From: Finn Behrens me@kloenk.dev
[ Upstream commit 1eda919126b420fee6b8d546f7f728fbbd4b8f11 ]
Reload the regdom when the regulatory db is reloaded. Otherwise, the user had to change the regulatoy domain to a different one and then reset it to the correct one to have a new regulatory db take effect after a reload.
Signed-off-by: Finn Behrens fin@nyantec.com Link: https://lore.kernel.org/r/YaIIZfxHgqc/UTA7@gimli.kloenk.dev [edit commit message] Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- include/net/regulatory.h | 1 + net/wireless/reg.c | 27 +++++++++++++++++++++++++-- 2 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/include/net/regulatory.h b/include/net/regulatory.h index 47f06f6f5a67c..0cf9335431e07 100644 --- a/include/net/regulatory.h +++ b/include/net/regulatory.h @@ -83,6 +83,7 @@ struct regulatory_request { enum nl80211_dfs_regions dfs_region; bool intersect; bool processed; + bool reload; enum environment_cap country_ie_env; struct list_head list; }; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index a04fdfb35f070..341c88972aed1 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -133,6 +133,7 @@ static u32 reg_is_indoor_portid;
static void restore_regulatory_settings(bool reset_user, bool cached); static void print_regdomain(const struct ieee80211_regdomain *rd); +static void reg_process_hint(struct regulatory_request *reg_request);
static const struct ieee80211_regdomain *get_cfg80211_regdom(void) { @@ -1079,6 +1080,8 @@ int reg_reload_regdb(void) const struct firmware *fw; void *db; int err; + const struct ieee80211_regdomain *current_regdomain; + struct regulatory_request *request;
err = request_firmware(&fw, "regulatory.db", ®_pdev->dev); if (err) @@ -1099,8 +1102,27 @@ int reg_reload_regdb(void) if (!IS_ERR_OR_NULL(regdb)) kfree(regdb); regdb = db; - rtnl_unlock();
+ /* reset regulatory domain */ + current_regdomain = get_cfg80211_regdom(); + + request = kzalloc(sizeof(*request), GFP_KERNEL); + if (!request) { + err = -ENOMEM; + goto out_unlock; + } + + request->wiphy_idx = WIPHY_IDX_INVALID; + request->alpha2[0] = current_regdomain->alpha2[0]; + request->alpha2[1] = current_regdomain->alpha2[1]; + request->initiator = NL80211_USER_REG_HINT_USER; + request->user_reg_hint_type = NL80211_USER_REG_HINT_USER; + request->reload = true; + + reg_process_hint(request); + +out_unlock: + rtnl_unlock(); out: release_firmware(fw); return err; @@ -2657,7 +2679,8 @@ reg_process_hint_user(struct regulatory_request *user_request)
treatment = __reg_process_hint_user(user_request); if (treatment == REG_REQ_IGNORE || - treatment == REG_REQ_ALREADY_SET) + (treatment == REG_REQ_ALREADY_SET && + !user_request->reload)) return REG_REQ_IGNORE;
user_request->intersect = treatment == REG_REQ_INTERSECT;