[source] ramips: support jumbo frame on mt7621 up to 2k
LEDE Commits
lede-commits at lists.infradead.org
Thu May 18 05:56:31 PDT 2017
blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/eee09bfe01e8cc2db1501f82dde7b9b6bb424faf
commit eee09bfe01e8cc2db1501f82dde7b9b6bb424faf
Author: Michael Lee <igvtee at gmail.com>
AuthorDate: Thu Apr 27 09:04:31 2017 +0800
ramips: support jumbo frame on mt7621 up to 2k
Signed-off-by: Michael Lee <igvtee at gmail.com>
---
...-next-mediatek-add-the-drivers-core-files.patch | 24 ++++++++++++++--------
...ext-mediatek-add-switch-driver-for-mt7620.patch | 8 +++++++-
...ext-mediatek-add-switch-driver-for-mt7621.patch | 15 ++++++++------
...-net-next-mediatek-add-support-for-mt7621.patch | 2 +-
4 files changed, 32 insertions(+), 17 deletions(-)
diff --git a/target/linux/ramips/patches-4.4/0501-net-next-mediatek-add-the-drivers-core-files.patch b/target/linux/ramips/patches-4.4/0501-net-next-mediatek-add-the-drivers-core-files.patch
index cc4c2a1..72ed2c5 100644
--- a/target/linux/ramips/patches-4.4/0501-net-next-mediatek-add-the-drivers-core-files.patch
+++ b/target/linux/ramips/patches-4.4/0501-net-next-mediatek-add-the-drivers-core-files.patch
@@ -600,7 +600,7 @@ Signed-off-by: Michael Lee <igvtee at gmail.com>
+#endif
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
-@@ -0,0 +1,1587 @@
+@@ -0,0 +1,1593 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
@@ -1945,6 +1945,10 @@ Signed-off-by: Michael Lee <igvtee at gmail.com>
+ if (!(priv->flags & FE_FLAG_JUMBO_FRAME))
+ return eth_change_mtu(dev, new_mtu);
+
++ if (IS_ENABLED(CONFIG_SOC_MT7621))
++ if (new_mtu > 2048)
++ return -EINVAL;
++
+ frag_size = fe_max_frag_size(new_mtu);
+ if (new_mtu < 68 || frag_size > PAGE_SIZE)
+ return -EINVAL;
@@ -1968,15 +1972,17 @@ Signed-off-by: Michael Lee <igvtee at gmail.com>
+ return 0;
+
+ fe_stop(dev);
-+ fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
-+ if (new_mtu <= ETH_DATA_LEN) {
-+ fwd_cfg &= ~FE_GDM1_JMB_EN;
-+ } else {
-+ fwd_cfg &= ~(FE_GDM1_JMB_LEN_MASK << FE_GDM1_JMB_LEN_SHIFT);
-+ fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) <<
-+ FE_GDM1_JMB_LEN_SHIFT) | FE_GDM1_JMB_EN;
++ if (!IS_ENABLED(CONFIG_SOC_MT7621)) {
++ fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
++ if (new_mtu <= ETH_DATA_LEN) {
++ fwd_cfg &= ~FE_GDM1_JMB_EN;
++ } else {
++ fwd_cfg &= ~(FE_GDM1_JMB_LEN_MASK << FE_GDM1_JMB_LEN_SHIFT);
++ fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) <<
++ FE_GDM1_JMB_LEN_SHIFT) | FE_GDM1_JMB_EN;
++ }
++ fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+ }
-+ fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+
+ return fe_open(dev);
+}
diff --git a/target/linux/ramips/patches-4.4/0503-net-next-mediatek-add-switch-driver-for-mt7620.patch b/target/linux/ramips/patches-4.4/0503-net-next-mediatek-add-switch-driver-for-mt7620.patch
index 59972bd..397d3bd 100644
--- a/target/linux/ramips/patches-4.4/0503-net-next-mediatek-add-switch-driver-for-mt7620.patch
+++ b/target/linux/ramips/patches-4.4/0503-net-next-mediatek-add-switch-driver-for-mt7620.patch
@@ -274,7 +274,7 @@ Signed-off-by: John Crispin <blogic at openwrt.org>
+MODULE_VERSION(MTK_FE_DRV_VERSION);
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/gsw_mt7620.h
-@@ -0,0 +1,117 @@
+@@ -0,0 +1,123 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
@@ -322,6 +322,12 @@ Signed-off-by: John Crispin <blogic at openwrt.org>
+#define GSW_REG_ISR 0x700c
+#define GSW_REG_GPC1 0x7014
+
++#define GSW_REG_MAC_P0_MCR 0x100
++#define GSW_REG_MAC_P1_MCR 0x200
++
++// Global MAC control register
++#define GSW_REG_GMACCR 0x30E0
++
+#define SYSC_REG_CHIP_REV_ID 0x0c
+#define SYSC_REG_CFG1 0x14
+#define RST_CTRL_MCM BIT(2)
diff --git a/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch b/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch
index 71192c9..28c5139 100644
--- a/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch
+++ b/target/linux/ramips/patches-4.4/0504-net-next-mediatek-add-switch-driver-for-mt7621.patch
@@ -14,7 +14,7 @@ Signed-off-by: John Crispin <blogic at openwrt.org>
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/gsw_mt7621.c
-@@ -0,0 +1,284 @@
+@@ -0,0 +1,287 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
@@ -115,17 +115,20 @@ Signed-off-by: John Crispin <blogic at openwrt.org>
+ usleep_range(10, 20);
+
+ if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) {
-+ /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
-+ mtk_switch_w32(gsw, 0x2105e30b, 0x100);
++ /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 2k) */
++ mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
+ mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
+ } else {
-+ /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
-+ mtk_switch_w32(gsw, 0x2105e33b, 0x100);
++ /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 2k) */
++ mtk_switch_w32(gsw, 0x2305e33b, GSW_REG_MAC_P0_MCR);
+ mt7530_mdio_w32(gsw, 0x3600, 0x5e33b);
+ }
+
+ /* (GE2, Link down) */
-+ mtk_switch_w32(gsw, 0x8000, 0x200);
++ mtk_switch_w32(gsw, 0x8000, GSW_REG_MAC_P1_MCR);
++
++ /* Set switch max RX frame length to 2k */
++ mt7530_mdio_w32(gsw, GSW_REG_GMACCR, 0x3F0B);
+
+ /* Enable Port 6, P5 as GMAC5, P5 disable */
+ val = mt7530_mdio_r32(gsw, 0x7804);
diff --git a/target/linux/ramips/patches-4.4/0509-net-next-mediatek-add-support-for-mt7621.patch b/target/linux/ramips/patches-4.4/0509-net-next-mediatek-add-support-for-mt7621.patch
index 6920545..6ea97c1 100644
--- a/target/linux/ramips/patches-4.4/0509-net-next-mediatek-add-support-for-mt7621.patch
+++ b/target/linux/ramips/patches-4.4/0509-net-next-mediatek-add-support-for-mt7621.patch
@@ -163,7 +163,7 @@ Signed-off-by: Michael Lee <igvtee at gmail.com>
+
+ priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
+ FE_FLAG_RX_SG_DMA | FE_FLAG_NAPI_WEIGHT |
-+ FE_FLAG_HAS_SWITCH;
++ FE_FLAG_HAS_SWITCH | FE_FLAG_JUMBO_FRAME;
+
+ netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+ NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_SG | NETIF_F_TSO |
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