aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/iwlegacy/common.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlegacy/common.h')
-rw-r--r--drivers/net/wireless/iwlegacy/common.h159
1 files changed, 96 insertions, 63 deletions
diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h
index b4bb813362b..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
****************************************************/
@@ -1829,29 +1831,21 @@ int il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd);
* PCI *
*****************************************************/
-static inline u16
-il_pcie_link_ctl(struct il_priv *il)
-{
- u16 pci_lnk_ctl;
- pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &pci_lnk_ctl);
- return pci_lnk_ctl;
-}
-
void il_bg_watchdog(unsigned long data);
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
@@ -1939,10 +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);
@@ -1976,15 +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)
@@ -2241,9 +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;
}
@@ -2268,6 +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;
@@ -2275,8 +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
@@ -2287,8 +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
@@ -2434,10 +2472,6 @@ struct il_tfd {
/* PCI registers */
#define PCI_CFG_RETRY_TIMEOUT 0x041
-/* PCI register values */
-#define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01
-#define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02
-
struct il_rate_info {
u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */
u8 plcp_siso; /* uCode API: RATE_SISO_6M_PLCP, etc. */
@@ -2850,13 +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
@@ -2868,8 +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
@@ -2877,11 +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;
@@ -2919,9 +2953,8 @@ do { \
#define IL_DBG(level, fmt, args...) \
do { \
if (il_get_debug_level(il) & level) \
- dev_printk(KERN_ERR, &il->hw->wiphy->dev, \
- "%c %s " fmt, in_interrupt() ? 'I' : 'U', \
- __func__ , ## args); \
+ dev_err(&il->hw->wiphy->dev, "%c %s " fmt, \
+ in_interrupt() ? 'I' : 'U', __func__ , ##args); \
} while (0)
#define il_print_hex_dump(il, level, p, len) \