naccyde / rpms / iproute

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Blame SOURCES/iproute2-3.10.0-Add-VF-link-state-control.patch

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diff --git a/ip/ipaddress.c b/ip/ipaddress.c
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index 2b3707a..013b4cb 100644
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--- a/ip/ipaddress.c
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+++ b/ip/ipaddress.c
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@@ -229,6 +229,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
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 	struct ifla_vf_vlan *vf_vlan;
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 	struct ifla_vf_tx_rate *vf_tx_rate;
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 	struct ifla_vf_spoofchk *vf_spoofchk;
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+	struct ifla_vf_link_state *vf_linkstate;
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 	struct rtattr *vf[IFLA_VF_MAX+1];
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 	struct rtattr *tmp;
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 	SPRINT_BUF(b1);
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@@ -255,6 +256,20 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
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 	else
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 		vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
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+	if (vf_spoofchk) {
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+		/* Check if the link state vf info type is supported by
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+		 * this kernel.
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+		 */
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+		tmp = (struct rtattr *)((char *)vf[IFLA_VF_SPOOFCHK] +
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+				vf[IFLA_VF_SPOOFCHK]->rta_len);
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+
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+		if (tmp->rta_type != IFLA_VF_LINK_STATE)
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+			vf_linkstate = NULL;
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+		else
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+			vf_linkstate = RTA_DATA(vf[IFLA_VF_LINK_STATE]);
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+	} else
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+		vf_linkstate = NULL;
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+
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 	fprintf(fp, "\n    vf %d MAC %s", vf_mac->vf,
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 		ll_addr_n2a((unsigned char *)&vf_mac->mac,
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 		ETH_ALEN, 0, b1, sizeof(b1)));
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@@ -270,6 +285,14 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
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 		else
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 			fprintf(fp, ", spoof checking off");
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 	}
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+	if (vf_linkstate) {
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+		if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
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+			fprintf(fp, ", link-state auto");
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+		else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
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+			fprintf(fp, ", link-state enable");
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+		else
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+			fprintf(fp, ", link-state disable");
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+	}
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 }
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 static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) {
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diff --git a/ip/iplink.c b/ip/iplink.c
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index 15dd84f..f8bcd8c 100644
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--- a/ip/iplink.c
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+++ b/ip/iplink.c
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@@ -77,6 +77,7 @@ void iplink_usage(void)
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 	fprintf(stderr, "				   [ rate TXRATE ] ] \n");
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 	fprintf(stderr, "				   [ spoofchk { on | off} ] ] \n");
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+	fprintf(stderr, "				   [ state { auto | enable | disable} ] ]\n");
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 	fprintf(stderr, "			  [ master DEVICE ]\n");
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 	fprintf(stderr, "			  [ nomaster ]\n");
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 	fprintf(stderr, "       ip link show [ DEVICE | group GROUP ] [up]\n");
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@@ -260,6 +261,19 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
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 			ivs.vf = vf;
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 			addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs));
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+		} else if (matches(*argv, "state") == 0) {
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+			struct ifla_vf_link_state ivl;
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+			NEXT_ARG();
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+			if (matches(*argv, "auto") == 0)
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+				ivl.link_state = IFLA_VF_LINK_STATE_AUTO;
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+			else if (matches(*argv, "enable") == 0)
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+				ivl.link_state = IFLA_VF_LINK_STATE_ENABLE;
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+			else if (matches(*argv, "disable") == 0)
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+				ivl.link_state = IFLA_VF_LINK_STATE_DISABLE;
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+			else
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+				invarg("Invalid \"state\" value\n", *argv);
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+			ivl.vf = vf;
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+			addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, &ivl, sizeof(ivl));
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 		} else {
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 			/* rewind arg */
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 			PREV_ARG();
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diff --git a/include/linux/if_link.h b/include/linux/if_link.h
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index 9a31d6b..20092a7 100644
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--- a/include/linux/if_link.h
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+++ b/include/linux/if_link.h
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@@ -362,6 +362,18 @@ struct ifla_vf_spoofchk {
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 	__u32 setting;
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 };
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+enum {
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+	IFLA_VF_LINK_STATE_AUTO,        /* link state of the uplink */
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+	IFLA_VF_LINK_STATE_ENABLE,      /* link always up */
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+	IFLA_VF_LINK_STATE_DISABLE,     /* link always down */
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+	__IFLA_VF_LINK_STATE_MAX,
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+};
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+
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+struct ifla_vf_link_state {
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+	__u32 vf;
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+	__u32 link_state;
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+};
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+
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 /* VF ports management section
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  *
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  *	Nested layout of set/get msg is:
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diff --git a/include/linux/if_link.h b/include/linux/if_link.h
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index 20092a7..4877906 100644
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--- a/include/linux/if_link.h
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+++ b/include/linux/if_link.h
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@@ -336,6 +336,7 @@ enum {
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 	IFLA_VF_VLAN,
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 	IFLA_VF_TX_RATE,	/* TX Bandwidth Allocation */
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 	IFLA_VF_SPOOFCHK,	/* Spoof Checking on/off switch */
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+	IFLA_VF_LINK_STATE,     /* link state enable/disable/auto switch */
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 	__IFLA_VF_MAX,
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 };
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