diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/common.h')
| -rw-r--r-- | drivers/net/wireless/iwlegacy/common.h | 142 |
1 files changed, 94 insertions, 48 deletions
diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h index a9a569f432f..ea5c0f863c4 100644 --- a/drivers/net/wireless/iwlegacy/common.h +++ b/drivers/net/wireless/iwlegacy/common.h @@ -541,10 +541,6 @@ struct il_frame { struct list_head list; }; -#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) -#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) -#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) - enum { CMD_SYNC = 0, CMD_SIZE_NORMAL = 0, @@ -862,9 +858,9 @@ struct il_hw_params { * il4965_mac_ <-- mac80211 callback * ****************************************************************************/ -extern void il4965_update_chain_flags(struct il_priv *il); +void il4965_update_chain_flags(struct il_priv *il); extern const u8 il_bcast_addr[ETH_ALEN]; -extern int il_queue_space(const struct il_queue *q); +int il_queue_space(const struct il_queue *q); static inline int il_queue_used(const struct il_queue *q, int i) { @@ -1127,6 +1123,7 @@ struct il_power_mgr { struct il_powertable_cmd sleep_cmd_next; int debug_sleep_level_override; bool pci_pm; + bool ps_disabled; }; struct il_priv { @@ -1303,6 +1300,8 @@ struct il_priv { /* queue refcounts */ #define IL_MAX_HW_QUEUES 32 unsigned long queue_stopped[BITS_TO_LONGS(IL_MAX_HW_QUEUES)]; +#define IL_STOP_REASON_PASSIVE 0 + unsigned long stop_reason; /* for each AC */ atomic_t queue_stop_count[4]; @@ -1356,6 +1355,7 @@ struct il_priv { struct { struct il_rx_phy_res last_phy_res; bool last_phy_res_valid; + u32 ampdu_ref; struct completion firmware_loading_complete; @@ -1598,7 +1598,7 @@ struct il_mod_params { int disable_hw_scan; /* def: 0 = use h/w scan */ int num_of_queues; /* def: HW dependent */ int disable_11n; /* def: 0 = 11n capabilities enabled */ - int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */ + int amsdu_size_8K; /* def: 0 = disable 8K amsdu size */ int antenna; /* def: 0 = both antennas (use diversity) */ int restart_fw; /* def: 1 = restart firmware */ }; @@ -1723,11 +1723,13 @@ void il_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum nl80211_iftype newtype, bool newp2p); +void il_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u32 queues, bool drop); int il_alloc_txq_mem(struct il_priv *il); void il_free_txq_mem(struct il_priv *il); #ifdef CONFIG_IWLEGACY_DEBUGFS -extern void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len); +void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len); #else static inline void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) @@ -1760,12 +1762,12 @@ void il_chswitch_done(struct il_priv *il, bool is_success); /***************************************************** * TX ******************************************************/ -extern void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq); -extern int il_tx_queue_init(struct il_priv *il, u32 txq_id); -extern void il_tx_queue_reset(struct il_priv *il, u32 txq_id); -extern void il_tx_queue_unmap(struct il_priv *il, int txq_id); -extern void il_tx_queue_free(struct il_priv *il, int txq_id); -extern void il_setup_watchdog(struct il_priv *il); +void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq); +int il_tx_queue_init(struct il_priv *il, u32 txq_id); +void il_tx_queue_reset(struct il_priv *il, u32 txq_id); +void il_tx_queue_unmap(struct il_priv *il, int txq_id); +void il_tx_queue_free(struct il_priv *il, int txq_id); +void il_setup_watchdog(struct il_priv *il); /***************************************************** * TX power ****************************************************/ @@ -1834,16 +1836,16 @@ u32 il_usecs_to_beacons(struct il_priv *il, u32 usec, u32 beacon_interval); __le32 il_add_beacon_time(struct il_priv *il, u32 base, u32 addon, u32 beacon_interval); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP extern const struct dev_pm_ops il_pm_ops; #define IL_LEGACY_PM_OPS (&il_pm_ops) -#else /* !CONFIG_PM */ +#else /* !CONFIG_PM_SLEEP */ #define IL_LEGACY_PM_OPS NULL -#endif /* !CONFIG_PM */ +#endif /* !CONFIG_PM_SLEEP */ /***************************************************** * Error Handling Debugging @@ -1931,10 +1933,10 @@ il_is_ready_rf(struct il_priv *il) return il_is_ready(il); } -extern void il_send_bt_config(struct il_priv *il); -extern int il_send_stats_request(struct il_priv *il, u8 flags, bool clear); -extern void il_apm_stop(struct il_priv *il); -extern void _il_apm_stop(struct il_priv *il); +void il_send_bt_config(struct il_priv *il); +int il_send_stats_request(struct il_priv *il, u8 flags, bool clear); +void il_apm_stop(struct il_priv *il); +void _il_apm_stop(struct il_priv *il); int il_apm_init(struct il_priv *il); @@ -1968,15 +1970,29 @@ void il_tx_cmd_protection(struct il_priv *il, struct ieee80211_tx_info *info, irqreturn_t il_isr(int irq, void *data); -extern void il_set_bit(struct il_priv *p, u32 r, u32 m); -extern void il_clear_bit(struct il_priv *p, u32 r, u32 m); -extern bool _il_grab_nic_access(struct il_priv *il); -extern int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout); -extern int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout); -extern u32 il_rd_prph(struct il_priv *il, u32 reg); -extern void il_wr_prph(struct il_priv *il, u32 addr, u32 val); -extern u32 il_read_targ_mem(struct il_priv *il, u32 addr); -extern void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val); +void il_set_bit(struct il_priv *p, u32 r, u32 m); +void il_clear_bit(struct il_priv *p, u32 r, u32 m); +bool _il_grab_nic_access(struct il_priv *il); +int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout); +int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout); +u32 il_rd_prph(struct il_priv *il, u32 reg); +void il_wr_prph(struct il_priv *il, u32 addr, u32 val); +u32 il_read_targ_mem(struct il_priv *il, u32 addr); +void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val); + +static inline bool il_need_reclaim(struct il_priv *il, struct il_rx_pkt *pkt) +{ + /* Reclaim a command buffer only if this packet is a response + * to a (driver-originated) command. If the packet (e.g. Rx frame) + * originated from uCode, there is no command buffer to reclaim. + * Ucode should set SEQ_RX_FRAME bit if ucode-originated, but + * apparently a few don't get set; catch them here. + */ + return !(pkt->hdr.sequence & SEQ_RX_FRAME) && + pkt->hdr.cmd != N_STATS && pkt->hdr.cmd != C_TX && + pkt->hdr.cmd != N_RX_PHY && pkt->hdr.cmd != N_RX && + pkt->hdr.cmd != N_RX_MPDU && pkt->hdr.cmd != N_COMPRESSED_BA; +} static inline void _il_write8(struct il_priv *il, u32 ofs, u8 val) @@ -2233,9 +2249,8 @@ il_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) return -EINVAL; } - desc->v_addr = - dma_alloc_coherent(&pci_dev->dev, desc->len, &desc->p_addr, - GFP_KERNEL); + desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len, + &desc->p_addr, GFP_KERNEL); return (desc->v_addr != NULL) ? 0 : -ENOMEM; } @@ -2260,6 +2275,19 @@ il_set_swq_id(struct il_tx_queue *txq, u8 ac, u8 hwq) } static inline void +_il_wake_queue(struct il_priv *il, u8 ac) +{ + if (atomic_dec_return(&il->queue_stop_count[ac]) <= 0) + ieee80211_wake_queue(il->hw, ac); +} + +static inline void +_il_stop_queue(struct il_priv *il, u8 ac) +{ + if (atomic_inc_return(&il->queue_stop_count[ac]) > 0) + ieee80211_stop_queue(il->hw, ac); +} +static inline void il_wake_queue(struct il_priv *il, struct il_tx_queue *txq) { u8 queue = txq->swq_id; @@ -2267,8 +2295,7 @@ il_wake_queue(struct il_priv *il, struct il_tx_queue *txq) u8 hwq = (queue >> 2) & 0x1f; if (test_and_clear_bit(hwq, il->queue_stopped)) - if (atomic_dec_return(&il->queue_stop_count[ac]) <= 0) - ieee80211_wake_queue(il->hw, ac); + _il_wake_queue(il, ac); } static inline void @@ -2279,8 +2306,27 @@ il_stop_queue(struct il_priv *il, struct il_tx_queue *txq) u8 hwq = (queue >> 2) & 0x1f; if (!test_and_set_bit(hwq, il->queue_stopped)) - if (atomic_inc_return(&il->queue_stop_count[ac]) > 0) - ieee80211_stop_queue(il->hw, ac); + _il_stop_queue(il, ac); +} + +static inline void +il_wake_queues_by_reason(struct il_priv *il, int reason) +{ + u8 ac; + + if (test_and_clear_bit(reason, &il->stop_reason)) + for (ac = 0; ac < 4; ac++) + _il_wake_queue(il, ac); +} + +static inline void +il_stop_queues_by_reason(struct il_priv *il, int reason) +{ + u8 ac; + + if (!test_and_set_bit(reason, &il->stop_reason)) + for (ac = 0; ac < 4; ac++) + _il_stop_queue(il, ac); } #ifdef ieee80211_stop_queue @@ -2838,13 +2884,13 @@ il4965_first_antenna(u8 mask) * The specific throughput table used is based on the type of network * the associated with, including A, B, G, and G w/ TGG protection */ -extern void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); +void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); /* Initialize station's rate scaling information after adding station */ -extern void il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, - u8 sta_id); -extern void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, - u8 sta_id); +void il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, + u8 sta_id); +void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, + u8 sta_id); /** * il_rate_control_register - Register the rate control algorithm callbacks @@ -2856,8 +2902,8 @@ extern void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, * ieee80211_register_hw * */ -extern int il4965_rate_control_register(void); -extern int il3945_rate_control_register(void); +int il4965_rate_control_register(void); +int il3945_rate_control_register(void); /** * il_rate_control_unregister - Unregister the rate control callbacks @@ -2865,11 +2911,11 @@ extern int il3945_rate_control_register(void); * This should be called after calling ieee80211_unregister_hw, but before * the driver is unloaded. */ -extern void il4965_rate_control_unregister(void); -extern void il3945_rate_control_unregister(void); +void il4965_rate_control_unregister(void); +void il3945_rate_control_unregister(void); -extern int il_power_update_mode(struct il_priv *il, bool force); -extern void il_power_initialize(struct il_priv *il); +int il_power_update_mode(struct il_priv *il, bool force); +void il_power_initialize(struct il_priv *il); extern u32 il_debug_level; |