diff options
author | Yedidya Benshimol <yedidya.ben.shimol@intel.com> | 2024-03-17 12:32:42 +0200 |
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committer | iwlwifi publisher <> | 2024-04-17 13:41:24 +0000 |
commit | 80d53489c09babc9132bd06d9b5bb8a313bba61f (patch) | |
tree | 0a5f20706598eb136061bd05f9fdde641e409cda | |
parent | dbdb660d5b59fd4ff09f14ffece6858f1c631e47 (diff) | |
download | backport-iwlwifi-80d53489c09babc9132bd06d9b5bb8a313bba61f.tar.gz |
wifi: iwlwifi: mvm: add a debugfs for reading EMLSR blocking reasons
Add a reading for all active EMLSR blocking reasons for testing
purposes.
type=feature
ticket=none
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Change-Id: Ic0fa6a9636e3c1a3b1420e85e704a19d4a56e8d9
Reviewed-on: https://gerritwcs.ir.intel.com/c/iwlwifi-stack-dev/+/99495
automatic-review: iil_jenkins iil_jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
tested: iil_jenkins iil_jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Tested-by: iil_jenkins iil_jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
(cherry picked from commit 65e5579419c783d5f6fb969a347ec88e750bb845)
Reviewed-on: https://gerritwcs.ir.intel.com/c/iwlwifi-stack-dev/+/100592
PerCI-Ready: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
x-iwlwifi-stack-dev: 48bca211f4ca1f4c44ec3ed86245b677ad43fab3
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c | 41 | ||||
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/link.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 2 | ||||
-rw-r--r-- | versions | 2 |
4 files changed, 41 insertions, 6 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index 510376debc..259c78d83d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -839,8 +839,41 @@ static ssize_t iwl_dbgfs_int_mlo_scan_write(struct ieee80211_vif *vif, return ret ?: count; } -static ssize_t iwl_dbgfs_block_esr_write(struct ieee80211_vif *vif, char *buf, - size_t count, loff_t *ppos) +static ssize_t iwl_dbgfs_esr_disable_reason_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + unsigned long esr_mask; + char *buf; + int bufsz, pos, i; + ssize_t rv; + + mutex_lock(&mvm->mutex); + esr_mask = mvmvif->esr_disable_reason; + mutex_unlock(&mvm->mutex); + + bufsz = hweight32(esr_mask) * 32 + 40; + buf = kmalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + pos = scnprintf(buf, bufsz, "EMLSR state: '0x%lx'\nreasons:\n", + esr_mask); + for_each_set_bit(i, &esr_mask, BITS_PER_LONG) + pos += scnprintf(buf + pos, bufsz - pos, " - %s\n", + iwl_get_esr_state_string(BIT(i))); + + rv = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return rv; +} + +static ssize_t iwl_dbgfs_esr_disable_reason_write(struct ieee80211_vif *vif, + char *buf, size_t count, + loff_t *ppos) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm *mvm = mvmvif->mvm; @@ -888,7 +921,7 @@ MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff); MVM_DEBUGFS_WRITE_FILE_OPS(twt_setup, 256); MVM_DEBUGFS_READ_WRITE_FILE_OPS(max_tx_op, 10); MVM_DEBUGFS_WRITE_FILE_OPS(int_mlo_scan, 32); -MVM_DEBUGFS_WRITE_FILE_OPS(block_esr, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(esr_disable_reason, 32); void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { @@ -921,7 +954,7 @@ void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif) debugfs_create_bool("ftm_unprotected", 0200, mvmvif->dbgfs_dir, &mvmvif->ftm_unprotected); MVM_DEBUGFS_ADD_FILE_VIF(int_mlo_scan, mvmvif->dbgfs_dir, 0200); - MVM_DEBUGFS_ADD_FILE_VIF(block_esr, mvmvif->dbgfs_dir, 0600); + MVM_DEBUGFS_ADD_FILE_VIF(esr_disable_reason, mvmvif->dbgfs_dir, 0600); if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p && mvmvif == mvm->bf_allowed_vif) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c index d9d510ba3a..0c8909f0b1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c @@ -22,7 +22,7 @@ static const char *const iwl_mvm_esr_states_names[] = { HANDLE_ESR_REASONS(NAME_ENTRY) }; -static const char *iwl_get_esr_state_string(enum iwl_mvm_esr_state state) +const char *iwl_get_esr_state_string(enum iwl_mvm_esr_state state) { int offs = ilog2(state); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index b2007f6347..621d65390e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -387,6 +387,8 @@ enum iwl_mvm_esr_state { #define IWL_MVM_BLOCK_ESR_REASONS 0xffff +const char *iwl_get_esr_state_string(enum iwl_mvm_esr_state state); + /** * struct iwl_mvm_esr_exit - details of the last exit from EMLSR mode. * @reason: The reason for the last exit from EMLSR. @@ -2,5 +2,5 @@ BACKPORTS_VERSION="(see git)" BACKPORTED_KERNEL_VERSION="(see git)" BACKPORTED_KERNEL_NAME="iwlwifi" BACKPORTS_BUILD_TSTAMP=__DATE__ \" \" __TIME__ -BACKPORTS_GIT_TRACKED="iwlwifi-stack-public:release/core87:12045:1f212343" +BACKPORTS_GIT_TRACKED="iwlwifi-stack-public:release/core87:12046:48bca211" BACKPORTS_BRANCH_TSTAMP="Apr 17 2024 13:11:40" |