aboutsummaryrefslogtreecommitdiffstats
path: root/package/kernel/mac80211/patches/652-0010-rtl8xxxu-Make-DMA-aggregation-optional-by-setting-a-.patch
diff options
context:
space:
mode:
authorÁlvaro Fernández Rojas <noltari@gmail.com>2016-09-29 09:48:09 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2016-09-29 10:32:41 +0200
commitc795794eef8737f6272b2acce9025807af52da81 (patch)
treee827cc19dc4d140021b84dae65e2ea28eb090d5d /package/kernel/mac80211/patches/652-0010-rtl8xxxu-Make-DMA-aggregation-optional-by-setting-a-.patch
parent71144844e109bbf0ef62984eeadabbf5702a1cee (diff)
downloadupstream-c795794eef8737f6272b2acce9025807af52da81.tar.gz
upstream-c795794eef8737f6272b2acce9025807af52da81.tar.bz2
upstream-c795794eef8737f6272b2acce9025807af52da81.zip
mac80211: use upstream patches for rtl8xxxu
Also improves rtl8188eu support. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'package/kernel/mac80211/patches/652-0010-rtl8xxxu-Make-DMA-aggregation-optional-by-setting-a-.patch')
-rw-r--r--package/kernel/mac80211/patches/652-0010-rtl8xxxu-Make-DMA-aggregation-optional-by-setting-a-.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/652-0010-rtl8xxxu-Make-DMA-aggregation-optional-by-setting-a-.patch b/package/kernel/mac80211/patches/652-0010-rtl8xxxu-Make-DMA-aggregation-optional-by-setting-a-.patch
new file mode 100644
index 0000000000..27a8522f2a
--- /dev/null
+++ b/package/kernel/mac80211/patches/652-0010-rtl8xxxu-Make-DMA-aggregation-optional-by-setting-a-.patch
@@ -0,0 +1,55 @@
+From 82cce22acd8ec7c75087825f23c053a642e7b672 Mon Sep 17 00:00:00 2001
+From: Jes Sorensen <Jes.Sorensen@redhat.com>
+Date: Mon, 27 Jun 2016 12:32:08 -0400
+Subject: [PATCH] rtl8xxxu: Make DMA aggregation optional by setting a module
+ parameter
+
+Let the default to off until we have more data on the right default
+tuning values.
+
+Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
+Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
+---
+ drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+@@ -44,6 +44,7 @@
+
+ int rtl8xxxu_debug = RTL8XXXU_DEBUG_EFUSE;
+ static bool rtl8xxxu_ht40_2g;
++static bool rtl8xxxu_dma_aggregation;
+
+ MODULE_AUTHOR("Jes Sorensen <Jes.Sorensen@redhat.com>");
+ MODULE_DESCRIPTION("RTL8XXXu USB mac80211 Wireless LAN Driver");
+@@ -62,6 +63,8 @@ module_param_named(debug, rtl8xxxu_debug
+ MODULE_PARM_DESC(debug, "Set debug mask");
+ module_param_named(ht40_2g, rtl8xxxu_ht40_2g, bool, 0600);
+ MODULE_PARM_DESC(ht40_2g, "Enable HT40 support on the 2.4GHz band");
++module_param_named(dma_aggregation, rtl8xxxu_dma_aggregation, bool, 0600);
++MODULE_PARM_DESC(dma_aggregation, "Enable DMA packet aggregation");
+
+ #define USB_VENDOR_ID_REALTEK 0x0bda
+ #define RTL8XXXU_RX_URBS 32
+@@ -4411,14 +4414,18 @@ void rtl8xxxu_gen1_init_aggregation(stru
+
+ usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION);
+ usb_spec &= ~USB_SPEC_USB_AGG_ENABLE;
++ rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec);
+
+ agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
+ agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
+
+- agg_ctrl |= TRXDMA_CTRL_RXDMA_AGG_EN;
++ if (!rtl8xxxu_dma_aggregation) {
++ rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
++ return;
++ }
+
++ agg_ctrl |= TRXDMA_CTRL_RXDMA_AGG_EN;
+ rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
+- rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec);
+
+ /*
+ * The number of packets we can take looks to be buffer size / 512