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nl80211: Extend unique MAC address assignment for station iftype

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Previously, only P2P and mesh use cases enforced unique MAC address for
a dynamically added virtual interface. Extend this to cover normal
station mode interfaces since those can now be added with INTERFACE_ADD.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-04-23 19:11:36 +03:00 committed by Jouni Malinen
parent ca68a8b561
commit 8ea8a89cb4
1 changed files with 6 additions and 12 deletions
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18
src/drivers/driver_nl80211.c
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@ -5789,8 +5789,6 @@ static enum nl80211_iftype wpa_driver_nl80211_if_type(
} }
#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
{ {
struct wpa_driver_nl80211_data *drv; struct wpa_driver_nl80211_data *drv;
@ -5826,8 +5824,6 @@ static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
return 0; return 0;
} }
#endif /* CONFIG_P2P || CONFIG_MESH */
struct wdev_info { struct wdev_info {
u64 wdev_id; u64 wdev_id;
@ -5903,21 +5899,21 @@ static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
} }
if (!addr) { if (!addr) {
if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
os_memcpy(if_addr, bss->addr, ETH_ALEN); os_memcpy(if_addr, bss->addr, ETH_ALEN);
else if (linux_get_ifhwaddr(drv->global->ioctl_sock, else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
bss->ifname, if_addr) < 0) { ifname, if_addr) < 0) {
if (added) if (added)
nl80211_remove_iface(drv, ifidx); nl80211_remove_iface(drv, ifidx);
return -1; return -1;
} }
} }
#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
if (!addr && if (!addr &&
(type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
type == WPA_IF_P2P_GO || type == WPA_IF_MESH)) { type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
/* Enforce unique P2P Interface Address */ type == WPA_IF_STATION)) {
/* Enforce unique address */
u8 new_addr[ETH_ALEN]; u8 new_addr[ETH_ALEN];
if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
@ -5928,8 +5924,7 @@ static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
} }
if (nl80211_addr_in_use(drv->global, new_addr)) { if (nl80211_addr_in_use(drv->global, new_addr)) {
wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
"for %s interface", type == WPA_IF_MESH ? "for interface %s type %d", ifname, type);
"mesh" : "P2P group");
if (nl80211_vif_addr(drv, new_addr) < 0) { if (nl80211_vif_addr(drv, new_addr) < 0) {
if (added) if (added)
nl80211_remove_iface(drv, ifidx); nl80211_remove_iface(drv, ifidx);
@ -5944,7 +5939,6 @@ static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
} }
os_memcpy(if_addr, new_addr, ETH_ALEN); os_memcpy(if_addr, new_addr, ETH_ALEN);
} }
#endif /* CONFIG_P2P || CONFIG_MESH */
if (type == WPA_IF_AP_BSS) { if (type == WPA_IF_AP_BSS) {
struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss)); struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));