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authorLuca Coelho <luciano.coelho@intel.com>2020-10-09 12:21:23 +0300
committerKalle Valo <kvalo@codeaurora.org>2020-10-09 18:04:50 +0300
commitb7d96bca1f004b5f26ee51ea9c9749a28dac8316 (patch)
tree2e5d5792b48ef6460b957f14451afd4fd663bf48
parent09b3ab8782e79e5ab13e0cd9fce8d27582f64d03 (diff)
Revert "iwlwifi: remove wide_cmd_header field"
This reverts commit 0a8159cbd11abf586693f1ec5264d0df587b71d8. It turns out that this flag is used by iwldvm, so we can't get rid of it. This broke iwldvm devices with BAD_COMMAND errors. Fixes: 0a8159cbd11a ("iwlwifi: remove wide_cmd_header field") Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/iwlwifi.20201009122123.3e4ee0ad7a71.Id6d95ae601f048aeb4d2ed63a1712e469da84369@changeid
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-trans.c2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-trans.h2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx.c5
4 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
index a26da96763dd..becee92a5fd6 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
@@ -200,7 +200,7 @@ int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
if (!(cmd->flags & CMD_ASYNC))
lock_map_acquire_read(&trans->sync_cmd_lockdep_map);
- if (!iwl_cmd_groupid(cmd->id))
+ if (trans->wide_cmd_header && !iwl_cmd_groupid(cmd->id))
cmd->id = DEF_ID(cmd->id);
ret = trans->ops->send_cmd(trans, cmd);
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index b70294e9d07b..11a040e75bf3 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -968,6 +968,7 @@ struct iwl_trans_txqs {
* @hw_id_str: a string with info about HW ID. Set during transport allocation.
* @pm_support: set to true in start_hw if link pm is supported
* @ltr_enabled: set to true if the LTR is enabled
+ * @wide_cmd_header: true when ucode supports wide command header format
* @num_rx_queues: number of RX queues allocated by the transport;
* the transport must set this before calling iwl_drv_start()
* @iml_len: the length of the image loader
@@ -1009,6 +1010,7 @@ struct iwl_trans {
const struct iwl_hcmd_arr *command_groups;
int command_groups_size;
+ bool wide_cmd_header;
u8 num_rx_queues;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 1e44a176b3d9..f1c5b3a9c26f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -761,6 +761,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
trans_cfg.rx_buf_size = rb_size_default;
}
+ trans->wide_cmd_header = true;
trans_cfg.bc_table_dword =
mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index 8c89e4a2f7f8..966be5689d63 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -1180,6 +1180,11 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
const u8 *cmddata[IWL_MAX_CMD_TBS_PER_TFD];
u16 cmdlen[IWL_MAX_CMD_TBS_PER_TFD];
+ if (WARN(!trans->wide_cmd_header &&
+ group_id > IWL_ALWAYS_LONG_GROUP,
+ "unsupported wide command %#x\n", cmd->id))
+ return -EINVAL;
+
if (group_id != 0) {
copy_size = sizeof(struct iwl_cmd_header_wide);
cmd_size = sizeof(struct iwl_cmd_header_wide);