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iwlwifi: pcie: change 12k A-MSDU config to use 16k buffers 

If 12k A-MSDU size is requested, we will actually allocate 16k
due to page allocation. Thus, change it to actually mean 16k,
which is useful for certain sniffer use cases.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.84ae405829d4.I31184f4be31f7c3feb9a29aef3a111e70d15c64a@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2020-12-09 23:16:29 +02:00 committed by Luca Coelho
parent cf5b462768
commit 3fa965c2dd
5 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h
View File

@ -98,6 +98,7 @@ enum iwl_prph_scratch_mtr_format {
* appropriately; use the below values for this.
* @IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K: 8kB RB size
* @IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K: 12kB RB size
* @IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K: 16kB RB size
*/
enum iwl_prph_scratch_flags {
IWL_PRPH_SCRATCH_EARLY_DEBUG_EN = BIT(4),
@ -111,6 +112,7 @@ enum iwl_prph_scratch_flags {
IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK = 0xf << 20,
IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K = 8 << 20,
IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K = 9 << 20,
IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K = 10 << 20,
};
/*

2
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
View File

@ -1835,7 +1835,7 @@ MODULE_PARM_DESC(11n_disable,
module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);
MODULE_PARM_DESC(amsdu_size,
"amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, "
"4K for other devices 1:4K 2:8K 3:12K 4: 2K (default 0)");
"4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)");
module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");

4
drivers/net/wireless/intel/iwlwifi/iwl-trans.h
View File

@ -373,7 +373,7 @@ iwl_trans_get_rb_size_order(enum iwl_amsdu_size rb_size)
case IWL_AMSDU_8K:
return get_order(8 * 1024);
case IWL_AMSDU_12K:
return get_order(12 * 1024);
return get_order(16 * 1024);
default:
WARN_ON(1);
return -1;
@ -391,7 +391,7 @@ iwl_trans_get_rb_size(enum iwl_amsdu_size rb_size)
case IWL_AMSDU_8K:
return 8 * 1024;
case IWL_AMSDU_12K:
return 12 * 1024;
return 16 * 1024;
default:
WARN_ON(1);
return 0;

2
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
View File

@ -148,7 +148,7 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
case IWL_AMSDU_12K:
control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K;
/* if firmware supports the ext size, tell it */
control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K;
control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_EXT_16K;
break;
}

2
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
View File

@ -243,7 +243,7 @@ int iwl_pcie_ctxt_info_init(struct iwl_trans *trans,
rb_size = IWL_CTXT_INFO_RB_SIZE_8K;
break;
case IWL_AMSDU_12K:
rb_size = IWL_CTXT_INFO_RB_SIZE_12K;
rb_size = IWL_CTXT_INFO_RB_SIZE_16K;
break;
default:
WARN_ON(1);