diff options
Diffstat (limited to 'net/bridge/br_netlink.c')
-rw-r--r-- | net/bridge/br_netlink.c | 140 |
1 files changed, 113 insertions, 27 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index e9c635eae24d..a5343c7232bf 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -135,9 +135,9 @@ static inline size_t br_port_info_size(void) + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_NO */ + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_TOPOLOGY_CHANGE_ACK */ + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_CONFIG_PENDING */ - + nla_total_size(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ - + nla_total_size(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ - + nla_total_size(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */ + + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_MESSAGE_AGE_TIMER */ + + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_FORWARD_DELAY_TIMER */ + + nla_total_size_64bit(sizeof(u64)) /* IFLA_BRPORT_HOLD_TIMER */ #ifdef CONFIG_BRIDGE_IGMP_SNOOPING + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */ #endif @@ -190,13 +190,16 @@ static int br_port_fill_attrs(struct sk_buff *skb, return -EMSGSIZE; timerval = br_timer_value(&p->message_age_timer); - if (nla_put_u64(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval)) + if (nla_put_u64_64bit(skb, IFLA_BRPORT_MESSAGE_AGE_TIMER, timerval, + IFLA_BRPORT_PAD)) return -EMSGSIZE; timerval = br_timer_value(&p->forward_delay_timer); - if (nla_put_u64(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval)) + if (nla_put_u64_64bit(skb, IFLA_BRPORT_FORWARD_DELAY_TIMER, timerval, + IFLA_BRPORT_PAD)) return -EMSGSIZE; timerval = br_timer_value(&p->hold_timer); - if (nla_put_u64(skb, IFLA_BRPORT_HOLD_TIMER, timerval)) + if (nla_put_u64_64bit(skb, IFLA_BRPORT_HOLD_TIMER, timerval, + IFLA_BRPORT_PAD)) return -EMSGSIZE; #ifdef CONFIG_BRIDGE_IGMP_SNOOPING @@ -847,6 +850,7 @@ static const struct nla_policy br_policy[IFLA_BR_MAX + 1] = { [IFLA_BR_NF_CALL_IP6TABLES] = { .type = NLA_U8 }, [IFLA_BR_NF_CALL_ARPTABLES] = { .type = NLA_U8 }, [IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NLA_U16 }, + [IFLA_BR_VLAN_STATS_ENABLED] = { .type = NLA_U8 }, }; static int br_changelink(struct net_device *brdev, struct nlattr *tb[], @@ -918,6 +922,14 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[], if (err) return err; } + + if (data[IFLA_BR_VLAN_STATS_ENABLED]) { + __u8 vlan_stats = nla_get_u8(data[IFLA_BR_VLAN_STATS_ENABLED]); + + err = br_vlan_set_stats(br, vlan_stats); + if (err) + return err; + } #endif if (data[IFLA_BR_GROUP_FWD_MASK]) { @@ -1079,6 +1091,7 @@ 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 */ nla_total_size(sizeof(u16)) + /* IFLA_BR_VLAN_DEFAULT_PVID */ + nla_total_size(sizeof(u8)) + /* IFLA_BR_VLAN_STATS_ENABLED */ #endif nla_total_size(sizeof(u16)) + /* IFLA_BR_GROUP_FWD_MASK */ nla_total_size(sizeof(struct ifla_bridge_id)) + /* IFLA_BR_ROOT_ID */ @@ -1087,10 +1100,10 @@ static size_t br_get_size(const struct net_device *brdev) nla_total_size(sizeof(u32)) + /* IFLA_BR_ROOT_PATH_COST */ nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE */ nla_total_size(sizeof(u8)) + /* IFLA_BR_TOPOLOGY_CHANGE_DETECTED */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_HELLO_TIMER */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TCN_TIMER */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_TOPOLOGY_CHANGE_TIMER */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_GC_TIMER */ nla_total_size(ETH_ALEN) + /* IFLA_BR_GROUP_ADDR */ #ifdef CONFIG_BRIDGE_IGMP_SNOOPING nla_total_size(sizeof(u8)) + /* IFLA_BR_MCAST_ROUTER */ @@ -1101,12 +1114,12 @@ static size_t br_get_size(const struct net_device *brdev) nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_HASH_MAX */ nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_LAST_MEMBER_CNT */ nla_total_size(sizeof(u32)) + /* IFLA_BR_MCAST_STARTUP_QUERY_CNT */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ - nla_total_size(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_LAST_MEMBER_INTVL */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_MEMBERSHIP_INTVL */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERIER_INTVL */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_INTVL */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_QUERY_RESPONSE_INTVL */ + nla_total_size_64bit(sizeof(u64)) + /* IFLA_BR_MCAST_STARTUP_QUERY_INTVL */ #endif #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) nla_total_size(sizeof(u8)) + /* IFLA_BR_NF_CALL_IPTABLES */ @@ -1129,16 +1142,17 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) u64 clockval; clockval = br_timer_value(&br->hello_timer); - if (nla_put_u64(skb, IFLA_BR_HELLO_TIMER, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_HELLO_TIMER, clockval, IFLA_BR_PAD)) return -EMSGSIZE; clockval = br_timer_value(&br->tcn_timer); - if (nla_put_u64(skb, IFLA_BR_TCN_TIMER, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_TCN_TIMER, clockval, IFLA_BR_PAD)) return -EMSGSIZE; clockval = br_timer_value(&br->topology_change_timer); - if (nla_put_u64(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_TOPOLOGY_CHANGE_TIMER, clockval, + IFLA_BR_PAD)) return -EMSGSIZE; clockval = br_timer_value(&br->gc_timer); - if (nla_put_u64(skb, IFLA_BR_GC_TIMER, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_GC_TIMER, clockval, IFLA_BR_PAD)) return -EMSGSIZE; if (nla_put_u32(skb, IFLA_BR_FORWARD_DELAY, forward_delay) || @@ -1163,7 +1177,8 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) #ifdef CONFIG_BRIDGE_VLAN_FILTERING if (nla_put_be16(skb, IFLA_BR_VLAN_PROTOCOL, br->vlan_proto) || - nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid)) + nla_put_u16(skb, IFLA_BR_VLAN_DEFAULT_PVID, br->default_pvid) || + nla_put_u8(skb, IFLA_BR_VLAN_STATS_ENABLED, br->vlan_stats_enabled)) return -EMSGSIZE; #endif #ifdef CONFIG_BRIDGE_IGMP_SNOOPING @@ -1182,22 +1197,28 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) return -EMSGSIZE; clockval = jiffies_to_clock_t(br->multicast_last_member_interval); - if (nla_put_u64(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_LAST_MEMBER_INTVL, clockval, + IFLA_BR_PAD)) return -EMSGSIZE; clockval = jiffies_to_clock_t(br->multicast_membership_interval); - if (nla_put_u64(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_MEMBERSHIP_INTVL, clockval, + IFLA_BR_PAD)) return -EMSGSIZE; clockval = jiffies_to_clock_t(br->multicast_querier_interval); - if (nla_put_u64(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERIER_INTVL, clockval, + IFLA_BR_PAD)) return -EMSGSIZE; clockval = jiffies_to_clock_t(br->multicast_query_interval); - if (nla_put_u64(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_INTVL, clockval, + IFLA_BR_PAD)) return -EMSGSIZE; clockval = jiffies_to_clock_t(br->multicast_query_response_interval); - if (nla_put_u64(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL, clockval, + IFLA_BR_PAD)) return -EMSGSIZE; clockval = jiffies_to_clock_t(br->multicast_startup_query_interval); - if (nla_put_u64(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval)) + if (nla_put_u64_64bit(skb, IFLA_BR_MCAST_STARTUP_QUERY_INTVL, clockval, + IFLA_BR_PAD)) return -EMSGSIZE; #endif #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) @@ -1213,6 +1234,69 @@ static int br_fill_info(struct sk_buff *skb, const struct net_device *brdev) return 0; } +static size_t br_get_linkxstats_size(const struct net_device *dev) +{ + struct net_bridge *br = netdev_priv(dev); + struct net_bridge_vlan_group *vg; + struct net_bridge_vlan *v; + int numvls = 0; + + vg = br_vlan_group(br); + if (!vg) + return 0; + + /* we need to count all, even placeholder entries */ + list_for_each_entry(v, &vg->vlan_list, vlist) + numvls++; + + /* account for the vlans and the link xstats type nest attribute */ + return numvls * nla_total_size(sizeof(struct bridge_vlan_xstats)) + + nla_total_size(0); +} + +static int br_fill_linkxstats(struct sk_buff *skb, const struct net_device *dev, + int *prividx) +{ + struct net_bridge *br = netdev_priv(dev); + struct net_bridge_vlan_group *vg; + struct net_bridge_vlan *v; + struct nlattr *nest; + int vl_idx = 0; + + vg = br_vlan_group(br); + if (!vg) + goto out; + nest = nla_nest_start(skb, LINK_XSTATS_TYPE_BRIDGE); + if (!nest) + return -EMSGSIZE; + list_for_each_entry(v, &vg->vlan_list, vlist) { + struct bridge_vlan_xstats vxi; + struct br_vlan_stats stats; + + if (vl_idx++ < *prividx) + continue; + memset(&vxi, 0, sizeof(vxi)); + vxi.vid = v->vid; + br_vlan_get_stats(v, &stats); + vxi.rx_bytes = stats.rx_bytes; + vxi.rx_packets = stats.rx_packets; + vxi.tx_bytes = stats.tx_bytes; + vxi.tx_packets = stats.tx_packets; + + if (nla_put(skb, BRIDGE_XSTATS_VLAN, sizeof(vxi), &vxi)) + goto nla_put_failure; + } + nla_nest_end(skb, nest); + *prividx = 0; +out: + return 0; + +nla_put_failure: + nla_nest_end(skb, nest); + *prividx = vl_idx; + + return -EMSGSIZE; +} static struct rtnl_af_ops br_af_ops __read_mostly = { .family = AF_BRIDGE, @@ -1231,6 +1315,8 @@ struct rtnl_link_ops br_link_ops __read_mostly = { .dellink = br_dev_delete, .get_size = br_get_size, .fill_info = br_fill_info, + .fill_linkxstats = br_fill_linkxstats, + .get_linkxstats_size = br_get_linkxstats_size, .slave_maxtype = IFLA_BRPORT_MAX, .slave_policy = br_port_policy, |