From 77b9fd52a62f42ce2388a502e795291ae0b18dd5 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Fri, 28 Jun 2013 11:22:11 +0000 Subject: [PATCH] ramips: fix ethernet driver make sure the driver does not crash under load Signed-off-by: John Crispin SVN-Revision: 37058 --- ...-MIPS-add-ralink-SoC-ethernet-driver.patch | 348 +++++++++++------- .../linux/ramips/patches-3.9/0999-net.patch | 160 -------- 2 files changed, 213 insertions(+), 295 deletions(-) delete mode 100644 target/linux/ramips/patches-3.9/0999-net.patch diff --git a/target/linux/ramips/patches-3.9/0159-NET-MIPS-add-ralink-SoC-ethernet-driver.patch b/target/linux/ramips/patches-3.9/0159-NET-MIPS-add-ralink-SoC-ethernet-driver.patch index 5cf4b9153219..86219ac3757e 100644 --- a/target/linux/ramips/patches-3.9/0159-NET-MIPS-add-ralink-SoC-ethernet-driver.patch +++ b/target/linux/ramips/patches-3.9/0159-NET-MIPS-add-ralink-SoC-ethernet-driver.patch @@ -1,7 +1,7 @@ -From 12ea1efe1496e936d1cecc4de97ee55321aceee9 Mon Sep 17 00:00:00 2001 +From 1efe3ce91ab951090ac8db1872f0de32e0a88de8 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Mon, 22 Apr 2013 23:20:03 +0200 -Subject: [PATCH 159/164] NET: MIPS: add ralink SoC ethernet driver +Subject: [PATCH] NET: MIPS: add ralink SoC ethernet driver Add support for Ralink FE and ESW. @@ -19,15 +19,16 @@ Signed-off-by: John Crispin drivers/net/ethernet/ralink/gsw_mt7620a.h | 29 + drivers/net/ethernet/ralink/mdio.c | 245 ++++ drivers/net/ethernet/ralink/mdio.h | 29 + - drivers/net/ethernet/ralink/mdio_rt2880.c | 163 +++ - drivers/net/ethernet/ralink/mdio_rt2880.h | 25 + - drivers/net/ethernet/ralink/ralink_soc_eth.c | 759 ++++++++++ - drivers/net/ethernet/ralink/ralink_soc_eth.h | 372 +++++ + drivers/net/ethernet/ralink/mdio_rt2880.c | 232 ++++ + drivers/net/ethernet/ralink/mdio_rt2880.h | 26 + + drivers/net/ethernet/ralink/ralink_soc_eth.c | 746 ++++++++++ + drivers/net/ethernet/ralink/ralink_soc_eth.h | 374 +++++ drivers/net/ethernet/ralink/soc_mt7620.c | 111 ++ drivers/net/ethernet/ralink/soc_rt2880.c | 51 + - drivers/net/ethernet/ralink/soc_rt305x.c | 102 ++ - drivers/net/ethernet/ralink/soc_rt3883.c | 59 + - 20 files changed, 4546 insertions(+) + drivers/net/ethernet/ralink/soc_rt305x.c | 113 ++ + drivers/net/ethernet/ralink/soc_rt3883.c | 60 + + drivers/watchdog/rt2880_wdt.c | 9 +- + 21 files changed, 4622 insertions(+), 4 deletions(-) create mode 100644 arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h create mode 100644 drivers/net/ethernet/ralink/Kconfig create mode 100644 drivers/net/ethernet/ralink/Makefile @@ -46,10 +47,11 @@ Signed-off-by: John Crispin create mode 100644 drivers/net/ethernet/ralink/soc_rt305x.c create mode 100644 drivers/net/ethernet/ralink/soc_rt3883.c -Index: linux-3.9.6/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h 2013-06-27 18:26:34.965452647 +0200 +diff --git a/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h b/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h +new file mode 100644 +index 0000000..2098c5c +--- /dev/null ++++ b/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h @@ -0,0 +1,27 @@ +/* + * Ralink RT305x SoC platform device registration @@ -78,11 +80,11 @@ Index: linux-3.9.6/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h +}; + +#endif /* _RT305X_ESW_PLATFORM_H */ -Index: linux-3.9.6/arch/mips/ralink/rt305x.c -=================================================================== ---- linux-3.9.6.orig/arch/mips/ralink/rt305x.c 2013-06-27 18:26:34.177452613 +0200 -+++ linux-3.9.6/arch/mips/ralink/rt305x.c 2013-06-27 18:26:34.965452647 +0200 -@@ -221,6 +221,7 @@ +diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c +index ca7ee3a..1a6b458 100644 +--- a/arch/mips/ralink/rt305x.c ++++ b/arch/mips/ralink/rt305x.c +@@ -221,6 +221,7 @@ void __init ralink_clk_init(void) } ralink_clk_add("cpu", cpu_rate); @@ -90,11 +92,11 @@ Index: linux-3.9.6/arch/mips/ralink/rt305x.c ralink_clk_add("10000b00.spi", sys_rate); ralink_clk_add("10000100.timer", wdt_rate); ralink_clk_add("10000120.watchdog", wdt_rate); -Index: linux-3.9.6/drivers/net/ethernet/Kconfig -=================================================================== ---- linux-3.9.6.orig/drivers/net/ethernet/Kconfig 2013-06-13 19:52:08.000000000 +0200 -+++ linux-3.9.6/drivers/net/ethernet/Kconfig 2013-06-27 18:26:34.965452647 +0200 -@@ -135,6 +135,7 @@ +diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig +index ed956e0..0b3caa1 100644 +--- a/drivers/net/ethernet/Kconfig ++++ b/drivers/net/ethernet/Kconfig +@@ -135,6 +135,7 @@ config ETHOC source "drivers/net/ethernet/packetengines/Kconfig" source "drivers/net/ethernet/pasemi/Kconfig" source "drivers/net/ethernet/qlogic/Kconfig" @@ -102,11 +104,11 @@ Index: linux-3.9.6/drivers/net/ethernet/Kconfig source "drivers/net/ethernet/realtek/Kconfig" source "drivers/net/ethernet/renesas/Kconfig" source "drivers/net/ethernet/rdc/Kconfig" -Index: linux-3.9.6/drivers/net/ethernet/Makefile -=================================================================== ---- linux-3.9.6.orig/drivers/net/ethernet/Makefile 2013-06-13 19:52:08.000000000 +0200 -+++ linux-3.9.6/drivers/net/ethernet/Makefile 2013-06-27 18:26:34.969452647 +0200 -@@ -53,6 +53,7 @@ +diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile +index 8268d85..508c494 100644 +--- a/drivers/net/ethernet/Makefile ++++ b/drivers/net/ethernet/Makefile +@@ -53,6 +53,7 @@ obj-$(CONFIG_ETHOC) += ethoc.o obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/ obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/ obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/ @@ -114,10 +116,11 @@ Index: linux-3.9.6/drivers/net/ethernet/Makefile obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/ obj-$(CONFIG_SH_ETH) += renesas/ obj-$(CONFIG_NET_VENDOR_RDC) += rdc/ -Index: linux-3.9.6/drivers/net/ethernet/ralink/Kconfig -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/Kconfig 2013-06-27 18:26:34.969452647 +0200 +diff --git a/drivers/net/ethernet/ralink/Kconfig b/drivers/net/ethernet/ralink/Kconfig +new file mode 100644 +index 0000000..ca2c9ad +--- /dev/null ++++ b/drivers/net/ethernet/ralink/Kconfig @@ -0,0 +1,31 @@ +config NET_RALINK + tristate "Ralink RT288X/RT3X5X/RT3662/RT3883/MT7620 ethernet driver" @@ -150,10 +153,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/Kconfig + select PHYLIB + select SWCONFIG +endif -Index: linux-3.9.6/drivers/net/ethernet/ralink/Makefile -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/Makefile 2013-06-27 18:26:34.969452647 +0200 +diff --git a/drivers/net/ethernet/ralink/Makefile b/drivers/net/ethernet/ralink/Makefile +new file mode 100644 +index 0000000..a38fa21 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/Makefile @@ -0,0 +1,18 @@ +# +# Makefile for the Ralink SoCs built-in ethernet macs @@ -173,10 +177,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/Makefile +ralink-eth-$(CONFIG_SOC_MT7620) += soc_mt7620.o + +obj-$(CONFIG_NET_RALINK) += ralink-eth.o -Index: linux-3.9.6/drivers/net/ethernet/ralink/esw_rt3052.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/esw_rt3052.c 2013-06-27 18:26:34.969452647 +0200 +diff --git a/drivers/net/ethernet/ralink/esw_rt3052.c b/drivers/net/ethernet/ralink/esw_rt3052.c +new file mode 100644 +index 0000000..b937062 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/esw_rt3052.c @@ -0,0 +1,1463 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -1641,10 +1646,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/esw_rt3052.c +{ + platform_driver_unregister(&esw_driver); +} -Index: linux-3.9.6/drivers/net/ethernet/ralink/esw_rt3052.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/esw_rt3052.h 2013-06-27 18:26:34.969452647 +0200 +diff --git a/drivers/net/ethernet/ralink/esw_rt3052.h b/drivers/net/ethernet/ralink/esw_rt3052.h +new file mode 100644 +index 0000000..2ced3dff +--- /dev/null ++++ b/drivers/net/ethernet/ralink/esw_rt3052.h @@ -0,0 +1,32 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -1678,10 +1684,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/esw_rt3052.h + +#endif +#endif -Index: linux-3.9.6/drivers/net/ethernet/ralink/gsw_mt7620a.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/gsw_mt7620a.c 2013-06-27 18:26:34.973452648 +0200 +diff --git a/drivers/net/ethernet/ralink/gsw_mt7620a.c b/drivers/net/ethernet/ralink/gsw_mt7620a.c +new file mode 100644 +index 0000000..9fa6a54 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/gsw_mt7620a.c @@ -0,0 +1,1027 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -2710,10 +2717,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/gsw_mt7620a.c + + return 0; +} -Index: linux-3.9.6/drivers/net/ethernet/ralink/gsw_mt7620a.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/gsw_mt7620a.h 2013-06-27 18:26:34.973452648 +0200 +diff --git a/drivers/net/ethernet/ralink/gsw_mt7620a.h b/drivers/net/ethernet/ralink/gsw_mt7620a.h +new file mode 100644 +index 0000000..fd4add5 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/gsw_mt7620a.h @@ -0,0 +1,29 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -2744,10 +2752,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/gsw_mt7620a.h +extern int mt7620a_has_carrier(struct fe_priv *priv); + +#endif -Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/mdio.c 2013-06-27 18:26:34.973452648 +0200 +diff --git a/drivers/net/ethernet/ralink/mdio.c b/drivers/net/ethernet/ralink/mdio.c +new file mode 100644 +index 0000000..b265c75 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/mdio.c @@ -0,0 +1,245 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -2994,10 +3003,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio.c + of_node_put(priv->mii_bus->dev.of_node); + kfree(priv->mii_bus); +} -Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/mdio.h 2013-06-27 18:26:34.973452648 +0200 +diff --git a/drivers/net/ethernet/ralink/mdio.h b/drivers/net/ethernet/ralink/mdio.h +new file mode 100644 +index 0000000..c3910a0 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/mdio.h @@ -0,0 +1,29 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -3028,11 +3038,12 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio.h +static inline void fe_mdio_cleanup(struct fe_priv *priv) {} +#endif +#endif -Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c 2013-06-27 18:39:42.817486817 +0200 -@@ -0,0 +1,163 @@ +diff --git a/drivers/net/ethernet/ralink/mdio_rt2880.c b/drivers/net/ethernet/ralink/mdio_rt2880.c +new file mode 100644 +index 0000000..701c7b6 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/mdio_rt2880.c +@@ -0,0 +1,232 @@ +/* + * 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 @@ -3067,6 +3078,7 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c + +#include "ralink_soc_eth.h" +#include "mdio_rt2880.h" ++#include "mdio.h" + +#define FE_MDIO_RETRY 1000 + @@ -3084,7 +3096,7 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c + return "?"; +} + -+void rt2880_mdio_link_adjust(struct fe_priv *priv) ++void rt2880_mdio_link_adjust(struct fe_priv *priv, int port) +{ + u32 mdio_cfg; + @@ -3101,10 +3113,10 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c + if (priv->phy->duplex[0] == DUPLEX_FULL) + mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX; + -+ if (priv->phy->tx_fc) ++ if (priv->phy->tx_fc[0]) + mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX; + -+ if (priv->phy->rx_fc) ++ if (priv->phy->rx_fc[0]) + mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX; + + switch (priv->phy->speed[0]) { @@ -3196,11 +3208,80 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c + + return rt2880_mdio_wait_ready(priv); +} -Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.h 2013-06-27 18:39:42.817486817 +0200 -@@ -0,0 +1,25 @@ ++ ++void rt2880_port_init(struct fe_priv *priv, struct device_node *np) ++{ ++ const __be32 *id = of_get_property(np, "reg", NULL); ++ const __be32 *link; ++ int size; ++ int phy_mode; ++ ++ if (!id || (be32_to_cpu(*id) != 0)) { ++ pr_err("%s: invalid port id\n", np->name); ++ return; ++ } ++ ++ priv->phy->phy_fixed[0] = of_get_property(np, "ralink,fixed-link", &size); ++ if (priv->phy->phy_fixed[0] && (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) { ++ pr_err("%s: invalid fixed link property\n", np->name); ++ priv->phy->phy_fixed[0] = NULL; ++ return; ++ } ++ ++ phy_mode = of_get_phy_mode(np); ++ switch (phy_mode) { ++ case PHY_INTERFACE_MODE_RGMII: ++ break; ++ case PHY_INTERFACE_MODE_MII: ++ break; ++ case PHY_INTERFACE_MODE_RMII: ++ break; ++ default: ++ if (!priv->phy->phy_fixed[0]) ++ dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[0]); ++ break; ++ } ++ ++ priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0); ++ if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0]) ++ return; ++ ++ if (priv->phy->phy_fixed[0]) { ++ link = priv->phy->phy_fixed[0]; ++ priv->phy->speed[0] = be32_to_cpup(link++); ++ priv->phy->duplex[0] = be32_to_cpup(link++); ++ priv->phy->tx_fc[0] = be32_to_cpup(link++); ++ priv->phy->rx_fc[0] = be32_to_cpup(link++); ++ ++ priv->link[0] = 1; ++ switch (priv->phy->speed[0]) { ++ case SPEED_10: ++ break; ++ case SPEED_100: ++ break; ++ case SPEED_1000: ++ break; ++ default: ++ dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[0]); ++ priv->phy->phy_fixed[0] = 0; ++ return; ++ } ++ dev_info(priv->device, "using fixed link parameters\n"); ++ rt2880_mdio_link_adjust(priv, 0); ++ return; ++ } ++ if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) { ++ fe_connect_phy_node(priv, priv->phy->phy_node[0]); ++ } ++ ++ return; ++} +diff --git a/drivers/net/ethernet/ralink/mdio_rt2880.h b/drivers/net/ethernet/ralink/mdio_rt2880.h +new file mode 100644 +index 0000000..51e3633 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/mdio_rt2880.h +@@ -0,0 +1,26 @@ +/* + * 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 @@ -3221,16 +3302,18 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.h +#ifndef _RALINK_MDIO_RT2880_H__ +#define _RALINK_MDIO_RT2880_H__ + -+void rt2880_mdio_link_adjust(struct fe_priv *priv); ++void rt2880_mdio_link_adjust(struct fe_priv *priv, int port); +int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg); +int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); ++void rt2880_port_init(struct fe_priv *priv, struct device_node *np); + +#endif -Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c 2013-06-27 18:26:34.977452648 +0200 -@@ -0,0 +1,762 @@ +diff --git a/drivers/net/ethernet/ralink/ralink_soc_eth.c b/drivers/net/ethernet/ralink/ralink_soc_eth.c +new file mode 100644 +index 0000000..d75c669 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/ralink_soc_eth.c +@@ -0,0 +1,746 @@ +/* + * 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 @@ -3544,12 +3627,10 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c +{ + struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi); + int idx = fe_reg_r32(FE_REG_RX_CALC_IDX0); -+ unsigned long flags; + int complete = 0; + int rx = 0; + + while ((rx < budget) && !complete) { -+ + idx = (idx + 1) % NUM_DMA_DESC; + + if (priv->rx_dma[idx].rxd2 & RX_DMA_DONE) { @@ -3571,7 +3652,7 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + priv->rx_skb[idx]->ip_summed = CHECKSUM_NONE; + priv->netdev->stats.rx_packets++; + priv->netdev->stats.rx_bytes += pktlen; -+ netif_rx(priv->rx_skb[idx]); ++ netif_receive_skb(priv->rx_skb[idx]); + + priv->rx_skb[idx] = new_skb; + @@ -3585,13 +3666,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + priv->netdev->stats.rx_dropped++; + } + -+ spin_lock_irqsave(&priv->page_lock, flags); + if (priv->soc->rx_dma) + priv->soc->rx_dma(priv, idx, MAX_RX_LENGTH); + else + priv->rx_dma[idx].rxd2 = RX_DMA_LSO; + fe_reg_w32(idx, FE_REG_RX_CALC_IDX0); -+ spin_unlock_irqrestore(&priv->page_lock, flags); + + rx++; + } else { @@ -3599,26 +3678,23 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + } + } + -+ if (complete || !rx) { ++ if (complete) { + napi_complete(&priv->rx_napi); -+ spin_lock_irqsave(&priv->page_lock, flags); + fe_int_enable(priv->soc->rx_dly_int); -+ spin_unlock_irqrestore(&priv->page_lock, flags); + } + + return rx; +} + -+static int fe_poll_tx(struct napi_struct *napi, int budget) ++static void fe_tx_housekeeping(unsigned long ptr) +{ -+ struct fe_priv *priv = container_of(napi, struct fe_priv, tx_napi); ++ struct net_device *dev = (struct net_device*)ptr; ++ struct fe_priv *priv = netdev_priv(dev); + unsigned int bytes_compl = 0; + unsigned int pkts_compl = 0; -+ struct netdev_queue *txq; -+ unsigned long flags; + -+ spin_lock_irqsave(&priv->page_lock, flags); -+ while (pkts_compl < budget) { ++ spin_lock(&priv->page_lock); ++ while (1) { + struct fe_tx_dma *txd; + + txd = &priv->tx_dma[priv->tx_free_idx]; @@ -3635,26 +3711,18 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + if (priv->tx_free_idx >= NUM_DMA_DESC) + priv->tx_free_idx = 0; + } -+ spin_unlock_irqrestore(&priv->page_lock, flags); + -+ txq = netdev_get_tx_queue(priv->netdev, 0); -+ if (netif_tx_queue_stopped(txq)) -+ netif_tx_start_queue(txq); -+ -+ napi_complete(napi); + netdev_completed_queue(priv->netdev, pkts_compl, bytes_compl); ++ spin_unlock(&priv->page_lock); + -+ spin_lock_irqsave(&priv->page_lock, flags); + fe_int_enable(priv->soc->tx_dly_int); -+ spin_unlock_irqrestore(&priv->page_lock, flags); -+ -+ return pkts_compl; +} + +static void fe_tx_timeout(struct net_device *dev) +{ + struct fe_priv *priv = netdev_priv(dev); + ++ tasklet_schedule(&priv->tx_tasklet); + priv->netdev->stats.tx_errors++; + netdev_err(dev, "transmit timed out, waking up the queue\n"); + netif_wake_queue(dev); @@ -3679,7 +3747,7 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + + if (status & priv->soc->tx_dly_int) { + fe_int_disable(priv->soc->tx_dly_int); -+ napi_schedule(&priv->tx_napi); ++ tasklet_schedule(&priv->tx_tasklet); + } + + fe_reg_w32(status, FE_REG_FE_INT_STATUS); @@ -3717,6 +3785,8 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + for (i = 0; i < 16; i += 2) + fe_w32((i + 1) << 16 | i, fe_reg_table[FE_REG_FE_DMA_VID_BASE] + (i * 4)); + ++ tasklet_init(&priv->tx_tasklet, fe_tx_housekeeping, (unsigned long)dev); ++ + if (priv->soc->fwd_config) { + priv->soc->fwd_config(priv); + } else { @@ -3756,7 +3826,6 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + + spin_lock_irqsave(&priv->page_lock, flags); + napi_enable(&priv->rx_napi); -+ napi_enable(&priv->tx_napi); + + val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN; + val |= priv->soc->pdma_glo_cfg; @@ -3790,7 +3859,6 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + + spin_lock_irqsave(&priv->page_lock, flags); + napi_disable(&priv->rx_napi); -+ napi_disable(&priv->tx_napi); + + fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) & + ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN), @@ -3850,6 +3918,8 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c +{ + struct fe_priv *priv = netdev_priv(dev); + ++ tasklet_kill(&priv->tx_tasklet); ++ + if (priv->phy) + priv->phy->disconnect(priv); + fe_mdio_cleanup(priv); @@ -3930,11 +4000,9 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + kfree(netdev); + return err; + } -+ + netif_napi_add(netdev, &priv->rx_napi, fe_poll_rx, 32); -+ netif_napi_add(netdev, &priv->tx_napi, fe_poll_tx, 8); + -+ platform_set_drvdata(pdev, netdev); ++ platform_set_drvdata(pdev, netdev); + + netdev_info(netdev, "done loading\n"); + @@ -3948,7 +4016,6 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c + + netif_stop_queue(dev); + netif_napi_del(&priv->rx_napi); -+ netif_napi_del(&priv->tx_napi); + + unregister_netdev(dev); + free_netdev(dev); @@ -3993,11 +4060,12 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.c +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("John Crispin "); +MODULE_DESCRIPTION("Ethernet driver for Ralink SoC"); -Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.h 2013-06-27 18:39:42.817486817 +0200 -@@ -0,0 +1,372 @@ +diff --git a/drivers/net/ethernet/ralink/ralink_soc_eth.h b/drivers/net/ethernet/ralink/ralink_soc_eth.h +new file mode 100644 +index 0000000..85bc881 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/ralink_soc_eth.h +@@ -0,0 +1,374 @@ +/* + * 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 @@ -4301,6 +4369,8 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.h + const __be32 *phy_fixed[8]; + int duplex[8]; + int speed[8]; ++ int tx_fc[8]; ++ int rx_fc[8]; + spinlock_t lock; + + int (*connect)(struct fe_priv *priv); @@ -4347,13 +4417,13 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.h + unsigned long sysclk; + + struct fe_rx_dma *rx_dma; -+ struct sk_buff *rx_skb[NUM_DMA_DESC]; + struct napi_struct rx_napi; ++ struct sk_buff *rx_skb[NUM_DMA_DESC]; + dma_addr_t rx_phys; + + struct fe_tx_dma *tx_dma; ++ struct tasklet_struct tx_tasklet; + struct sk_buff *tx_skb[NUM_DMA_DESC]; -+ struct napi_struct tx_napi; + dma_addr_t tx_phys; + unsigned int tx_free_idx; + @@ -4370,10 +4440,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.h +u32 fe_r32(unsigned reg); + +#endif /* FE_ETH_H */ -Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_mt7620.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/soc_mt7620.c 2013-06-27 18:26:34.977452648 +0200 +diff --git a/drivers/net/ethernet/ralink/soc_mt7620.c b/drivers/net/ethernet/ralink/soc_mt7620.c +new file mode 100644 +index 0000000..55e303f +--- /dev/null ++++ b/drivers/net/ethernet/ralink/soc_mt7620.c @@ -0,0 +1,111 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -4486,10 +4557,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_mt7620.c +}; + +MODULE_DEVICE_TABLE(of, of_fe_match); -Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt2880.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/soc_rt2880.c 2013-06-27 18:36:41.649478961 +0200 +diff --git a/drivers/net/ethernet/ralink/soc_rt2880.c b/drivers/net/ethernet/ralink/soc_rt2880.c +new file mode 100644 +index 0000000..1110947 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/soc_rt2880.c @@ -0,0 +1,51 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -4542,10 +4614,11 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt2880.c +}; + +MODULE_DEVICE_TABLE(of, of_fe_match); -Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt305x.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/soc_rt305x.c 2013-06-27 18:26:34.977452648 +0200 +diff --git a/drivers/net/ethernet/ralink/soc_rt305x.c b/drivers/net/ethernet/ralink/soc_rt305x.c +new file mode 100644 +index 0000000..482ca1f +--- /dev/null ++++ b/drivers/net/ethernet/ralink/soc_rt305x.c @@ -0,0 +1,113 @@ +/* + * This program is free software; you can redistribute it and/or modify @@ -4660,11 +4733,12 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt305x.c +}; + +MODULE_DEVICE_TABLE(of, of_fe_match); -Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt3883.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.9.6/drivers/net/ethernet/ralink/soc_rt3883.c 2013-06-27 18:39:42.817486817 +0200 -@@ -0,0 +1,59 @@ +diff --git a/drivers/net/ethernet/ralink/soc_rt3883.c b/drivers/net/ethernet/ralink/soc_rt3883.c +new file mode 100644 +index 0000000..c660529 +--- /dev/null ++++ b/drivers/net/ethernet/ralink/soc_rt3883.c +@@ -0,0 +1,60 @@ +/* + * 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 @@ -4714,7 +4788,8 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt3883.c + .checksum_bit = RX_DMA_L4VALID, + .mdio_read = rt2880_mdio_read, + .mdio_write = rt2880_mdio_write, -+ .mdio_link_adjust = rt2880_mdio_link_adjust, ++ .mdio_adjust_link = rt2880_mdio_link_adjust, ++ .port_init = rt2880_port_init, +}; + +const struct of_device_id of_fe_match[] = { @@ -4724,3 +4799,6 @@ Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt3883.c + +MODULE_DEVICE_TABLE(of, of_fe_match); + +-- +1.7.10.4 + diff --git a/target/linux/ramips/patches-3.9/0999-net.patch b/target/linux/ramips/patches-3.9/0999-net.patch deleted file mode 100644 index 954c747022e6..000000000000 --- a/target/linux/ramips/patches-3.9/0999-net.patch +++ /dev/null @@ -1,160 +0,0 @@ -From 194f30e932952d74438fce68006f30f5a180459b Mon Sep 17 00:00:00 2001 -From: John Crispin -Date: Sat, 22 Jun 2013 20:36:21 +0200 -Subject: [PATCH] net - ---- - drivers/net/ethernet/ralink/mdio_rt2880.c | 48 ++++++++++++++++++++++++-- - drivers/net/ethernet/ralink/mdio_rt2880.h | 3 +- - drivers/net/ethernet/ralink/ralink_soc_eth.h | 2 ++ - drivers/net/ethernet/ralink/soc_rt3883.c | 3 +- - 4 files changed, 51 insertions(+), 5 deletions(-) - -Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c -=================================================================== ---- linux-3.9.6.orig/drivers/net/ethernet/ralink/mdio_rt2880.c 2013-06-22 22:46:13.596610936 +0200 -+++ linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.c 2013-06-22 23:25:29.536713089 +0200 -@@ -32,6 +32,7 @@ - - #include "ralink_soc_eth.h" - #include "mdio_rt2880.h" -+#include "mdio.h" - - #define FE_MDIO_RETRY 1000 - -@@ -49,7 +50,7 @@ - return "?"; - } - --void rt2880_mdio_link_adjust(struct fe_priv *priv) -+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port) - { - u32 mdio_cfg; - -@@ -66,10 +67,10 @@ - if (priv->phy->duplex[0] == DUPLEX_FULL) - mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX; - -- if (priv->phy->tx_fc) -+ if (priv->phy->tx_fc[0]) - mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX; - -- if (priv->phy->rx_fc) -+ if (priv->phy->rx_fc[0]) - mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX; - - switch (priv->phy->speed[0]) { -@@ -161,3 +162,71 @@ - - return rt2880_mdio_wait_ready(priv); - } -+ -+void rt2880_port_init(struct fe_priv *priv, struct device_node *np) -+{ -+ const __be32 *id = of_get_property(np, "reg", NULL); -+ const __be32 *link; -+ int size; -+ int phy_mode; -+ -+ if (!id || (be32_to_cpu(*id) != 0)) { -+ pr_err("%s: invalid port id\n", np->name); -+ return; -+ } -+ -+ priv->phy->phy_fixed[0] = of_get_property(np, "ralink,fixed-link", &size); -+ if (priv->phy->phy_fixed[0] && (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) { -+ pr_err("%s: invalid fixed link property\n", np->name); -+ priv->phy->phy_fixed[0] = NULL; -+ return; -+ } -+ -+ phy_mode = of_get_phy_mode(np); -+ switch (phy_mode) { -+ case PHY_INTERFACE_MODE_RGMII: -+ break; -+ case PHY_INTERFACE_MODE_MII: -+ break; -+ case PHY_INTERFACE_MODE_RMII: -+ break; -+ default: -+ if (!priv->phy->phy_fixed[0]) -+ dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[0]); -+ break; -+ } -+ -+ priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0); -+ if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0]) -+ return; -+ -+ if (priv->phy->phy_fixed[0]) { -+ link = priv->phy->phy_fixed[0]; -+ priv->phy->speed[0] = be32_to_cpup(link++); -+ priv->phy->duplex[0] = be32_to_cpup(link++); -+ priv->phy->tx_fc[0] = be32_to_cpup(link++); -+ priv->phy->rx_fc[0] = be32_to_cpup(link++); -+ -+ priv->link[0] = 1; -+ switch (priv->phy->speed[0]) { -+ case SPEED_10: -+ break; -+ case SPEED_100: -+ break; -+ case SPEED_1000: -+ break; -+ default: -+ dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[0]); -+ priv->phy->phy_fixed[0] = 0; -+ return; -+ } -+ dev_info(priv->device, "using fixed link parameters\n"); -+ rt2880_mdio_link_adjust(priv, 0); -+ return; -+ } -+ if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) { -+ fe_connect_phy_node(priv, priv->phy->phy_node[0]); -+ } -+ -+ return; -+} -Index: linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.h -=================================================================== ---- linux-3.9.6.orig/drivers/net/ethernet/ralink/mdio_rt2880.h 2013-06-22 22:46:13.600610937 +0200 -+++ linux-3.9.6/drivers/net/ethernet/ralink/mdio_rt2880.h 2013-06-22 22:46:13.744610945 +0200 -@@ -18,8 +18,9 @@ - #ifndef _RALINK_MDIO_RT2880_H__ - #define _RALINK_MDIO_RT2880_H__ - --void rt2880_mdio_link_adjust(struct fe_priv *priv); -+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port); - int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg); - int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val); -+void rt2880_port_init(struct fe_priv *priv, struct device_node *np); - - #endif -Index: linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.h -=================================================================== ---- linux-3.9.6.orig/drivers/net/ethernet/ralink/ralink_soc_eth.h 2013-06-22 22:46:13.600610937 +0200 -+++ linux-3.9.6/drivers/net/ethernet/ralink/ralink_soc_eth.h 2013-06-22 22:46:13.744610945 +0200 -@@ -301,6 +301,8 @@ - const __be32 *phy_fixed[8]; - int duplex[8]; - int speed[8]; -+ int tx_fc[8]; -+ int rx_fc[8]; - spinlock_t lock; - - int (*connect)(struct fe_priv *priv); -Index: linux-3.9.6/drivers/net/ethernet/ralink/soc_rt3883.c -=================================================================== ---- linux-3.9.6.orig/drivers/net/ethernet/ralink/soc_rt3883.c 2013-06-22 22:46:13.600610937 +0200 -+++ linux-3.9.6/drivers/net/ethernet/ralink/soc_rt3883.c 2013-06-22 22:46:13.744610945 +0200 -@@ -47,7 +47,8 @@ - .checksum_bit = RX_DMA_L4VALID, - .mdio_read = rt2880_mdio_read, - .mdio_write = rt2880_mdio_write, -- .mdio_link_adjust = rt2880_mdio_link_adjust, -+ .mdio_adjust_link = rt2880_mdio_link_adjust, -+ .port_init = rt2880_port_init, - }; - - const struct of_device_id of_fe_match[] = { -- 2.30.2