From c799ba6eab7a1bf02792e2ced933be3ae5f8daa2 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 11 Dec 2015 15:31:10 +0100 Subject: [PATCH] cfg80211: remove CFG80211_REG_DEBUG Instead of having this Kconfig option, which just *floods* the kernel log, * remove the per-channel prints that are fairly useless anyway * convert the conditional printing to pr_debug() Signed-off-by: Johannes Berg --- net/wireless/Kconfig | 13 ----- net/wireless/reg.c | 122 ++++++++++++------------------------------- 2 files changed, 34 insertions(+), 101 deletions(-) diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index da72ed32f143..ec3bf30dd526 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -61,19 +61,6 @@ config CFG80211_DEVELOPER_WARNINGS on it (or mac80211). -config CFG80211_REG_DEBUG - bool "cfg80211 regulatory debugging" - depends on CFG80211 - default n - ---help--- - You can enable this if you want to debug regulatory changes. - For more information on cfg80211 regulatory refer to the wireless - wiki: - - http://wireless.kernel.org/en/developers/Regulatory - - If unsure, say N. - config CFG80211_CERTIFICATION_ONUS bool "cfg80211 certification onus" depends on CFG80211 && EXPERT diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 3b0ce1c484a3..bc76b281ed3a 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -60,13 +60,6 @@ #include "regdb.h" #include "nl80211.h" -#ifdef CONFIG_CFG80211_REG_DEBUG -#define REG_DBG_PRINT(format, args...) \ - printk(KERN_DEBUG pr_fmt(format), ##args) -#else -#define REG_DBG_PRINT(args...) -#endif - /* * Grace period we give before making sure all current interfaces reside on * channels allowed by the current regulatory domain. @@ -178,12 +171,10 @@ enum nl80211_dfs_regions reg_get_dfs_region(struct wiphy *wiphy) if (wiphy_regd->dfs_region == regd->dfs_region) goto out; - REG_DBG_PRINT("%s: device specific dfs_region " - "(%s) disagrees with cfg80211's " - "central dfs_region (%s)\n", - dev_name(&wiphy->dev), - reg_dfs_region_str(wiphy_regd->dfs_region), - reg_dfs_region_str(regd->dfs_region)); + pr_debug("%s: device specific dfs_region (%s) disagrees with cfg80211's central dfs_region (%s)\n", + dev_name(&wiphy->dev), + reg_dfs_region_str(wiphy_regd->dfs_region), + reg_dfs_region_str(regd->dfs_region)); out: return regd->dfs_region; @@ -541,7 +532,7 @@ static DECLARE_DELAYED_WORK(crda_timeout, crda_timeout_work); static void crda_timeout_work(struct work_struct *work) { - REG_DBG_PRINT("Timeout while waiting for CRDA to reply, restoring regulatory settings\n"); + pr_debug("Timeout while waiting for CRDA to reply, restoring regulatory settings\n"); rtnl_lock(); reg_crda_timeouts++; restore_regulatory_settings(true); @@ -583,7 +574,7 @@ static int call_crda(const char *alpha2) if (!is_world_regdom((char *) alpha2)) pr_debug("Calling CRDA for country: %c%c\n", - alpha2[0], alpha2[1]); + alpha2[0], alpha2[1]); else pr_debug("Calling CRDA to update world regulatory domain\n"); @@ -1130,42 +1121,6 @@ const char *reg_initiator_name(enum nl80211_reg_initiator initiator) } EXPORT_SYMBOL(reg_initiator_name); -static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd, - struct ieee80211_channel *chan, - const struct ieee80211_reg_rule *reg_rule) -{ -#ifdef CONFIG_CFG80211_REG_DEBUG - const struct ieee80211_power_rule *power_rule; - const struct ieee80211_freq_range *freq_range; - char max_antenna_gain[32], bw[32]; - - power_rule = ®_rule->power_rule; - freq_range = ®_rule->freq_range; - - if (!power_rule->max_antenna_gain) - snprintf(max_antenna_gain, sizeof(max_antenna_gain), "N/A"); - else - snprintf(max_antenna_gain, sizeof(max_antenna_gain), "%d mBi", - power_rule->max_antenna_gain); - - if (reg_rule->flags & NL80211_RRF_AUTO_BW) - snprintf(bw, sizeof(bw), "%d KHz, %d KHz AUTO", - freq_range->max_bandwidth_khz, - reg_get_max_bandwidth(regd, reg_rule)); - else - snprintf(bw, sizeof(bw), "%d KHz", - freq_range->max_bandwidth_khz); - - REG_DBG_PRINT("Updating information on frequency %d MHz with regulatory rule:\n", - chan->center_freq); - - REG_DBG_PRINT("(%d KHz - %d KHz @ %s), (%s, %d mBm)\n", - freq_range->start_freq_khz, freq_range->end_freq_khz, - bw, max_antenna_gain, - power_rule->max_eirp); -#endif -} - static uint32_t reg_rule_to_chan_bw_flags(const struct ieee80211_regdomain *regd, const struct ieee80211_reg_rule *reg_rule, const struct ieee80211_channel *chan) @@ -1240,20 +1195,19 @@ static void handle_channel(struct wiphy *wiphy, if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && request_wiphy && request_wiphy == wiphy && request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { - REG_DBG_PRINT("Disabling freq %d MHz for good\n", - chan->center_freq); + pr_debug("Disabling freq %d MHz for good\n", + chan->center_freq); chan->orig_flags |= IEEE80211_CHAN_DISABLED; chan->flags = chan->orig_flags; } else { - REG_DBG_PRINT("Disabling freq %d MHz\n", - chan->center_freq); + pr_debug("Disabling freq %d MHz\n", + chan->center_freq); chan->flags |= IEEE80211_CHAN_DISABLED; } return; } regd = reg_get_regdomain(wiphy); - chan_reg_rule_print_dbg(regd, chan, reg_rule); power_rule = ®_rule->power_rule; bw_flags = reg_rule_to_chan_bw_flags(regd, reg_rule, chan); @@ -1391,18 +1345,15 @@ static bool ignore_reg_update(struct wiphy *wiphy, return true; if (!lr) { - REG_DBG_PRINT("Ignoring regulatory request set by %s " - "since last_request is not set\n", - reg_initiator_name(initiator)); + pr_debug("Ignoring regulatory request set by %s since last_request is not set\n", + reg_initiator_name(initiator)); return true; } if (initiator == NL80211_REGDOM_SET_BY_CORE && wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) { - REG_DBG_PRINT("Ignoring regulatory request set by %s " - "since the driver uses its own custom " - "regulatory domain\n", - reg_initiator_name(initiator)); + pr_debug("Ignoring regulatory request set by %s since the driver uses its own custom regulatory domain\n", + reg_initiator_name(initiator)); return true; } @@ -1413,10 +1364,8 @@ static bool ignore_reg_update(struct wiphy *wiphy, if (wiphy_strict_alpha2_regd(wiphy) && !wiphy->regd && initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && !is_world_regdom(lr->alpha2)) { - REG_DBG_PRINT("Ignoring regulatory request set by %s " - "since the driver requires its own regulatory " - "domain to be set first\n", - reg_initiator_name(initiator)); + pr_debug("Ignoring regulatory request set by %s since the driver requires its own regulatory domain to be set first\n", + reg_initiator_name(initiator)); return true; } @@ -1697,7 +1646,7 @@ static void reg_check_chans_work(struct work_struct *work) { struct cfg80211_registered_device *rdev; - REG_DBG_PRINT("Verifying active interfaces after reg change\n"); + pr_debug("Verifying active interfaces after reg change\n"); rtnl_lock(); list_for_each_entry(rdev, &cfg80211_rdev_list, list) @@ -1779,8 +1728,8 @@ static void handle_channel_custom(struct wiphy *wiphy, } if (IS_ERR(reg_rule)) { - REG_DBG_PRINT("Disabling freq %d MHz as custom regd has no rule that fits it\n", - chan->center_freq); + pr_debug("Disabling freq %d MHz as custom regd has no rule that fits it\n", + chan->center_freq); if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) { chan->flags |= IEEE80211_CHAN_DISABLED; } else { @@ -1790,8 +1739,6 @@ static void handle_channel_custom(struct wiphy *wiphy, return; } - chan_reg_rule_print_dbg(regd, chan, reg_rule); - power_rule = ®_rule->power_rule; bw_flags = reg_rule_to_chan_bw_flags(regd, reg_rule, chan); @@ -2522,7 +2469,7 @@ static void restore_alpha2(char *alpha2, bool reset_user) if (is_user_regdom_saved()) { /* Unless we're asked to ignore it and reset it */ if (reset_user) { - REG_DBG_PRINT("Restoring regulatory settings including user preference\n"); + pr_debug("Restoring regulatory settings including user preference\n"); user_alpha2[0] = '9'; user_alpha2[1] = '7'; @@ -2532,24 +2479,24 @@ static void restore_alpha2(char *alpha2, bool reset_user) * back as they were for a full restore. */ if (!is_world_regdom(ieee80211_regdom)) { - REG_DBG_PRINT("Keeping preference on module parameter ieee80211_regdom: %c%c\n", - ieee80211_regdom[0], ieee80211_regdom[1]); + pr_debug("Keeping preference on module parameter ieee80211_regdom: %c%c\n", + ieee80211_regdom[0], ieee80211_regdom[1]); alpha2[0] = ieee80211_regdom[0]; alpha2[1] = ieee80211_regdom[1]; } } else { - REG_DBG_PRINT("Restoring regulatory settings while preserving user preference for: %c%c\n", - user_alpha2[0], user_alpha2[1]); + pr_debug("Restoring regulatory settings while preserving user preference for: %c%c\n", + user_alpha2[0], user_alpha2[1]); alpha2[0] = user_alpha2[0]; alpha2[1] = user_alpha2[1]; } } else if (!is_world_regdom(ieee80211_regdom)) { - REG_DBG_PRINT("Keeping preference on module parameter ieee80211_regdom: %c%c\n", - ieee80211_regdom[0], ieee80211_regdom[1]); + pr_debug("Keeping preference on module parameter ieee80211_regdom: %c%c\n", + ieee80211_regdom[0], ieee80211_regdom[1]); alpha2[0] = ieee80211_regdom[0]; alpha2[1] = ieee80211_regdom[1]; } else - REG_DBG_PRINT("Restoring regulatory settings\n"); + pr_debug("Restoring regulatory settings\n"); } static void restore_custom_reg_settings(struct wiphy *wiphy) @@ -2661,14 +2608,14 @@ static void restore_regulatory_settings(bool reset_user) list_splice_tail_init(&tmp_reg_req_list, ®_requests_list); spin_unlock(®_requests_lock); - REG_DBG_PRINT("Kicking the queue\n"); + pr_debug("Kicking the queue\n"); schedule_work(®_work); } void regulatory_hint_disconnect(void) { - REG_DBG_PRINT("All devices are disconnected, going to restore regulatory settings\n"); + pr_debug("All devices are disconnected, going to restore regulatory settings\n"); restore_regulatory_settings(false); } @@ -2716,10 +2663,10 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy, if (!reg_beacon) return -ENOMEM; - REG_DBG_PRINT("Found new beacon on frequency: %d MHz (Ch %d) on %s\n", - beacon_chan->center_freq, - ieee80211_frequency_to_channel(beacon_chan->center_freq), - wiphy_name(wiphy)); + pr_debug("Found new beacon on frequency: %d MHz (Ch %d) on %s\n", + beacon_chan->center_freq, + ieee80211_frequency_to_channel(beacon_chan->center_freq), + wiphy_name(wiphy)); memcpy(®_beacon->chan, beacon_chan, sizeof(struct ieee80211_channel)); @@ -2798,8 +2745,7 @@ bool reg_supported_dfs_region(enum nl80211_dfs_regions dfs_region) case NL80211_DFS_JP: return true; default: - REG_DBG_PRINT("Ignoring uknown DFS master region: %d\n", - dfs_region); + pr_debug("Ignoring uknown DFS master region: %d\n", dfs_region); return false; } } -- 2.20.1