Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/igb/igb_main.c
	drivers/net/qlge/qlge_main.c
	drivers/net/wireless/ath9k/ath9k.h
	drivers/net/wireless/ath9k/core.h
	drivers/net/wireless/ath9k/hw.c

MAINTAINERS

@@ -3888,6 +3888,15 @@ L:	linux-ide@vger.kernel.org
 T:	git kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
 S:	Supported
 
+SERVER ENGINES 10Gbps NIC - BladeEngine 2 DRIVER
+P:	Sathya Perla
+M:	sathyap@serverengines.com
+P:      Subbu Seetharaman
+M:      subbus@serverengines.com
+L:      netdev@vger.kernel.org
+W:      http://www.serverengines.com
+S:      Supported
+
 SFC NETWORK DRIVER
 P:	Steve Hodgson
 P:	Ben Hutchings

drivers/net/Kconfig

@@ -1040,6 +1040,17 @@ config NI65
 	  To compile this driver as a module, choose M here. The module
 	  will be called ni65.
 
+config DNET
+	tristate "Dave ethernet support (DNET)"
+	depends on NET_ETHERNET
+	select PHYLIB
+	help
+	  The Dave ethernet interface (DNET) is found on Qong Board FPGA.
+	  Say Y to include support for the DNET chip.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called dnet.
+
 source "drivers/net/tulip/Kconfig"
 
 config AT1700
@@ -2618,6 +2629,8 @@ config QLGE
 
 source "drivers/net/sfc/Kconfig"
 
+source "drivers/net/benet/Kconfig"
+
 endif # NETDEV_10000
 
 source "drivers/net/tokenring/Kconfig"

drivers/net/Makefile

@@ -22,6 +22,7 @@ obj-$(CONFIG_GIANFAR) += gianfar_driver.o
 obj-$(CONFIG_TEHUTI) += tehuti.o
 obj-$(CONFIG_ENIC) += enic/
 obj-$(CONFIG_JME) += jme.o
+obj-$(CONFIG_BE2NET) += benet/
 
 gianfar_driver-objs := gianfar.o \
 		gianfar_ethtool.o \
@@ -232,6 +233,7 @@ obj-$(CONFIG_ENC28J60) += enc28j60.o
 
 obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
 
+obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_MACB) += macb.o
 
 obj-$(CONFIG_ARM) += arm/

drivers/net/benet/Kconfig

+config BE2NET
+	tristate "ServerEngines' 10Gbps NIC - BladeEngine 2"
+	depends on PCI && INET
+	select INET_LRO
+	help
+	This driver implements the NIC functionality for ServerEngines'
+	10Gbps network adapter - BladeEngine 2.

drivers/net/benet/Makefile

+#
+# Makefile to build the network driver for ServerEngine's BladeEngine.
+#
+
+obj-$(CONFIG_BE2NET) += be2net.o
+
+be2net-y :=  be_main.o be_cmds.o be_ethtool.o

drivers/net/benet/be.h

+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+#ifndef BE_H
+#define BE_H
+
+#include <linux/pci.h>
+#include <linux/etherdevice.h>
+#include <linux/version.h>
+#include <linux/delay.h>
+#include <net/tcp.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+#include <linux/if_vlan.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/inet_lro.h>
+
+#include "be_hw.h"
+
+#define DRV_VER			"2.0.348"
+#define DRV_NAME		"be2net"
+#define BE_NAME			"ServerEngines BladeEngine2 10Gbps NIC"
+#define DRV_DESC		BE_NAME "Driver"
+
+/* Number of bytes of an RX frame that are copied to skb->data */
+#define BE_HDR_LEN 		64
+#define BE_MAX_JUMBO_FRAME_SIZE	9018
+#define BE_MIN_MTU		256
+
+#define BE_NUM_VLANS_SUPPORTED	64
+#define BE_MAX_EQD		96
+#define	BE_MAX_TX_FRAG_COUNT	30
+
+#define EVNT_Q_LEN		1024
+#define TX_Q_LEN		2048
+#define TX_CQ_LEN		1024
+#define RX_Q_LEN		1024	/* Does not support any other value */
+#define RX_CQ_LEN		1024
+#define MCC_Q_LEN		64	/* total size not to exceed 8 pages */
+#define MCC_CQ_LEN		256
+
+#define BE_NAPI_WEIGHT		64
+#define MAX_RX_POST 		BE_NAPI_WEIGHT /* Frags posted at a time */
+#define RX_FRAGS_REFILL_WM	(RX_Q_LEN - MAX_RX_POST)
+
+#define BE_MAX_LRO_DESCRIPTORS  16
+#define BE_MAX_FRAGS_PER_FRAME  16
+
+struct be_dma_mem {
+	void *va;
+	dma_addr_t dma;
+	u32 size;
+};
+
+struct be_queue_info {
+	struct be_dma_mem dma_mem;
+	u16 len;
+	u16 entry_size;	/* Size of an element in the queue */
+	u16 id;
+	u16 tail, head;
+	bool created;
+	atomic_t used;	/* Number of valid elements in the queue */
+};
+
+struct be_ctrl_info {
+	u8 __iomem *csr;
+	u8 __iomem *db;		/* Door Bell */
+	u8 __iomem *pcicfg;	/* PCI config space */
+	int pci_func;
+
+	/* Mbox used for cmd request/response */
+	spinlock_t cmd_lock;	/* For serializing cmds to BE card */
+	struct be_dma_mem mbox_mem;
+	/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
+	 * is stored for freeing purpose */
+	struct be_dma_mem mbox_mem_alloced;
+};
+
+#include "be_cmds.h"
+
+struct be_drvr_stats {
+	u32 be_tx_reqs;		/* number of TX requests initiated */
+	u32 be_tx_stops;	/* number of times TX Q was stopped */
+	u32 be_fwd_reqs;	/* number of send reqs through forwarding i/f */
+	u32 be_tx_wrbs;		/* number of tx WRBs used */
+	u32 be_tx_events;	/* number of tx completion events  */
+	u32 be_tx_compl;	/* number of tx completion entries processed */
+	u64 be_tx_jiffies;
+	ulong be_tx_bytes;
+	ulong be_tx_bytes_prev;
+	u32 be_tx_rate;
+
+	u32 cache_barrier[16];
+
+	u32 be_ethrx_post_fail;/* number of ethrx buffer alloc failures */
+	u32 be_polls;		/* number of times NAPI called poll function */
+	u32 be_rx_events;	/* number of ucast rx completion events  */
+	u32 be_rx_compl;	/* number of rx completion entries processed */
+	u32 be_lro_hgram_data[8];	/* histogram of LRO data packets */
+	u32 be_lro_hgram_ack[8];	/* histogram of LRO ACKs */
+	u64 be_rx_jiffies;
+	ulong be_rx_bytes;
+	ulong be_rx_bytes_prev;
+	u32 be_rx_rate;
+	/* number of non ether type II frames dropped where
+	 * frame len > length field of Mac Hdr */
+	u32 be_802_3_dropped_frames;
+	/* number of non ether type II frames malformed where
+	 * in frame len < length field of Mac Hdr */
+	u32 be_802_3_malformed_frames;
+	u32 be_rxcp_err;	/* Num rx completion entries w/ err set. */
+	ulong rx_fps_jiffies;	/* jiffies at last FPS calc */
+	u32 be_rx_frags;
+	u32 be_prev_rx_frags;
+	u32 be_rx_fps;		/* Rx frags per second */
+};
+
+struct be_stats_obj {
+	struct be_drvr_stats drvr_stats;
+	struct net_device_stats net_stats;
+	struct be_dma_mem cmd;
+};
+
+struct be_eq_obj {
+	struct be_queue_info q;
+	char desc[32];
+
+	/* Adaptive interrupt coalescing (AIC) info */
+	bool enable_aic;
+	u16 min_eqd;		/* in usecs */
+	u16 max_eqd;		/* in usecs */
+	u16 cur_eqd;		/* in usecs */
+
+	struct napi_struct napi;
+};
+
+struct be_tx_obj {
+	struct be_queue_info q;
+	struct be_queue_info cq;
+	/* Remember the skbs that were transmitted */
+	struct sk_buff *sent_skb_list[TX_Q_LEN];
+};
+
+/* Struct to remember the pages posted for rx frags */
+struct be_rx_page_info {
+	struct page *page;
+	dma_addr_t bus;
+	u16 page_offset;
+	bool last_page_user;
+};
+
+struct be_rx_obj {
+	struct be_queue_info q;
+	struct be_queue_info cq;
+	struct be_rx_page_info page_info_tbl[RX_Q_LEN];
+	struct net_lro_mgr lro_mgr;
+	struct net_lro_desc lro_desc[BE_MAX_LRO_DESCRIPTORS];
+};
+
+#define BE_NUM_MSIX_VECTORS		2	/* 1 each for Tx and Rx */
+struct be_adapter {
+	struct pci_dev *pdev;
+	struct net_device *netdev;
+
+	/* Mbox, pci config, csr address information */
+	struct be_ctrl_info ctrl;
+
+	struct msix_entry msix_entries[BE_NUM_MSIX_VECTORS];
+	bool msix_enabled;
+	bool isr_registered;
+
+	/* TX Rings */
+	struct be_eq_obj tx_eq;
+	struct be_tx_obj tx_obj;
+
+	u32 cache_line_break[8];
+
+	/* Rx rings */
+	struct be_eq_obj rx_eq;
+	struct be_rx_obj rx_obj;
+	u32 big_page_size;	/* Compounded page size shared by rx wrbs */
+
+	struct vlan_group *vlan_grp;
+	u16 num_vlans;
+	u8 vlan_tag[VLAN_GROUP_ARRAY_LEN];
+
+	struct be_stats_obj stats;
+	/* Work queue used to perform periodic tasks like getting statistics */
+	struct delayed_work work;
+
+	/* Ethtool knobs and info */
+	bool rx_csum; 		/* BE card must perform rx-checksumming */
+	u32 max_rx_coal;
+	char fw_ver[FW_VER_LEN];
+	u32 if_handle;		/* Used to configure filtering */
+	u32 pmac_id;		/* MAC addr handle used by BE card */
+
+	struct be_link_info link;
+	u32 port_num;
+};
+
+extern struct ethtool_ops be_ethtool_ops;
+
+#define drvr_stats(adapter)		(&adapter->stats.drvr_stats)
+
+#define BE_SET_NETDEV_OPS(netdev, ops)	(netdev->netdev_ops = ops)
+
+static inline u32 MODULO(u16 val, u16 limit)
+{
+	BUG_ON(limit & (limit - 1));
+	return val & (limit - 1);
+}
+
+static inline void index_adv(u16 *index, u16 val, u16 limit)
+{
+	*index = MODULO((*index + val), limit);
+}
+
+static inline void index_inc(u16 *index, u16 limit)
+{
+	*index = MODULO((*index + 1), limit);
+}
+
+#define PAGE_SHIFT_4K		12
+#define PAGE_SIZE_4K		(1 << PAGE_SHIFT_4K)
+
+/* Returns number of pages spanned by the data starting at the given addr */
+#define PAGES_4K_SPANNED(_address, size) 				\
+		((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + 	\
+			(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
+
+/* Byte offset into the page corresponding to given address */
+#define OFFSET_IN_PAGE(addr)						\
+		 ((size_t)(addr) & (PAGE_SIZE_4K-1))
+
+/* Returns bit offset within a DWORD of a bitfield */
+#define AMAP_BIT_OFFSET(_struct, field)  				\
+		(((size_t)&(((_struct *)0)->field))%32)
+
+/* Returns the bit mask of the field that is NOT shifted into location. */
+static inline u32 amap_mask(u32 bitsize)
+{
+	return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
+}
+
+static inline void
+amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
+{
+	u32 *dw = (u32 *) ptr + dw_offset;
+	*dw &= ~(mask << offset);
+	*dw |= (mask & value) << offset;
+}
+
+#define AMAP_SET_BITS(_struct, field, ptr, val)				\
+		amap_set(ptr,						\
+			offsetof(_struct, field)/32,			\
+			amap_mask(sizeof(((_struct *)0)->field)),	\
+			AMAP_BIT_OFFSET(_struct, field),		\
+			val)
+
+static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
+{
+	u32 *dw = (u32 *) ptr;
+	return mask & (*(dw + dw_offset) >> offset);
+}
+
+#define AMAP_GET_BITS(_struct, field, ptr)				\
+		amap_get(ptr,						\
+			offsetof(_struct, field)/32,			\
+			amap_mask(sizeof(((_struct *)0)->field)),	\
+			AMAP_BIT_OFFSET(_struct, field))
+
+#define be_dws_cpu_to_le(wrb, len)	swap_dws(wrb, len)
+#define be_dws_le_to_cpu(wrb, len)	swap_dws(wrb, len)
+static inline void swap_dws(void *wrb, int len)
+{
+#ifdef __BIG_ENDIAN
+	u32 *dw = wrb;
+	BUG_ON(len % 4);
+	do {
+		*dw = cpu_to_le32(*dw);
+		dw++;
+		len -= 4;
+	} while (len);
+#endif				/* __BIG_ENDIAN */
+}
+
+static inline u8 is_tcp_pkt(struct sk_buff *skb)
+{
+	u8 val = 0;
+
+	if (ip_hdr(skb)->version == 4)
+		val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
+	else if (ip_hdr(skb)->version == 6)
+		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
+
+	return val;
+}
+
+static inline u8 is_udp_pkt(struct sk_buff *skb)
+{
+	u8 val = 0;
+
+	if (ip_hdr(skb)->version == 4)
+		val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
+	else if (ip_hdr(skb)->version == 6)
+		val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
+
+	return val;
+}
+
+#endif				/* BE_H */

drivers/net/benet/be_cmds.h

+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+/*
+ * The driver sends configuration and managements command requests to the
+ * firmware in the BE. These requests are communicated to the processor
+ * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
+ * WRB inside a MAILBOX.
+ * The commands are serviced by the ARM processor in the BladeEngine's MPU.
+ */
+
+struct be_sge {
+	u32 pa_lo;
+	u32 pa_hi;
+	u32 len;
+};
+
+#define MCC_WRB_EMBEDDED_MASK	1 	/* bit 0 of dword 0*/
+#define MCC_WRB_SGE_CNT_SHIFT	3	/* bits 3 - 7 of dword 0 */
+#define MCC_WRB_SGE_CNT_MASK	0x1F	/* bits 3 - 7 of dword 0 */
+struct be_mcc_wrb {
+	u32 embedded;		/* dword 0 */
+	u32 payload_length;	/* dword 1 */
+	u32 tag0;		/* dword 2 */
+	u32 tag1;		/* dword 3 */
+	u32 rsvd;		/* dword 4 */
+	union {
+		u8 embedded_payload[236]; /* used by embedded cmds */
+		struct be_sge sgl[19];    /* used by non-embedded cmds */
+	} payload;
+};
+
+#define CQE_FLAGS_VALID_MASK 		(1 << 31)
+#define CQE_FLAGS_ASYNC_MASK 		(1 << 30)
+#define CQE_FLAGS_COMPLETED_MASK 	(1 << 28)
+#define CQE_FLAGS_CONSUMED_MASK 	(1 << 27)
+
+/* Completion Status */
+enum {
+	MCC_STATUS_SUCCESS = 0x0,
+/* The client does not have sufficient privileges to execute the command */
+	MCC_STATUS_INSUFFICIENT_PRIVILEGES = 0x1,
+/* A parameter in the command was invalid. */
+	MCC_STATUS_INVALID_PARAMETER = 0x2,
+/* There are insufficient chip resources to execute the command */
+	MCC_STATUS_INSUFFICIENT_RESOURCES = 0x3,
+/* The command is completing because the queue was getting flushed */
+	MCC_STATUS_QUEUE_FLUSHING = 0x4,
+/* The command is completing with a DMA error */
+	MCC_STATUS_DMA_FAILED = 0x5
+};
+
+#define CQE_STATUS_COMPL_MASK		0xFFFF
+#define CQE_STATUS_COMPL_SHIFT		0	/* bits 0 - 15 */
+#define CQE_STATUS_EXTD_MASK		0xFFFF
+#define CQE_STATUS_EXTD_SHIFT		0	/* bits 0 - 15 */
+
+struct be_mcc_cq_entry {
+	u32 status;		/* dword 0 */
+	u32 tag0;		/* dword 1 */
+	u32 tag1;		/* dword 2 */
+	u32 flags;		/* dword 3 */
+};
+
+struct be_mcc_mailbox {
+	struct be_mcc_wrb wrb;
+	struct be_mcc_cq_entry cqe;
+};
+
+#define CMD_SUBSYSTEM_COMMON	0x1
+#define CMD_SUBSYSTEM_ETH 	0x3
+
+#define OPCODE_COMMON_NTWK_MAC_QUERY			1
+#define OPCODE_COMMON_NTWK_MAC_SET			2
+#define OPCODE_COMMON_NTWK_MULTICAST_SET		3
+#define OPCODE_COMMON_NTWK_VLAN_CONFIG  		4
+#define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY		5
+#define OPCODE_COMMON_CQ_CREATE				12
+#define OPCODE_COMMON_EQ_CREATE				13
+#define OPCODE_COMMON_MCC_CREATE        		21
+#define OPCODE_COMMON_NTWK_RX_FILTER    		34
+#define OPCODE_COMMON_GET_FW_VERSION			35
+#define OPCODE_COMMON_SET_FLOW_CONTROL			36
+#define OPCODE_COMMON_GET_FLOW_CONTROL			37
+#define OPCODE_COMMON_SET_FRAME_SIZE			39
+#define OPCODE_COMMON_MODIFY_EQ_DELAY			41
+#define OPCODE_COMMON_FIRMWARE_CONFIG			42
+#define OPCODE_COMMON_NTWK_INTERFACE_CREATE 		50
+#define OPCODE_COMMON_NTWK_INTERFACE_DESTROY 		51
+#define OPCODE_COMMON_CQ_DESTROY        		54
+#define OPCODE_COMMON_EQ_DESTROY        		55
+#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG		58
+#define OPCODE_COMMON_NTWK_PMAC_ADD			59
+#define OPCODE_COMMON_NTWK_PMAC_DEL			60
+
+#define OPCODE_ETH_ACPI_CONFIG				2
+#define OPCODE_ETH_PROMISCUOUS				3
+#define OPCODE_ETH_GET_STATISTICS			4
+#define OPCODE_ETH_TX_CREATE				7
+#define OPCODE_ETH_RX_CREATE            		8
+#define OPCODE_ETH_TX_DESTROY           		9
+#define OPCODE_ETH_RX_DESTROY           		10
+
+struct be_cmd_req_hdr {
+	u8 opcode;		/* dword 0 */
+	u8 subsystem;		/* dword 0 */
+	u8 port_number;		/* dword 0 */
+	u8 domain;		/* dword 0 */
+	u32 timeout;		/* dword 1 */
+	u32 request_length;	/* dword 2 */
+	u32 rsvd;		/* dword 3 */
+};
+
+#define RESP_HDR_INFO_OPCODE_SHIFT	0	/* bits 0 - 7 */
+#define RESP_HDR_INFO_SUBSYS_SHIFT	8 	/* bits 8 - 15 */
+struct be_cmd_resp_hdr {
+	u32 info;		/* dword 0 */
+	u32 status;		/* dword 1 */
+	u32 response_length;	/* dword 2 */
+	u32 actual_resp_len;	/* dword 3 */
+};
+
+struct phys_addr {
+	u32 lo;
+	u32 hi;
+};
+
+/**************************
+ * BE Command definitions *
+ **************************/
+
+/* Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte: used to calculate offset/shift/mask of each field */
+struct amap_eq_context {
+	u8 cidx[13];		/* dword 0*/
+	u8 rsvd0[3];		/* dword 0*/
+	u8 epidx[13];		/* dword 0*/
+	u8 valid;		/* dword 0*/
+	u8 rsvd1;		/* dword 0*/
+	u8 size;		/* dword 0*/
+	u8 pidx[13];		/* dword 1*/
+	u8 rsvd2[3];		/* dword 1*/
+	u8 pd[10];		/* dword 1*/
+	u8 count[3];		/* dword 1*/
+	u8 solevent;		/* dword 1*/
+	u8 stalled;		/* dword 1*/
+	u8 armed;		/* dword 1*/
+	u8 rsvd3[4];		/* dword 2*/
+	u8 func[8];		/* dword 2*/
+	u8 rsvd4;		/* dword 2*/
+	u8 delaymult[10];	/* dword 2*/
+	u8 rsvd5[2];		/* dword 2*/
+	u8 phase[2];		/* dword 2*/
+	u8 nodelay;		/* dword 2*/
+	u8 rsvd6[4];		/* dword 2*/
+	u8 rsvd7[32];		/* dword 3*/
+} __packed;
+
+struct be_cmd_req_eq_create {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;		/* sword */
+	u16 rsvd0;		/* sword */
+	u8 context[sizeof(struct amap_eq_context) / 8];
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_eq_create {
+	struct be_cmd_resp_hdr resp_hdr;
+	u16 eq_id;		/* sword */
+	u16 rsvd0;		/* sword */
+} __packed;
+
+/******************** Mac query ***************************/
+enum {
+	MAC_ADDRESS_TYPE_STORAGE = 0x0,
+	MAC_ADDRESS_TYPE_NETWORK = 0x1,
+	MAC_ADDRESS_TYPE_PD = 0x2,
+	MAC_ADDRESS_TYPE_MANAGEMENT = 0x3
+};
+
+struct mac_addr {
+	u16 size_of_struct;
+	u8 addr[ETH_ALEN];
+} __packed;
+
+struct be_cmd_req_mac_query {
+	struct be_cmd_req_hdr hdr;
+	u8 type;
+	u8 permanent;
+	u16 if_id;
+} __packed;
+
+struct be_cmd_resp_mac_query {
+	struct be_cmd_resp_hdr hdr;
+	struct mac_addr mac;
+};
+
+/******************** PMac Add ***************************/
+struct be_cmd_req_pmac_add {
+	struct be_cmd_req_hdr hdr;
+	u32 if_id;
+	u8 mac_address[ETH_ALEN];
+	u8 rsvd0[2];
+} __packed;
+
+struct be_cmd_resp_pmac_add {
+	struct be_cmd_resp_hdr hdr;
+	u32 pmac_id;
+};
+
+/******************** PMac Del ***************************/
+struct be_cmd_req_pmac_del {
+	struct be_cmd_req_hdr hdr;
+	u32 if_id;
+	u32 pmac_id;
+};
+
+/******************** Create CQ ***************************/
+/* Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte: used to calculate offset/shift/mask of each field */
+struct amap_cq_context {
+	u8 cidx[11];		/* dword 0*/
+	u8 rsvd0;		/* dword 0*/
+	u8 coalescwm[2];	/* dword 0*/
+	u8 nodelay;		/* dword 0*/
+	u8 epidx[11];		/* dword 0*/
+	u8 rsvd1;		/* dword 0*/
+	u8 count[2];		/* dword 0*/
+	u8 valid;		/* dword 0*/
+	u8 solevent;		/* dword 0*/
+	u8 eventable;		/* dword 0*/
+	u8 pidx[11];		/* dword 1*/
+	u8 rsvd2;		/* dword 1*/
+	u8 pd[10];		/* dword 1*/
+	u8 eqid[8];		/* dword 1*/
+	u8 stalled;		/* dword 1*/
+	u8 armed;		/* dword 1*/
+	u8 rsvd3[4];		/* dword 2*/
+	u8 func[8];		/* dword 2*/
+	u8 rsvd4[20];		/* dword 2*/
+	u8 rsvd5[32];		/* dword 3*/
+} __packed;
+
+struct be_cmd_req_cq_create {
+	struct be_cmd_req_hdr hdr;
+	u16 num_pages;
+	u16 rsvd0;
+	u8 context[sizeof(struct amap_cq_context) / 8];
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_cq_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 cq_id;
+	u16 rsvd0;
+} __packed;
+
+/******************** Create TxQ ***************************/
+#define BE_ETH_TX_RING_TYPE_STANDARD    	2
+#define BE_ULP1_NUM				1
+
+/* Pseudo amap definition in which each bit of the actual structure is defined
+ * as a byte: used to calculate offset/shift/mask of each field */
+struct amap_tx_context {
+	u8 rsvd0[16];		/* dword 0 */
+	u8 tx_ring_size[4];	/* dword 0 */
+	u8 rsvd1[26];		/* dword 0 */
+	u8 pci_func_id[8];	/* dword 1 */
+	u8 rsvd2[9];		/* dword 1 */
+	u8 ctx_valid;		/* dword 1 */
+	u8 cq_id_send[16];	/* dword 2 */
+	u8 rsvd3[16];		/* dword 2 */
+	u8 rsvd4[32];		/* dword 3 */
+	u8 rsvd5[32];		/* dword 4 */
+	u8 rsvd6[32];		/* dword 5 */
+	u8 rsvd7[32];		/* dword 6 */
+	u8 rsvd8[32];		/* dword 7 */
+	u8 rsvd9[32];		/* dword 8 */
+	u8 rsvd10[32];		/* dword 9 */
+	u8 rsvd11[32];		/* dword 10 */
+	u8 rsvd12[32];		/* dword 11 */
+	u8 rsvd13[32];		/* dword 12 */
+	u8 rsvd14[32];		/* dword 13 */
+	u8 rsvd15[32];		/* dword 14 */
+	u8 rsvd16[32];		/* dword 15 */
+} __packed;
+
+struct be_cmd_req_eth_tx_create {
+	struct be_cmd_req_hdr hdr;
+	u8 num_pages;
+	u8 ulp_num;
+	u8 type;
+	u8 bound_port;
+	u8 context[sizeof(struct amap_tx_context) / 8];
+	struct phys_addr pages[8];
+} __packed;
+
+struct be_cmd_resp_eth_tx_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 cid;
+	u16 rsvd0;
+} __packed;
+
+/******************** Create RxQ ***************************/
+struct be_cmd_req_eth_rx_create {
+	struct be_cmd_req_hdr hdr;
+	u16 cq_id;
+	u8 frag_size;
+	u8 num_pages;
+	struct phys_addr pages[2];
+	u32 interface_id;
+	u16 max_frame_size;
+	u16 rsvd0;
+	u32 rss_queue;
+} __packed;
+
+struct be_cmd_resp_eth_rx_create {
+	struct be_cmd_resp_hdr hdr;
+	u16 id;
+	u8 cpu_id;
+	u8 rsvd0;
+} __packed;
+
+/******************** Q Destroy  ***************************/
+/* Type of Queue to be destroyed */
+enum {
+	QTYPE_EQ = 1,
+	QTYPE_CQ,
+	QTYPE_TXQ,
+	QTYPE_RXQ
+};
+
+struct be_cmd_req_q_destroy {
+	struct be_cmd_req_hdr hdr;
+	u16 id;
+	u16 bypass_flush;	/* valid only for rx q destroy */
+} __packed;
+
+/************ I/f Create (it's actually I/f Config Create)**********/
+
+/* Capability flags for the i/f */
+enum be_if_flags {
+	BE_IF_FLAGS_RSS = 0x4,
+	BE_IF_FLAGS_PROMISCUOUS = 0x8,
+	BE_IF_FLAGS_BROADCAST = 0x10,
+	BE_IF_FLAGS_UNTAGGED = 0x20,
+	BE_IF_FLAGS_ULP = 0x40,
+	BE_IF_FLAGS_VLAN_PROMISCUOUS = 0x80,
+	BE_IF_FLAGS_VLAN = 0x100,
+	BE_IF_FLAGS_MCAST_PROMISCUOUS = 0x200,
+	BE_IF_FLAGS_PASS_L2_ERRORS = 0x400,
+	BE_IF_FLAGS_PASS_L3L4_ERRORS = 0x800
+};
+
+/* An RX interface is an object with one or more MAC addresses and
+ * filtering capabilities. */
+struct be_cmd_req_if_create {
+	struct be_cmd_req_hdr hdr;
+	u32 version;		/* ignore currntly */
+	u32 capability_flags;
+	u32 enable_flags;
+	u8 mac_addr[ETH_ALEN];
+	u8 rsvd0;
+	u8 pmac_invalid; /* if set, don't attach the mac addr to the i/f */
+	u32 vlan_tag;	 /* not used currently */
+} __packed;
+
+struct be_cmd_resp_if_create {
+	struct be_cmd_resp_hdr hdr;
+	u32 interface_id;
+	u32 pmac_id;
+};
+
+/****** I/f Destroy(it's actually I/f Config Destroy )**********/
+struct be_cmd_req_if_destroy {
+	struct be_cmd_req_hdr hdr;
+	u32 interface_id;
+};
+
+/*************** HW Stats Get **********************************/
+struct be_port_rxf_stats {
+	u32 rx_bytes_lsd;	/* dword 0*/
+	u32 rx_bytes_msd;	/* dword 1*/
+	u32 rx_total_frames;	/* dword 2*/
+	u32 rx_unicast_frames;	/* dword 3*/
+	u32 rx_multicast_frames;	/* dword 4*/
+	u32 rx_broadcast_frames;	/* dword 5*/
+	u32 rx_crc_errors;	/* dword 6*/
+	u32 rx_alignment_symbol_errors;	/* dword 7*/
+	u32 rx_pause_frames;	/* dword 8*/
+	u32 rx_control_frames;	/* dword 9*/
+	u32 rx_in_range_errors;	/* dword 10*/
+	u32 rx_out_range_errors;	/* dword 11*/
+	u32 rx_frame_too_long;	/* dword 12*/
+	u32 rx_address_match_errors;	/* dword 13*/
+	u32 rx_vlan_mismatch;	/* dword 14*/
+	u32 rx_dropped_too_small;	/* dword 15*/
+	u32 rx_dropped_too_short;	/* dword 16*/
+	u32 rx_dropped_header_too_small;	/* dword 17*/
+	u32 rx_dropped_tcp_length;	/* dword 18*/
+	u32 rx_dropped_runt;	/* dword 19*/
+	u32 rx_64_byte_packets;	/* dword 20*/
+	u32 rx_65_127_byte_packets;	/* dword 21*/
+	u32 rx_128_256_byte_packets;	/* dword 22*/
+	u32 rx_256_511_byte_packets;	/* dword 23*/
+	u32 rx_512_1023_byte_packets;	/* dword 24*/
+	u32 rx_1024_1518_byte_packets;	/* dword 25*/
+	u32 rx_1519_2047_byte_packets;	/* dword 26*/
+	u32 rx_2048_4095_byte_packets;	/* dword 27*/
+	u32 rx_4096_8191_byte_packets;	/* dword 28*/
+	u32 rx_8192_9216_byte_packets;	/* dword 29*/
+	u32 rx_ip_checksum_errs;	/* dword 30*/
+	u32 rx_tcp_checksum_errs;	/* dword 31*/
+	u32 rx_udp_checksum_errs;	/* dword 32*/
+	u32 rx_non_rss_packets;	/* dword 33*/
+	u32 rx_ipv4_packets;	/* dword 34*/
+	u32 rx_ipv6_packets;	/* dword 35*/
+	u32 rx_ipv4_bytes_lsd;	/* dword 36*/
+	u32 rx_ipv4_bytes_msd;	/* dword 37*/
+	u32 rx_ipv6_bytes_lsd;	/* dword 38*/
+	u32 rx_ipv6_bytes_msd;	/* dword 39*/
+	u32 rx_chute1_packets;	/* dword 40*/
+	u32 rx_chute2_packets;	/* dword 41*/
+	u32 rx_chute3_packets;	/* dword 42*/
+	u32 rx_management_packets;	/* dword 43*/
+	u32 rx_switched_unicast_packets;	/* dword 44*/
+	u32 rx_switched_multicast_packets;	/* dword 45*/
+	u32 rx_switched_broadcast_packets;	/* dword 46*/
+	u32 tx_bytes_lsd;	/* dword 47*/
+	u32 tx_bytes_msd;	/* dword 48*/
+	u32 tx_unicastframes;	/* dword 49*/
+	u32 tx_multicastframes;	/* dword 50*/
+	u32 tx_broadcastframes;	/* dword 51*/
+	u32 tx_pauseframes;	/* dword 52*/
+	u32 tx_controlframes;	/* dword 53*/
+	u32 tx_64_byte_packets;	/* dword 54*/
+	u32 tx_65_127_byte_packets;	/* dword 55*/
+	u32 tx_128_256_byte_packets;	/* dword 56*/
+	u32 tx_256_511_byte_packets;	/* dword 57*/
+	u32 tx_512_1023_byte_packets;	/* dword 58*/
+	u32 tx_1024_1518_byte_packets;	/* dword 59*/
+	u32 tx_1519_2047_byte_packets;	/* dword 60*/
+	u32 tx_2048_4095_byte_packets;	/* dword 61*/
+	u32 tx_4096_8191_byte_packets;	/* dword 62*/
+	u32 tx_8192_9216_byte_packets;	/* dword 63*/
+	u32 rx_fifo_overflow;	/* dword 64*/
+	u32 rx_input_fifo_overflow;	/* dword 65*/
+};
+
+struct be_rxf_stats {
+	struct be_port_rxf_stats port[2];
+	u32 rx_drops_no_pbuf;	/* dword 132*/
+	u32 rx_drops_no_txpb;	/* dword 133*/
+	u32 rx_drops_no_erx_descr;	/* dword 134*/
+	u32 rx_drops_no_tpre_descr;	/* dword 135*/
+	u32 management_rx_port_packets;	/* dword 136*/
+	u32 management_rx_port_bytes;	/* dword 137*/
+	u32 management_rx_port_pause_frames;	/* dword 138*/
+	u32 management_rx_port_errors;	/* dword 139*/
+	u32 management_tx_port_packets;	/* dword 140*/
+	u32 management_tx_port_bytes;	/* dword 141*/
+	u32 management_tx_port_pause;	/* dword 142*/
+	u32 management_rx_port_rxfifo_overflow;	/* dword 143*/
+	u32 rx_drops_too_many_frags;	/* dword 144*/
+	u32 rx_drops_invalid_ring;	/* dword 145*/
+	u32 forwarded_packets;	/* dword 146*/
+	u32 rx_drops_mtu;	/* dword 147*/
+	u32 rsvd0[15];
+};
+
+struct be_erx_stats {
+	u32 rx_drops_no_fragments[44];     /* dwordS 0 to 43*/
+	u32 debug_wdma_sent_hold;          /* dword 44*/
+	u32 debug_wdma_pbfree_sent_hold;   /* dword 45*/
+	u32 debug_wdma_zerobyte_pbfree_sent_hold; /* dword 46*/
+	u32 debug_pmem_pbuf_dealloc;       /* dword 47*/
+};
+
+struct be_hw_stats {
+	struct be_rxf_stats rxf;
+	u32 rsvd[48];
+	struct be_erx_stats erx;
+};
+
+struct be_cmd_req_get_stats {
+	struct be_cmd_req_hdr hdr;
+	u8 rsvd[sizeof(struct be_hw_stats)];
+};
+
+struct be_cmd_resp_get_stats {
+	struct be_cmd_resp_hdr hdr;
+	struct be_hw_stats hw_stats;
+};
+
+struct be_cmd_req_vlan_config {
+	struct be_cmd_req_hdr hdr;
+	u8 interface_id;
+	u8 promiscuous;
+	u8 untagged;
+	u8 num_vlan;
+	u16 normal_vlan[64];
+} __packed;
+
+struct be_cmd_req_promiscuous_config {
+	struct be_cmd_req_hdr hdr;
+	u8 port0_promiscuous;
+	u8 port1_promiscuous;
+	u16 rsvd0;
+} __packed;
+
+struct macaddr {
+	u8 byte[ETH_ALEN];
+};
+
+struct be_cmd_req_mcast_mac_config {
+	struct be_cmd_req_hdr hdr;
+	u16 num_mac;
+	u8 promiscuous;
+	u8 interface_id;
+	struct macaddr mac[32];
+} __packed;
+
+static inline struct be_hw_stats *
+hw_stats_from_cmd(struct be_cmd_resp_get_stats *cmd)
+{
+	return &cmd->hw_stats;
+}
+
+/******************** Link Status Query *******************/
+struct be_cmd_req_link_status {
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd;
+};
+
+struct be_link_info {
+	u8 duplex;
+	u8 speed;
+	u8 fault;
+};
+
+enum {
+	PHY_LINK_DUPLEX_NONE = 0x0,
+	PHY_LINK_DUPLEX_HALF = 0x1,
+	PHY_LINK_DUPLEX_FULL = 0x2
+};
+
+enum {
+	PHY_LINK_SPEED_ZERO = 0x0, 	/* => No link */
+	PHY_LINK_SPEED_10MBPS = 0x1,
+	PHY_LINK_SPEED_100MBPS = 0x2,
+	PHY_LINK_SPEED_1GBPS = 0x3,
+	PHY_LINK_SPEED_10GBPS = 0x4
+};
+
+struct be_cmd_resp_link_status {
+	struct be_cmd_resp_hdr hdr;
+	u8 physical_port;
+	u8 mac_duplex;
+	u8 mac_speed;
+	u8 mac_fault;
+	u8 mgmt_mac_duplex;
+	u8 mgmt_mac_speed;
+	u16 rsvd0;
+} __packed;
+
+/******************** Get FW Version *******************/
+#define FW_VER_LEN			32
+struct be_cmd_req_get_fw_version {
+	struct be_cmd_req_hdr hdr;
+	u8 rsvd0[FW_VER_LEN];
+	u8 rsvd1[FW_VER_LEN];
+} __packed;
+
+struct be_cmd_resp_get_fw_version {
+	struct be_cmd_resp_hdr hdr;
+	u8 firmware_version_string[FW_VER_LEN];
+	u8 fw_on_flash_version_string[FW_VER_LEN];
+} __packed;
+
+/******************** Set Flow Contrl *******************/
+struct be_cmd_req_set_flow_control {
+	struct be_cmd_req_hdr hdr;
+	u16 tx_flow_control;
+	u16 rx_flow_control;
+} __packed;
+
+/******************** Get Flow Contrl *******************/
+struct be_cmd_req_get_flow_control {
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd;
+};
+
+struct be_cmd_resp_get_flow_control {
+	struct be_cmd_resp_hdr hdr;
+	u16 tx_flow_control;
+	u16 rx_flow_control;
+} __packed;
+
+/******************** Modify EQ Delay *******************/
+struct be_cmd_req_modify_eq_delay {
+	struct be_cmd_req_hdr hdr;
+	u32 num_eq;
+	struct {
+		u32 eq_id;
+		u32 phase;
+		u32 delay_multiplier;
+	} delay[8];
+} __packed;
+
+struct be_cmd_resp_modify_eq_delay {
+	struct be_cmd_resp_hdr hdr;
+	u32 rsvd0;
+} __packed;
+
+/******************** Get FW Config *******************/
+struct be_cmd_req_query_fw_cfg {
+	struct be_cmd_req_hdr hdr;
+	u32 rsvd[30];
+};
+
+struct be_cmd_resp_query_fw_cfg {
+	struct be_cmd_resp_hdr hdr;
+	u32 be_config_number;
+	u32 asic_revision;
+	u32 phys_port;
+	u32 function_mode;
+	u32 rsvd[26];
+};
+
+extern int be_pci_fnum_get(struct be_ctrl_info *ctrl);
+extern int be_cmd_POST(struct be_ctrl_info *ctrl);
+extern int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
+			u8 type, bool permanent, u32 if_handle);
+extern int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
+			u32 if_id, u32 *pmac_id);
+extern int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id);
+extern int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 if_flags, u8 *mac,
+			bool pmac_invalid, u32 *if_handle, u32 *pmac_id);
+extern int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 if_handle);
+extern int be_cmd_eq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *eq, int eq_delay);
+extern int be_cmd_cq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *cq, struct be_queue_info *eq,
+			bool sol_evts, bool no_delay,
+			int num_cqe_dma_coalesce);
+extern int be_cmd_txq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *txq,
+			struct be_queue_info *cq);
+extern int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
+			struct be_queue_info *rxq, u16 cq_id,
+			u16 frag_size, u16 max_frame_size, u32 if_id,
+			u32 rss);
+extern int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
+			int type);
+extern int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
+			struct be_link_info *link);
+extern int be_cmd_reset(struct be_ctrl_info *ctrl);
+extern int be_cmd_get_stats(struct be_ctrl_info *ctrl,
+			struct be_dma_mem *nonemb_cmd);
+extern int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver);
+
+extern int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd);
+extern int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id,
+			u16 *vtag_array, u32 num, bool untagged,
+			bool promiscuous);
+extern int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl,
+			u8 port_num, bool en);
+extern int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id,
+			u8 *mac_table, u32 num, bool promiscuous);
+extern int be_cmd_set_flow_control(struct be_ctrl_info *ctrl,
+			u32 tx_fc, u32 rx_fc);
+extern int be_cmd_get_flow_control(struct be_ctrl_info *ctrl,
+			u32 *tx_fc, u32 *rx_fc);
+extern int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num);

drivers/net/benet/be_ethtool.c

+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+#include "be.h"
+#include <linux/ethtool.h>
+
+struct be_ethtool_stat {
+	char desc[ETH_GSTRING_LEN];
+	int type;
+	int size;
+	int offset;
+};
+
+enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT};
+#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
+					offsetof(_struct, field)
+#define NETSTAT_INFO(field) 	#field, NETSTAT,\
+					FIELDINFO(struct net_device_stats,\
+						field)
+#define DRVSTAT_INFO(field) 	#field, DRVSTAT,\
+					FIELDINFO(struct be_drvr_stats, field)
+#define MISCSTAT_INFO(field) 	#field, MISCSTAT,\
+					FIELDINFO(struct be_rxf_stats, field)
+#define PORTSTAT_INFO(field) 	#field, PORTSTAT,\
+					FIELDINFO(struct be_port_rxf_stats, \
+						field)
+#define ERXSTAT_INFO(field) 	#field, ERXSTAT,\
+					FIELDINFO(struct be_erx_stats, field)
+
+static const struct be_ethtool_stat et_stats[] = {
+	{NETSTAT_INFO(rx_packets)},
+	{NETSTAT_INFO(tx_packets)},
+	{NETSTAT_INFO(rx_bytes)},
+	{NETSTAT_INFO(tx_bytes)},
+	{NETSTAT_INFO(rx_errors)},
+	{NETSTAT_INFO(tx_errors)},
+	{NETSTAT_INFO(rx_dropped)},
+	{NETSTAT_INFO(tx_dropped)},
+	{DRVSTAT_INFO(be_tx_reqs)},
+	{DRVSTAT_INFO(be_tx_stops)},
+	{DRVSTAT_INFO(be_fwd_reqs)},
+	{DRVSTAT_INFO(be_tx_wrbs)},
+	{DRVSTAT_INFO(be_polls)},
+	{DRVSTAT_INFO(be_tx_events)},
+	{DRVSTAT_INFO(be_rx_events)},
+	{DRVSTAT_INFO(be_tx_compl)},
+	{DRVSTAT_INFO(be_rx_compl)},
+	{DRVSTAT_INFO(be_ethrx_post_fail)},
+	{DRVSTAT_INFO(be_802_3_dropped_frames)},
+	{DRVSTAT_INFO(be_802_3_malformed_frames)},
+	{DRVSTAT_INFO(be_tx_rate)},
+	{DRVSTAT_INFO(be_rx_rate)},
+	{PORTSTAT_INFO(rx_unicast_frames)},
+	{PORTSTAT_INFO(rx_multicast_frames)},
+	{PORTSTAT_INFO(rx_broadcast_frames)},
+	{PORTSTAT_INFO(rx_crc_errors)},
+	{PORTSTAT_INFO(rx_alignment_symbol_errors)},
+	{PORTSTAT_INFO(rx_pause_frames)},
+	{PORTSTAT_INFO(rx_control_frames)},
+	{PORTSTAT_INFO(rx_in_range_errors)},
+	{PORTSTAT_INFO(rx_out_range_errors)},
+	{PORTSTAT_INFO(rx_frame_too_long)},
+	{PORTSTAT_INFO(rx_address_match_errors)},
+	{PORTSTAT_INFO(rx_vlan_mismatch)},
+	{PORTSTAT_INFO(rx_dropped_too_small)},
+	{PORTSTAT_INFO(rx_dropped_too_short)},
+	{PORTSTAT_INFO(rx_dropped_header_too_small)},
+	{PORTSTAT_INFO(rx_dropped_tcp_length)},
+	{PORTSTAT_INFO(rx_dropped_runt)},
+	{PORTSTAT_INFO(rx_fifo_overflow)},
+	{PORTSTAT_INFO(rx_input_fifo_overflow)},
+	{PORTSTAT_INFO(rx_ip_checksum_errs)},
+	{PORTSTAT_INFO(rx_tcp_checksum_errs)},
+	{PORTSTAT_INFO(rx_udp_checksum_errs)},
+	{PORTSTAT_INFO(rx_non_rss_packets)},
+	{PORTSTAT_INFO(rx_ipv4_packets)},
+	{PORTSTAT_INFO(rx_ipv6_packets)},
+	{PORTSTAT_INFO(tx_unicastframes)},
+	{PORTSTAT_INFO(tx_multicastframes)},
+	{PORTSTAT_INFO(tx_broadcastframes)},
+	{PORTSTAT_INFO(tx_pauseframes)},
+	{PORTSTAT_INFO(tx_controlframes)},
+	{MISCSTAT_INFO(rx_drops_no_pbuf)},
+	{MISCSTAT_INFO(rx_drops_no_txpb)},
+	{MISCSTAT_INFO(rx_drops_no_erx_descr)},
+	{MISCSTAT_INFO(rx_drops_no_tpre_descr)},
+	{MISCSTAT_INFO(rx_drops_too_many_frags)},
+	{MISCSTAT_INFO(rx_drops_invalid_ring)},
+	{MISCSTAT_INFO(forwarded_packets)},
+	{MISCSTAT_INFO(rx_drops_mtu)},
+	{ERXSTAT_INFO(rx_drops_no_fragments)},
+};
+#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
+
+static void
+be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	strcpy(drvinfo->driver, DRV_NAME);
+	strcpy(drvinfo->version, DRV_VER);
+	strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
+	strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
+	drvinfo->testinfo_len = 0;
+	drvinfo->regdump_len = 0;
+	drvinfo->eedump_len = 0;
+}
+
+static int
+be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+
+	coalesce->rx_max_coalesced_frames = adapter->max_rx_coal;
+
+	coalesce->rx_coalesce_usecs = rx_eq->cur_eqd;
+	coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd;
+	coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd;
+
+	coalesce->tx_coalesce_usecs = tx_eq->cur_eqd;
+	coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd;
+	coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd;
+
+	coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic;
+	coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic;
+
+	return 0;
+}
+
+/*
+ * This routine is used to set interrup coalescing delay *as well as*
+ * the number of pkts to coalesce for LRO.
+ */
+static int
+be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_ctrl_info *ctrl = &adapter->ctrl;
+	struct be_eq_obj *rx_eq = &adapter->rx_eq;
+	struct be_eq_obj *tx_eq = &adapter->tx_eq;
+	u32 tx_max, tx_min, tx_cur;
+	u32 rx_max, rx_min, rx_cur;
+	int status = 0;
+
+	if (coalesce->use_adaptive_tx_coalesce == 1)
+		return -EINVAL;
+
+	adapter->max_rx_coal = coalesce->rx_max_coalesced_frames;
+	if (adapter->max_rx_coal > MAX_SKB_FRAGS)
+		adapter->max_rx_coal = MAX_SKB_FRAGS - 1;
+
+	/* if AIC is being turned on now, start with an EQD of 0 */
+	if (rx_eq->enable_aic == 0 &&
+		coalesce->use_adaptive_rx_coalesce == 1) {
+		rx_eq->cur_eqd = 0;
+	}
+	rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce;
+
+	rx_max = coalesce->rx_coalesce_usecs_high;
+	rx_min = coalesce->rx_coalesce_usecs_low;
+	rx_cur = coalesce->rx_coalesce_usecs;
+
+	tx_max = coalesce->tx_coalesce_usecs_high;
+	tx_min = coalesce->tx_coalesce_usecs_low;
+	tx_cur = coalesce->tx_coalesce_usecs;
+
+	if (tx_cur > BE_MAX_EQD)
+		tx_cur = BE_MAX_EQD;
+	if (tx_eq->cur_eqd != tx_cur) {
+		status = be_cmd_modify_eqd(ctrl, tx_eq->q.id, tx_cur);
+		if (!status)
+			tx_eq->cur_eqd = tx_cur;
+	}
+
+	if (rx_eq->enable_aic) {
+		if (rx_max > BE_MAX_EQD)
+			rx_max = BE_MAX_EQD;
+		if (rx_min > rx_max)
+			rx_min = rx_max;
+		rx_eq->max_eqd = rx_max;
+		rx_eq->min_eqd = rx_min;
+		if (rx_eq->cur_eqd > rx_max)
+			rx_eq->cur_eqd = rx_max;
+		if (rx_eq->cur_eqd < rx_min)
+			rx_eq->cur_eqd = rx_min;
+	} else {
+		if (rx_cur > BE_MAX_EQD)
+			rx_cur = BE_MAX_EQD;
+		if (rx_eq->cur_eqd != rx_cur) {
+			status = be_cmd_modify_eqd(ctrl, rx_eq->q.id, rx_cur);
+			if (!status)
+				rx_eq->cur_eqd = rx_cur;
+		}
+	}
+	return 0;
+}
+
+static u32 be_get_rx_csum(struct net_device *netdev)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	return adapter->rx_csum;
+}
+
+static int be_set_rx_csum(struct net_device *netdev, uint32_t data)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	if (data)
+		adapter->rx_csum = true;
+	else
+		adapter->rx_csum = false;
+
+	return 0;
+}
+
+static void
+be_get_ethtool_stats(struct net_device *netdev,
+		struct ethtool_stats *stats, uint64_t *data)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats;
+	struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va);
+	struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
+	struct be_port_rxf_stats *port_stats =
+			&rxf_stats->port[adapter->port_num];
+	struct net_device_stats *net_stats = &adapter->stats.net_stats;
+	struct be_erx_stats *erx_stats = &hw_stats->erx;
+	void *p = NULL;
+	int i;
+
+	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
+		switch (et_stats[i].type) {
+		case NETSTAT:
+			p = net_stats;
+			break;
+		case DRVSTAT:
+			p = drvr_stats;
+			break;
+		case PORTSTAT:
+			p = port_stats;
+			break;
+		case MISCSTAT:
+			p = rxf_stats;
+			break;
+		case ERXSTAT: /* Currently only one ERX stat is provided */
+			p = (u32 *)erx_stats + adapter->rx_obj.q.id;
+			break;
+		}
+
+		p = (u8 *)p + et_stats[i].offset;
+		data[i] = (et_stats[i].size == sizeof(u64)) ?
+				*(u64 *)p: *(u32 *)p;
+	}
+
+	return;
+}
+
+static void
+be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
+		uint8_t *data)
+{
+	int i;
+	switch (stringset) {
+	case ETH_SS_STATS:
+		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
+			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
+			data += ETH_GSTRING_LEN;
+		}
+		break;
+	}
+}
+
+static int be_get_stats_count(struct net_device *netdev)
+{
+	return ETHTOOL_STATS_NUM;
+}
+
+static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+	ecmd->speed = SPEED_10000;
+	ecmd->duplex = DUPLEX_FULL;
+	ecmd->autoneg = AUTONEG_DISABLE;
+	return 0;
+}
+
+static void
+be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	ring->rx_max_pending = adapter->rx_obj.q.len;
+	ring->tx_max_pending = adapter->tx_obj.q.len;
+
+	ring->rx_pending = atomic_read(&adapter->rx_obj.q.used);
+	ring->tx_pending = atomic_read(&adapter->tx_obj.q.used);
+}
+
+static void
+be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+
+	be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause,
+		&ecmd->rx_pause);
+	ecmd->autoneg = AUTONEG_ENABLE;
+}
+
+static int
+be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
+{
+	struct be_adapter *adapter = netdev_priv(netdev);
+	int status;
+
+	if (ecmd->autoneg != AUTONEG_ENABLE)
+		return -EINVAL;
+
+	status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause,
+			ecmd->rx_pause);
+	if (!status)
+		dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
+
+	return status;
+}
+
+struct ethtool_ops be_ethtool_ops = {
+	.get_settings = be_get_settings,
+	.get_drvinfo = be_get_drvinfo,
+	.get_link = ethtool_op_get_link,
+	.get_coalesce = be_get_coalesce,
+	.set_coalesce = be_set_coalesce,
+	.get_ringparam = be_get_ringparam,
+	.get_pauseparam = be_get_pauseparam,
+	.set_pauseparam = be_set_pauseparam,
+	.get_rx_csum = be_get_rx_csum,
+	.set_rx_csum = be_set_rx_csum,
+	.get_tx_csum = ethtool_op_get_tx_csum,
+	.set_tx_csum = ethtool_op_set_tx_csum,
+	.get_sg = ethtool_op_get_sg,
+	.set_sg = ethtool_op_set_sg,
+	.get_tso = ethtool_op_get_tso,
+	.set_tso = ethtool_op_set_tso,
+	.get_strings = be_get_stat_strings,
+	.get_stats_count = be_get_stats_count,
+	.get_ethtool_stats = be_get_ethtool_stats,
+};

drivers/net/benet/be_hw.h

+/*
+ * Copyright (C) 2005 - 2009 ServerEngines
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.  The full GNU General
+ * Public License is included in this distribution in the file called COPYING.
+ *
+ * Contact Information:
+ * linux-drivers@serverengines.com
+ *
+ * ServerEngines
+ * 209 N. Fair Oaks Ave
+ * Sunnyvale, CA 94085
+ */
+
+/********* Mailbox door bell *************/
+/* Used for driver communication with the FW.
+ * The software must write this register twice to post any command. First,
+ * it writes the register with hi=1 and the upper bits of the physical address
+ * for the MAILBOX structure. Software must poll the ready bit until this
+ * is acknowledged. Then, sotware writes the register with hi=0 with the lower
+ * bits in the address. It must poll the ready bit until the command is
+ * complete. Upon completion, the MAILBOX will contain a valid completion
+ * queue entry.
+ */
+#define MPU_MAILBOX_DB_OFFSET	0x160
+#define MPU_MAILBOX_DB_RDY_MASK	0x1 	/* bit 0 */
+#define MPU_MAILBOX_DB_HI_MASK	0x2	/* bit 1 */
+
+#define MPU_EP_CONTROL 		0
+
+/********** MPU semphore ******************/
+#define MPU_EP_SEMAPHORE_OFFSET 	0xac
+#define EP_SEMAPHORE_POST_STAGE_MASK	0x0000FFFF
+#define EP_SEMAPHORE_POST_ERR_MASK	0x1
+#define EP_SEMAPHORE_POST_ERR_SHIFT	31
+/* MPU semphore POST stage values */
+#define POST_STAGE_AWAITING_HOST_RDY 	0x1 /* FW awaiting goahead from host */
+#define POST_STAGE_HOST_RDY 		0x2 /* Host has given go-ahed to FW */
+#define POST_STAGE_BE_RESET		0x3 /* Host wants to reset chip */
+#define POST_STAGE_ARMFW_RDY		0xc000	/* FW is done with POST */
+
+/********* Memory BAR register ************/
+#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 	0xfc
+/* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
+ * Disable" may still globally block interrupts in addition to individual
+ * interrupt masks; a mechanism for the device driver to block all interrupts
+ * atomically without having to arbitrate for the PCI Interrupt Disable bit
+ * with the OS.
+ */
+#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK	(1 << 29) /* bit 29 */
+/* PCI physical function number */
+#define MEMBAR_CTRL_INT_CTRL_PFUNC_MASK  	0x7 	/* bits 26 - 28 */
+#define MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT	26
+
+/********* Event Q door bell *************/
+#define DB_EQ_OFFSET			DB_CQ_OFFSET
+#define DB_EQ_RING_ID_MASK		0x1FF	/* bits 0 - 8 */
+/* Clear the interrupt for this eq */
+#define DB_EQ_CLR_SHIFT			(9)	/* bit 9 */
+/* Must be 1 */
+#define DB_EQ_EVNT_SHIFT			(10)	/* bit 10 */
+/* Number of event entries processed */
+#define DB_EQ_NUM_POPPED_SHIFT		(16)	/* bits 16 - 28 */
+/* Rearm bit */
+#define DB_EQ_REARM_SHIFT		(29)	/* bit 29 */
+
+/********* Compl Q door bell *************/
+#define DB_CQ_OFFSET 			0x120
+#define DB_CQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
+/* Number of event entries processed */
+#define DB_CQ_NUM_POPPED_SHIFT		(16) 	/* bits 16 - 28 */
+/* Rearm bit */
+#define DB_CQ_REARM_SHIFT		(29) 	/* bit 29 */
+
+/********** TX ULP door bell *************/
+#define DB_TXULP1_OFFSET		0x60
+#define DB_TXULP_RING_ID_MASK		0x7FF	/* bits 0 - 10 */
+/* Number of tx entries posted */
+#define DB_TXULP_NUM_POSTED_SHIFT	(16)	/* bits 16 - 29 */
+#define DB_TXULP_NUM_POSTED_MASK	0x3FFF	/* bits 16 - 29 */
+
+/********** RQ(erx) door bell ************/
+#define DB_RQ_OFFSET 			0x100
+#define DB_RQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
+/* Number of rx frags posted */
+#define DB_RQ_NUM_POSTED_SHIFT		(24)	/* bits 24 - 31 */
+
+/*
+ * BE descriptors: host memory data structures whose formats
+ * are hardwired in BE silicon.
+ */
+/* Event Queue Descriptor */
+#define EQ_ENTRY_VALID_MASK 		0x1	/* bit 0 */
+#define EQ_ENTRY_RES_ID_MASK 		0xFFFF	/* bits 16 - 31 */
+#define EQ_ENTRY_RES_ID_SHIFT 		16
+struct be_eq_entry {
+	u32 evt;
+};
+
+/* TX Queue Descriptor */
+#define ETH_WRB_FRAG_LEN_MASK		0xFFFF
+struct be_eth_wrb {
+	u32 frag_pa_hi;		/* dword 0 */
+	u32 frag_pa_lo;		/* dword 1 */
+	u32 rsvd0;		/* dword 2 */
+	u32 frag_len;		/* dword 3: bits 0 - 15 */
+} __packed;
+
+/* Pseudo amap definition for eth_hdr_wrb in which each bit of the
+ * actual structure is defined as a byte : used to calculate
+ * offset/shift/mask of each field */
+struct amap_eth_hdr_wrb {
+	u8 rsvd0[32];		/* dword 0 */
+	u8 rsvd1[32];		/* dword 1 */
+	u8 complete;		/* dword 2 */
+	u8 event;
+	u8 crc;
+	u8 forward;
+	u8 ipsec;
+	u8 mgmt;
+	u8 ipcs;
+	u8 udpcs;
+	u8 tcpcs;
+	u8 lso;
+	u8 vlan;
+	u8 gso[2];
+	u8 num_wrb[5];
+	u8 lso_mss[14];
+	u8 len[16];		/* dword 3 */
+	u8 vlan_tag[16];
+} __packed;
+
+struct be_eth_hdr_wrb {
+	u32 dw[4];
+};
+
+/* TX Compl Queue Descriptor */
+
+/* Pseudo amap definition for eth_tx_compl in which each bit of the
+ * actual structure is defined as a byte: used to calculate
+ * offset/shift/mask of each field */
+struct amap_eth_tx_compl {
+	u8 wrb_index[16];	/* dword 0 */
+	u8 ct[2]; 		/* dword 0 */
+	u8 port[2];		/* dword 0 */
+	u8 rsvd0[8];		/* dword 0 */
+	u8 status[4];		/* dword 0 */
+	u8 user_bytes[16];	/* dword 1 */
+	u8 nwh_bytes[8];	/* dword 1 */
+	u8 lso;			/* dword 1 */
+	u8 cast_enc[2];		/* dword 1 */
+	u8 rsvd1[5];		/* dword 1 */
+	u8 rsvd2[32];		/* dword 2 */
+	u8 pkts[16];		/* dword 3 */
+	u8 ringid[11];		/* dword 3 */
+	u8 hash_val[4];		/* dword 3 */
+	u8 valid;		/* dword 3 */
+} __packed;
+
+struct be_eth_tx_compl {
+	u32 dw[4];
+};
+
+/* RX Queue Descriptor */
+struct be_eth_rx_d {
+	u32 fragpa_hi;
+	u32 fragpa_lo;
+};
+
+/* RX Compl Queue Descriptor */
+
+/* Pseudo amap definition for eth_rx_compl in which each bit of the
+ * actual structure is defined as a byte: used to calculate
+ * offset/shift/mask of each field */
+struct amap_eth_rx_compl {
+	u8 vlan_tag[16];	/* dword 0 */
+	u8 pktsize[14];		/* dword 0 */
+	u8 port;		/* dword 0 */
+	u8 ip_opt;		/* dword 0 */
+	u8 err;			/* dword 1 */
+	u8 rsshp;		/* dword 1 */
+	u8 ipf;			/* dword 1 */
+	u8 tcpf;		/* dword 1 */
+	u8 udpf;		/* dword 1 */
+	u8 ipcksm;		/* dword 1 */
+	u8 l4_cksm;		/* dword 1 */
+	u8 ip_version;		/* dword 1 */
+	u8 macdst[6];		/* dword 1 */
+	u8 vtp;			/* dword 1 */
+	u8 rsvd0;		/* dword 1 */
+	u8 fragndx[10];		/* dword 1 */
+	u8 ct[2];		/* dword 1 */
+	u8 sw;			/* dword 1 */
+	u8 numfrags[3];		/* dword 1 */
+	u8 rss_flush;		/* dword 2 */
+	u8 cast_enc[2];		/* dword 2 */
+	u8 qnq;			/* dword 2 */
+	u8 rss_bank;		/* dword 2 */
+	u8 rsvd1[23];		/* dword 2 */
+	u8 lro_pkt;		/* dword 2 */
+	u8 rsvd2[2];		/* dword 2 */
+	u8 valid;		/* dword 2 */
+	u8 rsshash[32];		/* dword 3 */
+} __packed;
+
+struct be_eth_rx_compl {
+	u32 dw[4];
+};

drivers/net/dnet.h

+/*
+ * Dave DNET Ethernet Controller driver
+ *
+ * Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _DNET_H
+#define _DNET_H
+
+#define DRV_NAME		"dnet"
+#define DRV_VERSION		"0.9.1"
+#define PFX				DRV_NAME ": "
+
+/* Register access macros */
+#define dnet_writel(port, value, reg)	\
+	writel((value), (port)->regs + DNET_##reg)
+#define dnet_readl(port, reg)	readl((port)->regs + DNET_##reg)
+
+/* ALL DNET FIFO REGISTERS */
+#define DNET_RX_LEN_FIFO		0x000	/* RX_LEN_FIFO */
+#define DNET_RX_DATA_FIFO		0x004	/* RX_DATA_FIFO */
+#define DNET_TX_LEN_FIFO		0x008	/* TX_LEN_FIFO */
+#define DNET_TX_DATA_FIFO		0x00C	/* TX_DATA_FIFO */
+
+/* ALL DNET CONTROL/STATUS REGISTERS OFFSETS */
+#define DNET_VERCAPS			0x100	/* VERCAPS */
+#define DNET_INTR_SRC			0x104	/* INTR_SRC */
+#define DNET_INTR_ENB			0x108	/* INTR_ENB */
+#define DNET_RX_STATUS			0x10C	/* RX_STATUS */
+#define DNET_TX_STATUS			0x110	/* TX_STATUS */
+#define DNET_RX_FRAMES_CNT		0x114	/* RX_FRAMES_CNT */
+#define DNET_TX_FRAMES_CNT		0x118	/* TX_FRAMES_CNT */
+#define DNET_RX_FIFO_TH			0x11C	/* RX_FIFO_TH */
+#define DNET_TX_FIFO_TH			0x120	/* TX_FIFO_TH */
+#define DNET_SYS_CTL			0x124	/* SYS_CTL */
+#define DNET_PAUSE_TMR			0x128	/* PAUSE_TMR */
+#define DNET_RX_FIFO_WCNT		0x12C	/* RX_FIFO_WCNT */
+#define DNET_TX_FIFO_WCNT		0x130	/* TX_FIFO_WCNT */
+
+/* ALL DNET MAC REGISTERS */
+#define DNET_MACREG_DATA		0x200	/* Mac-Reg Data */
+#define DNET_MACREG_ADDR		0x204	/* Mac-Reg Addr  */
+
+/* ALL DNET RX STATISTICS COUNTERS  */
+#define DNET_RX_PKT_IGNR_CNT		0x300
+#define DNET_RX_LEN_CHK_ERR_CNT		0x304
+#define DNET_RX_LNG_FRM_CNT		0x308
+#define DNET_RX_SHRT_FRM_CNT		0x30C
+#define DNET_RX_IPG_VIOL_CNT		0x310
+#define DNET_RX_CRC_ERR_CNT		0x314
+#define DNET_RX_OK_PKT_CNT		0x318
+#define DNET_RX_CTL_FRM_CNT		0x31C
+#define DNET_RX_PAUSE_FRM_CNT		0x320
+#define DNET_RX_MULTICAST_CNT		0x324
+#define DNET_RX_BROADCAST_CNT		0x328
+#define DNET_RX_VLAN_TAG_CNT		0x32C
+#define DNET_RX_PRE_SHRINK_CNT		0x330
+#define DNET_RX_DRIB_NIB_CNT		0x334
+#define DNET_RX_UNSUP_OPCD_CNT		0x338
+#define DNET_RX_BYTE_CNT		0x33C
+
+/* DNET TX STATISTICS COUNTERS */
+#define DNET_TX_UNICAST_CNT		0x400
+#define DNET_TX_PAUSE_FRM_CNT		0x404
+#define DNET_TX_MULTICAST_CNT		0x408
+#define DNET_TX_BRDCAST_CNT		0x40C
+#define DNET_TX_VLAN_TAG_CNT		0x410
+#define DNET_TX_BAD_FCS_CNT		0x414
+#define DNET_TX_JUMBO_CNT		0x418
+#define DNET_TX_BYTE_CNT		0x41C
+
+/* SOME INTERNAL MAC-CORE REGISTER */
+#define DNET_INTERNAL_MODE_REG		0x0
+#define DNET_INTERNAL_RXTX_CONTROL_REG	0x2
+#define DNET_INTERNAL_MAX_PKT_SIZE_REG	0x4
+#define DNET_INTERNAL_IGP_REG		0x8
+#define DNET_INTERNAL_MAC_ADDR_0_REG	0xa
+#define DNET_INTERNAL_MAC_ADDR_1_REG	0xc
+#define DNET_INTERNAL_MAC_ADDR_2_REG	0xe
+#define DNET_INTERNAL_TX_RX_STS_REG	0x12
+#define DNET_INTERNAL_GMII_MNG_CTL_REG	0x14
+#define DNET_INTERNAL_GMII_MNG_DAT_REG	0x16
+
+#define DNET_INTERNAL_GMII_MNG_CMD_FIN	(1 << 14)
+
+#define DNET_INTERNAL_WRITE		(1 << 31)
+
+/* MAC-CORE REGISTER FIELDS */
+
+/* MAC-CORE MODE REGISTER FIELDS */
+#define DNET_INTERNAL_MODE_GBITEN			(1 << 0)
+#define DNET_INTERNAL_MODE_FCEN				(1 << 1)
+#define DNET_INTERNAL_MODE_RXEN				(1 << 2)
+#define DNET_INTERNAL_MODE_TXEN				(1 << 3)
+
+/* MAC-CORE RXTX CONTROL REGISTER FIELDS */
+#define DNET_INTERNAL_RXTX_CONTROL_RXSHORTFRAME		(1 << 8)
+#define DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST		(1 << 7)
+#define DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST		(1 << 4)
+#define DNET_INTERNAL_RXTX_CONTROL_RXPAUSE		(1 << 3)
+#define DNET_INTERNAL_RXTX_CONTROL_DISTXFCS		(1 << 2)
+#define DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS		(1 << 1)
+#define DNET_INTERNAL_RXTX_CONTROL_ENPROMISC		(1 << 0)
+#define DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL		(1 << 6)
+#define DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP	(1 << 5)
+
+/* SYSTEM CONTROL REGISTER FIELDS */
+#define DNET_SYS_CTL_IGNORENEXTPKT			(1 << 0)
+#define DNET_SYS_CTL_SENDPAUSE				(1 << 2)
+#define DNET_SYS_CTL_RXFIFOFLUSH			(1 << 3)
+#define DNET_SYS_CTL_TXFIFOFLUSH			(1 << 4)
+
+/* TX STATUS REGISTER FIELDS */
+#define DNET_TX_STATUS_FIFO_ALMOST_EMPTY		(1 << 2)
+#define DNET_TX_STATUS_FIFO_ALMOST_FULL			(1 << 1)
+
+/* INTERRUPT SOURCE REGISTER FIELDS */
+#define DNET_INTR_SRC_TX_PKTSENT			(1 << 0)
+#define DNET_INTR_SRC_TX_FIFOAF				(1 << 1)
+#define DNET_INTR_SRC_TX_FIFOAE				(1 << 2)
+#define DNET_INTR_SRC_TX_DISCFRM			(1 << 3)
+#define DNET_INTR_SRC_TX_FIFOFULL			(1 << 4)
+#define DNET_INTR_SRC_RX_CMDFIFOAF			(1 << 8)
+#define DNET_INTR_SRC_RX_CMDFIFOFF			(1 << 9)
+#define DNET_INTR_SRC_RX_DATAFIFOFF			(1 << 10)
+#define DNET_INTR_SRC_TX_SUMMARY			(1 << 16)
+#define DNET_INTR_SRC_RX_SUMMARY			(1 << 17)
+#define DNET_INTR_SRC_PHY				(1 << 19)
+
+/* INTERRUPT ENABLE REGISTER FIELDS */
+#define DNET_INTR_ENB_TX_PKTSENT			(1 << 0)
+#define DNET_INTR_ENB_TX_FIFOAF				(1 << 1)
+#define DNET_INTR_ENB_TX_FIFOAE				(1 << 2)
+#define DNET_INTR_ENB_TX_DISCFRM			(1 << 3)
+#define DNET_INTR_ENB_TX_FIFOFULL			(1 << 4)
+#define DNET_INTR_ENB_RX_PKTRDY				(1 << 8)
+#define DNET_INTR_ENB_RX_FIFOAF				(1 << 9)
+#define DNET_INTR_ENB_RX_FIFOERR			(1 << 10)
+#define DNET_INTR_ENB_RX_ERROR				(1 << 11)
+#define DNET_INTR_ENB_RX_FIFOFULL			(1 << 12)
+#define DNET_INTR_ENB_RX_FIFOAE				(1 << 13)
+#define DNET_INTR_ENB_TX_SUMMARY			(1 << 16)
+#define DNET_INTR_ENB_RX_SUMMARY			(1 << 17)
+#define DNET_INTR_ENB_GLOBAL_ENABLE			(1 << 18)
+
+/* default values:
+ * almost empty = less than one full sized ethernet frame (no jumbo) inside
+ * the fifo almost full = can write less than one full sized ethernet frame
+ * (no jumbo) inside the fifo
+ */
+#define DNET_CFG_TX_FIFO_FULL_THRES	25
+#define DNET_CFG_RX_FIFO_FULL_THRES	20
+
+/*
+ * Capabilities. Used by the driver to know the capabilities that the ethernet
+ * controller inside the FPGA have.
+ */
+
+#define DNET_HAS_MDIO		(1 << 0)
+#define DNET_HAS_IRQ		(1 << 1)
+#define DNET_HAS_GIGABIT	(1 << 2)
+#define DNET_HAS_DMA		(1 << 3)
+
+#define DNET_HAS_MII		(1 << 4) /* or GMII */
+#define DNET_HAS_RMII		(1 << 5) /* or RGMII */
+
+#define DNET_CAPS_MASK		0xFFFF
+
+#define DNET_FIFO_SIZE		1024 /* 1K x 32 bit */
+#define DNET_FIFO_TX_DATA_AF_TH	(DNET_FIFO_SIZE - 384) /* 384 = 1536 / 4 */
+#define DNET_FIFO_TX_DATA_AE_TH	384
+
+#define DNET_FIFO_RX_CMD_AF_TH	(1 << 16) /* just one frame inside the FIFO */
+
+/*
+ * Hardware-collected statistics.
+ */
+struct dnet_stats {
+	u32 rx_pkt_ignr;
+	u32 rx_len_chk_err;
+	u32 rx_lng_frm;
+	u32 rx_shrt_frm;
+	u32 rx_ipg_viol;
+	u32 rx_crc_err;
+	u32 rx_ok_pkt;
+	u32 rx_ctl_frm;
+	u32 rx_pause_frm;
+	u32 rx_multicast;
+	u32 rx_broadcast;
+	u32 rx_vlan_tag;
+	u32 rx_pre_shrink;
+	u32 rx_drib_nib;
+	u32 rx_unsup_opcd;
+	u32 rx_byte;
+	u32 tx_unicast;
+	u32 tx_pause_frm;
+	u32 tx_multicast;
+	u32 tx_brdcast;
+	u32 tx_vlan_tag;
+	u32 tx_bad_fcs;
+	u32 tx_jumbo;
+	u32 tx_byte;
+};
+
+struct dnet {
+	void __iomem			*regs;
+	spinlock_t			lock;
+	struct platform_device		*pdev;
+	struct net_device		*dev;
+	struct dnet_stats		hw_stats;
+	unsigned int			capabilities; /* read from FPGA */
+	struct napi_struct		napi;
+
+	/* PHY stuff */
+	struct mii_bus			*mii_bus;
+	struct phy_device		*phy_dev;
+	unsigned int			link;
+	unsigned int			speed;
+	unsigned int			duplex;
+};
+
+#endif /* _DNET_H */

drivers/net/ibm_newemac/core.c

@@ -2594,6 +2594,9 @@ static int __devinit emac_init_config(struct emac_instance *dev)
 		if (of_device_is_compatible(np, "ibm,emac-460ex") ||
 		    of_device_is_compatible(np, "ibm,emac-460gt"))
 			dev->features |= EMAC_FTR_460EX_PHY_CLK_FIX;
+		if (of_device_is_compatible(np, "ibm,emac-405ex") ||
+		    of_device_is_compatible(np, "ibm,emac-405exr"))
+			dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
 	} else if (of_device_is_compatible(np, "ibm,emac4")) {
 		dev->features |= EMAC_FTR_EMAC4;
 		if (of_device_is_compatible(np, "ibm,emac-440gx"))

drivers/net/igb/igb_main.c

@@ -1128,11 +1128,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	struct net_device *netdev;
 	struct igb_adapter *adapter;
 	struct e1000_hw *hw;
-	struct pci_dev *us_dev;
 	const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
 	unsigned long mmio_start, mmio_len;
-	int err, pci_using_dac, pos;
-	u16 eeprom_data = 0, state = 0;
+	int err, pci_using_dac;
+	u16 eeprom_data = 0;
 	u16 eeprom_apme_mask = IGB_EEPROM_APME;
 	u32 part_num;
 
@@ -1158,27 +1157,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 		}
 	}
 
-	/* 82575 requires that the pci-e link partner disable the L0s state */
-	switch (pdev->device) {
-	case E1000_DEV_ID_82575EB_COPPER:
-	case E1000_DEV_ID_82575EB_FIBER_SERDES:
-	case E1000_DEV_ID_82575GB_QUAD_COPPER:
-		us_dev = pdev->bus->self;
-		pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
-		if (pos) {
-			pci_read_config_word(us_dev, pos + PCI_EXP_LNKCTL,
-			                     &state);
-			state &= ~PCIE_LINK_STATE_L0S;
-			pci_write_config_word(us_dev, pos + PCI_EXP_LNKCTL,
-			                      state);
-			dev_info(&pdev->dev,
-				 "Disabling ASPM L0s upstream switch port %s\n",
-				 pci_name(us_dev));
-		}
-	default:
-		break;
-	}
-
 	err = pci_request_selected_regions(pdev, pci_select_bars(pdev,
 	                                   IORESOURCE_MEM),
 	                                   igb_driver_name);

drivers/net/ixgbe/ixgbe_main.c

@@ -4402,6 +4402,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_stop		= ixgbe_close,
 	.ndo_start_xmit		= ixgbe_xmit_frame,
 	.ndo_get_stats		= ixgbe_get_stats,
+	.ndo_set_rx_mode        = ixgbe_set_rx_mode,
 	.ndo_set_multicast_list	= ixgbe_set_rx_mode,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_set_mac_address	= ixgbe_set_mac,

drivers/net/mv643xx_eth.c

@@ -2288,11 +2288,6 @@ static void port_start(struct mv643xx_eth_private *mp)
 		txq_set_fixed_prio_mode(txq);
 	}
 
-	/*
-	 * Add configured unicast address to address filter table.
-	 */
-	mv643xx_eth_program_unicast_filter(mp->dev);
-
 	/*
 	 * Receive all unmatched unicast, TCP, UDP, BPDU and broadcast
 	 * frames to RX queue #0, and include the pseudo-header when
@@ -2305,6 +2300,11 @@ static void port_start(struct mv643xx_eth_private *mp)
 	 */
 	wrlp(mp, PORT_CONFIG_EXT, 0x00000000);
 
+	/*
+	 * Add configured unicast addresses to address filter table.
+	 */
+	mv643xx_eth_program_unicast_filter(mp->dev);
+
 	/*
 	 * Enable the receive queues.
 	 */

drivers/net/netxen/netxen_nic.h

@@ -1590,7 +1590,6 @@ dma_watchdog_wakeup(struct netxen_adapter *adapter)
 }
 
 
-int netxen_is_flash_supported(struct netxen_adapter *adapter);
 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
 extern void netxen_change_ringparam(struct netxen_adapter *adapter);

drivers/net/netxen/netxen_nic_hw.c

@@ -750,28 +750,6 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
 	return rc;
 }
 
-int netxen_is_flash_supported(struct netxen_adapter *adapter)
-{
-	const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 };
-	int addr, val01, val02, i, j;
-
-	/* if the flash size less than 4Mb, make huge war cry and die */
-	for (j = 1; j < 4; j++) {
-		addr = j * NETXEN_NIC_WINDOW_MARGIN;
-		for (i = 0; i < ARRAY_SIZE(locs); i++) {
-			if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0
-			    && netxen_rom_fast_read(adapter, (addr + locs[i]),
-						    &val02) == 0) {
-				if (val01 == val02)
-					return -1;
-			} else
-				return -1;
-		}
-	}
-
-	return 0;
-}
-
 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
 				  int size, __le32 * buf)
 {

drivers/net/netxen/netxen_nic_main.c

@@ -406,9 +406,6 @@ netxen_read_mac_addr(struct netxen_adapter *adapter)
 	struct net_device *netdev = adapter->netdev;
 	struct pci_dev *pdev = adapter->pdev;
 
-	if (netxen_is_flash_supported(adapter) != 0)
-		return -EIO;
-
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
 		if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
 			return -EIO;

drivers/net/qlge/qlge_main.c

@@ -1533,7 +1533,6 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
 		QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n");
 	}
 
-
 	skb->protocol = eth_type_trans(skb, ndev);
 	skb->ip_summed = CHECKSUM_NONE;
 
@@ -3248,6 +3247,7 @@ static int ql_adapter_down(struct ql_adapter *qdev)
 		netif_napi_del(&qdev->rx_ring[i].napi);
 
 	ql_free_rx_buffers(qdev);
+
 	spin_lock(&qdev->hw_lock);
 	status = ql_adapter_reset(qdev);
 	if (status)

drivers/net/r8169.c

@@ -81,9 +81,9 @@ static const int multicast_filter_limit = 32;
 #define RTL8169_TX_TIMEOUT	(6*HZ)
 #define RTL8169_PHY_TIMEOUT	(10*HZ)
 
-#define RTL_EEPROM_SIG		0x8129
+#define RTL_EEPROM_SIG		cpu_to_le32(0x8129)
+#define RTL_EEPROM_SIG_MASK	cpu_to_le32(0xffff)
 #define RTL_EEPROM_SIG_ADDR	0x0000
-#define RTL_EEPROM_MAC_ADDR	0x0007
 
 /* write/read MMIO register */
 #define RTL_W8(reg, val8)	writeb ((val8), ioaddr + (reg))
@@ -293,11 +293,6 @@ enum rtl_register_content {
 	/* Cfg9346Bits */
 	Cfg9346_Lock	= 0x00,
 	Cfg9346_Unlock	= 0xc0,
-	Cfg9346_Program	= 0x80,		/* Programming mode */
-	Cfg9346_EECS	= 0x08,		/* Chip select */
-	Cfg9346_EESK	= 0x04,		/* Serial data clock */
-	Cfg9346_EEDI	= 0x02,		/* Data input */
-	Cfg9346_EEDO	= 0x01,		/* Data output */
 
 	/* rx_mode_bits */
 	AcceptErr	= 0x20,
@@ -310,7 +305,6 @@ enum rtl_register_content {
 	/* RxConfigBits */
 	RxCfgFIFOShift	= 13,
 	RxCfgDMAShift	=  8,
-	RxCfg9356SEL	=  6, 		/* EEPROM type: 0 = 9346, 1 = 9356 */
 
 	/* TxConfigBits */
 	TxInterFrameGapShift = 24,
@@ -1969,108 +1963,6 @@ static const struct net_device_ops rtl8169_netdev_ops = {
 
 };
 
-/* Delay between EEPROM clock transitions. Force out buffered PCI writes. */
-#define RTL_EEPROM_DELAY()	RTL_R8(Cfg9346)
-#define RTL_EEPROM_READ_CMD	6
-
-/* read 16bit word stored in EEPROM. EEPROM is addressed by words. */
-static u16 rtl_eeprom_read(void __iomem *ioaddr, int addr)
-{
-	u16 result = 0;
-	int cmd, cmd_len, i;
-
-	/* check for EEPROM address size (in bits) */
-	if (RTL_R32(RxConfig) & (1 << RxCfg9356SEL)) {
-		/* EEPROM is 93C56 */
-		cmd_len = 3 + 8; /* 3 bits for command id and 8 for address */
-		cmd = (RTL_EEPROM_READ_CMD << 8) | (addr & 0xff);
-	} else {
-		/* EEPROM is 93C46 */
-		cmd_len = 3 + 6; /* 3 bits for command id and 6 for address */
-		cmd = (RTL_EEPROM_READ_CMD << 6) | (addr & 0x3f);
-	}
-
-	/* enter programming mode */
-	RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
-	RTL_EEPROM_DELAY();
-
-	/* write command and requested address */
-	while (cmd_len--) {
-		u8 x = Cfg9346_Program | Cfg9346_EECS;
-
-		x |= (cmd & (1 << cmd_len)) ? Cfg9346_EEDI : 0;
-
-		/* write a bit */
-		RTL_W8(Cfg9346, x);
-		RTL_EEPROM_DELAY();
-
-		/* raise clock */
-		RTL_W8(Cfg9346, x | Cfg9346_EESK);
-		RTL_EEPROM_DELAY();
-	}
-
-	/* lower clock */
-	RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
-	RTL_EEPROM_DELAY();
-
-	/* read back 16bit value */
-	for (i = 16; i > 0; i--) {
-		/* raise clock */
-		RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS | Cfg9346_EESK);
-		RTL_EEPROM_DELAY();
-
-		result <<= 1;
-		result |= (RTL_R8(Cfg9346) & Cfg9346_EEDO) ? 1 : 0;
-
-		/* lower clock */
-		RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
-		RTL_EEPROM_DELAY();
-	}
-
-	RTL_W8(Cfg9346, Cfg9346_Program);
-	/* leave programming mode */
-	RTL_W8(Cfg9346, Cfg9346_Lock);
-
-	return result;
-}
-
-static void rtl_init_mac_address(struct rtl8169_private *tp,
-				 void __iomem *ioaddr)
-{
-	struct pci_dev *pdev = tp->pci_dev;
-	u16 x;
-	u8 mac[8];
-
-	/* read EEPROM signature */
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_SIG_ADDR);
-
-	if (x != RTL_EEPROM_SIG) {
-		dev_info(&pdev->dev, "Missing EEPROM signature: %04x\n", x);
-		return;
-	}
-
-	/* read MAC address */
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR);
-	mac[0] = x & 0xff;
-	mac[1] = x >> 8;
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 1);
-	mac[2] = x & 0xff;
-	mac[3] = x >> 8;
-	x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 2);
-	mac[4] = x & 0xff;
-	mac[5] = x >> 8;
-
-	if (netif_msg_probe(tp)) {
-		DECLARE_MAC_BUF(buf);
-
-		dev_info(&pdev->dev, "MAC address found in EEPROM: %s\n",
-			 print_mac(buf, mac));
-	}
-
-	if (is_valid_ether_addr(mac))
-		rtl_rar_set(tp, mac);
-}
-
 static int __devinit
 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -2249,8 +2141,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	tp->mmio_addr = ioaddr;
 
-	rtl_init_mac_address(tp, ioaddr);
-
 	/* Get MAC address */
 	for (i = 0; i < MAC_ADDR_LEN; i++)
 		dev->dev_addr[i] = RTL_R8(MAC0 + i);
@@ -3363,13 +3253,6 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		opts1 |= FirstFrag;
 	} else {
 		len = skb->len;
-
-		if (unlikely(len < ETH_ZLEN)) {
-			if (skb_padto(skb, ETH_ZLEN))
-				goto err_update_stats;
-			len = ETH_ZLEN;
-		}
-
 		opts1 |= FirstFrag | LastFrag;
 		tp->tx_skb[entry].skb = skb;
 	}
@@ -3407,7 +3290,6 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
 err_stop:
 	netif_stop_queue(dev);
 	ret = NETDEV_TX_BUSY;
-err_update_stats:
 	dev->stats.tx_dropped++;
 	goto out;
 }

drivers/net/via-velocity.c

@@ -1838,17 +1838,19 @@ static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_
 {
 	struct sk_buff *skb = tdinfo->skb;
 	int i;
+	int pktlen;
 
 	/*
 	 *	Don't unmap the pre-allocated tx_bufs
 	 */
 	if (tdinfo->skb_dma) {
 
+		pktlen = (skb->len > ETH_ZLEN ? : ETH_ZLEN);
 		for (i = 0; i < tdinfo->nskb_dma; i++) {
 #ifdef VELOCITY_ZERO_COPY_SUPPORT
 			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], le16_to_cpu(td->tdesc1.len), PCI_DMA_TODEVICE);
 #else
-			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], skb->len, PCI_DMA_TODEVICE);
+			pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], pktlen, PCI_DMA_TODEVICE);
 #endif
 			tdinfo->skb_dma[i] = 0;
 		}
@@ -2080,17 +2082,14 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct tx_desc *td_ptr;
 	struct velocity_td_info *tdinfo;
 	unsigned long flags;
-	int pktlen = skb->len;
+	int pktlen;
 	__le16 len;
 	int index;
 
 
-
-	if (skb->len < ETH_ZLEN) {
-		if (skb_padto(skb, ETH_ZLEN))
-			goto out;
-		pktlen = ETH_ZLEN;
-	}
+	if (skb_padto(skb, ETH_ZLEN))
+		goto out;
+	pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
 
 	len = cpu_to_le16(pktlen);
 

drivers/net/wireless/ath9k/hw.h

@@ -42,8 +42,8 @@
 #define AR5416_MAGIC		0x19641014
 
 /* Register read/write primitives */
-#define REG_WRITE(_ah, _reg, _val) iowrite32(_val, _ah->ah_sc->mem + _reg)
-#define REG_READ(_ah, _reg) ioread32(_ah->ah_sc->mem + _reg)
+#define REG_WRITE(_ah, _reg, _val) ath9k_iowrite32((_ah), (_reg), (_val))
+#define REG_READ(_ah, _reg) ath9k_ioread32((_ah), (_reg))
 
 #define SM(_v, _f)  (((_v) << _f##_S) & _f)
 #define MS(_v, _f)  (((_v) & _f) >> _f##_S)