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iwlwifi: mvm: add debugfs entry with the number of net-detect scans

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Our testers need to know the number of scans performed while in
net-detect mode before the device wakes up.  The firmware already
passes this information to the driver, so we can save it and report it
in a debugfs entry.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Luciano Coelho 2015-03-30 20:46:32 +03:00 • committed by Emmanuel Grumbach
parent 7b9d74e44a
commit 484b3d13b4
3 changed files with 8 additions and 0 deletions
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4
drivers/net/wireless/iwlwifi/mvm/d3.c
View file

@ -1726,6 +1726,10 @@ iwl_mvm_netdetect_query_results(struct iwl_mvm *mvm,
results->matched_profiles = le32_to_cpu(query->matched_profiles); results->matched_profiles = le32_to_cpu(query->matched_profiles);
memcpy(results->matches, query->matches, sizeof(results->matches)); memcpy(results->matches, query->matches, sizeof(results->matches));
#ifdef CPTCFG_IWLWIFI_DEBUGFS
mvm->last_netdetect_scans = le32_to_cpu(query->n_scans_done);
#endif
out_free_resp: out_free_resp:
iwl_free_resp(&cmd); iwl_free_resp(&cmd);
return ret; return ret;

3
drivers/net/wireless/iwlwifi/mvm/debugfs.c
View file

@ -1569,6 +1569,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR, if (!debugfs_create_bool("d3_wake_sysassert", S_IRUSR | S_IWUSR,
mvm->debugfs_dir, &mvm->d3_wake_sysassert)) mvm->debugfs_dir, &mvm->d3_wake_sysassert))
goto err; goto err;
if (!debugfs_create_u32("last_netdetect_scans", S_IRUSR,
mvm->debugfs_dir, &mvm->last_netdetect_scans))
goto err;
MVM_DEBUGFS_ADD_FILE(netdetect, mvm->debugfs_dir, S_IRUSR | S_IWUSR); MVM_DEBUGFS_ADD_FILE(netdetect, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
#endif #endif

1
drivers/net/wireless/iwlwifi/mvm/mvm.h
View file

@ -748,6 +748,7 @@ struct iwl_mvm {
void *d3_resume_sram; void *d3_resume_sram;
u32 d3_test_pme_ptr; u32 d3_test_pme_ptr;
struct ieee80211_vif *keep_vif; struct ieee80211_vif *keep_vif;
u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
#endif #endif
#endif #endif