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Unified Diff: chromeos/compat-wireless/net/wireless/reg.c

Issue 5326002: Update compat-wireless to 2.6.36-5-spn (Closed) Base URL: http://git.chromium.org/git/kernel.git@master
Patch Set: Fixes for !ACK handling, missing local changes, log message fixes Created 10 years ago
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Index: chromeos/compat-wireless/net/wireless/reg.c
diff --git a/chromeos/compat-wireless/net/wireless/reg.c b/chromeos/compat-wireless/net/wireless/reg.c
index f180db0de66cbc2163ce3dab641b46cb647226d2..fbe45484c7db2ad780725648574e4da8d02f397c 100644
--- a/chromeos/compat-wireless/net/wireless/reg.c
+++ b/chromeos/compat-wireless/net/wireless/reg.c
@@ -723,7 +723,9 @@ EXPORT_SYMBOL(freq_reg_info);
* on the wiphy with the target_bw specified. Then we can simply use
* that below for the desired_bw_khz below.
*/
-static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
+static void handle_channel(struct wiphy *wiphy,
+ enum nl80211_reg_initiator initiator,
+ enum ieee80211_band band,
unsigned int chan_idx)
{
int r;
@@ -751,8 +753,26 @@ static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
desired_bw_khz,
&reg_rule);
- if (r)
+ if (r) {
+ /*
+ * We will disable all channels that do not match our
+ * recieved regulatory rule unless the hint is coming
+ * from a Country IE and the Country IE had no information
+ * about a band. The IEEE 802.11 spec allows for an AP
+ * to send only a subset of the regulatory rules allowed,
+ * so an AP in the US that only supports 2.4 GHz may only send
+ * a country IE with information for the 2.4 GHz band
+ * while 5 GHz is still supported.
+ */
+ if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+ r == -ERANGE)
+ return;
+
+ REG_DBG_PRINT("cfg80211: Disabling freq %d MHz\n",
+ chan->center_freq);
+ chan->flags = IEEE80211_CHAN_DISABLED;
return;
+ }
power_rule = &reg_rule->power_rule;
freq_range = &reg_rule->freq_range;
@@ -787,7 +807,9 @@ static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp);
}
-static void handle_band(struct wiphy *wiphy, enum ieee80211_band band)
+static void handle_band(struct wiphy *wiphy,
+ enum ieee80211_band band,
+ enum nl80211_reg_initiator initiator)
{
unsigned int i;
struct ieee80211_supported_band *sband;
@@ -796,7 +818,7 @@ static void handle_band(struct wiphy *wiphy, enum ieee80211_band band)
sband = wiphy->bands[band];
for (i = 0; i < sband->n_channels; i++)
- handle_channel(wiphy, band, i);
+ handle_channel(wiphy, initiator, band, i);
}
static bool ignore_reg_update(struct wiphy *wiphy,
@@ -812,6 +834,7 @@ static bool ignore_reg_update(struct wiphy *wiphy,
* desired regulatory domain set
*/
if (wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY && !wiphy->regd &&
+ initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
!is_world_regdom(last_request->alpha2))
return true;
return false;
@@ -1033,7 +1056,7 @@ void wiphy_update_regulatory(struct wiphy *wiphy,
goto out;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
if (wiphy->bands[band])
- handle_band(wiphy, band);
+ handle_band(wiphy, band, initiator);
}
out:
reg_process_beacons(wiphy);
@@ -1170,7 +1193,7 @@ static int ignore_request(struct wiphy *wiphy,
return 0;
return -EALREADY;
}
- return REG_INTERSECT;
+ return 0;
case NL80211_REGDOM_SET_BY_DRIVER:
if (last_request->initiator == NL80211_REGDOM_SET_BY_CORE) {
if (regdom_changes(pending_request->alpha2))

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