diff options
| author | Troy Kisky <troy.kisky@boundarydevices.com> | 2012-05-23 18:38:54 -0700 |
|---|---|---|
| committer | Eric Nelson <eric.nelson@boundarydevices.com> | 2013-02-12 10:46:51 -0700 |
| commit | 222475dc2b5f40c3133ddf85807d31f28b4bd373 (patch) | |
| tree | 9fba8171f639adaa6bf250f9d8ebab573ccfe9a2 /drivers | |
| parent | de39a3c80ac4fa92d43ae67407bddfa039d871cb (diff) | |
wl12xx: add mac override parameter
Note the cmdline parameter would be wl12xx.mac=nn:nn:nn:nn:nn:nn
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index e6497dc669df..81e31344640f 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -3781,9 +3781,39 @@ static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, wl1271_sysfs_show_hw_pg_ver, NULL); + +static int parse_mac(unsigned char *mac, unsigned char const *str_mac) +{ + int i = 0; + char *end; + int ret = -EINVAL; + + for (;;) { + mac[i++] = simple_strtoul(str_mac, &end, 16); + if (i == 6) { + if (!*end || (*end == ' ')) + ret = 0; + break; + } + str_mac = end + 1; + if ((*end != '-') && (*end != ':')) + break; + } + return ret; +} + +static char *mac; +module_param(mac, charp, S_IRUGO); +MODULE_PARM_DESC(mac, "mac address override"); + int wl1271_register_hw(struct wl1271 *wl) { int ret; + u8 override_mac[ETH_ALEN]; + memset(override_mac, 0, ETH_ALEN); + if (mac) + if (parse_mac(override_mac, mac)) + memset(override_mac, 0, ETH_ALEN); if (wl->mac80211_registered) return 0; @@ -3804,6 +3834,9 @@ int wl1271_register_hw(struct wl1271 *wl) wl->mac_addr[5] = nvs_ptr[3]; } + if (is_valid_ether_addr(override_mac)) + memcpy(wl->mac_addr, override_mac, sizeof(wl->mac_addr)); + SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); ret = ieee80211_register_hw(wl->hw); |