diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/rsi/Kconfig | 9 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/Makefile | 1 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_coex.c | 177 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_hal.c | 17 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_main.c | 38 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mgmt.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_sdio.c | 1 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_coex.h | 37 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_main.h | 6 | ||||
-rw-r--r-- | drivers/net/wireless/rsi/rsi_mgmt.h | 3 |
11 files changed, 283 insertions, 10 deletions
diff --git a/drivers/net/wireless/rsi/Kconfig b/drivers/net/wireless/rsi/Kconfig index 7c5e4ca4e3d0..e6135ee35213 100644 --- a/drivers/net/wireless/rsi/Kconfig +++ b/drivers/net/wireless/rsi/Kconfig @@ -42,4 +42,13 @@ config RSI_USB This option enables the USB bus support in rsi drivers. Select M (recommended), if you have a RSI 1x1 wireless module. +config RSI_COEX + bool "Redpine Signals WLAN BT Coexistence support" + depends on BT_HCIRSI && RSI_91X + default y + ---help--- + This option enables the WLAN BT coex support in rsi drivers. + Select M (recommended), if you have want to use this feature + and you have RS9113 module. + endif # WLAN_VENDOR_RSI diff --git a/drivers/net/wireless/rsi/Makefile b/drivers/net/wireless/rsi/Makefile index 47c45908d894..ff87121a5928 100644 --- a/drivers/net/wireless/rsi/Makefile +++ b/drivers/net/wireless/rsi/Makefile @@ -5,6 +5,7 @@ rsi_91x-y += rsi_91x_mac80211.o rsi_91x-y += rsi_91x_mgmt.o rsi_91x-y += rsi_91x_hal.o rsi_91x-y += rsi_91x_ps.o +rsi_91x-$(CONFIG_RSI_COEX) += rsi_91x_coex.o rsi_91x-$(CONFIG_RSI_DEBUGFS) += rsi_91x_debugfs.o rsi_usb-y += rsi_91x_usb.o rsi_91x_usb_ops.o diff --git a/drivers/net/wireless/rsi/rsi_91x_coex.c b/drivers/net/wireless/rsi/rsi_91x_coex.c new file mode 100644 index 000000000000..c07e839017ea --- /dev/null +++ b/drivers/net/wireless/rsi/rsi_91x_coex.c @@ -0,0 +1,177 @@ +/** + * Copyright (c) 2018 Redpine Signals Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "rsi_main.h" +#include "rsi_coex.h" +#include "rsi_mgmt.h" +#include "rsi_hal.h" + +static enum rsi_coex_queues rsi_coex_determine_coex_q + (struct rsi_coex_ctrl_block *coex_cb) +{ + enum rsi_coex_queues q_num = RSI_COEX_Q_INVALID; + + if (skb_queue_len(&coex_cb->coex_tx_qs[RSI_COEX_Q_COMMON]) > 0) + q_num = RSI_COEX_Q_COMMON; + if (skb_queue_len(&coex_cb->coex_tx_qs[RSI_COEX_Q_BT]) > 0) + q_num = RSI_COEX_Q_BT; + if (skb_queue_len(&coex_cb->coex_tx_qs[RSI_COEX_Q_WLAN]) > 0) + q_num = RSI_COEX_Q_WLAN; + + return q_num; +} + +static void rsi_coex_sched_tx_pkts(struct rsi_coex_ctrl_block *coex_cb) +{ + enum rsi_coex_queues coex_q = RSI_COEX_Q_INVALID; + struct sk_buff *skb; + + do { + coex_q = rsi_coex_determine_coex_q(coex_cb); + rsi_dbg(INFO_ZONE, "queue = %d\n", coex_q); + + if (coex_q == RSI_COEX_Q_BT) + skb = skb_dequeue(&coex_cb->coex_tx_qs[RSI_COEX_Q_BT]); + } while (coex_q != RSI_COEX_Q_INVALID); +} + +static void rsi_coex_scheduler_thread(struct rsi_common *common) +{ + struct rsi_coex_ctrl_block *coex_cb = + (struct rsi_coex_ctrl_block *)common->coex_cb; + u32 timeout = EVENT_WAIT_FOREVER; + + do { + rsi_wait_event(&coex_cb->coex_tx_thread.event, timeout); + rsi_reset_event(&coex_cb->coex_tx_thread.event); + + rsi_coex_sched_tx_pkts(coex_cb); + } while (atomic_read(&coex_cb->coex_tx_thread.thread_done) == 0); + + complete_and_exit(&coex_cb->coex_tx_thread.completion, 0); +} + +int rsi_coex_recv_pkt(struct rsi_common *common, u8 *msg) +{ + u8 msg_type = msg[RSI_RX_DESC_MSG_TYPE_OFFSET]; + + switch (msg_type) { + case COMMON_CARD_READY_IND: + rsi_dbg(INFO_ZONE, "common card ready received\n"); + rsi_handle_card_ready(common, msg); + break; + case SLEEP_NOTIFY_IND: + rsi_dbg(INFO_ZONE, "sleep notify received\n"); + rsi_mgmt_pkt_recv(common, msg); + break; + } + + return 0; +} + +static inline int rsi_map_coex_q(u8 hal_queue) +{ + switch (hal_queue) { + case RSI_COEX_Q: + return RSI_COEX_Q_COMMON; + case RSI_WLAN_Q: + return RSI_COEX_Q_WLAN; + case RSI_BT_Q: + return RSI_COEX_Q_BT; + } + return RSI_COEX_Q_INVALID; +} + +int rsi_coex_send_pkt(void *priv, struct sk_buff *skb, u8 hal_queue) +{ + struct rsi_common *common = (struct rsi_common *)priv; + struct rsi_coex_ctrl_block *coex_cb = + (struct rsi_coex_ctrl_block *)common->coex_cb; + struct skb_info *tx_params = NULL; + enum rsi_coex_queues coex_q; + int status; + + coex_q = rsi_map_coex_q(hal_queue); + if (coex_q == RSI_COEX_Q_INVALID) { + rsi_dbg(ERR_ZONE, "Invalid coex queue\n"); + return -EINVAL; + } + if (coex_q != RSI_COEX_Q_COMMON && + coex_q != RSI_COEX_Q_WLAN) { + skb_queue_tail(&coex_cb->coex_tx_qs[coex_q], skb); + rsi_set_event(&coex_cb->coex_tx_thread.event); + return 0; + } + if (common->iface_down) { + tx_params = + (struct skb_info *)&IEEE80211_SKB_CB(skb)->driver_data; + + if (!(tx_params->flags & INTERNAL_MGMT_PKT)) { + rsi_indicate_tx_status(common->priv, skb, -EINVAL); + return 0; + } + } + + /* Send packet to hal */ + if (skb->priority == MGMT_SOFT_Q) + status = rsi_send_mgmt_pkt(common, skb); + else + status = rsi_send_data_pkt(common, skb); + + return status; +} + +int rsi_coex_attach(struct rsi_common *common) +{ + struct rsi_coex_ctrl_block *coex_cb; + int cnt; + + coex_cb = kzalloc(sizeof(*coex_cb), GFP_KERNEL); + if (!coex_cb) + return -ENOMEM; + + common->coex_cb = (void *)coex_cb; + coex_cb->priv = common; + + /* Initialize co-ex queues */ + for (cnt = 0; cnt < NUM_COEX_TX_QUEUES; cnt++) + skb_queue_head_init(&coex_cb->coex_tx_qs[cnt]); + rsi_init_event(&coex_cb->coex_tx_thread.event); + + /* Initialize co-ex thread */ + if (rsi_create_kthread(common, + &coex_cb->coex_tx_thread, + rsi_coex_scheduler_thread, + "Coex-Tx-Thread")) { + rsi_dbg(ERR_ZONE, "%s: Unable to init tx thrd\n", __func__); + return -EINVAL; + } + return 0; +} + +void rsi_coex_detach(struct rsi_common *common) +{ + struct rsi_coex_ctrl_block *coex_cb = + (struct rsi_coex_ctrl_block *)common->coex_cb; + int cnt; + + rsi_kill_thread(&coex_cb->coex_tx_thread); + + for (cnt = 0; cnt < NUM_COEX_TX_QUEUES; cnt++) + skb_queue_purge(&coex_cb->coex_tx_qs[cnt]); + + kfree(coex_cb); +} diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c index 1176de646942..151d228a6167 100644 --- a/drivers/net/wireless/rsi/rsi_91x_hal.c +++ b/drivers/net/wireless/rsi/rsi_91x_hal.c @@ -31,8 +31,15 @@ int rsi_send_pkt_to_bus(struct rsi_common *common, struct sk_buff *skb) struct rsi_hw *adapter = common->priv; int status; + if (common->coex_mode > 1) + mutex_lock(&common->tx_bus_mutex); + status = adapter->host_intf_ops->write_pkt(common->priv, skb->data, skb->len); + + if (common->coex_mode > 1) + mutex_unlock(&common->tx_bus_mutex); + return status; } @@ -296,8 +303,7 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) if (status) goto err; - status = adapter->host_intf_ops->write_pkt(common->priv, skb->data, - skb->len); + status = rsi_send_pkt_to_bus(common, skb); if (status) rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", __func__); @@ -342,8 +348,7 @@ int rsi_send_mgmt_pkt(struct rsi_common *common, goto err; rsi_prepare_mgmt_desc(common, skb); - status = adapter->host_intf_ops->write_pkt(common->priv, - (u8 *)skb->data, skb->len); + status = rsi_send_pkt_to_bus(common, skb); if (status) rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); @@ -926,10 +931,6 @@ int rsi_hal_device_init(struct rsi_hw *adapter) { struct rsi_common *common = adapter->priv; - common->coex_mode = RSI_DEV_COEX_MODE_WIFI_ALONE; - common->oper_mode = RSI_DEV_OPMODE_WIFI_ALONE; - adapter->device_model = RSI_DEV_9113; - switch (adapter->device_model) { case RSI_DEV_9113: if (rsi_load_firmware(adapter)) { diff --git a/drivers/net/wireless/rsi/rsi_91x_main.c b/drivers/net/wireless/rsi/rsi_91x_main.c index 0413af88cd25..641c388b5666 100644 --- a/drivers/net/wireless/rsi/rsi_91x_main.c +++ b/drivers/net/wireless/rsi/rsi_91x_main.c @@ -20,6 +20,7 @@ #include <linux/firmware.h> #include "rsi_mgmt.h" #include "rsi_common.h" +#include "rsi_coex.h" #include "rsi_hal.h" u32 rsi_zone_enabled = /* INFO_ZONE | @@ -160,8 +161,15 @@ int rsi_read_pkt(struct rsi_common *common, u8 *rx_pkt, s32 rcv_pkt_len) switch (queueno) { case RSI_COEX_Q: - rsi_mgmt_pkt_recv(common, (frame_desc + offset)); +#ifdef CONFIG_RSI_COEX + if (common->coex_mode > 1) + rsi_coex_recv_pkt(common, frame_desc + offset); + else +#endif + rsi_mgmt_pkt_recv(common, + (frame_desc + offset)); break; + case RSI_WIFI_DATA_Q: skb = rsi_prepare_skb(common, (frame_desc + offset), @@ -217,6 +225,15 @@ static void rsi_tx_scheduler_thread(struct rsi_common *common) complete_and_exit(&common->tx_thread.completion, 0); } +#ifdef CONFIG_RSI_COEX +enum rsi_host_intf rsi_get_host_intf(void *priv) +{ + struct rsi_common *common = (struct rsi_common *)priv; + + return common->priv->rsi_host_intf; +} +#endif + /** * rsi_91x_init() - This function initializes os interface operations. * @void: Void. @@ -251,6 +268,7 @@ struct rsi_hw *rsi_91x_init(void) mutex_init(&common->mutex); mutex_init(&common->tx_lock); mutex_init(&common->rx_lock); + mutex_init(&common->tx_bus_mutex); if (rsi_create_kthread(common, &common->tx_thread, @@ -265,6 +283,19 @@ struct rsi_hw *rsi_91x_init(void) timer_setup(&common->roc_timer, rsi_roc_timeout, 0); init_completion(&common->wlan_init_completion); common->init_done = true; + + common->coex_mode = RSI_DEV_COEX_MODE_WIFI_ALONE; + common->oper_mode = RSI_DEV_OPMODE_WIFI_ALONE; + adapter->device_model = RSI_DEV_9113; +#ifdef CONFIG_RSI_COEX + if (common->coex_mode > 1) { + if (rsi_coex_attach(common)) { + rsi_dbg(ERR_ZONE, "Failed to init coex module\n"); + goto err; + } + } +#endif + return adapter; err: @@ -294,6 +325,11 @@ void rsi_91x_deinit(struct rsi_hw *adapter) common->init_done = false; +#ifdef CONFIG_RSI_COEX + if (common->coex_mode > 1) + rsi_coex_detach(common); +#endif + kfree(common); kfree(adapter->rsi_dev); kfree(adapter); diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 46c9d5470dfb..c21fca750fd4 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -1791,7 +1791,7 @@ out: return -EINVAL; } -static int rsi_handle_card_ready(struct rsi_common *common, u8 *msg) +int rsi_handle_card_ready(struct rsi_common *common, u8 *msg) { switch (common->fsm_state) { case FSM_CARD_NOT_READY: diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c index b0cf41195051..ba38c6d00128 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -18,6 +18,7 @@ #include <linux/module.h> #include "rsi_sdio.h" #include "rsi_common.h" +#include "rsi_coex.h" #include "rsi_hal.h" /** diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index 9ab86fb1da28..b33a05f057ba 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -16,8 +16,10 @@ */ #include <linux/module.h> +#include <net/rsi_91x.h> #include "rsi_usb.h" #include "rsi_hal.h" +#include "rsi_coex.h" /** * rsi_usb_card_write() - This function writes to the USB Card. diff --git a/drivers/net/wireless/rsi/rsi_coex.h b/drivers/net/wireless/rsi/rsi_coex.h new file mode 100644 index 000000000000..0fdc67f37a56 --- /dev/null +++ b/drivers/net/wireless/rsi/rsi_coex.h @@ -0,0 +1,37 @@ +/** + * Copyright (c) 2018 Redpine Signals Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __RSI_COEX_H__ +#define __RSI_COEX_H__ + +#include "rsi_common.h" + +#ifdef CONFIG_RSI_COEX +#define COMMON_CARD_READY_IND 0 +#define NUM_COEX_TX_QUEUES 5 + +struct rsi_coex_ctrl_block { + struct rsi_common *priv; + struct sk_buff_head coex_tx_qs[NUM_COEX_TX_QUEUES]; + struct rsi_thread coex_tx_thread; +}; + +int rsi_coex_attach(struct rsi_common *common); +void rsi_coex_detach(struct rsi_common *common); +int rsi_coex_send_pkt(void *priv, struct sk_buff *skb, u8 proto_type); +int rsi_coex_recv_pkt(struct rsi_common *common, u8 *msg); +#endif +#endif diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h index b0f4e2cce0ec..99a00a3ccaa4 100644 --- a/drivers/net/wireless/rsi/rsi_main.h +++ b/drivers/net/wireless/rsi/rsi_main.h @@ -206,6 +206,7 @@ struct rsi_common { struct rsi_hw *priv; struct vif_priv vif_info[RSI_MAX_VIFS]; + void *coex_cb; bool mgmt_q_block; struct version_info lmac_ver; @@ -270,6 +271,8 @@ struct rsi_common { u8 obm_ant_sel_val; int tx_power; u8 ant_in_use; + /* Mutex used for writing packet to bus */ + struct mutex tx_bus_mutex; bool hibernate_resume; bool reinit_hw; u8 wow_flags; @@ -359,4 +362,7 @@ struct rsi_host_intf_ops { u8 *fw); int (*reinit_device)(struct rsi_hw *adapter); }; + +enum rsi_host_intf rsi_get_host_intf(void *priv); + #endif diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h index 389094a3f91c..cf6567ae5bbe 100644 --- a/drivers/net/wireless/rsi/rsi_mgmt.h +++ b/drivers/net/wireless/rsi/rsi_mgmt.h @@ -57,12 +57,14 @@ #define WOW_PATTERN_SIZE 256 /* Receive Frame Types */ +#define RSI_RX_DESC_MSG_TYPE_OFFSET 2 #define TA_CONFIRM_TYPE 0x01 #define RX_DOT11_MGMT 0x02 #define TX_STATUS_IND 0x04 #define BEACON_EVENT_IND 0x08 #define PROBEREQ_CONFIRM 2 #define CARD_READY_IND 0x00 +#define SLEEP_NOTIFY_IND 0x06 #define RSI_DELETE_PEER 0x0 #define RSI_ADD_PEER 0x1 @@ -638,6 +640,7 @@ static inline void rsi_set_len_qno(__le16 *addr, u16 len, u8 qno) *addr = cpu_to_le16(len | ((qno & 7) << 12)); } +int rsi_handle_card_ready(struct rsi_common *common, u8 *msg); int rsi_mgmt_pkt_recv(struct rsi_common *common, u8 *msg); int rsi_set_vap_capabilities(struct rsi_common *common, enum opmode mode, u8 *mac_addr, u8 vap_id, u8 vap_status); |