diff options
Diffstat (limited to 'include/linux/mroute_base.h')
| -rw-r--r-- | include/linux/mroute_base.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/mroute_base.h b/include/linux/mroute_base.h index 0de651e15f27..1cc944a14df5 100644 --- a/include/linux/mroute_base.h +++ b/include/linux/mroute_base.h @@ -2,6 +2,9 @@ #define __LINUX_MROUTE_BASE_H #include <linux/netdevice.h> +#include <linux/rhashtable.h> +#include <net/net_namespace.h> +#include <net/sock.h> /** * struct vif_device - interface representor for multicast routing @@ -32,6 +35,49 @@ struct vif_device { __be32 local, remote; }; +#ifndef MAXVIFS +/* This one is nasty; value is defined in uapi using different symbols for + * mroute and morute6 but both map into same 32. + */ +#define MAXVIFS 32 +#endif + +#define VIF_EXISTS(_mrt, _idx) (!!((_mrt)->vif_table[_idx].dev)) + +/** + * struct mr_table - a multicast routing table + * @list: entry within a list of multicast routing tables + * @net: net where this table belongs + * @id: identifier of the table + * @mroute_sk: socket associated with the table + * @ipmr_expire_timer: timer for handling unresolved routes + * @mfc_unres_queue: list of unresolved MFC entries + * @vif_table: array containing all possible vifs + * @mfc_hash: Hash table of all resolved routes for easy lookup + * @mfc_cache_list: list of resovled routes for possible traversal + * @maxvif: Identifier of highest value vif currently in use + * @cache_resolve_queue_len: current size of unresolved queue + * @mroute_do_assert: Whether to inform userspace on wrong ingress + * @mroute_do_pim: Whether to receive IGMP PIMv1 + * @mroute_reg_vif_num: PIM-device vif index + */ +struct mr_table { + struct list_head list; + possible_net_t net; + u32 id; + struct sock __rcu *mroute_sk; + struct timer_list ipmr_expire_timer; + struct list_head mfc_unres_queue; + struct vif_device vif_table[MAXVIFS]; + struct rhltable mfc_hash; + struct list_head mfc_cache_list; + int maxvif; + atomic_t cache_resolve_queue_len; + bool mroute_do_assert; + bool mroute_do_pim; + int mroute_reg_vif_num; +}; + #ifdef CONFIG_IP_MROUTE_COMMON void vif_device_init(struct vif_device *v, struct net_device *dev, |