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netif: add functions to get and get by identifier

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Martine S. Lenders 2019-11-18 13:51:11 +01:00 committed by Martine S. Lenders
parent 18ad1e7154
commit b8294f1ba0
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2 changed files with 43 additions and 0 deletions
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20
sys/include/net/netif.h
View File

@ -89,6 +89,16 @@ netif_t *netif_iter(netif_t *last);
int netif_get_name(netif_t *netif, char *name);
/**
* @brief Gets the numeric identifier of an interface
*
* @param[in] netif A network interface.
*
* @return The numeric identifier of an interface
* @return -1 if @p netif is not registered
*/
int16_t netif_get_id(const netif_t *netif);
/**
* @brief Gets interface by name
*
@ -103,6 +113,16 @@ int netif_get_name(netif_t *netif, char *name);
*/
netif_t *netif_get_by_name(const char *name);
/**
* @brief Gets interface by a numeric identifier.
*
* @param[in] id A numeric identifier.
*
* @return The interface on success.
* @return NULL if no interface with identifier @p id.
*/
netif_t *netif_get_by_id(int16_t id);
/**
* @brief Gets option from an interface
*

23
sys/net/netif/netif.c
View File

@ -40,6 +40,17 @@ netif_t *netif_iter(netif_t *last)
return (netif_t *)last->node.next;
}
__attribute__((weak)) int16_t netif_get_id(const netif_t *netif)
{
list_node_t *node = netif_list.next;
for (int16_t i = 0; node; i++, node = node->next) {
if (netif == (netif_t *)node) {
return i;
}
}
return -1;
}
netif_t *netif_get_by_name(const char *name)
{
assert(name);
@ -57,4 +68,16 @@ netif_t *netif_get_by_name(const char *name)
return NULL;
}
__attribute__((weak)) netif_t *netif_get_by_id(int16_t id)
{
list_node_t *node = netif_list.next;
for (int16_t i = 0; node; i++, node = node->next) {
if (i == id) {
return (netif_t *)node;
}
}
return NULL;
}
/** @} */