mac80211: use upstream patches for rtl8xxxu

Also improves rtl8188eu support.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 70 insertions, 0 deletions

diff --git a/package/kernel/mac80211/patches/657-0054-rtl8xxxu-Handle-devices-with-a-smaller-LLT-buffer.patch b/package/kernel/mac80211/patches/657-0054-rtl8xxxu-Handle-devices-with-a-smaller-LLT-buffer.patch
new file mode 100644
index 0000000000..ab70e97d5a
--- /dev/null
+++ b/package/kernel/mac80211/patches/657-0054-rtl8xxxu-Handle-devices-with-a-smaller-LLT-buffer.patch
@@ -0,0 +1,70 @@
+From e323c5bec51a24315dd622587e9b9694c773d615 Mon Sep 17 00:00:00 2001
+From: Jes Sorensen <Jes.Sorensen@redhat.com>
+Date: Wed, 31 Aug 2016 16:31:38 -0400
+Subject: [PATCH] rtl8xxxu: Handle devices with a smaller LLT buffer
+
+The 8188e (except for I cut parts) seem to have a smaller LLT buffer
+than all other known devices.
+
+Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
+---
+ drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h       |  1 +
+ drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c |  1 +
+ drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c  | 11 ++++++++---
+ 3 files changed, 10 insertions(+), 3 deletions(-)
+
+--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+@@ -1410,6 +1410,7 @@ struct rtl8xxxu_fileops {
+ 	u8 page_num_hi;
+ 	u8 page_num_lo;
+ 	u8 page_num_norm;
++	u8 last_llt_entry;
+ };
+ 
+ extern int rtl8xxxu_debug;
+--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
+@@ -1454,4 +1454,5 @@ struct rtl8xxxu_fileops rtl8188eu_fops =
+ 	.page_num_hi = TX_PAGE_NUM_HI_PQ_8188E,
+ 	.page_num_lo = TX_PAGE_NUM_LO_PQ_8188E,
+ 	.page_num_norm = TX_PAGE_NUM_NORM_PQ_8188E,
++	.last_llt_entry = 176,
+ };
+--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+@@ -2485,11 +2485,16 @@ static int rtl8xxxu_llt_write(struct rtl
+ int rtl8xxxu_init_llt_table(struct rtl8xxxu_priv *priv)
+ {
+ 	int ret;
+-	int i;
++	int i, last_entry;
+ 	u8 last_tx_page;
+ 
+ 	last_tx_page = priv->fops->total_page_num;
+ 
++	if (priv->fops->last_llt_entry)
++		last_entry = priv->fops->last_llt_entry;
++	else
++		last_entry = 255;
++
+ 	for (i = 0; i < last_tx_page; i++) {
+ 		ret = rtl8xxxu_llt_write(priv, i, i + 1);
+ 		if (ret)
+@@ -2501,14 +2506,14 @@ int rtl8xxxu_init_llt_table(struct rtl8x
+ 		goto exit;
+ 
+ 	/* Mark remaining pages as a ring buffer */
+-	for (i = last_tx_page + 1; i < 0xff; i++) {
++	for (i = last_tx_page + 1; i < last_entry; i++) {
+ 		ret = rtl8xxxu_llt_write(priv, i, (i + 1));
+ 		if (ret)
+ 			goto exit;
+ 	}
+ 
+ 	/*  Let last entry point to the start entry of ring buffer */
+-	ret = rtl8xxxu_llt_write(priv, 0xff, last_tx_page + 1);
++	ret = rtl8xxxu_llt_write(priv, last_entry, last_tx_page + 1);
+ 	if (ret)
+ 		goto exit;
+