[RFC 2/2] wl12xx: check the vif's operstate after join
From: Eliad Peller <hidden>
Date: 2011-05-26 13:53:14
Subsystem:
networking drivers (wireless), the rest · Maintainers:
Johannes Berg, Linus Torvalds
When resuming while connected (without wowlan), the interface is already IF_OPER_UP, so we won't get the notifier callback, and hence never complete the association (from wl12xx perspective) This situation, among other potential problems, prevents the station from entering psm. Signed-off-by: Eliad Peller <redacted> --- drivers/net/wireless/wl12xx/main.c | 23 ++++++++++++++++++----- 1 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index fb0f764..546bcc2 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c@@ -393,6 +393,22 @@ static struct platform_device wl1271_device = { static DEFINE_MUTEX(wl_list_mutex); static LIST_HEAD(wl_list); +static int wl1271_check_operstate(struct wl1271 *wl, unsigned char operstate) +{ + int ret; + if (operstate != IF_OPER_UP) + return 0; + + if (test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) + return 0; + + ret = wl1271_cmd_set_sta_state(wl); + if (ret < 0) + return ret; + + wl1271_info("Association completed."); + return 0; +} static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, void *arg) {
@@ -442,11 +458,7 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, if (ret < 0) goto out; - if ((dev->operstate == IF_OPER_UP) && - !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) { - wl1271_cmd_set_sta_state(wl); - wl1271_info("Association completed."); - } + wl1271_check_operstate(wl, dev->operstate); wl1271_ps_elp_sleep(wl);
@@ -3178,6 +3190,7 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, wl1271_warning("cmd join failed %d", ret); goto out; } + wl1271_check_operstate(wl, ieee80211_get_operstate(vif)); } out:
--
1.7.0.4