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path: root/drivers/net/wireless
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-rw-r--r--drivers/net/wireless/wl12xx/cmd.c39
-rw-r--r--drivers/net/wireless/wl12xx/cmd.h2
-rw-r--r--drivers/net/wireless/wl12xx/main.c144
-rw-r--r--drivers/net/wireless/wl12xx/scan.c20
-rw-r--r--drivers/net/wireless/wl12xx/tx.c13
-rw-r--r--drivers/net/wireless/wl12xx/wl12xx.h2
6 files changed, 182 insertions, 38 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c
index 1b04102144e..c620a9d4939 100644
--- a/drivers/net/wireless/wl12xx/cmd.c
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -1554,3 +1554,42 @@ out_free:
out:
return ret;
}
+
+int wl12xx_roc(struct wl1271 *wl, u8 role_id)
+{
+ int ret = 0;
+
+ if (WARN_ON(test_bit(role_id, wl->roc_map)))
+ return 0;
+
+ ret = wl12xx_cmd_roc(wl, role_id);
+ if (ret < 0)
+ goto out;
+
+ ret = wl1271_cmd_wait_for_event(wl,
+ REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID);
+ if (ret < 0) {
+ wl1271_error("cmd roc event completion error");
+ goto out;
+ }
+
+ __set_bit(role_id, wl->roc_map);
+out:
+ return ret;
+}
+
+int wl12xx_croc(struct wl1271 *wl, u8 role_id)
+{
+ int ret = 0;
+
+ if (WARN_ON(!test_bit(role_id, wl->roc_map)))
+ return 0;
+
+ ret = wl12xx_cmd_croc(wl, role_id);
+ if (ret < 0)
+ goto out;
+
+ __clear_bit(role_id, wl->roc_map);
+out:
+ return ret;
+}
diff --git a/drivers/net/wireless/wl12xx/cmd.h b/drivers/net/wireless/wl12xx/cmd.h
index 80b02ed0e3f..5cf92e25664 100644
--- a/drivers/net/wireless/wl12xx/cmd.h
+++ b/drivers/net/wireless/wl12xx/cmd.h
@@ -71,6 +71,8 @@ int wl1271_cmd_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
u16 tx_seq_16);
int wl12xx_cmd_set_peer_state(struct wl1271 *wl);
+int wl12xx_roc(struct wl1271 *wl, u8 role_id);
+int wl12xx_croc(struct wl1271 *wl, u8 role_id);
int wl12xx_cmd_add_peer(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid);
int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid);
int wl12xx_cmd_config_fwlog(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index e4081e22218..57b10e98730 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -440,6 +440,8 @@ static int wl1271_check_operstate(struct wl1271 *wl, unsigned char operstate)
if (ret < 0)
return ret;
+ wl12xx_croc(wl, wl->role_id);
+
wl1271_info("Association completed.");
return 0;
}
@@ -2068,6 +2070,7 @@ deinit:
wl->dev_role_id = WL12XX_INVALID_ROLE_ID;
memset(wl->roles_map, 0, sizeof(wl->roles_map));
memset(wl->links_map, 0, sizeof(wl->links_map));
+ memset(wl->roc_map, 0, sizeof(wl->roc_map));
/* The system link is always allocated */
__set_bit(WL12XX_SYSTEM_HLID, wl->links_map);
@@ -2110,25 +2113,6 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
cancel_work_sync(&wl->recovery_work);
}
-static int wl1271_dummy_join(struct wl1271 *wl)
-{
- int ret = 0;
- /* we need to use a dummy BSSID for now */
- static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde,
- 0xad, 0xbe, 0xef };
-
- memcpy(wl->bssid, dummy_bssid, ETH_ALEN);
-
- ret = wl12xx_cmd_role_start_sta(wl);
- if (ret < 0)
- goto out;
-
- set_bit(WL1271_FLAG_JOINED, &wl->flags);
-
-out:
- return ret;
-}
-
static int wl1271_join(struct wl1271 *wl, bool set_assoc)
{
int ret;
@@ -2152,8 +2136,6 @@ static int wl1271_join(struct wl1271 *wl, bool set_assoc)
if (ret < 0)
goto out;
- set_bit(WL1271_FLAG_JOINED, &wl->flags);
-
if (!test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
goto out;
@@ -2193,7 +2175,6 @@ static int wl1271_unjoin(struct wl1271 *wl)
if (ret < 0)
goto out;
- clear_bit(WL1271_FLAG_JOINED, &wl->flags);
memset(wl->bssid, 0, ETH_ALEN);
/* reset TX security counters on a clean disconnect */
@@ -2212,13 +2193,29 @@ static void wl1271_set_band_rate(struct wl1271 *wl)
wl->basic_rate_set = wl->conf.tx.basic_rate_5;
}
+static bool wl12xx_is_roc(struct wl1271 *wl)
+{
+ u8 role_id;
+
+ role_id = find_first_bit(wl->roc_map, WL12XX_MAX_ROLES);
+ if (role_id >= WL12XX_MAX_ROLES)
+ return false;
+
+ return true;
+}
+
static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle)
{
int ret;
if (idle) {
- if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
- ret = wl1271_unjoin(wl);
+ /* no need to croc if we weren't busy (e.g. during boot) */
+ if (wl12xx_is_roc(wl)) {
+ ret = wl12xx_croc(wl, wl->dev_role_id);
+ if (ret < 0)
+ goto out;
+
+ ret = wl12xx_cmd_role_stop_dev(wl);
if (ret < 0)
goto out;
}
@@ -2244,7 +2241,11 @@ static int wl1271_sta_handle_idle(struct wl1271 *wl, bool idle)
ieee80211_sched_scan_stopped(wl->hw);
}
- ret = wl1271_dummy_join(wl);
+ ret = wl12xx_cmd_role_start_dev(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl12xx_roc(wl, wl->dev_role_id);
if (ret < 0)
goto out;
clear_bit(WL1271_FLAG_IDLE, &wl->flags);
@@ -2324,11 +2325,34 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
wl1271_warning("rate policy for channel "
"failed %d", ret);
- if (test_bit(WL1271_FLAG_JOINED, &wl->flags)) {
+ if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
+ if (wl12xx_is_roc(wl)) {
+ /* roaming */
+ ret = wl12xx_croc(wl, wl->dev_role_id);
+ if (ret < 0)
+ goto out_sleep;
+ }
ret = wl1271_join(wl, false);
if (ret < 0)
wl1271_warning("cmd join on channel "
"failed %d", ret);
+ } else {
+ /*
+ * change the ROC channel. do it only if we are
+ * not idle. otherwise, CROC will be called
+ * anyway.
+ */
+ if (wl12xx_is_roc(wl) &&
+ !(conf->flags & IEEE80211_CONF_IDLE)) {
+ ret = wl12xx_croc(wl, wl->dev_role_id);
+ if (ret < 0)
+ goto out_sleep;
+
+ ret = wl12xx_roc(wl, wl->dev_role_id);
+ if (ret < 0)
+ wl1271_warning("roc failed %d",
+ ret);
+ }
}
}
}
@@ -2784,10 +2808,20 @@ static int wl1271_op_hw_scan(struct ieee80211_hw *hw,
if (ret < 0)
goto out;
- ret = wl1271_scan(hw->priv, ssid, len, req);
+ /* cancel ROC before scanning */
+ if (wl12xx_is_roc(wl)) {
+ if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
+ /* don't allow scanning right now */
+ ret = -EBUSY;
+ goto out_sleep;
+ }
+ wl12xx_croc(wl, wl->dev_role_id);
+ wl12xx_cmd_role_stop_dev(wl);
+ }
+ ret = wl1271_scan(hw->priv, ssid, len, req);
+out_sleep:
wl1271_ps_elp_sleep(wl);
-
out:
mutex_unlock(&wl->mutex);
@@ -3311,7 +3345,9 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl,
bool was_assoc =
!!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED,
&wl->flags);
- clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags);
+ bool was_ifup =
+ !!test_and_clear_bit(WL1271_FLAG_STA_STATE_SENT,
+ &wl->flags);
wl->aid = 0;
/* free probe-request template */
@@ -3338,8 +3374,32 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl,
/* restore the bssid filter and go to dummy bssid */
if (was_assoc) {
+ u32 conf_flags = wl->hw->conf.flags;
+ /*
+ * we might have to disable roc, if there was
+ * no IF_OPER_UP notification.
+ */
+ if (!was_ifup) {
+ ret = wl12xx_croc(wl, wl->role_id);
+ if (ret < 0)
+ goto out;
+ }
+ /*
+ * (we also need to disable roc in case of
+ * roaming on the same channel. until we will
+ * have a better flow...)
+ */
+ if (test_bit(wl->dev_role_id, wl->roc_map)) {
+ ret = wl12xx_croc(wl, wl->dev_role_id);
+ if (ret < 0)
+ goto out;
+ }
+
wl1271_unjoin(wl);
- wl1271_dummy_join(wl);
+ if (!(conf_flags & IEEE80211_CONF_IDLE)) {
+ wl12xx_cmd_role_start_dev(wl);
+ wl12xx_roc(wl, wl->dev_role_id);
+ }
}
}
}
@@ -3400,7 +3460,29 @@ 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));
+
+ /* ROC until connected (after EAPOL exchange) */
+ if (!is_ibss) {
+ ret = wl12xx_roc(wl, wl->role_id);
+ if (ret < 0)
+ goto out;
+
+ wl1271_check_operstate(wl,
+ ieee80211_get_operstate(vif));
+ }
+ /*
+ * stop device role if started (we might already be in
+ * STA role). TODO: make it better.
+ */
+ if (wl->dev_role_id != WL12XX_INVALID_ROLE_ID) {
+ ret = wl12xx_croc(wl, wl->dev_role_id);
+ if (ret < 0)
+ goto out;
+
+ ret = wl12xx_cmd_role_stop_dev(wl);
+ if (ret < 0)
+ goto out;
+ }
}
out:
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index 54a4e75a37f..653091a38dc 100644
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -33,6 +33,7 @@ void wl1271_scan_complete_work(struct work_struct *work)
{
struct delayed_work *dwork;
struct wl1271 *wl;
+ int ret;
dwork = container_of(work, struct delayed_work, work);
wl = container_of(dwork, struct wl1271, scan_complete_work);
@@ -50,21 +51,28 @@ void wl1271_scan_complete_work(struct work_struct *work)
wl->scan.state = WL1271_SCAN_STATE_IDLE;
memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch));
wl->scan.req = NULL;
- ieee80211_scan_completed(wl->hw, false);
- /* restore hardware connection monitoring template */
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags)) {
- if (wl1271_ps_elp_wakeup(wl) == 0) {
- wl1271_cmd_build_ap_probe_req(wl, wl->probereq);
- wl1271_ps_elp_sleep(wl);
- }
+ /* restore hardware connection monitoring template */
+ wl1271_cmd_build_ap_probe_req(wl, wl->probereq);
+ } else {
+ /* restore remain on channel */
+ wl12xx_cmd_role_start_dev(wl);
+ wl12xx_roc(wl, wl->dev_role_id);
}
+ wl1271_ps_elp_sleep(wl);
if (wl->scan.failed) {
wl1271_info("Scan completed due to error.");
wl12xx_queue_recovery_work(wl);
}
+ ieee80211_scan_completed(wl->hw, false);
+
out:
mutex_unlock(&wl->mutex);
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index a2dbbadd58f..057db6f86be 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -78,6 +78,7 @@ static int wl1271_tx_update_filters(struct wl1271 *wl,
struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
+ int ret;
hdr = (struct ieee80211_hdr *)(skb->data +
sizeof(struct wl1271_tx_hw_descr));
@@ -91,6 +92,18 @@ static int wl1271_tx_update_filters(struct wl1271 *wl,
if (!ieee80211_is_auth(hdr->frame_control))
return 0;
+ if (wl->dev_hlid != WL12XX_INVALID_LINK_ID)
+ goto out;
+
+ wl1271_debug(DEBUG_CMD, "starting device role for roaming");
+ ret = wl12xx_cmd_role_start_dev(wl);
+ if (ret < 0)
+ goto out;
+
+ ret = wl12xx_roc(wl, wl->dev_role_id);
+ if (ret < 0)
+ goto out;
+out:
return 0;
}
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index 089304d874d..a136795352c 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -319,7 +319,6 @@ struct wl1271_ap_key {
enum wl12xx_flags {
WL1271_FLAG_STA_ASSOCIATED,
- WL1271_FLAG_JOINED,
WL1271_FLAG_GPIO_POWER,
WL1271_FLAG_TX_QUEUE_STOPPED,
WL1271_FLAG_TX_PENDING,
@@ -402,6 +401,7 @@ struct wl1271 {
unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
unsigned long roles_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
+ unsigned long roc_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
struct wl1271_acx_mem_map *target_mem_map;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-28 00:53:55 +0000