330 lines
9.7 KiB
C
330 lines
9.7 KiB
C
/*
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* Copyright (c) 2014 Redpine Signals Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "rsi_debugfs.h"
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#include "rsi_sdio.h"
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/**
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* rsi_sdio_stats_read() - This function returns the sdio status of the driver.
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* @seq: Pointer to the sequence file structure.
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* @data: Pointer to the data.
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*
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* Return: 0 on success, -1 on failure.
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*/
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static int rsi_sdio_stats_read(struct seq_file *seq, void *data)
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{
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struct rsi_common *common = seq->private;
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struct rsi_hw *adapter = common->priv;
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struct rsi_91x_sdiodev *dev =
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(struct rsi_91x_sdiodev *)adapter->rsi_dev;
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seq_printf(seq, "total_sdio_interrupts: %d\n",
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dev->rx_info.sdio_int_counter);
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seq_printf(seq, "sdio_msdu_pending_intr_count: %d\n",
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dev->rx_info.total_sdio_msdu_pending_intr);
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seq_printf(seq, "sdio_buff_full_count : %d\n",
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dev->rx_info.buf_full_counter);
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seq_printf(seq, "sdio_buf_semi_full_count %d\n",
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dev->rx_info.buf_semi_full_counter);
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seq_printf(seq, "sdio_unknown_intr_count: %d\n",
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dev->rx_info.total_sdio_unknown_intr);
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/* RX Path Stats */
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seq_printf(seq, "BUFFER FULL STATUS : %d\n",
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dev->rx_info.buffer_full);
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seq_printf(seq, "SEMI BUFFER FULL STATUS : %d\n",
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dev->rx_info.semi_buffer_full);
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seq_printf(seq, "MGMT BUFFER FULL STATUS : %d\n",
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dev->rx_info.mgmt_buffer_full);
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seq_printf(seq, "BUFFER FULL COUNTER : %d\n",
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dev->rx_info.buf_full_counter);
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seq_printf(seq, "BUFFER SEMI FULL COUNTER : %d\n",
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dev->rx_info.buf_semi_full_counter);
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seq_printf(seq, "MGMT BUFFER FULL COUNTER : %d\n",
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dev->rx_info.mgmt_buf_full_counter);
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return 0;
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}
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/**
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* rsi_sdio_stats_open() - This function calls single open function of seq_file
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* to open file and read contents from it.
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* @inode: Pointer to the inode structure.
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* @file: Pointer to the file structure.
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*
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* Return: Pointer to the opened file status: 0 on success, ENOMEM on failure.
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*/
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static int rsi_sdio_stats_open(struct inode *inode,
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struct file *file)
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{
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return single_open(file, rsi_sdio_stats_read, inode->i_private);
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}
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/**
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* rsi_version_read() - This function gives driver and firmware version number.
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* @seq: Pointer to the sequence file structure.
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* @data: Pointer to the data.
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*
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* Return: 0 on success, -1 on failure.
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*/
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static int rsi_version_read(struct seq_file *seq, void *data)
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{
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struct rsi_common *common = seq->private;
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seq_printf(seq, "LMAC : %d.%d.%d.%d\n",
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common->lmac_ver.major,
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common->lmac_ver.minor,
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common->lmac_ver.release_num,
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common->lmac_ver.patch_num);
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return 0;
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}
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/**
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* rsi_version_open() - This function calls single open function of seq_file to
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* open file and read contents from it.
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* @inode: Pointer to the inode structure.
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* @file: Pointer to the file structure.
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*
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* Return: Pointer to the opened file status: 0 on success, ENOMEM on failure.
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*/
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static int rsi_version_open(struct inode *inode,
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struct file *file)
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{
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return single_open(file, rsi_version_read, inode->i_private);
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}
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/**
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* rsi_stats_read() - This function return the status of the driver.
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* @seq: Pointer to the sequence file structure.
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* @data: Pointer to the data.
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*
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* Return: 0 on success, -1 on failure.
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*/
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static int rsi_stats_read(struct seq_file *seq, void *data)
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{
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struct rsi_common *common = seq->private;
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static const unsigned char fsm_state[][32] = {
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"FSM_FW_NOT_LOADED",
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"FSM_CARD_NOT_READY",
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"FSM_COMMON_DEV_PARAMS_SENT",
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"FSM_BOOT_PARAMS_SENT",
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"FSM_EEPROM_READ_MAC_ADDR",
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"FSM_EEPROM_READ_RF_TYPE",
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"FSM_RESET_MAC_SENT",
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"FSM_RADIO_CAPS_SENT",
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"FSM_BB_RF_PROG_SENT",
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"FSM_MAC_INIT_DONE"
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};
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seq_puts(seq, "==> RSI STA DRIVER STATUS <==\n");
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seq_puts(seq, "DRIVER_FSM_STATE: ");
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BUILD_BUG_ON(ARRAY_SIZE(fsm_state) != NUM_FSM_STATES);
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if (common->fsm_state <= FSM_MAC_INIT_DONE)
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seq_printf(seq, "%s", fsm_state[common->fsm_state]);
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seq_printf(seq, "(%d)\n\n", common->fsm_state);
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/* Mgmt TX Path Stats */
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seq_printf(seq, "total_mgmt_pkt_send : %d\n",
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common->tx_stats.total_tx_pkt_send[MGMT_SOFT_Q]);
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seq_printf(seq, "total_mgmt_pkt_queued : %d\n",
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skb_queue_len(&common->tx_queue[MGMT_SOFT_Q]));
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seq_printf(seq, "total_mgmt_pkt_freed : %d\n",
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common->tx_stats.total_tx_pkt_freed[MGMT_SOFT_Q]);
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/* Data TX Path Stats */
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seq_printf(seq, "total_data_vo_pkt_send: %8d\t",
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common->tx_stats.total_tx_pkt_send[VO_Q]);
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seq_printf(seq, "total_data_vo_pkt_queued: %8d\t",
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skb_queue_len(&common->tx_queue[VO_Q]));
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seq_printf(seq, "total_vo_pkt_freed: %8d\n",
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common->tx_stats.total_tx_pkt_freed[VO_Q]);
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seq_printf(seq, "total_data_vi_pkt_send: %8d\t",
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common->tx_stats.total_tx_pkt_send[VI_Q]);
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seq_printf(seq, "total_data_vi_pkt_queued: %8d\t",
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skb_queue_len(&common->tx_queue[VI_Q]));
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seq_printf(seq, "total_vi_pkt_freed: %8d\n",
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common->tx_stats.total_tx_pkt_freed[VI_Q]);
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seq_printf(seq, "total_data_be_pkt_send: %8d\t",
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common->tx_stats.total_tx_pkt_send[BE_Q]);
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seq_printf(seq, "total_data_be_pkt_queued: %8d\t",
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skb_queue_len(&common->tx_queue[BE_Q]));
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seq_printf(seq, "total_be_pkt_freed: %8d\n",
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common->tx_stats.total_tx_pkt_freed[BE_Q]);
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seq_printf(seq, "total_data_bk_pkt_send: %8d\t",
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common->tx_stats.total_tx_pkt_send[BK_Q]);
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seq_printf(seq, "total_data_bk_pkt_queued: %8d\t",
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skb_queue_len(&common->tx_queue[BK_Q]));
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seq_printf(seq, "total_bk_pkt_freed: %8d\n",
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common->tx_stats.total_tx_pkt_freed[BK_Q]);
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seq_puts(seq, "\n");
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return 0;
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}
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/**
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* rsi_stats_open() - This function calls single open function of seq_file to
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* open file and read contents from it.
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* @inode: Pointer to the inode structure.
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* @file: Pointer to the file structure.
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*
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* Return: Pointer to the opened file status: 0 on success, ENOMEM on failure.
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*/
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static int rsi_stats_open(struct inode *inode,
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struct file *file)
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{
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return single_open(file, rsi_stats_read, inode->i_private);
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}
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/**
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* rsi_debug_zone_read() - This function display the currently enabled debug zones.
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* @seq: Pointer to the sequence file structure.
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* @data: Pointer to the data.
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*
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* Return: 0 on success, -1 on failure.
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*/
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static int rsi_debug_zone_read(struct seq_file *seq, void *data)
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{
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rsi_dbg(FSM_ZONE, "%x: rsi_enabled zone", rsi_zone_enabled);
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seq_printf(seq, "The zones available are %#x\n",
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rsi_zone_enabled);
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return 0;
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}
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/**
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* rsi_debug_read() - This function calls single open function of seq_file to
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* open file and read contents from it.
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* @inode: Pointer to the inode structure.
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* @file: Pointer to the file structure.
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*
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* Return: Pointer to the opened file status: 0 on success, ENOMEM on failure.
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*/
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static int rsi_debug_read(struct inode *inode,
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struct file *file)
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{
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return single_open(file, rsi_debug_zone_read, inode->i_private);
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}
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/**
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* rsi_debug_zone_write() - This function writes into hal queues as per user
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* requirement.
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* @filp: Pointer to the file structure.
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* @buff: Pointer to the character buffer.
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* @len: Length of the data to be written into buffer.
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* @data: Pointer to the data.
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*
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* Return: len: Number of bytes read.
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*/
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static ssize_t rsi_debug_zone_write(struct file *filp,
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const char __user *buff,
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size_t len,
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loff_t *data)
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{
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unsigned long dbg_zone;
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int ret;
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if (!len)
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return 0;
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ret = kstrtoul_from_user(buff, len, 16, &dbg_zone);
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if (ret)
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return ret;
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rsi_zone_enabled = dbg_zone;
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return len;
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}
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#define FOPS(fopen) { \
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.owner = THIS_MODULE, \
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.open = (fopen), \
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.read = seq_read, \
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.llseek = seq_lseek, \
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}
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#define FOPS_RW(fopen, fwrite) { \
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.owner = THIS_MODULE, \
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.open = (fopen), \
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.read = seq_read, \
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.llseek = seq_lseek, \
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.write = (fwrite), \
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}
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static const struct rsi_dbg_files dev_debugfs_files[] = {
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{"version", 0644, FOPS(rsi_version_open),},
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{"stats", 0644, FOPS(rsi_stats_open),},
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{"debug_zone", 0666, FOPS_RW(rsi_debug_read, rsi_debug_zone_write),},
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{"sdio_stats", 0644, FOPS(rsi_sdio_stats_open),},
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};
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/**
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* rsi_init_dbgfs() - This function initializes the dbgfs entry.
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* @adapter: Pointer to the adapter structure.
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*
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* Return: 0 on success, -1 on failure.
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*/
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int rsi_init_dbgfs(struct rsi_hw *adapter)
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{
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struct rsi_common *common = adapter->priv;
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struct rsi_debugfs *dev_dbgfs;
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char devdir[6];
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int ii;
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const struct rsi_dbg_files *files;
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dev_dbgfs = kzalloc(sizeof(*dev_dbgfs), GFP_KERNEL);
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if (!dev_dbgfs)
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return -ENOMEM;
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adapter->dfsentry = dev_dbgfs;
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snprintf(devdir, sizeof(devdir), "%s",
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wiphy_name(adapter->hw->wiphy));
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dev_dbgfs->subdir = debugfs_create_dir(devdir, NULL);
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for (ii = 0; ii < adapter->num_debugfs_entries; ii++) {
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files = &dev_debugfs_files[ii];
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dev_dbgfs->rsi_files[ii] =
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debugfs_create_file(files->name,
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files->perms,
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dev_dbgfs->subdir,
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common,
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&files->fops);
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(rsi_init_dbgfs);
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/**
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* rsi_remove_dbgfs() - Removes the previously created dbgfs file entries
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* in the reverse order of creation.
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* @adapter: Pointer to the adapter structure.
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*
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* Return: None.
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*/
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void rsi_remove_dbgfs(struct rsi_hw *adapter)
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{
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struct rsi_debugfs *dev_dbgfs = adapter->dfsentry;
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if (!dev_dbgfs)
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return;
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debugfs_remove_recursive(dev_dbgfs->subdir);
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}
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EXPORT_SYMBOL_GPL(rsi_remove_dbgfs);
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