^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (C) 2014-2020 B.A.T.M.A.N. contributors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Linus Lüssing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef _NET_BATMAN_ADV_MULTICAST_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define _NET_BATMAN_ADV_MULTICAST_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "main.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * enum batadv_forw_mode - the way a packet should be forwarded as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) enum batadv_forw_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * @BATADV_FORW_ALL: forward the packet to all nodes (currently via
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * classic flooding)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) BATADV_FORW_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * @BATADV_FORW_SOME: forward the packet to some nodes (currently via
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * a multicast-to-unicast conversion and the BATMAN unicast routing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * protocol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) BATADV_FORW_SOME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * @BATADV_FORW_SINGLE: forward the packet to a single node (currently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * via the BATMAN unicast routing protocol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) BATADV_FORW_SINGLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /** @BATADV_FORW_NONE: don't forward, drop it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) BATADV_FORW_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #ifdef CONFIG_BATMAN_ADV_MCAST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) enum batadv_forw_mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct batadv_orig_node **mcast_single_orig,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int *is_routable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) unsigned short vid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct batadv_orig_node *orig_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) unsigned short vid, int is_routable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) void batadv_mcast_init(struct batadv_priv *bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int batadv_mcast_mesh_info_put(struct sk_buff *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct batadv_priv *bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) void batadv_mcast_free(struct batadv_priv *bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static inline enum batadv_forw_mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct batadv_orig_node **mcast_single_orig,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int *is_routable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return BATADV_FORW_ALL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) unsigned short vid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct batadv_orig_node *orig_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return NET_XMIT_DROP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) unsigned short vid, int is_routable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) return NET_XMIT_DROP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static inline int batadv_mcast_flags_dump(struct sk_buff *msg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct netlink_callback *cb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #endif /* CONFIG_BATMAN_ADV_MCAST */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags