^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) 2011-2020 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) * Antonio Quartulli
^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_DISTRIBUTED_ARP_TABLE_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define _NET_BATMAN_ADV_DISTRIBUTED_ARP_TABLE_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/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/netlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <uapi/linux/batadv_packet.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "originator.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #ifdef CONFIG_BATMAN_ADV_DAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* BATADV_DAT_ADDR_MAX - maximum address value in the DHT space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define BATADV_DAT_ADDR_MAX ((batadv_dat_addr_t)~(batadv_dat_addr_t)0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) void batadv_dat_status_update(struct net_device *net_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct sk_buff *skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct sk_buff *skb, int hdr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct sk_buff *skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct sk_buff *skb, int hdr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) void batadv_dat_snoop_outgoing_dhcp_ack(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) __be16 proto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) unsigned short vid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) void batadv_dat_snoop_incoming_dhcp_ack(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct sk_buff *skb, int hdr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) bool batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct batadv_forw_packet *forw_packet);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * batadv_dat_init_orig_node_addr() - assign a DAT address to the orig_node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * @orig_node: the node to assign the DAT address to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) batadv_dat_init_orig_node_addr(struct batadv_orig_node *orig_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) u32 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) addr = batadv_choose_orig(orig_node->orig, BATADV_DAT_ADDR_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) orig_node->dat_addr = (batadv_dat_addr_t)addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * batadv_dat_init_own_addr() - assign a DAT address to the node itself
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * @bat_priv: the bat priv with all the soft interface information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * @primary_if: a pointer to the primary interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) batadv_dat_init_own_addr(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct batadv_hard_iface *primary_if)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) u32 addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) addr = batadv_choose_orig(primary_if->net_dev->dev_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) BATADV_DAT_ADDR_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) bat_priv->dat.addr = (batadv_dat_addr_t)addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int batadv_dat_init(struct batadv_priv *bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) void batadv_dat_free(struct batadv_priv *bat_priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int batadv_dat_cache_seq_print_text(struct seq_file *seq, void *offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int batadv_dat_cache_dump(struct sk_buff *msg, struct netlink_callback *cb);
^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) * batadv_dat_inc_counter() - increment the correct DAT packet counter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * @bat_priv: the bat priv with all the soft interface information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * @subtype: the 4addr subtype of the packet to be counted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * Updates the ethtool statistics for the received packet if it is a DAT subtype
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) static inline void batadv_dat_inc_counter(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) u8 subtype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) switch (subtype) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) case BATADV_P_DAT_DHT_GET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) batadv_inc_counter(bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) BATADV_CNT_DAT_GET_RX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) case BATADV_P_DAT_DHT_PUT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) batadv_inc_counter(bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) BATADV_CNT_DAT_PUT_RX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static inline void batadv_dat_status_update(struct net_device *net_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct sk_buff *skb, int hdr_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct sk_buff *skb, int hdr_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) batadv_dat_snoop_outgoing_dhcp_ack(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct sk_buff *skb, __be16 proto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) unsigned short vid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) batadv_dat_snoop_incoming_dhcp_ack(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) struct sk_buff *skb, int hdr_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct batadv_forw_packet *forw_packet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) batadv_dat_init_orig_node_addr(struct batadv_orig_node *orig_node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static inline void batadv_dat_init_own_addr(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) struct batadv_hard_iface *iface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) static inline int batadv_dat_init(struct batadv_priv *bat_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static inline void batadv_dat_free(struct batadv_priv *bat_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) batadv_dat_cache_dump(struct sk_buff *msg, struct netlink_callback *cb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) static inline void batadv_dat_inc_counter(struct batadv_priv *bat_priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) u8 subtype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) #endif /* CONFIG_BATMAN_ADV_DAT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) #endif /* _NET_BATMAN_ADV_DISTRIBUTED_ARP_TABLE_H_ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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