iwlwifi: change max HT and VHT A-MPDU exponent
Add two new parameters to iwl_cfg:
max_ht_ampdu_exponent and max_vht_ampdu_exponent.
These parameters, if set, will set new values to the maximum of
HT and VHT A-MPDU exponent for the A-MPDU length exponent.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index c302e74..06e02fc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -325,6 +325,8 @@
{
int num_rx_ants = num_of_ant(rx_chains);
int num_tx_ants = num_of_ant(tx_chains);
+ unsigned int max_ampdu_exponent = (cfg->max_vht_ampdu_exponent ?:
+ IEEE80211_VHT_MAX_AMPDU_1024K);
vht_cap->vht_supported = true;
@@ -332,7 +334,8 @@
IEEE80211_VHT_CAP_RXSTBC_1 |
IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT |
- 7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+ max_ampdu_exponent <<
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
if (cfg->ht_params->ldpc)
vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC;