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| author | John Crispin <blogic@openwrt.org> | 2014-06-02 12:44:54 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2014-06-02 12:44:54 +0000 |
| commit | 1ec9a71c225b9b3fd1f8c68281b6bc0c99d59ce4 (patch) | |
| tree | e45bf829190388c70c70a7951793e8fb1eb1a5af | |
| parent | 0554a8581258e0cd72a1ae97b5a7336c647c0238 (diff) | |
| download | master-187ad058-1ec9a71c225b9b3fd1f8c68281b6bc0c99d59ce4.tar.gz master-187ad058-1ec9a71c225b9b3fd1f8c68281b6bc0c99d59ce4.tar.bz2 master-187ad058-1ec9a71c225b9b3fd1f8c68281b6bc0c99d59ce4.zip | |
mac80211: query driver for max A-MPDU length exponent
This patch enables netifd to query 802.11ac-driver for the maximum
supported A-MPDU length exponent, possibly increasing VHT throughput by
more aggressive frame aggregation.
v2: refreshed patch
Signed-off-by: Matti Laakso <malaakso at elisanet.fi>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40938 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh index 3bd912dc0a..b19b928cea 100644 --- a/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh +++ b/package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh @@ -36,7 +36,7 @@ drv_mac80211_init_device_config() { htc_vht \ rx_antenna_pattern \ tx_antenna_pattern - config_add_int vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc + config_add_int vht_max_a_mpdu_len_exp vht_max_mpdu vht_link_adapt vht160 rx_stbc tx_stbc } drv_mac80211_init_iface_config() { @@ -202,6 +202,7 @@ mac80211_hostapd_setup_base() { htc_vht:1 \ rx_antenna_pattern:1 \ tx_antenna_pattern:1 \ + vht_max_a_mpdu_len_exp:7 \ vht_max_mpdu:11454 \ rx_stbc:4 \ tx_stbc:4 \ @@ -253,6 +254,24 @@ mac80211_hostapd_setup_base() { vht_max_mpdu_hw=11454 [ "$vht_max_mpdu_hw" != 3895 ] && \ vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]" + + # maximum A-MPDU length exponent + vht_max_a_mpdu_len_exp_hw=0 + [ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \ + vht_max_a_mpdu_len_exp_hw=1 + [ "$(($vht_cap & 58720256))" -ge 16777216 -a 2 -le "$vht_max_a_mpdu_len_exp" ] && \ + vht_max_a_mpdu_len_exp_hw=2 + [ "$(($vht_cap & 58720256))" -ge 25165824 -a 3 -le "$vht_max_a_mpdu_len_exp" ] && \ + vht_max_a_mpdu_len_exp_hw=3 + [ "$(($vht_cap & 58720256))" -ge 33554432 -a 4 -le "$vht_max_a_mpdu_len_exp" ] && \ + vht_max_a_mpdu_len_exp_hw=4 + [ "$(($vht_cap & 58720256))" -ge 41943040 -a 5 -le "$vht_max_a_mpdu_len_exp" ] && \ + vht_max_a_mpdu_len_exp_hw=5 + [ "$(($vht_cap & 58720256))" -ge 50331648 -a 6 -le "$vht_max_a_mpdu_len_exp" ] && \ + vht_max_a_mpdu_len_exp_hw=6 + [ "$(($vht_cap & 58720256))" -ge 58720256 -a 7 -le "$vht_max_a_mpdu_len_exp" ] && \ + vht_max_a_mpdu_len_exp_hw=7 + vht_capab="$vht_capab[MAX-A-MPDU-LEN-EXP$vht_max_a_mpdu_len_exp_hw]" # whether or not the STA supports link adaptation using VHT variant vht_link_adapt_hw=0 |