diff options
Diffstat (limited to 'drivers/staging/wilc1000/wilc_wlan.c')
| -rw-r--r-- | drivers/staging/wilc1000/wilc_wlan.c | 1542 |
1 files changed, 571 insertions, 971 deletions
diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c index c02665747705..83af51bb83e8 100644 --- a/drivers/staging/wilc1000/wilc_wlan.c +++ b/drivers/staging/wilc1000/wilc_wlan.c @@ -1,95 +1,15 @@ -/* ////////////////////////////////////////////////////////////////////////// */ -/* */ -/* Copyright (c) Atmel Corporation. All rights reserved. */ -/* */ -/* Module Name: wilc_wlan.c */ -/* */ -/* */ -/* //////////////////////////////////////////////////////////////////////////// */ - #include "wilc_wlan_if.h" +#include "wilc_wlan.h" #include "wilc_wfi_netdevice.h" #include "wilc_wlan_cfg.h" -/******************************************** - * - * Global - * - ********************************************/ -extern wilc_hif_func_t hif_sdio; -extern wilc_hif_func_t hif_spi; -u32 wilc_get_chipid(u8 update); - - - -typedef struct { - int quit; - - /** - * input interface functions - **/ - wilc_wlan_io_func_t io_func; - - /** - * host interface functions - **/ - wilc_hif_func_t hif_func; - - /** - * configuration interface functions - **/ - int cfg_frame_in_use; - wilc_cfg_frame_t cfg_frame; - u32 cfg_frame_offset; - int cfg_seq_no; - - /** - * RX buffer - **/ - #ifdef MEMORY_STATIC - u8 *rx_buffer; - u32 rx_buffer_offset; - #endif - /** - * TX buffer - **/ - u8 *tx_buffer; - u32 tx_buffer_offset; - - /** - * TX queue - **/ - - unsigned long txq_spinlock_flags; - - struct txq_entry_t *txq_head; - struct txq_entry_t *txq_tail; - int txq_entries; - int txq_exit; - - /** - * RX queue - **/ - struct rxq_entry_t *rxq_head; - struct rxq_entry_t *rxq_tail; - int rxq_entries; - int rxq_exit; - - -} wilc_wlan_dev_t; - -static wilc_wlan_dev_t g_wlan; - -static inline void chip_allow_sleep(void); -static inline void chip_wakeup(void); -/******************************************** - * - * Debug - * - ********************************************/ - +#ifdef WILC_OPTIMIZE_SLEEP_INT +static inline void chip_allow_sleep(struct wilc *wilc); +#endif +static inline void chip_wakeup(struct wilc *wilc); static u32 dbgflag = N_INIT | N_ERR | N_INTR | N_TXQ | N_RXQ; +/* FIXME: replace with dev_debug() */ static void wilc_debug(u32 flag, char *fmt, ...) { char buf[256]; @@ -100,244 +20,214 @@ static void wilc_debug(u32 flag, char *fmt, ...) vsprintf(buf, fmt, args); va_end(args); - linux_wlan_dbg(buf); + wilc_dbg(buf); } } -static CHIP_PS_STATE_T genuChipPSstate = CHIP_WAKEDUP; +static CHIP_PS_STATE_T chip_ps_state = CHIP_WAKEDUP; -/*acquire_bus() and release_bus() are made static inline functions*/ -/*as a temporary workaround to fix a problem of receiving*/ -/*unknown interrupt from FW*/ -static inline void acquire_bus(BUS_ACQUIRE_T acquire) +static inline void acquire_bus(struct wilc *wilc, BUS_ACQUIRE_T acquire) { - - mutex_lock(&g_linux_wlan->hif_cs); + mutex_lock(&wilc->hif_cs); #ifndef WILC_OPTIMIZE_SLEEP_INT - if (genuChipPSstate != CHIP_WAKEDUP) + if (chip_ps_state != CHIP_WAKEDUP) #endif { if (acquire == ACQUIRE_AND_WAKEUP) - chip_wakeup(); + chip_wakeup(wilc); } - } -static inline void release_bus(BUS_RELEASE_T release) + +static inline void release_bus(struct wilc *wilc, BUS_RELEASE_T release) { #ifdef WILC_OPTIMIZE_SLEEP_INT if (release == RELEASE_ALLOW_SLEEP) - chip_allow_sleep(); + chip_allow_sleep(wilc); #endif - mutex_unlock(&g_linux_wlan->hif_cs); + mutex_unlock(&wilc->hif_cs); } -/******************************************** - * - * Queue - * - ********************************************/ +#ifdef TCP_ACK_FILTER static void wilc_wlan_txq_remove(struct txq_entry_t *tqe) { - wilc_wlan_dev_t *p = &g_wlan; - if (tqe == p->txq_head) { - - p->txq_head = tqe->next; - if (p->txq_head) - p->txq_head->prev = NULL; - - - } else if (tqe == p->txq_tail) { - p->txq_tail = (tqe->prev); - if (p->txq_tail) - p->txq_tail->next = NULL; + if (tqe == wilc->txq_head) { + wilc->txq_head = tqe->next; + if (wilc->txq_head) + wilc->txq_head->prev = NULL; + } else if (tqe == wilc->txq_tail) { + wilc->txq_tail = (tqe->prev); + if (wilc->txq_tail) + wilc->txq_tail->next = NULL; } else { tqe->prev->next = tqe->next; tqe->next->prev = tqe->prev; } - p->txq_entries -= 1; - + wilc->txq_entries -= 1; } +#endif -static struct txq_entry_t *wilc_wlan_txq_remove_from_head(void) +static struct txq_entry_t * +wilc_wlan_txq_remove_from_head(struct net_device *dev) { struct txq_entry_t *tqe; - wilc_wlan_dev_t *p = &g_wlan; unsigned long flags; + struct wilc_vif *vif; + struct wilc *wilc; - spin_lock_irqsave(&g_linux_wlan->txq_spinlock, flags); - if (p->txq_head) { - tqe = p->txq_head; - p->txq_head = tqe->next; - if (p->txq_head) - p->txq_head->prev = NULL; - - p->txq_entries -= 1; - - + vif = netdev_priv(dev); + wilc = vif->wilc; + spin_lock_irqsave(&wilc->txq_spinlock, flags); + if (wilc->txq_head) { + tqe = wilc->txq_head; + wilc->txq_head = tqe->next; + if (wilc->txq_head) + wilc->txq_head->prev = NULL; + wilc->txq_entries -= 1; } else { tqe = NULL; } - spin_unlock_irqrestore(&g_linux_wlan->txq_spinlock, flags); + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); return tqe; } -static void wilc_wlan_txq_add_to_tail(struct txq_entry_t *tqe) +static void wilc_wlan_txq_add_to_tail(struct net_device *dev, + struct txq_entry_t *tqe) { - wilc_wlan_dev_t *p = &g_wlan; unsigned long flags; - spin_lock_irqsave(&g_linux_wlan->txq_spinlock, flags); + struct wilc_vif *vif; + struct wilc *wilc; + + vif = netdev_priv(dev); + wilc = vif->wilc; - if (p->txq_head == NULL) { + spin_lock_irqsave(&wilc->txq_spinlock, flags); + + if (!wilc->txq_head) { tqe->next = NULL; tqe->prev = NULL; - p->txq_head = tqe; - p->txq_tail = tqe; + wilc->txq_head = tqe; + wilc->txq_tail = tqe; } else { tqe->next = NULL; - tqe->prev = p->txq_tail; - p->txq_tail->next = tqe; - p->txq_tail = tqe; + tqe->prev = wilc->txq_tail; + wilc->txq_tail->next = tqe; + wilc->txq_tail = tqe; } - p->txq_entries += 1; - PRINT_D(TX_DBG, "Number of entries in TxQ = %d\n", p->txq_entries); + wilc->txq_entries += 1; + PRINT_D(TX_DBG, "Number of entries in TxQ = %d\n", wilc->txq_entries); - spin_unlock_irqrestore(&g_linux_wlan->txq_spinlock, flags); + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); - /** - * wake up TX queue - **/ PRINT_D(TX_DBG, "Wake the txq_handling\n"); - up(&g_linux_wlan->txq_event); + up(&wilc->txq_event); } -static int wilc_wlan_txq_add_to_head(struct txq_entry_t *tqe) +static int wilc_wlan_txq_add_to_head(struct wilc *wilc, struct txq_entry_t *tqe) { - wilc_wlan_dev_t *p = &g_wlan; unsigned long flags; - if (linux_wlan_lock_timeout(&g_linux_wlan->txq_add_to_head_cs, + if (wilc_lock_timeout(wilc, &wilc->txq_add_to_head_cs, CFG_PKTS_TIMEOUT)) return -1; - spin_lock_irqsave(&g_linux_wlan->txq_spinlock, flags); + spin_lock_irqsave(&wilc->txq_spinlock, flags); - if (p->txq_head == NULL) { + if (!wilc->txq_head) { tqe->next = NULL; tqe->prev = NULL; - p->txq_head = tqe; - p->txq_tail = tqe; + wilc->txq_head = tqe; + wilc->txq_tail = tqe; } else { - tqe->next = p->txq_head; + tqe->next = wilc->txq_head; tqe->prev = NULL; - p->txq_head->prev = tqe; - p->txq_head = tqe; + wilc->txq_head->prev = tqe; + wilc->txq_head = tqe; } - p->txq_entries += 1; - PRINT_D(TX_DBG, "Number of entries in TxQ = %d\n", p->txq_entries); + wilc->txq_entries += 1; + PRINT_D(TX_DBG, "Number of entries in TxQ = %d\n", wilc->txq_entries); - spin_unlock_irqrestore(&g_linux_wlan->txq_spinlock, flags); - up(&g_linux_wlan->txq_add_to_head_cs); - - - /** - * wake up TX queue - **/ - up(&g_linux_wlan->txq_event); + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); + up(&wilc->txq_add_to_head_cs); + up(&wilc->txq_event); PRINT_D(TX_DBG, "Wake up the txq_handler\n"); return 0; - } -u32 Statisitcs_totalAcks = 0, Statisitcs_DroppedAcks = 0; - #ifdef TCP_ACK_FILTER -struct Ack_session_info; -struct Ack_session_info { - u32 Ack_seq_num; - u32 Bigger_Ack_num; +struct ack_session_info; +struct ack_session_info { + u32 seq_num; + u32 bigger_ack_num; u16 src_port; u16 dst_port; u16 status; }; -typedef struct { +struct pending_acks_info { u32 ack_num; - u32 Session_index; + u32 session_index; struct txq_entry_t *txqe; -} Pending_Acks_info_t /*Ack_info_t*/; - - - +}; -struct Ack_session_info *Free_head; -struct Ack_session_info *Alloc_head; #define NOT_TCP_ACK (-1) #define MAX_TCP_SESSION 25 #define MAX_PENDING_ACKS 256 -struct Ack_session_info Acks_keep_track_info[2 * MAX_TCP_SESSION]; -Pending_Acks_info_t Pending_Acks_info[MAX_PENDING_ACKS]; - -u32 PendingAcks_arrBase; -u32 Opened_TCP_session; -u32 Pending_Acks; - +static struct ack_session_info ack_session_info[2 * MAX_TCP_SESSION]; +static struct pending_acks_info pending_acks_info[MAX_PENDING_ACKS]; +static u32 pending_base; +static u32 tcp_session; +static u32 pending_acks; -static inline int Init_TCP_tracking(void) +static inline int init_tcp_tracking(void) { - return 0; - } -static inline int add_TCP_track_session(u32 src_prt, u32 dst_prt, u32 seq) + +static inline int add_tcp_session(u32 src_prt, u32 dst_prt, u32 seq) { - Acks_keep_track_info[Opened_TCP_session].Ack_seq_num = seq; - Acks_keep_track_info[Opened_TCP_session].Bigger_Ack_num = 0; - Acks_keep_track_info[Opened_TCP_session].src_port = src_prt; - Acks_keep_track_info[Opened_TCP_session].dst_port = dst_prt; - Opened_TCP_session++; + ack_session_info[tcp_session].seq_num = seq; + ack_session_info[tcp_session].bigger_ack_num = 0; + ack_session_info[tcp_session].src_port = src_prt; + ack_session_info[tcp_session].dst_port = dst_prt; + tcp_session++; - PRINT_D(TCP_ENH, "TCP Session %d to Ack %d\n", Opened_TCP_session, seq); + PRINT_D(TCP_ENH, "TCP Session %d to Ack %d\n", tcp_session, seq); return 0; } -static inline int Update_TCP_track_session(u32 index, u32 Ack) +static inline int update_tcp_session(u32 index, u32 ack) { - - if (Ack > Acks_keep_track_info[index].Bigger_Ack_num) - Acks_keep_track_info[index].Bigger_Ack_num = Ack; + if (ack > ack_session_info[index].bigger_ack_num) + ack_session_info[index].bigger_ack_num = ack; return 0; - } -static inline int add_TCP_Pending_Ack(u32 Ack, u32 Session_index, struct txq_entry_t *txqe) -{ - Statisitcs_totalAcks++; - if (Pending_Acks < MAX_PENDING_ACKS) { - Pending_Acks_info[PendingAcks_arrBase + Pending_Acks].ack_num = Ack; - Pending_Acks_info[PendingAcks_arrBase + Pending_Acks].txqe = txqe; - Pending_Acks_info[PendingAcks_arrBase + Pending_Acks].Session_index = Session_index; - txqe->tcp_PendingAck_index = PendingAcks_arrBase + Pending_Acks; - Pending_Acks++; - - } else { +static inline int add_tcp_pending_ack(u32 ack, u32 session_index, + struct txq_entry_t *txqe) +{ + if (pending_acks < MAX_PENDING_ACKS) { + pending_acks_info[pending_base + pending_acks].ack_num = ack; + pending_acks_info[pending_base + pending_acks].txqe = txqe; + pending_acks_info[pending_base + pending_acks].session_index = session_index; + txqe->tcp_pending_ack_idx = pending_base + pending_acks; + pending_acks++; } return 0; } -static inline int remove_TCP_related(void) +static inline int remove_TCP_related(struct wilc *wilc) { - wilc_wlan_dev_t *p = &g_wlan; unsigned long flags; - spin_lock_irqsave(&g_linux_wlan->txq_spinlock, flags); + spin_lock_irqsave(&wilc->txq_spinlock, flags); - spin_unlock_irqrestore(&g_linux_wlan->txq_spinlock, flags); + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); return 0; } @@ -348,54 +238,55 @@ static inline int tcp_process(struct net_device *dev, struct txq_entry_t *tqe) u8 *buffer = tqe->buffer; unsigned short h_proto; int i; - wilc_wlan_dev_t *p = &g_wlan; unsigned long flags; - perInterface_wlan_t *nic; + struct wilc_vif *vif; struct wilc *wilc; - nic = netdev_priv(dev); - wilc = nic->wilc; + vif = netdev_priv(dev); + wilc = vif->wilc; - spin_lock_irqsave(&wilc->txq_spinlock, flags); eth_hdr_ptr = &buffer[0]; h_proto = ntohs(*((unsigned short *)ð_hdr_ptr[12])); - if (h_proto == 0x0800) { /* IP */ + if (h_proto == 0x0800) { u8 *ip_hdr_ptr; u8 protocol; ip_hdr_ptr = &buffer[ETHERNET_HDR_LEN]; protocol = ip_hdr_ptr[9]; - if (protocol == 0x06) { u8 *tcp_hdr_ptr; - u32 IHL, Total_Length, Data_offset; + u32 IHL, total_length, data_offset; tcp_hdr_ptr = &ip_hdr_ptr[IP_HDR_LEN]; IHL = (ip_hdr_ptr[0] & 0xf) << 2; - Total_Length = (((u32)ip_hdr_ptr[2]) << 8) + ((u32)ip_hdr_ptr[3]); - Data_offset = (((u32)tcp_hdr_ptr[12] & 0xf0) >> 2); - if (Total_Length == (IHL + Data_offset)) { /*we want to recognize the clear Acks(packet only carry Ack infos not with data) so data size must be equal zero*/ - u32 seq_no, Ack_no; - - seq_no = (((u32)tcp_hdr_ptr[4]) << 24) + (((u32)tcp_hdr_ptr[5]) << 16) + (((u32)tcp_hdr_ptr[6]) << 8) + ((u32)tcp_hdr_ptr[7]); - - Ack_no = (((u32)tcp_hdr_ptr[8]) << 24) + (((u32)tcp_hdr_ptr[9]) << 16) + (((u32)tcp_hdr_ptr[10]) << 8) + ((u32)tcp_hdr_ptr[11]); - - - for (i = 0; i < Opened_TCP_session; i++) { - if (Acks_keep_track_info[i].Ack_seq_num == seq_no) { - Update_TCP_track_session(i, Ack_no); + total_length = ((u32)ip_hdr_ptr[2] << 8) + + (u32)ip_hdr_ptr[3]; + data_offset = ((u32)tcp_hdr_ptr[12] & 0xf0) >> 2; + if (total_length == (IHL + data_offset)) { + u32 seq_no, ack_no; + + seq_no = ((u32)tcp_hdr_ptr[4] << 24) + + ((u32)tcp_hdr_ptr[5] << 16) + + ((u32)tcp_hdr_ptr[6] << 8) + + (u32)tcp_hdr_ptr[7]; + + ack_no = ((u32)tcp_hdr_ptr[8] << 24) + + ((u32)tcp_hdr_ptr[9] << 16) + + ((u32)tcp_hdr_ptr[10] << 8) + + (u32)tcp_hdr_ptr[11]; + + for (i = 0; i < tcp_session; i++) { + if (ack_session_info[i].seq_num == seq_no) { + update_tcp_session(i, ack_no); break; } } - if (i == Opened_TCP_session) - add_TCP_track_session(0, 0, seq_no); - - add_TCP_Pending_Ack(Ack_no, i, tqe); - + if (i == tcp_session) + add_tcp_session(0, 0, seq_no); + add_tcp_pending_ack(ack_no, i, tqe); } } else { @@ -408,83 +299,81 @@ static inline int tcp_process(struct net_device *dev, struct txq_entry_t *tqe) return ret; } - static int wilc_wlan_txq_filter_dup_tcp_ack(struct net_device *dev) { - perInterface_wlan_t *nic; + struct wilc_vif *vif; struct wilc *wilc; u32 i = 0; - u32 Dropped = 0; - wilc_wlan_dev_t *p = &g_wlan; + u32 dropped = 0; - nic = netdev_priv(dev); - wilc = nic->wilc; + vif = netdev_priv(dev); + wilc = vif->wilc; - spin_lock_irqsave(&wilc->txq_spinlock, p->txq_spinlock_flags); - for (i = PendingAcks_arrBase; i < (PendingAcks_arrBase + Pending_Acks); i++) { - if (Pending_Acks_info[i].ack_num < Acks_keep_track_info[Pending_Acks_info[i].Session_index].Bigger_Ack_num) { + spin_lock_irqsave(&wilc->txq_spinlock, wilc->txq_spinlock_flags); + for (i = pending_base; i < (pending_base + pending_acks); i++) { + if (pending_acks_info[i].ack_num < ack_session_info[pending_acks_info[i].session_index].bigger_ack_num) { struct txq_entry_t *tqe; - PRINT_D(TCP_ENH, "DROP ACK: %u\n", Pending_Acks_info[i].ack_num); - tqe = Pending_Acks_info[i].txqe; + PRINT_D(TCP_ENH, "DROP ACK: %u\n", + pending_acks_info[i].ack_num); + tqe = pending_acks_info[i].txqe; if (tqe) { wilc_wlan_txq_remove(tqe); - Statisitcs_DroppedAcks++; - tqe->status = 1; /* mark the packet send */ + tqe->status = 1; if (tqe->tx_complete_func) - tqe->tx_complete_func(tqe->priv, tqe->status); + tqe->tx_complete_func(tqe->priv, + tqe->status); kfree(tqe); - Dropped++; + dropped++; } } } - Pending_Acks = 0; - Opened_TCP_session = 0; + pending_acks = 0; + tcp_session = 0; - if (PendingAcks_arrBase == 0) - PendingAcks_arrBase = MAX_TCP_SESSION; + if (pending_base == 0) + pending_base = MAX_TCP_SESSION; else - PendingAcks_arrBase = 0; - + pending_base = 0; - spin_unlock_irqrestore(&wilc->txq_spinlock, p->txq_spinlock_flags); + spin_unlock_irqrestore(&wilc->txq_spinlock, wilc->txq_spinlock_flags); - while (Dropped > 0) { - /*consume the semaphore count of the removed packet*/ - linux_wlan_lock_timeout(&wilc->txq_event, 1); - Dropped--; + while (dropped > 0) { + wilc_lock_timeout(wilc, &wilc->txq_event, 1); + dropped--; } return 1; } #endif -bool EnableTCPAckFilter = false; +static bool enabled = false; -void Enable_TCP_ACK_Filter(bool value) +void wilc_enable_tcp_ack_filter(bool value) { - EnableTCPAckFilter = value; + enabled = value; } -bool is_TCP_ACK_Filter_Enabled(void) +#ifdef TCP_ACK_FILTER +static bool is_tcp_ack_filter_enabled(void) { - return EnableTCPAckFilter; + return enabled; } +#endif -static int wilc_wlan_txq_add_cfg_pkt(u8 *buffer, u32 buffer_size) +static int wilc_wlan_txq_add_cfg_pkt(struct wilc *wilc, u8 *buffer, u32 buffer_size) { - wilc_wlan_dev_t *p = &g_wlan; struct txq_entry_t *tqe; PRINT_D(TX_DBG, "Adding config packet ...\n"); - if (p->quit) { + if (wilc->quit) { PRINT_D(TX_DBG, "Return due to clear function\n"); - up(&g_linux_wlan->cfg_event); + up(&wilc->cfg_event); return 0; } - tqe = kmalloc(sizeof(struct txq_entry_t), GFP_ATOMIC); - if (tqe == NULL) { + tqe = kmalloc(sizeof(*tqe), GFP_ATOMIC); + if (!tqe) { PRINT_ER("Failed to allocate memory\n"); return 0; } @@ -495,14 +384,11 @@ static int wilc_wlan_txq_add_cfg_pkt(u8 *buffer, u32 buffer_size) tqe->tx_complete_func = NULL; tqe->priv = NULL; #ifdef TCP_ACK_FILTER - tqe->tcp_PendingAck_index = NOT_TCP_ACK; + tqe->tcp_pending_ack_idx = NOT_TCP_ACK; #endif - /** - * Configuration packet always at the front - **/ PRINT_D(TX_DBG, "Adding the config packet at the Queue tail\n"); - if (wilc_wlan_txq_add_to_head(tqe)) + if (wilc_wlan_txq_add_to_head(wilc, tqe)) return 0; return 1; } @@ -510,15 +396,18 @@ static int wilc_wlan_txq_add_cfg_pkt(u8 *buffer, u32 buffer_size) int wilc_wlan_txq_add_net_pkt(struct net_device *dev, void *priv, u8 *buffer, u32 buffer_size, wilc_tx_complete_func_t func) { - wilc_wlan_dev_t *p = &g_wlan; struct txq_entry_t *tqe; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc; + + wilc = vif->wilc; - if (p->quit) + if (wilc->quit) return 0; - tqe = kmalloc(sizeof(struct txq_entry_t), GFP_ATOMIC); + tqe = kmalloc(sizeof(*tqe), GFP_ATOMIC); - if (tqe == NULL) + if (!tqe) return 0; tqe->type = WILC_NET_PKT; tqe->buffer = buffer; @@ -528,27 +417,29 @@ int wilc_wlan_txq_add_net_pkt(struct net_device *dev, void *priv, u8 *buffer, PRINT_D(TX_DBG, "Adding mgmt packet at the Queue tail\n"); #ifdef TCP_ACK_FILTER - tqe->tcp_PendingAck_index = NOT_TCP_ACK; - if (is_TCP_ACK_Filter_Enabled()) + tqe->tcp_pending_ack_idx = NOT_TCP_ACK; + if (is_tcp_ack_filter_enabled()) tcp_process(dev, tqe); #endif - wilc_wlan_txq_add_to_tail(tqe); - /*return number of itemes in the queue*/ - return p->txq_entries; + wilc_wlan_txq_add_to_tail(dev, tqe); + return wilc->txq_entries; } -int wilc_wlan_txq_add_mgmt_pkt(void *priv, u8 *buffer, u32 buffer_size, wilc_tx_complete_func_t func) +int wilc_wlan_txq_add_mgmt_pkt(struct net_device *dev, void *priv, u8 *buffer, + u32 buffer_size, wilc_tx_complete_func_t func) { - - wilc_wlan_dev_t *p = &g_wlan; struct txq_entry_t *tqe; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc; + + wilc = vif->wilc; - if (p->quit) + if (wilc->quit) return 0; - tqe = kmalloc(sizeof(struct txq_entry_t), GFP_KERNEL); + tqe = kmalloc(sizeof(*tqe), GFP_KERNEL); - if (tqe == NULL) + if (!tqe) return 0; tqe->type = WILC_MGMT_PKT; tqe->buffer = buffer; @@ -556,25 +447,23 @@ int wilc_wlan_txq_add_mgmt_pkt(void *priv, u8 *buffer, u32 buffer_size, wilc_tx_ tqe->tx_complete_func = func; tqe->priv = priv; #ifdef TCP_ACK_FILTER - tqe->tcp_PendingAck_index = NOT_TCP_ACK; + tqe->tcp_pending_ack_idx = NOT_TCP_ACK; #endif PRINT_D(TX_DBG, "Adding Network packet at the Queue tail\n"); - wilc_wlan_txq_add_to_tail(tqe); + wilc_wlan_txq_add_to_tail(dev, tqe); return 1; } -static struct txq_entry_t *wilc_wlan_txq_get_first(void) +static struct txq_entry_t *wilc_wlan_txq_get_first(struct wilc *wilc) { - wilc_wlan_dev_t *p = &g_wlan; struct txq_entry_t *tqe; unsigned long flags; - spin_lock_irqsave(&g_linux_wlan->txq_spinlock, flags); - - tqe = p->txq_head; + spin_lock_irqsave(&wilc->txq_spinlock, flags); - spin_unlock_irqrestore(&g_linux_wlan->txq_spinlock, flags); + tqe = wilc->txq_head; + spin_unlock_irqrestore(&wilc->txq_spinlock, flags); return tqe; } @@ -583,52 +472,50 @@ static struct txq_entry_t *wilc_wlan_txq_get_next(struct wilc *wilc, struct txq_entry_t *tqe) { unsigned long flags; + spin_lock_irqsave(&wilc->txq_spinlock, flags); tqe = tqe->next; spin_unlock_irqrestore(&wilc->txq_spinlock, flags); - return tqe; } static int wilc_wlan_rxq_add(struct wilc *wilc, struct rxq_entry_t *rqe) { - wilc_wlan_dev_t *p = &g_wlan; - if (p->quit) + if (wilc->quit) return 0; mutex_lock(&wilc->rxq_cs); - if (p->rxq_head == NULL) { + if (!wilc->rxq_head) { PRINT_D(RX_DBG, "Add to Queue head\n"); rqe->next = NULL; - p->rxq_head = rqe; - p->rxq_tail = rqe; + wilc->rxq_head = rqe; + wilc->rxq_tail = rqe; } else { PRINT_D(RX_DBG, "Add to Queue tail\n"); - p->rxq_tail->next = rqe; + wilc->rxq_tail->next = rqe; rqe->next = NULL; - p->rxq_tail = rqe; + wilc->rxq_tail = rqe; } - p->rxq_entries += 1; - PRINT_D(RX_DBG, "Number of queue entries: %d\n", p->rxq_entries); + wilc->rxq_entries += 1; + PRINT_D(RX_DBG, "Number of queue entries: %d\n", wilc->rxq_entries); mutex_unlock(&wilc->rxq_cs); - return p->rxq_entries; + return wilc->rxq_entries; } static struct rxq_entry_t *wilc_wlan_rxq_remove(struct wilc *wilc) { - wilc_wlan_dev_t *p = &g_wlan; PRINT_D(RX_DBG, "Getting rxQ element\n"); - if (p->rxq_head) { + if (wilc->rxq_head) { struct rxq_entry_t *rqe; mutex_lock(&wilc->rxq_cs); - rqe = p->rxq_head; - p->rxq_head = p->rxq_head->next; - p->rxq_entries -= 1; + rqe = wilc->rxq_head; + wilc->rxq_head = wilc->rxq_head->next; + wilc->rxq_entries -= 1; PRINT_D(RX_DBG, "RXQ entries decreased\n"); mutex_unlock(&wilc->rxq_cs); return rqe; @@ -637,197 +524,151 @@ static struct rxq_entry_t *wilc_wlan_rxq_remove(struct wilc *wilc) return NULL; } - -/******************************************** - * - * Power Save handle functions - * - ********************************************/ - - - #ifdef WILC_OPTIMIZE_SLEEP_INT -static inline void chip_allow_sleep(void) +static inline void chip_allow_sleep(struct wilc *wilc) { u32 reg = 0; - /* Clear bit 1 */ - g_wlan.hif_func.hif_read_reg(0xf0, ®); + wilc->hif_func->hif_read_reg(wilc, 0xf0, ®); - g_wlan.hif_func.hif_write_reg(0xf0, reg & ~BIT(0)); + wilc->hif_func->hif_write_reg(wilc, 0xf0, reg & ~BIT(0)); } -static inline void chip_wakeup(void) +static inline void chip_wakeup(struct wilc *wilc) { u32 reg, clk_status_reg, trials = 0; u32 sleep_time; - if ((g_wlan.io_func.io_type & 0x1) == HIF_SPI) { + if ((wilc->io_type & 0x1) == HIF_SPI) { do { - g_wlan.hif_func.hif_read_reg(1, ®); - /* Set bit 1 */ - g_wlan.hif_func.hif_write_reg(1, reg | BIT(1)); - - /* Clear bit 1*/ - g_wlan.hif_func.hif_write_reg(1, reg & ~BIT(1)); + wilc->hif_func->hif_read_reg(wilc, 1, ®); + wilc->hif_func->hif_write_reg(wilc, 1, reg | BIT(1)); + wilc->hif_func->hif_write_reg(wilc, 1, reg & ~BIT(1)); do { - /* Wait for the chip to stabilize*/ usleep_range(2 * 1000, 2 * 1000); - /* Make sure chip is awake. This is an extra step that can be removed */ - /* later to avoid the bus access overhead */ - if ((wilc_get_chipid(true) == 0)) + if ((wilc_get_chipid(wilc, true) == 0)) wilc_debug(N_ERR, "Couldn't read chip id. Wake up failed\n"); - } while ((wilc_get_chipid(true) == 0) && ((++trials % 3) == 0)); + } while ((wilc_get_chipid(wilc, true) == 0) && ((++trials % 3) == 0)); - } while (wilc_get_chipid(true) == 0); - } else if ((g_wlan.io_func.io_type & 0x1) == HIF_SDIO) { - g_wlan.hif_func.hif_read_reg(0xf0, ®); + } while (wilc_get_chipid(wilc, true) == 0); + } else if ((wilc->io_type & 0x1) == HIF_SDIO) { + wilc->hif_func->hif_read_reg(wilc, 0xf0, ®); do { - /* Set bit 1 */ - g_wlan.hif_func.hif_write_reg(0xf0, reg | BIT(0)); + wilc->hif_func->hif_write_reg(wilc, 0xf0, + reg | BIT(0)); + wilc->hif_func->hif_read_reg(wilc, 0xf1, + &clk_status_reg); - /* Check the clock status */ - g_wlan.hif_func.hif_read_reg(0xf1, &clk_status_reg); - - /* in case of clocks off, wait 2ms, and check it again. */ - /* if still off, wait for another 2ms, for a total wait of 6ms. */ - /* If still off, redo the wake up sequence */ while (((clk_status_reg & 0x1) == 0) && (((++trials) % 3) == 0)) { - /* Wait for the chip to stabilize*/ usleep_range(2 * 1000, 2 * 1000); - /* Make sure chip is awake. This is an extra step that can be removed */ - /* later to avoid the bus access overhead */ - g_wlan.hif_func.hif_read_reg(0xf1, &clk_status_reg); + wilc->hif_func->hif_read_reg(wilc, 0xf1, + &clk_status_reg); if ((clk_status_reg & 0x1) == 0) wilc_debug(N_ERR, "clocks still OFF. Wake up failed\n"); - } - /* in case of failure, Reset the wakeup bit to introduce a new edge on the next loop */ if ((clk_status_reg & 0x1) == 0) { - /* Reset bit 0 */ - g_wlan.hif_func.hif_write_reg(0xf0, reg & - (~BIT(0))); + wilc->hif_func->hif_write_reg(wilc, 0xf0, + reg & (~BIT(0))); } } while ((clk_status_reg & 0x1) == 0); } - - if (genuChipPSstate == CHIP_SLEEPING_MANUAL) { - g_wlan.hif_func.hif_read_reg(0x1C0C, ®); + if (chip_ps_state == CHIP_SLEEPING_MANUAL) { + wilc->hif_func->hif_read_reg(wilc, 0x1C0C, ®); reg &= ~BIT(0); - g_wlan.hif_func.hif_write_reg(0x1C0C, reg); + wilc->hif_func->hif_write_reg(wilc, 0x1C0C, reg); - if (wilc_get_chipid(false) >= 0x1002b0) { - /* Enable PALDO back right after wakeup */ + if (wilc_get_chipid(wilc, false) >= 0x1002b0) { u32 val32; - g_wlan.hif_func.hif_read_reg(0x1e1c, &val32); + wilc->hif_func->hif_read_reg(wilc, 0x1e1c, &val32); val32 |= BIT(6); - g_wlan.hif_func.hif_write_reg(0x1e1c, val32); + wilc->hif_func->hif_write_reg(wilc, 0x1e1c, val32); - g_wlan.hif_func.hif_read_reg(0x1e9c, &val32); + wilc->hif_func->hif_read_reg(wilc, 0x1e9c, &val32); val32 |= BIT(6); - g_wlan.hif_func.hif_write_reg(0x1e9c, val32); + wilc->hif_func->hif_write_reg(wilc, 0x1e9c, val32); } } - genuChipPSstate = CHIP_WAKEDUP; + chip_ps_state = CHIP_WAKEDUP; } #else -static inline void chip_wakeup(void) +static inline void chip_wakeup(struct wilc *wilc) { u32 reg, trials = 0; do { - if ((g_wlan.io_func.io_type & 0x1) == HIF_SPI) { - g_wlan.hif_func.hif_read_reg(1, ®); - /* Make sure bit 1 is 0 before we start. */ - g_wlan.hif_func.hif_write_reg(1, reg & ~BIT(1)); - /* Set bit 1 */ - g_wlan.hif_func.hif_write_reg(1, reg | BIT(1)); - /* Clear bit 1*/ - g_wlan.hif_func.hif_write_reg(1, reg & ~BIT(1)); - } else if ((g_wlan.io_func.io_type & 0x1) == HIF_SDIO) { - /* Make sure bit 0 is 0 before we start. */ - g_wlan.hif_func.hif_read_reg(0xf0, ®); - g_wlan.hif_func.hif_write_reg(0xf0, reg & ~BIT(0)); - /* Set bit 1 */ - g_wlan.hif_func.hif_write_reg(0xf0, reg | BIT(0)); - /* Clear bit 1 */ - g_wlan.hif_func.hif_write_reg(0xf0, reg & ~BIT(0)); + if ((wilc->io_type & 0x1) == HIF_SPI) { + wilc->hif_func->hif_read_reg(wilc, 1, ®); + wilc->hif_func->hif_write_reg(wilc, 1, reg & ~BIT(1)); + wilc->hif_func->hif_write_reg(wilc, 1, reg | BIT(1)); + wilc->hif_func->hif_write_reg(wilc, 1, reg & ~BIT(1)); + } else if ((wilc->io_type & 0x1) == HIF_SDIO) { + wilc->hif_func->hif_read_reg(wilc, 0xf0, ®); + wilc->hif_func->hif_write_reg(wilc, 0xf0, + reg & ~BIT(0)); + wilc->hif_func->hif_write_reg(wilc, 0xf0, + reg | BIT(0)); + wilc->hif_func->hif_write_reg(wilc, 0xf0, + reg & ~BIT(0)); } do { - /* Wait for the chip to stabilize*/ mdelay(3); - /* Make sure chip is awake. This is an extra step that can be removed */ - /* later to avoid the bus access overhead */ - if ((wilc_get_chipid(true) == 0)) + if ((wilc_get_chipid(wilc, true) == 0)) wilc_debug(N_ERR, "Couldn't read chip id. Wake up failed\n"); - } while ((wilc_get_chipid(true) == 0) && ((++trials % 3) == 0)); + } while ((wilc_get_chipid(wilc, true) == 0) && ((++trials % 3) == 0)); - } while (wilc_get_chipid(true) == 0); + } while (wilc_get_chipid(wilc, true) == 0); - if (genuChipPSstate == CHIP_SLEEPING_MANUAL) { - g_wlan.hif_func.hif_read_reg(0x1C0C, ®); + if (chip_ps_state == CHIP_SLEEPING_MANUAL) { + wilc->hif_func->hif_read_reg(wilc, 0x1C0C, ®); reg &= ~BIT(0); - g_wlan.hif_func.hif_write_reg(0x1C0C, reg); + wilc->hif_func->hif_write_reg(wilc, 0x1C0C, reg); - if (wilc_get_chipid(false) >= 0x1002b0) { - /* Enable PALDO back right after wakeup */ + if (wilc_get_chipid(wilc, false) >= 0x1002b0) { u32 val32; - g_wlan.hif_func.hif_read_reg(0x1e1c, &val32); + wilc->hif_func->hif_read_reg(wilc, 0x1e1c, &val32); val32 |= BIT(6); - g_wlan.hif_func.hif_write_reg(0x1e1c, val32); + wilc->hif_func->hif_write_reg(wilc, 0x1e1c, val32); - g_wlan.hif_func.hif_read_reg(0x1e9c, &val32); + wilc->hif_func->hif_read_reg(wilc, 0x1e9c, &val32); val32 |= BIT(6); - g_wlan.hif_func.hif_write_reg(0x1e9c, val32); + wilc->hif_func->hif_write_reg(wilc, 0x1e9c, val32); } } - genuChipPSstate = CHIP_WAKEDUP; + chip_ps_state = CHIP_WAKEDUP; } #endif -void chip_sleep_manually(u32 u32SleepTime) +void wilc_chip_sleep_manually(struct wilc *wilc) { - if (genuChipPSstate != CHIP_WAKEDUP) { - /* chip is already sleeping. Do nothing */ + if (chip_ps_state != CHIP_WAKEDUP) return; - } - acquire_bus(ACQUIRE_ONLY); + acquire_bus(wilc, ACQUIRE_ONLY); #ifdef WILC_OPTIMIZE_SLEEP_INT - chip_allow_sleep(); + chip_allow_sleep(wilc); #endif + wilc->hif_func->hif_write_reg(wilc, 0x10a8, 1); - /* Trigger the manual sleep interrupt */ - g_wlan.hif_func.hif_write_reg(0x10a8, 1); - - genuChipPSstate = CHIP_SLEEPING_MANUAL; - release_bus(RELEASE_ONLY); - + chip_ps_state = CHIP_SLEEPING_MANUAL; + release_bus(wilc, RELEASE_ONLY); } - -/******************************************** - * - * Tx, Rx queue handle functions - * - ********************************************/ -int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) +int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count) { - wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; int i, entries = 0; u32 sum; u32 reg; - u8 *txb = p->tx_buffer; + u8 *txb; u32 offset = 0; int vmm_sz = 0; struct txq_entry_t *tqe; @@ -835,32 +676,29 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) int counter; int timeout; u32 vmm_table[WILC_VMM_TBL_SIZE]; - perInterface_wlan_t *nic; + struct wilc_vif *vif; struct wilc *wilc; - nic = netdev_priv(dev); - wilc = nic->wilc; + vif = netdev_priv(dev); + wilc = vif->wilc; - p->txq_exit = 0; + txb = wilc->tx_buffer; + wilc->txq_exit = 0; do { - if (p->quit) + if (wilc->quit) break; - linux_wlan_lock_timeout(&wilc->txq_add_to_head_cs, + wilc_lock_timeout(wilc, &wilc->txq_add_to_head_cs, CFG_PKTS_TIMEOUT); #ifdef TCP_ACK_FILTER wilc_wlan_txq_filter_dup_tcp_ack(dev); #endif - /** - * build the vmm list - **/ PRINT_D(TX_DBG, "Getting the head of the TxQ\n"); - tqe = wilc_wlan_txq_get_first(); + tqe = wilc_wlan_txq_get_first(wilc); i = 0; sum = 0; do { - if ((tqe != NULL) && (i < (WILC_VMM_TBL_SIZE - 1)) /* reserve last entry to 0 */) { - + if (tqe && (i < (WILC_VMM_TBL_SIZE - 1))) { if (tqe->type == WILC_CFG_PKT) vmm_sz = ETH_CONFIG_PKT_HDR_OFFSET; @@ -872,23 +710,22 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) vmm_sz += tqe->buffer_size; PRINT_D(TX_DBG, "VMM Size before alignment = %d\n", vmm_sz); - if (vmm_sz & 0x3) { /* has to be word aligned */ + if (vmm_sz & 0x3) vmm_sz = (vmm_sz + 4) & ~0x3; - } + if ((sum + vmm_sz) > LINUX_TX_SIZE) break; PRINT_D(TX_DBG, "VMM Size AFTER alignment = %d\n", vmm_sz); - vmm_table[i] = vmm_sz / 4; /* table take the word size */ - PRINT_D(TX_DBG, "VMMTable entry size = %d\n", vmm_table[i]); + vmm_table[i] = vmm_sz / 4; + PRINT_D(TX_DBG, "VMMTable entry size = %d\n", + vmm_table[i]); if (tqe->type == WILC_CFG_PKT) { vmm_table[i] |= BIT(10); PRINT_D(TX_DBG, "VMMTable entry changed for CFG packet = %d\n", vmm_table[i]); } -#ifdef BIG_ENDIAN - vmm_table[i] = BYTE_SWAP(vmm_table[i]); -#endif + vmm_table[i] = cpu_to_le32(vmm_table[i]); i++; sum += vmm_sz; @@ -899,27 +736,24 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) } } while (1); - if (i == 0) { /* nothing in the queue */ + if (i == 0) { PRINT_D(TX_DBG, "Nothing in TX-Q\n"); break; } else { PRINT_D(TX_DBG, "Mark the last entry in VMM table - number of previous entries = %d\n", i); - vmm_table[i] = 0x0; /* mark the last element to 0 */ + vmm_table[i] = 0x0; } - acquire_bus(ACQUIRE_AND_WAKEUP); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); counter = 0; do { - - ret = p->hif_func.hif_read_reg(WILC_HOST_TX_CTRL, ®); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_HOST_TX_CTRL, + ®); if (!ret) { wilc_debug(N_ERR, "[wilc txq]: fail can't read reg vmm_tbl_entry..\n"); break; } if ((reg & 0x1) == 0) { - /** - * write to vmm table - **/ PRINT_D(TX_DBG, "Writing VMM table ... with Size = %d\n", ((i + 1) * 4)); break; } else { @@ -927,69 +761,52 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) if (counter > 200) { counter = 0; PRINT_D(TX_DBG, "Looping in tx ctrl , forcce quit\n"); - ret = p->hif_func.hif_write_reg(WILC_HOST_TX_CTRL, 0); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_HOST_TX_CTRL, 0); break; } - /** - * wait for vmm table is ready - **/ PRINT_WRN(GENERIC_DBG, "[wilc txq]: warn, vmm table not clear yet, wait...\n"); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); usleep_range(3000, 3000); - acquire_bus(ACQUIRE_AND_WAKEUP); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); } - } while (!p->quit); + } while (!wilc->quit); if (!ret) goto _end_; timeout = 200; do { - - /** - * write to vmm table - **/ - ret = p->hif_func.hif_block_tx(WILC_VMM_TBL_RX_SHADOW_BASE, (u8 *)vmm_table, ((i + 1) * 4)); + ret = wilc->hif_func->hif_block_tx(wilc, WILC_VMM_TBL_RX_SHADOW_BASE, (u8 *)vmm_table, ((i + 1) * 4)); if (!ret) { wilc_debug(N_ERR, "ERR block TX of VMM table.\n"); break; } - - /** - * interrupt firmware - **/ - ret = p->hif_func.hif_write_reg(WILC_HOST_VMM_CTL, 0x2); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, + 0x2); if (!ret) { wilc_debug(N_ERR, "[wilc txq]: fail can't write reg host_vmm_ctl..\n"); break; } - /** - * wait for confirm... - **/ - do { - ret = p->hif_func.hif_read_reg(WILC_HOST_VMM_CTL, ®); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); if (!ret) { wilc_debug(N_ERR, "[wilc txq]: fail can't read reg host_vmm_ctl..\n"); break; } if ((reg >> 2) & 0x1) { - /** - * Get the entries - **/ entries = ((reg >> 3) & 0x3f); break; } else { - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); usleep_range(3000, 3000); - acquire_bus(ACQUIRE_AND_WAKEUP); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); PRINT_WRN(GENERIC_DBG, "Can't get VMM entery - reg = %2x\n", reg); } } while (--timeout); if (timeout <= 0) { - ret = p->hif_func.hif_write_reg(WILC_HOST_VMM_CTL, 0x0); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x0); break; } @@ -999,14 +816,13 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) if (entries == 0) { PRINT_WRN(GENERIC_DBG, "[wilc txq]: no more buffer in the chip (reg: %08x), retry later [[ %d, %x ]]\n", reg, i, vmm_table[i - 1]); - /* undo the transaction. */ - ret = p->hif_func.hif_read_reg(WILC_HOST_TX_CTRL, ®); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_HOST_TX_CTRL, ®); if (!ret) { wilc_debug(N_ERR, "[wilc txq]: fail can't read reg WILC_HOST_TX_CTRL..\n"); break; } reg &= ~BIT(0); - ret = p->hif_func.hif_write_reg(WILC_HOST_TX_CTRL, reg); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_HOST_TX_CTRL, reg); if (!ret) { wilc_debug(N_ERR, "[wilc txq]: fail can't write reg WILC_HOST_TX_CTRL..\n"); break; @@ -1025,58 +841,50 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) goto _end_; } - /* since copying data into txb takes some time, then - * allow the bus lock to be released let the RX task go. */ - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); - /** - * Copy data to the TX buffer - **/ offset = 0; i = 0; do { - tqe = wilc_wlan_txq_remove_from_head(); - if (tqe != NULL && (vmm_table[i] != 0)) { + tqe = wilc_wlan_txq_remove_from_head(dev); + if (tqe && (vmm_table[i] != 0)) { u32 header, buffer_offset; -#ifdef BIG_ENDIAN - vmm_table[i] = BYTE_SWAP(vmm_table[i]); -#endif - vmm_sz = (vmm_table[i] & 0x3ff); /* in word unit */ + vmm_table[i] = cpu_to_le32(vmm_table[i]); + vmm_sz = (vmm_table[i] & 0x3ff); vmm_sz *= 4; - header = (tqe->type << 31) | (tqe->buffer_size << 15) | vmm_sz; + header = (tqe->type << 31) | + (tqe->buffer_size << 15) | + vmm_sz; if (tqe->type == WILC_MGMT_PKT) header |= BIT(30); else header &= ~BIT(30); -#ifdef BIG_ENDIAN - header = BYTE_SWAP(header); -#endif + header = cpu_to_le32(header); memcpy(&txb[offset], &header, 4); if (tqe->type == WILC_CFG_PKT) { buffer_offset = ETH_CONFIG_PKT_HDR_OFFSET; - } - else if (tqe->type == WILC_NET_PKT) { - char *pBSSID = ((struct tx_complete_data *)(tqe->priv))->pBssid; + } else if (tqe->type == WILC_NET_PKT) { + char *bssid = ((struct tx_complete_data *)(tqe->priv))->pBssid; buffer_offset = ETH_ETHERNET_HDR_OFFSET; - /* copy the bssid at the sart of the buffer */ - memcpy(&txb[offset + 4], pBSSID, 6); - } - else { + memcpy(&txb[offset + 4], bssid, 6); + } else { buffer_offset = HOST_HDR_OFFSET; } - memcpy(&txb[offset + buffer_offset], tqe->buffer, tqe->buffer_size); + memcpy(&txb[offset + buffer_offset], + tqe->buffer, tqe->buffer_size); offset += vmm_sz; i++; - tqe->status = 1; /* mark the packet send */ + tqe->status = 1; if (tqe->tx_complete_func) - tqe->tx_complete_func(tqe->priv, tqe->status); + tqe->tx_complete_func(tqe->priv, + tqe->status); #ifdef TCP_ACK_FILTER - if (tqe->tcp_PendingAck_index != NOT_TCP_ACK) - Pending_Acks_info[tqe->tcp_PendingAck_index].txqe = NULL; + if (tqe->tcp_pending_ack_idx != NOT_TCP_ACK) + pending_acks_info[tqe->tcp_pending_ack_idx].txqe = NULL; #endif kfree(tqe); } else { @@ -1084,21 +892,15 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) } } while (--entries); - /** - * lock the bus - **/ - acquire_bus(ACQUIRE_AND_WAKEUP); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); - ret = p->hif_func.hif_clear_int_ext(ENABLE_TX_VMM); + ret = wilc->hif_func->hif_clear_int_ext(wilc, ENABLE_TX_VMM); if (!ret) { wilc_debug(N_ERR, "[wilc txq]: fail can't start tx VMM ...\n"); goto _end_; } - /** - * transfer - **/ - ret = p->hif_func.hif_block_tx_ext(0, txb, offset); + ret = wilc->hif_func->hif_block_tx_ext(wilc, 0, txb, offset); if (!ret) { wilc_debug(N_ERR, "[wilc txq]: fail can't block tx ext...\n"); goto _end_; @@ -1106,49 +908,43 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount) _end_: - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); if (ret != 1) break; } while (0); up(&wilc->txq_add_to_head_cs); - p->txq_exit = 1; + wilc->txq_exit = 1; PRINT_D(TX_DBG, "THREAD: Exiting txq\n"); - /* return tx[]q count */ - *pu32TxqCount = p->txq_entries; + *txq_count = wilc->txq_entries; return ret; } static void wilc_wlan_handle_rxq(struct wilc *wilc) { - wilc_wlan_dev_t *p = &g_wlan; int offset = 0, size, has_packet = 0; u8 *buffer; struct rxq_entry_t *rqe; - p->rxq_exit = 0; - - - + wilc->rxq_exit = 0; do { - if (p->quit) { + if (wilc->quit) { PRINT_D(RX_DBG, "exit 1st do-while due to Clean_UP function\n"); up(&wilc->cfg_event); break; } rqe = wilc_wlan_rxq_remove(wilc); - if (rqe == NULL) { + if (!rqe) { PRINT_D(RX_DBG, "nothing in the queue - exit 1st do-while\n"); break; } buffer = rqe->buffer; size = rqe->buffer_size; - PRINT_D(RX_DBG, "rxQ entery Size = %d - Address = %p\n", size, buffer); + PRINT_D(RX_DBG, "rxQ entery Size = %d - Address = %p\n", + size, buffer); offset = 0; - - do { u32 header; u32 pkt_len, pkt_offset, tp_len; @@ -1156,12 +952,9 @@ static void wilc_wlan_handle_rxq(struct wilc *wilc) PRINT_D(RX_DBG, "In the 2nd do-while\n"); memcpy(&header, &buffer[offset], 4); -#ifdef BIG_ENDIAN - header = BYTE_SWAP(header); -#endif - PRINT_D(RX_DBG, "Header = %04x - Offset = %d\n", header, offset); - - + header = cpu_to_le32(header); + PRINT_D(RX_DBG, "Header = %04x - Offset = %d\n", + header, offset); is_cfg_packet = (header >> 31) & 0x1; pkt_offset = (header >> 22) & 0x1ff; @@ -1177,45 +970,34 @@ static void wilc_wlan_handle_rxq(struct wilc *wilc) #define IS_MANAGMEMENT_CALLBACK 0x080 #define IS_MGMT_STATUS_SUCCES 0x040 - if (pkt_offset & IS_MANAGMEMENT) { - /* reset mgmt indicator bit, to use pkt_offeset in furthur calculations */ - pkt_offset &= ~(IS_MANAGMEMENT | IS_MANAGMEMENT_CALLBACK | IS_MGMT_STATUS_SUCCES); + pkt_offset &= ~(IS_MANAGMEMENT | + IS_MANAGMEMENT_CALLBACK | + IS_MGMT_STATUS_SUCCES); WILC_WFI_mgmt_rx(wilc, &buffer[offset + HOST_HDR_OFFSET], pkt_len); - } - else - { - + } else { if (!is_cfg_packet) { if (pkt_len > 0) { - frmw_to_linux(wilc, + wilc_frmw_to_linux(wilc, &buffer[offset], pkt_len, pkt_offset); has_packet = 1; } } else { - wilc_cfg_rsp_t rsp; - - + struct wilc_cfg_rsp rsp; - wilc_wlan_cfg_indicate_rx(&buffer[pkt_offset + offset], pkt_len, &rsp); + wilc_wlan_cfg_indicate_rx(wilc, &buffer[pkt_offset + offset], pkt_len, &rsp); if (rsp.type == WILC_CFG_RSP) { - /** - * wake up the waiting task... - **/ - PRINT_D(RX_DBG, "p->cfg_seq_no = %d - rsp.seq_no = %d\n", p->cfg_seq_no, rsp.seq_no); - if (p->cfg_seq_no == rsp.seq_no) + PRINT_D(RX_DBG, "wilc->cfg_seq_no = %d - rsp.seq_no = %d\n", wilc->cfg_seq_no, rsp.seq_no); + if (wilc->cfg_seq_no == rsp.seq_no) up(&wilc->cfg_event); } else if (rsp.type == WILC_CFG_RSP_STATUS) { - /** - * Call back to indicate status... - **/ - linux_wlan_mac_indicate(wilc, WILC_MAC_INDICATE_STATUS); + wilc_mac_indicate(wilc, WILC_MAC_INDICATE_STATUS); } else if (rsp.type == WILC_CFG_RSP_SCAN) { - linux_wlan_mac_indicate(wilc, WILC_MAC_INDICATE_SCAN); + wilc_mac_indicate(wilc, WILC_MAC_INDICATE_SCAN); } } } @@ -1223,224 +1005,163 @@ static void wilc_wlan_handle_rxq(struct wilc *wilc) if (offset >= size) break; } while (1); - - -#ifndef MEMORY_STATIC - kfree(buffer); -#endif kfree(rqe); if (has_packet) - linux_wlan_rx_complete(); + wilc_rx_complete(wilc); } while (1); - p->rxq_exit = 1; + wilc->rxq_exit = 1; PRINT_D(RX_DBG, "THREAD: Exiting RX thread\n"); } -/******************************************** - * - * Fast DMA Isr - * - ********************************************/ -static void wilc_unknown_isr_ext(void) +static void wilc_unknown_isr_ext(struct wilc *wilc) { - g_wlan.hif_func.hif_clear_int_ext(0); + wilc->hif_func->hif_clear_int_ext(wilc, 0); } -static void wilc_pllupdate_isr_ext(u32 int_stats) -{ +static void wilc_pllupdate_isr_ext(struct wilc *wilc, u32 int_stats) +{ int trials = 10; - g_wlan.hif_func.hif_clear_int_ext(PLL_INT_CLR); + wilc->hif_func->hif_clear_int_ext(wilc, PLL_INT_CLR); - /* Waiting for PLL */ - mdelay(WILC_PLL_TO); + if (wilc->io_type == HIF_SDIO) + mdelay(WILC_PLL_TO_SDIO); + else + mdelay(WILC_PLL_TO_SPI); - /* poll till read a valid data */ - while (!(ISWILC1000(wilc_get_chipid(true)) && --trials)) { + while (!(ISWILC1000(wilc_get_chipid(wilc, true)) && --trials)) { PRINT_D(TX_DBG, "PLL update retrying\n"); mdelay(1); } } -static void wilc_sleeptimer_isr_ext(u32 int_stats1) +static void wilc_sleeptimer_isr_ext(struct wilc *wilc, u32 int_stats1) { - g_wlan.hif_func.hif_clear_int_ext(SLEEP_INT_CLR); + wilc->hif_func->hif_clear_int_ext(wilc, SLEEP_INT_CLR); #ifndef WILC_OPTIMIZE_SLEEP_INT - genuChipPSstate = CHIP_SLEEPING_AUTO; + chip_ps_state = CHIP_SLEEPING_AUTO; #endif } static void wilc_wlan_handle_isr_ext(struct wilc *wilc, u32 int_status) { - wilc_wlan_dev_t *p = &g_wlan; -#ifdef MEMORY_STATIC - u32 offset = p->rx_buffer_offset; -#endif + u32 offset = wilc->rx_buffer_offset; u8 *buffer = NULL; u32 size; u32 retries = 0; int ret = 0; struct rxq_entry_t *rqe; - - /** - * Get the rx size - **/ - size = ((int_status & 0x7fff) << 2); while (!size && retries < 10) { u32 time = 0; - /*looping more secure*/ - /*zero size make a crashe because the dma will not happen and that will block the firmware*/ + wilc_debug(N_ERR, "RX Size equal zero ... Trying to read it again for %d time\n", time++); - p->hif_func.hif_read_size(&size); + wilc->hif_func->hif_read_size(wilc, &size); size = ((size & 0x7fff) << 2); retries++; - } if (size > 0) { -#ifdef MEMORY_STATIC if (LINUX_RX_SIZE - offset < size) offset = 0; - if (p->rx_buffer) - buffer = &p->rx_buffer[offset]; - else { + if (wilc->rx_buffer) { + buffer = &wilc->rx_buffer[offset]; + } else { wilc_debug(N_ERR, "[wilc isr]: fail Rx Buffer is NULL...drop the packets (%d)\n", size); goto _end_; } -#else - buffer = kmalloc(size, GFP_KERNEL); - if (buffer == NULL) { - wilc_debug(N_ERR, "[wilc isr]: fail alloc host memory...drop the packets (%d)\n", size); - usleep_range(100 * 1000, 100 * 1000); - goto _end_; - } -#endif - - /** - * clear the chip's interrupt after getting size some register getting corrupted after clear the interrupt - **/ - p->hif_func.hif_clear_int_ext(DATA_INT_CLR | ENABLE_RX_VMM); - - - /** - * start transfer - **/ - ret = p->hif_func.hif_block_rx_ext(0, buffer, size); + wilc->hif_func->hif_clear_int_ext(wilc, + DATA_INT_CLR | ENABLE_RX_VMM); + ret = wilc->hif_func->hif_block_rx_ext(wilc, 0, buffer, size); if (!ret) { wilc_debug(N_ERR, "[wilc isr]: fail block rx...\n"); goto _end_; } _end_: - - if (ret) { -#ifdef MEMORY_STATIC offset += size; - p->rx_buffer_offset = offset; -#endif - /** - * add to rx queue - **/ - rqe = kmalloc(sizeof(struct rxq_entry_t), GFP_KERNEL); - if (rqe != NULL) { + wilc->rx_buffer_offset = offset; + rqe = kmalloc(sizeof(*rqe), GFP_KERNEL); + if (rqe) { rqe->buffer = buffer; rqe->buffer_size = size; PRINT_D(RX_DBG, "rxq entery Size= %d - Address = %p\n", rqe->buffer_size, rqe->buffer); wilc_wlan_rxq_add(wilc, rqe); } - } else { -#ifndef MEMORY_STATIC - kfree(buffer); -#endif } } wilc_wlan_handle_rxq(wilc); } -void wilc_handle_isr(void *wilc) +void wilc_handle_isr(struct wilc *wilc) { u32 int_status; - acquire_bus(ACQUIRE_AND_WAKEUP); - g_wlan.hif_func.hif_read_int(&int_status); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); + wilc->hif_func->hif_read_int(wilc, &int_status); if (int_status & PLL_INT_EXT) - wilc_pllupdate_isr_ext(int_status); + wilc_pllupdate_isr_ext(wilc, int_status); if (int_status & DATA_INT_EXT) { wilc_wlan_handle_isr_ext(wilc, int_status); #ifndef WILC_OPTIMIZE_SLEEP_INT - /* Chip is up and talking*/ - genuChipPSstate = CHIP_WAKEDUP; + chip_ps_state = CHIP_WAKEDUP; #endif } if (int_status & SLEEP_INT_EXT) - wilc_sleeptimer_isr_ext(int_status); + wilc_sleeptimer_isr_ext(wilc, int_status); if (!(int_status & (ALL_INT_EXT))) { -#ifdef WILC_SDIO - PRINT_D(TX_DBG, ">> UNKNOWN_INTERRUPT - 0x%08x\n", int_status); -#endif - wilc_unknown_isr_ext(); + wilc_unknown_isr_ext(wilc); } - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); } +EXPORT_SYMBOL_GPL(wilc_handle_isr); -/******************************************** - * - * Firmware download - * - ********************************************/ -int wilc_wlan_firmware_download(const u8 *buffer, u32 buffer_size) +int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, u32 buffer_size) { - wilc_wlan_dev_t *p = &g_wlan; u32 offset; u32 addr, size, size2, blksz; u8 *dma_buffer; int ret = 0; blksz = BIT(12); - /* Allocate a DMA coherent buffer. */ dma_buffer = kmalloc(blksz, GFP_KERNEL); - if (dma_buffer == NULL) { - /*EIO 5*/ - ret = -5; + if (!dma_buffer) { + ret = -EIO; PRINT_ER("Can't allocate buffer for firmware download IO error\n "); goto _fail_1; } PRINT_D(INIT_DBG, "Downloading firmware size = %d ...\n", buffer_size); - /** - * load the firmware - **/ + offset = 0; do { memcpy(&addr, &buffer[offset], 4); memcpy(&size, &buffer[offset + 4], 4); -#ifdef BIG_ENDIAN - addr = BYTE_SWAP(addr); - size = BYTE_SWAP(size); -#endif - acquire_bus(ACQUIRE_ONLY); + addr = cpu_to_le32(addr); + size = cpu_to_le32(size); + acquire_bus(wilc, ACQUIRE_ONLY); offset += 8; while (((int)size) && (offset < buffer_size)) { if (size <= blksz) size2 = size; else size2 = blksz; - /* Copy firmware into a DMA coherent buffer */ + memcpy(dma_buffer, &buffer[offset], size2); - ret = p->hif_func.hif_block_tx(addr, dma_buffer, size2); + ret = wilc->hif_func->hif_block_tx(wilc, addr, dma_buffer, + size2); if (!ret) break; @@ -1448,11 +1169,10 @@ int wilc_wlan_firmware_download(const u8 *buffer, u32 buffer_size) offset += size2; size -= size2; } - release_bus(RELEASE_ONLY); + release_bus(wilc, RELEASE_ONLY); if (!ret) { - /*EIO 5*/ - ret = -5; + ret = -EIO; PRINT_ER("Can't download firmware IO error\n "); goto _fail_; } @@ -1468,40 +1188,29 @@ _fail_1: return (ret < 0) ? ret : 0; } -/******************************************** - * - * Common - * - ********************************************/ -int wilc_wlan_start(void) +int wilc_wlan_start(struct wilc *wilc) { - wilc_wlan_dev_t *p = &g_wlan; u32 reg = 0; int ret; u32 chipid; - /** - * Set the host interface - **/ - if (p->io_func.io_type == HIF_SDIO) { + if (wilc->io_type == HIF_SDIO) { reg = 0; - reg |= BIT(3); /* bug 4456 and 4557 */ - } else if (p->io_func.io_type == HIF_SPI) { + reg |= BIT(3); + } else if (wilc->io_type == HIF_SPI) { reg = 1; } - acquire_bus(ACQUIRE_ONLY); - ret = p->hif_func.hif_write_reg(WILC_VMM_CORE_CFG, reg); + acquire_bus(wilc, ACQUIRE_ONLY); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_VMM_CORE_CFG, reg); if (!ret) { wilc_debug(N_ERR, "[wilc start]: fail write reg vmm_core_cfg...\n"); - release_bus(RELEASE_ONLY); - /* EIO 5*/ - ret = -5; + release_bus(wilc, RELEASE_ONLY); + ret = -EIO; return ret; } reg = 0; -#ifdef WILC_SDIO_IRQ_GPIO - reg |= WILC_HAVE_SDIO_IRQ_GPIO; -#endif + if (wilc->io_type == HIF_SDIO && wilc->dev_irq_num) + reg |= WILC_HAVE_SDIO_IRQ_GPIO; #ifdef WILC_DISABLE_PMU #else @@ -1519,123 +1228,103 @@ int wilc_wlan_start(void) #endif reg |= WILC_HAVE_LEGACY_RF_SETTINGS; - - -/*Set oscillator frequency*/ #ifdef XTAL_24 reg |= WILC_HAVE_XTAL_24; #endif - -/*Enable/Disable GPIO configuration for FW logs*/ #ifdef DISABLE_WILC_UART reg |= WILC_HAVE_DISABLE_WILC_UART; #endif - ret = p->hif_func.hif_write_reg(WILC_GP_REG_1, reg); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_1, reg); if (!ret) { wilc_debug(N_ERR, "[wilc start]: fail write WILC_GP_REG_1 ...\n"); - release_bus(RELEASE_ONLY); - /* EIO 5*/ - ret = -5; + release_bus(wilc, RELEASE_ONLY); + ret = -EIO; return ret; } - /** - * Bus related - **/ - p->hif_func.hif_sync_ext(NUM_INT_EXT); + wilc->hif_func->hif_sync_ext(wilc, NUM_INT_EXT); - ret = p->hif_func.hif_read_reg(0x1000, &chipid); + ret = wilc->hif_func->hif_read_reg(wilc, 0x1000, &chipid); if (!ret) { wilc_debug(N_ERR, "[wilc start]: fail read reg 0x1000 ...\n"); - release_bus(RELEASE_ONLY); - /* EIO 5*/ - ret = -5; + release_bus(wilc, RELEASE_ONLY); + ret = -EIO; return ret; } - /** - * Go... - **/ - - - p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); + wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); if ((reg & BIT(10)) == BIT(10)) { reg &= ~BIT(10); - p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); - p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); + wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg); + wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); } reg |= BIT(10); - ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); - p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); - release_bus(RELEASE_ONLY); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg); + wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); + release_bus(wilc, RELEASE_ONLY); return (ret < 0) ? ret : 0; } -void wilc_wlan_global_reset(void) +void wilc_wlan_global_reset(struct wilc *wilc) { - - wilc_wlan_dev_t *p = &g_wlan; - - acquire_bus(ACQUIRE_AND_WAKEUP); - p->hif_func.hif_write_reg(WILC_GLB_RESET_0, 0x0); - release_bus(RELEASE_ONLY); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); + wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, 0x0); + release_bus(wilc, RELEASE_ONLY); } -int wilc_wlan_stop(void) +int wilc_wlan_stop(struct wilc *wilc) { - wilc_wlan_dev_t *p = &g_wlan; u32 reg = 0; int ret; u8 timeout = 10; - /** - * TODO: stop the firmware, need a re-download - **/ - acquire_bus(ACQUIRE_AND_WAKEUP); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); - ret = p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); if (!ret) { PRINT_ER("Error while reading reg\n"); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); return ret; } reg &= ~BIT(10); - - - ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg); if (!ret) { PRINT_ER("Error while writing reg\n"); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); return ret; } - - do { - ret = p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, ®); if (!ret) { PRINT_ER("Error while reading reg\n"); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); return ret; } - PRINT_D(GENERIC_DBG, "Read RESET Reg %x : Retry%d\n", reg, timeout); - /*Workaround to ensure that the chip is actually reset*/ + PRINT_D(GENERIC_DBG, "Read RESET Reg %x : Retry%d\n", + reg, timeout); + if ((reg & BIT(10))) { - PRINT_D(GENERIC_DBG, "Bit 10 not reset : Retry %d\n", timeout); + PRINT_D(GENERIC_DBG, "Bit 10 not reset : Retry %d\n", + timeout); reg &= ~BIT(10); - ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, + reg); timeout--; } else { - PRINT_D(GENERIC_DBG, "Bit 10 reset after : Retry %d\n", timeout); - ret = p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); + PRINT_D(GENERIC_DBG, "Bit 10 reset after : Retry %d\n", + timeout); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_GLB_RESET_0, + ®); if (!ret) { PRINT_ER("Error while reading reg\n"); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); return ret; } - PRINT_D(GENERIC_DBG, "Read RESET Reg %x : Retry%d\n", reg, timeout); + PRINT_D(GENERIC_DBG, "Read RESET Reg %x : Retry%d\n", + reg, timeout); break; } @@ -1643,33 +1332,32 @@ int wilc_wlan_stop(void) reg = (BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(8) | BIT(9) | BIT(26) | BIT(29) | BIT(30) | BIT(31)); - p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); + wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg); reg = (u32)~BIT(10); - ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GLB_RESET_0, reg); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); return ret; } void wilc_wlan_cleanup(struct net_device *dev) { - wilc_wlan_dev_t *p = &g_wlan; struct txq_entry_t *tqe; struct rxq_entry_t *rqe; u32 reg = 0; int ret; - perInterface_wlan_t *nic; + struct wilc_vif *vif; struct wilc *wilc; - nic = netdev_priv(dev); - wilc = nic->wilc; + vif = netdev_priv(dev); + wilc = vif->wilc; - p->quit = 1; + wilc->quit = 1; do { - tqe = wilc_wlan_txq_remove_from_head(); - if (tqe == NULL) + tqe = wilc_wlan_txq_remove_from_head(dev); + if (!tqe) break; if (tqe->tx_complete_func) tqe->tx_complete_func(tqe->priv, 0); @@ -1678,157 +1366,133 @@ void wilc_wlan_cleanup(struct net_device *dev) do { rqe = wilc_wlan_rxq_remove(wilc); - if (rqe == NULL) + if (!rqe) break; -#ifndef MEMORY_STATIC - kfree(rqe->buffer); -#endif kfree(rqe); } while (1); - /** - * clean up buffer - **/ - - #ifdef MEMORY_STATIC - kfree(p->rx_buffer); - p->rx_buffer = NULL; - #endif - kfree(p->tx_buffer); + kfree(wilc->rx_buffer); + wilc->rx_buffer = NULL; + kfree(wilc->tx_buffer); + wilc->tx_buffer = NULL; - acquire_bus(ACQUIRE_AND_WAKEUP); + acquire_bus(wilc, ACQUIRE_AND_WAKEUP); - - ret = p->hif_func.hif_read_reg(WILC_GP_REG_0, ®); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_GP_REG_0, ®); if (!ret) { PRINT_ER("Error while reading reg\n"); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); } PRINT_ER("Writing ABORT reg\n"); - ret = p->hif_func.hif_write_reg(WILC_GP_REG_0, (reg | ABORT_INT)); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_0, + (reg | ABORT_INT)); if (!ret) { PRINT_ER("Error while writing reg\n"); - release_bus(RELEASE_ALLOW_SLEEP); + release_bus(wilc, RELEASE_ALLOW_SLEEP); } - release_bus(RELEASE_ALLOW_SLEEP); - /** - * io clean up - **/ - p->hif_func.hif_deinit(NULL); - + release_bus(wilc, RELEASE_ALLOW_SLEEP); + wilc->hif_func->hif_deinit(NULL); } -static int wilc_wlan_cfg_commit(int type, u32 drvHandler) +static int wilc_wlan_cfg_commit(struct wilc *wilc, int type, u32 drv_handler) { - wilc_wlan_dev_t *p = &g_wlan; - wilc_cfg_frame_t *cfg = &p->cfg_frame; - int total_len = p->cfg_frame_offset + 4 + DRIVER_HANDLER_SIZE; - int seq_no = p->cfg_seq_no % 256; - int driver_handler = (u32)drvHandler; - + struct wilc_cfg_frame *cfg = &wilc->cfg_frame; + int total_len = wilc->cfg_frame_offset + 4 + DRIVER_HANDLER_SIZE; + int seq_no = wilc->cfg_seq_no % 256; + int driver_handler = (u32)drv_handler; - /** - * Set up header - **/ - if (type == WILC_CFG_SET) { /* Set */ + if (type == WILC_CFG_SET) cfg->wid_header[0] = 'W'; - } else { /* Query */ + else cfg->wid_header[0] = 'Q'; - } - cfg->wid_header[1] = seq_no; /* sequence number */ + cfg->wid_header[1] = seq_no; cfg->wid_header[2] = (u8)total_len; cfg->wid_header[3] = (u8)(total_len >> 8); cfg->wid_header[4] = (u8)driver_handler; cfg->wid_header[5] = (u8)(driver_handler >> 8); cfg->wid_header[6] = (u8)(driver_handler >> 16); cfg->wid_header[7] = (u8)(driver_handler >> 24); - p->cfg_seq_no = seq_no; - - /** - * Add to TX queue - **/ + wilc->cfg_seq_no = seq_no; - if (!wilc_wlan_txq_add_cfg_pkt(&cfg->wid_header[0], total_len)) + if (!wilc_wlan_txq_add_cfg_pkt(wilc, &cfg->wid_header[0], total_len)) return -1; return 0; } -int wilc_wlan_cfg_set(int start, u32 wid, u8 *buffer, u32 buffer_size, - int commit, u32 drvHandler) +int wilc_wlan_cfg_set(struct wilc *wilc, int start, u32 wid, u8 *buffer, + u32 buffer_size, int commit, u32 drv_handler) { - wilc_wlan_dev_t *p = &g_wlan; u32 offset; int ret_size; - - if (p->cfg_frame_in_use) + if (wilc->cfg_frame_in_use) return 0; if (start) - p->cfg_frame_offset = 0; + wilc->cfg_frame_offset = 0; - offset = p->cfg_frame_offset; - ret_size = wilc_wlan_cfg_set_wid(p->cfg_frame.frame, offset, (u16)wid, - buffer, buffer_size); + offset = wilc->cfg_frame_offset; + ret_size = wilc_wlan_cfg_set_wid(wilc->cfg_frame.frame, offset, + (u16)wid, buffer, buffer_size); offset += ret_size; - p->cfg_frame_offset = offset; + wilc->cfg_frame_offset = offset; if (commit) { - PRINT_D(TX_DBG, "[WILC]PACKET Commit with sequence number %d\n", p->cfg_seq_no); + PRINT_D(TX_DBG, "[WILC]PACKET Commit with sequence number %d\n", + wilc->cfg_seq_no); PRINT_D(RX_DBG, "Processing cfg_set()\n"); - p->cfg_frame_in_use = 1; + wilc->cfg_frame_in_use = 1; - if (wilc_wlan_cfg_commit(WILC_CFG_SET, drvHandler)) + if (wilc_wlan_cfg_commit(wilc, WILC_CFG_SET, drv_handler)) ret_size = 0; - if (linux_wlan_lock_timeout(&g_linux_wlan->cfg_event, + if (wilc_lock_timeout(wilc, &wilc->cfg_event, CFG_PKTS_TIMEOUT)) { PRINT_D(TX_DBG, "Set Timed Out\n"); ret_size = 0; } - p->cfg_frame_in_use = 0; - p->cfg_frame_offset = 0; - p->cfg_seq_no += 1; - + wilc->cfg_frame_in_use = 0; + wilc->cfg_frame_offset = 0; + wilc->cfg_seq_no += 1; } return ret_size; } -int wilc_wlan_cfg_get(int start, u32 wid, int commit, u32 drvHandler) + +int wilc_wlan_cfg_get(struct wilc *wilc, int start, u32 wid, int commit, + u32 drv_handler) { - wilc_wlan_dev_t *p = &g_wlan; u32 offset; int ret_size; - - if (p->cfg_frame_in_use) + if (wilc->cfg_frame_in_use) return 0; if (start) - p->cfg_frame_offset = 0; + wilc->cfg_frame_offset = 0; - offset = p->cfg_frame_offset; - ret_size = wilc_wlan_cfg_get_wid(p->cfg_frame.frame, offset, (u16)wid); + offset = wilc->cfg_frame_offset; + ret_size = wilc_wlan_cfg_get_wid(wilc->cfg_frame.frame, offset, + (u16)wid); offset += ret_size; - p->cfg_frame_offset = offset; + wilc->cfg_frame_offset = offset; if (commit) { - p->cfg_frame_in_use = 1; + wilc->cfg_frame_in_use = 1; - if (wilc_wlan_cfg_commit(WILC_CFG_QUERY, drvHandler)) + if (wilc_wlan_cfg_commit(wilc, WILC_CFG_QUERY, drv_handler)) ret_size = 0; - - if (linux_wlan_lock_timeout(&g_linux_wlan->cfg_event, + if (wilc_lock_timeout(wilc, &wilc->cfg_event, CFG_PKTS_TIMEOUT)) { PRINT_D(TX_DBG, "Get Timed Out\n"); ret_size = 0; } PRINT_D(GENERIC_DBG, "[WILC]Get Response received\n"); - p->cfg_frame_in_use = 0; - p->cfg_frame_offset = 0; - p->cfg_seq_no += 1; + wilc->cfg_frame_in_use = 0; + wilc->cfg_frame_offset = 0; + wilc->cfg_seq_no += 1; } return ret_size; @@ -1843,92 +1507,69 @@ int wilc_wlan_cfg_get_val(u32 wid, u8 *buffer, u32 buffer_size) return ret; } -void wilc_bus_set_max_speed(void) -{ - - /* Increase bus speed to max possible. */ - g_wlan.hif_func.hif_set_max_bus_speed(); -} - -void wilc_bus_set_default_speed(void) -{ - - /* Restore bus speed to default. */ - g_wlan.hif_func.hif_set_default_bus_speed(); -} -u32 init_chip(void) +static u32 init_chip(struct net_device *dev) { u32 chipid; u32 reg, ret = 0; + struct wilc_vif *vif; + struct wilc *wilc; - acquire_bus(ACQUIRE_ONLY); - - chipid = wilc_get_chipid(true); + vif = netdev_priv(dev); + wilc = vif->wilc; + acquire_bus(wilc, ACQUIRE_ONLY); + chipid = wilc_get_chipid(wilc, true); if ((chipid & 0xfff) != 0xa0) { - /** - * Avoid booting from boot ROM. Make sure that Drive IRQN [SDIO platform] - * or SD_DAT3 [SPI platform] to ?1? - **/ - /* Set cortus reset register to register control. */ - ret = g_wlan.hif_func.hif_read_reg(0x1118, ®); + ret = wilc->hif_func->hif_read_reg(wilc, 0x1118, ®); if (!ret) { wilc_debug(N_ERR, "[wilc start]: fail read reg 0x1118 ...\n"); return ret; } reg |= BIT(0); - ret = g_wlan.hif_func.hif_write_reg(0x1118, reg); + ret = wilc->hif_func->hif_write_reg(wilc, 0x1118, reg); if (!ret) { wilc_debug(N_ERR, "[wilc start]: fail write reg 0x1118 ...\n"); return ret; } - /** - * Write branch intruction to IRAM (0x71 trap) at location 0xFFFF0000 - * (Cortus map) or C0000 (AHB map). - **/ - ret = g_wlan.hif_func.hif_write_reg(0xc0000, 0x71); + ret = wilc->hif_func->hif_write_reg(wilc, 0xc0000, 0x71); if (!ret) { wilc_debug(N_ERR, "[wilc start]: fail write reg 0xc0000 ...\n"); return ret; } } - release_bus(RELEASE_ONLY); + release_bus(wilc, RELEASE_ONLY); return ret; - } -u32 wilc_get_chipid(u8 update) +u32 wilc_get_chipid(struct wilc *wilc, u8 update) { static u32 chipid; - /* SDIO can't read into global variables */ - /* Use this variable as a temp, then copy to the global */ u32 tempchipid = 0; u32 rfrevid; if (chipid == 0 || update != 0) { - g_wlan.hif_func.hif_read_reg(0x1000, &tempchipid); - g_wlan.hif_func.hif_read_reg(0x13f4, &rfrevid); + wilc->hif_func->hif_read_reg(wilc, 0x1000, &tempchipid); + wilc->hif_func->hif_read_reg(wilc, 0x13f4, &rfrevid); if (!ISWILC1000(tempchipid)) { chipid = 0; goto _fail_; } if (tempchipid == 0x1002a0) { - if (rfrevid == 0x1) { /* 1002A0 */ - } else { /* if (rfrevid == 0x2) */ /* 1002A1 */ + if (rfrevid == 0x1) { + } else { tempchipid = 0x1002a1; } } else if (tempchipid == 0x1002b0) { - if (rfrevid == 3) { /* 1002B0 */ - } else if (rfrevid == 4) { /* 1002B1 */ + if (rfrevid == 3) { + } else if (rfrevid == 4) { tempchipid = 0x1002b1; - } else { /* if(rfrevid == 5) */ /* 1002B2 */ + } else { tempchipid = 0x1002b2; } - } else { } chipid = tempchipid; @@ -1937,129 +1578,88 @@ _fail_: return chipid; } -int wilc_wlan_init(wilc_wlan_inp_t *inp) +int wilc_wlan_init(struct net_device *dev) { - int ret = 0; + struct wilc_vif *vif = netdev_priv(dev); + struct wilc *wilc; + + wilc = vif->wilc; PRINT_D(INIT_DBG, "Initializing WILC_Wlan ...\n"); - memset((void *)&g_wlan, 0, sizeof(wilc_wlan_dev_t)); - - /** - * store the input - **/ - memcpy((void *)&g_wlan.io_func, (void *)&inp->io_func, sizeof(wilc_wlan_io_func_t)); - /*** - * host interface init - **/ - if ((inp->io_func.io_type & 0x1) == HIF_SDIO) { - if (!hif_sdio.hif_init(inp, wilc_debug)) { - /* EIO 5 */ - ret = -5; - goto _fail_; - } - memcpy((void *)&g_wlan.hif_func, &hif_sdio, sizeof(wilc_hif_func_t)); - } else { - if ((inp->io_func.io_type & 0x1) == HIF_SPI) { - /** - * TODO: - **/ - if (!hif_spi.hif_init(inp, wilc_debug)) { - /* EIO 5 */ - ret = -5; - goto _fail_; - } - memcpy((void *)&g_wlan.hif_func, &hif_spi, sizeof(wilc_hif_func_t)); - } else { - /* EIO 5 */ - ret = -5; - goto _fail_; - } + if (!wilc->hif_func->hif_init(wilc)) { + ret = -EIO; + goto _fail_; } - /*** - * mac interface init - **/ if (!wilc_wlan_cfg_init(wilc_debug)) { - /* ENOBUFS 105 */ - ret = -105; + ret = -ENOBUFS; goto _fail_; } - /** - * alloc tx, rx buffer - **/ - if (g_wlan.tx_buffer == NULL) - g_wlan.tx_buffer = kmalloc(LINUX_TX_SIZE, GFP_KERNEL); - PRINT_D(TX_DBG, "g_wlan.tx_buffer = %p\n", g_wlan.tx_buffer); + if (!wilc->tx_buffer) + wilc->tx_buffer = kmalloc(LINUX_TX_SIZE, GFP_KERNEL); + PRINT_D(TX_DBG, "wilc->tx_buffer = %p\n", wilc->tx_buffer); - if (g_wlan.tx_buffer == NULL) { - /* ENOBUFS 105 */ - ret = -105; + if (!wilc->tx_buffer) { + ret = -ENOBUFS; PRINT_ER("Can't allocate Tx Buffer"); goto _fail_; } -/* rx_buffer is not used unless we activate USE_MEM STATIC which is not applicable, allocating such memory is useless*/ -#if defined (MEMORY_STATIC) - if (g_wlan.rx_buffer == NULL) - g_wlan.rx_buffer = kmalloc(LINUX_RX_SIZE, GFP_KERNEL); - PRINT_D(TX_DBG, "g_wlan.rx_buffer =%p\n", g_wlan.rx_buffer); - if (g_wlan.rx_buffer == NULL) { - /* ENOBUFS 105 */ - ret = -105; + if (!wilc->rx_buffer) + wilc->rx_buffer = kmalloc(LINUX_RX_SIZE, GFP_KERNEL); + PRINT_D(TX_DBG, "wilc->rx_buffer =%p\n", wilc->rx_buffer); + if (!wilc->rx_buffer) { + ret = -ENOBUFS; PRINT_ER("Can't allocate Rx Buffer"); goto _fail_; } -#endif - if (!init_chip()) { - /* EIO 5 */ - ret = -5; + if (!init_chip(dev)) { + ret = -EIO; goto _fail_; } #ifdef TCP_ACK_FILTER - Init_TCP_tracking(); + init_tcp_tracking(); #endif return 1; _fail_: - #ifdef MEMORY_STATIC - kfree(g_wlan.rx_buffer); - g_wlan.rx_buffer = NULL; - #endif - kfree(g_wlan.tx_buffer); - g_wlan.tx_buffer = NULL; + kfree(wilc->rx_buffer); + wilc->rx_buffer = NULL; + kfree(wilc->tx_buffer); + wilc->tx_buffer = NULL; return ret; - } -u16 Set_machw_change_vir_if(struct net_device *dev, bool bValue) +u16 wilc_set_machw_change_vir_if(struct net_device *dev, bool value) { u16 ret; u32 reg; - perInterface_wlan_t *nic; + struct wilc_vif *vif; struct wilc *wilc; - nic = netdev_priv(dev); - wilc = nic->wilc; + vif = netdev_priv(dev); + wilc = vif->wilc; - /*Reset WILC_CHANGING_VIR_IF register to allow adding futrue keys to CE H/W*/ mutex_lock(&wilc->hif_cs); - ret = (&g_wlan)->hif_func.hif_read_reg(WILC_CHANGING_VIR_IF, ®); + ret = wilc->hif_func->hif_read_reg(wilc, WILC_CHANGING_VIR_IF, + ®); if (!ret) PRINT_ER("Error while Reading reg WILC_CHANGING_VIR_IF\n"); - if (bValue) + if (value) reg |= BIT(31); else reg &= ~BIT(31); - ret = (&g_wlan)->hif_func.hif_write_reg(WILC_CHANGING_VIR_IF, reg); + ret = wilc->hif_func->hif_write_reg(wilc, WILC_CHANGING_VIR_IF, + reg); if (!ret) PRINT_ER("Error while writing reg WILC_CHANGING_VIR_IF\n"); |