From: Daniel Gabay <daniel.gabay@xxxxxxxxx> This is useful for debug instead of looking for the hex value. Signed-off-by: Daniel Gabay <daniel.gabay@xxxxxxxxx> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/mvm/link.c | 57 ++++++++++++++++--- drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 2 + 2 files changed, 50 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c index 7c8cfa72b8bb..42949537da54 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c @@ -5,6 +5,34 @@ #include "mvm.h" #include "time-event.h" +#define HANDLE_ESR_REASONS(HOW) \ + HOW(BLOCKED_PREVENTION) \ + HOW(BLOCKED_WOWLAN) \ + HOW(BLOCKED_TPT) \ + HOW(BLOCKED_FW) \ + HOW(BLOCKED_NON_BSS) \ + HOW(EXIT_MISSED_BEACON) \ + HOW(EXIT_LOW_RSSI) \ + HOW(EXIT_COEX) \ + HOW(EXIT_BANDWIDTH) \ + HOW(EXIT_CSA) + +static const char *const iwl_mvm_esr_states_names[] = { +#define NAME_ENTRY(x) [ilog2(IWL_MVM_ESR_##x)] = #x, + HANDLE_ESR_REASONS(NAME_ENTRY) +}; + +static const char *iwl_get_esr_state_string(enum iwl_mvm_esr_state state) +{ + int offs = ilog2(state); + + if (offs >= ARRAY_SIZE(iwl_mvm_esr_states_names) || + !iwl_mvm_esr_states_names[offs]) + return "UNKNOWN"; + + return iwl_mvm_esr_states_names[offs]; +} + static u32 iwl_mvm_get_free_fw_link_id(struct iwl_mvm *mvm, struct iwl_mvm_vif *mvm_vif) { @@ -680,10 +708,16 @@ iwl_mvm_esr_disallowed_with_link(struct ieee80211_vif *vif, if (conf->csa_active) ret |= IWL_MVM_ESR_EXIT_CSA; +#define NAME_FMT(x) "%s" +#define NAME_PR(x) (ret & IWL_MVM_ESR_##x) ? "[" #x "]" : "", + if (ret) IWL_DEBUG_INFO(mvm, - "Link %d is not allowed for esr. Reason: 0x%x\n", - link->link_id, ret); + "Link %d is not allowed for esr. reason = " + HANDLE_ESR_REASONS(NAME_FMT) " (0x%x)\n", + link->link_id, + HANDLE_ESR_REASONS(NAME_PR) + ret); return ret; } @@ -903,8 +937,9 @@ static bool iwl_mvm_check_esr_prevention(struct iwl_mvm *mvm, IWL_MVM_ESR_PREVENT_LONG; IWL_DEBUG_INFO(mvm, - "Preventing EMLSR for %ld seconds due to %u exits with the reason 0x%x\n", - delay / HZ, mvmvif->exit_same_reason_count, reason); + "Preventing EMLSR for %ld seconds due to %u exits with the reason = %s (0x%x)\n", + delay / HZ, mvmvif->exit_same_reason_count, + iwl_get_esr_state_string(reason), reason); wiphy_delayed_work_queue(mvm->hw->wiphy, &mvmvif->prevent_esr_done_wk, delay); @@ -936,8 +971,9 @@ void iwl_mvm_exit_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, new_active_links = BIT(link_to_keep); IWL_DEBUG_INFO(mvm, - "Exiting EMLSR. Reason = 0x%x. Current active links=0x%x, new active links = 0x%x\n", - reason, vif->active_links, new_active_links); + "Exiting EMLSR. reason = %s (0x%x). Current active links=0x%x, new active links = 0x%x\n", + iwl_get_esr_state_string(reason), reason, + vif->active_links, new_active_links); ieee80211_set_active_links_async(vif, new_active_links); @@ -975,8 +1011,9 @@ void iwl_mvm_block_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return; if (!(mvmvif->esr_disable_reason & reason)) - IWL_DEBUG_INFO(mvm, "Blocking EMLSR mode. reason = 0x%x\n", - reason); + IWL_DEBUG_INFO(mvm, + "Blocking EMLSR mode. reason = %s (0x%x)\n", + iwl_get_esr_state_string(reason), reason); mvmvif->esr_disable_reason |= reason; @@ -1061,7 +1098,9 @@ void iwl_mvm_unblock_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (!(mvmvif->esr_disable_reason & reason)) return; - IWL_DEBUG_INFO(mvm, "Unblocking EMLSR mode. reason = 0x%x\n", reason); + IWL_DEBUG_INFO(mvm, + "Unblocking EMLSR mode. reason = %s (0x%x)\n", + iwl_get_esr_state_string(reason), reason); mvmvif->esr_disable_reason &= ~reason; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 115aa1ad970e..56467b9de7f1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -353,6 +353,8 @@ struct iwl_mvm_vif_link_info { * For the blocking reasons - use iwl_mvm_(un)block_esr(), and for the exit * reasons - use iwl_mvm_exit_esr(). * + * Note: new reasons shall be added to HANDLE_ESR_REASONS as well (for logs) + * * @IWL_MVM_ESR_BLOCKED_PREVENTION: Prevent EMLSR to avoid entering and exiting * in a loop. * @IWL_MVM_ESR_BLOCKED_WOWLAN: WOWLAN is preventing the enablement of EMLSR -- 2.34.1