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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
commit4dd9ec4946b4651a295d3bc8df9c15ac692a8f4e (patch)
treeafb300c752de7175bb2df4722d5c857e070c75d9 /drivers/net/wireless/iwlwifi/iwl-scan.c
parent86ed5a93b8b56e4e0877b914af0e10883a196384 (diff)
parent6861ff35ec5b60fafaf8651754c9a75142bfa9a4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1075 commits) myri10ge: update driver version number to 1.4.3-1.369 r8169: add shutdown handler r8169: preliminary 8168d support r8169: support additional 8168cp chipset r8169: change default behavior for mildly identified 8168c chipsets r8169: add a new 8168cp flavor r8169: add a new 8168c flavor (bis) r8169: add a new 8168c flavor r8169: sync existing 8168 device hardware start sequences with vendor driver r8169: 8168b Tx performance tweak r8169: make room for more specific 8168 hardware start procedure r8169: shuffle some registers handling around (8168 operation only) r8169: new phy init parameters for the 8168b r8169: update phy init parameters r8169: wake up the PHY of the 8168 af_key: fix SADB_X_SPDDELETE response ath9k: Fix return code when ath9k_hw_setpower() fails on reset ath9k: remove nasty FAIL macro from ath9k_hw_reset() gre: minor cleanups in netlink interface gre: fix copy and paste error ...
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-scan.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c41
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 6c8ac3a87d5..3b0bee331a3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -88,7 +88,7 @@ static int iwl_is_empty_essid(const char *essid, int essid_len)
-const char *iwl_escape_essid(const char *essid, u8 essid_len)
+static const char *iwl_escape_essid(const char *essid, u8 essid_len)
{
static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
const char *s = essid;
@@ -111,7 +111,6 @@ const char *iwl_escape_essid(const char *essid, u8 essid_len)
*d = '\0';
return escaped;
}
-EXPORT_SYMBOL(iwl_escape_essid);
/**
* iwl_scan_cancel - Cancel any currently executing HW scan
@@ -464,11 +463,6 @@ void iwl_init_scan_params(struct iwl_priv *priv)
int iwl_scan_initiate(struct iwl_priv *priv)
{
- if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
- IWL_ERROR("APs don't scan.\n");
- return 0;
- }
-
if (!iwl_is_ready_rf(priv)) {
IWL_DEBUG_SCAN("Aborting scan due to not ready.\n");
return -EIO;
@@ -480,8 +474,7 @@ int iwl_scan_initiate(struct iwl_priv *priv)
}
if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
- IWL_DEBUG_SCAN("Scan request while abort pending. "
- "Queuing.\n");
+ IWL_DEBUG_SCAN("Scan request while abort pending\n");
return -EAGAIN;
}
@@ -710,7 +703,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
u16 cmd_len;
enum ieee80211_band band;
u8 n_probes = 2;
- u8 rx_chain = 0x7; /* bitmap: ABC chains */
+ u8 rx_chain = priv->hw_params.valid_rx_ant;
conf = ieee80211_get_hw_conf(priv->hw);
@@ -850,7 +843,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
/* Force use of chains B and C (0x6) for scan Rx for 4965
* Avoid A (0x1) because of its off-channel reception on A-band.
- * MIMO is not used here, but value is required */
+ */
if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965)
rx_chain = 0x6;
} else {
@@ -858,6 +851,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
goto done;
}
+ /* MIMO is not used here, but value is required */
scan->rx_chain = RXON_RX_CHAIN_DRIVER_FORCE_MSK |
cpu_to_le16((0x7 << RXON_RX_CHAIN_VALID_POS) |
(rx_chain << RXON_RX_CHAIN_FORCE_SEL_POS) |
@@ -869,7 +863,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
scan->tx_cmd.len = cpu_to_le16(cmd_len);
- if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
+ if (priv->iw_mode == NL80211_IFTYPE_MONITOR)
scan->filter_flags = RXON_FILTER_PROMISC_MSK;
scan->filter_flags |= (RXON_FILTER_ACCEPT_GRP_MSK |
@@ -922,10 +916,29 @@ static void iwl_bg_abort_scan(struct work_struct *work)
mutex_unlock(&priv->mutex);
}
+static void iwl_bg_scan_completed(struct work_struct *work)
+{
+ struct iwl_priv *priv =
+ container_of(work, struct iwl_priv, scan_completed);
+
+ IWL_DEBUG_SCAN("SCAN complete scan\n");
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ ieee80211_scan_completed(priv->hw);
+
+ /* Since setting the TXPOWER may have been deferred while
+ * performing the scan, fire one off */
+ mutex_lock(&priv->mutex);
+ iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
+ mutex_unlock(&priv->mutex);
+}
+
+
void iwl_setup_scan_deferred_work(struct iwl_priv *priv)
{
- /* FIXME: move here when resolved PENDING
- * INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed); */
+ INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed);
INIT_WORK(&priv->request_scan, iwl_bg_request_scan);
INIT_WORK(&priv->abort_scan, iwl_bg_abort_scan);
INIT_DELAYED_WORK(&priv->scan_check, iwl_bg_scan_check);