提交 7910228b 编写于 作者: N Nikolay Aleksandrov 提交者: David S. Miller

bridge: netlink: add group_fwd_mask support

Add IFLA_BR_GROUP_FWD_MASK attribute to allow setting and retrieving the
group_fwd_mask via netlink.
Signed-off-by: NNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 68d4e520
......@@ -232,6 +232,7 @@ enum {
IFLA_BR_PRIORITY,
IFLA_BR_VLAN_FILTERING,
IFLA_BR_VLAN_PROTOCOL,
IFLA_BR_GROUP_FWD_MASK,
__IFLA_BR_MAX,
};
......
......@@ -764,6 +764,7 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = {
[IFLA_BR_PRIORITY] = { .type = NLA_U16 },
[IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 },
[IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 },
[IFLA_BR_GROUP_FWD_MASK] = { .type = NLA_U16 },
};
static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
......@@ -829,6 +830,14 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
}
#endif
if (data[IFLA_BR_GROUP_FWD_MASK]) {
u16 fwd_mask = nla_get_u16(data[IFLA_BR_GROUP_FWD_MASK]);
if (fwd_mask & BR_GROUPFWD_RESTRICTED)
return -EINVAL;
br->group_fwd_mask = fwd_mask;
}
return 0;
}
......@@ -844,6 +853,7 @@ static size_t br_get_size(const struct net_device *brdev)
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
nla_total_size(sizeof(__be16)) + /* IFLA_BR_VLAN_PROTOCOL */
#endif
nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */
0;
}
......@@ -856,6 +866,7 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
u32 ageing_time = jiffies_to_clock_t(br->ageing_time);
u32 stp_enabled = br->stp_enabled;
u16 priority = (br->bridge_id.prio[0] << 8) | br->bridge_id.prio[1];
u16 group_fwd_mask = br->group_fwd_mask;
u8 vlan_enabled = br_vlan_enabled(br);
if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) ||
......@@ -864,7 +875,8 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev)
nla_put_u32(skb, IFLA_BR_AGEING_TIME, ageing_time) ||
nla_put_u32(skb, IFLA_BR_STP_STATE, stp_enabled) ||
nla_put_u16(skb, IFLA_BR_PRIORITY, priority) ||
nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled))
nla_put_u8(skb, IFLA_BR_VLAN_FILTERING, vlan_enabled) ||
nla_put_u16(skb, IFLA_BR_GROUP_FWD_MASK, group_fwd_mask))
return -EMSGSIZE;
#ifdef CONFIG_BRIDGE_VLAN_FILTERING
......
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