From: Patrick McHardy <kaber@trash.net>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Linux Netdev List <netdev@vger.kernel.org>
Subject: [PATCH IPROUTE]: cls_flow: add perturbation support
Date: Mon, 14 Jul 2008 14:42:48 +0200 [thread overview]
Message-ID: <487B49C8.6030607@trash.net> (raw)
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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>
diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h
index 99efbed..7cf7824 100644
--- a/include/linux/pkt_cls.h
+++ b/include/linux/pkt_cls.h
@@ -374,6 +374,7 @@ enum
TCA_FLOW_ACT,
TCA_FLOW_POLICE,
TCA_FLOW_EMATCHES,
+ TCA_FLOW_PERTURB,
__TCA_FLOW_MAX
};
diff --git a/tc/f_flow.c b/tc/f_flow.c
index 1537ade..84b45c9 100644
--- a/tc/f_flow.c
+++ b/tc/f_flow.c
@@ -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])
reply other threads:[~2008-07-14 12:44 UTC|newest]
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