diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/amt.h | 104 |
1 files changed, 103 insertions, 1 deletions
diff --git a/include/net/amt.h b/include/net/amt.h index 31b0cf17044b..95b142ec1183 100644 --- a/include/net/amt.h +++ b/include/net/amt.h @@ -21,6 +21,46 @@ enum amt_msg_type { #define AMT_MSG_MAX (__AMT_MSG_MAX - 1) +enum amt_ops { + /* A*B */ + AMT_OPS_INT, + /* A+B */ + AMT_OPS_UNI, + /* A-B */ + AMT_OPS_SUB, + /* B-A */ + AMT_OPS_SUB_REV, + __AMT_OPS_MAX, +}; + +#define AMT_OPS_MAX (__AMT_OPS_MAX - 1) + +enum amt_filter { + AMT_FILTER_FWD, + AMT_FILTER_D_FWD, + AMT_FILTER_FWD_NEW, + AMT_FILTER_D_FWD_NEW, + AMT_FILTER_ALL, + AMT_FILTER_NONE_NEW, + AMT_FILTER_BOTH, + AMT_FILTER_BOTH_NEW, + __AMT_FILTER_MAX, +}; + +#define AMT_FILTER_MAX (__AMT_FILTER_MAX - 1) + +enum amt_act { + AMT_ACT_GMI, + AMT_ACT_GMI_ZERO, + AMT_ACT_GT, + AMT_ACT_STATUS_FWD_NEW, + AMT_ACT_STATUS_D_FWD_NEW, + AMT_ACT_STATUS_NONE_NEW, + __AMT_ACT_MAX, +}; + +#define AMT_ACT_MAX (__AMT_ACT_MAX - 1) + enum amt_status { AMT_STATUS_INIT, AMT_STATUS_SENT_DISCOVERY, @@ -152,6 +192,17 @@ struct amt_header_mcast_data { #endif } __packed; +struct amt_headers { + union { + struct amt_header_discovery discovery; + struct amt_header_advertisement advertisement; + struct amt_header_request request; + struct amt_header_membership_query query; + struct amt_header_membership_update update; + struct amt_header_mcast_data data; + }; +} __packed; + struct amt_gw_headers { union { struct amt_header_discovery discovery; @@ -191,6 +242,56 @@ struct amt_tunnel_list { struct hlist_head groups[]; }; +union amt_addr { + __be32 ip4; +#if IS_ENABLED(CONFIG_IPV6) + struct in6_addr ip6; +#endif +}; + +/* RFC 3810 + * + * When the router is in EXCLUDE mode, the router state is represented + * by the notation EXCLUDE (X,Y), where X is called the "Requested List" + * and Y is called the "Exclude List". All sources, except those from + * the Exclude List, will be forwarded by the router + */ +enum amt_source_status { + AMT_SOURCE_STATUS_NONE, + /* Node of Requested List */ + AMT_SOURCE_STATUS_FWD, + /* Node of Exclude List */ + AMT_SOURCE_STATUS_D_FWD, +}; + +/* protected by gnode->lock */ +struct amt_source_node { + struct hlist_node node; + struct amt_group_node *gnode; + struct delayed_work source_timer; + union amt_addr source_addr; + enum amt_source_status status; +#define AMT_SOURCE_OLD 0 +#define AMT_SOURCE_NEW 1 + u8 flags; + struct rcu_head rcu; +}; + +/* Protected by amt_tunnel_list->lock */ +struct amt_group_node { + struct amt_dev *amt; + union amt_addr group_addr; + union amt_addr host_addr; + bool v6; + u8 filter_mode; + u32 nr_sources; + struct amt_tunnel_list *tunnel_list; + struct hlist_node node; + struct delayed_work group_timer; + struct rcu_head rcu; + struct hlist_head sources[]; +}; + struct amt_dev { struct net_device *dev; struct net_device *stream_dev; @@ -246,8 +347,9 @@ struct amt_dev { reserved:16; }; -#define AMT_TOS 0xc0 +#define AMT_TOS 0xc0 #define AMT_IPHDR_OPTS 4 +#define AMT_GC_INTERVAL (30 * 1000) #define AMT_MAX_GROUP 32 #define AMT_MAX_SOURCE 128 #define AMT_HSIZE_SHIFT 8 |