From ddac452680a5164bb47d61ea54f596ddaf3aea7d Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Tue, 11 Dec 2007 13:49:39 -0500 Subject: [PATCH] libertas: rename and re-type bufvirtualaddr to cmdbuf Make it a struct cmd_header, since that's what it is, and clean up the places that it's used. Signed-off-by: Dan Williams Signed-off-by: David Woodhouse Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/cmd.c | 133 ++++++++++-------------- drivers/net/wireless/libertas/cmdresp.c | 14 +-- drivers/net/wireless/libertas/defs.h | 4 +- drivers/net/wireless/libertas/hostcmd.h | 2 +- drivers/net/wireless/libertas/if_cs.c | 4 +- drivers/net/wireless/libertas/if_sdio.c | 4 +- drivers/net/wireless/libertas/if_usb.c | 4 +- drivers/net/wireless/libertas/main.c | 14 ++- 8 files changed, 79 insertions(+), 100 deletions(-) diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index bb940cce3a73..79a8d0d48bf7 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -1028,24 +1028,18 @@ void lbs_queue_cmd(struct lbs_private *priv, u8 addtail) { unsigned long flags; - struct cmd_ds_command *cmdptr; lbs_deb_enter(LBS_DEB_HOST); - if (!cmdnode) { - lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n"); - goto done; - } - - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; - if (!cmdptr) { - lbs_deb_host("QUEUE_CMD: cmdptr is NULL\n"); + if (!cmdnode || !cmdnode->cmdbuf) { + lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n"); goto done; } /* Exit_PS command needs to be queued in the header always. */ - if (le16_to_cpu(cmdptr->command) == CMD_802_11_PS_MODE) { - struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode; + if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) { + struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf; + if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { if (priv->psstate != PS_STATE_FULL_POWER) addtail = 0; @@ -1062,7 +1056,7 @@ void lbs_queue_cmd(struct lbs_private *priv, spin_unlock_irqrestore(&priv->driver_lock, flags); lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n", - le16_to_cpu(((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command)); + le16_to_cpu(cmdnode->cmdbuf->command)); done: lbs_deb_leave(LBS_DEB_HOST); @@ -1079,7 +1073,7 @@ static int DownloadcommandToStation(struct lbs_private *priv, struct cmd_ctrl_node *cmdnode) { unsigned long flags; - struct cmd_ds_command *cmdptr; + struct cmd_header *cmd; int ret = -1; u16 cmdsize; u16 command; @@ -1091,10 +1085,10 @@ static int DownloadcommandToStation(struct lbs_private *priv, goto done; } - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; + cmd = cmdnode->cmdbuf; spin_lock_irqsave(&priv->driver_lock, flags); - if (!cmdptr || !cmdptr->size) { + if (!cmd || !cmd->size) { lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n"); __lbs_cleanup_and_insert_cmd(priv, cmdnode); spin_unlock_irqrestore(&priv->driver_lock, flags); @@ -1105,16 +1099,16 @@ static int DownloadcommandToStation(struct lbs_private *priv, priv->cur_cmd_retcode = 0; spin_unlock_irqrestore(&priv->driver_lock, flags); - cmdsize = le16_to_cpu(cmdptr->size); - command = le16_to_cpu(cmdptr->command); + cmdsize = le16_to_cpu(cmd->size); + command = le16_to_cpu(cmd->command); lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n", command, cmdsize, jiffies); - lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", cmdnode->bufvirtualaddr, cmdsize); + lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize); cmdnode->cmdwaitqwoken = 0; - ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize); + ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize); if (ret != 0) { lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n"); @@ -1265,7 +1259,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv, lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf); - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; + cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf; lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no); @@ -1556,41 +1550,35 @@ EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command); int lbs_allocate_cmd_buffer(struct lbs_private *priv) { int ret = 0; - u32 ulbufsize; + u32 bufsize; u32 i; - struct cmd_ctrl_node *tempcmd_array; - u8 *ptempvirtualaddr; + struct cmd_ctrl_node *cmdarray; lbs_deb_enter(LBS_DEB_HOST); - /* Allocate and initialize cmdCtrlNode */ - ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER; - - if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) { + /* Allocate and initialize the command array */ + bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS; + if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) { lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n"); ret = -1; goto done; } - priv->cmd_array = tempcmd_array; + priv->cmd_array = cmdarray; - /* Allocate and initialize command buffers */ - ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER; - for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) { - if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) { + /* Allocate and initialize each command buffer in the command array */ + for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { + cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL); + if (!cmdarray[i].cmdbuf) { lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n"); ret = -1; goto done; } - - /* Update command buffer virtual */ - tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr; } - for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) { - init_waitqueue_head(&tempcmd_array[i].cmdwait_q); - lbs_cleanup_and_insert_cmd(priv, &tempcmd_array[i]); + for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { + init_waitqueue_head(&cmdarray[i].cmdwait_q); + lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]); } - ret = 0; done: @@ -1606,9 +1594,8 @@ done: */ int lbs_free_cmd_buffer(struct lbs_private *priv) { - u32 ulbufsize; /* Someone needs to die for this. Slowly and painfully */ + struct cmd_ctrl_node *cmdarray; unsigned int i; - struct cmd_ctrl_node *tempcmd_array; lbs_deb_enter(LBS_DEB_HOST); @@ -1618,14 +1605,13 @@ int lbs_free_cmd_buffer(struct lbs_private *priv) goto done; } - tempcmd_array = priv->cmd_array; + cmdarray = priv->cmd_array; /* Release shared memory buffers */ - ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER; - for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) { - if (tempcmd_array[i].bufvirtualaddr) { - kfree(tempcmd_array[i].bufvirtualaddr); - tempcmd_array[i].bufvirtualaddr = NULL; + for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { + if (cmdarray[i].cmdbuf) { + kfree(cmdarray[i].cmdbuf); + cmdarray[i].cmdbuf = NULL; } } @@ -1683,21 +1669,21 @@ struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv) * @param ptempnode A pointer to cmdCtrlNode structure * @return n/a */ -static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode) +static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode) { lbs_deb_enter(LBS_DEB_HOST); - if (!ptempnode) + if (!cmdnode) return; - ptempnode->cmdwaitqwoken = 1; - wake_up_interruptible(&ptempnode->cmdwait_q); - ptempnode->wait_option = 0; - ptempnode->pdata_buf = NULL; - ptempnode->callback = NULL; - ptempnode->callback_arg = 0; + cmdnode->cmdwaitqwoken = 1; + wake_up_interruptible(&cmdnode->cmdwait_q); + cmdnode->wait_option = 0; + cmdnode->pdata_buf = NULL; + cmdnode->callback = NULL; + cmdnode->callback_arg = 0; - if (ptempnode->bufvirtualaddr != NULL) - memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER); + if (cmdnode->cmdbuf != NULL) + memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE); lbs_deb_leave(LBS_DEB_HOST); } @@ -1739,7 +1725,7 @@ void lbs_set_cmd_ctrl_node(struct lbs_private *priv, int lbs_execute_next_command(struct lbs_private *priv) { struct cmd_ctrl_node *cmdnode = NULL; - struct cmd_ds_command *cmdptr; + struct cmd_header *cmd; unsigned long flags; int ret = 0; @@ -1765,22 +1751,21 @@ int lbs_execute_next_command(struct lbs_private *priv) spin_unlock_irqrestore(&priv->driver_lock, flags); if (cmdnode) { - cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr; + cmd = cmdnode->cmdbuf; - if (is_command_allowed_in_ps(le16_to_cpu(cmdptr->command))) { + if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) { if ((priv->psstate == PS_STATE_SLEEP) || (priv->psstate == PS_STATE_PRE_SLEEP)) { lbs_deb_host( "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n", - le16_to_cpu(cmdptr->command), + le16_to_cpu(cmd->command), priv->psstate); ret = -1; goto done; } lbs_deb_host("EXEC_NEXT_CMD: OK to send command " - "0x%04x in psstate %d\n", - le16_to_cpu(cmdptr->command), - priv->psstate); + "0x%04x in psstate %d\n", + le16_to_cpu(cmd->command), priv->psstate); } else if (priv->psstate != PS_STATE_FULL_POWER) { /* * 1. Non-PS command: @@ -1793,8 +1778,7 @@ int lbs_execute_next_command(struct lbs_private *priv) * otherwise send this command down to firmware * immediately. */ - if (cmdptr->command != - cpu_to_le16(CMD_802_11_PS_MODE)) { + if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) { /* Prepare to send Exit PS, * this non PS command will be sent later */ if ((priv->psstate == PS_STATE_SLEEP) @@ -1813,8 +1797,7 @@ int lbs_execute_next_command(struct lbs_private *priv) * PS command. Ignore it if it is not Exit_PS. * otherwise send it down immediately. */ - struct cmd_ds_802_11_ps_mode *psm = - &cmdptr->params.psmode; + struct cmd_ds_802_11_ps_mode *psm = (void *)cmd; lbs_deb_host( "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n", @@ -1848,7 +1831,7 @@ int lbs_execute_next_command(struct lbs_private *priv) } list_del(&cmdnode->list); lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n", - le16_to_cpu(cmdptr->command)); + le16_to_cpu(cmd->command)); DownloadcommandToStation(priv, cmdnode); } else { /* @@ -2079,7 +2062,6 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command, unsigned long callback_arg) { struct cmd_ctrl_node *cmdnode; - struct cmd_header *send_cmd; unsigned long flags; int ret = 0; @@ -2107,20 +2089,19 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command, goto done; } - send_cmd = (struct cmd_header *) cmdnode->bufvirtualaddr; cmdnode->wait_option = CMD_OPTION_WAITFORRSP; cmdnode->callback = callback; cmdnode->callback_arg = callback_arg; /* Copy the incoming command to the buffer */ - memcpy(send_cmd, in_cmd, in_cmd_size); + memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size); /* Set sequence number, clean result, move to buffer */ priv->seqnum++; - send_cmd->command = cpu_to_le16(command); - send_cmd->size = cpu_to_le16(in_cmd_size); - send_cmd->seqnum = cpu_to_le16(priv->seqnum); - send_cmd->result = 0; + cmdnode->cmdbuf->command = cpu_to_le16(command); + cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size); + cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum); + cmdnode->cmdbuf->result = 0; lbs_deb_host("PREP_CMD: command 0x%04x\n", command); diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index 671e323764c8..b4cd7b79f54f 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -491,8 +491,9 @@ static int lbs_ret_802_11_subscribe_event(struct lbs_private *priv, static inline int handle_cmd_response(struct lbs_private *priv, unsigned long dummy, - struct cmd_ds_command *resp) + struct cmd_header *cmd_response) { + struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response; int ret = 0; unsigned long flags; uint16_t respcmd = le16_to_cpu(resp->command); @@ -673,7 +674,7 @@ static inline int handle_cmd_response(struct lbs_private *priv, int lbs_process_rx_command(struct lbs_private *priv) { u16 respcmd; - struct cmd_ds_command *resp; + struct cmd_header *resp; int ret = 0; ulong flags; u16 result; @@ -692,15 +693,14 @@ int lbs_process_rx_command(struct lbs_private *priv) spin_unlock_irqrestore(&priv->driver_lock, flags); goto done; } - resp = (struct cmd_ds_command *)(priv->cur_cmd->bufvirtualaddr); + resp = priv->cur_cmd->cmdbuf; respcmd = le16_to_cpu(resp->command); result = le16_to_cpu(resp->result); lbs_deb_host("CMD_RESP: response 0x%04x, size %d, jiffies %lu\n", respcmd, priv->upld_len, jiffies); - lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", priv->cur_cmd->bufvirtualaddr, - priv->upld_len); + lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", (void *) resp, priv->upld_len); if (!(respcmd & 0x8000)) { lbs_deb_host("invalid response!\n"); @@ -716,7 +716,7 @@ int lbs_process_rx_command(struct lbs_private *priv) priv->cur_cmd_retcode = result; if (respcmd == CMD_RET(CMD_802_11_PS_MODE)) { - struct cmd_ds_802_11_ps_mode *psmode = &resp->params.psmode; + struct cmd_ds_802_11_ps_mode *psmode = (void *) resp; u16 action = le16_to_cpu(psmode->action); lbs_deb_host( @@ -796,7 +796,7 @@ int lbs_process_rx_command(struct lbs_private *priv) if (priv->cur_cmd && priv->cur_cmd->callback) { ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg, - (struct cmd_header *) resp); + resp); } else ret = handle_cmd_response(priv, 0, resp); diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h index 04db6af72a50..9b98ae720bc0 100644 --- a/drivers/net/wireless/libertas/defs.h +++ b/drivers/net/wireless/libertas/defs.h @@ -132,8 +132,8 @@ static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, in */ #define MRVDRV_MAX_MULTICAST_LIST_SIZE 32 -#define MRVDRV_NUM_OF_CMD_BUFFER 10 -#define MRVDRV_SIZE_OF_CMD_BUFFER (2 * 1024) +#define LBS_NUM_CMD_BUFFERS 10 +#define LBS_CMD_BUFFER_SIZE (2 * 1024) #define MRVDRV_MAX_CHANNEL_SIZE 14 #define MRVDRV_ASSOCIATION_TIME_OUT 255 #define MRVDRV_SNAP_HEADER_LEN 8 diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h index a87c2174bbf3..e5e2106cd5ac 100644 --- a/drivers/net/wireless/libertas/hostcmd.h +++ b/drivers/net/wireless/libertas/hostcmd.h @@ -81,7 +81,7 @@ struct cmd_ctrl_node { int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *); unsigned long callback_arg; /* command data */ - u8 *bufvirtualaddr; + struct cmd_header *cmdbuf; /* wait queue */ u16 cmdwaitqwoken; wait_queue_head_t cmdwait_q; diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c index 2acbe5dcff7d..58143637c737 100644 --- a/drivers/net/wireless/libertas/if_cs.c +++ b/drivers/net/wireless/libertas/if_cs.c @@ -364,7 +364,7 @@ static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len) } *len = if_cs_read16(priv->card, IF_CS_C_CMD_LEN); - if ((*len == 0) || (*len > MRVDRV_SIZE_OF_CMD_BUFFER)) { + if ((*len == 0) || (*len > LBS_CMD_BUFFER_SIZE)) { lbs_pr_err("card cmd buffer has invalid # of bytes (%d)\n", *len); goto out; } @@ -683,7 +683,7 @@ sbi_get_int_status_exit: cmdbuf = priv->upld_buf; priv->hisregcpy &= ~IF_CS_C_S_RX_UPLD_RDY; } else { - cmdbuf = priv->cur_cmd->bufvirtualaddr; + cmdbuf = (u8 *) priv->cur_cmd->cmdbuf; } ret = if_cs_receive_cmdres(priv, cmdbuf, &priv->upld_len); diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 1ed72b9b6bf2..7f829c86c45d 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -142,14 +142,14 @@ static int if_sdio_handle_cmd(struct if_sdio_card *card, goto out; } - if (size > MRVDRV_SIZE_OF_CMD_BUFFER) { + if (size > LBS_CMD_BUFFER_SIZE) { lbs_deb_sdio("response packet too large (%d bytes)\n", (int)size); ret = -E2BIG; goto out; } - memcpy(card->priv->cur_cmd->bufvirtualaddr, buffer, size); + memcpy(card->priv->cur_cmd->cmdbuf, buffer, size); card->priv->upld_len = size; card->int_cause |= MRVDRV_CMD_UPLD_RDY; diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index c94b6dfa20f2..5f2d944312a5 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -639,7 +639,7 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff, struct lbs_private *priv) { u8 *cmdbuf; - if (recvlength > MRVDRV_SIZE_OF_CMD_BUFFER) { + if (recvlength > LBS_CMD_BUFFER_SIZE) { lbs_deb_usbd(&cardp->udev->dev, "The receive buffer is too large\n"); kfree_skb(skb); @@ -656,7 +656,7 @@ static inline void process_cmdrequest(int recvlength, u8 *recvbuff, cmdbuf = priv->upld_buf; priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY; } else - cmdbuf = priv->cur_cmd->bufvirtualaddr; + cmdbuf = (u8 *) priv->cur_cmd->cmdbuf; cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY; priv->upld_len = (recvlength - MESSAGE_HEADER_LEN); diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index 212cce342272..a081b91fb9ba 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -890,23 +890,21 @@ done: static void command_timer_fn(unsigned long data) { struct lbs_private *priv = (struct lbs_private *)data; - struct cmd_ctrl_node *ptempnode; - struct cmd_ds_command *cmd; + struct cmd_ctrl_node *node; unsigned long flags; - ptempnode = priv->cur_cmd; - if (ptempnode == NULL) { + node = priv->cur_cmd; + if (node == NULL) { lbs_deb_fw("ptempnode empty\n"); return; } - cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr; - if (!cmd) { + if (!node->cmdbuf) { lbs_deb_fw("cmd is NULL\n"); return; } - lbs_deb_fw("command_timer_fn fired, cmd %x\n", cmd->command); + lbs_deb_fw("command_timer_fn fired, cmd %x\n", node->cmdbuf->command); if (!priv->fw_ready) return; @@ -916,7 +914,7 @@ static void command_timer_fn(unsigned long data) spin_unlock_irqrestore(&priv->driver_lock, flags); lbs_deb_fw("re-sending same command because of timeout\n"); - lbs_queue_cmd(priv, ptempnode, 0); + lbs_queue_cmd(priv, node, 0); wake_up_interruptible(&priv->waitq); -- 2.20.1