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ralink: add LRO support

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Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 38904
This commit is contained in:
John Crispin 2013-11-25 08:34:12 +00:00
parent f732ed4500
commit d84238ad26
1 changed files with 84 additions and 27 deletions
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111
target/linux/ramips/patches-3.10/0111-NET-MIPS-add-ralink-SoC-ethernet-driver.patch
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@ -49,7 +49,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
Index: linux-3.10.18/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h 2013-11-19 11:15:38.964470794 +0100
+++ linux-3.10.18/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h 2013-11-21 15:20:28.672444348 +0100
@@ -0,0 +1,27 @@
+/*
+ * Ralink RT305x SoC platform device registration
@ -81,7 +81,7 @@ Index: linux-3.10.18/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
Index: linux-3.10.18/arch/mips/ralink/rt305x.c
===================================================================
--- linux-3.10.18.orig/arch/mips/ralink/rt305x.c 2013-11-04 13:31:29.000000000 +0100
+++ linux-3.10.18/arch/mips/ralink/rt305x.c 2013-11-21 12:04:47.524164571 +0100
+++ linux-3.10.18/arch/mips/ralink/rt305x.c 2013-11-21 17:11:58.144603749 +0100
@@ -221,6 +221,7 @@
}
@ -93,7 +93,7 @@ Index: linux-3.10.18/arch/mips/ralink/rt305x.c
Index: linux-3.10.18/drivers/net/ethernet/Kconfig
===================================================================
--- linux-3.10.18.orig/drivers/net/ethernet/Kconfig 2013-11-04 13:31:29.000000000 +0100
+++ linux-3.10.18/drivers/net/ethernet/Kconfig 2013-11-19 11:15:38.964470794 +0100
+++ linux-3.10.18/drivers/net/ethernet/Kconfig 2013-11-21 15:20:28.672444348 +0100
@@ -135,6 +135,7 @@
source "drivers/net/ethernet/packetengines/Kconfig"
source "drivers/net/ethernet/pasemi/Kconfig"
@ -105,7 +105,7 @@ Index: linux-3.10.18/drivers/net/ethernet/Kconfig
Index: linux-3.10.18/drivers/net/ethernet/Makefile
===================================================================
--- linux-3.10.18.orig/drivers/net/ethernet/Makefile 2013-11-04 13:31:29.000000000 +0100
+++ linux-3.10.18/drivers/net/ethernet/Makefile 2013-11-19 11:15:38.964470794 +0100
+++ linux-3.10.18/drivers/net/ethernet/Makefile 2013-11-21 15:20:28.672444348 +0100
@@ -53,6 +53,7 @@
obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/
obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
@ -117,8 +117,8 @@ Index: linux-3.10.18/drivers/net/ethernet/Makefile
Index: linux-3.10.18/drivers/net/ethernet/ralink/Kconfig
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/Kconfig 2013-11-19 11:15:38.964470794 +0100
@@ -0,0 +1,31 @@
+++ linux-3.10.18/drivers/net/ethernet/ralink/Kconfig 2013-11-21 15:20:28.672444348 +0100
@@ -0,0 +1,32 @@
+config NET_RALINK
+ tristate "Ralink RT288X/RT3X5X/RT3662/RT3883/MT7620 ethernet driver"
+ depends on RALINK
@ -146,6 +146,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/Kconfig
+config NET_RALINK_GSW_MT7620
+ def_bool NET_RALINK
+ depends on SOC_MT7620
+ select INET_LRO
+ select NET_RALINK_MDIO
+ select PHYLIB
+ select SWCONFIG
@ -153,7 +154,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/Kconfig
Index: linux-3.10.18/drivers/net/ethernet/ralink/Makefile
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/Makefile 2013-11-19 11:15:38.964470794 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/Makefile 2013-11-21 15:20:28.672444348 +0100
@@ -0,0 +1,18 @@
+#
+# Makefile for the Ralink SoCs built-in ethernet macs
@ -176,7 +177,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/Makefile
Index: linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.c 2013-11-19 11:15:38.968470792 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.c 2013-11-21 15:20:28.676444348 +0100
@@ -0,0 +1,1463 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -1644,7 +1645,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.h 2013-11-19 11:15:38.968470792 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.h 2013-11-21 15:20:28.676444348 +0100
@@ -0,0 +1,32 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -1681,7 +1682,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.h
Index: linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.c 2013-11-19 11:15:38.968470792 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.c 2013-11-21 15:20:28.676444348 +0100
@@ -0,0 +1,566 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -2252,7 +2253,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.h 2013-11-19 11:15:38.968470792 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.h 2013-11-21 15:20:28.676444348 +0100
@@ -0,0 +1,30 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -2287,7 +2288,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.h
Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio.c 2013-11-19 11:15:38.968470792 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio.c 2013-11-21 15:20:28.680444349 +0100
@@ -0,0 +1,244 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -2536,7 +2537,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio.h 2013-11-19 11:15:38.968470792 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio.h 2013-11-21 15:20:28.680444349 +0100
@@ -0,0 +1,29 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -2570,7 +2571,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio.h
Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.c 2013-11-19 11:15:38.972470791 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.c 2013-11-21 15:20:28.680444349 +0100
@@ -0,0 +1,232 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -2807,7 +2808,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.h 2013-11-19 11:15:38.972470791 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.h 2013-11-21 15:20:28.680444349 +0100
@@ -0,0 +1,26 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -2838,8 +2839,8 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.h
Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c 2013-11-21 11:29:22.000113924 +0100
@@ -0,0 +1,744 @@
+++ linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c 2013-11-21 17:11:49.492603543 +0100
@@ -0,0 +1,769 @@
+/*
+ * 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
@ -3175,7 +3176,13 @@ Index: linux-3.10.18/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_receive_skb(priv->rx_skb[idx]);
+
+#ifdef CONFIG_INET_LRO
+ if (priv->soc->get_skb_header && priv->rx_skb[idx]->ip_summed == CHECKSUM_UNNECESSARY)
+ lro_receive_skb(&priv->lro_mgr, priv->rx_skb[idx], NULL);
+ else
+#endif
+ netif_receive_skb(priv->rx_skb[idx]);
+
+ priv->rx_skb[idx] = new_skb;
+
@ -3201,6 +3208,10 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c
+ }
+ }
+
+#ifdef CONFIG_INET_LRO
+ if (priv->soc->get_skb_header)
+ lro_flush_all(&priv->lro_mgr);
+#endif
+ if (complete) {
+ napi_complete(&priv->rx_napi);
+ fe_int_enable(priv->soc->rx_dly_int);
@ -3526,6 +3537,21 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c
+ }
+ netif_napi_add(netdev, &priv->rx_napi, fe_poll_rx, 32);
+
+#ifdef CONFIG_INET_LRO
+ if (priv->soc->get_skb_header) {
+ priv->lro_mgr.dev = netdev;
+ memset(&priv->lro_mgr.stats, 0, sizeof(priv->lro_mgr.stats));
+ priv->lro_mgr.features = LRO_F_NAPI;
+ priv->lro_mgr.ip_summed = CHECKSUM_UNNECESSARY;
+ priv->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
+ priv->lro_mgr.max_desc = ARRAY_SIZE(priv->lro_arr);
+ priv->lro_mgr.max_aggr = 64;
+ priv->lro_mgr.frag_align_pad = 0;
+ priv->lro_mgr.lro_arr = priv->lro_arr;
+ priv->lro_mgr.get_skb_header = priv->soc->get_skb_header;
+ }
+#endif
+
+ platform_set_drvdata(pdev, netdev);
+
+ netdev_info(netdev, "done loading\n");
@ -3587,8 +3613,8 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h 2013-11-21 11:11:54.160088954 +0100
@@ -0,0 +1,375 @@
+++ linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h 2013-11-21 17:05:21.368594293 +0100
@@ -0,0 +1,380 @@
+/*
+ * 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
@ -3615,6 +3641,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h
+#include <linux/netdevice.h>
+#include <linux/dma-mapping.h>
+#include <linux/phy.h>
+#include <linux/inet_lro.h>
+
+
+enum fe_reg {
@ -3921,6 +3948,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h
+ int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
+ int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
+ void (*mdio_adjust_link)(struct fe_priv *priv, int port);
+ int (*get_skb_header)(struct sk_buff *skb, void **iphdr, void **tcph, u64 *hdr_flags, void *priv);
+
+ void *swpriv;
+ u32 pdma_glo_cfg;
@ -3956,6 +3984,9 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h
+ int mii_irq[PHY_MAX_ADDR];
+
+ int link[8];
+
+ struct net_lro_mgr lro_mgr;
+ struct net_lro_desc lro_arr[8];
+};
+
+extern const struct of_device_id of_fe_match[];
@ -3967,8 +3998,8 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h
Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c 2013-11-21 11:42:23.264132543 +0100
@@ -0,0 +1,124 @@
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c 2013-11-21 17:05:57.264595147 +0100
@@ -0,0 +1,150 @@
+/*
+ * 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
@ -4065,6 +4096,31 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c
+ priv->rx_dma[idx].rxd2 = RX_DMA_PLEN0(len);
+}
+
+static int
+mt7620_get_skb_header(struct sk_buff *skb, void **iphdr, void **tcph,
+ u64 *hdr_flags, void *_priv)
+{
+ struct iphdr *iph = NULL;
+ int vhdr_len = 0;
+
+ /*
+ * Make sure that this packet is Ethernet II, is not VLAN
+ * tagged, is IPv4, has a valid IP header, and is TCP.
+ */
+ if (skb->protocol == 0x0081)
+ vhdr_len = VLAN_HLEN;
+
+ iph = (struct iphdr *)(skb->data + vhdr_len);
+ if(iph->protocol != IPPROTO_TCP)
+ return -1;
+
+ *iphdr = iph;
+ *tcph = skb->data + (iph->ihl << 2) + vhdr_len;
+ *hdr_flags = LRO_IPV4 | LRO_TCP;
+
+ return 0;
+}
+
+static struct fe_soc_data mt7620_data = {
+ .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
+ .reset_fe = mt7620_fe_reset,
@ -4085,6 +4141,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c
+ .mdio_read = mt7620_mdio_read,
+ .mdio_write = mt7620_mdio_write,
+ .mdio_adjust_link = mt7620_mdio_link_adjust,
+ .get_skb_header = mt7620_get_skb_header,
+};
+
+const struct of_device_id of_fe_match[] = {
@ -4096,7 +4153,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt2880.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt2880.c 2013-11-19 11:15:38.972470791 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt2880.c 2013-11-21 15:20:28.684444349 +0100
@@ -0,0 +1,51 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -4152,7 +4209,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt2880.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt305x.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt305x.c 2013-11-19 11:15:38.972470791 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt305x.c 2013-11-21 15:20:28.684444349 +0100
@@ -0,0 +1,113 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -4270,7 +4327,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt305x.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt3883.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt3883.c 2013-11-19 11:15:38.972470791 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt3883.c 2013-11-21 15:20:28.684444349 +0100
@@ -0,0 +1,60 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -4335,7 +4392,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt3883.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/mt7530.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/mt7530.c 2013-11-19 11:15:38.976470791 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/mt7530.c 2013-11-21 15:20:28.684444349 +0100
@@ -0,0 +1,467 @@
+/*
+ * This program is free software; you can redistribute it and/or
@ -4807,7 +4864,7 @@ Index: linux-3.10.18/drivers/net/ethernet/ralink/mt7530.c
Index: linux-3.10.18/drivers/net/ethernet/ralink/mt7530.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.10.18/drivers/net/ethernet/ralink/mt7530.h 2013-11-19 11:15:38.976470791 +0100
+++ linux-3.10.18/drivers/net/ethernet/ralink/mt7530.h 2013-11-21 15:20:28.684444349 +0100
@@ -0,0 +1,20 @@
+/*
+ * This program is free software; you can redistribute it and/or