diff options
| author | Shaul Triebitz <shaul.triebitz@intel.com> | 2017-12-10 17:11:38 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2017-12-20 18:28:25 +0200 |
| commit | 09f1ee8cc1fc59f6795550f378e57e204698ed65 (patch) | |
| tree | 7033d73d5744311a94ffbb2ba19e71f626937b9b /drivers/net/wireless/intel/iwlwifi | |
| parent | dad3340fd988173aa79afb03941416c85f82ac0c (diff) | |
iwlwifi: mvm: send the low latency command
Recently a new command was added to the firmware
for setting a MAC's low-latency mode. Use it.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h | 19 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 24 |
2 files changed, 42 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h b/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h index ec42c84e5df2..17c7ef1662a9 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h @@ -68,6 +68,10 @@ */ enum iwl_mac_conf_subcmd_ids { /** + * @LOW_LATENCY_CMD: &struct iwl_mac_low_latency_cmd + */ + LOW_LATENCY_CMD = 0x3, + /** * @CHANNEL_SWITCH_NOA_NOTIF: &struct iwl_channel_switch_noa_notif */ CHANNEL_SWITCH_NOA_NOTIF = 0xFF, @@ -82,4 +86,19 @@ struct iwl_channel_switch_noa_notif { __le32 id_and_color; } __packed; /* CHANNEL_SWITCH_START_NTFY_API_S_VER_1 */ +/** + * struct iwl_mac_low_latency_cmd - set/clear mac to 'low-latency mode' + * + * @mac_id: MAC ID to whom to apply the low-latency configurations + * @low_latency_rx: 1/0 to set/clear Rx low latency direction + * @low_latency_tx: 1/0 to set/clear Tx low latency direction + * @reserved: reserved for alignment purposes + */ +struct iwl_mac_low_latency_cmd { + __le32 mac_id; + u8 low_latency_rx; + u8 low_latency_tx; + __le16 reserved; +} __packed; /* MAC_LOW_LATENCY_API_S_VER_1 */ + #endif /* __iwl_fw_api_mac_cfg_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index b2e9a79d4186..2fead5eb63fe 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -1032,12 +1032,34 @@ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int res; + bool low_latency; lockdep_assert_held(&mvm->mutex); - if (iwl_mvm_vif_low_latency(mvmvif) == prev) + low_latency = iwl_mvm_vif_low_latency(mvmvif); + + if (low_latency == prev) return 0; + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_DYNAMIC_QUOTA)) { + struct iwl_mac_low_latency_cmd cmd = { + .mac_id = cpu_to_le32(mvmvif->id) + }; + + if (low_latency) { + /* currently we don't care about the direction */ + cmd.low_latency_rx = 1; + cmd.low_latency_tx = 1; + } + res = iwl_mvm_send_cmd_pdu(mvm, + iwl_cmd_id(LOW_LATENCY_CMD, + MAC_CONF_GROUP, 0), + 0, sizeof(cmd), &cmd); + if (res) + IWL_ERR(mvm, "Failed to send low latency command\n"); + } + res = iwl_mvm_update_quotas(mvm, false, NULL); if (res) return res; |