From: Andrej Gelenberg <andrej.gelenberg@udo.edu>
To: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Cc: Intel Linux Wireless <ilw@linux.intel.com>,
"John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: iwlagn regression in v3.1.5
Date: Sun, 11 Dec 2011 17:33:25 +0100 [thread overview]
Message-ID: <4EE4DB55.4090804@udo.edu> (raw)
In-Reply-To: <4EE4AEF4.2080702@udo.edu>
[-- Attachment #1: Type: text/plain, Size: 694 bytes --]
Hello,
the original commit 34a5b4b6af104cf18eb50748509528b9bdbc4036 in upstream
(v3.2.0-rc5) break the driver too. Please revert it, before the release.
Patch for 3.2-rc5 attached.
Regards,
Andrej Gelenberg
On 12/11/2011 02:24 PM, Andrej Gelenberg wrote:
> Hello,
>
> there in an regression in kernel release v3.1.5. Commit
> 43c308bd8d0a3e7d98c5abcd41a4a3fada3d198f "iwlwifi: do not re-configure
> HT40 after associated" break iwlagn driver for Intel Corporation
> Centrino Ultimate-N 6300 (rev 35) on my Thinkpad t510. I still can
> connect to the AP, but i can't pin or access anything. Reverting that
> commit solved the Problem. I attached the patch.
>
> Regards,
> Andrej Gelenberg
[-- Attachment #2: 0001-Revert-iwlwifi-do-not-re-configure-HT40-after-associ.patch --]
[-- Type: text/x-patch, Size: 5298 bytes --]
>From 88a9409dbe93193d28e2fde6525e98c84a0ce115 Mon Sep 17 00:00:00 2001
From: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Date: Sun, 11 Dec 2011 17:21:38 +0100
Subject: [PATCH] Revert "iwlwifi: do not re-configure HT40 after associated"
This reverts commit 34a5b4b6af104cf18eb50748509528b9bdbc4036.
It break wlan driver on my Thinkpad t510. I can connect to the network
and i get ip from dhcpcd, but no ping or tcp connection can be
established.
lspci:
03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300
(rev 35)
dmesg:
[ 3.697288] iwlagn 0000:03:00.0: PCI INT A -> GSI 17 (level, low) ->
IRQ 17
[ 3.697841] iwlagn 0000:03:00.0: setting latency timer to 64
[ 3.697873] iwlagn 0000:03:00.0: pci_resource_len = 0x00002000
[ 3.698389] iwlagn 0000:03:00.0: pci_resource_base = ffffc90010084000
[ 3.698954] iwlagn 0000:03:00.0: HW Revision ID = 0x35
[ 3.699629] iwlagn 0000:03:00.0: irq 43 for MSI/MSI-X
[ 3.699705] iwlagn 0000:03:00.0: Detected Intel(R) Centrino(R)
Ultimate-N 6300 AGN, REV=0x74
[ 3.700181] iwlagn 0000:03:00.0: L1 Enabled; Disabling L0S
[ 3.717265] iwlagn 0000:03:00.0: device EEPROM VER=0x436, CALIB=0x6
[ 3.717461] iwlagn 0000:03:00.0: Device SKU: 0X1f0
[ 3.717984] iwlagn 0000:03:00.0: Valid Tx ant: 0X7, Valid Rx ant: 0X7
[ 3.718531] iwlagn 0000:03:00.0: Tunable channels: 13 802.11bg, 24
802.11a channels
[ 3.719141] iwlagn 0000:03:00.0: loaded firmware version 9.221.4.1
build 25532
...
[ 71.965289] iwlagn 0000:03:00.0: L1 Enabled; Disabling L0S
[ 71.972290] iwlagn 0000:03:00.0: Radio type=0x0-0x3-0x1
[ 72.213804] iwlagn 0000:03:00.0: L1 Enabled; Disabling L0S
[ 72.220770] iwlagn 0000:03:00.0: Radio type=0x0-0x3-0x1
Signed-off-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
---
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 36 +++++++++-----------------
drivers/net/wireless/iwlwifi/iwl-agn.c | 18 +++++++++++--
drivers/net/wireless/iwlwifi/iwl-agn.h | 2 -
3 files changed, 28 insertions(+), 28 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index a7a6def..58a381c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -528,24 +528,6 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
return 0;
}
-void iwlagn_config_ht40(struct ieee80211_conf *conf,
- struct iwl_rxon_context *ctx)
-{
- if (conf_is_ht40_minus(conf)) {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- ctx->ht.is_40mhz = true;
- } else if (conf_is_ht40_plus(conf)) {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
- ctx->ht.is_40mhz = true;
- } else {
- ctx->ht.extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_NONE;
- ctx->ht.is_40mhz = false;
- }
-}
-
int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct iwl_priv *priv = hw->priv;
@@ -604,11 +586,19 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
ctx->ht.enabled = conf_is_ht(conf);
if (ctx->ht.enabled) {
- /* if HT40 is used, it should not change
- * after associated except channel switch */
- if (iwl_is_associated_ctx(ctx) &&
- !ctx->ht.is_40mhz)
- iwlagn_config_ht40(conf, ctx);
+ if (conf_is_ht40_minus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ ctx->ht.is_40mhz = true;
+ } else if (conf_is_ht40_plus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ctx->ht.is_40mhz = true;
+ } else {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ctx->ht.is_40mhz = false;
+ }
} else
ctx->ht.is_40mhz = false;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index bacc06c..3a5e802 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2610,9 +2610,21 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
/* Configure HT40 channels */
ctx->ht.enabled = conf_is_ht(conf);
- if (ctx->ht.enabled)
- iwlagn_config_ht40(conf, ctx);
- else
+ if (ctx->ht.enabled) {
+ if (conf_is_ht40_minus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ ctx->ht.is_40mhz = true;
+ } else if (conf_is_ht40_plus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ctx->ht.is_40mhz = true;
+ } else {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ctx->ht.is_40mhz = false;
+ }
+ } else
ctx->ht.is_40mhz = false;
if ((le16_to_cpu(ctx->staging.channel) != ch))
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h
index 3856aba..5b936ec 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.h
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
@@ -86,8 +86,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
-void iwlagn_config_ht40(struct ieee80211_conf *conf,
- struct iwl_rxon_context *ctx);
/* uCode */
int iwlagn_rx_calib_result(struct iwl_priv *priv,
--
1.7.8
next prev parent reply other threads:[~2011-12-11 16:33 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-11 13:24 iwlagn regression in v3.1.5 Andrej Gelenberg
2011-12-11 16:33 ` Andrej Gelenberg [this message]
2011-12-11 16:41 ` Udo Steinberg
2011-12-11 16:58 ` Andrej Gelenberg
2011-12-11 18:23 ` wwguy
2011-12-11 18:23 ` wwguy
2011-12-11 19:05 ` Andrej Gelenberg
2011-12-11 19:20 ` Andrej Gelenberg
2011-12-12 1:35 ` wwguy
2011-12-12 1:35 ` wwguy
2011-12-12 17:15 ` Andrej Gelenberg
2011-12-13 20:15 ` wwguy
2011-12-13 21:08 ` Andrej Gelenberg
2011-12-13 22:04 ` Udo Steinberg
2011-12-13 23:20 ` wwguy
2011-12-15 22:12 ` Arkadiusz Miśkiewicz
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