The following commit has been merged in the merge/master branch: commit 6846ad869ff55346cb572e90fb5fb9440c60061f Merge: 5c115891259452212a72b6b7380df767a5dfda38 2dd1d9f06ac1208b1921aa90d479c3940bc70b4f Author: Marek Lindner mareklindner@neomailbox.ch Date: Sun Sep 6 16:25:32 2015 +0800

Merge branch 'maint' into next

diff --combined net/batman-adv/routing.c index 8d990b0,96b5daa..3207667 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@@ -145,7 -145,7 +145,7 @@@ out * 0 if the packet is to be accepted * 1 if the packet is to be ignored. */ -int batadv_window_protected(struct batadv_priv *bat_priv, int32_t seq_num_diff, +int batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff, unsigned long *last_reset) { if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE || @@@ -653,19 -653,19 +653,19 @@@ out static bool batadv_reroute_unicast_packet(struct batadv_priv *bat_priv, struct batadv_unicast_packet *unicast_packet, - uint8_t *dst_addr, unsigned short vid) + u8 *dst_addr, unsigned short vid) { struct batadv_orig_node *orig_node = NULL; struct batadv_hard_iface *primary_if = NULL; bool ret = false; - uint8_t *orig_addr, orig_ttvn; + u8 *orig_addr, orig_ttvn;

if (batadv_is_my_client(bat_priv, dst_addr, vid)) { primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; orig_addr = primary_if->net_dev->dev_addr; - orig_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn); + orig_ttvn = (u8)atomic_read(&bat_priv->tt.vn); } else { orig_node = batadv_transtable_search(bat_priv, NULL, dst_addr, vid); @@@ -676,7 -676,7 +676,7 @@@ goto out;

orig_addr = orig_node->orig; - orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn); + orig_ttvn = (u8)atomic_read(&orig_node->last_ttvn); }

/* update the packet header */ @@@ -698,7 -698,7 +698,7 @@@ static int batadv_check_unicast_ttvn(st struct batadv_unicast_packet *unicast_packet; struct batadv_hard_iface *primary_if; struct batadv_orig_node *orig_node; - uint8_t curr_ttvn, old_ttvn; + u8 curr_ttvn, old_ttvn; struct ethhdr *ethhdr; unsigned short vid; int is_old_ttvn; @@@ -740,7 -740,7 +740,7 @@@ * value is used later to check if the node which sent (or re-routed * last time) the packet had an updated information or not */ - curr_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn); + curr_ttvn = (u8)atomic_read(&bat_priv->tt.vn); if (!batadv_is_my_mac(bat_priv, unicast_packet->dest)) { orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->dest); @@@ -751,7 -751,7 +751,7 @@@ if (!orig_node) return 0;

- curr_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn); + curr_ttvn = (u8)atomic_read(&orig_node->last_ttvn); batadv_orig_node_free_ref(orig_node); }

@@@ -833,9 -833,10 +833,10 @@@ int batadv_recv_unicast_packet(struct s struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_unicast_packet *unicast_packet; struct batadv_unicast_4addr_packet *unicast_4addr_packet; - uint8_t *orig_addr; + u8 *orig_addr; struct batadv_orig_node *orig_node = NULL; int check, hdr_size = sizeof(*unicast_packet); + enum batadv_subtype subtype; bool is4addr;

unicast_packet = (struct batadv_unicast_packet *)skb->data; @@@ -863,10 -864,20 +864,20 @@@ /* packet for me */ if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) { if (is4addr) { - batadv_dat_inc_counter(bat_priv, - unicast_4addr_packet->subtype); - orig_addr = unicast_4addr_packet->src; - orig_node = batadv_orig_hash_find(bat_priv, orig_addr); + subtype = unicast_4addr_packet->subtype; + batadv_dat_inc_counter(bat_priv, subtype); + + /* Only payload data should be considered for speedy + * join. For example, DAT also uses unicast 4addr + * types, but those packets should not be considered + * for speedy join, since the clients do not actually + * reside at the sending originator. + */ + if (subtype == BATADV_P_DATA) { + orig_addr = unicast_4addr_packet->src; + orig_node = batadv_orig_hash_find(bat_priv, + orig_addr); + } }

if (batadv_dat_snoop_incoming_arp_request(bat_priv, skb, @@@ -904,7 -915,7 +915,7 @@@ int batadv_recv_unicast_tvlv(struct sk_ struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_unicast_tvlv_packet *unicast_tvlv_packet; unsigned char *tvlv_buff; - uint16_t tvlv_buff_len; + u16 tvlv_buff_len; int hdr_size = sizeof(*unicast_tvlv_packet); int ret = NET_RX_DROP;

@@@ -1007,8 -1018,8 +1018,8 @@@ int batadv_recv_bcast_packet(struct sk_ struct ethhdr *ethhdr; int hdr_size = sizeof(*bcast_packet); int ret = NET_RX_DROP; - int32_t seq_diff; - uint32_t seqno; + s32 seq_diff; + u32 seqno;

/* drop packet if it has not necessary minimum size */ if (unlikely(!pskb_may_pull(skb, hdr_size))) diff --combined net/batman-adv/translation-table.c index 4228b10,7e4657e..dc422be --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@@ -19,7 -19,6 +19,7 @@@ #include "main.h"

#include <linux/atomic.h> +#include <linux/bitops.h> #include <linux/bug.h> #include <linux/byteorder/generic.h> #include <linux/compiler.h> @@@ -56,7 -55,7 +56,7 @@@ static struct lock_class_key batadv_tt_local_hash_lock_class_key; static struct lock_class_key batadv_tt_global_hash_lock_class_key;

-static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client, +static void batadv_send_roam_adv(struct batadv_priv *bat_priv, u8 *client, unsigned short vid, struct batadv_orig_node *orig_node); static void batadv_tt_purge(struct work_struct *work); @@@ -85,10 -84,10 +85,10 @@@ static int batadv_compare_tt(const stru * Returns the hash index where the object represented by 'data' should be * stored at. */ -static inline uint32_t batadv_choose_tt(const void *data, uint32_t size) +static inline u32 batadv_choose_tt(const void *data, u32 size) { struct batadv_tt_common_entry *tt; - uint32_t hash = 0; + u32 hash = 0;

tt = (struct batadv_tt_common_entry *)data; hash = jhash(&tt->addr, ETH_ALEN, hash); @@@ -107,12 -106,12 +107,12 @@@ * found, NULL otherwise. */ static struct batadv_tt_common_entry * -batadv_tt_hash_find(struct batadv_hashtable *hash, const uint8_t *addr, +batadv_tt_hash_find(struct batadv_hashtable *hash, const u8 *addr, unsigned short vid) { struct hlist_head *head; struct batadv_tt_common_entry to_search, *tt, *tt_tmp = NULL; - uint32_t index; + u32 index;

if (!hash) return NULL; @@@ -152,7 -151,7 +152,7 @@@ * found, NULL otherwise. */ static struct batadv_tt_local_entry * -batadv_tt_local_hash_find(struct batadv_priv *bat_priv, const uint8_t *addr, +batadv_tt_local_hash_find(struct batadv_priv *bat_priv, const u8 *addr, unsigned short vid) { struct batadv_tt_common_entry *tt_common_entry; @@@ -177,7 -176,7 +177,7 @@@ * is found, NULL otherwise. */ static struct batadv_tt_global_entry * -batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const uint8_t *addr, +batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr, unsigned short vid) { struct batadv_tt_common_entry *tt_common_entry; @@@ -223,7 -222,7 +223,7 @@@ batadv_tt_global_entry_free_ref(struct * (excluding ourself). */ int batadv_tt_global_hash_count(struct batadv_priv *bat_priv, - const uint8_t *addr, unsigned short vid) + const u8 *addr, unsigned short vid) { struct batadv_tt_global_entry *tt_global_entry; int count; @@@ -315,7 -314,7 +315,7 @@@ static void batadv_tt_global_size_mod(s

if (atomic_add_return(v, &vlan->tt.num_entries) == 0) { spin_lock_bh(&orig_node->vlan_list_lock); - list_del_rcu(&vlan->list); + hlist_del_init_rcu(&vlan->list); spin_unlock_bh(&orig_node->vlan_list_lock); batadv_orig_node_vlan_free_ref(vlan); } @@@ -364,11 -363,11 +364,11 @@@ batadv_tt_orig_list_entry_free_ref(stru */ static void batadv_tt_local_event(struct batadv_priv *bat_priv, struct batadv_tt_local_entry *tt_local_entry, - uint8_t event_flags) + u8 event_flags) { struct batadv_tt_change_node *tt_change_node, *entry, *safe; struct batadv_tt_common_entry *common = &tt_local_entry->common; - uint8_t flags = common->flags | event_flags; + u8 flags = common->flags | event_flags; bool event_removed = false; bool del_op_requested, del_op_entry;

@@@ -448,7 -447,7 +448,7 @@@ static int batadv_tt_len(int changes_nu * * Returns the number of entries. */ -static uint16_t batadv_tt_entries(uint16_t tt_len) +static u16 batadv_tt_entries(u16 tt_len) { return tt_len / batadv_tt_len(1); } @@@ -462,8 -461,7 +462,8 @@@ */ static int batadv_tt_local_table_transmit_size(struct batadv_priv *bat_priv) { - uint16_t num_vlan = 0, tt_local_entries = 0; + u16 num_vlan = 0; + u16 tt_local_entries = 0; struct batadv_softif_vlan *vlan; int hdr_size;

@@@ -526,8 -524,8 +526,8 @@@ static void batadv_tt_global_free(struc * * Returns true if the client was successfully added, false otherwise. */ -bool batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, - unsigned short vid, int ifindex, uint32_t mark) +bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, + unsigned short vid, int ifindex, u32 mark) { struct batadv_priv *bat_priv = netdev_priv(soft_iface); struct batadv_tt_local_entry *tt_local; @@@ -537,10 -535,9 +537,10 @@@ struct hlist_head *head; struct batadv_tt_orig_list_entry *orig_entry; int hash_added, table_size, packet_size_max; - bool ret = false, roamed_back = false; - uint8_t remote_flags; - uint32_t match_mark; + bool ret = false; + bool roamed_back = false; + u8 remote_flags; + u32 match_mark;

if (ifindex != BATADV_NULL_IFINDEX) in_dev = dev_get_by_index(&init_net, ifindex); @@@ -607,7 -604,7 +607,7 @@@ batadv_dbg(BATADV_DBG_TT, bat_priv, "Creating new local tt entry: %pM (vid: %d, ttvn: %d)\n", addr, BATADV_PRINT_VID(vid), - (uint8_t)atomic_read(&bat_priv->tt.vn)); + (u8)atomic_read(&bat_priv->tt.vn));

ether_addr_copy(tt_local->common.addr, addr); /* The local entry has to be marked as NEW to avoid to send it in @@@ -726,22 -723,19 +726,22 @@@ out * * Return the size of the allocated buffer or 0 in case of failure. */ -static uint16_t +static u16 batadv_tt_prepare_tvlv_global_data(struct batadv_orig_node *orig_node, struct batadv_tvlv_tt_data **tt_data, struct batadv_tvlv_tt_change **tt_change, - int32_t *tt_len) + s32 *tt_len) { - uint16_t num_vlan = 0, num_entries = 0, change_offset, tvlv_len; + u16 num_vlan = 0; + u16 num_entries = 0; + u16 change_offset; + u16 tvlv_len; struct batadv_tvlv_tt_vlan_data *tt_vlan; struct batadv_orig_node_vlan *vlan; - uint8_t *tt_change_ptr; + u8 *tt_change_ptr;

rcu_read_lock(); - list_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) { + hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) { num_vlan++; num_entries += atomic_read(&vlan->tt.num_entries); } @@@ -767,14 -761,14 +767,14 @@@ (*tt_data)->num_vlan = htons(num_vlan);

tt_vlan = (struct batadv_tvlv_tt_vlan_data *)(*tt_data + 1); - list_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) { + hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) { tt_vlan->vid = htons(vlan->vid); tt_vlan->crc = htonl(vlan->tt.crc);

tt_vlan++; }

- tt_change_ptr = (uint8_t *)*tt_data + change_offset; + tt_change_ptr = (u8 *)*tt_data + change_offset; *tt_change = (struct batadv_tvlv_tt_change *)tt_change_ptr;

out: @@@ -800,18 -794,16 +800,18 @@@ * * Return the size of the allocated buffer or 0 in case of failure. */ -static uint16_t +static u16 batadv_tt_prepare_tvlv_local_data(struct batadv_priv *bat_priv, struct batadv_tvlv_tt_data **tt_data, struct batadv_tvlv_tt_change **tt_change, - int32_t *tt_len) + s32 *tt_len) { struct batadv_tvlv_tt_vlan_data *tt_vlan; struct batadv_softif_vlan *vlan; - uint16_t num_vlan = 0, num_entries = 0, tvlv_len; - uint8_t *tt_change_ptr; + u16 num_vlan = 0; + u16 num_entries = 0; + u16 tvlv_len; + u8 *tt_change_ptr; int change_offset;

rcu_read_lock(); @@@ -848,7 -840,7 +848,7 @@@ tt_vlan++; }

- tt_change_ptr = (uint8_t *)*tt_data + change_offset; + tt_change_ptr = (u8 *)*tt_data + change_offset; *tt_change = (struct batadv_tvlv_tt_change *)tt_change_ptr;

out: @@@ -867,9 -859,8 +867,9 @@@ static void batadv_tt_tvlv_container_up struct batadv_tvlv_tt_data *tt_data; struct batadv_tvlv_tt_change *tt_change; int tt_diff_len, tt_change_len = 0; - int tt_diff_entries_num = 0, tt_diff_entries_count = 0; - uint16_t tvlv_len; + int tt_diff_entries_num = 0; + int tt_diff_entries_count = 0; + u16 tvlv_len;

tt_diff_entries_num = atomic_read(&bat_priv->tt.local_changes); tt_diff_len = batadv_tt_len(tt_diff_entries_num); @@@ -943,12 -934,12 +943,12 @@@ int batadv_tt_local_seq_print_text(stru struct batadv_softif_vlan *vlan; struct hlist_head *head; unsigned short vid; - uint32_t i; + u32 i; int last_seen_secs; int last_seen_msecs; unsigned long last_seen_jiffies; bool no_purge; - uint16_t np_flag = BATADV_TT_CLIENT_NOPURGE; + u16 np_flag = BATADV_TT_CLIENT_NOPURGE;

primary_if = batadv_seq_print_text_primary_if_get(seq); if (!primary_if) @@@ -956,7 -947,7 +956,7 @@@

seq_printf(seq, "Locally retrieved addresses (from %s) announced via TT (TTVN: %u):\n", - net_dev->name, (uint8_t)atomic_read(&bat_priv->tt.vn)); + net_dev->name, (u8)atomic_read(&bat_priv->tt.vn)); seq_printf(seq, " %-13s %s %-8s %-9s (%-10s)\n", "Client", "VID", "Flags", "Last seen", "CRC");

@@@ -1016,7 -1007,7 +1016,7 @@@ out static void batadv_tt_local_set_pending(struct batadv_priv *bat_priv, struct batadv_tt_local_entry *tt_local_entry, - uint16_t flags, const char *message) + u16 flags, const char *message) { batadv_tt_local_event(bat_priv, tt_local_entry, flags);

@@@ -1042,12 -1033,12 +1042,12 @@@ * * Returns the flags assigned to the local entry before being deleted */ -uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv, - const uint8_t *addr, unsigned short vid, - const char *message, bool roaming) +u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr, + unsigned short vid, const char *message, + bool roaming) { struct batadv_tt_local_entry *tt_local_entry; - uint16_t flags, curr_flags = BATADV_NO_FLAGS; + u16 flags, curr_flags = BATADV_NO_FLAGS; struct batadv_softif_vlan *vlan; void *tt_entry_exists;

@@@ -1150,7 -1141,7 +1150,7 @@@ static void batadv_tt_local_purge(struc struct batadv_hashtable *hash = bat_priv->tt.local_hash; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - uint32_t i; + u32 i;

for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@@ -1171,7 -1162,7 +1171,7 @@@ static void batadv_tt_local_table_free( struct batadv_softif_vlan *vlan; struct hlist_node *node_tmp; struct hlist_head *head; - uint32_t i; + u32 i;

if (!bat_priv->tt.local_hash) return; @@@ -1346,14 -1337,15 +1346,14 @@@ out static bool batadv_tt_global_add(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, const unsigned char *tt_addr, - unsigned short vid, uint16_t flags, - uint8_t ttvn) + unsigned short vid, u16 flags, u8 ttvn) { struct batadv_tt_global_entry *tt_global_entry; struct batadv_tt_local_entry *tt_local_entry; bool ret = false; int hash_added; struct batadv_tt_common_entry *common; - uint16_t local_flags; + u16 local_flags;

/* ignore global entries from backbone nodes */ if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig, vid)) @@@ -1427,9 -1419,15 +1427,15 @@@ }

/* if the client was temporary added before receiving the first - * OGM announcing it, we have to clear the TEMP flag + * OGM announcing it, we have to clear the TEMP flag. Also, + * remove the previous temporary orig node and re-add it + * if required. If the orig entry changed, the new one which + * is a non-temporary entry is preferred. */ - common->flags &= ~BATADV_TT_CLIENT_TEMP; + if (common->flags & BATADV_TT_CLIENT_TEMP) { + batadv_tt_global_del_orig_list(tt_global_entry); + common->flags &= ~BATADV_TT_CLIENT_TEMP; + }

/* the change can carry possible "attribute" flags like the * TT_CLIENT_WIFI, therefore they have to be copied in the @@@ -1550,8 -1548,8 +1556,8 @@@ batadv_tt_global_print_entry(struct bat struct batadv_tt_common_entry *tt_common_entry; struct batadv_orig_node_vlan *vlan; struct hlist_head *head; - uint8_t last_ttvn; - uint16_t flags; + u8 last_ttvn; + u16 flags;

tt_common_entry = &tt_global_entry->common; flags = tt_common_entry->flags; @@@ -1625,7 -1623,7 +1631,7 @@@ int batadv_tt_global_seq_print_text(str struct batadv_tt_global_entry *tt_global; struct batadv_hard_iface *primary_if; struct hlist_head *head; - uint32_t i; + u32 i;

primary_if = batadv_seq_print_text_primary_if_get(seq); if (!primary_if) @@@ -1658,28 -1656,20 +1664,28 @@@ out }

/** - * batadv_tt_global_del_orig_entry - remove and free an orig_entry + * _batadv_tt_global_del_orig_entry - remove and free an orig_entry * @tt_global_entry: the global entry to remove the orig_entry from * @orig_entry: the orig entry to remove and free * * Remove an orig_entry from its list in the given tt_global_entry and * free this orig_entry afterwards. + * + * Caller must hold tt_global_entry->list_lock and ensure orig_entry->list is + * part of a list. */ static void -batadv_tt_global_del_orig_entry(struct batadv_tt_global_entry *tt_global_entry, - struct batadv_tt_orig_list_entry *orig_entry) +_batadv_tt_global_del_orig_entry(struct batadv_tt_global_entry *tt_global_entry, + struct batadv_tt_orig_list_entry *orig_entry) { + lockdep_assert_held(&tt_global_entry->list_lock); + batadv_tt_global_size_dec(orig_entry->orig_node, tt_global_entry->common.vid); atomic_dec(&tt_global_entry->orig_list_count); + /* requires holding tt_global_entry->list_lock and orig_entry->list + * being part of a list + */ hlist_del_rcu(&orig_entry->list); batadv_tt_orig_list_entry_free_ref(orig_entry); } @@@ -1695,7 -1685,7 +1701,7 @@@ batadv_tt_global_del_orig_list(struct b spin_lock_bh(&tt_global_entry->list_lock); head = &tt_global_entry->orig_list; hlist_for_each_entry_safe(orig_entry, safe, head, list) - batadv_tt_global_del_orig_entry(tt_global_entry, orig_entry); + _batadv_tt_global_del_orig_entry(tt_global_entry, orig_entry); spin_unlock_bh(&tt_global_entry->list_lock); }

@@@ -1730,8 -1720,8 +1736,8 @@@ batadv_tt_global_del_orig_node(struct b orig_node->orig, tt_global_entry->common.addr, BATADV_PRINT_VID(vid), message); - batadv_tt_global_del_orig_entry(tt_global_entry, - orig_entry); + _batadv_tt_global_del_orig_entry(tt_global_entry, + orig_entry); } } spin_unlock_bh(&tt_global_entry->list_lock); @@@ -1853,12 -1843,12 +1859,12 @@@ out */ void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, - int32_t match_vid, + s32 match_vid, const char *message) { struct batadv_tt_global_entry *tt_global; struct batadv_tt_common_entry *tt_common_entry; - uint32_t i; + u32 i; struct batadv_hashtable *hash = bat_priv->tt.global_hash; struct hlist_node *safe; struct hlist_head *head; @@@ -1929,7 -1919,7 +1935,7 @@@ static void batadv_tt_global_purge(stru struct hlist_head *head; struct hlist_node *node_tmp; spinlock_t *list_lock; /* protects write access to the hash lists */ - uint32_t i; + u32 i; char *msg = NULL; struct batadv_tt_common_entry *tt_common; struct batadv_tt_global_entry *tt_global; @@@ -1970,7 -1960,7 +1976,7 @@@ static void batadv_tt_global_table_free struct batadv_tt_global_entry *tt_global; struct hlist_node *node_tmp; struct hlist_head *head; - uint32_t i; + u32 i;

if (!bat_priv->tt.global_hash) return; @@@ -2031,8 -2021,8 +2037,8 @@@ _batadv_is_ap_isolated(struct batadv_tt * If the two clients are AP isolated the function returns NULL. */ struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv, - const uint8_t *src, - const uint8_t *addr, + const u8 *src, + const u8 *addr, unsigned short vid) { struct batadv_tt_local_entry *tt_local_entry = NULL; @@@ -2100,16 -2090,16 +2106,16 @@@ out * * Returns the checksum of the global table of a given originator. */ -static uint32_t batadv_tt_global_crc(struct batadv_priv *bat_priv, - struct batadv_orig_node *orig_node, - unsigned short vid) +static u32 batadv_tt_global_crc(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + unsigned short vid) { struct batadv_hashtable *hash = bat_priv->tt.global_hash; struct batadv_tt_common_entry *tt_common; struct batadv_tt_global_entry *tt_global; struct hlist_head *head; - uint32_t i, crc_tmp, crc = 0; - uint8_t flags; + u32 i, crc_tmp, crc = 0; + u8 flags; __be16 tmp_vid;

for (i = 0; i < hash->size; i++) { @@@ -2177,14 -2167,14 +2183,14 @@@ * * Returns the checksum of the local table */ -static uint32_t batadv_tt_local_crc(struct batadv_priv *bat_priv, - unsigned short vid) +static u32 batadv_tt_local_crc(struct batadv_priv *bat_priv, + unsigned short vid) { struct batadv_hashtable *hash = bat_priv->tt.local_hash; struct batadv_tt_common_entry *tt_common; struct hlist_head *head; - uint32_t i, crc_tmp, crc = 0; - uint8_t flags; + u32 i, crc_tmp, crc = 0; + u8 flags; __be16 tmp_vid;

for (i = 0; i < hash->size; i++) { @@@ -2226,13 -2216,12 +2232,13 @@@

static void batadv_tt_req_list_free(struct batadv_priv *bat_priv) { - struct batadv_tt_req_node *node, *safe; + struct batadv_tt_req_node *node; + struct hlist_node *safe;

spin_lock_bh(&bat_priv->tt.req_list_lock);

- list_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) { - list_del_init(&node->list); + hlist_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) { + hlist_del_init(&node->list); kfree(node); }

@@@ -2242,7 -2231,7 +2248,7 @@@ static void batadv_tt_save_orig_buffer(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, const void *tt_buff, - uint16_t tt_buff_len) + u16 tt_buff_len) { /* Replace the old buffer only if I received something in the * last OGM (the OGM could carry no changes) @@@ -2262,36 -2251,30 +2268,36 @@@

static void batadv_tt_req_purge(struct batadv_priv *bat_priv) { - struct batadv_tt_req_node *node, *safe; + struct batadv_tt_req_node *node; + struct hlist_node *safe;

spin_lock_bh(&bat_priv->tt.req_list_lock); - list_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) { + hlist_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) { if (batadv_has_timed_out(node->issued_at, BATADV_TT_REQUEST_TIMEOUT)) { - list_del_init(&node->list); + hlist_del_init(&node->list); kfree(node); } } spin_unlock_bh(&bat_priv->tt.req_list_lock); }

-/* returns the pointer to the new tt_req_node struct if no request - * has already been issued for this orig_node, NULL otherwise +/** + * batadv_tt_req_node_new - search and possibly create a tt_req_node object + * @bat_priv: the bat priv with all the soft interface information + * @orig_node: orig node this request is being issued for + * + * Returns the pointer to the new tt_req_node struct if no request + * has already been issued for this orig_node, NULL otherwise. */ static struct batadv_tt_req_node * -batadv_new_tt_req_node(struct batadv_priv *bat_priv, +batadv_tt_req_node_new(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node) { struct batadv_tt_req_node *tt_req_node_tmp, *tt_req_node = NULL;

spin_lock_bh(&bat_priv->tt.req_list_lock); - list_for_each_entry(tt_req_node_tmp, &bat_priv->tt.req_list, list) { + hlist_for_each_entry(tt_req_node_tmp, &bat_priv->tt.req_list, list) { if (batadv_compare_eth(tt_req_node_tmp, orig_node) && !batadv_has_timed_out(tt_req_node_tmp->issued_at, BATADV_TT_REQUEST_TIMEOUT)) @@@ -2305,7 -2288,7 +2311,7 @@@ ether_addr_copy(tt_req_node->addr, orig_node->orig); tt_req_node->issued_at = jiffies;

- list_add(&tt_req_node->list, &bat_priv->tt.req_list); + hlist_add_head(&tt_req_node->list, &bat_priv->tt.req_list); unlock: spin_unlock_bh(&bat_priv->tt.req_list_lock); return tt_req_node; @@@ -2357,15 -2340,15 +2363,15 @@@ static int batadv_tt_global_valid(cons */ static void batadv_tt_tvlv_generate(struct batadv_priv *bat_priv, struct batadv_hashtable *hash, - void *tvlv_buff, uint16_t tt_len, + void *tvlv_buff, u16 tt_len, int (*valid_cb)(const void *, const void *), void *cb_data) { struct batadv_tt_common_entry *tt_common_entry; struct batadv_tvlv_tt_change *tt_change; struct hlist_head *head; - uint16_t tt_tot, tt_num_entries = 0; - uint32_t i; + u16 tt_tot, tt_num_entries = 0; + u32 i;

tt_tot = batadv_tt_entries(tt_len); tt_change = (struct batadv_tvlv_tt_change *)tvlv_buff; @@@ -2407,12 -2390,12 +2413,12 @@@ */ static bool batadv_tt_global_check_crc(struct batadv_orig_node *orig_node, struct batadv_tvlv_tt_vlan_data *tt_vlan, - uint16_t num_vlan) + u16 num_vlan) { struct batadv_tvlv_tt_vlan_data *tt_vlan_tmp; struct batadv_orig_node_vlan *vlan; + int i, orig_num_vlan; - uint32_t crc; + u32 crc; - int i;

/* check if each received CRC matches the locally stored one */ for (i = 0; i < num_vlan; i++) { @@@ -2438,6 -2421,18 +2444,18 @@@ return false; }

+ /* check if any excess VLANs exist locally for the originator + * which are not mentioned in the TVLV from the originator. + */ + rcu_read_lock(); + orig_num_vlan = 0; - list_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) ++ hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) + orig_num_vlan++; + rcu_read_unlock(); + + if (orig_num_vlan > num_vlan) + return false; + return true; }

@@@ -2466,11 -2461,11 +2484,11 @@@ static void batadv_tt_global_update_crc struct batadv_orig_node *orig_node) { struct batadv_orig_node_vlan *vlan; - uint32_t crc; + u32 crc;

/* recompute the global CRC for each VLAN */ rcu_read_lock(); - list_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) { + hlist_for_each_entry_rcu(vlan, &orig_node->vlan_list, list) { /* if orig_node is a backbone node for this VLAN, don't compute * the CRC as we ignore all the global entries over it */ @@@ -2496,9 -2491,9 +2514,9 @@@ */ static int batadv_send_tt_request(struct batadv_priv *bat_priv, struct batadv_orig_node *dst_orig_node, - uint8_t ttvn, + u8 ttvn, struct batadv_tvlv_tt_vlan_data *tt_vlan, - uint16_t num_vlan, bool full_table) + u16 num_vlan, bool full_table) { struct batadv_tvlv_tt_data *tvlv_tt_data = NULL; struct batadv_tt_req_node *tt_req_node = NULL; @@@ -2514,7 -2509,7 +2532,7 @@@ /* The new tt_req will be issued only if I'm not waiting for a * reply from the same orig_node yet */ - tt_req_node = batadv_new_tt_req_node(bat_priv, dst_orig_node); + tt_req_node = batadv_tt_req_node_new(bat_priv, dst_orig_node); if (!tt_req_node) goto out;

@@@ -2556,8 -2551,8 +2574,8 @@@ out batadv_hardif_free_ref(primary_if); if (ret && tt_req_node) { spin_lock_bh(&bat_priv->tt.req_list_lock); - /* list_del_init() verifies tt_req_node still is in the list */ - list_del_init(&tt_req_node->list); + /* hlist_del_init() verifies tt_req_node still is in the list */ + hlist_del_init(&tt_req_node->list); spin_unlock_bh(&bat_priv->tt.req_list_lock); kfree(tt_req_node); } @@@ -2577,7 -2572,7 +2595,7 @@@ */ static bool batadv_send_other_tt_response(struct batadv_priv *bat_priv, struct batadv_tvlv_tt_data *tt_data, - uint8_t *req_src, uint8_t *req_dst) + u8 *req_src, u8 *req_dst) { struct batadv_orig_node *req_dst_orig_node; struct batadv_orig_node *res_dst_orig_node = NULL; @@@ -2585,9 -2580,9 +2603,9 @@@ struct batadv_tvlv_tt_data *tvlv_tt_data = NULL; struct batadv_tvlv_tt_vlan_data *tt_vlan; bool ret = false, full_table; - uint8_t orig_ttvn, req_ttvn; - uint16_t tvlv_len; - int32_t tt_len; + u8 orig_ttvn, req_ttvn; + u16 tvlv_len; + s32 tt_len;

batadv_dbg(BATADV_DBG_TT, bat_priv, "Received TT_REQUEST from %pM for ttvn: %u (%pM) [%c]\n", @@@ -2603,7 -2598,7 +2621,7 @@@ if (!res_dst_orig_node) goto out;

- orig_ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn); + orig_ttvn = (u8)atomic_read(&req_dst_orig_node->last_ttvn); req_ttvn = tt_data->ttvn;

tt_vlan = (struct batadv_tvlv_tt_vlan_data *)(tt_data + 1); @@@ -2709,16 -2704,16 +2727,16 @@@ out */ static bool batadv_send_my_tt_response(struct batadv_priv *bat_priv, struct batadv_tvlv_tt_data *tt_data, - uint8_t *req_src) + u8 *req_src) { struct batadv_tvlv_tt_data *tvlv_tt_data = NULL; struct batadv_hard_iface *primary_if = NULL; struct batadv_tvlv_tt_change *tt_change; struct batadv_orig_node *orig_node; - uint8_t my_ttvn, req_ttvn; - uint16_t tvlv_len; + u8 my_ttvn, req_ttvn; + u16 tvlv_len; bool full_table; - int32_t tt_len; + s32 tt_len;

batadv_dbg(BATADV_DBG_TT, bat_priv, "Received TT_REQUEST from %pM for ttvn: %u (me) [%c]\n", @@@ -2727,7 -2722,7 +2745,7 @@@

spin_lock_bh(&bat_priv->tt.commit_lock);

- my_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn); + my_ttvn = (u8)atomic_read(&bat_priv->tt.vn); req_ttvn = tt_data->ttvn;

orig_node = batadv_orig_hash_find(bat_priv, req_src); @@@ -2766,7 -2761,7 +2784,7 @@@ bat_priv->tt.last_changeset_len); spin_unlock_bh(&bat_priv->tt.last_changeset_lock); } else { - req_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn); + req_ttvn = (u8)atomic_read(&bat_priv->tt.vn);

/* allocate the tvlv, put the tt_data and all the tt_vlan_data * in the initial part @@@ -2827,7 -2822,7 +2845,7 @@@ out */ static bool batadv_send_tt_response(struct batadv_priv *bat_priv, struct batadv_tvlv_tt_data *tt_data, - uint8_t *req_src, uint8_t *req_dst) + u8 *req_src, u8 *req_dst) { if (batadv_is_my_mac(bat_priv, req_dst)) return batadv_send_my_tt_response(bat_priv, tt_data, req_src); @@@ -2838,7 -2833,7 +2856,7 @@@ static void _batadv_tt_update_changes(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, struct batadv_tvlv_tt_change *tt_change, - uint16_t tt_num_changes, uint8_t ttvn) + u16 tt_num_changes, u8 ttvn) { int i; int roams; @@@ -2870,8 -2865,8 +2888,8 @@@

static void batadv_tt_fill_gtable(struct batadv_priv *bat_priv, struct batadv_tvlv_tt_change *tt_change, - uint8_t ttvn, uint8_t *resp_src, - uint16_t num_entries) + u8 ttvn, u8 *resp_src, + u16 num_entries) { struct batadv_orig_node *orig_node;

@@@ -2901,7 -2896,7 +2919,7 @@@ out

static void batadv_tt_update_changes(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, - uint16_t tt_num_changes, uint8_t ttvn, + u16 tt_num_changes, u8 ttvn, struct batadv_tvlv_tt_change *tt_change) { _batadv_tt_update_changes(bat_priv, orig_node, tt_change, @@@ -2920,7 -2915,7 +2938,7 @@@ * * Returns true if the client is served by this node, false otherwise. */ -bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr, +bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr, unsigned short vid) { struct batadv_tt_local_entry *tt_local_entry; @@@ -2951,14 -2946,13 +2969,14 @@@ out */ static void batadv_handle_tt_response(struct batadv_priv *bat_priv, struct batadv_tvlv_tt_data *tt_data, - uint8_t *resp_src, uint16_t num_entries) + u8 *resp_src, u16 num_entries) { - struct batadv_tt_req_node *node, *safe; + struct batadv_tt_req_node *node; + struct hlist_node *safe; struct batadv_orig_node *orig_node = NULL; struct batadv_tvlv_tt_change *tt_change; - uint8_t *tvlv_ptr = (uint8_t *)tt_data; - uint16_t change_offset; + u8 *tvlv_ptr = (u8 *)tt_data; + u16 change_offset;

batadv_dbg(BATADV_DBG_TT, bat_priv, "Received TT_RESPONSE from %pM for ttvn %d t_size: %d [%c]\n", @@@ -2992,10 -2986,10 +3010,10 @@@

/* Delete the tt_req_node from pending tt_requests list */ spin_lock_bh(&bat_priv->tt.req_list_lock); - list_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) { + hlist_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) { if (!batadv_compare_eth(node->addr, resp_src)) continue; - list_del_init(&node->list); + hlist_del_init(&node->list); kfree(node); }

@@@ -3041,7 -3035,8 +3059,7 @@@ static void batadv_tt_roam_purge(struc * * returns true if the ROAMING_ADV can be sent, false otherwise */ -static bool batadv_tt_check_roam_count(struct batadv_priv *bat_priv, - uint8_t *client) +static bool batadv_tt_check_roam_count(struct batadv_priv *bat_priv, u8 *client) { struct batadv_tt_roam_node *tt_roam_node; bool ret = false; @@@ -3096,7 -3091,7 +3114,7 @@@ unlock * for this particular roamed client has to be forwarded to the sender of the * roaming message. */ -static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client, +static void batadv_send_roam_adv(struct batadv_priv *bat_priv, u8 *client, unsigned short vid, struct batadv_orig_node *orig_node) { @@@ -3174,14 -3169,14 +3192,14 @@@ void batadv_tt_free(struct batadv_priv * @enable: whether to set or unset the flag * @count: whether to increase the TT size by the number of changed entries */ -static void batadv_tt_local_set_flags(struct batadv_priv *bat_priv, - uint16_t flags, bool enable, bool count) +static void batadv_tt_local_set_flags(struct batadv_priv *bat_priv, u16 flags, + bool enable, bool count) { struct batadv_hashtable *hash = bat_priv->tt.local_hash; struct batadv_tt_common_entry *tt_common_entry; - uint16_t changed_num = 0; + u16 changed_num = 0; struct hlist_head *head; - uint32_t i; + u32 i;

if (!hash) return; @@@ -3223,7 -3218,7 +3241,7 @@@ static void batadv_tt_local_purge_pendi struct hlist_node *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ - uint32_t i; + u32 i;

if (!hash) return; @@@ -3271,8 -3266,6 +3289,8 @@@ */ static void batadv_tt_local_commit_changes_nolock(struct batadv_priv *bat_priv) { + lockdep_assert_held(&bat_priv->tt.commit_lock); + /* Update multicast addresses in local translation table */ batadv_mcast_mla_update(bat_priv);

@@@ -3291,7 -3284,7 +3309,7 @@@ atomic_inc(&bat_priv->tt.vn); batadv_dbg(BATADV_DBG_TT, bat_priv, "Local changes committed, updating to ttvn %u\n", - (uint8_t)atomic_read(&bat_priv->tt.vn)); + (u8)atomic_read(&bat_priv->tt.vn));

/* reset the sending counter */ atomic_set(&bat_priv->tt.ogm_append_cnt, BATADV_TT_OGM_APPEND_MAX); @@@ -3310,8 -3303,8 +3328,8 @@@ void batadv_tt_local_commit_changes(str spin_unlock_bh(&bat_priv->tt.commit_lock); }

-bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src, - uint8_t *dst, unsigned short vid) +bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, + unsigned short vid) { struct batadv_tt_local_entry *tt_local_entry = NULL; struct batadv_tt_global_entry *tt_global_entry = NULL; @@@ -3359,11 -3352,11 +3377,11 @@@ out */ static void batadv_tt_update_orig(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node, - const void *tt_buff, uint16_t tt_num_vlan, + const void *tt_buff, u16 tt_num_vlan, struct batadv_tvlv_tt_change *tt_change, - uint16_t tt_num_changes, uint8_t ttvn) + u16 tt_num_changes, u8 ttvn) { - uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn); + u8 orig_ttvn = (u8)atomic_read(&orig_node->last_ttvn); struct batadv_tvlv_tt_vlan_data *tt_vlan; bool full_table = true; bool has_tt_init; @@@ -3442,7 -3435,7 +3460,7 @@@ request_table * deleted later by a DEL or because of timeout */ bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv, - uint8_t *addr, unsigned short vid) + u8 *addr, unsigned short vid) { struct batadv_tt_global_entry *tt_global_entry; bool ret = false; @@@ -3468,7 -3461,7 +3486,7 @@@ out * to keep the latter consistent with the node TTVN */ bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv, - uint8_t *addr, unsigned short vid) + u8 *addr, unsigned short vid) { struct batadv_tt_local_entry *tt_local_entry; bool ret = false; @@@ -3554,13 -3547,13 +3572,13 @@@ void batadv_tt_local_resize_to_mtu(stru */ static void batadv_tt_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv, struct batadv_orig_node *orig, - uint8_t flags, void *tvlv_value, - uint16_t tvlv_value_len) + u8 flags, void *tvlv_value, + u16 tvlv_value_len) { struct batadv_tvlv_tt_vlan_data *tt_vlan; struct batadv_tvlv_tt_change *tt_change; struct batadv_tvlv_tt_data *tt_data; - uint16_t num_entries, num_vlan; + u16 num_entries, num_vlan;

if (tvlv_value_len < sizeof(*tt_data)) return; @@@ -3596,12 -3589,12 +3614,12 @@@ * otherwise. */ static int batadv_tt_tvlv_unicast_handler_v1(struct batadv_priv *bat_priv, - uint8_t *src, uint8_t *dst, + u8 *src, u8 *dst, void *tvlv_value, - uint16_t tvlv_value_len) + u16 tvlv_value_len) { struct batadv_tvlv_tt_data *tt_data; - uint16_t tt_vlan_len, tt_num_entries; + u16 tt_vlan_len, tt_num_entries; char tt_flag; bool ret;

@@@ -3677,9 -3670,9 +3695,9 @@@ * otherwise. */ static int batadv_roam_tvlv_unicast_handler_v1(struct batadv_priv *bat_priv, - uint8_t *src, uint8_t *dst, + u8 *src, u8 *dst, void *tvlv_value, - uint16_t tvlv_value_len) + u16 tvlv_value_len) { struct batadv_tvlv_roam_adv *roaming_adv; struct batadv_orig_node *orig_node = NULL; @@@ -3761,7 -3754,7 +3779,7 @@@ int batadv_tt_init(struct batadv_priv * * otherwise */ bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv, - const uint8_t *addr, unsigned short vid) + const u8 *addr, unsigned short vid) { struct batadv_tt_global_entry *tt; bool ret;