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Code Issues Releases Wiki Activity

cfg80211: processing core regulatory hints on its own

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This makes the code path easier to read for the core case.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
[add warning to default case in switch to avoid compile warning]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Luis R. Rodriguez 2013-11-05 09:18:03 -08:00 committed by Johannes Berg
parent e438768ff9
commit b3eb7f3f59
1 changed files with 44 additions and 2 deletions
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46
net/wireless/reg.c
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@ -1337,7 +1337,7 @@ get_reg_request_treatment(struct wiphy *wiphy,
switch (pending_request->initiator) {
case NL80211_REGDOM_SET_BY_CORE:
return REG_REQ_OK;
return REG_REQ_IGNORE;
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
if (reg_request_cell_base(lr)) {
/* Trust a Cell base station over the AP's country IE */
@ -1442,6 +1442,33 @@ static void reg_set_request_processed(void)
schedule_work(&reg_work);
}
/**
* reg_process_hint_core - process core regulatory requests
* @pending_request: a pending core regulatory request
*
* The wireless subsystem can use this function to process
* a regulatory request issued by the regulatory core.
*
* Returns one of the different reg request treatment values.
*/
static enum reg_request_treatment
reg_process_hint_core(struct regulatory_request *core_request)
{
struct regulatory_request *lr;
lr = get_last_request();
if (lr != &core_request_world && lr)
kfree_rcu(lr, rcu_head);
core_request->intersect = false;
core_request->processed = false;
rcu_assign_pointer(last_request, core_request);
if (call_crda(core_request->alpha2))
return REG_REQ_IGNORE;
return REG_REQ_OK;
}
/**
* __regulatory_hint - hint to the wireless core a regulatory domain
* @wiphy: if the hint comes from country information from an AP, this
@ -1540,6 +1567,7 @@ __regulatory_hint(struct wiphy *wiphy,
static void reg_process_hint(struct regulatory_request *reg_request)
{
struct wiphy *wiphy = NULL;
enum reg_request_treatment treatment;
if (WARN_ON(!reg_request->alpha2))
return;
@ -1552,7 +1580,21 @@ static void reg_process_hint(struct regulatory_request *reg_request)
return;
}
switch (__regulatory_hint(wiphy, reg_request)) {
switch (reg_request->initiator) {
case NL80211_REGDOM_SET_BY_CORE:
reg_process_hint_core(reg_request);
return;
case NL80211_REGDOM_SET_BY_USER:
case NL80211_REGDOM_SET_BY_DRIVER:
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
treatment = __regulatory_hint(wiphy, reg_request);
break;
default:
WARN(1, "invalid initiator %d\n", reg_request->initiator);
return;
}
switch (treatment) {
case REG_REQ_ALREADY_SET:
/* This is required so that the orig_* parameters are saved */
if (wiphy && wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)