@@ -56,6 +56,7 @@ static void usage(void)
" [ encap ENCAPTYPE ENCAPHDR ] |\n"
" group GROUP [ fdb ] [ type TYPE [ TYPE_ARGS ] ] }\n"
"GROUP := [ <id[,weight]>/<id[,weight]>/... ]\n"
+ " [ hw_stats {off|on} ]\n"
"TYPE := { mpath | resilient }\n"
"TYPE_ARGS := [ RESILIENT_ARGS ]\n"
"RESILIENT_ARGS := [ buckets BUCKETS ] [ idle_timer IDLE ]\n"
@@ -1102,6 +1103,17 @@ static int ipnh_modify(int cmd, unsigned int flags, int argc, char **argv)
if (rtnl_rtprot_a2n(&prot, *argv))
invarg("\"protocol\" value is invalid\n", *argv);
req.nhm.nh_protocol = prot;
+ } else if (!strcmp(*argv, "hw_stats")) {
+ bool hw_stats;
+ int ret;
+
+ NEXT_ARG();
+ hw_stats = parse_on_off("hw_stats", *argv, &ret);
+ if (ret)
+ return ret;
+
+ addattr32(&req.n, sizeof(req), NHA_HW_STATS_ENABLE,
+ hw_stats);
} else if (strcmp(*argv, "help") == 0) {
usage();
} else {
@@ -68,6 +68,8 @@ ip-nexthop \- nexthop object management
.BR fdb " ] | "
.B group
.IR GROUP " [ "
+.BR hw_stats " { "
+.BR on " | " off " } ] [ "
.BR fdb " ] [ "
.B type
.IR TYPE " [ " TYPE_ARGS " ] ] }"
Besides SW datapath stats, the kernel also support collecting statistics from HW datapath, for nexthop groups offloaded to HW. Since collection of these statistics may consume HW resources, there is an interface to request that the HW stats be recorded. Add this toggle to "ip nexthop". Signed-off-by: Petr Machata <petrm@nvidia.com> --- ip/ipnexthop.c | 12 ++++++++++++ man/man8/ip-nexthop.8 | 2 ++ 2 files changed, 14 insertions(+)