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93 lines
2.4 KiB
93 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later |
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* Copyright (c) 2020, Nikolay Aleksandrov <[email protected]> |
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*/ |
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#ifndef _BR_PRIVATE_MCAST_EHT_H_ |
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#define _BR_PRIVATE_MCAST_EHT_H_ |
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#define BR_MCAST_DEFAULT_EHT_HOSTS_LIMIT 512 |
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union net_bridge_eht_addr { |
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__be32 ip4; |
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#if IS_ENABLED(CONFIG_IPV6) |
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struct in6_addr ip6; |
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#endif |
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}; |
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/* single host's list of set entries and filter_mode */ |
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struct net_bridge_group_eht_host { |
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struct rb_node rb_node; |
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union net_bridge_eht_addr h_addr; |
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struct hlist_head set_entries; |
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unsigned int num_entries; |
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unsigned char filter_mode; |
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struct net_bridge_port_group *pg; |
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}; |
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/* (host, src entry) added to a per-src set and host's list */ |
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struct net_bridge_group_eht_set_entry { |
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struct rb_node rb_node; |
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struct hlist_node host_list; |
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union net_bridge_eht_addr h_addr; |
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struct timer_list timer; |
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struct net_bridge *br; |
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struct net_bridge_group_eht_set *eht_set; |
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struct net_bridge_group_eht_host *h_parent; |
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struct net_bridge_mcast_gc mcast_gc; |
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}; |
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/* per-src set */ |
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struct net_bridge_group_eht_set { |
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struct rb_node rb_node; |
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union net_bridge_eht_addr src_addr; |
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struct rb_root entry_tree; |
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struct timer_list timer; |
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struct net_bridge_port_group *pg; |
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struct net_bridge *br; |
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struct net_bridge_mcast_gc mcast_gc; |
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}; |
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#ifdef CONFIG_BRIDGE_IGMP_SNOOPING |
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void br_multicast_eht_clean_sets(struct net_bridge_port_group *pg); |
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bool br_multicast_eht_handle(struct net_bridge_port_group *pg, |
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void *h_addr, |
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void *srcs, |
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u32 nsrcs, |
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size_t addr_size, |
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int grec_type); |
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int br_multicast_eht_set_hosts_limit(struct net_bridge_port *p, |
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u32 eht_hosts_limit); |
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static inline bool |
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br_multicast_eht_should_del_pg(const struct net_bridge_port_group *pg) |
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{ |
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return !!((pg->key.port->flags & BR_MULTICAST_FAST_LEAVE) && |
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RB_EMPTY_ROOT(&pg->eht_host_tree)); |
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} |
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static inline bool |
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br_multicast_eht_hosts_over_limit(const struct net_bridge_port_group *pg) |
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{ |
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const struct net_bridge_port *p = pg->key.port; |
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return !!(p->multicast_eht_hosts_cnt >= p->multicast_eht_hosts_limit); |
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} |
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static inline void br_multicast_eht_hosts_inc(struct net_bridge_port_group *pg) |
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{ |
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struct net_bridge_port *p = pg->key.port; |
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p->multicast_eht_hosts_cnt++; |
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} |
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static inline void br_multicast_eht_hosts_dec(struct net_bridge_port_group *pg) |
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{ |
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struct net_bridge_port *p = pg->key.port; |
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p->multicast_eht_hosts_cnt--; |
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} |
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#endif /* CONFIG_BRIDGE_IGMP_SNOOPING */ |
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#endif /* _BR_PRIVATE_MCAST_EHT_H_ */
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