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linux-stable/drivers/net/ethernet/alteon/acenic.h
Greg Kroah-Hartman b24413180f License cleanup: add SPDX GPL-2.0 license identifier to files with no license 
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.

By default all files without license information are under the default
license of the kernel, which is GPL version 2.

Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier.  The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.

How this work was done:

Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
 - file had no licensing information it it.
 - file was a */uapi/* one with no licensing information in it,
 - file was a */uapi/* one with existing licensing information,

Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.

The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne.  Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.

The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed.  Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.

Criteria used to select files for SPDX license identifier tagging was:
 - Files considered eligible had to be source code files.
 - Make and config files were included as candidates if they contained >5
   lines of source
 - File already had some variant of a license header in it (even if <5
   lines).

All documentation files were explicitly excluded.

The following heuristics were used to determine which SPDX license
identifiers to apply.

 - when both scanners couldn't find any license traces, file was
   considered to have no license information in it, and the top level
   COPYING file license applied.

   For non */uapi/* files that summary was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0                                              11139

   and resulted in the first patch in this series.

   If that file was a */uapi/* path one, it was "GPL-2.0 WITH
   Linux-syscall-note" otherwise it was "GPL-2.0".  Results of that was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0 WITH Linux-syscall-note                        930

   and resulted in the second patch in this series.

 - if a file had some form of licensing information in it, and was one
   of the */uapi/* ones, it was denoted with the Linux-syscall-note if
   any GPL family license was found in the file or had no licensing in
   it (per prior point).  Results summary:

   SPDX license identifier                            # files
   ---------------------------------------------------|------
   GPL-2.0 WITH Linux-syscall-note                       270
   GPL-2.0+ WITH Linux-syscall-note                      169
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause)    21
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)    17
   LGPL-2.1+ WITH Linux-syscall-note                      15
   GPL-1.0+ WITH Linux-syscall-note                       14
   ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause)    5
   LGPL-2.0+ WITH Linux-syscall-note                       4
   LGPL-2.1 WITH Linux-syscall-note                        3
   ((GPL-2.0 WITH Linux-syscall-note) OR MIT)              3
   ((GPL-2.0 WITH Linux-syscall-note) AND MIT)             1

   and that resulted in the third patch in this series.

 - when the two scanners agreed on the detected license(s), that became
   the concluded license(s).

 - when there was disagreement between the two scanners (one detected a
   license but the other didn't, or they both detected different
   licenses) a manual inspection of the file occurred.

 - In most cases a manual inspection of the information in the file
   resulted in a clear resolution of the license that should apply (and
   which scanner probably needed to revisit its heuristics).

 - When it was not immediately clear, the license identifier was
   confirmed with lawyers working with the Linux Foundation.

 - If there was any question as to the appropriate license identifier,
   the file was flagged for further research and to be revisited later
   in time.

In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.

Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.  The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.

Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.

In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.

Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
 - a full scancode scan run, collecting the matched texts, detected
   license ids and scores
 - reviewing anything where there was a license detected (about 500+
   files) to ensure that the applied SPDX license was correct
 - reviewing anything where there was no detection but the patch license
   was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
   SPDX license was correct

This produced a worksheet with 20 files needing minor correction.  This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.

These .csv files were then reviewed by Greg.  Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected.  This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.)  Finally Greg ran the script using the .csv files to
generate the patches.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02 11:10:55 +01:00

791 lines
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ACENIC_H_
#define _ACENIC_H_
#include <linux/interrupt.h>
/*
* Generate TX index update each time, when TX ring is closed.
* Normally, this is not useful, because results in more dma (and irqs
* without TX_COAL_INTS_ONLY).
*/
#define USE_TX_COAL_NOW 0
/*
* Addressing:
*
* The Tigon uses 64-bit host addresses, regardless of their actual
* length, and it expects a big-endian format. For 32 bit systems the
* upper 32 bits of the address are simply ignored (zero), however for
* little endian 64 bit systems (Alpha) this looks strange with the
* two parts of the address word being swapped.
*
* The addresses are split in two 32 bit words for all architectures
* as some of them are in PCI shared memory and it is necessary to use
* readl/writel to access them.
*
* The addressing code is derived from Pete Wyckoff's work, but
* modified to deal properly with readl/writel usage.
*/
struct ace_regs {
u32 pad0[16]; /* PCI control registers */
u32 HostCtrl; /* 0x40 */
u32 LocalCtrl;
u32 pad1[2];
u32 MiscCfg; /* 0x50 */
u32 pad2[2];
u32 PciState;
u32 pad3[2]; /* 0x60 */
u32 WinBase;
u32 WinData;
u32 pad4[12]; /* 0x70 */
u32 DmaWriteState; /* 0xa0 */
u32 pad5[3];
u32 DmaReadState; /* 0xb0 */
u32 pad6[26];
u32 AssistState;
u32 pad7[8]; /* 0x120 */
u32 CpuCtrl; /* 0x140 */
u32 Pc;
u32 pad8[3];
u32 SramAddr; /* 0x154 */
u32 SramData;
u32 pad9[49];
u32 MacRxState; /* 0x220 */
u32 pad10[7];
u32 CpuBCtrl; /* 0x240 */
u32 PcB;
u32 pad11[3];
u32 SramBAddr; /* 0x254 */
u32 SramBData;
u32 pad12[105];
u32 pad13[32]; /* 0x400 */
u32 Stats[32];
u32 Mb0Hi; /* 0x500 */
u32 Mb0Lo;
u32 Mb1Hi;
u32 CmdPrd;
u32 Mb2Hi;
u32 TxPrd;
u32 Mb3Hi;
u32 RxStdPrd;
u32 Mb4Hi;
u32 RxJumboPrd;
u32 Mb5Hi;
u32 RxMiniPrd;
u32 Mb6Hi;
u32 Mb6Lo;
u32 Mb7Hi;
u32 Mb7Lo;
u32 Mb8Hi;
u32 Mb8Lo;
u32 Mb9Hi;
u32 Mb9Lo;
u32 MbAHi;
u32 MbALo;
u32 MbBHi;
u32 MbBLo;
u32 MbCHi;
u32 MbCLo;
u32 MbDHi;
u32 MbDLo;
u32 MbEHi;
u32 MbELo;
u32 MbFHi;
u32 MbFLo;
u32 pad14[32];
u32 MacAddrHi; /* 0x600 */
u32 MacAddrLo;
u32 InfoPtrHi;
u32 InfoPtrLo;
u32 MultiCastHi; /* 0x610 */
u32 MultiCastLo;
u32 ModeStat;
u32 DmaReadCfg;
u32 DmaWriteCfg; /* 0x620 */
u32 TxBufRat;
u32 EvtCsm;
u32 CmdCsm;
u32 TuneRxCoalTicks;/* 0x630 */
u32 TuneTxCoalTicks;
u32 TuneStatTicks;
u32 TuneMaxTxDesc;
u32 TuneMaxRxDesc; /* 0x640 */
u32 TuneTrace;
u32 TuneLink;
u32 TuneFastLink;
u32 TracePtr; /* 0x650 */
u32 TraceStrt;
u32 TraceLen;
u32 IfIdx;
u32 IfMtu; /* 0x660 */
u32 MaskInt;
u32 GigLnkState;
u32 FastLnkState;
u32 pad16[4]; /* 0x670 */
u32 RxRetCsm; /* 0x680 */
u32 pad17[31];
u32 CmdRng[64]; /* 0x700 */
u32 Window[0x200];
};
typedef struct {
u32 addrhi;
u32 addrlo;
} aceaddr;
#define ACE_WINDOW_SIZE 0x800
#define ACE_JUMBO_MTU 9000
#define ACE_STD_MTU 1500
#define ACE_TRACE_SIZE 0x8000
/*
* Host control register bits.
*/
#define IN_INT 0x01
#define CLR_INT 0x02
#define HW_RESET 0x08
#define BYTE_SWAP 0x10
#define WORD_SWAP 0x20
#define MASK_INTS 0x40
/*
* Local control register bits.
*/
#define EEPROM_DATA_IN 0x800000
#define EEPROM_DATA_OUT 0x400000
#define EEPROM_WRITE_ENABLE 0x200000
#define EEPROM_CLK_OUT 0x100000
#define EEPROM_BASE 0xa0000000
#define EEPROM_WRITE_SELECT 0xa0
#define EEPROM_READ_SELECT 0xa1
#define SRAM_BANK_512K 0x200
/*
* udelay() values for when clocking the eeprom
*/
#define ACE_SHORT_DELAY 2
#define ACE_LONG_DELAY 4
/*
* Misc Config bits
*/
#define SYNC_SRAM_TIMING 0x100000
/*
* CPU state bits.
*/
#define CPU_RESET 0x01
#define CPU_TRACE 0x02
#define CPU_PROM_FAILED 0x10
#define CPU_HALT 0x00010000
#define CPU_HALTED 0xffff0000
/*
* PCI State bits.
*/
#define DMA_READ_MAX_4 0x04
#define DMA_READ_MAX_16 0x08
#define DMA_READ_MAX_32 0x0c
#define DMA_READ_MAX_64 0x10
#define DMA_READ_MAX_128 0x14
#define DMA_READ_MAX_256 0x18
#define DMA_READ_MAX_1K 0x1c
#define DMA_WRITE_MAX_4 0x20
#define DMA_WRITE_MAX_16 0x40
#define DMA_WRITE_MAX_32 0x60
#define DMA_WRITE_MAX_64 0x80
#define DMA_WRITE_MAX_128 0xa0
#define DMA_WRITE_MAX_256 0xc0
#define DMA_WRITE_MAX_1K 0xe0
#define DMA_READ_WRITE_MASK 0xfc
#define MEM_READ_MULTIPLE 0x00020000
#define PCI_66MHZ 0x00080000
#define PCI_32BIT 0x00100000
#define DMA_WRITE_ALL_ALIGN 0x00800000
#define READ_CMD_MEM 0x06000000
#define WRITE_CMD_MEM 0x70000000
/*
* Mode status
*/
#define ACE_BYTE_SWAP_BD 0x02
#define ACE_WORD_SWAP_BD 0x04 /* not actually used */
#define ACE_WARN 0x08
#define ACE_BYTE_SWAP_DMA 0x10
#define ACE_NO_JUMBO_FRAG 0x200
#define ACE_FATAL 0x40000000
/*
* DMA config
*/
#define DMA_THRESH_1W 0x10
#define DMA_THRESH_2W 0x20
#define DMA_THRESH_4W 0x40
#define DMA_THRESH_8W 0x80
#define DMA_THRESH_16W 0x100
#define DMA_THRESH_32W 0x0 /* not described in doc, but exists. */
/*
* Tuning parameters
*/
#define TICKS_PER_SEC 1000000
/*
* Link bits
*/
#define LNK_PREF 0x00008000
#define LNK_10MB 0x00010000
#define LNK_100MB 0x00020000
#define LNK_1000MB 0x00040000
#define LNK_FULL_DUPLEX 0x00080000
#define LNK_HALF_DUPLEX 0x00100000
#define LNK_TX_FLOW_CTL_Y 0x00200000
#define LNK_NEG_ADVANCED 0x00400000
#define LNK_RX_FLOW_CTL_Y 0x00800000
#define LNK_NIC 0x01000000
#define LNK_JAM 0x02000000
#define LNK_JUMBO 0x04000000
#define LNK_ALTEON 0x08000000
#define LNK_NEG_FCTL 0x10000000
#define LNK_NEGOTIATE 0x20000000
#define LNK_ENABLE 0x40000000
#define LNK_UP 0x80000000
/*
* Event definitions
*/
#define EVT_RING_ENTRIES 256
#define EVT_RING_SIZE (EVT_RING_ENTRIES * sizeof(struct event))
struct event {
#ifdef __LITTLE_ENDIAN_BITFIELD
u32 idx:12;
u32 code:12;
u32 evt:8;
#else
u32 evt:8;
u32 code:12;
u32 idx:12;
#endif
u32 pad;
};
/*
* Events
*/
#define E_FW_RUNNING 0x01
#define E_STATS_UPDATED 0x04
#define E_STATS_UPDATE 0x04
#define E_LNK_STATE 0x06
#define E_C_LINK_UP 0x01
#define E_C_LINK_DOWN 0x02
#define E_C_LINK_10_100 0x03
#define E_ERROR 0x07
#define E_C_ERR_INVAL_CMD 0x01
#define E_C_ERR_UNIMP_CMD 0x02
#define E_C_ERR_BAD_CFG 0x03
#define E_MCAST_LIST 0x08
#define E_C_MCAST_ADDR_ADD 0x01
#define E_C_MCAST_ADDR_DEL 0x02
#define E_RESET_JUMBO_RNG 0x09
/*
* Commands
*/
#define CMD_RING_ENTRIES 64
struct cmd {
#ifdef __LITTLE_ENDIAN_BITFIELD
u32 idx:12;
u32 code:12;
u32 evt:8;
#else
u32 evt:8;
u32 code:12;
u32 idx:12;
#endif
};
#define C_HOST_STATE 0x01
#define C_C_STACK_UP 0x01
#define C_C_STACK_DOWN 0x02
#define C_FDR_FILTERING 0x02
#define C_C_FDR_FILT_ENABLE 0x01
#define C_C_FDR_FILT_DISABLE 0x02
#define C_SET_RX_PRD_IDX 0x03
#define C_UPDATE_STATS 0x04
#define C_RESET_JUMBO_RNG 0x05
#define C_ADD_MULTICAST_ADDR 0x08
#define C_DEL_MULTICAST_ADDR 0x09
#define C_SET_PROMISC_MODE 0x0a
#define C_C_PROMISC_ENABLE 0x01
#define C_C_PROMISC_DISABLE 0x02
#define C_LNK_NEGOTIATION 0x0b
#define C_C_NEGOTIATE_BOTH 0x00
#define C_C_NEGOTIATE_GIG 0x01
#define C_C_NEGOTIATE_10_100 0x02
#define C_SET_MAC_ADDR 0x0c
#define C_CLEAR_PROFILE 0x0d
#define C_SET_MULTICAST_MODE 0x0e
#define C_C_MCAST_ENABLE 0x01
#define C_C_MCAST_DISABLE 0x02
#define C_CLEAR_STATS 0x0f
#define C_SET_RX_JUMBO_PRD_IDX 0x10
#define C_REFRESH_STATS 0x11
/*
* Descriptor flags
*/
#define BD_FLG_TCP_UDP_SUM 0x01
#define BD_FLG_IP_SUM 0x02
#define BD_FLG_END 0x04
#define BD_FLG_MORE 0x08
#define BD_FLG_JUMBO 0x10
#define BD_FLG_UCAST 0x20
#define BD_FLG_MCAST 0x40
#define BD_FLG_BCAST 0x60
#define BD_FLG_TYP_MASK 0x60
#define BD_FLG_IP_FRAG 0x80
#define BD_FLG_IP_FRAG_END 0x100
#define BD_FLG_VLAN_TAG 0x200
#define BD_FLG_FRAME_ERROR 0x400
#define BD_FLG_COAL_NOW 0x800
#define BD_FLG_MINI 0x1000
/*
* Ring Control block flags
*/
#define RCB_FLG_TCP_UDP_SUM 0x01
#define RCB_FLG_IP_SUM 0x02
#define RCB_FLG_NO_PSEUDO_HDR 0x08
#define RCB_FLG_VLAN_ASSIST 0x10
#define RCB_FLG_COAL_INT_ONLY 0x20
#define RCB_FLG_TX_HOST_RING 0x40
#define RCB_FLG_IEEE_SNAP_SUM 0x80
#define RCB_FLG_EXT_RX_BD 0x100
#define RCB_FLG_RNG_DISABLE 0x200
/*
* TX ring - maximum TX ring entries for Tigon I's is 128
*/
#define MAX_TX_RING_ENTRIES 256
#define TIGON_I_TX_RING_ENTRIES 128
#define TX_RING_SIZE (MAX_TX_RING_ENTRIES * sizeof(struct tx_desc))
#define TX_RING_BASE 0x3800
struct tx_desc{
aceaddr addr;
u32 flagsize;
#if 0
/*
* This is in PCI shared mem and must be accessed with readl/writel
* real layout is:
*/
#if __LITTLE_ENDIAN
u16 flags;
u16 size;
u16 vlan;
u16 reserved;
#else
u16 size;
u16 flags;
u16 reserved;
u16 vlan;
#endif
#endif
u32 vlanres;
};
#define RX_STD_RING_ENTRIES 512
#define RX_STD_RING_SIZE (RX_STD_RING_ENTRIES * sizeof(struct rx_desc))
#define RX_JUMBO_RING_ENTRIES 256
#define RX_JUMBO_RING_SIZE (RX_JUMBO_RING_ENTRIES *sizeof(struct rx_desc))
#define RX_MINI_RING_ENTRIES 1024
#define RX_MINI_RING_SIZE (RX_MINI_RING_ENTRIES *sizeof(struct rx_desc))
#define RX_RETURN_RING_ENTRIES 2048
#define RX_RETURN_RING_SIZE (RX_MAX_RETURN_RING_ENTRIES * \
sizeof(struct rx_desc))
struct rx_desc{
aceaddr addr;
#ifdef __LITTLE_ENDIAN
u16 size;
u16 idx;
#else
u16 idx;
u16 size;
#endif
#ifdef __LITTLE_ENDIAN
u16 flags;
u16 type;
#else
u16 type;
u16 flags;
#endif
#ifdef __LITTLE_ENDIAN
u16 tcp_udp_csum;
u16 ip_csum;
#else
u16 ip_csum;
u16 tcp_udp_csum;
#endif
#ifdef __LITTLE_ENDIAN
u16 vlan;
u16 err_flags;
#else
u16 err_flags;
u16 vlan;
#endif
u32 reserved;
u32 opague;
};
/*
* This struct is shared with the NIC firmware.
*/
struct ring_ctrl {
aceaddr rngptr;
#ifdef __LITTLE_ENDIAN
u16 flags;
u16 max_len;
#else
u16 max_len;
u16 flags;
#endif
u32 pad;
};
struct ace_mac_stats {
u32 excess_colls;
u32 coll_1;
u32 coll_2;
u32 coll_3;
u32 coll_4;
u32 coll_5;
u32 coll_6;
u32 coll_7;
u32 coll_8;
u32 coll_9;
u32 coll_10;
u32 coll_11;
u32 coll_12;
u32 coll_13;
u32 coll_14;
u32 coll_15;
u32 late_coll;
u32 defers;
u32 crc_err;
u32 underrun;
u32 crs_err;
u32 pad[3];
u32 drop_ula;
u32 drop_mc;
u32 drop_fc;
u32 drop_space;
u32 coll;
u32 kept_bc;
u32 kept_mc;
u32 kept_uc;
};
struct ace_info {
union {
u32 stats[256];
} s;
struct ring_ctrl evt_ctrl;
struct ring_ctrl cmd_ctrl;
struct ring_ctrl tx_ctrl;
struct ring_ctrl rx_std_ctrl;
struct ring_ctrl rx_jumbo_ctrl;
struct ring_ctrl rx_mini_ctrl;
struct ring_ctrl rx_return_ctrl;
aceaddr evt_prd_ptr;
aceaddr rx_ret_prd_ptr;
aceaddr tx_csm_ptr;
aceaddr stats2_ptr;
};
struct ring_info {
struct sk_buff *skb;
DEFINE_DMA_UNMAP_ADDR(mapping);
};
/*
* Funny... As soon as we add maplen on alpha, it starts to work
* much slower. Hmm... is it because struct does not fit to one cacheline?
* So, split tx_ring_info.
*/
struct tx_ring_info {
struct sk_buff *skb;
DEFINE_DMA_UNMAP_ADDR(mapping);
DEFINE_DMA_UNMAP_LEN(maplen);
};
/*
* struct ace_skb holding the rings of skb's. This is an awful lot of
* pointers, but I don't see any other smart mode to do this in an
* efficient manner ;-(
*/
struct ace_skb
{
struct tx_ring_info tx_skbuff[MAX_TX_RING_ENTRIES];
struct ring_info rx_std_skbuff[RX_STD_RING_ENTRIES];
struct ring_info rx_mini_skbuff[RX_MINI_RING_ENTRIES];
struct ring_info rx_jumbo_skbuff[RX_JUMBO_RING_ENTRIES];
};
/*
* Struct private for the AceNIC.
*
* Elements are grouped so variables used by the tx handling goes
* together, and will go into the same cache lines etc. in order to
* avoid cache line contention between the rx and tx handling on SMP.
*
* Frequently accessed variables are put at the beginning of the
* struct to help the compiler generate better/shorter code.
*/
struct ace_private
{
struct ace_info *info;
struct ace_regs __iomem *regs; /* register base */
struct ace_skb *skb;
dma_addr_t info_dma; /* 32/64 bit */
int version, link;
int promisc, mcast_all;
/*
* TX elements
*/
struct tx_desc *tx_ring;
u32 tx_prd;
volatile u32 tx_ret_csm;
int tx_ring_entries;
/*
* RX elements
*/
unsigned long std_refill_busy
__attribute__ ((aligned (SMP_CACHE_BYTES)));
unsigned long mini_refill_busy, jumbo_refill_busy;
atomic_t cur_rx_bufs;
atomic_t cur_mini_bufs;
atomic_t cur_jumbo_bufs;
u32 rx_std_skbprd, rx_mini_skbprd, rx_jumbo_skbprd;
u32 cur_rx;
struct rx_desc *rx_std_ring;
struct rx_desc *rx_jumbo_ring;
struct rx_desc *rx_mini_ring;
struct rx_desc *rx_return_ring;
int tasklet_pending, jumbo;
struct tasklet_struct ace_tasklet;
struct event *evt_ring;
volatile u32 *evt_prd, *rx_ret_prd, *tx_csm;
dma_addr_t tx_ring_dma; /* 32/64 bit */
dma_addr_t rx_ring_base_dma;
dma_addr_t evt_ring_dma;
dma_addr_t evt_prd_dma, rx_ret_prd_dma, tx_csm_dma;
unsigned char *trace_buf;
struct pci_dev *pdev;
struct net_device *next;
volatile int fw_running;
int board_idx;
u16 pci_command;
u8 pci_latency;
const char *name;
#ifdef INDEX_DEBUG
spinlock_t debug_lock
__attribute__ ((aligned (SMP_CACHE_BYTES)));
u32 last_tx, last_std_rx, last_mini_rx;
#endif
int pci_using_dac;
u8 firmware_major;
u8 firmware_minor;
u8 firmware_fix;
u32 firmware_start;
};
#define TX_RESERVED MAX_SKB_FRAGS
static inline int tx_space (struct ace_private *ap, u32 csm, u32 prd)
{
return (csm - prd - 1) & (ACE_TX_RING_ENTRIES(ap) - 1);
}
#define tx_free(ap) tx_space((ap)->tx_ret_csm, (ap)->tx_prd, ap)
#define tx_ring_full(ap, csm, prd) (tx_space(ap, csm, prd) <= TX_RESERVED)
static inline void set_aceaddr(aceaddr *aa, dma_addr_t addr)
{
u64 baddr = (u64) addr;
aa->addrlo = baddr & 0xffffffff;
aa->addrhi = baddr >> 32;
wmb();
}
static inline void ace_set_txprd(struct ace_regs __iomem *regs,
struct ace_private *ap, u32 value)
{
#ifdef INDEX_DEBUG
unsigned long flags;
spin_lock_irqsave(&ap->debug_lock, flags);
writel(value, &regs->TxPrd);
if (value == ap->last_tx)
printk(KERN_ERR "AceNIC RACE ALERT! writing identical value "
"to tx producer (%i)\n", value);
ap->last_tx = value;
spin_unlock_irqrestore(&ap->debug_lock, flags);
#else
writel(value, &regs->TxPrd);
#endif
wmb();
}
static inline void ace_mask_irq(struct net_device *dev)
{
struct ace_private *ap = netdev_priv(dev);
struct ace_regs __iomem *regs = ap->regs;
if (ACE_IS_TIGON_I(ap))
writel(1, &regs->MaskInt);
else
writel(readl(&regs->HostCtrl) | MASK_INTS, &regs->HostCtrl);
ace_sync_irq(dev->irq);
}
static inline void ace_unmask_irq(struct net_device *dev)
{
struct ace_private *ap = netdev_priv(dev);
struct ace_regs __iomem *regs = ap->regs;
if (ACE_IS_TIGON_I(ap))
writel(0, &regs->MaskInt);
else
writel(readl(&regs->HostCtrl) & ~MASK_INTS, &regs->HostCtrl);
}
/*
* Prototypes
*/
static int ace_init(struct net_device *dev);
static void ace_load_std_rx_ring(struct net_device *dev, int nr_bufs);
static void ace_load_mini_rx_ring(struct net_device *dev, int nr_bufs);
static void ace_load_jumbo_rx_ring(struct net_device *dev, int nr_bufs);
static irqreturn_t ace_interrupt(int irq, void *dev_id);
static int ace_load_firmware(struct net_device *dev);
static int ace_open(struct net_device *dev);
static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
struct net_device *dev);
static int ace_close(struct net_device *dev);
static void ace_tasklet(unsigned long dev);
static void ace_dump_trace(struct ace_private *ap);
static void ace_set_multicast_list(struct net_device *dev);
static int ace_change_mtu(struct net_device *dev, int new_mtu);
static int ace_set_mac_addr(struct net_device *dev, void *p);
static void ace_set_rxtx_parms(struct net_device *dev, int jumbo);
static int ace_allocate_descriptors(struct net_device *dev);
static void ace_free_descriptors(struct net_device *dev);
static void ace_init_cleanup(struct net_device *dev);
static struct net_device_stats *ace_get_stats(struct net_device *dev);
static int read_eeprom_byte(struct net_device *dev, unsigned long offset);
#endif /* _ACENIC_H_ */
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