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ipoib: show VF broadcast address

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in IPoIB case we can't see a VF broadcast address for but
can see for PF

Before:
11: ib1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc pfifo_fast
state UP mode DEFAULT group default qlen 256
    link/infiniband
80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd
00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
    vf 0 MAC 14:80:00:00:66:fe, spoof checking off, link-state disable,
trust off, query_rss off
...

After:
11: ib1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc pfifo_fast
state UP mode DEFAULT group default qlen 256
    link/infiniband
80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c 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
80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd
00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff, spoof
checking off, link-state disable, trust off, query_rss off

v1->v2: add the IFLA_VF_BROADCAST constant
v2->v3: put IFLA_VF_BROADCAST at the end
to avoid KABI breakage and set NLA_REJECT
dev_setlink

Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis Kirjanov 2019-06-17 10:53:41 +02:00 committed by David S. Miller
parent 64d701c608
commit 75345f888f
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/uapi/linux/if_link.h
View File

@ -694,6 +694,7 @@ enum {
IFLA_VF_IB_NODE_GUID, /* VF Infiniband node GUID */
IFLA_VF_IB_PORT_GUID, /* VF Infiniband port GUID */
IFLA_VF_VLAN_LIST, /* nested list of vlans, option for QinQ */
IFLA_VF_BROADCAST, /* VF broadcast */
__IFLA_VF_MAX,
};
@ -704,6 +705,10 @@ struct ifla_vf_mac {
__u8 mac[32]; /* MAX_ADDR_LEN */
};
struct ifla_vf_broadcast {
__u8 broadcast[32];
};
struct ifla_vf_vlan {
__u32 vf;
__u32 vlan; /* 0 - 4095, 0 disables VLAN filter */

5
net/core/rtnetlink.c
View File

@ -908,6 +908,7 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev,
size += num_vfs *
(nla_total_size(0) +
nla_total_size(sizeof(struct ifla_vf_mac)) +
nla_total_size(sizeof(struct ifla_vf_broadcast)) +
nla_total_size(sizeof(struct ifla_vf_vlan)) +
nla_total_size(0) + /* nest IFLA_VF_VLAN_LIST */
nla_total_size(MAX_VLAN_LIST_LEN *
@ -1197,6 +1198,7 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb,
struct ifla_vf_vlan vf_vlan;
struct ifla_vf_rate vf_rate;
struct ifla_vf_mac vf_mac;
struct ifla_vf_broadcast vf_broadcast;
struct ifla_vf_info ivi;
memset(&ivi, 0, sizeof(ivi));
@ -1231,6 +1233,7 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb,
vf_trust.vf = ivi.vf;
memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
memcpy(vf_broadcast.broadcast, dev->broadcast, dev->addr_len);
vf_vlan.vlan = ivi.vlan;
vf_vlan.qos = ivi.qos;
vf_vlan_info.vlan = ivi.vlan;
@ -1247,6 +1250,7 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb,
if (!vf)
goto nla_put_vfinfo_failure;
if (nla_put(skb, IFLA_VF_MAC, sizeof(vf_mac), &vf_mac) ||
nla_put(skb, IFLA_VF_BROADCAST, sizeof(vf_broadcast), &vf_broadcast) ||
nla_put(skb, IFLA_VF_VLAN, sizeof(vf_vlan), &vf_vlan) ||
nla_put(skb, IFLA_VF_RATE, sizeof(vf_rate),
&vf_rate) ||
@ -1753,6 +1757,7 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
[IFLA_VF_MAC] = { .len = sizeof(struct ifla_vf_mac) },
[IFLA_VF_BROADCAST] = { .type = NLA_REJECT },
[IFLA_VF_VLAN] = { .len = sizeof(struct ifla_vf_vlan) },
[IFLA_VF_VLAN_LIST] = { .type = NLA_NESTED },
[IFLA_VF_TX_RATE] = { .len = sizeof(struct ifla_vf_tx_rate) },