diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-11-10 11:57:41 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-11-26 16:38:48 +0200 |
| commit | 6c4fbcbc1c954d61711e3761a05283e980a6106e (patch) | |
| tree | 5464f212b278bd8a10b55eb630d71b0cd341d640 /drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | |
| parent | 7d1620451d4994d767bdcb23907209b21603d185 (diff) | |
| download | lwn-6c4fbcbc1c954d61711e3761a05283e980a6106e.tar.gz lwn-6c4fbcbc1c954d61711e3761a05283e980a6106e.zip | |
iwlwifi: add support for 12K Receive Buffers
802.11ac allows A-MSDU that can be up to 12KB long. Since
an entire A-MSDU needs to fit into one single Receive
Buffer (RB), add support for big RBs.
Since this adds lots of pressure to the memory manager and
significantly increase the true_size of the RX buffers,
don't enable this by default.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 3b8e85e51002..60b7fce88d32 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -379,8 +379,19 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, else vht_cap->cap |= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN; - if (iwlwifi_mod_params.amsdu_size_8K) + switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_4K: + vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895; + break; + case IWL_AMSDU_8K: vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991; + break; + case IWL_AMSDU_12K: + vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454; + break; + default: + break; + } vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 | |