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Fix AC coverage calculation in driver. (#710) 

For some reason, there was code in the driver to block the setting of
the coverage when a previous setting wasn't a particular value.
It's unclear what this was trying to achieve or prevent, but it stopped AC
devices operating efficiently (by a factor of 10x or more).
This commit is contained in:
Tim Wilkinson 2023-02-12 13:50:49 -08:00 committed by GitHub
parent 6834271946
commit 214a93367a
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 16 deletions
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22
files/usr/local/bin/mgr/lqm.lua
View File

@ -227,12 +227,6 @@ function lqm()
-- Let things startup for a while before we begin
wait_for_ticks(math.max(1, 30 - nixio.sysinfo().uptime))
-- Detect ath10k - we need some special handling (for the moment)
local is_ath10k = false
if nixio.fs.stat("/sys/kernel/debug/ieee80211/" .. phy .. "/ath10k") then
is_ath10k = true
end
-- Create filters (cannot create during install as they disappear on reboot)
os.execute(NFT .. " flush chain ip fw4 input_lqm 2> /dev/null")
os.execute(NFT .. " delete chain ip fw4 input_lqm 2> /dev/null")
@ -246,9 +240,7 @@ function lqm()
-- We dont know any distances yet
os.execute(IW .. " " .. phy .. " set distance auto > /dev/null 2>&1")
-- Or any hidden nodes
if not is_ath10k then
os.execute(IW .. " " .. phy .. " set rts off > /dev/null 2>&1")
end
os.execute(IW .. " " .. phy .. " set rts off > /dev/null 2>&1")
local noise = -95
local tracker = {}
@ -892,13 +884,11 @@ function lqm()
hidden[#hidden + 1] = ninfo
end
-- Don't adjust RTS on ath10k for the moment - appear to be some bug to be worked out here
if not is_ath10k then
if (#hidden == 0) ~= (#hidden_nodes == 0) and config.rts_threshold >= 0 and config.rts_threshold <= 2347 then
if #hidden > 0 then
os.execute(IW .. " " .. phy .. " set rts " .. config.rts_threshold .. " > /dev/null 2>&1")
else
os.execute(IW .. " " .. phy .. " set rts off > /dev/null 2>&1")
end
if (#hidden == 0) ~= (#hidden_nodes == 0) and config.rts_threshold >= 0 and config.rts_threshold <= 2347 then
if #hidden > 0 then
os.execute(IW .. " " .. phy .. " set rts " .. config.rts_threshold .. " > /dev/null 2>&1")
else
os.execute(IW .. " " .. phy .. " set rts off > /dev/null 2>&1")
end
end
hidden_nodes = hidden

19
patches/742-5-and-10mhz-ath10k-ct-support.patch
View File

@ -275,3 +275,22 @@ Index: openwrt/package/kernel/ath10k-ct/patches/999-0002-ath10k-5_10Mhz.patch
+
+ /* Use random MAC address for TA for Probe Request frame and add
+ * OUI specified by WMI_SCAN_PROB_REQ_OUI_CMDID to the Probe Request frame.
--- /dev/null
+++ openwrt/package/kernel/ath10k-ct/patches/999-0004-ath10k-coverage.patch
@@ -0,0 +1,16 @@
+--- a/ath10k-5.15/hw.c
++++ b/ath10k-5.15/hw.c
+@@ -665,13 +665,6 @@
+
+ slottime = MS(slottime_reg, WAVE1_PCU_GBL_IFS_SLOT);
+ slottime = slottime / phyclk;
+- if (slottime != 9 && slottime != 20) {
+- ath10k_warn(ar,
+- "failed to set coverage class: expected slot time of 9 or 20us in HW register. It is %uus.\n",
+- slottime);
+-
+- goto store_regs;
+- }
+
+ /* Recalculate the register values by adding the additional propagation
+ * delay (3us per coverage class).