diff options
Diffstat (limited to 'package/mac80211/patches/701-mwl8k-don-t-overwrite-regulatory-settings.patch')
| -rw-r--r-- | package/mac80211/patches/701-mwl8k-don-t-overwrite-regulatory-settings.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/package/mac80211/patches/701-mwl8k-don-t-overwrite-regulatory-settings.patch b/package/mac80211/patches/701-mwl8k-don-t-overwrite-regulatory-settings.patch new file mode 100644 index 000000000..dd6348f70 --- /dev/null +++ b/package/mac80211/patches/701-mwl8k-don-t-overwrite-regulatory-settings.patch @@ -0,0 +1,70 @@ +From f340b99171e923eb6b54c1d0c22c15b45df40647 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Mon, 11 Mar 2013 17:17:28 +0100 +Subject: [PATCH] mwl8k: don't overwrite regulatory settings + +Currently the caps are parsed on every firmware reload, causing any +channel flags to be cleared. +When there is a firmware to interface mode mismatch, the triggered +firmware reload causes a reset of the regulatory settings, causing all +channels to become available: + +root@openrouter:/# iw phy phy0 info +Wiphy phy0 + Band 1: + (...) + Frequencies: + * 2412 MHz [1] (0.0 dBm) + * 2417 MHz [2] (0.0 dBm) + * 2422 MHz [3] (0.0 dBm) + * 2427 MHz [4] (0.0 dBm) + * 2432 MHz [5] (0.0 dBm) + * 2437 MHz [6] (0.0 dBm) + * 2442 MHz [7] (0.0 dBm) + * 2447 MHz [8] (0.0 dBm) + * 2452 MHz [9] (0.0 dBm) + * 2457 MHz [10] (0.0 dBm) + * 2462 MHz [11] (0.0 dBm) + * 2467 MHz [12] (0.0 dBm) + * 2472 MHz [13] (0.0 dBm) + * 2484 MHz [14] (0.0 dBm) + (...) + +To prevent this, only parse the caps on the first firmware load during +hardware probe, and store them locally to know we have already parsed +them. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + drivers/net/wireless/mwl8k.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/drivers/net/wireless/mwl8k.c ++++ b/drivers/net/wireless/mwl8k.c +@@ -232,6 +232,7 @@ struct mwl8k_priv { + u16 num_mcaddrs; + u8 hw_rev; + u32 fw_rev; ++ u32 caps; + + /* + * Running count of TX packets in flight, to avoid +@@ -2401,6 +2402,9 @@ mwl8k_set_caps(struct ieee80211_hw *hw, + { + struct mwl8k_priv *priv = hw->priv; + ++ if (priv->caps) ++ return; ++ + if ((caps & MWL8K_CAP_2GHZ4) || !(caps & MWL8K_CAP_BAND_MASK)) { + mwl8k_setup_2ghz_band(hw); + if (caps & MWL8K_CAP_MIMO) +@@ -2412,6 +2416,8 @@ mwl8k_set_caps(struct ieee80211_hw *hw, + if (caps & MWL8K_CAP_MIMO) + mwl8k_set_ht_caps(hw, &priv->band_50, caps); + } ++ ++ priv->caps = caps; + } + + static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) |