Merge branch 'net-next-3.10'

ip/ipaddress.c

@@ -229,6 +229,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 	struct ifla_vf_vlan *vf_vlan;
 	struct ifla_vf_tx_rate *vf_tx_rate;
 	struct ifla_vf_spoofchk *vf_spoofchk;
+	struct ifla_vf_link_state *vf_linkstate;
 	struct rtattr *vf[IFLA_VF_MAX+1];
 	struct rtattr *tmp;
 	SPRINT_BUF(b1);
@@ -255,6 +256,20 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 	else
 		vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
 
+	if (vf_spoofchk) {
+		/* Check if the link state vf info type is supported by
+		 * this kernel.
+		 */
+		tmp = (struct rtattr *)((char *)vf[IFLA_VF_SPOOFCHK] +
+				vf[IFLA_VF_SPOOFCHK]->rta_len);
+
+		if (tmp->rta_type != IFLA_VF_LINK_STATE)
+			vf_linkstate = NULL;
+		else
+			vf_linkstate = RTA_DATA(vf[IFLA_VF_LINK_STATE]);
+	} else
+		vf_linkstate = NULL;
+
 	fprintf(fp, "\n    vf %d MAC %s", vf_mac->vf,
 		ll_addr_n2a((unsigned char *)&vf_mac->mac,
 		ETH_ALEN, 0, b1, sizeof(b1)));
@@ -270,6 +285,14 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 		else
 			fprintf(fp, ", spoof checking off");
 	}
+	if (vf_linkstate) {
+		if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
+			fprintf(fp, ", link-state auto");
+		else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
+			fprintf(fp, ", link-state enable");
+		else
+			fprintf(fp, ", link-state disable");
+	}
 }
 
 static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) {

ip/iplink.c

@@ -77,6 +77,7 @@ void iplink_usage(void)
 	fprintf(stderr, "				   [ rate TXRATE ] ] \n");
 
 	fprintf(stderr, "				   [ spoofchk { on | off} ] ] \n");
+	fprintf(stderr, "				   [ state { auto | enable | disable} ] ]\n");
 	fprintf(stderr, "			  [ master DEVICE ]\n");
 	fprintf(stderr, "			  [ nomaster ]\n");
 	fprintf(stderr, "       ip link show [ DEVICE | group GROUP ] [up]\n");
@@ -255,6 +256,19 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
 			ivs.vf = vf;
 			addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs));
 
+		} else if (matches(*argv, "state") == 0) {
+			struct ifla_vf_link_state ivl;
+			NEXT_ARG();
+			if (matches(*argv, "auto") == 0)
+				ivl.link_state = IFLA_VF_LINK_STATE_AUTO;
+			else if (matches(*argv, "enable") == 0)
+				ivl.link_state = IFLA_VF_LINK_STATE_ENABLE;
+			else if (matches(*argv, "disable") == 0)
+				ivl.link_state = IFLA_VF_LINK_STATE_DISABLE;
+			else
+				invarg("Invalid \"state\" value\n", *argv);
+			ivl.vf = vf;
+			addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, &ivl, sizeof(ivl));
 		} else {
 			/* rewind arg */
 			PREV_ARG();

ip/iproute.c

@@ -52,6 +52,7 @@ static const char *mx_names[RTAX_MAX+1] = {
 	[RTAX_FEATURES] = "features",
 	[RTAX_RTO_MIN]	= "rto_min",
 	[RTAX_INITRWND]	= "initrwnd",
+	[RTAX_QUICKACK]	= "quickack",
 };
 static void usage(void) __attribute__((noreturn));
 
@@ -79,6 +80,7 @@ static void usage(void)
 	fprintf(stderr, "           [ window NUMBER] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n");
 	fprintf(stderr, "           [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n");
 	fprintf(stderr, "           [ rto_min TIME ] [ hoplimit NUMBER ] [ initrwnd NUMBER ]\n");
+	fprintf(stderr, "           [ quickack BOOL ]\n");
 	fprintf(stderr, "TYPE := [ unicast | local | broadcast | multicast | throw |\n");
 	fprintf(stderr, "          unreachable | prohibit | blackhole | nat ]\n");
 	fprintf(stderr, "TABLE_ID := [ local | main | default | all | NUMBER ]\n");
@@ -86,6 +88,7 @@ static void usage(void)
 	fprintf(stderr, "NHFLAGS := [ onlink | pervasive ]\n");
 	fprintf(stderr, "RTPROTO := [ kernel | boot | static | NUMBER ]\n");
 	fprintf(stderr, "TIME := NUMBER[s|ms]\n");
+	fprintf(stderr, "BOOL := [1|0]\n");
 	exit(-1);
 }
 
@@ -885,6 +888,14 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
 			if (get_unsigned(&win, *argv, 0))
 				invarg("\"initrwnd\" value is invalid\n", *argv);
 			rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITRWND, win);
+		} else if (matches(*argv, "quickack") == 0) {
+			unsigned quickack;
+			NEXT_ARG();
+			if (get_unsigned(&quickack, *argv, 0))
+				invarg("\"quickack\" value is invalid\n", *argv);
+			if (quickack != 1 && quickack != 0)
+				invarg("\"quickack\" value should be 0 or 1\n", *argv);
+			rta_addattr32(mxrta, sizeof(mxbuf), RTAX_QUICKACK, quickack);
 		} else if (matches(*argv, "rttvar") == 0) {
 			unsigned win;
 			NEXT_ARG();

man/man8/ip-route.8.in

@@ -111,6 +111,8 @@ replace " } "
 .IR NUMBER " ] [ "
 .B  initrwnd
 .IR NUMBER " ]"
+.B  quickack
+.IR BOOL " ]"
 
 .ti -8
 .IR TYPE " := [ "
@@ -406,6 +408,10 @@ the initial receive window size for connections to this destination.
 Actual window size is this value multiplied by the MSS of the connection.
 The default value is zero, meaning to use Slow Start value.
 
+.TP
+.BI quickack " BOOL " "(3.11+ only)"
+Enable or disable quick ack for connections to this destination.
+
 .TP
 .BI advmss " NUMBER " "(2.3.15+ only)"
 the MSS ('Maximal Segment Size') to advertise to these