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batman-adv: refactor batadv_neigh_node_* functions to follow common style 

Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Marek Lindner 2016-05-03 01:52:08 +08:00 committed by Simon Wunderlich
parent 21c02be7cf
commit 6f0a6b5ee8
5 changed files with 38 additions and 13 deletions
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3
net/batman-adv/bat_iv_ogm.c
View File

@ -336,7 +336,8 @@ batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface,
{
struct batadv_neigh_node *neigh_node;
neigh_node = batadv_neigh_node_new(orig_node, hard_iface, neigh_addr);
neigh_node = batadv_neigh_node_get_or_create(orig_node,
hard_iface, neigh_addr);
if (!neigh_node)
goto out;

3
net/batman-adv/bat_v_elp.c
View File

@ -443,7 +443,8 @@ static void batadv_v_elp_neigh_update(struct batadv_priv *bat_priv,
if (!orig_neigh)
return;
neigh = batadv_neigh_node_new(orig_neigh, if_incoming, neigh_addr);
neigh = batadv_neigh_node_get_or_create(orig_neigh,
if_incoming, neigh_addr);
if (!neigh)
goto orig_free;

2
net/batman-adv/bat_v_ogm.c
View File

@ -683,7 +683,7 @@ static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset,
if (!orig_node)
return;
neigh_node = batadv_neigh_node_new(orig_node, if_incoming,
neigh_node = batadv_neigh_node_get_or_create(orig_node, if_incoming,
ethhdr->h_source);
if (!neigh_node)
goto out;

31
net/batman-adv/originator.c
View File

@ -602,17 +602,17 @@ batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
}
/**
* batadv_neigh_node_new - create and init a new neigh_node object
* batadv_neigh_node_create - create a neigh node object
* @orig_node: originator object representing the neighbour
* @hard_iface: the interface where the neighbour is connected to
* @neigh_addr: the mac address of the neighbour interface
*
* Allocates a new neigh_node object and initialises all the generic fields.
*
* Return: neighbor when found. Othwerwise NULL
* Return: the neighbour node if found or created or NULL otherwise.
*/
struct batadv_neigh_node *
batadv_neigh_node_new(struct batadv_orig_node *orig_node,
static struct batadv_neigh_node *
batadv_neigh_node_create(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr)
{
@ -666,6 +666,29 @@ batadv_neigh_node_new(struct batadv_orig_node *orig_node,
return neigh_node;
}
/**
* batadv_neigh_node_get_or_create - retrieve or create a neigh node object
* @orig_node: originator object representing the neighbour
* @hard_iface: the interface where the neighbour is connected to
* @neigh_addr: the mac address of the neighbour interface
*
* Return: the neighbour node if found or created or NULL otherwise.
*/
struct batadv_neigh_node *
batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr)
{
struct batadv_neigh_node *neigh_node = NULL;
/* first check without locking to avoid the overhead */
neigh_node = batadv_neigh_node_get(orig_node, hard_iface, neigh_addr);
if (neigh_node)
return neigh_node;
return batadv_neigh_node_create(orig_node, hard_iface, neigh_addr);
}
/**
* batadv_hardif_neigh_seq_print_text - print the single hop neighbour list
* @seq: neighbour table seq_file struct

2
net/batman-adv/originator.h
View File

@ -46,7 +46,7 @@ batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
void
batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
struct batadv_neigh_node *
batadv_neigh_node_new(struct batadv_orig_node *orig_node,
batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr);
void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);