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| author | Scott Feldman <sfeldma@gmail.com> | 2015-06-22 00:27:17 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-23 06:56:18 -0700 |
| commit | 7d4f8d871ab15bd50a5771382ca2c9355b38d73c (patch) | |
| tree | dc2b70efc634d14085fc8e2abe0050e7039dc7f7 /net/core/rtnetlink.c | |
| parent | 3e3a78b49508e58f798cf519876bbb9ca0f931af (diff) | |
| download | linux-7d4f8d871ab15bd50a5771382ca2c9355b38d73c.tar.bz2 | |
switchdev; add VLAN support for port's bridge_getlink
One more missing piece of the puzzle. Add vlan dump support to switchdev
port's bridge_getlink. iproute2 "bridge vlan show" cmd already knows how
to show the vlans installed on the bridge and the device , but (until now)
no one implemented the port vlan part of the netlink PF_BRIDGE:RTM_GETLINK
msg. Before this patch, "bridge vlan show":
$ bridge -c vlan show
port vlan ids
sw1p1 30-34 << bridge side vlans
57
sw1p1 << device side vlans (missing)
sw1p2 57
sw1p2
sw1p3
sw1p4
br0 None
(When the port is bridged, the output repeats the vlan list for the vlans
on the bridge side of the port and the vlans on the device side of the
port. The listing above show no vlans for the device side even though they
are installed).
After this patch:
$ bridge -c vlan show
port vlan ids
sw1p1 30-34 << bridge side vlan
57
sw1p1 30-34 << device side vlans
57
3840 PVID
sw1p2 57
sw1p2 57
3840 PVID
sw1p3 3842 PVID
sw1p4 3843 PVID
br0 None
I re-used ndo_dflt_bridge_getlink to add vlan fill call-back func.
switchdev support adds an obj dump for VLAN objects, using the same
call-back scheme as FDB dump. Support included for both compressed and
un-compressed vlan dumps.
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 2d102ce1474f..01ced4a889e0 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2908,7 +2908,11 @@ static int brport_nla_put_flag(struct sk_buff *skb, u32 flags, u32 mask, int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, u16 mode, - u32 flags, u32 mask, int nlflags) + u32 flags, u32 mask, int nlflags, + u32 filter_mask, + int (*vlan_fill)(struct sk_buff *skb, + struct net_device *dev, + u32 filter_mask)) { struct nlmsghdr *nlh; struct ifinfomsg *ifm; @@ -2916,6 +2920,7 @@ int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct nlattr *protinfo; u8 operstate = netif_running(dev) ? dev->operstate : IF_OPER_DOWN; struct net_device *br_dev = netdev_master_upper_dev_get(dev); + int err = 0; nlh = nlmsg_put(skb, pid, seq, RTM_NEWLINK, sizeof(*ifm), nlflags); if (nlh == NULL) @@ -2956,6 +2961,13 @@ int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, goto nla_put_failure; } } + if (vlan_fill) { + err = vlan_fill(skb, dev, filter_mask); + if (err) { + nla_nest_cancel(skb, br_afspec); + goto nla_put_failure; + } + } nla_nest_end(skb, br_afspec); protinfo = nla_nest_start(skb, IFLA_PROTINFO | NLA_F_NESTED); @@ -2989,9 +3001,9 @@ int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, return 0; nla_put_failure: nlmsg_cancel(skb, nlh); - return -EMSGSIZE; + return err ? err : -EMSGSIZE; } -EXPORT_SYMBOL(ndo_dflt_bridge_getlink); +EXPORT_SYMBOL_GPL(ndo_dflt_bridge_getlink); static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb) { |