diff options
Diffstat (limited to 'package/kernel/mac80211/patches/652-0006-rtl8xxxu-Allocate-larger-RX-skbs-when-aggregation-is.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/652-0006-rtl8xxxu-Allocate-larger-RX-skbs-when-aggregation-is.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/652-0006-rtl8xxxu-Allocate-larger-RX-skbs-when-aggregation-is.patch b/package/kernel/mac80211/patches/652-0006-rtl8xxxu-Allocate-larger-RX-skbs-when-aggregation-is.patch new file mode 100644 index 0000000000..1355826bfb --- /dev/null +++ b/package/kernel/mac80211/patches/652-0006-rtl8xxxu-Allocate-larger-RX-skbs-when-aggregation-is.patch @@ -0,0 +1,66 @@ +From 04319ae2f60974fa218f16fdf7a8576d1db6d673 Mon Sep 17 00:00:00 2001 +From: Jes Sorensen <Jes.Sorensen@redhat.com> +Date: Mon, 27 Jun 2016 12:32:04 -0400 +Subject: [PATCH] rtl8xxxu: Allocate larger RX skbs when aggregation is enabled + +This adds support for allocating larger skbs for devices which +indicate they support it. + +Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 2 ++ + drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 13 +++++++++---- + 2 files changed, 11 insertions(+), 4 deletions(-) + +--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h ++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +@@ -1247,6 +1247,7 @@ struct rtl8xxxu_priv { + u32 ep_tx_normal_queue:1; + u32 ep_tx_low_queue:1; + u32 has_xtalk:1; ++ u32 rx_buf_aggregation:1; + u8 xtalk; + unsigned int pipe_interrupt; + unsigned int pipe_in; +@@ -1330,6 +1331,7 @@ struct rtl8xxxu_fileops { + void (*report_connect) (struct rtl8xxxu_priv *priv, + u8 macid, bool connect); + int writeN_block_size; ++ int rx_agg_buf_size; + char tx_desc_size; + char rx_desc_size; + char has_s0s1; +--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c ++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +@@ -64,8 +64,6 @@ module_param_named(ht40_2g, rtl8xxxu_ht4 + MODULE_PARM_DESC(ht40_2g, "Enable HT40 support on the 2.4GHz band"); + + #define USB_VENDOR_ID_REALTEK 0x0bda +-/* Minimum IEEE80211_MAX_FRAME_LEN */ +-#define RTL_RX_BUFFER_SIZE IEEE80211_MAX_FRAME_LEN + #define RTL8XXXU_RX_URBS 32 + #define RTL8XXXU_RX_URB_PENDING_WATER 8 + #define RTL8XXXU_TX_URBS 64 +@@ -5271,12 +5269,19 @@ cleanup: + static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv, + struct rtl8xxxu_rx_urb *rx_urb) + { ++ struct rtl8xxxu_fileops *fops = priv->fops; + struct sk_buff *skb; + int skb_size; + int ret, rx_desc_sz; + +- rx_desc_sz = priv->fops->rx_desc_size; +- skb_size = rx_desc_sz + RTL_RX_BUFFER_SIZE; ++ rx_desc_sz = fops->rx_desc_size; ++ ++ if (priv->rx_buf_aggregation && fops->rx_agg_buf_size) ++ skb_size = fops->rx_agg_buf_size; ++ else ++ skb_size = IEEE80211_MAX_FRAME_LEN; ++ skb_size += rx_desc_sz; ++ + skb = __netdev_alloc_skb(NULL, skb_size, GFP_KERNEL); + if (!skb) + return -ENOMEM; |