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647 lines
16 KiB
647 lines
16 KiB
/* |
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* Copyright (c) 2010-2011 Atheros Communications Inc. |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef HTC_H |
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#define HTC_H |
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|
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#include <linux/module.h> |
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#include <linux/usb.h> |
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#include <linux/firmware.h> |
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#include <linux/skbuff.h> |
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#include <linux/netdevice.h> |
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#include <linux/etherdevice.h> |
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#include <linux/leds.h> |
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#include <linux/slab.h> |
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#include <net/mac80211.h> |
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#include "common.h" |
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#include "htc_hst.h" |
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#include "hif_usb.h" |
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#include "wmi.h" |
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#define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ |
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#define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ |
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#define ATH_ANI_POLLINTERVAL 100 /* 100 ms */ |
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#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ |
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#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ |
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#define ATH_DEFAULT_BMISS_LIMIT 10 |
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#define TSF_TO_TU(_h, _l) \ |
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((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) |
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extern struct ieee80211_ops ath9k_htc_ops; |
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extern int htc_modparam_nohwcrypt; |
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#ifdef CONFIG_MAC80211_LEDS |
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extern int ath9k_htc_led_blink; |
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#endif |
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enum htc_phymode { |
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HTC_MODE_11NA = 0, |
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HTC_MODE_11NG = 1 |
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}; |
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enum htc_opmode { |
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HTC_M_STA = 1, |
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HTC_M_IBSS = 0, |
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HTC_M_AHDEMO = 3, |
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HTC_M_HOSTAP = 6, |
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HTC_M_MONITOR = 8, |
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HTC_M_WDS = 2 |
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}; |
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#define ATH9K_HTC_AMPDU 1 |
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#define ATH9K_HTC_NORMAL 2 |
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#define ATH9K_HTC_BEACON 3 |
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#define ATH9K_HTC_MGMT 4 |
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|
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#define ATH9K_HTC_TX_CTSONLY 0x1 |
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#define ATH9K_HTC_TX_RTSCTS 0x2 |
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struct tx_frame_hdr { |
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u8 data_type; |
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u8 node_idx; |
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u8 vif_idx; |
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u8 tidno; |
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__be32 flags; /* ATH9K_HTC_TX_* */ |
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u8 key_type; |
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u8 keyix; |
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u8 cookie; |
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u8 pad; |
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} __packed; |
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struct tx_mgmt_hdr { |
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u8 node_idx; |
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u8 vif_idx; |
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u8 tidno; |
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u8 flags; |
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u8 key_type; |
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u8 keyix; |
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u8 cookie; |
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u8 pad; |
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} __packed; |
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struct tx_beacon_header { |
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u8 vif_index; |
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u8 len_changed; |
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u16 rev; |
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} __packed; |
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#define MAX_TX_AMPDU_SUBFRAMES_9271 17 |
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#define MAX_TX_AMPDU_SUBFRAMES_7010 22 |
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struct ath9k_htc_cap_target { |
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__be32 ampdu_limit; |
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u8 ampdu_subframes; |
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u8 enable_coex; |
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u8 tx_chainmask; |
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u8 pad; |
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} __packed; |
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struct ath9k_htc_target_vif { |
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u8 index; |
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u8 opmode; |
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u8 myaddr[ETH_ALEN]; |
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u8 ath_cap; |
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__be16 rtsthreshold; |
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u8 pad; |
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} __packed; |
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struct ath9k_htc_target_sta { |
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u8 macaddr[ETH_ALEN]; |
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u8 bssid[ETH_ALEN]; |
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u8 sta_index; |
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u8 vif_index; |
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u8 is_vif_sta; |
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__be16 flags; |
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__be16 htcap; |
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__be16 maxampdu; |
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u8 pad; |
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} __packed; |
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struct ath9k_htc_target_aggr { |
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u8 sta_index; |
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u8 tidno; |
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u8 aggr_enable; |
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u8 padding; |
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} __packed; |
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#define ATH_HTC_RATE_MAX 30 |
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#define WLAN_RC_DS_FLAG 0x01 |
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#define WLAN_RC_40_FLAG 0x02 |
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#define WLAN_RC_SGI_FLAG 0x04 |
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#define WLAN_RC_HT_FLAG 0x08 |
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#define ATH_RC_TX_STBC_FLAG 0x20 |
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struct ath9k_htc_rateset { |
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u8 rs_nrates; |
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u8 rs_rates[ATH_HTC_RATE_MAX]; |
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}; |
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struct ath9k_htc_rate { |
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struct ath9k_htc_rateset legacy_rates; |
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struct ath9k_htc_rateset ht_rates; |
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} __packed; |
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struct ath9k_htc_target_rate { |
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u8 sta_index; |
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u8 isnew; |
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__be32 capflags; |
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struct ath9k_htc_rate rates; |
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}; |
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struct ath9k_htc_target_rate_mask { |
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u8 vif_index; |
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u8 band; |
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__be32 mask; |
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u16 pad; |
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} __packed; |
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struct ath9k_htc_target_int_stats { |
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__be32 rx; |
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__be32 rxorn; |
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__be32 rxeol; |
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__be32 txurn; |
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__be32 txto; |
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__be32 cst; |
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} __packed; |
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struct ath9k_htc_target_tx_stats { |
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__be32 xretries; |
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__be32 fifoerr; |
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__be32 filtered; |
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__be32 timer_exp; |
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__be32 shortretries; |
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__be32 longretries; |
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__be32 qnull; |
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__be32 encap_fail; |
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__be32 nobuf; |
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} __packed; |
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struct ath9k_htc_target_rx_stats { |
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__be32 nobuf; |
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__be32 host_send; |
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__be32 host_done; |
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} __packed; |
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#define ATH9K_HTC_MAX_VIF 2 |
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#define ATH9K_HTC_MAX_BCN_VIF 2 |
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#define INC_VIF(_priv, _type) do { \ |
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switch (_type) { \ |
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case NL80211_IFTYPE_STATION: \ |
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_priv->num_sta_vif++; \ |
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break; \ |
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case NL80211_IFTYPE_ADHOC: \ |
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_priv->num_ibss_vif++; \ |
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break; \ |
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case NL80211_IFTYPE_AP: \ |
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_priv->num_ap_vif++; \ |
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break; \ |
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case NL80211_IFTYPE_MESH_POINT: \ |
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_priv->num_mbss_vif++; \ |
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break; \ |
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default: \ |
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break; \ |
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} \ |
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} while (0) |
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#define DEC_VIF(_priv, _type) do { \ |
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switch (_type) { \ |
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case NL80211_IFTYPE_STATION: \ |
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_priv->num_sta_vif--; \ |
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break; \ |
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case NL80211_IFTYPE_ADHOC: \ |
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_priv->num_ibss_vif--; \ |
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break; \ |
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case NL80211_IFTYPE_AP: \ |
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_priv->num_ap_vif--; \ |
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break; \ |
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case NL80211_IFTYPE_MESH_POINT: \ |
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_priv->num_mbss_vif--; \ |
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break; \ |
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default: \ |
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break; \ |
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} \ |
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} while (0) |
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struct ath9k_htc_vif { |
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u8 index; |
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u16 seq_no; |
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bool beacon_configured; |
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int bslot; |
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__le64 tsfadjust; |
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}; |
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struct ath9k_vif_iter_data { |
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const u8 *hw_macaddr; |
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u8 mask[ETH_ALEN]; |
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}; |
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#define ATH9K_HTC_MAX_STA 8 |
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#define ATH9K_HTC_MAX_TID 8 |
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enum tid_aggr_state { |
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AGGR_STOP = 0, |
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AGGR_PROGRESS, |
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AGGR_START, |
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AGGR_OPERATIONAL |
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}; |
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struct ath9k_htc_sta { |
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u8 index; |
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enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID]; |
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struct work_struct rc_update_work; |
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struct ath9k_htc_priv *htc_priv; |
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}; |
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#define ATH9K_HTC_RXBUF 256 |
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#define HTC_RX_FRAME_HEADER_SIZE 40 |
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struct ath9k_htc_rxbuf { |
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bool in_process; |
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struct sk_buff *skb; |
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struct ath_htc_rx_status rxstatus; |
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struct list_head list; |
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}; |
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struct ath9k_htc_rx { |
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struct list_head rxbuf; |
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spinlock_t rxbuflock; |
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}; |
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#define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */ |
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#define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */ |
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#define ATH9K_HTC_TX_RESERVE 10 |
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#define ATH9K_HTC_TX_TIMEOUT_COUNT 40 |
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#define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE) |
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#define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0) |
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#define ATH9K_HTC_OP_TX_DRAIN BIT(1) |
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struct ath9k_htc_tx { |
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u8 flags; |
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int queued_cnt; |
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struct sk_buff_head mgmt_ep_queue; |
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struct sk_buff_head cab_ep_queue; |
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struct sk_buff_head data_be_queue; |
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struct sk_buff_head data_bk_queue; |
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struct sk_buff_head data_vi_queue; |
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struct sk_buff_head data_vo_queue; |
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struct sk_buff_head tx_failed; |
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DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM); |
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struct timer_list cleanup_timer; |
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spinlock_t tx_lock; |
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}; |
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struct ath9k_htc_tx_ctl { |
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u8 type; /* ATH9K_HTC_* */ |
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u8 epid; |
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u8 txok; |
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u8 sta_idx; |
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unsigned long timestamp; |
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}; |
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static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) |
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{ |
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struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); |
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BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) > |
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IEEE80211_TX_INFO_DRIVER_DATA_SIZE); |
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return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data; |
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} |
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#ifdef CONFIG_ATH9K_HTC_DEBUGFS |
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#define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) |
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#define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a) |
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#define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++) |
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#define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a) |
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#define CAB_STAT_INC priv->debug.tx_stats.cab_queued++ |
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#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) |
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void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, |
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struct ath_rx_status *rs); |
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struct ath_tx_stats { |
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u32 buf_queued; |
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u32 buf_completed; |
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u32 skb_queued; |
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u32 skb_success; |
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u32 skb_success_bytes; |
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u32 skb_failed; |
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u32 cab_queued; |
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u32 queue_stats[IEEE80211_NUM_ACS]; |
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}; |
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struct ath_skbrx_stats { |
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u32 skb_allocated; |
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u32 skb_completed; |
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u32 skb_completed_bytes; |
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u32 skb_dropped; |
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}; |
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struct ath9k_debug { |
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struct dentry *debugfs_phy; |
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struct ath_tx_stats tx_stats; |
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struct ath_rx_stats rx_stats; |
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struct ath_skbrx_stats skbrx_stats; |
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}; |
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void ath9k_htc_get_et_strings(struct ieee80211_hw *hw, |
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struct ieee80211_vif *vif, |
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u32 sset, u8 *data); |
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int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw, |
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struct ieee80211_vif *vif, int sset); |
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void ath9k_htc_get_et_stats(struct ieee80211_hw *hw, |
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struct ieee80211_vif *vif, |
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struct ethtool_stats *stats, u64 *data); |
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#else |
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#define TX_STAT_INC(c) do { } while (0) |
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#define TX_STAT_ADD(c, a) do { } while (0) |
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#define RX_STAT_INC(c) do { } while (0) |
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#define RX_STAT_ADD(c, a) do { } while (0) |
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#define CAB_STAT_INC do { } while (0) |
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#define TX_QSTAT_INC(c) do { } while (0) |
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static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, |
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struct ath_rx_status *rs) |
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{ |
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} |
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#endif /* CONFIG_ATH9K_HTC_DEBUGFS */ |
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#define ATH_LED_PIN_DEF 1 |
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#define ATH_LED_PIN_9287 10 |
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#define ATH_LED_PIN_9271 15 |
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#define ATH_LED_PIN_7010 12 |
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#define BSTUCK_THRESHOLD 10 |
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/* |
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* Adjust these when the max. no of beaconing interfaces is |
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* increased. |
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*/ |
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#define DEFAULT_SWBA_RESPONSE 40 /* in TUs */ |
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#define MIN_SWBA_RESPONSE 10 /* in TUs */ |
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struct htc_beacon { |
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enum { |
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OK, /* no change needed */ |
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UPDATE, /* update pending */ |
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COMMIT /* beacon sent, commit change */ |
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} updateslot; /* slot time update fsm */ |
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struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF]; |
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u32 bmisscnt; |
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u32 beaconq; |
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int slottime; |
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int slotupdate; |
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}; |
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struct ath_btcoex { |
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u32 bt_priority_cnt; |
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unsigned long bt_priority_time; |
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int bt_stomp_type; /* Types of BT stomping */ |
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u32 btcoex_no_stomp; |
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u32 btcoex_period; |
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u32 btscan_no_stomp; |
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}; |
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#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT |
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void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product); |
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void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv); |
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void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv); |
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#else |
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static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product) |
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{ |
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} |
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static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv) |
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{ |
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} |
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static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv) |
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{ |
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} |
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#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ |
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#define OP_BT_PRIORITY_DETECTED 3 |
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#define OP_BT_SCAN 4 |
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#define OP_TSF_RESET 6 |
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enum htc_op_flags { |
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HTC_FWFLAG_NO_RMW, |
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}; |
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struct ath9k_htc_priv { |
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struct device *dev; |
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struct ieee80211_hw *hw; |
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struct ath_hw *ah; |
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struct htc_target *htc; |
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struct wmi *wmi; |
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u16 fw_version_major; |
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u16 fw_version_minor; |
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enum htc_endpoint_id wmi_cmd_ep; |
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enum htc_endpoint_id beacon_ep; |
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enum htc_endpoint_id cab_ep; |
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enum htc_endpoint_id uapsd_ep; |
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enum htc_endpoint_id mgmt_ep; |
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enum htc_endpoint_id data_be_ep; |
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enum htc_endpoint_id data_bk_ep; |
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enum htc_endpoint_id data_vi_ep; |
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enum htc_endpoint_id data_vo_ep; |
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u8 vif_slot; |
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u8 mon_vif_idx; |
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u8 sta_slot; |
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u8 vif_sta_pos[ATH9K_HTC_MAX_VIF]; |
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u8 num_ibss_vif; |
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u8 num_mbss_vif; |
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u8 num_sta_vif; |
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u8 num_sta_assoc_vif; |
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u8 num_ap_vif; |
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u16 curtxpow; |
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u16 txpowlimit; |
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u16 nvifs; |
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u16 nstations; |
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bool rearm_ani; |
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bool reconfig_beacon; |
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unsigned int rxfilter; |
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unsigned long op_flags; |
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unsigned long fw_flags; |
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struct ath9k_hw_cal_data caldata; |
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struct ath_spec_scan_priv spec_priv; |
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spinlock_t beacon_lock; |
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struct ath_beacon_config cur_beacon_conf; |
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struct htc_beacon beacon; |
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struct ath9k_htc_rx rx; |
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struct ath9k_htc_tx tx; |
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struct tasklet_struct swba_tasklet; |
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struct tasklet_struct rx_tasklet; |
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struct delayed_work ani_work; |
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struct tasklet_struct tx_failed_tasklet; |
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struct work_struct ps_work; |
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struct work_struct fatal_work; |
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struct mutex htc_pm_lock; |
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unsigned long ps_usecount; |
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bool ps_enabled; |
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bool ps_idle; |
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|
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#ifdef CONFIG_MAC80211_LEDS |
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enum led_brightness brightness; |
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bool led_registered; |
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char led_name[32]; |
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struct led_classdev led_cdev; |
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struct work_struct led_work; |
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#endif |
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int cabq; |
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int hwq_map[IEEE80211_NUM_ACS]; |
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#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT |
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struct ath_btcoex btcoex; |
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#endif |
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struct delayed_work coex_period_work; |
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struct delayed_work duty_cycle_work; |
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#ifdef CONFIG_ATH9K_HTC_DEBUGFS |
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struct ath9k_debug debug; |
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#endif |
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struct mutex mutex; |
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struct ieee80211_vif *csa_vif; |
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}; |
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static inline void ath_read_cachesize(struct ath_common *common, int *csz) |
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{ |
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common->bus_ops->read_cachesize(common, csz); |
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} |
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void ath9k_htc_reset(struct ath9k_htc_priv *priv); |
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void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv, |
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struct ieee80211_vif *vif); |
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void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv, |
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struct ieee80211_vif *vif); |
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void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv, |
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struct ieee80211_vif *vif); |
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void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv); |
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void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, |
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struct ieee80211_vif *vif); |
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void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv); |
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void ath9k_htc_swba(struct ath9k_htc_priv *priv, |
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struct wmi_event_swba *swba); |
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|
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void ath9k_htc_rxep(void *priv, struct sk_buff *skb, |
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enum htc_endpoint_id ep_id); |
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void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id, |
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bool txok); |
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void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb, |
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enum htc_endpoint_id ep_id, bool txok); |
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int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv, |
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u8 enable_coex); |
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void ath9k_htc_ani_work(struct work_struct *work); |
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void ath9k_htc_start_ani(struct ath9k_htc_priv *priv); |
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void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv); |
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int ath9k_tx_init(struct ath9k_htc_priv *priv); |
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int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, |
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struct ieee80211_sta *sta, |
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struct sk_buff *skb, u8 slot, bool is_cab); |
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void ath9k_tx_cleanup(struct ath9k_htc_priv *priv); |
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bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype); |
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int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv); |
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int get_hw_qnum(u16 queue, int *hwq_map); |
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int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum, |
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struct ath9k_tx_queue_info *qinfo); |
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void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv); |
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void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv); |
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int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv); |
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void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot); |
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void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv); |
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void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event); |
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void ath9k_tx_failed_tasklet(struct tasklet_struct *t); |
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void ath9k_htc_tx_cleanup_timer(struct timer_list *t); |
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bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv); |
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|
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int ath9k_rx_init(struct ath9k_htc_priv *priv); |
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void ath9k_rx_cleanup(struct ath9k_htc_priv *priv); |
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void ath9k_host_rx_init(struct ath9k_htc_priv *priv); |
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void ath9k_rx_tasklet(struct tasklet_struct *t); |
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u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv); |
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|
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void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv); |
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void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv); |
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void ath9k_ps_work(struct work_struct *work); |
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bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, |
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enum ath9k_power_mode mode); |
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|
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void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv); |
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void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw); |
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|
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struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv); |
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|
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#ifdef CONFIG_MAC80211_LEDS |
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void ath9k_configure_leds(struct ath9k_htc_priv *priv); |
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void ath9k_init_leds(struct ath9k_htc_priv *priv); |
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void ath9k_deinit_leds(struct ath9k_htc_priv *priv); |
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void ath9k_led_work(struct work_struct *work); |
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#else |
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static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv) |
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{ |
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} |
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|
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static inline void ath9k_init_leds(struct ath9k_htc_priv *priv) |
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{ |
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} |
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|
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static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv) |
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{ |
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} |
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|
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static inline void ath9k_led_work(struct work_struct *work) |
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{ |
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} |
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#endif |
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int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, |
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u16 devid, char *product, u32 drv_info); |
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void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug); |
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#ifdef CONFIG_PM |
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void ath9k_htc_suspend(struct htc_target *htc_handle); |
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int ath9k_htc_resume(struct htc_target *htc_handle); |
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#endif |
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#ifdef CONFIG_ATH9K_HTC_DEBUGFS |
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int ath9k_htc_init_debug(struct ath_hw *ah); |
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void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv); |
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#else |
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static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; }; |
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static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv) |
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{ |
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} |
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#endif /* CONFIG_ATH9K_HTC_DEBUGFS */ |
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#endif /* HTC_H */
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