp(*argv,"excess")) {
+ NEXT_ARG();
+ if (!strcmp(*argv, "clp")) excess = 0;
+ else if (get_tc_classid(&excess, *argv)) {
+ explain();
+ return -1;
+ }
+ } else if (!strcmp(*argv,"clip")) {
+ set_clip = 1;
+ } else {
+ explain();
+ return 1;
+ }
+ argc--;
+ argv++;
+ }
+ s = socket(addr.sas_family, SOCK_DGRAM, 0);
+ if (s < 0) {
+ perror("socket");
+ return -1;
+ }
+ if (setsockopt(s, SOL_ATM, SO_ATMQOS, &qos, sizeof(qos)) < 0) {
+ perror("SO_ATMQOS");
+ return -1;
+ }
+ if (sndbuf)
+ if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf)) < 0) {
+ perror("SO_SNDBUF");
+ return -1;
+ }
+ if (addr.sas_family == AF_ATMSVC && setsockopt(s, SOL_ATM, SO_ATMSAP,
+ &sap, sizeof(sap)) < 0) {
+ perror("SO_ATMSAP");
+ return -1;
+ }
+ if (connect(s, (struct sockaddr *) &addr, addr.sas_family == AF_ATMPVC ?
+ sizeof(struct sockaddr_atmpvc) : sizeof(addr)) < 0) {
+ perror("connect");
+ return -1;
+ }
+ if (set_clip)
+ if (ioctl(s, ATMARP_MKIP, 0) < 0) {
+ perror("ioctl ATMARP_MKIP");
+ return -1;
+ }
+ tail = addattr_nest(n, 1024, TCA_OPTIONS);
+ addattr_l(n, 1024, TCA_ATM_FD, &s, sizeof(s));
+ if (excess)
+ addattr_l(n, 1024, TCA_ATM_EXCESS, &excess, sizeof(excess));
+ if (hdr_len != -1)
+ addattr_l(n, 1024, TCA_ATM_HDR, hdr, hdr_len);
+ addattr_nest_end(n, tail);
+ return 0;
+}
+
+
+
+static int atm_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+ struct rtattr *tb[TCA_ATM_MAX+1];
+ char buffer[MAX_ATM_ADDR_LEN+1];
+
+ if (opt == NULL)
+ return 0;
+
+ parse_rtattr_nested(tb, TCA_ATM_MAX, opt);
+ if (tb[TCA_ATM_ADDR]) {
+ if (RTA_PAYLOAD(tb[TCA_ATM_ADDR]) <
+ sizeof(struct sockaddr_atmpvc))
+ fprintf(stderr, "ATM: address too short\n");
+ else {
+ if (atm2text(buffer, MAX_ATM_ADDR_LEN,
+ RTA_DATA(tb[TCA_ATM_ADDR]), A2T_PRETTY | A2T_NAME) <
+ 0) fprintf(stderr, "atm2text error\n");
+ fprintf(f, "pvc %s ", buffer);
+ }
+ }
+ if (tb[TCA_ATM_HDR]) {
+ int i;
+ const __u8 *hdr = RTA_DATA(tb[TCA_ATM_HDR]);
+
+ fprintf(f, "hdr");
+ for (i = 0; i < RTA_PAYLOAD(tb[TCA_ATM_HDR]); i++)
+ fprintf(f, "%c%02x", i ? '.' : ' ', hdr[i]);
+ if (!i) fprintf(f, " .");
+ fprintf(f, " ");
+ }
+ if (tb[TCA_ATM_EXCESS]) {
+ __u32 excess;
+
+ if (RTA_PAYLOAD(tb[TCA_ATM_EXCESS]) < sizeof(excess))
+ fprintf(stderr, "ATM: excess class ID too short\n");
+ else {
+ excess = rta_getattr_u32(tb[TCA_ATM_EXCESS]);
+ if (!excess) fprintf(f, "excess clp ");
+ else {
+ char buf[64];
+
+ print_tc_classid(buf, sizeof(buf), excess);
+ fprintf(f, "excess %s ", buf);
+ }
+ }
+ }
+ if (tb[TCA_ATM_STATE]) {
+ static const char *map[] = { ATM_VS2TXT_MAP };
+ int state;
+
+ if (RTA_PAYLOAD(tb[TCA_ATM_STATE]) < sizeof(state))
+ fprintf(stderr, "ATM: state field too short\n");
+ else {
+ state = rta_getattr_u32(tb[TCA_ATM_STATE]);
+ fprintf(f, "%s ", map[state]);
+ }
+ }
+ return 0;
+}
+
+
+struct qdisc_util atm_qdisc_util = {
+ .id = "atm",
+ .parse_qopt = atm_parse_opt,
+ .print_qopt = atm_print_opt,
+ .parse_copt = atm_parse_class_opt,
+ .print_copt = atm_print_opt,
+};