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Add alloc_interface_addr() drv op option for specifying ifname

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Some drivers may need to use a specific ifname for the virtual
interface, so allow them to do this with a new parameter passed
to the alloc_interface_addr() handler.
This commit is contained in:
Jouni Malinen 2010-02-16 19:34:51 +02:00 • committed by Jouni Malinen
parent 01b350ed74
commit b7a2b0b68c
4 changed files with 21 additions and 8 deletions
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12
src/drivers/driver.h
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@ -1624,6 +1624,7 @@ struct wpa_driver_ops {
* alloc_interface_addr - Allocate a virtual interface address
* @priv: Private driver interface data
* @addr: Buffer for returning the address
* @ifname: Buffer for returning interface name (if needed)
* Returns: 0 on success, -1 on failure
*
* This command pre-allocates an interface address for a new virtual
@ -1631,12 +1632,15 @@ struct wpa_driver_ops {
* the interface mode (e.g., AP vs. station) is not yet known, but the
* address of the virtual interface is already needed. This helps with
* drivers that cannot change interface mode without destroying and
* re-creating the interface.
* re-creating the interface. If the driver requires a specific
* interface name to be used, the ifname buffer (up to IFNAMSIZ
* characters) will be used to indicate which name must be used for
* this virtual interface.
*
* The allocated address can be used in a bss_add() call to request a
* The allocated address can be used in a if_add() call to request a
* specific bssid.
*/
int (*alloc_interface_addr)(void *priv, u8 *addr);
int (*alloc_interface_addr)(void *priv, u8 *addr, char *ifname);
/**
* release_interface_addr - Release a virtual interface address
@ -1645,7 +1649,7 @@ struct wpa_driver_ops {
*
* This command is used to release a virtual interface address that was
* allocated with alloc_interface_addr(), but has not yet been used
* with bss_add() to actually create the interface. This allows the
* with if_add() to actually create the interface. This allows the
* driver to release the pending allocation for a new interface.
*/
void (*release_interface_addr)(void *priv, const u8 *addr);