--- zzzz-none-000/linux-4.9.231/net/bridge/br_netlink.c 2020-07-22 07:10:54.000000000 +0000 +++ falcon-5590-729/linux-4.9.231/net/bridge/br_netlink.c 2022-03-30 12:03:35.000000000 +0000 @@ -16,6 +16,7 @@ #include #include #include +#include #include #include "br_private.h" @@ -116,32 +117,35 @@ static inline size_t br_port_info_size(void) { - return nla_total_size(1) /* IFLA_BRPORT_STATE */ - + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */ - + nla_total_size(4) /* IFLA_BRPORT_COST */ - + nla_total_size(1) /* IFLA_BRPORT_MODE */ - + nla_total_size(1) /* IFLA_BRPORT_GUARD */ - + nla_total_size(1) /* IFLA_BRPORT_PROTECT */ - + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ - + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ - + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ - + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ - + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ - + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */ - + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */ - + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */ - + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_COST */ - + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_ID */ - + 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_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 */ + return nla_total_size(1) /* IFLA_BRPORT_STATE */ + + nla_total_size(2) /* IFLA_BRPORT_PRIORITY */ + + nla_total_size(4) /* IFLA_BRPORT_COST */ + + nla_total_size(1) /* IFLA_BRPORT_MODE */ + + nla_total_size(1) /* IFLA_BRPORT_GUARD */ + + nla_total_size(1) /* IFLA_BRPORT_PROTECT */ + + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ + + nla_total_size(1) /* IFLA_BRPORT_MCAST_TO_UCAST */ + + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ + + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ + + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ + + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ + + nla_total_size(1) /* IFLA_BRPORT_ISOLATED */ + + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_ROOT_ID */ + + nla_total_size(sizeof(struct ifla_bridge_id)) /* IFLA_BRPORT_BRIDGE_ID */ + + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_PORT */ + + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_DESIGNATED_COST */ + + nla_total_size(sizeof(u16)) /* IFLA_BRPORT_ID */ + + 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_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 */ + + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */ #endif - + 0; + + nla_total_size(4) /* IFLA_BRPORT_LEARNING_LIMIT */ + + 0; } static inline size_t br_nlmsg_size(struct net_device *dev, u32 filter_mask) @@ -173,6 +177,8 @@ !!(p->flags & BR_ROOT_BLOCK)) || nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, !!(p->flags & BR_MULTICAST_FAST_LEAVE)) || + nla_put_u8(skb, IFLA_BRPORT_MCAST_TO_UCAST, + !!(p->flags & BR_MULTICAST_TO_UNICAST)) || nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) || nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, !!(p->flags & BR_FLOOD)) || @@ -191,7 +197,9 @@ nla_put_u16(skb, IFLA_BRPORT_NO, p->port_no) || nla_put_u8(skb, IFLA_BRPORT_TOPOLOGY_CHANGE_ACK, p->topology_change_ack) || - nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending)) + nla_put_u8(skb, IFLA_BRPORT_CONFIG_PENDING, p->config_pending) || + nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED)) || + nla_put_u32(skb, IFLA_BRPORT_LEARNING_LIMIT, p->learning_limit)) return -EMSGSIZE; timerval = br_timer_value(&p->message_age_timer); @@ -586,6 +594,9 @@ [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, [IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 }, + [IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NLA_U8 }, + [IFLA_BRPORT_ISOLATED] = { .type = NLA_U8 }, + [IFLA_BRPORT_LEARNING_LIMIT] = { .type = NLA_S32 }, }; /* Change the state of the port and notify spanning tree */ @@ -610,17 +621,59 @@ return 0; } -/* Set/clear or port flags based on attribute */ -static void br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], - int attrtype, unsigned long mask) +/* Change the state of the port and notify spanning tree */ +static int br_set_learning_limit(struct net_bridge_port *p, int learning_limit) { - if (tb[attrtype]) { - u8 flag = nla_get_u8(tb[attrtype]); - if (flag) - p->flags |= mask; - else - p->flags &= ~mask; + struct switchdev_attr attr = { + .orig_dev = p->dev, + .id = SWITCHDEV_ATTR_ID_PORT_LEARNING_LIMIT, + .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP, + .u.learning_limit = learning_limit, + }; + int err; + + if (learning_limit < BRPORT_LEARNING_LIMIT_UNLIMITED) { + br_warn(p->br, "invalid value (%i) for mac table learning on port %u(%s)\n", + learning_limit, (unsigned int)p->port_no, p->dev->name); + return -EINVAL; } + + p->learning_limit = learning_limit; + + err = switchdev_port_attr_set(p->dev, &attr); + if (err && err != -EOPNOTSUPP) + br_warn(p->br, "error setting offload mac table learning on port %u(%s)\n", + (unsigned int)p->port_no, p->dev->name); + else + br_debug(p->br, "mac learning limit set to %i on port %u(%s)\n", + p->learning_limit, (unsigned int)p->port_no, + p->dev->name); + + br_configuration_update(p->br); + return 0; +} + +/* Set/clear or port flags based on attribute */ +static int br_set_port_flag(struct net_bridge_port *p, struct nlattr *tb[], + int attrtype, unsigned long mask) +{ + unsigned long flags; + int err; + + if (!tb[attrtype]) + return 0; + + if (nla_get_u8(tb[attrtype])) + flags = p->flags | mask; + else + flags = p->flags & ~mask; + + err = br_switchdev_set_port_flag(p, flags, mask); + if (err) + return err; + + p->flags = flags; + return 0; } /* Process bridge protocol info on port */ @@ -629,15 +682,49 @@ int err; unsigned long old_flags = p->flags; - br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); - br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); - br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); - br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); - br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); - br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); - br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); - br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); - br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); + err = br_set_port_flag(p, tb, IFLA_BRPORT_MODE, BR_HAIRPIN_MODE); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_FLOOD, BR_MCAST_FLOOD); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_MCAST_TO_UCAST, BR_MULTICAST_TO_UNICAST); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI); + if (err) + return err; + + err = br_set_port_flag(p, tb, IFLA_BRPORT_ISOLATED, BR_ISOLATED); + if (err) + return err; if (tb[IFLA_BRPORT_COST]) { err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST])); @@ -669,6 +756,12 @@ return err; } #endif + if (tb[IFLA_BRPORT_LEARNING_LIMIT]) { + err = br_set_learning_limit(p, nla_get_u32(tb[IFLA_BRPORT_LEARNING_LIMIT])); + if (err) + return err; + } + br_port_flags_change(p, old_flags ^ p->flags); return 0; }