[net-next] iproute2: Add new command to IP link to enable/disable VF spoof check

[Jeff Kirsher <jeffrey.t.kirsher@intel.com>]

From: Greg Rose <gregory.v.rose@intel.com>

Add IP link command parsing for VF spoof checking enable/disable

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 include/linux/if_link.h |    7 +++++++
 ip/ipaddress.c          |    6 ++++++
 ip/iplink.c             |   15 +++++++++++++++
 man/man8/ip.8           |    4 +++-
 4 files changed, 31 insertions(+), 1 deletions(-)

diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 304c44f..e421f60 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -277,6 +277,7 @@ enum {
 	IFLA_VF_MAC,		/* Hardware queue specific attributes */
 	IFLA_VF_VLAN,
 	IFLA_VF_TX_RATE,	/* TX Bandwidth Allocation */
+	IFLA_VF_SPOOFCHK,	/* Spoof Checking on/off switch */
 	__IFLA_VF_MAX,
 };
 
@@ -298,12 +299,18 @@ struct ifla_vf_tx_rate {
 	__u32 rate; /* Max TX bandwidth in Mbps, 0 disables throttling */
 };
 
+struct ifla_vf_spoofchk {
+	__u32 vf;
+	__u32 setting;
+};
+
 struct ifla_vf_info {
 	__u32 vf;
 	__u8 mac[32];
 	__u32 vlan;
 	__u32 qos;
 	__u32 tx_rate;
+	__u32 spoofchk;
 };
 
 /* VF ports management section
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index 85f05a2..7e6ac50 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -197,6 +197,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 	struct ifla_vf_mac *vf_mac;
 	struct ifla_vf_vlan *vf_vlan;
 	struct ifla_vf_tx_rate *vf_tx_rate;
+	struct ifla_vf_spoofchk *vf_spoofchk;
 	struct rtattr *vf[IFLA_VF_MAX+1];
 	SPRINT_BUF(b1);
 
@@ -210,6 +211,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 	vf_mac = RTA_DATA(vf[IFLA_VF_MAC]);
 	vf_vlan = RTA_DATA(vf[IFLA_VF_VLAN]);
 	vf_tx_rate = RTA_DATA(vf[IFLA_VF_TX_RATE]);
+	vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
 
 	fprintf(fp, "\n    vf %d MAC %s", vf_mac->vf,
 		ll_addr_n2a((unsigned char *)&vf_mac->mac,
@@ -220,6 +222,10 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
 		fprintf(fp, ", qos %d", vf_vlan->qos);
 	if (vf_tx_rate->rate)
 		fprintf(fp, ", tx rate %d (Mbps)", vf_tx_rate->rate);
+	if (vf_spoofchk->setting)
+		fprintf(fp, ", spoof checking on");
+	else
+		fprintf(fp, ", spoof checking off");
 }
 
 int print_linkinfo(const struct sockaddr_nl *who,
diff --git a/ip/iplink.c b/ip/iplink.c
index e5325a6..f4a5243 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -71,7 +71,10 @@ void iplink_usage(void)
 	fprintf(stderr, "			  [ alias NAME ]\n");
 	fprintf(stderr, "	                  [ vf NUM [ mac LLADDR ]\n");
 	fprintf(stderr, "				   [ vlan VLANID [ qos VLAN-QOS ] ]\n");
+
 	fprintf(stderr, "				   [ rate TXRATE ] ] \n");
+
+	fprintf(stderr, "				   [ spoofchk { on | off} ] ] \n");
 	fprintf(stderr, "			  [ master DEVICE ]\n");
 	fprintf(stderr, "			  [ nomaster ]\n");
 	fprintf(stderr, "       ip link show [ DEVICE | group GROUP ]\n");
@@ -228,6 +231,18 @@ int iplink_parse_vf(int vf, int *argcp, char ***argvp,
 			ivt.vf = vf;
 			addattr_l(&req->n, sizeof(*req), IFLA_VF_TX_RATE, &ivt, sizeof(ivt));
 		
+		} else if (matches(*argv, "spoofchk") == 0) {
+			struct ifla_vf_spoofchk ivs;
+			NEXT_ARG();
+			if (matches(*argv, "on") == 0)
+				ivs.setting = 1;
+			else if (matches(*argv, "off") == 0)
+				ivs.setting = 0;
+			else
+				invarg("Invalid \"spoofchk\" value\n", *argv);
+			ivs.vf = vf;
+			addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs));
+
 		} else {
 			/* rewind arg */
 			PREV_ARG();
diff --git a/man/man8/ip.8 b/man/man8/ip.8
index 27993a4..cd7b97a 100644
--- a/man/man8/ip.8
+++ b/man/man8/ip.8
@@ -100,7 +100,9 @@ ip \- show / manipulate routing, devices, policy routing and tunnels
 .B qos
 .IR VLAN-QOS " ] ] ["
 .B rate
-.IR TXRATE " ] |"
+.IR TXRATE " ] ["
+.B spoofchk { on | off }
+] |
 .br
 .B master
 .IR DEVICE
-- 
1.7.6.2