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7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
cfa55c6d | 2 | /* Copyright (C) B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
3 | * |
4 | * Marek Lindner, Simon Wunderlich | |
c6c8fea2 SE |
5 | */ |
6 | ||
7 | #ifndef _NET_BATMAN_ADV_ORIGINATOR_H_ | |
8 | #define _NET_BATMAN_ADV_ORIGINATOR_H_ | |
9 | ||
1e2c2a4f SE |
10 | #include "main.h" |
11 | ||
1e2c2a4f SE |
12 | #include <linux/compiler.h> |
13 | #include <linux/if_ether.h> | |
14 | #include <linux/jhash.h> | |
6340dcbd | 15 | #include <linux/kref.h> |
68a600de | 16 | #include <linux/netlink.h> |
68a600de | 17 | #include <linux/skbuff.h> |
1e2c2a4f SE |
18 | #include <linux/types.h> |
19 | ||
4b426b10 | 20 | bool batadv_compare_orig(const struct hlist_node *node, const void *data2); |
56303d34 SE |
21 | int batadv_originator_init(struct batadv_priv *bat_priv); |
22 | void batadv_originator_free(struct batadv_priv *bat_priv); | |
23 | void batadv_purge_orig_ref(struct batadv_priv *bat_priv); | |
6340dcbd | 24 | void batadv_orig_node_release(struct kref *ref); |
bbad0a5e | 25 | struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv, |
6b5e971a | 26 | const u8 *addr); |
cef63419 ML |
27 | struct batadv_hardif_neigh_node * |
28 | batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface, | |
29 | const u8 *neigh_addr); | |
6340dcbd | 30 | void batadv_hardif_neigh_release(struct kref *ref); |
56303d34 | 31 | struct batadv_neigh_node * |
6f0a6b5e ML |
32 | batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node, |
33 | struct batadv_hard_iface *hard_iface, | |
34 | const u8 *neigh_addr); | |
6340dcbd | 35 | void batadv_neigh_node_release(struct kref *ref); |
56303d34 | 36 | struct batadv_neigh_node * |
7351a482 SW |
37 | batadv_orig_router_get(struct batadv_orig_node *orig_node, |
38 | const struct batadv_hard_iface *if_outgoing); | |
89652331 SW |
39 | struct batadv_neigh_ifinfo * |
40 | batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh, | |
41 | struct batadv_hard_iface *if_outgoing); | |
42 | struct batadv_neigh_ifinfo * | |
43 | batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh, | |
44 | struct batadv_hard_iface *if_outgoing); | |
6340dcbd | 45 | void batadv_neigh_ifinfo_release(struct kref *ref); |
7351a482 | 46 | |
85cf8c85 | 47 | int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb); |
7587405a | 48 | |
7351a482 SW |
49 | struct batadv_orig_ifinfo * |
50 | batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node, | |
51 | struct batadv_hard_iface *if_outgoing); | |
52 | struct batadv_orig_ifinfo * | |
53 | batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node, | |
54 | struct batadv_hard_iface *if_outgoing); | |
6340dcbd | 55 | void batadv_orig_ifinfo_release(struct kref *ref); |
7351a482 | 56 | |
85cf8c85 | 57 | int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb); |
7ea7b4a1 AQ |
58 | struct batadv_orig_node_vlan * |
59 | batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node, | |
60 | unsigned short vid); | |
61 | struct batadv_orig_node_vlan * | |
62 | batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node, | |
63 | unsigned short vid); | |
6340dcbd | 64 | void batadv_orig_node_vlan_release(struct kref *ref); |
c6c8fea2 | 65 | |
e57acf8e SE |
66 | /** |
67 | * batadv_choose_orig() - Return the index of the orig entry in the hash table | |
68 | * @data: mac address of the originator node | |
69 | * @size: the size of the hash table | |
70 | * | |
71 | * Return: the hash index where the object represented by @data should be | |
72 | * stored at. | |
9cfc7bd6 | 73 | */ |
6b5e971a | 74 | static inline u32 batadv_choose_orig(const void *data, u32 size) |
c6c8fea2 | 75 | { |
6b5e971a | 76 | u32 hash = 0; |
c6c8fea2 | 77 | |
36fd61cb | 78 | hash = jhash(data, ETH_ALEN, hash); |
c6c8fea2 SE |
79 | return hash % size; |
80 | } | |
81 | ||
3326afe6 DV |
82 | struct batadv_orig_node * |
83 | batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data); | |
7aadf889 | 84 | |
6340dcbd SE |
85 | /** |
86 | * batadv_orig_node_vlan_put() - decrement the refcounter and possibly release | |
87 | * the originator-vlan object | |
88 | * @orig_vlan: the originator-vlan object to release | |
89 | */ | |
90 | static inline void | |
91 | batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan) | |
92 | { | |
93 | if (!orig_vlan) | |
94 | return; | |
95 | ||
96 | kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release); | |
97 | } | |
98 | ||
99 | /** | |
100 | * batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release | |
101 | * the neigh_ifinfo | |
102 | * @neigh_ifinfo: the neigh_ifinfo object to release | |
103 | */ | |
104 | static inline void | |
105 | batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo) | |
106 | { | |
107 | if (!neigh_ifinfo) | |
108 | return; | |
109 | ||
110 | kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release); | |
111 | } | |
112 | ||
113 | /** | |
114 | * batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter | |
115 | * and possibly release it | |
116 | * @hardif_neigh: hardif neigh neighbor to free | |
117 | */ | |
118 | static inline void | |
119 | batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh) | |
120 | { | |
121 | if (!hardif_neigh) | |
122 | return; | |
123 | ||
124 | kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release); | |
125 | } | |
126 | ||
127 | /** | |
128 | * batadv_neigh_node_put() - decrement the neighbors refcounter and possibly | |
129 | * release it | |
130 | * @neigh_node: neigh neighbor to free | |
131 | */ | |
132 | static inline void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node) | |
133 | { | |
134 | if (!neigh_node) | |
135 | return; | |
136 | ||
137 | kref_put(&neigh_node->refcount, batadv_neigh_node_release); | |
138 | } | |
139 | ||
140 | /** | |
141 | * batadv_orig_ifinfo_put() - decrement the refcounter and possibly release | |
142 | * the orig_ifinfo | |
143 | * @orig_ifinfo: the orig_ifinfo object to release | |
144 | */ | |
145 | static inline void | |
146 | batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo) | |
147 | { | |
148 | if (!orig_ifinfo) | |
149 | return; | |
150 | ||
151 | kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release); | |
152 | } | |
153 | ||
154 | /** | |
155 | * batadv_orig_node_put() - decrement the orig node refcounter and possibly | |
156 | * release it | |
157 | * @orig_node: the orig node to free | |
158 | */ | |
159 | static inline void batadv_orig_node_put(struct batadv_orig_node *orig_node) | |
160 | { | |
161 | if (!orig_node) | |
162 | return; | |
163 | ||
164 | kref_put(&orig_node->refcount, batadv_orig_node_release); | |
165 | } | |
166 | ||
c6c8fea2 | 167 | #endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */ |