diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h | 93 |
1 files changed, 80 insertions, 13 deletions
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 ba3f0bbddde8..4144623e1616 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h @@ -6,6 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2016 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -136,17 +137,32 @@ enum iwl_tx_pm_timeouts { PM_FRAME_ASSOC = 3, }; -/* - * TX command security control - */ -#define TX_CMD_SEC_WEP 0x01 -#define TX_CMD_SEC_CCM 0x02 -#define TX_CMD_SEC_TKIP 0x03 -#define TX_CMD_SEC_EXT 0x04 #define TX_CMD_SEC_MSK 0x07 #define TX_CMD_SEC_WEP_KEY_IDX_POS 6 #define TX_CMD_SEC_WEP_KEY_IDX_MSK 0xc0 -#define TX_CMD_SEC_KEY128 0x08 + +/** + * enum iwl_tx_cmd_sec_ctrl - bitmasks for security control in TX command + * @TX_CMD_SEC_WEP: WEP encryption algorithm. + * @TX_CMD_SEC_CCM: CCM encryption algorithm. + * @TX_CMD_SEC_TKIP: TKIP encryption algorithm. + * @TX_CMD_SEC_EXT: extended cipher algorithm. + * @TX_CMD_SEC_GCMP: GCMP encryption algorithm. + * @TX_CMD_SEC_KEY128: set for 104 bits WEP key. + * @TC_CMD_SEC_KEY_FROM_TABLE: for a non-WEP key, set if the key should be taken + * from the table instead of from the TX command. + * If the key is taken from the key table its index should be given by the + * first byte of the TX command key field. + */ +enum iwl_tx_cmd_sec_ctrl { + TX_CMD_SEC_WEP = 0x01, + TX_CMD_SEC_CCM = 0x02, + TX_CMD_SEC_TKIP = 0x03, + TX_CMD_SEC_EXT = 0x04, + TX_CMD_SEC_GCMP = 0x05, + TX_CMD_SEC_KEY128 = 0x08, + TC_CMD_SEC_KEY_FROM_TABLE = 0x08, +}; /* TODO: how does these values are OK with only 16 bit variable??? */ /* @@ -193,11 +209,41 @@ enum iwl_tx_pm_timeouts { #define IWL_BAR_DFAULT_RETRY_LIMIT 60 #define IWL_LOW_RETRY_LIMIT 7 +/** + * enum iwl_tx_offload_assist_flags_pos - set %iwl_tx_cmd offload_assist values + * @TX_CMD_OFFLD_IP_HDR_OFFSET: offset to start of IP header (in words) + * from mac header end. For normal case it is 4 words for SNAP. + * note: tx_cmd, mac header and pad are not counted in the offset. + * This is used to help the offload in case there is tunneling such as + * IPv6 in IPv4, in such case the ip header offset should point to the + * inner ip header and IPv4 checksum of the external header should be + * calculated by driver. + * @TX_CMD_OFFLD_L4_EN: enable TCP/UDP checksum + * @TX_CMD_OFFLD_L3_EN: enable IP header checksum + * @TX_CMD_OFFLD_MH_SIZE: size of the mac header in words. Includes the IV + * field. Doesn't include the pad. + * @TX_CMD_OFFLD_PAD: mark 2-byte pad was inserted after the mac header for + * alignment + * @TX_CMD_OFFLD_AMSDU: mark TX command is A-MSDU + */ +enum iwl_tx_offload_assist_flags_pos { + TX_CMD_OFFLD_IP_HDR = 0, + TX_CMD_OFFLD_L4_EN = 6, + TX_CMD_OFFLD_L3_EN = 7, + TX_CMD_OFFLD_MH_SIZE = 8, + TX_CMD_OFFLD_PAD = 13, + TX_CMD_OFFLD_AMSDU = 14, +}; + +#define IWL_TX_CMD_OFFLD_MH_MASK 0x1f +#define IWL_TX_CMD_OFFLD_IP_HDR_MASK 0x3f + /* TODO: complete documentation for try_cnt and btkill_cnt */ /** * struct iwl_tx_cmd - TX command struct to FW * ( TX_CMD = 0x1c ) * @len: in bytes of the payload, see below for details + * @offload_assist: TX offload configuration * @tx_flags: combination of TX_CMD_FLG_* * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is * cleared. Combination of RATE_MCS_* @@ -231,7 +277,7 @@ enum iwl_tx_pm_timeouts { */ struct iwl_tx_cmd { __le16 len; - __le16 next_frame_len; + __le16 offload_assist; __le32 tx_flags; struct { u8 try_cnt; @@ -255,7 +301,7 @@ struct iwl_tx_cmd { __le16 reserved4; u8 payload[0]; struct ieee80211_hdr hdr[0]; -} __packed; /* TX_CMD_API_S_VER_3 */ +} __packed; /* TX_CMD_API_S_VER_6 */ /* * TX response related data @@ -531,13 +577,32 @@ 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. + * @tim_idx: the offset of the tim IE in the beacon + * @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 { @@ -545,8 +610,10 @@ struct iwl_mac_beacon_cmd { __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; |