Skip to content

Commit

Permalink
net/wireless/iwlwifi: fix iwlwifi_dev_ucode_error tracepoint
Browse files Browse the repository at this point in the history
fix iwlwifi_dev_ucode_error tracepoint to pass pointer to a table
instead of all 17 arguments by value.
dvm/main.c and mvm/utils.c have 'struct iwl_error_event_table'
defined with very similar yet subtly different fields and offsets.
tracepoint is still common and using definition of 'struct iwl_error_event_table'
from dvm/commands.h while copying fields.
Long term this tracepoint probably should be split into two.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
  • Loading branch information
Alexei Starovoitov authored and borkmann committed Mar 28, 2018
1 parent 14624a9 commit 4fe43c2
Show file tree
Hide file tree
Showing 4 changed files with 21 additions and 33 deletions.
7 changes: 1 addition & 6 deletions drivers/net/wireless/intel/iwlwifi/dvm/main.c
Original file line number Diff line number Diff line change
Expand Up @@ -1651,12 +1651,7 @@ static void iwl_dump_nic_error_log(struct iwl_priv *priv)
priv->status, table.valid);
}

trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.line,
table.blink2, table.ilink1, table.ilink2,
table.bcon_time, table.gp1, table.gp2,
table.gp3, table.ucode_ver, table.hw_ver,
0, table.brd_ver);
trace_iwlwifi_dev_ucode_error(trans->dev, &table, 0, table.brd_ver);
IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(priv, "0x%08X | uPc\n", table.pc);
Expand Down
39 changes: 18 additions & 21 deletions drivers/net/wireless/intel/iwlwifi/iwl-devtrace-iwlwifi.h
Original file line number Diff line number Diff line change
Expand Up @@ -126,14 +126,11 @@ TRACE_EVENT(iwlwifi_dev_tx,
__entry->framelen, __entry->skbaddr)
);

struct iwl_error_event_table;
TRACE_EVENT(iwlwifi_dev_ucode_error,
TP_PROTO(const struct device *dev, u32 desc, u32 tsf_low,
u32 data1, u32 data2, u32 line, u32 blink2, u32 ilink1,
u32 ilink2, u32 bcon_time, u32 gp1, u32 gp2, u32 rev_type,
u32 major, u32 minor, u32 hw_ver, u32 brd_ver),
TP_ARGS(dev, desc, tsf_low, data1, data2, line,
blink2, ilink1, ilink2, bcon_time, gp1, gp2,
rev_type, major, minor, hw_ver, brd_ver),
TP_PROTO(const struct device *dev, const struct iwl_error_event_table *table,
u32 hw_ver, u32 brd_ver),
TP_ARGS(dev, table, hw_ver, brd_ver),
TP_STRUCT__entry(
DEV_ENTRY
__field(u32, desc)
Expand All @@ -155,20 +152,20 @@ TRACE_EVENT(iwlwifi_dev_ucode_error,
),
TP_fast_assign(
DEV_ASSIGN;
__entry->desc = desc;
__entry->tsf_low = tsf_low;
__entry->data1 = data1;
__entry->data2 = data2;
__entry->line = line;
__entry->blink2 = blink2;
__entry->ilink1 = ilink1;
__entry->ilink2 = ilink2;
__entry->bcon_time = bcon_time;
__entry->gp1 = gp1;
__entry->gp2 = gp2;
__entry->rev_type = rev_type;
__entry->major = major;
__entry->minor = minor;
__entry->desc = table->error_id;
__entry->tsf_low = table->tsf_low;
__entry->data1 = table->data1;
__entry->data2 = table->data2;
__entry->line = table->line;
__entry->blink2 = table->blink2;
__entry->ilink1 = table->ilink1;
__entry->ilink2 = table->ilink2;
__entry->bcon_time = table->bcon_time;
__entry->gp1 = table->gp1;
__entry->gp2 = table->gp2;
__entry->rev_type = table->gp3;
__entry->major = table->ucode_ver;
__entry->minor = table->hw_ver;
__entry->hw_ver = hw_ver;
__entry->brd_ver = brd_ver;
),
Expand Down
1 change: 1 addition & 0 deletions drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
#ifndef __CHECKER__
#include "iwl-trans.h"

#include "dvm/commands.h"
#define CREATE_TRACE_POINTS
#include "iwl-devtrace.h"

Expand Down
7 changes: 1 addition & 6 deletions drivers/net/wireless/intel/iwlwifi/mvm/utils.c
Original file line number Diff line number Diff line change
Expand Up @@ -549,12 +549,7 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u32 base)

IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version);

trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.data3,
table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
table.gp2, table.fw_rev_type, table.major,
table.minor, table.hw_ver, table.brd_ver);
trace_iwlwifi_dev_ucode_error(trans->dev, &table, table.hw_ver, table.brd_ver);
IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(mvm, "0x%08X | trm_hw_status0\n", table.trm_hw_status0);
Expand Down

0 comments on commit 4fe43c2

Please sign in to comment.