diff options
| author | Horatiu Vultur <horatiu.vultur@microchip.com> | 2020-07-02 11:13:06 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-03 00:19:15 +0300 |
| commit | df42ef227dc4fdb7acc8d755e029ed27a2e814f8 (patch) | |
| tree | 28094693dd7bba7c330f6ab15c5ab1c20548d75e | |
| parent | e4266b991fead8eb996688e82ff39f6cc59ef7dd (diff) | |
| download | linux-df42ef227dc4fdb7acc8d755e029ed27a2e814f8.tar.xz | |
bridge: mrp: Add br_mrp_fill_info
Add the function br_mrp_fill_info which populates the MRP attributes
regarding the status of each MRP instance.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/bridge/br_mrp_netlink.c | 64 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 7 |
2 files changed, 71 insertions, 0 deletions
diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c index 34b3a8776991..c4f5c356811f 100644 --- a/net/bridge/br_mrp_netlink.c +++ b/net/bridge/br_mrp_netlink.c @@ -304,6 +304,70 @@ int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, return 0; } +int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) +{ + struct nlattr *tb, *mrp_tb; + struct br_mrp *mrp; + + mrp_tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP); + if (!mrp_tb) + return -EMSGSIZE; + + list_for_each_entry_rcu(mrp, &br->mrp_list, list) { + struct net_bridge_port *p; + + tb = nla_nest_start_noflag(skb, IFLA_BRIDGE_MRP_INFO); + if (!tb) + goto nla_info_failure; + + if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_ID, + mrp->ring_id)) + goto nla_put_failure; + + p = rcu_dereference(mrp->p_port); + if (p && nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_P_IFINDEX, + p->dev->ifindex)) + goto nla_put_failure; + + p = rcu_dereference(mrp->s_port); + if (p && nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_S_IFINDEX, + p->dev->ifindex)) + goto nla_put_failure; + + if (nla_put_u16(skb, IFLA_BRIDGE_MRP_INFO_PRIO, + mrp->prio)) + goto nla_put_failure; + if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_STATE, + mrp->ring_state)) + goto nla_put_failure; + if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_RING_ROLE, + mrp->ring_role)) + goto nla_put_failure; + if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_INTERVAL, + mrp->test_interval)) + goto nla_put_failure; + if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_MAX_MISS, + mrp->test_max_miss)) + goto nla_put_failure; + if (nla_put_u32(skb, IFLA_BRIDGE_MRP_INFO_TEST_MONITOR, + mrp->test_monitor)) + goto nla_put_failure; + + nla_nest_end(skb, tb); + } + nla_nest_end(skb, mrp_tb); + + return 0; + +nla_put_failure: + nla_nest_cancel(skb, tb); + +nla_info_failure: + nla_nest_cancel(skb, mrp_tb); + + return -EMSGSIZE; +} + int br_mrp_port_open(struct net_device *dev, u8 loc) { struct net_bridge_port *p; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 6a7d8e218ae7..65d2c163a24a 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -1317,6 +1317,7 @@ int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb); bool br_mrp_enabled(struct net_bridge *br); void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p); +int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br); #else static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p, struct nlattr *attr, int cmd, @@ -1339,6 +1340,12 @@ static inline void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p) { } + +static inline int br_mrp_fill_info(struct sk_buff *skb, struct net_bridge *br) +{ + return 0; +} + #endif /* br_netlink.c */ |