From: Danit Goldberg <danitg@mellanox.com>
Date: Mon, 18 Nov 2019 07:49:12 +0000 (+0200)
Subject: ip link: Add support to get SR-IOV VF node GUID and port GUID
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=738728cc6cded8d3f2f4ad7778d50d57db0f2d5a;p=mirror_iproute2.git

ip link: Add support to get SR-IOV VF node GUID and port GUID

Extend iplink to show VF GUIDs (IFLA_VF_IB_NODE_GUID, IFLA_VF_IB_PORT_GUID),
giving the ability for user-space application to print GUID values.
This ability is added to the one of setting new node GUID and port GUID values.

Suitable ip link command:
- ip link show <device>

For example:
- ip link set ib4 vf 0 node_guid 22:44:33:00:33:11:00:33
- ip link set ib4 vf 0 port_guid 10:21:33:12:00:11:22:10
- ip link show ib4
ib4: <BROADCAST,MULTICAST> mtu 4092 qdisc noop state DOWN mode DEFAULT group default qlen 256
link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
vf 0     link/infiniband 00:00:0a:2d:fe:80:00:00:00:00:00:00:ec:0d:9a:03:00:44:36:8d brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff,
spoof checking off, NODE_GUID 22:44:33:00:33:11:00:33, PORT_GUID 10:21:33:12:00:11:22:10, link-state disable, trust off, query_rss off

Signed-off-by: Danit Goldberg <danitg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
---

diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index b72eb7a1..fe41bbef 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -484,6 +484,24 @@ static void print_vfinfo(FILE *fp, struct ifinfomsg *ifi, struct rtattr *vfinfo)
 				   vf_spoofchk->setting);
 	}
 
+	if (vf[IFLA_VF_IB_NODE_GUID]) {
+		struct ifla_vf_guid *guid = RTA_DATA(vf[IFLA_VF_IB_NODE_GUID]);
+		uint64_t node_guid = ntohll(guid->guid);
+
+		print_string(PRINT_ANY, "node guid", ", NODE_GUID %s",
+			     ll_addr_n2a((const unsigned char *)&node_guid,
+					 sizeof(node_guid), ARPHRD_INFINIBAND,
+					 b1, sizeof(b1)));
+	}
+	if (vf[IFLA_VF_IB_PORT_GUID]) {
+		struct ifla_vf_guid *guid = RTA_DATA(vf[IFLA_VF_IB_PORT_GUID]);
+		uint64_t port_guid = ntohll(guid->guid);
+
+		print_string(PRINT_ANY, "port guid", ", PORT_GUID %s",
+			     ll_addr_n2a((const unsigned char *)&port_guid,
+					 sizeof(port_guid), ARPHRD_INFINIBAND,
+					 b1, sizeof(b1)));
+	}
 	if (vf[IFLA_VF_LINK_STATE]) {
 		struct ifla_vf_link_state *vf_linkstate =
 			RTA_DATA(vf[IFLA_VF_LINK_STATE]);