+++ /dev/null
-/*
- * 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)
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <string.h>
-
-#include "utils.h"
-#include "tc_util.h"
-#include <linux/tc_act/tc_gact.h>
-
-/* define to turn on probablity stuff */
-
-#ifdef CONFIG_GACT_PROB
-static const char *prob_n2a(int p)
-{
- if (p == PGACT_NONE)
- return "none";
- if (p == PGACT_NETRAND)
- return "netrand";
- if (p == PGACT_DETERM)
- return "determ";
- return "none";
-}
-#endif
-
-static void
-explain(void)
-{
-#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"
- "\n");
-#else
- fprintf(stderr, "Usage: ... gact <ACTION> [INDEX]\n");
- fprintf(stderr,
- "Where: ACTION := reclassify | drop | continue | pass "
- "INDEX := index value used"
- "\n");
-#endif
-}
-
-#define usage() return(-1)
-
-int
-get_act(char ***argv_p)
-{
- 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;
- }
-}
-
-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;
-#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++;
- }
-
-#ifdef CONFIG_GACT_PROB
- if (ok && argc > 0) {
- if (matches(*argv, "random") == 0) {
- rd = 1;
- NEXT_ARG();
- if (matches(*argv, "netrand") == 0) {
- NEXT_ARG();
- pp.ptype = PGACT_NETRAND;
- } else if (matches(*argv, "determ") == 0) {
- NEXT_ARG();
- pp.ptype = PGACT_DETERM;
- } else {
- fprintf(stderr, "Illegal \"random type\"\n");
- return -1;
- }
-
- action = get_act(&argv);
- if (action != -10) { /* FIXME */
- pp.paction = action;
- } else {
- explain();
- return -1;
- }
- argc--;
- argv++;
- if (get_u16(&pp.pval, *argv, 10)) {
- 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);
- return -1;
- }
- argc--;
- argv++;
- }
- }
-#endif
-
- if (argc > 0) {
- if (matches(*argv, "index") == 0) {
- NEXT_ARG();
- if (get_u32(&p.index, *argv, 10)) {
- fprintf(stderr, "Illegal \"index\"\n");
- return -1;
- }
- argc--;
- argv++;
- ok++;
- }
- }
-
- if (!ok)
- return -1;
-
- tail = NLMSG_TAIL(n);
- addattr_l(n, MAX_MSG, tca_id, NULL, 0);
- 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));
- }
-#endif
- tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
-
- *argc_p = argc;
- *argv_p = argv;
- return 0;
-}
-
-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
- struct tc_gact *p = NULL;
- struct rtattr *tb[TCA_GACT_MAX + 1];
-
- if (arg == NULL)
- return -1;
-
- parse_rtattr_nested(tb, TCA_GACT_MAX, arg);
-
- if (tb[TCA_GACT_PARMS] == NULL) {
- fprintf(f, "[NULL gact parameters]");
- return -1;
- }
- p = RTA_DATA(tb[TCA_GACT_PARMS]);
-
- fprintf(f, "gact action %s", action_n2a(p->action, b1, sizeof (b1)));
-#ifdef CONFIG_GACT_PROB
- if (NULL != tb[TCA_GACT_PROB]) {
- pp = RTA_DATA(tb[TCA_GACT_PROB]);
- } else {
- /* need to keep consistent output */
- 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);
-#endif
- fprintf(f, "\n\t index %d ref %d bind %d",p->index, p->refcnt, p->bindcnt);
- if (show_stats) {
- if (tb[TCA_GACT_TM]) {
- struct tcf_t *tm = RTA_DATA(tb[TCA_GACT_TM]);
- print_tm(f,tm);
- }
- }
- fprintf(f, "\n ");
- return 0;
-}
-
-struct action_util gact_action_util = {
- .id = "gact",
- .parse_aopt = parse_gact,
- .print_aopt = print_gact,
-};
git://git.onelab.eu / iproute2.git / blobdiff