diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 91 |
1 files changed, 47 insertions, 44 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 52c361a6124c..e136475a34f6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -69,6 +69,7 @@ #include "sta.h" #include "iwl-io.h" #include "debugfs.h" +#include "iwl-modparams.h" #include "fw/error-dump.h" static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file, @@ -1206,47 +1207,6 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } -/* - * Enable / Disable continuous recording. - * Cause the FW to start continuous recording, by sending the relevant hcmd. - * Enable: input of every integer larger than 0, ENABLE_CONT_RECORDING. - * Disable: for 0 as input, DISABLE_CONT_RECORDING. - */ -static ssize_t iwl_dbgfs_cont_recording_write(struct iwl_mvm *mvm, - char *buf, size_t count, - loff_t *ppos) -{ - struct iwl_trans *trans = mvm->trans; - const struct iwl_fw_dbg_dest_tlv_v1 *dest = trans->dbg_dest_tlv; - struct iwl_continuous_record_cmd cont_rec = {}; - int ret, rec_mode; - - if (!iwl_mvm_firmware_running(mvm)) - return -EIO; - - if (!dest) - return -EOPNOTSUPP; - - if (dest->monitor_mode != SMEM_MODE || - trans->cfg->device_family < IWL_DEVICE_FAMILY_8000) - return -EOPNOTSUPP; - - ret = kstrtoint(buf, 0, &rec_mode); - if (ret) - return ret; - - cont_rec.record_mode.enable_recording = rec_mode ? - cpu_to_le16(ENABLE_CONT_RECORDING) : - cpu_to_le16(DISABLE_CONT_RECORDING); - - mutex_lock(&mvm->mutex); - ret = iwl_mvm_send_cmd_pdu(mvm, LDBG_CONFIG_CMD, 0, - sizeof(cont_rec), &cont_rec); - mutex_unlock(&mvm->mutex); - - return ret ?: count; -} - static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) @@ -1722,11 +1682,33 @@ iwl_dbgfs_send_echo_cmd_write(struct iwl_mvm *mvm, char *buf, return ret ?: count; } +struct iwl_mvm_sniffer_apply { + struct iwl_mvm *mvm; + u16 aid; +}; + +static bool iwl_mvm_sniffer_apply(struct iwl_notif_wait_data *notif_data, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm_sniffer_apply *apply = data; + + apply->mvm->cur_aid = cpu_to_le16(apply->aid); + + return true; +} + static ssize_t iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf, - size_t count, loff_t *ppos) + size_t count, loff_t *ppos) { + struct iwl_notification_wait wait; struct iwl_he_monitor_cmd he_mon_cmd = {}; + struct iwl_mvm_sniffer_apply apply = { + .mvm = mvm, + }; + u16 wait_cmds[] = { + iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0), + }; u32 aid; int ret; @@ -1742,10 +1724,30 @@ iwl_dbgfs_he_sniffer_params_write(struct iwl_mvm *mvm, char *buf, he_mon_cmd.aid = cpu_to_le16(aid); + apply.aid = aid; + mutex_lock(&mvm->mutex); + + /* + * Use the notification waiter to get our function triggered + * in sequence with other RX. This ensures that frames we get + * on the RX queue _before_ the new configuration is applied + * still have mvm->cur_aid pointing to the old AID, and that + * frames on the RX queue _after_ the firmware processed the + * new configuration (and sent the response, synchronously) + * get mvm->cur_aid correctly set to the new AID. + */ + iwl_init_notification_wait(&mvm->notif_wait, &wait, + wait_cmds, ARRAY_SIZE(wait_cmds), + iwl_mvm_sniffer_apply, &apply); + ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(HE_AIR_SNIFFER_CONFIG_CMD, DATA_PATH_GROUP, 0), 0, sizeof(he_mon_cmd), &he_mon_cmd); + + /* no need to really wait, we already did anyway */ + iwl_remove_notification(&mvm->notif_wait, &wait); + mutex_unlock(&mvm->mutex); return ret ?: count; @@ -1800,7 +1802,6 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); -MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8); MVM_DEBUGFS_WRITE_FILE_OPS(max_amsdu_len, 8); MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); @@ -2004,7 +2005,6 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(max_amsdu_len, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200); - MVM_DEBUGFS_ADD_FILE(cont_recording, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200); MVM_DEBUGFS_ADD_FILE(inject_packet, mvm->debugfs_dir, 0200); #ifdef CONFIG_ACPI @@ -2071,6 +2071,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) if (!debugfs_create_blob("nvm_phy_sku", 0400, mvm->debugfs_dir, &mvm->nvm_phy_sku_blob)) goto err; + if (!debugfs_create_blob("nvm_reg", S_IRUSR, + mvm->debugfs_dir, &mvm->nvm_reg_blob)) + goto err; debugfs_create_file("mem", 0600, dbgfs_dir, mvm, &iwl_dbgfs_mem_ops); |