diff options
Diffstat (limited to 'package/kernel/mac80211/patches/650-0013-rtl8xxxu-Enable-aggregation-for-rtl8723au.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/650-0013-rtl8xxxu-Enable-aggregation-for-rtl8723au.patch | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/650-0013-rtl8xxxu-Enable-aggregation-for-rtl8723au.patch b/package/kernel/mac80211/patches/650-0013-rtl8xxxu-Enable-aggregation-for-rtl8723au.patch new file mode 100644 index 0000000000..a8f151b6d8 --- /dev/null +++ b/package/kernel/mac80211/patches/650-0013-rtl8xxxu-Enable-aggregation-for-rtl8723au.patch @@ -0,0 +1,89 @@ +From 7e9f37893c874ff2a01dfbf73d31d3de37359fc7 Mon Sep 17 00:00:00 2001 +From: Jes Sorensen <Jes.Sorensen@redhat.com> +Date: Mon, 16 May 2016 21:50:57 -0400 +Subject: [PATCH] rtl8xxxu: Enable aggregation for rtl8723au + +Implement rtl8xxxu_gen1_init_aggregation(). Aggregation should be the +same for all gen1 parts. We may want to allow for tuning parameters in +the fileopes struct. For now this is based allocating 16KB RX buffers, +leaving 16000 bytes for actual packets, and the rest for the skb +overhead. + +Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> +--- + drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 1 + + .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c | 2 ++ + .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 34 ++++++++++++++++++++++ + 3 files changed, 37 insertions(+) + +--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h ++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +@@ -1412,6 +1412,7 @@ void rtl8xxxu_gen1_report_connect(struct + u8 macid, bool connect); + void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv, + u8 macid, bool connect); ++void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv); + void rtl8xxxu_gen1_enable_rf(struct rtl8xxxu_priv *priv); + void rtl8xxxu_gen1_disable_rf(struct rtl8xxxu_priv *priv); + void rtl8xxxu_gen2_disable_rf(struct rtl8xxxu_priv *priv); +--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c ++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c +@@ -377,6 +377,7 @@ struct rtl8xxxu_fileops rtl8723au_fops = + .phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate, + .config_channel = rtl8xxxu_gen1_config_channel, + .parse_rx_desc = rtl8xxxu_parse_rxdesc16, ++ .init_aggregation = rtl8xxxu_gen1_init_aggregation, + .enable_rf = rtl8xxxu_gen1_enable_rf, + .disable_rf = rtl8xxxu_gen1_disable_rf, + .usb_quirks = rtl8xxxu_gen1_usb_quirks, +@@ -384,6 +385,7 @@ struct rtl8xxxu_fileops rtl8723au_fops = + .update_rate_mask = rtl8xxxu_update_rate_mask, + .report_connect = rtl8xxxu_gen1_report_connect, + .writeN_block_size = 1024, ++ .rx_agg_buf_size = 16000, + .tx_desc_size = sizeof(struct rtl8xxxu_txdesc32), + .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16), + .adda_1t_init = 0x0b1b25a0, +--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c ++++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +@@ -4405,6 +4405,40 @@ void rtl8xxxu_gen2_report_connect(struct + rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt)); + } + ++void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv) ++{ ++ u8 agg_ctrl, usb_spec, page_thresh; ++ ++ usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION); ++ usb_spec &= ~USB_SPEC_USB_AGG_ENABLE; ++ ++ agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL); ++ agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN; ++ ++ 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 ++ * which matches the 512 byte rounding we have to do when de-muxing ++ * the packets. ++ * ++ * Sample numbers from the vendor driver: ++ * USB High-Speed mode values: ++ * RxAggBlockCount = 8 : 512 byte unit ++ * RxAggBlockTimeout = 6 ++ * RxAggPageCount = 48 : 128 byte unit ++ * RxAggPageTimeout = 4 or 6 (absolute time 34ms/(2^6)) ++ */ ++ ++ page_thresh = (priv->fops->rx_agg_buf_size / 512); ++ rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH, page_thresh); ++ rtl8xxxu_write8(priv, REG_USB_DMA_AGG_TO, 4); ++ priv->rx_buf_aggregation = 1; ++} ++ + static void rtl8xxxu_set_basic_rates(struct rtl8xxxu_priv *priv, u32 rate_cfg) + { + u32 val32; |