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cls_flow: add perturbation support 

commit 337628b9aca63fda7622701191d6304c83438909
Author: Patrick McHardy <kaber@trash.net>
Date:   Fri Jul 4 04:54:56 2008 +0200

    cls_flow: add perturbation support

    Signed-off-by: Patrick McHardy <kaber@trash.net>

Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
This commit is contained in:
Patrick McHardy 2008-07-14 14:42:48 +02:00 committed by Stephen Hemminger
parent dbef36b6f1
commit 87953940f9
1 changed files with 12 additions and 1 deletions
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13
tc/f_flow.c
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@ -24,7 +24,7 @@ static void explain(void)
"Usage: ... flow ...\n"
"\n"
" [mapping mode]: map key KEY [ OPS ] ...\n"
" [hashing mode]: hash keys KEY-LIST ...\n"
" [hashing mode]: hash keys KEY-LIST ... [ perturb SECS ]\n"
"\n"
" [ divisor NUM ] [ baseclass ID ] [ match EMATCH_TREE ]\n"
" [ police POLICE_SPEC ] [ action ACTION_SPEC ]\n"
@ -211,6 +211,13 @@ static int flow_parse_opt(struct filter_util *fu, char *handle,
return -1;
}
addattr32(n, 4096, TCA_FLOW_BASECLASS, tmp);
} else if (matches(*argv, "perturb") == 0) {
NEXT_ARG();
if (get_u32(&tmp, *argv, 0)) {
fprintf(stderr, "Illegal \"perturb\"\n");
return -1;
}
addattr32(n, 4096, TCA_FLOW_PERTURB, tmp);
} else if (matches(*argv, "police") == 0) {
NEXT_ARG();
if (parse_police(&argc, &argv, TCA_FLOW_POLICE, n)) {
@ -331,6 +338,10 @@ static int flow_print_opt(struct filter_util *fu, FILE *f, struct rtattr *opt,
fprintf(f, "baseclass %s ",
sprint_tc_classid(*(__u32 *)RTA_DATA(tb[TCA_FLOW_BASECLASS]), b1));
if (tb[TCA_FLOW_PERTURB])
fprintf(f, "perturb %usec ",
*(__u32 *)RTA_DATA(tb[TCA_FLOW_PERTURB]));
if (tb[TCA_FLOW_EMATCHES])
print_ematch(f, tb[TCA_FLOW_EMATCHES]);
if (tb[TCA_FLOW_POLICE])