diff options
author | Sven Eckelmann <sven@narfation.org> | 2012-06-06 00:31:30 +0400 |
---|---|---|
committer | Antonio Quartulli <ordex@autistici.org> | 2012-07-02 00:47:21 +0400 |
commit | 96412690116afcc1b2705615b5a7c8dc6c5e905f (patch) | |
tree | 0eb2a1a557e2997175b27f3ab925bbdc29ece54d /net/batman-adv/vis.c | |
parent | b4d66b877bc21ce907938bfd027dfe016617fac0 (diff) | |
download | linux-96412690116afcc1b2705615b5a7c8dc6c5e905f.tar.xz |
batman-adv: Prefix packet structs with batadv_
Reported-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Diffstat (limited to 'net/batman-adv/vis.c')
-rw-r--r-- | net/batman-adv/vis.c | 81 |
1 files changed, 43 insertions, 38 deletions
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c index c1fafa3b172f..309493d9128a 100644 --- a/net/batman-adv/vis.c +++ b/net/batman-adv/vis.c @@ -53,12 +53,12 @@ static void batadv_free_info(struct kref *ref) static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2) { const struct vis_info *d1, *d2; - const struct vis_packet *p1, *p2; + const struct batadv_vis_packet *p1, *p2; d1 = container_of(node, struct vis_info, hash_entry); d2 = data2; - p1 = (struct vis_packet *)d1->skb_packet->data; - p2 = (struct vis_packet *)d2->skb_packet->data; + p1 = (struct batadv_vis_packet *)d1->skb_packet->data; + p2 = (struct batadv_vis_packet *)d2->skb_packet->data; return batadv_compare_eth(p1->vis_orig, p2->vis_orig); } @@ -68,12 +68,12 @@ static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2) static uint32_t batadv_vis_info_choose(const void *data, uint32_t size) { const struct vis_info *vis_info = data; - const struct vis_packet *packet; + const struct batadv_vis_packet *packet; const unsigned char *key; uint32_t hash = 0; size_t i; - packet = (struct vis_packet *)vis_info->skb_packet->data; + packet = (struct batadv_vis_packet *)vis_info->skb_packet->data; key = packet->vis_orig; for (i = 0; i < ETH_ALEN; i++) { hash += key[i]; @@ -169,7 +169,7 @@ static ssize_t batadv_vis_data_read_entry(struct seq_file *seq, } static void batadv_vis_data_insert_interfaces(struct hlist_head *list, - struct vis_packet *packet, + struct batadv_vis_packet *packet, struct vis_info_entry *entries) { int i; @@ -187,7 +187,7 @@ static void batadv_vis_data_insert_interfaces(struct hlist_head *list, static void batadv_vis_data_read_entries(struct seq_file *seq, struct hlist_head *list, - struct vis_packet *packet, + struct batadv_vis_packet *packet, struct vis_info_entry *entries) { int i; @@ -214,7 +214,7 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, { struct hlist_node *node; struct vis_info *info; - struct vis_packet *packet; + struct batadv_vis_packet *packet; uint8_t *entries_pos; struct vis_info_entry *entries; struct if_list_entry *entry; @@ -223,7 +223,7 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, HLIST_HEAD(vis_if_list); hlist_for_each_entry_rcu(info, node, head, hash_entry) { - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; entries_pos = (uint8_t *)packet + sizeof(*packet); entries = (struct vis_info_entry *)entries_pos; @@ -334,15 +334,17 @@ static int batadv_recv_list_is_in(struct bat_priv *bat_priv, * is newer than old entries in the hash. */ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, + struct batadv_vis_packet *vis_packet, int vis_info_len, int *is_new, int make_broadcast) { struct vis_info *info, *old_info; - struct vis_packet *search_packet, *old_packet; + struct batadv_vis_packet *search_packet, *old_packet; struct vis_info search_elem; - struct vis_packet *packet; + struct batadv_vis_packet *packet; + struct sk_buff *tmp_skb; int hash_added; + size_t len; *is_new = 0; /* sanity check */ @@ -353,15 +355,17 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet)); if (!search_elem.skb_packet) return NULL; - search_packet = (struct vis_packet *)skb_put(search_elem.skb_packet, - sizeof(*search_packet)); + len = sizeof(*search_packet); + tmp_skb = search_elem.skb_packet; + search_packet = (struct batadv_vis_packet *)skb_put(tmp_skb, len); memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN); old_info = batadv_vis_hash_find(bat_priv, &search_elem); kfree_skb(search_elem.skb_packet); if (old_info) { - old_packet = (struct vis_packet *)old_info->skb_packet->data; + tmp_skb = old_info->skb_packet; + old_packet = (struct batadv_vis_packet *)tmp_skb->data; if (!batadv_seq_after(ntohl(vis_packet->seqno), ntohl(old_packet->seqno))) { if (old_packet->seqno == vis_packet->seqno) { @@ -385,22 +389,21 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, if (!info) return NULL; - info->skb_packet = dev_alloc_skb(sizeof(*packet) + vis_info_len + - ETH_HLEN); + len = sizeof(*packet) + vis_info_len; + info->skb_packet = dev_alloc_skb(len + ETH_HLEN); if (!info->skb_packet) { kfree(info); return NULL; } skb_reserve(info->skb_packet, ETH_HLEN); - packet = (struct vis_packet *)skb_put(info->skb_packet, sizeof(*packet) - + vis_info_len); + packet = (struct batadv_vis_packet *)skb_put(info->skb_packet, len); kref_init(&info->refcount); INIT_LIST_HEAD(&info->send_list); INIT_LIST_HEAD(&info->recv_list); info->first_seen = jiffies; info->bat_priv = bat_priv; - memcpy(packet, vis_packet, sizeof(*packet) + vis_info_len); + memcpy(packet, vis_packet, len); /* initialize and add new packet. */ *is_new = 1; @@ -430,7 +433,7 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, /* handle the server sync packet, forward if needed. */ void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, + struct batadv_vis_packet *vis_packet, int vis_info_len) { struct vis_info *info; @@ -456,11 +459,11 @@ end: /* handle an incoming client update packet and schedule forward if needed. */ void batadv_receive_client_update_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, + struct batadv_vis_packet *vis_packet, int vis_info_len) { struct vis_info *info; - struct vis_packet *packet; + struct batadv_vis_packet *packet; int is_new; int vis_server = atomic_read(&bat_priv->vis_mode); int are_target = 0; @@ -482,7 +485,7 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv, goto end; /* note that outdated packets will be dropped at this point. */ - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; /* send only if we're the target server or ... */ if (are_target && is_new) { @@ -511,11 +514,11 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv, struct hlist_node *node; struct hlist_head *head; struct orig_node *orig_node; - struct vis_packet *packet; + struct batadv_vis_packet *packet; int best_tq = -1; uint32_t i; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -543,10 +546,10 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv, /* Return true if the vis packet is full. */ static bool batadv_vis_packet_full(const struct vis_info *info) { - const struct vis_packet *packet; + const struct batadv_vis_packet *packet; size_t num_items; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; num_items = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry); if (num_items < packet->entries + 1) @@ -565,13 +568,14 @@ static int batadv_generate_vis_packet(struct bat_priv *bat_priv) struct orig_node *orig_node; struct neigh_node *router; struct vis_info *info = bat_priv->my_vis_info; - struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data; + struct batadv_vis_packet *packet; struct vis_info_entry *entry; struct tt_common_entry *tt_common_entry; int best_tq = -1; uint32_t i; info->first_seen = jiffies; + packet = (struct batadv_vis_packet *)info->skb_packet->data; packet->vis_type = atomic_read(&bat_priv->vis_mode); memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN); @@ -691,14 +695,14 @@ static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv, struct hlist_node *node; struct hlist_head *head; struct orig_node *orig_node; - struct vis_packet *packet; + struct batadv_vis_packet *packet; struct sk_buff *skb; struct hard_iface *hard_iface; uint8_t dstaddr[ETH_ALEN]; uint32_t i; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; /* send to all routers in range. */ for (i = 0; i < hash->size; i++) { @@ -745,9 +749,9 @@ static void batadv_unicast_vis_packet(struct bat_priv *bat_priv, struct orig_node *orig_node; struct neigh_node *router = NULL; struct sk_buff *skb; - struct vis_packet *packet; + struct batadv_vis_packet *packet; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; orig_node = batadv_orig_hash_find(bat_priv, packet->target_orig); if (!orig_node) @@ -773,13 +777,13 @@ static void batadv_send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info) { struct hard_iface *primary_if; - struct vis_packet *packet; + struct batadv_vis_packet *packet; primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; if (packet->header.ttl < 2) { pr_debug("Error - can't send vis packet: ttl exceeded\n"); goto out; @@ -838,10 +842,11 @@ static void batadv_send_vis_packets(struct work_struct *work) */ int batadv_vis_init(struct bat_priv *bat_priv) { - struct vis_packet *packet; + struct batadv_vis_packet *packet; int hash_added; unsigned int len; unsigned long first_seen; + struct sk_buff *tmp_skb; if (bat_priv->vis_hash) return 0; @@ -864,8 +869,8 @@ int batadv_vis_init(struct bat_priv *bat_priv) goto free_info; skb_reserve(bat_priv->my_vis_info->skb_packet, ETH_HLEN); - packet = (struct vis_packet *)skb_put(bat_priv->my_vis_info->skb_packet, - sizeof(*packet)); + tmp_skb = bat_priv->my_vis_info->skb_packet; + packet = (struct batadv_vis_packet *)skb_put(tmp_skb, sizeof(*packet)); /* prefill the vis info */ first_seen = jiffies - msecs_to_jiffies(BATADV_VIS_INTERVAL); |