diff options
author | Kalle Valo <kvalo@codeaurora.org> | 2016-07-05 15:59:54 +0300 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2016-07-05 15:59:54 +0300 |
commit | df429195198e75cb0b67ce447606707a9bcc431e (patch) | |
tree | 4f8b840ce7139d9e33f19defa7d6a94fdd1b1aa1 | |
parent | 535633a5ba4ea2504fa6c33176633becf0e59339 (diff) | |
parent | 58035432d60616cc2ef6514a3d0e6d6ad01bf705 (diff) | |
download | talos-obmc-linux-df429195198e75cb0b67ce447606707a9bcc431e.tar.gz talos-obmc-linux-df429195198e75cb0b67ce447606707a9bcc431e.zip |
Merge tag 'iwlwifi-next-for-kalle-2016-07-01' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
* More work on the RX path for the 9000 device series
* Some more dynamic queue allocation work
* A few bugfixes and other improvements
25 files changed, 376 insertions, 107 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c index 37b32a6f60fd..591591418316 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c @@ -1317,6 +1317,7 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_DEF: case IWL_AMSDU_4K: trans_cfg.rx_buf_size = IWL_AMSDU_4K; break; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-9000.c b/drivers/net/wireless/intel/iwlwifi/iwl-9000.c index 3ac298fdd3cd..5c1e71fe45f3 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-9000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-9000.c @@ -178,6 +178,7 @@ const struct iwl_cfg iwl5165_2ac_cfg = { .nvm_ver = IWL9000_NVM_VERSION, .nvm_calib_ver = IWL9000_TX_POWER_VERSION, .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, + .integrated = true, }; MODULE_FIRMWARE(IWL9000_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index 4a0af7de82fd..57b14f4dcb89 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -319,6 +319,7 @@ struct iwl_pwr_tx_backoff { * @mq_rx_supported: multi-queue rx support * @vht_mu_mimo_supported: VHT MU-MIMO support * @rf_id: need to read rf_id to determine the firmware image + * @integrated: discrete or integrated * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -362,7 +363,8 @@ struct iwl_cfg { apmg_not_supported:1, mq_rx_supported:1, vht_mu_mimo_supported:1, - rf_id:1; + rf_id:1, + integrated:1; u8 valid_tx_ant; u8 valid_rx_ant; u8 non_shared_ant; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index b52913448c4a..871ad02fdb17 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -145,8 +145,10 @@ #define CSR_LED_REG (CSR_BASE+0x094) #define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) -#define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE+0x0A8) /* 6000 and up */ - +#define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE + 0x0A8) /* 6000 and up */ +#define CSR_MAC_SHADOW_REG_CTRL_RX_WAKE BIT(20) +#define CSR_MAC_SHADOW_REG_CTL2 (CSR_BASE + 0x0AC) +#define CSR_MAC_SHADOW_REG_CTL2_RX_WAKE 0xFFFF /* GIO Chicken Bits (PCI Express bus link power management) */ #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index f52ff75f6f80..292fc8b516b7 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1658,7 +1658,8 @@ MODULE_PARM_DESC(11n_disable, "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, S_IRUGO); -MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)"); +MODULE_PARM_DESC(amsdu_size, + "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)"); module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c index bf1b69aec813..3199d345b427 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c @@ -766,7 +766,9 @@ void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, if (cfg->ht_params->ldpc) ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; - if (iwlwifi_mod_params.amsdu_size >= IWL_AMSDU_8K) + if ((cfg->mq_rx_supported && + iwlwifi_mod_params.amsdu_size != IWL_AMSDU_4K) || + iwlwifi_mod_params.amsdu_size >= IWL_AMSDU_8K) ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; ht_info->ampdu_factor = cfg->max_ht_ampdu_exponent; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fh.h b/drivers/net/wireless/intel/iwlwifi/iwl-fh.h index 270f39ecd2d4..f08cdeef2d30 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-fh.h @@ -384,7 +384,9 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RFH_GEN_CFG 0xA09800 #define RFH_GEN_CFG_SERVICE_DMA_SNOOP BIT(0) #define RFH_GEN_CFG_RFH_DMA_SNOOP BIT(1) -#define RFH_GEN_CFG_RB_CHUNK_SIZE BIT(4) /* 0 - 64B, 1- 128B */ +#define RFH_GEN_CFG_RB_CHUNK_SIZE_POS 4 +#define RFH_GEN_CFG_RB_CHUNK_SIZE_128 1 +#define RFH_GEN_CFG_RB_CHUNK_SIZE_64 0 #define RFH_GEN_CFG_DEFAULT_RXQ_NUM_MASK 0xF00 #define RFH_GEN_CFG_DEFAULT_RXQ_NUM_POS 8 diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h index 37dc09e8b6a7..4018e65f6d43 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h @@ -301,7 +301,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_DC2DC_SUPPORT: supports DC2DC Command * @IWL_UCODE_TLV_CAPA_CSUM_SUPPORT: supports TCP Checksum Offload * @IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS: support radio and beacon statistics - * @IWL_UCODE_TLV_CAPA_P2P_STANDALONE_UAPSD: support p2p standalone U-APSD + * @IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD: supports U-APSD on p2p interface when it + * is standalone or with a BSS station interface in the same binding. * @IWL_UCODE_TLV_CAPA_BT_COEX_PLCR: enabled BT Coex packet level co-running * @IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC: ucode supports LAR updates with different * sources for the MCC. This TLV bit is a future replacement to @@ -312,6 +313,9 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE: extended DTS measurement * @IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS: supports short PM timeouts * @IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT: supports bt-coex Multi-priority LUT + * @IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD: the firmware supports CSA + * countdown offloading. Beacon notifications are not sent to the host. + * The fw also offloads TBTT alignment. * @IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION: firmware will decide on what * antenna the beacon should be transmitted * @IWL_UCODE_TLV_CAPA_BEACON_STORING: firmware will store the latest beacon @@ -347,7 +351,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_DC2DC_CONFIG_SUPPORT = (__force iwl_ucode_tlv_capa_t)19, IWL_UCODE_TLV_CAPA_CSUM_SUPPORT = (__force iwl_ucode_tlv_capa_t)21, IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS = (__force iwl_ucode_tlv_capa_t)22, - IWL_UCODE_TLV_CAPA_P2P_STANDALONE_UAPSD = (__force iwl_ucode_tlv_capa_t)26, + IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD = (__force iwl_ucode_tlv_capa_t)26, IWL_UCODE_TLV_CAPA_BT_COEX_PLCR = (__force iwl_ucode_tlv_capa_t)28, IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC = (__force iwl_ucode_tlv_capa_t)29, IWL_UCODE_TLV_CAPA_BT_COEX_RRC = (__force iwl_ucode_tlv_capa_t)30, @@ -356,6 +360,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS = (__force iwl_ucode_tlv_capa_t)65, IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT = (__force iwl_ucode_tlv_capa_t)67, IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT = (__force iwl_ucode_tlv_capa_t)68, + IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD = (__force iwl_ucode_tlv_capa_t)70, IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION = (__force iwl_ucode_tlv_capa_t)71, IWL_UCODE_TLV_CAPA_BEACON_STORING = (__force iwl_ucode_tlv_capa_t)72, IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2 = (__force iwl_ucode_tlv_capa_t)73, diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h index 6c5c2f9f73a2..0379899dc847 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h @@ -87,9 +87,10 @@ enum iwl_disable_11n { }; enum iwl_amsdu_size { - IWL_AMSDU_4K = 0, - IWL_AMSDU_8K = 1, - IWL_AMSDU_12K = 2, + IWL_AMSDU_DEF = 0, + IWL_AMSDU_4K = 1, + IWL_AMSDU_8K = 2, + IWL_AMSDU_12K = 3, }; enum iwl_uapsd_disable { @@ -105,7 +106,7 @@ enum iwl_uapsd_disable { * @sw_crypto: using hardware encryption, default = 0 * @disable_11n: disable 11n capabilities, default = 0, * use IWL_[DIS,EN]ABLE_HT_* constants - * @amsdu_size: enable 8K amsdu size, default = 4K. enum iwl_amsdu_size. + * @amsdu_size: See &enum iwl_amsdu_size. * @restart_fw: restart firmware, default = 1 * @bt_coex_active: enable bt coex, default = true * @led_mode: system default, default = 0 diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 21653fee806c..43f8f7d45ddb 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -397,6 +397,13 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, vht_cap->cap |= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN; switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_DEF: + if (cfg->mq_rx_supported) + vht_cap->cap |= + IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454; + else + vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895; + break; case IWL_AMSDU_4K: vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895; break; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 8193d36ae2dd..a45be1db179b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -211,6 +211,9 @@ struct iwl_cmd_header_wide { #define FH_RSCSR_FRAME_SIZE_MSK 0x00003FFF /* bits 0-13 */ #define FH_RSCSR_FRAME_INVALID 0x55550000 #define FH_RSCSR_FRAME_ALIGN 0x40 +#define FH_RSCSR_RPA_EN BIT(25) +#define FH_RSCSR_RXQ_POS 16 +#define FH_RSCSR_RXQ_MASK 0x3F0000 struct iwl_rx_packet { /* @@ -220,7 +223,13 @@ struct iwl_rx_packet { * 31: flag flush RB request * 30: flag ignore TC (terminal counter) request * 29: flag fast IRQ request - * 28-14: Reserved + * 28-26: Reserved + * 25: Offload enabled + * 24: RPF enabled + * 23: RSS enabled + * 22: Checksum enabled + * 21-16: RX queue + * 15-14: Reserved * 13-00: RX frame size */ __le32 len_n_flags; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h index 1ca8e4988b88..1994331593cf 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h @@ -336,6 +336,18 @@ enum iwl_rx_mpdu_reorder_data { IWL_RX_MPDU_REORDER_BA_OLD_SN = 0x80000000, }; +enum iwl_rx_mpdu_phy_info { + IWL_RX_MPDU_PHY_AMPDU = BIT(5), + IWL_RX_MPDU_PHY_AMPDU_TOGGLE = BIT(6), + IWL_RX_MPDU_PHY_SHORT_PREAMBLE = BIT(7), + IWL_RX_MPDU_PHY_TSF_OVERLOAD = BIT(8), +}; + +enum iwl_rx_mpdu_mac_info { + IWL_RX_MPDU_PHY_MAC_INDEX_MASK = 0x0f, + IWL_RX_MPDU_PHY_PHY_INDEX_MASK = 0xf0, +}; + struct iwl_rx_mpdu_desc { /* DW2 */ __le16 mpdu_len; @@ -343,9 +355,9 @@ struct iwl_rx_mpdu_desc { u8 mac_flags2; /* DW3 */ u8 amsdu_info; - __le16 reserved_for_software; + __le16 phy_info; u8 mac_phy_idx; - /* DW4 */ + /* DW4 - carries csum data only when rpa_en == 1 */ __le16 raw_csum; /* alledgedly unreliable */ __le16 l3l4_flags; /* DW5 */ @@ -354,17 +366,17 @@ struct iwl_rx_mpdu_desc { u8 sta_id_flags; /* DW6 */ __le32 reorder_data; - /* DW7 */ + /* DW7 - carries rss_hash only when rpa_en == 1 */ __le32 rss_hash; - /* DW8 */ + /* DW8 - carries filter_match only when rpa_en == 1 */ __le32 filter_match; /* DW9 */ __le32 rate_n_flags; /* DW10 */ - u8 energy_a, energy_b, channel, reserved; + u8 energy_a, energy_b, channel, mac_context; /* DW11 */ __le32 gp2_on_air_rise; - /* DW12 & DW13 */ + /* DW12 & DW13 - carries TSF only TSF_OVERLOAD bit == 0 */ __le64 tsf_on_air_rise; } __packed; @@ -435,26 +447,26 @@ struct iwl_rxq_sync_notification { } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */ /** -* Internal message identifier -* -* @IWL_MVM_RXQ_EMPTY: empty sync notification -* @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA -*/ + * Internal message identifier + * + * @IWL_MVM_RXQ_EMPTY: empty sync notification + * @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA + */ enum iwl_mvm_rxq_notif_type { IWL_MVM_RXQ_EMPTY, IWL_MVM_RXQ_NOTIF_DEL_BA, }; /** -* struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent -* in &iwl_rxq_sync_cmd. Should be DWORD aligned. -* FW is agnostic to the payload, so there are no endianity requirements. -* -* @type: value from &iwl_mvm_rxq_notif_type -* @sync: ctrl path is waiting for all notifications to be received -* @cookie: internal cookie to identify old notifications -* @data: payload -*/ + * struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent + * in &iwl_rxq_sync_cmd. Should be DWORD aligned. + * FW is agnostic to the payload, so there are no endianity requirements. + * + * @type: value from &iwl_mvm_rxq_notif_type + * @sync: ctrl path is waiting for all notifications to be received + * @cookie: internal cookie to identify old notifications + * @data: payload + */ struct iwl_mvm_internal_rxq_notif { u16 type; u16 sync; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h index dadcccd88255..ee59511323c1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h @@ -562,8 +562,8 @@ struct iwl_mvm_ba_notif { u8 reserved1; } __packed; -/* - * struct iwl_mac_beacon_cmd - beacon template command +/** + * struct iwl_mac_beacon_cmd_v6 - beacon template command * @tx: the tx commands associated with the beacon frame * @template_id: currently equal to the mac context id of the coresponding * mac. @@ -571,13 +571,34 @@ struct iwl_mvm_ba_notif { * @tim_size: the length of the tim IE * @frame: the template of the beacon frame */ +struct iwl_mac_beacon_cmd_v6 { + struct iwl_tx_cmd tx; + __le32 template_id; + __le32 tim_idx; + __le32 tim_size; + struct ieee80211_hdr frame[0]; +} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_6 */ + +/** + * struct iwl_mac_beacon_cmd - beacon template command with offloaded CSA + * @tx: the tx commands associated with the beacon frame + * @template_id: currently equal to the mac context id of the coresponding + * mac. + * @tim_idx: the offset of the tim IE in the beacon + * @tim_size: the length of the tim IE + * @ecsa_offset: offset to the ECSA IE if present + * @csa_offset: offset to the CSA IE if present + * @frame: the template of the beacon frame + */ struct iwl_mac_beacon_cmd { struct iwl_tx_cmd tx; __le32 template_id; __le32 tim_idx; __le32 tim_size; + __le32 ecsa_offset; + __le32 csa_offset; struct ieee80211_hdr frame[0]; -} __packed; +} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_7 */ struct iwl_beacon_notif { struct iwl_mvm_tx_resp beacon_notify_hdr; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h index 41b80ae2d5f8..b06380d8473b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h @@ -314,6 +314,7 @@ enum { enum iwl_mac_conf_subcmd_ids { LINK_QUALITY_MEASUREMENT_CMD = 0x1, LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF = 0xFE, + CHANNEL_SWITCH_NOA_NOTIF = 0xFF, }; enum iwl_phy_ops_subcmd_ids { @@ -732,7 +733,7 @@ enum iwl_time_event_type { /* P2P GO Events */ TE_P2P_GO_ASSOC_PROT, - TE_P2P_GO_REPETITIVE_NOA, + TE_P2P_GO_REPETITIVET_NOA, TE_P2P_GO_CT_WINDOW, /* WiDi Sync Events */ @@ -2111,4 +2112,13 @@ struct iwl_link_qual_msrmnt_notif { __le32 reserved[3]; } __packed; /* LQM_MEASUREMENT_COMPLETE_NTF_API_S_VER1 */ +/** + * Channel switch NOA notification + * + * @id_and_color: ID and color of the MAC + */ +struct iwl_channel_switch_noa_notif { + __le32 id_and_color; +} __packed; /* CHANNEL_SWITCH_START_NTFY_API_S_VER_1 */ + #endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 7aae068c02e5..69c42ce45b8a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1006,7 +1006,7 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_device(struct iwl_mvm *mvm, } static void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm, - struct iwl_mac_beacon_cmd *beacon_cmd, + struct iwl_mac_beacon_cmd_v6 *beacon_cmd, u8 *beacon, u32 frame_size) { u32 tim_idx; @@ -1030,6 +1030,23 @@ static void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm, } } +static u32 iwl_mvm_find_ie_offset(u8 *beacon, u8 eid, u32 frame_size) +{ + struct ieee80211_mgmt *mgmt = (void *)beacon; + const u8 *ie; + + if (WARN_ON_ONCE(frame_size <= (mgmt->u.beacon.variable - beacon))) + return 0; + + frame_size -= mgmt->u.beacon.variable - beacon; + + ie = cfg80211_find_ie(eid, mgmt->u.beacon.variable, frame_size); + if (!ie) + return 0; + + return ie - beacon; +} + static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct sk_buff *beacon) @@ -1039,7 +1056,10 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, .id = BEACON_TEMPLATE_CMD, .flags = CMD_ASYNC, }; - struct iwl_mac_beacon_cmd beacon_cmd = {}; + union { + struct iwl_mac_beacon_cmd_v6 beacon_cmd_v6; + struct iwl_mac_beacon_cmd beacon_cmd; + } u = {}; struct ieee80211_tx_info *info; u32 beacon_skb_len; u32 rate, tx_flags; @@ -1051,18 +1071,18 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, /* TODO: for now the beacon template id is set to be the mac context id. * Might be better to handle it as another resource ... */ - beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id); + u.beacon_cmd_v6.template_id = cpu_to_le32((u32)mvmvif->id); info = IEEE80211_SKB_CB(beacon); /* Set up TX command fields */ - beacon_cmd.tx.len = cpu_to_le16((u16)beacon_skb_len); - beacon_cmd.tx.sta_id = mvmvif->bcast_sta.sta_id; - beacon_cmd.tx.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); + u.beacon_cmd_v6.tx.len = cpu_to_le16((u16)beacon_skb_len); + u.beacon_cmd_v6.tx.sta_id = mvmvif->bcast_sta.sta_id; + u.beacon_cmd_v6.tx.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); tx_flags = TX_CMD_FLG_SEQ_CTL | TX_CMD_FLG_TSF; tx_flags |= iwl_mvm_bt_coex_tx_prio(mvm, (void *)beacon->data, info, 0) << TX_CMD_FLG_BT_PRIO_POS; - beacon_cmd.tx.tx_flags = cpu_to_le32(tx_flags); + u.beacon_cmd_v6.tx.tx_flags = cpu_to_le32(tx_flags); if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION)) { @@ -1071,7 +1091,7 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, mvm->mgmt_last_antenna_idx); } - beacon_cmd.tx.rate_n_flags = + u.beacon_cmd_v6.tx.rate_n_flags = cpu_to_le32(BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS); @@ -1079,20 +1099,37 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, rate = IWL_FIRST_OFDM_RATE; } else { rate = IWL_FIRST_CCK_RATE; - beacon_cmd.tx.rate_n_flags |= cpu_to_le32(RATE_MCS_CCK_MSK); + u.beacon_cmd_v6.tx.rate_n_flags |= + cpu_to_le32(RATE_MCS_CCK_MSK); } - beacon_cmd.tx.rate_n_flags |= + u.beacon_cmd_v6.tx.rate_n_flags |= cpu_to_le32(iwl_mvm_mac80211_idx_to_hwrate(rate)); /* Set up TX beacon command fields */ if (vif->type == NL80211_IFTYPE_AP) - iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd, + iwl_mvm_mac_ctxt_set_tim(mvm, &u.beacon_cmd_v6, beacon->data, beacon_skb_len); /* Submit command */ - cmd.len[0] = sizeof(beacon_cmd); - cmd.data[0] = &beacon_cmd; + + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD)) { + u.beacon_cmd.csa_offset = + cpu_to_le32(iwl_mvm_find_ie_offset(beacon->data, + WLAN_EID_CHANNEL_SWITCH, + beacon_skb_len)); + u.beacon_cmd.ecsa_offset = + cpu_to_le32(iwl_mvm_find_ie_offset(beacon->data, + WLAN_EID_EXT_CHANSWITCH_ANN, + beacon_skb_len)); + + cmd.len[0] = sizeof(u.beacon_cmd); + } else { + cmd.len[0] = sizeof(u.beacon_cmd_v6); + } + + cmd.data[0] = &u; cmd.dataflags[0] = 0; cmd.len[1] = beacon_skb_len; cmd.data[1] = beacon->data; @@ -1538,3 +1575,48 @@ void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, /* pass it as regular rx to mac80211 */ ieee80211_rx_napi(mvm->hw, NULL, skb, NULL); } + +void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_channel_switch_noa_notif *notif = (void *)pkt->data; + struct ieee80211_vif *csa_vif; + struct iwl_mvm_vif *mvmvif; + int len = iwl_rx_packet_payload_len(pkt); + u32 id_n_color; + + if (WARN_ON_ONCE(len < sizeof(*notif))) + return; + + rcu_read_lock(); + + csa_vif = rcu_dereference(mvm->csa_vif); + if (WARN_ON(!csa_vif || !csa_vif->csa_active)) + goto out_unlock; + + id_n_color = le32_to_cpu(notif->id_and_color); + + mvmvif = iwl_mvm_vif_from_mac80211(csa_vif); + if (WARN(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color) != id_n_color, + "channel switch noa notification on unexpected vif (csa_vif=%d, notif=%d)", + FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color), id_n_color)) + goto out_unlock; + + IWL_DEBUG_INFO(mvm, "Channel Switch Started Notification\n"); + + queue_delayed_work(system_wq, &mvm->cs_tx_unblock_dwork, + msecs_to_jiffies(IWL_MVM_CS_UNBLOCK_TX_TIMEOUT * + csa_vif->bss_conf.beacon_int)); + + ieee80211_csa_finish(csa_vif); + + rcu_read_unlock(); + + RCU_INIT_POINTER(mvm->csa_vif, NULL); + + return; + +out_unlock: + rcu_read_unlock(); +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index e5f267b21316..e5cb7dbcd05c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1199,6 +1199,7 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) flush_work(&mvm->async_handlers_wk); flush_work(&mvm->add_stream_wk); cancel_delayed_work_sync(&mvm->fw_dump_wk); + cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); iwl_mvm_free_fw_dump_desc(mvm); mutex_lock(&mvm->mutex); @@ -2360,7 +2361,7 @@ static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) return; - if (vif->p2p && !iwl_mvm_is_p2p_standalone_uapsd_supported(mvm)) { + if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; return; } @@ -3687,6 +3688,13 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, goto out_unlock; } + /* we still didn't unblock tx. prevent new CS meanwhile */ + if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, + lockdep_is_held(&mvm->mutex))) { + ret = -EBUSY; + goto out_unlock; + } + rcu_assign_pointer(mvm->csa_vif, vif); if (WARN_ONCE(mvmvif->csa_countdown, @@ -3695,6 +3703,8 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, goto out_unlock; } + mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; + break; case NL80211_IFTYPE_STATION: if (mvmvif->lqm_active) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index ffbd41dcc0d4..4b75b9226898 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -452,6 +452,7 @@ struct iwl_mvm_vif { /* Indicates that CSA countdown may be started */ bool csa_countdown; bool csa_failed; + u16 csa_target_freq; /* TCP Checksum Offload */ netdev_features_t features; @@ -731,6 +732,7 @@ struct iwl_mvm { struct iwl_sf_region sf_space; u32 ampdu_ref; + bool ampdu_toggle; struct iwl_notif_wait_data notif_wait; @@ -1006,6 +1008,8 @@ struct iwl_mvm { * clients. */ bool drop_bcn_ap_mode; + + struct delayed_work cs_tx_unblock_dwork; }; /* Extract MVM priv from op_mode and _hw */ @@ -1158,10 +1162,10 @@ static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) } static inline -bool iwl_mvm_is_p2p_standalone_uapsd_supported(struct iwl_mvm *mvm) +bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) { return fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_P2P_STANDALONE_UAPSD) && + IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && !(iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_P2P_CLIENT); } @@ -1321,7 +1325,6 @@ bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb); -void iwl_mvm_rx_phy_cmd_mq(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue); void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, @@ -1381,6 +1384,8 @@ void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, struct ieee80211_vif *vif); unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, struct ieee80211_vif *exclude_vif); +void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* Bindings */ int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index a68054f127fa..632b1dc552a0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -431,6 +431,7 @@ static const struct iwl_hcmd_names iwl_mvm_system_names[] = { static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { HCMD_NAME(LINK_QUALITY_MEASUREMENT_CMD), HCMD_NAME(LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF), + HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), }; /* Please keep this array *SORTED* by hex value. @@ -494,6 +495,29 @@ static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg) static void iwl_mvm_fw_error_dump_wk(struct work_struct *work); +static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) +{ + struct iwl_mvm *mvm = + container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); + struct ieee80211_vif *tx_blocked_vif; + struct iwl_mvm_vif *mvmvif; + + mutex_lock(&mvm->mutex); + + tx_blocked_vif = + rcu_dereference_protected(mvm->csa_tx_blocked_vif, + lockdep_is_held(&mvm->mutex)); + + if (!tx_blocked_vif) + goto unlock; + + mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); + iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); + RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); +unlock: + mutex_unlock(&mvm->mutex); +} + static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) @@ -595,6 +619,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); + INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); + /* * Populate the state variables that the transport layer needs * to know about. @@ -603,6 +629,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_DEF: case IWL_AMSDU_4K: trans_cfg.rx_buf_size = IWL_AMSDU_4K; break; @@ -617,6 +644,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwlwifi_mod_params.amsdu_size); trans_cfg.rx_buf_size = IWL_AMSDU_4K; } + + /* the hardware splits the A-MSDU */ + if (mvm->cfg->mq_rx_supported) + trans_cfg.rx_buf_size = IWL_AMSDU_4K; trans_cfg.wide_cmd_header = fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR); @@ -936,8 +967,6 @@ static void iwl_mvm_rx(struct iwl_op_mode *op_mode, if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); - else if (pkt->hdr.cmd == FRAME_RELEASE) - iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) iwl_mvm_rx_rx_phy_cmd(mvm, rxb); else @@ -953,11 +982,11 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); - else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) - iwl_mvm_rx_phy_cmd_mq(mvm, rxb); else if (unlikely(pkt->hdr.group_id == DATA_PATH_GROUP && pkt->hdr.cmd == RX_QUEUES_NOTIFICATION)) iwl_mvm_rx_queue_notif(mvm, rxb, 0); + else if (pkt->hdr.cmd == FRAME_RELEASE) + iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else iwl_mvm_rx_common(mvm, rxb, pkt); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/power.c b/drivers/net/wireless/intel/iwlwifi/mvm/power.c index 7b1f6ad6062b..ff85865b1dda 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/power.c @@ -308,7 +308,7 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, /* Allow U-APSD only if p2p is stand alone */ bool is_p2p_standalone = true; - if (!iwl_mvm_is_p2p_standalone_uapsd_supported(mvm)) + if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) return false; ieee80211_iterate_active_interfaces_atomic(mvm->hw, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index ab7f7eda9c13..6d096b6c3d50 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -354,13 +354,22 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, if (sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct ieee80211_vif *tx_blocked_vif = + rcu_dereference(mvm->csa_tx_blocked_vif); /* We have tx blocked stations (with CS bit). If we heard * frames from a blocked station on a new channel we can * TX to it again. */ - if (unlikely(mvm->csa_tx_block_bcn_timeout)) - iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false); + if (unlikely(tx_blocked_vif) && + mvmsta->vif == tx_blocked_vif) { + struct iwl_mvm_vif *mvmvif = + iwl_mvm_vif_from_mac80211(tx_blocked_vif); + + if (mvmvif->csa_target_freq == rx_status->freq) + iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, + false); + } rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index ac2c5718e454..d13397a17365 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -65,19 +65,6 @@ #include "fw-api.h" #include "fw-dbg.h" -void iwl_mvm_rx_phy_cmd_mq(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) -{ - mvm->ampdu_ref++; - -#ifdef CONFIG_IWLWIFI_DEBUGFS - if (mvm->last_phy_info.phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) { - spin_lock(&mvm->drv_stats_lock); - mvm->drv_rx_stats.ampdu_count++; - spin_unlock(&mvm->drv_stats_lock); - } -#endif -} - static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb, int queue, struct ieee80211_sta *sta) { @@ -587,6 +574,8 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, struct sk_buff *tail; u32 reorder = le32_to_cpu(desc->reorder_data); bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU; + bool last_subframe = + desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME; u8 tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; u8 sub_frame_idx = desc->amsdu_info & IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK; @@ -651,7 +640,8 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, /* release immediately if allowed by nssn and no stored frames */ if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) { if (iwl_mvm_is_sn_less(buffer->head_sn, nssn, - buffer->buf_size)) + buffer->buf_size) && + (!amsdu || last_subframe)) buffer->head_sn = nssn; /* No need to update AMSDU last SN - we are moving the head */ spin_unlock_bh(&buffer->lock); @@ -685,7 +675,20 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, buffer->last_sub_index = sub_frame_idx; } - iwl_mvm_release_frames(mvm, sta, napi, buffer, nssn); + /* + * We cannot trust NSSN for AMSDU sub-frames that are not the last. + * The reason is that NSSN advances on the first sub-frame, and may + * cause the reorder buffer to advance before all the sub-frames arrive. + * Example: reorder buffer contains SN 0 & 2, and we receive AMSDU with + * SN 1. NSSN for first sub frame will be 3 with the result of driver + * releasing SN 0,1, 2. When sub-frame 1 arrives - reorder buffer is + * already ahead and it will be dropped. + * If the last sub-frame is not on this queue - we will get frame + * release notification with up to date NSSN. + */ + if (!amsdu || last_subframe) + iwl_mvm_release_frames(mvm, sta, napi, buffer, nssn); + spin_unlock_bh(&buffer->lock); return true; @@ -734,6 +737,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, struct ieee80211_hdr *hdr = (void *)(pkt->data + sizeof(*desc)); u32 len = le16_to_cpu(desc->mpdu_len); u32 rate_n_flags = le32_to_cpu(desc->rate_n_flags); + u16 phy_info = le16_to_cpu(desc->phy_info); struct ieee80211_sta *sta = NULL; struct sk_buff *skb; u8 crypt_len = 0; @@ -764,16 +768,34 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, le16_to_cpu(desc->status)); rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; } - - rx_status->mactime = le64_to_cpu(desc->tsf_on_air_rise); + /* set the preamble flag if appropriate */ + if (phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE) + rx_status->flag |= RX_FLAG_SHORTPRE; + + if (likely(!(phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) { + rx_status->mactime = le64_to_cpu(desc->tsf_on_air_rise); + /* TSF as indicated by the firmware is at INA time */ + rx_status->flag |= RX_FLAG_MACTIME_PLCP_START; + } rx_status->device_timestamp = le32_to_cpu(desc->gp2_on_air_rise); rx_status->band = desc->channel > 14 ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ; rx_status->freq = ieee80211_channel_to_frequency(desc->channel, rx_status->band); iwl_mvm_get_signal_strength(mvm, desc, rx_status); - /* TSF as indicated by the firmware is at INA time */ - rx_status->flag |= RX_FLAG_MACTIME_PLCP_START; + + /* update aggregation data for monitor sake on default queue */ + if (!queue && (phy_info & IWL_RX_MPDU_PHY_AMPDU)) { + bool toggle_bit = phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE; + + rx_status->flag |= RX_FLAG_AMPDU_DETAILS; + rx_status->ampdu_reference = mvm->ampdu_ref; + /* toggle is switched whenever new aggregation starts */ + if (toggle_bit != mvm->ampdu_toggle) { + mvm->ampdu_ref++; + mvm->ampdu_toggle = toggle_bit; + } + } rcu_read_lock(); @@ -795,6 +817,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct ieee80211_vif *tx_blocked_vif = + rcu_dereference(mvm->csa_tx_blocked_vif); u8 baid = (u8)((le32_to_cpu(desc->reorder_data) & IWL_RX_MPDU_REORDER_BAID_MASK) >> IWL_RX_MPDU_REORDER_BAID_SHIFT); @@ -804,8 +828,15 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, * frames from a blocked station on a new channel we can * TX to it again. */ - if (unlikely(mvm->csa_tx_block_bcn_timeout)) - iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false); + if (unlikely(tx_blocked_vif) && + tx_blocked_vif == mvmsta->vif) { + struct iwl_mvm_vif *mvmvif = + iwl_mvm_vif_from_mac80211(tx_blocked_vif); + + if (mvmvif->csa_target_freq == rx_status->freq) + iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, + false); + } rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status); @@ -828,8 +859,6 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, iwl_mvm_fw_dbg_collect_trig(mvm, trig, NULL); } - /* TODO: multi queue TCM */ - if (ieee80211_is_data(hdr->frame_control)) iwl_mvm_rx_csum(sta, skb, desc); @@ -854,14 +883,6 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, iwl_mvm_agg_rx_received(mvm, baid); } - /* - * TODO: PHY info. - * Verify we don't have the information in the MPDU descriptor and - * that it is not needed. - * Make sure for monitor mode that we are on default queue, update - * ampdu_ref and the rest of phy info then - */ - /* Set up the HT phy flags */ switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { case RATE_MCS_CHAN_WIDTH_20: @@ -905,8 +926,18 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, rx_status->band); } - /* TODO: PHY info - update ampdu queue statistics (for debugfs) */ - /* TODO: PHY info - gscan */ + /* management stuff on default queue */ + if (!queue) { + if (unlikely((ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control)) && + mvm->sched_scan_pass_all == + SCHED_SCAN_PASS_ALL_ENABLED)) + mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND; + + if (unlikely(ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control))) + rx_status->boottime_ns = ktime_get_boot_ns(); + } iwl_mvm_create_skb(skb, hdr, len, crypt_len, rxb); if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc)) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index fea4d3437e2f..64b07b114d3c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -819,8 +819,9 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, if (iwl_mvm_has_new_rx_api(mvm)) kfree(mvm_sta->dup_data); - if (vif->type == NL80211_IFTYPE_STATION && - mvmvif->ap_sta_id == mvm_sta->sta_id) { + if ((vif->type == NL80211_IFTYPE_STATION && + mvmvif->ap_sta_id == mvm_sta->sta_id) || + iwl_mvm_is_dqa_supported(mvm)){ ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); if (ret) return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index de6974f9c52f..482836ee94f2 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -673,4 +673,6 @@ static inline int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) int iwl_pci_fw_exit_d0i3(struct iwl_trans *trans); int iwl_pci_fw_enter_d0i3(struct iwl_trans *trans); +void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable); + #endif /* __iwl_trans_int_pcie_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 0a4a3c502c3c..70e39e4ec0c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -211,12 +211,8 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans, if (trans->cfg->mq_rx_supported) iwl_write32(trans, RFH_Q_FRBDCB_WIDX_TRG(rxq->id), rxq->write_actual); - /* - * write to FH_RSCSR_CHNL0_WPTR register even in MQ as a W/A to - * hardware shadow registers bug - writing to RFH_Q_FRBDCB_WIDX will - * not wake the NIC. - */ - iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); + else + iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); } static void iwl_pcie_rxq_check_wrptr(struct iwl_trans *trans) @@ -764,6 +760,23 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq) iwl_set_bit(trans, CSR_INT_COALESCING, IWL_HOST_INT_OPER_MODE); } +void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable) +{ + /* + * Turn on the chicken-bits that cause MAC wakeup for RX-related + * values. + * This costs some power, but needed for W/A 9000 integrated A-step + * bug where shadow registers are not in the retention list and their + * value is lost when NIC powers down + */ + if (trans->cfg->integrated) { + iwl_set_bit(trans, CSR_MAC_SHADOW_REG_CTRL, + CSR_MAC_SHADOW_REG_CTRL_RX_WAKE); + iwl_set_bit(trans, CSR_MAC_SHADOW_REG_CTL2, + CSR_MAC_SHADOW_REG_CTL2_RX_WAKE); + } +} + static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -820,28 +833,30 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) /* * Enable Rx DMA - * Single frame mode * Rx buffer size 4 or 8k or 12k * Min RB size 4 or 8 * Drop frames that exceed RB size * 512 RBDs */ iwl_write_prph_no_grab(trans, RFH_RXF_DMA_CFG, - RFH_DMA_EN_ENABLE_VAL | - rb_size | RFH_RXF_DMA_SINGLE_FRAME_MASK | + RFH_DMA_EN_ENABLE_VAL | rb_size | RFH_RXF_DMA_MIN_RB_4_8 | RFH_RXF_DMA_DROP_TOO_LARGE_MASK | RFH_RXF_DMA_RBDCB_SIZE_512); /* * Activate DMA snooping. - * Set RX DMA chunk size to 64B + * Set RX DMA chunk size to 64B for IOSF and 128B for PCIe * Default queue is 0 */ iwl_write_prph_no_grab(trans, RFH_GEN_CFG, RFH_GEN_CFG_RFH_DMA_SNOOP | (DEFAULT_RXQ_NUM << RFH_GEN_CFG_DEFAULT_RXQ_NUM_POS) | - RFH_GEN_CFG_SERVICE_DMA_SNOOP); + RFH_GEN_CFG_SERVICE_DMA_SNOOP | + (trans->cfg->integrated ? + RFH_GEN_CFG_RB_CHUNK_SIZE_64 : + RFH_GEN_CFG_RB_CHUNK_SIZE_128) << + RFH_GEN_CFG_RB_CHUNK_SIZE_POS); /* Enable the relevant rx queues */ iwl_write_prph_no_grab(trans, RFH_RXF_RXQ_ACTIVE, enabled); @@ -849,6 +864,8 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) /* Set interrupt coalescing timer to default (2048 usecs) */ iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); + + iwl_pcie_enable_rx_wake(trans, true); } static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq) @@ -1087,6 +1104,9 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, if (pkt->len_n_flags == cpu_to_le32(FH_RSCSR_FRAME_INVALID)) break; + WARN_ON((le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_RXQ_MASK) >> + FH_RSCSR_RXQ_POS != rxq->id); + IWL_DEBUG_RX(trans, "cmd at offset %d: %s (0x%.2x, seq 0x%x)\n", rxcb._offset, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index f603d7830a6b..33fd2175e046 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1286,6 +1286,8 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test, iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + iwl_pcie_enable_rx_wake(trans, false); + if (reset) { /* * reset TX queues -- some of their registers reset during S3 @@ -1311,6 +1313,8 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, return 0; } + iwl_pcie_enable_rx_wake(trans, true); + /* * Also enables interrupts - none will happen as the device doesn't * know we're waking it up, only when the opmode actually tells it |