qcacmn: ADD APIs to set/dump dp trace buffer
Add APIs to dump dp trace buffer and set proto bitmap, number of records and verbosity of dp trace. Change-Id: I23cda36515e1f3299d6c1c28dee2489a89bb15d9 CRs-Fixed: 2180984
This commit is contained in:
Rakshith Suresh Patkar
committed by
nshrivas
nshrivas
parent
8f4c9087bf
commit
dcd073313e
@@ -40,6 +40,8 @@
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#include <qdf_status.h>
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#include <qdf_nbuf.h>
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#include <i_qdf_types.h>
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#include <qdf_debugfs.h>
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/* Type declarations */
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@@ -381,6 +383,8 @@ struct s_qdf_dp_trace_data {
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bool enable;
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bool live_mode_config;
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bool live_mode;
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uint32_t curr_pos;
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uint32_t saved_tail;
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uint8_t print_pkt_cnt;
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uint8_t high_tput_thresh;
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uint16_t thresh_time_limit;
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@@ -410,6 +414,20 @@ struct s_qdf_dp_trace_data {
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u16 icmpv6_ra;
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};
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/**
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* struct qdf_dpt_debugfs_state - state to control read to debugfs file
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* @QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INVALID: invalid state
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* @QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INIT: initial state
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* @QDF_DPT_DEBUGFS_STATE_SHOW_IN_PROGRESS: read is in progress
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* @QDF_DPT_DEBUGFS_STATE_SHOW_COMPLETE: read complete
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*/
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enum qdf_dpt_debugfs_state {
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QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INVALID,
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QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INIT,
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QDF_DPT_DEBUGFS_STATE_SHOW_IN_PROGRESS,
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QDF_DPT_DEBUGFS_STATE_SHOW_COMPLETE,
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};
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/* Function declarations and documenation */
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@@ -506,6 +524,37 @@ void qdf_dp_trace_set_track(qdf_nbuf_t nbuf, enum qdf_proto_dir dir);
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void qdf_dp_trace(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code, uint8_t pdev_id,
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uint8_t *data, uint8_t size, enum qdf_proto_dir dir);
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void qdf_dp_trace_dump_all(uint32_t count, uint8_t pdev_id);
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/**
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* qdf_dpt_get_curr_pos_debugfs() - get curr position to start read
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* @file: debugfs file to read
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* @state: state to control read to debugfs file
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*
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* Return: curr pos
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*/
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uint32_t qdf_dpt_get_curr_pos_debugfs(qdf_debugfs_file_t file,
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enum qdf_dpt_debugfs_state state);
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/**
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* qdf_dpt_dump_stats_debugfs() - dump DP Trace stats to debugfs file
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* @file: debugfs file to read
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* @curr_pos: curr position to start read
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*
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* Return: QDF_STATUS
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*/
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QDF_STATUS qdf_dpt_dump_stats_debugfs(qdf_debugfs_file_t file,
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uint32_t curr_pos);
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/**
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* qdf_dpt_set_value_debugfs() - dump DP Trace stats to debugfs file
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* @file: debugfs file to read
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* @curr_pos: curr position to start read
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*
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* Return: none
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*/
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void qdf_dpt_set_value_debugfs(uint8_t proto_bitmap, uint8_t no_of_record,
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uint8_t verbosity);
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/**
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* qdf_dp_trace_dump_stats() - dump DP Trace stats
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*
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@@ -567,11 +616,30 @@ void qdf_dp_trace_set_value(uint8_t proto_bitmap, uint8_t no_of_records,
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uint8_t verbosity)
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{
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}
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static inline
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void qdf_dp_trace_dump_all(uint32_t count, uint8_t pdev_id)
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{
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}
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static inline
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uint32_t qdf_dpt_get_curr_pos_debugfs(qdf_debugfs_file_t file,
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enum qdf_dpt_debugfs_state state)
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{
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}
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static inline
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QDF_STATUS qdf_dpt_dump_stats_debugfs(qdf_debugfs_file_t file,
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uint32_t curr_pos)
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{
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}
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static inline
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void qdf_dpt_set_value_debugfs(uint8_t proto_bitmap, uint8_t no_of_record,
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uint8_t verbosity)
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{
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}
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static inline void qdf_dp_trace_dump_stats(void)
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{
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}
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@@ -635,6 +635,8 @@ void qdf_vtrace_msg(QDF_MODULE_ID module, QDF_TRACE_LEVEL level,
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#define qdf_vprint __qdf_vprint
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#define qdf_snprint __qdf_snprint
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#define qdf_kstrtoint __qdf_kstrtoint
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#ifdef WLAN_OPEN_P2P_INTERFACE
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/* This should match with WLAN_MAX_INTERFACES */
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#define QDF_MAX_CONCURRENCY_PERSONA (4)
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@@ -323,6 +323,9 @@ enum __qdf_net_wireless_evcode {
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#define __qdf_snprint snprintf
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#define __qdf_vsnprint vsnprintf
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#define __qdf_toupper toupper
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#define qdf_kstrtoint __qdf_kstrtoint
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#define __qdf_kstrtoint kstrtoint
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#define __QDF_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL
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#define __QDF_DMA_TO_DEVICE DMA_TO_DEVICE
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@@ -1957,6 +1957,354 @@ void qdf_dp_trace_dump_stats(void)
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g_qdf_dp_trace_data.eapol_m4,
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g_qdf_dp_trace_data.eapol_others);
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}
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qdf_export_symbol(qdf_dp_trace_dump_stats);
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/**
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* qdf_dpt_dump_hex_trace_debugfs() - read data in file
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* @file: file to read
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* @str: string to prepend the hexdump with.
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* @buf: buffer which contains data to be written
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* @buf_len: defines the size of the data to be written
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*
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* Return: None
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*/
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static void qdf_dpt_dump_hex_trace_debugfs(qdf_debugfs_file_t file,
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char *str, uint8_t *buf, uint8_t buf_len)
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{
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unsigned char linebuf[BUFFER_SIZE];
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const u8 *ptr = buf;
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int i, linelen, remaining = buf_len;
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/* Dump the bytes in the last line */
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for (i = 0; i < buf_len; i += ROW_SIZE) {
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linelen = min(remaining, ROW_SIZE);
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remaining -= ROW_SIZE;
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hex_dump_to_buffer(ptr + i, linelen, ROW_SIZE, 1,
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linebuf, sizeof(linebuf), false);
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qdf_debugfs_printf(file, "DPT: %s %s\n",
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str, linebuf);
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}
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}
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/**
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* qdf_dpt_display_proto_pkt_debugfs() - display proto packet
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* @file: file to read
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* @record: dptrace record
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* @index: index
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*
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* Return: none
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*/
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static void qdf_dpt_display_proto_pkt_debugfs(qdf_debugfs_file_t file,
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struct qdf_dp_trace_record_s *record,
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uint32_t index)
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{
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struct qdf_dp_trace_proto_buf *buf =
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(struct qdf_dp_trace_proto_buf *)record->data;
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qdf_debugfs_printf(file, "DPT: %04d: %s [%d] [%s%s] SA: "
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QDF_MAC_ADDR_STR " %s DA: "
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QDF_MAC_ADDR_STR,
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index, record->time, buf->vdev_id,
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qdf_dp_code_to_string(record->code),
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qdf_dp_subtype_to_str(buf->subtype),
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QDF_MAC_ADDR_ARRAY(buf->sa.bytes),
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qdf_dp_dir_to_str(buf->dir),
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QDF_MAC_ADDR_ARRAY(buf->da.bytes));
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qdf_debugfs_printf(file, "\n");
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}
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/**
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* qdf_dpt_display_mgmt_pkt_debugfs() - display mgmt packet
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* @file: file to read
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* @record: dptrace record
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* @index: index
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*
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* Return: none
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*/
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static void qdf_dpt_display_mgmt_pkt_debugfs(qdf_debugfs_file_t file,
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struct qdf_dp_trace_record_s *record,
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uint32_t index)
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{
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struct qdf_dp_trace_mgmt_buf *buf =
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(struct qdf_dp_trace_mgmt_buf *)record->data;
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qdf_debugfs_printf(file, "DPT: %04d: %s [%d] [%s %s %s]\n",
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index, record->time, buf->vdev_id,
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qdf_dp_code_to_string(record->code),
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qdf_dp_type_to_str(buf->type),
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qdf_dp_subtype_to_str(buf->subtype));
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}
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/**
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* qdf_dpt_display_event_record_debugfs() - display event records
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* @file: file to read
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* @record: dptrace record
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* @index: index
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*
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* Return: none
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*/
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static void qdf_dpt_display_event_record_debugfs(qdf_debugfs_file_t file,
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struct qdf_dp_trace_record_s *record,
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uint32_t index)
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{
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struct qdf_dp_trace_event_buf *buf =
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(struct qdf_dp_trace_event_buf *)record->data;
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qdf_debugfs_printf(file, "DPT: %04d: %s [%d] [%s %s %s]\n",
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index, record->time, buf->vdev_id,
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qdf_dp_code_to_string(record->code),
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qdf_dp_type_to_str(buf->type),
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qdf_dp_subtype_to_str(buf->subtype));
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}
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/**
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* qdf_dpt_display_ptr_record_debugfs() - display record ptr
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* @file: file to read
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* @record: dptrace record
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* @index: index
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*
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* Return: none
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*/
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static void qdf_dpt_display_ptr_record_debugfs(qdf_debugfs_file_t file,
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struct qdf_dp_trace_record_s *record,
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uint32_t index)
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{
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char prepend_str[100] = {'\0'};
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struct qdf_dp_trace_ptr_buf *buf =
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(struct qdf_dp_trace_ptr_buf *)record->data;
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snprintf(prepend_str, sizeof(prepend_str),
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"%04d: %s [%s] [msdu id %d %s %d]",
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index,
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record->time,
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qdf_dp_code_to_string(record->code), buf->msdu_id,
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(record->code == QDF_DP_TRACE_FREE_PACKET_PTR_RECORD) ?
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"status" : "vdev_id",
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buf->status);
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qdf_dpt_dump_hex_trace_debugfs(file, prepend_str,
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(uint8_t *)&buf->cookie,
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sizeof(buf->cookie));
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}
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/**
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* qdf_dpt_display_ptr_record_debugfs() - display record
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* @file: file to read
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* @record: dptrace record
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* @index: index
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*
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* Return: none
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*/
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static void qdf_dpt_display_record_debugfs(qdf_debugfs_file_t file,
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struct qdf_dp_trace_record_s *record,
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uint32_t index)
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{
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char prepend_str[50] = {'\0'};
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snprintf(prepend_str, sizeof(prepend_str),
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"%04d: %s %s",
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index,
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record->time,
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qdf_dp_code_to_string(record->code));
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qdf_dpt_dump_hex_trace_debugfs(file, prepend_str,
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record->data, record->size);
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}
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uint32_t qdf_dpt_get_curr_pos_debugfs(qdf_debugfs_file_t file,
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enum qdf_dpt_debugfs_state state)
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{
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uint32_t i = 0;
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uint32_t tail;
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uint32_t count = g_qdf_dp_trace_data.num;
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if (!g_qdf_dp_trace_data.enable) {
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QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_DEBUG,
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"%s: Tracing Disabled", __func__);
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return QDF_STATUS_E_EMPTY;
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}
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if (!count) {
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QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_DEBUG,
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"%s: no packets", __func__);
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return QDF_STATUS_E_EMPTY;
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}
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if (state == QDF_DPT_DEBUGFS_STATE_SHOW_IN_PROGRESS)
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return g_qdf_dp_trace_data.curr_pos;
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qdf_debugfs_printf(file,
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"DPT: config - bitmap 0x%x verb %u #rec %u live_config %u thresh %u time_limit %u\n",
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g_qdf_dp_trace_data.proto_bitmap,
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g_qdf_dp_trace_data.verbosity,
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g_qdf_dp_trace_data.no_of_record,
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g_qdf_dp_trace_data.live_mode_config,
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g_qdf_dp_trace_data.high_tput_thresh,
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g_qdf_dp_trace_data.thresh_time_limit);
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qdf_debugfs_printf(file,
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"STATS |DPT: icmp(%u %u) arp(%u %u) icmpv6(%u %u %u %u %u %u) dhcp(%u %u %u %u %u %u) eapol(%u %u %u %u %u)\n",
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g_qdf_dp_trace_data.icmp_req,
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g_qdf_dp_trace_data.icmp_resp,
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g_qdf_dp_trace_data.arp_req,
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g_qdf_dp_trace_data.arp_resp,
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g_qdf_dp_trace_data.icmpv6_req,
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g_qdf_dp_trace_data.icmpv6_resp,
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g_qdf_dp_trace_data.icmpv6_ns,
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g_qdf_dp_trace_data.icmpv6_na,
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g_qdf_dp_trace_data.icmpv6_rs,
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g_qdf_dp_trace_data.icmpv6_ra,
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g_qdf_dp_trace_data.dhcp_disc,
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g_qdf_dp_trace_data.dhcp_off,
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g_qdf_dp_trace_data.dhcp_req,
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g_qdf_dp_trace_data.dhcp_ack,
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g_qdf_dp_trace_data.dhcp_nack,
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g_qdf_dp_trace_data.dhcp_others,
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g_qdf_dp_trace_data.eapol_m1,
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g_qdf_dp_trace_data.eapol_m2,
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g_qdf_dp_trace_data.eapol_m3,
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g_qdf_dp_trace_data.eapol_m4,
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g_qdf_dp_trace_data.eapol_others);
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qdf_debugfs_printf(file,
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"DPT: Total Records: %d, Head: %d, Tail: %d\n",
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g_qdf_dp_trace_data.num, g_qdf_dp_trace_data.head,
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g_qdf_dp_trace_data.tail);
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spin_lock_bh(&l_dp_trace_lock);
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if (g_qdf_dp_trace_data.head != INVALID_QDF_DP_TRACE_ADDR) {
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i = g_qdf_dp_trace_data.head;
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tail = g_qdf_dp_trace_data.tail;
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if (count > g_qdf_dp_trace_data.num)
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count = g_qdf_dp_trace_data.num;
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if (tail >= (count - 1))
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i = tail - count + 1;
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else if (count != MAX_QDF_DP_TRACE_RECORDS)
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i = MAX_QDF_DP_TRACE_RECORDS - ((count - 1) -
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tail);
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g_qdf_dp_trace_data.curr_pos = 0;
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g_qdf_dp_trace_data.saved_tail = tail;
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}
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spin_unlock_bh(&l_dp_trace_lock);
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return i;
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}
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qdf_export_symbol(qdf_dpt_get_curr_pos_debugfs);
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QDF_STATUS qdf_dpt_dump_stats_debugfs(qdf_debugfs_file_t file,
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uint32_t curr_pos)
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{
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struct qdf_dp_trace_record_s p_record;
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uint32_t i = curr_pos;
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uint32_t tail = g_qdf_dp_trace_data.saved_tail;
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spin_lock_bh(&l_dp_trace_lock);
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p_record = g_qdf_dp_trace_tbl[i];
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spin_unlock_bh(&l_dp_trace_lock);
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for (;; ) {
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if ((file->size - file->count) < 100) {
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spin_lock_bh(&l_dp_trace_lock);
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g_qdf_dp_trace_data.curr_pos = i;
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spin_unlock_bh(&l_dp_trace_lock);
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return QDF_STATUS_E_FAILURE;
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}
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switch (p_record.code) {
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case QDF_DP_TRACE_TXRX_PACKET_PTR_RECORD:
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case QDF_DP_TRACE_TXRX_FAST_PACKET_PTR_RECORD:
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case QDF_DP_TRACE_FREE_PACKET_PTR_RECORD:
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qdf_dpt_display_ptr_record_debugfs(file, &p_record, i);
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break;
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case QDF_DP_TRACE_EAPOL_PACKET_RECORD:
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case QDF_DP_TRACE_DHCP_PACKET_RECORD:
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case QDF_DP_TRACE_ARP_PACKET_RECORD:
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case QDF_DP_TRACE_ICMP_PACKET_RECORD:
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case QDF_DP_TRACE_ICMPv6_PACKET_RECORD:
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qdf_dpt_display_proto_pkt_debugfs(file, &p_record, i);
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break;
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case QDF_DP_TRACE_MGMT_PACKET_RECORD:
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qdf_dpt_display_mgmt_pkt_debugfs(file, &p_record, i);
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break;
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case QDF_DP_TRACE_EVENT_RECORD:
|
||||
qdf_dpt_display_event_record_debugfs(file, &p_record,
|
||||
i);
|
||||
break;
|
||||
|
||||
case QDF_DP_TRACE_HDD_TX_TIMEOUT:
|
||||
qdf_debugfs_printf(file, "DPT: %04d: %s %s\n",
|
||||
i, p_record.time,
|
||||
qdf_dp_code_to_string(p_record.code));
|
||||
qdf_debugfs_printf(file, "%s: HDD TX Timeout\n");
|
||||
break;
|
||||
|
||||
case QDF_DP_TRACE_HDD_SOFTAP_TX_TIMEOUT:
|
||||
qdf_debugfs_printf(file, "%04d: %s %s\n",
|
||||
i, p_record.time,
|
||||
qdf_dp_code_to_string(p_record.code));
|
||||
qdf_debugfs_printf(file,
|
||||
"%s: HDD SoftAP TX Timeout\n");
|
||||
break;
|
||||
|
||||
case QDF_DP_TRACE_CE_FAST_PACKET_ERR_RECORD:
|
||||
qdf_debugfs_printf(file, "DPT: %04d: %s %s\n",
|
||||
i, p_record.time,
|
||||
qdf_dp_code_to_string(p_record.code));
|
||||
qdf_debugfs_printf(file,
|
||||
"%s: CE Fast Packet Error\n");
|
||||
break;
|
||||
|
||||
case QDF_DP_TRACE_MAX:
|
||||
qdf_debugfs_printf(file,
|
||||
"%s: QDF_DP_TRACE_MAX event should not be generated\n",
|
||||
__func__);
|
||||
break;
|
||||
|
||||
case QDF_DP_TRACE_HDD_TX_PACKET_RECORD:
|
||||
case QDF_DP_TRACE_HDD_RX_PACKET_RECORD:
|
||||
default:
|
||||
qdf_dpt_display_record_debugfs(file, &p_record, i);
|
||||
break;
|
||||
}
|
||||
|
||||
if (i == tail)
|
||||
break;
|
||||
i += 1;
|
||||
|
||||
spin_lock_bh(&l_dp_trace_lock);
|
||||
if (i == MAX_QDF_DP_TRACE_RECORDS)
|
||||
i = 0;
|
||||
|
||||
p_record = g_qdf_dp_trace_tbl[i];
|
||||
spin_unlock_bh(&l_dp_trace_lock);
|
||||
}
|
||||
return QDF_STATUS_SUCCESS;
|
||||
}
|
||||
qdf_export_symbol(qdf_dpt_dump_stats_debugfs);
|
||||
|
||||
/**
|
||||
* qdf_dpt_set_value_debugfs() - Configure the value to control DP trace
|
||||
* @proto_bitmap: defines the protocol to be tracked
|
||||
* @no_of_records: defines the nth packet which is traced
|
||||
* @verbosity: defines the verbosity level
|
||||
*
|
||||
* Return: None
|
||||
*/
|
||||
void qdf_dpt_set_value_debugfs(uint8_t proto_bitmap, uint8_t no_of_record,
|
||||
uint8_t verbosity)
|
||||
{
|
||||
g_qdf_dp_trace_data.proto_bitmap = proto_bitmap;
|
||||
g_qdf_dp_trace_data.no_of_record = no_of_record;
|
||||
g_qdf_dp_trace_data.verbosity = verbosity;
|
||||
}
|
||||
qdf_export_symbol(qdf_dpt_set_value_debugfs);
|
||||
|
||||
|
||||
/**
|
||||
* qdf_dp_trace_dump_all() - Dump data from ring buffer via call back functions
|
||||
|
||||
Reference in New Issue
Block a user