/*
- * m_gact.c generic actions module
+ * m_gact.c generic actions module
*
* This program is free software; you can distribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Authors: J Hadi Salim (hadi@cyberus.ca)
- *
+ * Authors: J Hadi Salim (hadi@cyberus.ca)
+ *
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
/* define to turn on probablity stuff */
#ifdef CONFIG_GACT_PROB
-static const char *prob_n2a(int p)
+static const char *prob_n2a(int p)
{
if (p == PGACT_NONE)
return "none";
#ifdef CONFIG_GACT_PROB
fprintf(stderr, "Usage: ... gact <ACTION> [RAND] [INDEX]\n");
fprintf(stderr,
- "Where: ACTION := reclassify | drop | continue | pass "
- "RAND := random <RANDTYPE> <ACTION> <VAL>"
- "RANDTYPE := netrand | determ"
- "VAL : = value not exceeding 10000"
- "INDEX := index value used"
+ "Where: \tACTION := reclassify | drop | continue | pass | pipe |\n"
+ " \t goto chain <CHAIN_INDEX> | jump <JUMP_COUNT>\n"
+ "\tRAND := random <RANDTYPE> <ACTION> <VAL>\n"
+ "\tRANDTYPE := netrand | determ\n"
+ "\tVAL : = value not exceeding 10000\n"
+ "\tJUMP_COUNT := Absolute jump from start of action list\n"
+ "\tINDEX := index value used\n"
"\n");
#else
- fprintf(stderr, "Usage: ... gact <ACTION> [INDEX]\n");
- fprintf(stderr,
- "Where: ACTION := reclassify | drop | continue | pass "
- "INDEX := index value used"
- "\n");
+ fprintf(stderr, "Usage: ... gact <ACTION> [INDEX]\n"
+ "Where: \tACTION := reclassify | drop | continue | pass | pipe |\n"
+ " \t goto chain <CHAIN_INDEX> | jump <JUMP_COUNT>\n"
+ "\tINDEX := index value used\n"
+ "\tJUMP_COUNT := Absolute jump from start of action list\n"
+ "\n");
#endif
}
-#define usage() return(-1)
-int
-get_act(char ***argv_p)
+static void
+usage(void)
{
- char **argv = *argv_p;
-
- if (matches(*argv, "reclassify") == 0) {
- return TC_ACT_RECLASSIFY;
- } else if (matches(*argv, "drop") == 0 || matches(*argv, "shot") == 0) {
- return TC_ACT_SHOT;
- } else if (matches(*argv, "continue") == 0) {
- return TC_ACT_UNSPEC;
- } else if (matches(*argv, "pipe") == 0) {
- return TC_ACT_PIPE;
- } else if (matches(*argv, "pass") == 0 || matches(*argv, "ok") == 0) {
- return TC_ACT_OK;
- } else {
- fprintf(stderr,"bad action type %s\n",*argv);
- return -10;
- }
+ explain();
+ exit(-1);
}
-int
-parse_gact(struct action_util *a, int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n)
+static int
+parse_gact(struct action_util *a, int *argc_p, char ***argv_p,
+ int tca_id, struct nlmsghdr *n)
{
int argc = *argc_p;
char **argv = *argv_p;
- int ok = 0;
- int action = TC_POLICE_RECLASSIFY;
- struct tc_gact p;
+ struct tc_gact p = { 0 };
#ifdef CONFIG_GACT_PROB
int rd = 0;
struct tc_gact_p pp;
#endif
struct rtattr *tail;
- memset(&p, 0, sizeof (p));
- p.action = TC_POLICE_RECLASSIFY;
-
if (argc < 0)
return -1;
-
- if (matches(*argv, "gact") == 0) {
- ok++;
- } else {
- action = get_act(&argv);
- if (action != -10) {
- p.action = action;
- ok++;
- } else {
- explain();
- return action;
- }
- }
-
- if (ok) {
- argc--;
- argv++;
- }
+ if (!matches(*argv, "gact"))
+ NEXT_ARG();
+ /* we're binding existing gact action to filter by index. */
+ if (!matches(*argv, "index"))
+ goto skip_args;
+ if (parse_action_control(&argc, &argv, &p.action, false))
+ usage(); /* does not return */
#ifdef CONFIG_GACT_PROB
- if (ok && argc > 0) {
+ if (argc > 0) {
if (matches(*argv, "random") == 0) {
rd = 1;
NEXT_ARG();
return -1;
}
- action = get_act(&argv);
- if (action != -10) { /* FIXME */
- pp.paction = action;
- } else {
- explain();
- return -1;
- }
- argc--;
- argv++;
+ if (parse_action_control(&argc, &argv,
+ &pp.paction, false) == -1)
+ usage();
if (get_u16(&pp.pval, *argv, 10)) {
- fprintf(stderr, "Illegal probability val 0x%x\n",pp.pval);
+ fprintf(stderr,
+ "Illegal probability val 0x%x\n",
+ pp.pval);
return -1;
}
if (pp.pval > 10000) {
- fprintf(stderr, "Illegal probability val 0x%x\n",pp.pval);
+ fprintf(stderr,
+ "Illegal probability val 0x%x\n",
+ pp.pval);
return -1;
}
argc--;
argv++;
+ } else if (matches(*argv, "help") == 0) {
+ usage();
}
}
#endif
if (argc > 0) {
if (matches(*argv, "index") == 0) {
+skip_args:
NEXT_ARG();
if (get_u32(&p.index, *argv, 10)) {
fprintf(stderr, "Illegal \"index\"\n");
}
argc--;
argv++;
- ok++;
+ } else if (matches(*argv, "help") == 0) {
+ usage();
}
}
- if (!ok)
- return -1;
-
- tail = (struct rtattr *) (((void *) n) + NLMSG_ALIGN(n->nlmsg_len));
- addattr_l(n, MAX_MSG, tca_id, NULL, 0);
- addattr_l(n, MAX_MSG, TCA_GACT_PARMS, &p, sizeof (p));
+ tail = addattr_nest(n, MAX_MSG, tca_id);
+ addattr_l(n, MAX_MSG, TCA_GACT_PARMS, &p, sizeof(p));
#ifdef CONFIG_GACT_PROB
- if (rd) {
- addattr_l(n, MAX_MSG, TCA_GACT_PROB, &pp, sizeof (pp));
- }
+ if (rd)
+ addattr_l(n, MAX_MSG, TCA_GACT_PROB, &pp, sizeof(pp));
#endif
- tail->rta_len =
- (((void *) n) + NLMSG_ALIGN(n->nlmsg_len)) - (void *) tail;
+ addattr_nest_end(n, tail);
*argc_p = argc;
*argv_p = argv;
return 0;
}
-int
-print_gact(struct action_util *au,FILE * f, struct rtattr *arg)
+static int
+print_gact(struct action_util *au, FILE *f, struct rtattr *arg)
{
- SPRINT_BUF(b1);
#ifdef CONFIG_GACT_PROB
- SPRINT_BUF(b2);
struct tc_gact_p *pp = NULL;
struct tc_gact_p pp_dummy;
#endif
if (arg == NULL)
return -1;
- memset(tb, 0, sizeof (tb));
- parse_rtattr(tb, TCA_GACT_MAX, RTA_DATA(arg), RTA_PAYLOAD(arg));
+ parse_rtattr_nested(tb, TCA_GACT_MAX, arg);
if (tb[TCA_GACT_PARMS] == NULL) {
- fprintf(f, "[NULL gact parameters]");
+ fprintf(stderr, "Missing gact parameters\n");
return -1;
}
p = RTA_DATA(tb[TCA_GACT_PARMS]);
- fprintf(f, "gact action %s", action_n2a(p->action, b1, sizeof (b1)));
+ print_string(PRINT_ANY, "kind", "%s ", "gact");
+ print_action_control(f, "action ", p->action, "");
#ifdef CONFIG_GACT_PROB
- if (NULL != tb[TCA_GACT_PROB]) {
+ if (tb[TCA_GACT_PROB] != NULL) {
pp = RTA_DATA(tb[TCA_GACT_PROB]);
} else {
/* need to keep consistent output */
- memset(&pp_dummy, 0, sizeof (pp_dummy));
+ memset(&pp_dummy, 0, sizeof(pp_dummy));
pp = &pp_dummy;
}
- fprintf(f, "\n\t random type %s %s val %d",prob_n2a(pp->ptype), action_n2a(pp->paction, b2, sizeof (b2)), pp->pval);
+ open_json_object("prob");
+ print_nl();
+ print_string(PRINT_ANY, "random_type", "\t random type %s",
+ prob_n2a(pp->ptype));
+ print_action_control(f, " ", pp->paction, " ");
+ print_int(PRINT_ANY, "val", "val %d", pp->pval);
+ close_json_object();
#endif
- fprintf(f, "\n\t index %d ref %d bind %d",p->index, p->refcnt, p->bindcnt);
+ print_nl();
+ print_uint(PRINT_ANY, "index", "\t index %u", p->index);
+ print_int(PRINT_ANY, "ref", " ref %d", p->refcnt);
+ print_int(PRINT_ANY, "bind", " bind %d", p->bindcnt);
if (show_stats) {
if (tb[TCA_GACT_TM]) {
struct tcf_t *tm = RTA_DATA(tb[TCA_GACT_TM]);
- print_tm(f,tm);
+
+ print_tm(f, tm);
}
}
- fprintf(f, "\n ");
+ print_nl();
return 0;
}
projects / mirror_iproute2.git / blobdiff