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wlcore: gather information about firmware stability

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It's sometimes useful to gather information about the firmware
stability in long test runs, especially to see if problems are
recurring frequently or not.  With this commit we count the number of
times a hardware recovery was issued and print it out during recovery
and in the driver_state in debugfs.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Luciano Coelho 2012-11-26 18:05:49 +02:00
parent 518b680a8e
commit c108c90535
3 changed files with 6 additions and 1 deletions
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1
drivers/net/wireless/ti/wlcore/debugfs.c
View file

@ -490,6 +490,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf,
DRIVER_STATE_PRINT_HEX(chip.id);
DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str);
DRIVER_STATE_PRINT_INT(recovery_count);
#undef DRIVER_STATE_PRINT_INT
#undef DRIVER_STATE_PRINT_LONG

4
drivers/net/wireless/ti/wlcore/main.c
View file

@ -879,7 +879,8 @@ static void wlcore_print_recovery(struct wl1271 *wl)
if (ret < 0)
return;
wl1271_info("pc: 0x%x, hint_sts: 0x%08x", pc, hint_sts);
wl1271_info("pc: 0x%x, hint_sts: 0x%08x count: %d",
pc, hint_sts, ++wl->recovery_count);
wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
}
@ -5685,6 +5686,7 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size,
wl->flags = 0;
wl->sg_enabled = true;
wl->sleep_auth = WL1271_PSM_ILLEGAL;
wl->recovery_count = 0;
wl->hw_pg_ver = -1;
wl->ap_ps_map = 0;
wl->ap_fw_ps_map = 0;

2
drivers/net/wireless/ti/wlcore/wlcore.h
View file

@ -337,6 +337,8 @@ struct wl1271 {
bool enable_11a;
int recovery_count;
/* Most recently reported noise in dBm */
s8 noise;