Merge redhat.com:/spare/repo/netdev-2.6/misc

into redhat.com:/spare/repo/net-drivers-2.6

drivers/net/8139too.c

@@ -171,7 +171,11 @@ static int debug = -1;
  * Receive ring size 
  * Warning: 64K ring has hardware issues and may lock up.
  */
+#if defined(CONFIG_SH_DREAMCAST) || defined(CONFIG_EMBEDDED)
+#define RX_BUF_IDX	1	/* 16K ring */
+#else
 #define RX_BUF_IDX	2	/* 32K ring */
+#endif
 #define RX_BUF_LEN	(8192 << RX_BUF_IDX)
 #define RX_BUF_PAD	16
 #define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */

drivers/net/Kconfig

@@ -1210,6 +1210,39 @@ config IBMVETH
 	  <file:Documentation/networking/net-modules.txt>. The module will
 	  be called ibmveth.
 
+config IBM_EMAC
+       tristate "IBM PPC4xx EMAC driver support"
+       depends on 4xx
+       ---help---
+       This driver supports the IBM PPC4xx EMAC family of on-chip
+       Ethernet controllers.
+
+config IBM_EMAC_ERRMSG
+       bool "Verbose error messages"
+       depends on IBM_EMAC
+
+config IBM_EMAC_RXB
+       int "Number of receive buffers"
+       depends on IBM_EMAC
+       default "128" if IBM_EMAC4
+       default "64"
+
+config IBM_EMAC_TXB
+       int "Number of transmit buffers"
+       depends on IBM_EMAC
+       default "128" if IBM_EMAC4
+       default "8"
+
+config IBM_EMAC_FGAP
+       int "Frame gap"
+       depends on IBM_EMAC
+       default "8"
+
+config IBM_EMAC_SKBRES
+       int "Skb reserve amount"
+       depends on IBM_EMAC
+       default "0"
+
 config NET_PCI
 	bool "EISA, VLB, PCI and on board controllers"
 	depends on NET_ETHERNET && (ISA || EISA || PCI)

drivers/net/Makefile

@@ -7,6 +7,7 @@ ifeq ($(CONFIG_ISDN_PPP),y)
 endif
 
 obj-$(CONFIG_E1000) += e1000/
+obj-$(CONFIG_IBM_EMAC) += ibm_emac/
 obj-$(CONFIG_IXGB) += ixgb/
 obj-$(CONFIG_BONDING) += bonding/
 

drivers/net/e1000/e1000.h

@@ -71,6 +71,7 @@
 #include <linux/mii.h>
 #include <linux/ethtool.h>
 #include <linux/if_vlan.h>
+#include <linux/moduleparam.h>
 
 #define BAR_0		0
 #define BAR_1		1
@@ -89,6 +90,12 @@ struct e1000_adapter;
 
 #define E1000_ERR(args...) printk(KERN_ERR "e1000: " args)
 
+#define PFX "e1000: "
+#define DPRINTK(nlevel, klevel, fmt, args...) \
+	(void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
+	printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
+		__FUNCTION__ , ## args))
+
 #define E1000_MAX_INTR 10
 
 /* How many descriptors for TX and RX ? */
@@ -245,5 +252,6 @@ struct e1000_adapter {
 
 
 	uint32_t pci_state[16];
+	int msg_enable;
 };
 #endif /* _E1000_H_ */

drivers/net/e1000/e1000_hw.c

@@ -470,7 +470,6 @@ e1000_init_hw(struct e1000_hw *hw)
     uint16_t pcix_stat_hi_word;
     uint16_t cmd_mmrbc;
     uint16_t stat_mmrbc;
-
     DEBUGFUNC("e1000_init_hw");
 
     /* Initialize Identification LED */
@@ -910,6 +909,12 @@ e1000_setup_copper_link(struct e1000_hw *hw)
     if(ret_val)
         return ret_val;
 
+    if(hw->mac_type == e1000_82545_rev_3) {
+        ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
+        phy_data |= 0x00000008;
+        ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
+    }
+
     if(hw->mac_type <= e1000_82543 ||
        hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
        hw->mac_type == e1000_82541_rev_2 || hw->mac_type == e1000_82547_rev_2)
@@ -1961,7 +1966,7 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw)
 int32_t
 e1000_check_for_link(struct e1000_hw *hw)
 {
-    uint32_t rxcw;
+    uint32_t rxcw = 0;
     uint32_t ctrl;
     uint32_t status;
     uint32_t rctl;
@@ -1971,16 +1976,23 @@ e1000_check_for_link(struct e1000_hw *hw)
 
     DEBUGFUNC("e1000_check_for_link");
 
+    ctrl = E1000_READ_REG(hw, CTRL);
+    status = E1000_READ_REG(hw, STATUS);
+
     /* On adapters with a MAC newer than 82544, SW Defineable pin 1 will be
      * set when the optics detect a signal. On older adapters, it will be
      * cleared when there is a signal.  This applies to fiber media only.
      */
-    if(hw->media_type == e1000_media_type_fiber)
-        signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
+    if((hw->media_type == e1000_media_type_fiber) ||
+       (hw->media_type == e1000_media_type_internal_serdes)) {
+        rxcw = E1000_READ_REG(hw, RXCW);
 
-    ctrl = E1000_READ_REG(hw, CTRL);
-    status = E1000_READ_REG(hw, STATUS);
-    rxcw = E1000_READ_REG(hw, RXCW);
+        if(hw->media_type == e1000_media_type_fiber) {
+            signal = (hw->mac_type > e1000_82544) ? E1000_CTRL_SWDPIN1 : 0;
+            if(status & E1000_STATUS_LU)
+                hw->get_link_status = FALSE;
+        }
+    }
 
     /* If we have a copper PHY then we only want to go out to the PHY
      * registers to see if Auto-Neg has completed and/or if our link
@@ -2093,8 +2105,8 @@ e1000_check_for_link(struct e1000_hw *hw)
      * in. The autoneg_failed flag does this.
      */
     else if((((hw->media_type == e1000_media_type_fiber) &&
-            ((ctrl & E1000_CTRL_SWDPIN1) == signal)) ||
-            (hw->media_type == e1000_media_type_internal_serdes)) &&
+              ((ctrl & E1000_CTRL_SWDPIN1) == signal)) ||
+             (hw->media_type == e1000_media_type_internal_serdes)) &&
             (!(status & E1000_STATUS_LU)) &&
             (!(rxcw & E1000_RXCW_C))) {
         if(hw->autoneg_failed == 0) {
@@ -2125,8 +2137,7 @@ e1000_check_for_link(struct e1000_hw *hw)
      */
     else if(((hw->media_type == e1000_media_type_fiber) ||
              (hw->media_type == e1000_media_type_internal_serdes)) &&
-              (ctrl & E1000_CTRL_SLU) &&
-              (rxcw & E1000_RXCW_C)) {
+            (ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) {
         DEBUGOUT("RXing /C/, enable AutoNeg and stop forcing link.\r\n");
         E1000_WRITE_REG(hw, TXCW, hw->txcw);
         E1000_WRITE_REG(hw, CTRL, (ctrl & ~E1000_CTRL_SLU));

drivers/net/e1000/e1000_hw.h

@@ -2019,7 +2019,7 @@ struct e1000_hw {
 #define IGP01E1000_PSSR_MDIX_SHIFT             0x000B /* shift right 11 */
 
 /* IGP01E1000 Specific Port Control Register - R/W */
-#define IGP01E1000_PSCR_TP_LOOPBACK            0x0001
+#define IGP01E1000_PSCR_TP_LOOPBACK            0x0010
 #define IGP01E1000_PSCR_CORRECT_NC_SCMBLR      0x0200
 #define IGP01E1000_PSCR_TEN_CRS_SELECT         0x0400
 #define IGP01E1000_PSCR_FLIP_CHIP              0x0800
@@ -2029,16 +2029,18 @@ struct e1000_hw {
 /* IGP01E1000 Specific Port Link Health Register */
 #define IGP01E1000_PLHR_SS_DOWNGRADE           0x8000
 #define IGP01E1000_PLHR_GIG_SCRAMBLER_ERROR    0x4000
+#define IGP01E1000_PLHR_MASTER_FAULT           0x2000
+#define IGP01E1000_PLHR_MASTER_RESOLUTION      0x1000
 #define IGP01E1000_PLHR_GIG_REM_RCVR_NOK       0x0800 /* LH */
 #define IGP01E1000_PLHR_IDLE_ERROR_CNT_OFLOW   0x0400 /* LH */
 #define IGP01E1000_PLHR_DATA_ERR_1             0x0200 /* LH */
 #define IGP01E1000_PLHR_DATA_ERR_0             0x0100
-#define IGP01E1000_PLHR_AUTONEG_FAULT          0x0010
-#define IGP01E1000_PLHR_AUTONEG_ACTIVE         0x0008
-#define IGP01E1000_PLHR_VALID_CHANNEL_D        0x0004
-#define IGP01E1000_PLHR_VALID_CHANNEL_C        0x0002
-#define IGP01E1000_PLHR_VALID_CHANNEL_B        0x0001
-#define IGP01E1000_PLHR_VALID_CHANNEL_A        0x0000
+#define IGP01E1000_PLHR_AUTONEG_FAULT          0x0040
+#define IGP01E1000_PLHR_AUTONEG_ACTIVE         0x0010
+#define IGP01E1000_PLHR_VALID_CHANNEL_D        0x0008
+#define IGP01E1000_PLHR_VALID_CHANNEL_C        0x0004
+#define IGP01E1000_PLHR_VALID_CHANNEL_B        0x0002
+#define IGP01E1000_PLHR_VALID_CHANNEL_A        0x0001
 
 /* IGP01E1000 Channel Quality Register */
 #define IGP01E1000_MSE_CHANNEL_D        0x000F

drivers/net/ibm_emac/Makefile

+#
+# Makefile for the IBM PPC4xx EMAC controllers
+#
+
+obj-$(CONFIG_IBM_EMAC) += ibm_emac.o
+
+ibm_emac-objs := ibm_emac_mal.o ibm_emac_core.o ibm_emac_phy.o
+
+# Only need this if you want to see additional debug messages
+ifeq ($(CONFIG_IBM_EMAC_ERRMSG), y)
+ibm_emac-objs += ibm_emac_debug.o
+endif

drivers/net/ibm_emac/ibm_emac.h

+/*
+ * ibm_emac.h
+ *
+ *
+ *      Armin Kuster akuster@mvista.com
+ *      June, 2002
+ *
+ * Copyright 2002 MontaVista Softare Inc.
+ *
+ * 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;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef _IBM_EMAC_H_
+#define _IBM_EMAC_H_
+/* General defines needed for the driver */
+
+/* Emac */
+typedef struct emac_regs {
+	u32 em0mr0;
+	u32 em0mr1;
+	u32 em0tmr0;
+	u32 em0tmr1;
+	u32 em0rmr;
+	u32 em0isr;
+	u32 em0iser;
+	u32 em0iahr;
+	u32 em0ialr;
+	u32 em0vtpid;
+	u32 em0vtci;
+	u32 em0ptr;
+	u32 em0iaht1;
+	u32 em0iaht2;
+	u32 em0iaht3;
+	u32 em0iaht4;
+	u32 em0gaht1;
+	u32 em0gaht2;
+	u32 em0gaht3;
+	u32 em0gaht4;
+	u32 em0lsah;
+	u32 em0lsal;
+	u32 em0ipgvr;
+	u32 em0stacr;
+	u32 em0trtr;
+	u32 em0rwmr;
+} emac_t;
+
+/* MODE REG 0 */
+#define EMAC_M0_RXI			0x80000000
+#define EMAC_M0_TXI			0x40000000
+#define EMAC_M0_SRST			0x20000000
+#define EMAC_M0_TXE			0x10000000
+#define EMAC_M0_RXE			0x08000000
+#define EMAC_M0_WKE			0x04000000
+
+/* MODE Reg 1 */
+#define EMAC_M1_FDE			0x80000000
+#define EMAC_M1_ILE			0x40000000
+#define EMAC_M1_VLE			0x20000000
+#define EMAC_M1_EIFC			0x10000000
+#define EMAC_M1_APP			0x08000000
+#define EMAC_M1_AEMI			0x02000000
+#define EMAC_M1_IST			0x01000000
+#define EMAC_M1_MF_1000GPCS		0x00c00000	/* Internal GPCS */
+#define EMAC_M1_MF_1000MBPS		0x00800000	/* External GPCS */
+#define EMAC_M1_MF_100MBPS		0x00400000
+#define EMAC_M1_RFS_16K                 0x00280000	/* 000 for 512 byte */
+#define EMAC_M1_TR			0x00008000
+#ifdef CONFIG_IBM_EMAC4
+#define EMAC_M1_RFS_8K                  0x00200000
+#define EMAC_M1_RFS_4K                  0x00180000
+#define EMAC_M1_RFS_2K                  0x00100000
+#define EMAC_M1_RFS_1K                  0x00080000
+#define EMAC_M1_TX_FIFO_16K             0x00050000	/* 0's for 512 byte */
+#define EMAC_M1_TX_FIFO_8K              0x00040000
+#define EMAC_M1_TX_FIFO_4K              0x00030000
+#define EMAC_M1_TX_FIFO_2K              0x00020000
+#define EMAC_M1_TX_FIFO_1K              0x00010000
+#define EMAC_M1_TX_TR                   0x00008000
+#define EMAC_M1_TX_MWSW                 0x00001000	/* 0 wait for status */
+#define EMAC_M1_JUMBO_ENABLE            0x00000800	/* Upt to 9Kr status */
+#define EMAC_M1_OPB_CLK_66              0x00000008	/* 66Mhz */
+#define EMAC_M1_OPB_CLK_83              0x00000010	/* 83Mhz */
+#define EMAC_M1_OPB_CLK_100             0x00000018	/* 100Mhz */
+#define EMAC_M1_OPB_CLK_100P            0x00000020	/* 100Mhz+ */
+#else				/* CONFIG_IBM_EMAC4 */
+#define EMAC_M1_RFS_4K			0x00300000	/* ~4k for 512 byte */
+#define EMAC_M1_RFS_2K			0x00200000
+#define EMAC_M1_RFS_1K			0x00100000
+#define EMAC_M1_TX_FIFO_2K		0x00080000	/* 0's for 512 byte */
+#define EMAC_M1_TX_FIFO_1K		0x00040000
+#define EMAC_M1_TR0_DEPEND		0x00010000	/* 0'x for single packet */
+#define EMAC_M1_TR1_DEPEND		0x00004000
+#define EMAC_M1_TR1_MULTI		0x00002000
+#define EMAC_M1_JUMBO_ENABLE		0x00001000
+#endif				/* CONFIG_IBM_EMAC4 */
+#define EMAC_M1_BASE			(EMAC_M1_TX_FIFO_2K | \
+					EMAC_M1_APP | \
+					EMAC_M1_TR)
+
+/* Transmit Mode Register 0 */
+#define EMAC_TMR0_GNP0			0x80000000
+#define EMAC_TMR0_GNP1			0x40000000
+#define EMAC_TMR0_GNPD			0x20000000
+#define EMAC_TMR0_FC			0x10000000
+#define EMAC_TMR0_TFAE_2_32		0x00000001
+#define EMAC_TMR0_TFAE_4_64		0x00000002
+#define EMAC_TMR0_TFAE_8_128		0x00000003
+#define EMAC_TMR0_TFAE_16_256		0x00000004
+#define EMAC_TMR0_TFAE_32_512		0x00000005
+#define EMAC_TMR0_TFAE_64_1024		0x00000006
+#define EMAC_TMR0_TFAE_128_2048		0x00000007
+
+/* Receive Mode Register */
+#define EMAC_RMR_SP			0x80000000
+#define EMAC_RMR_SFCS			0x40000000
+#define EMAC_RMR_ARRP			0x20000000
+#define EMAC_RMR_ARP			0x10000000
+#define EMAC_RMR_AROP			0x08000000
+#define EMAC_RMR_ARPI			0x04000000
+#define EMAC_RMR_PPP			0x02000000
+#define EMAC_RMR_PME			0x01000000
+#define EMAC_RMR_PMME			0x00800000
+#define EMAC_RMR_IAE			0x00400000
+#define EMAC_RMR_MIAE			0x00200000
+#define EMAC_RMR_BAE			0x00100000
+#define EMAC_RMR_MAE			0x00080000
+#define EMAC_RMR_RFAF_2_32		0x00000001
+#define EMAC_RMR_RFAF_4_64		0x00000002
+#define EMAC_RMR_RFAF_8_128		0x00000003
+#define EMAC_RMR_RFAF_16_256		0x00000004
+#define EMAC_RMR_RFAF_32_512		0x00000005
+#define EMAC_RMR_RFAF_64_1024		0x00000006
+#define EMAC_RMR_RFAF_128_2048		0x00000007
+#define EMAC_RMR_BASE			(EMAC_RMR_IAE | EMAC_RMR_BAE)
+
+/* Interrupt Status & enable Regs */
+#define EMAC_ISR_OVR			0x02000000
+#define EMAC_ISR_PP			0x01000000
+#define EMAC_ISR_BP			0x00800000
+#define EMAC_ISR_RP			0x00400000
+#define EMAC_ISR_SE			0x00200000
+#define EMAC_ISR_ALE			0x00100000
+#define EMAC_ISR_BFCS			0x00080000
+#define EMAC_ISR_PTLE			0x00040000
+#define EMAC_ISR_ORE			0x00020000
+#define EMAC_ISR_IRE			0x00010000
+#define EMAC_ISR_DBDM			0x00000200
+#define EMAC_ISR_DB0			0x00000100
+#define EMAC_ISR_SE0			0x00000080
+#define EMAC_ISR_TE0			0x00000040
+#define EMAC_ISR_DB1			0x00000020
+#define EMAC_ISR_SE1			0x00000010
+#define EMAC_ISR_TE1			0x00000008
+#define EMAC_ISR_MOS			0x00000002
+#define EMAC_ISR_MOF			0x00000001
+
+/* STA CONTROL REG */
+#define EMAC_STACR_OC			0x00008000
+#define EMAC_STACR_PHYE			0x00004000
+#define EMAC_STACR_WRITE		0x00002000
+#define EMAC_STACR_READ			0x00001000
+#define EMAC_STACR_CLK_83MHZ		0x00000800	/* 0's for 50Mhz */
+#define EMAC_STACR_CLK_66MHZ		0x00000400
+#define EMAC_STACR_CLK_100MHZ		0x00000C00
+
+/* Transmit Request Threshold Register */
+#define EMAC_TRTR_1600			0x18000000	/* 0's for 64 Bytes */
+#define EMAC_TRTR_1024			0x0f000000
+#define EMAC_TRTR_512			0x07000000
+#define EMAC_TRTR_256			0x03000000
+#define EMAC_TRTR_192			0x10000000
+#define EMAC_TRTR_128			0x01000000
+
+#define EMAC_TX_CTRL_GFCS		0x0200
+#define EMAC_TX_CTRL_GP			0x0100
+#define EMAC_TX_CTRL_ISA		0x0080
+#define EMAC_TX_CTRL_RSA		0x0040
+#define EMAC_TX_CTRL_IVT		0x0020
+#define EMAC_TX_CTRL_RVT		0x0010
+#define EMAC_TX_CTRL_TAH_CSUM		0x000e	/* TAH only */
+#define EMAC_TX_CTRL_TAH_SEG4		0x000a	/* TAH only */
+#define EMAC_TX_CTRL_TAH_SEG3		0x0008	/* TAH only */
+#define EMAC_TX_CTRL_TAH_SEG2		0x0006	/* TAH only */
+#define EMAC_TX_CTRL_TAH_SEG1		0x0004	/* TAH only */
+#define EMAC_TX_CTRL_TAH_SEG0		0x0002	/* TAH only */
+#define EMAC_TX_CTRL_TAH_DIS		0x0000	/* TAH only */
+
+#define EMAC_TX_CTRL_DFLT ( \
+	MAL_TX_CTRL_INTR | EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP )
+
+/* madmal transmit status / Control bits */
+#define EMAC_TX_ST_BFCS			0x0200
+#define EMAC_TX_ST_BPP			0x0100
+#define EMAC_TX_ST_LCS			0x0080
+#define EMAC_TX_ST_ED			0x0040
+#define EMAC_TX_ST_EC			0x0020
+#define EMAC_TX_ST_LC			0x0010
+#define EMAC_TX_ST_MC			0x0008
+#define EMAC_TX_ST_SC			0x0004
+#define EMAC_TX_ST_UR			0x0002
+#define EMAC_TX_ST_SQE			0x0001
+
+/* madmal receive status / Control bits */
+#define EMAC_RX_ST_OE			0x0200
+#define EMAC_RX_ST_PP			0x0100
+#define EMAC_RX_ST_BP			0x0080
+#define EMAC_RX_ST_RP			0x0040
+#define EMAC_RX_ST_SE			0x0020
+#define EMAC_RX_ST_AE			0x0010
+#define EMAC_RX_ST_BFCS			0x0008
+#define EMAC_RX_ST_PTL			0x0004
+#define EMAC_RX_ST_ORE			0x0002
+#define EMAC_RX_ST_IRE			0x0001
+#define EMAC_BAD_RX_PACKET		0x02ff
+#define EMAC_CSUM_VER_ERROR		0x0003
+
+/* identify a bad rx packet dependent on emac features */
+#ifdef CONFIG_IBM_EMAC4
+#define EMAC_IS_BAD_RX_PACKET(desc) \
+	(((desc & (EMAC_BAD_RX_PACKET & ~EMAC_CSUM_VER_ERROR)) || \
+	((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_ORE) || \
+	((desc & EMAC_CSUM_VER_ERROR) == EMAC_RX_ST_IRE)))
+#else
+#define EMAC_IS_BAD_RX_PACKET(desc) \
+	 (desc & EMAC_BAD_RX_PACKET)
+#endif
+
+/* Revision specific EMAC register defaults */
+#ifdef CONFIG_IBM_EMAC4
+#define EMAC_M1_DEFAULT			(EMAC_M1_BASE | \
+					EMAC_M1_OPB_CLK_83 | \
+					EMAC_M1_TX_MWSW)
+#define EMAC_RMR_DEFAULT		(EMAC_RMR_BASE | \
+					EMAC_RMR_RFAF_128_2048)
+#define EMAC_TMR0_XMIT			(EMAC_TMR0_GNP0 | \
+					EMAC_TMR0_TFAE_128_2048)
+#define EMAC_TRTR_DEFAULT		EMAC_TRTR_1024
+#else				/* !CONFIG_IBM_EMAC4 */
+#define EMAC_M1_DEFAULT			EMAC_M1_BASE
+#define EMAC_RMR_DEFAULT		EMAC_RMR_BASE
+#define EMAC_TMR0_XMIT			EMAC_TMR0_GNP0
+#define EMAC_TRTR_DEFAULT		EMAC_TRTR_1600
+#endif				/* CONFIG_IBM_EMAC4 */
+
+/* SoC implementation specific EMAC register defaults */
+#if defined(CONFIG_440GP)
+#define EMAC_RWMR_DEFAULT		0x80009000
+#define EMAC_TMR0_DEFAULT		0x00000000
+#define EMAC_TMR1_DEFAULT		0xf8640000
+#elif defined(CONFIG_440GX)
+#define EMAC_RWMR_DEFAULT		0x1000a200
+#define EMAC_TMR0_DEFAULT		EMAC_TMR0_TFAE_128_2048
+#define EMAC_TMR1_DEFAULT		0x88810000
+#else
+#define EMAC_RWMR_DEFAULT		0x0f002000
+#define EMAC_TMR0_DEFAULT		0x00000000
+#define EMAC_TMR1_DEFAULT		0x380f0000
+#endif				/* CONFIG_440GP */
+
+#endif