forked from Minki/linux
9b6b0b81f0
Add the ethtool -S (show statistics) feature to the Spidernet ethernet driver. I have tested it extensively and believe it is ready to be applied. Signed-off-by: James K Lewis <jklewis@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
462 lines
13 KiB
C
462 lines
13 KiB
C
/*
|
|
* Network device driver for Cell Processor-Based Blade
|
|
*
|
|
* (C) Copyright IBM Corp. 2005
|
|
*
|
|
* Authors : Utz Bacher <utz.bacher@de.ibm.com>
|
|
* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
|
|
*
|
|
* 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, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef _SPIDER_NET_H
|
|
#define _SPIDER_NET_H
|
|
|
|
#include "sungem_phy.h"
|
|
|
|
extern int spider_net_stop(struct net_device *netdev);
|
|
extern int spider_net_open(struct net_device *netdev);
|
|
|
|
extern const struct ethtool_ops spider_net_ethtool_ops;
|
|
|
|
extern char spider_net_driver_name[];
|
|
|
|
#define SPIDER_NET_MAX_FRAME 2312
|
|
#define SPIDER_NET_MAX_MTU 2294
|
|
#define SPIDER_NET_MIN_MTU 64
|
|
|
|
#define SPIDER_NET_RXBUF_ALIGN 128
|
|
|
|
#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT 256
|
|
#define SPIDER_NET_RX_DESCRIPTORS_MIN 16
|
|
#define SPIDER_NET_RX_DESCRIPTORS_MAX 512
|
|
|
|
#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT 256
|
|
#define SPIDER_NET_TX_DESCRIPTORS_MIN 16
|
|
#define SPIDER_NET_TX_DESCRIPTORS_MAX 512
|
|
|
|
#define SPIDER_NET_TX_TIMER 20
|
|
|
|
#define SPIDER_NET_RX_CSUM_DEFAULT 1
|
|
|
|
#define SPIDER_NET_WATCHDOG_TIMEOUT 50*HZ
|
|
#define SPIDER_NET_NAPI_WEIGHT 64
|
|
|
|
#define SPIDER_NET_FIRMWARE_SEQS 6
|
|
#define SPIDER_NET_FIRMWARE_SEQWORDS 1024
|
|
#define SPIDER_NET_FIRMWARE_LEN (SPIDER_NET_FIRMWARE_SEQS * \
|
|
SPIDER_NET_FIRMWARE_SEQWORDS * \
|
|
sizeof(u32))
|
|
#define SPIDER_NET_FIRMWARE_NAME "spider_fw.bin"
|
|
|
|
/** spider_net SMMIO registers */
|
|
#define SPIDER_NET_GHIINT0STS 0x00000000
|
|
#define SPIDER_NET_GHIINT1STS 0x00000004
|
|
#define SPIDER_NET_GHIINT2STS 0x00000008
|
|
#define SPIDER_NET_GHIINT0MSK 0x00000010
|
|
#define SPIDER_NET_GHIINT1MSK 0x00000014
|
|
#define SPIDER_NET_GHIINT2MSK 0x00000018
|
|
|
|
#define SPIDER_NET_GRESUMINTNUM 0x00000020
|
|
#define SPIDER_NET_GREINTNUM 0x00000024
|
|
|
|
#define SPIDER_NET_GFFRMNUM 0x00000028
|
|
#define SPIDER_NET_GFAFRMNUM 0x0000002c
|
|
#define SPIDER_NET_GFBFRMNUM 0x00000030
|
|
#define SPIDER_NET_GFCFRMNUM 0x00000034
|
|
#define SPIDER_NET_GFDFRMNUM 0x00000038
|
|
|
|
/* clear them (don't use it) */
|
|
#define SPIDER_NET_GFREECNNUM 0x0000003c
|
|
#define SPIDER_NET_GONETIMENUM 0x00000040
|
|
|
|
#define SPIDER_NET_GTOUTFRMNUM 0x00000044
|
|
|
|
#define SPIDER_NET_GTXMDSET 0x00000050
|
|
#define SPIDER_NET_GPCCTRL 0x00000054
|
|
#define SPIDER_NET_GRXMDSET 0x00000058
|
|
#define SPIDER_NET_GIPSECINIT 0x0000005c
|
|
#define SPIDER_NET_GFTRESTRT 0x00000060
|
|
#define SPIDER_NET_GRXDMAEN 0x00000064
|
|
#define SPIDER_NET_GMRWOLCTRL 0x00000068
|
|
#define SPIDER_NET_GPCWOPCMD 0x0000006c
|
|
#define SPIDER_NET_GPCROPCMD 0x00000070
|
|
#define SPIDER_NET_GTTFRMCNT 0x00000078
|
|
#define SPIDER_NET_GTESTMD 0x0000007c
|
|
|
|
#define SPIDER_NET_GSINIT 0x00000080
|
|
#define SPIDER_NET_GSnPRGADR 0x00000084
|
|
#define SPIDER_NET_GSnPRGDAT 0x00000088
|
|
|
|
#define SPIDER_NET_GMACOPEMD 0x00000100
|
|
#define SPIDER_NET_GMACLENLMT 0x00000108
|
|
#define SPIDER_NET_GMACINTEN 0x00000118
|
|
#define SPIDER_NET_GMACPHYCTRL 0x00000120
|
|
|
|
#define SPIDER_NET_GMACAPAUSE 0x00000154
|
|
#define SPIDER_NET_GMACTXPAUSE 0x00000164
|
|
|
|
#define SPIDER_NET_GMACMODE 0x000001b0
|
|
#define SPIDER_NET_GMACBSTLMT 0x000001b4
|
|
|
|
#define SPIDER_NET_GMACUNIMACU 0x000001c0
|
|
#define SPIDER_NET_GMACUNIMACL 0x000001c8
|
|
|
|
#define SPIDER_NET_GMRMHFILnR 0x00000400
|
|
#define SPIDER_NET_MULTICAST_HASHES 256
|
|
|
|
#define SPIDER_NET_GMRUAFILnR 0x00000500
|
|
#define SPIDER_NET_GMRUA0FIL15R 0x00000578
|
|
|
|
#define SPIDER_NET_GTTQMSK 0x00000934
|
|
|
|
/* RX DMA controller registers, all 0x00000a.. are for DMA controller A,
|
|
* 0x00000b.. for DMA controller B, etc. */
|
|
#define SPIDER_NET_GDADCHA 0x00000a00
|
|
#define SPIDER_NET_GDADMACCNTR 0x00000a04
|
|
#define SPIDER_NET_GDACTDPA 0x00000a08
|
|
#define SPIDER_NET_GDACTDCNT 0x00000a0c
|
|
#define SPIDER_NET_GDACDBADDR 0x00000a20
|
|
#define SPIDER_NET_GDACDBSIZE 0x00000a24
|
|
#define SPIDER_NET_GDACNEXTDA 0x00000a28
|
|
#define SPIDER_NET_GDACCOMST 0x00000a2c
|
|
#define SPIDER_NET_GDAWBCOMST 0x00000a30
|
|
#define SPIDER_NET_GDAWBRSIZE 0x00000a34
|
|
#define SPIDER_NET_GDAWBVSIZE 0x00000a38
|
|
#define SPIDER_NET_GDAWBTRST 0x00000a3c
|
|
#define SPIDER_NET_GDAWBTRERR 0x00000a40
|
|
|
|
/* TX DMA controller registers */
|
|
#define SPIDER_NET_GDTDCHA 0x00000e00
|
|
#define SPIDER_NET_GDTDMACCNTR 0x00000e04
|
|
#define SPIDER_NET_GDTCDPA 0x00000e08
|
|
#define SPIDER_NET_GDTDMASEL 0x00000e14
|
|
|
|
#define SPIDER_NET_ECMODE 0x00000f00
|
|
/* clock and reset control register */
|
|
#define SPIDER_NET_CKRCTRL 0x00000ff0
|
|
|
|
/** SCONFIG registers */
|
|
#define SPIDER_NET_SCONFIG_IOACTE 0x00002810
|
|
|
|
/** interrupt mask registers */
|
|
#define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe2c7
|
|
#define SPIDER_NET_INT1_MASK_VALUE 0xffff7ff7
|
|
/* no MAC aborts -> auto retransmission */
|
|
#define SPIDER_NET_INT2_MASK_VALUE 0xffef7ff1
|
|
|
|
/* we rely on flagged descriptor interrupts */
|
|
#define SPIDER_NET_FRAMENUM_VALUE 0x00000000
|
|
/* set this first, then the FRAMENUM_VALUE */
|
|
#define SPIDER_NET_GFXFRAMES_VALUE 0x00000000
|
|
|
|
#define SPIDER_NET_STOP_SEQ_VALUE 0x00000000
|
|
#define SPIDER_NET_RUN_SEQ_VALUE 0x0000007e
|
|
|
|
#define SPIDER_NET_PHY_CTRL_VALUE 0x00040040
|
|
/* #define SPIDER_NET_PHY_CTRL_VALUE 0x01070080*/
|
|
#define SPIDER_NET_RXMODE_VALUE 0x00000011
|
|
/* auto retransmission in case of MAC aborts */
|
|
#define SPIDER_NET_TXMODE_VALUE 0x00010000
|
|
#define SPIDER_NET_RESTART_VALUE 0x00000000
|
|
#define SPIDER_NET_WOL_VALUE 0x00001111
|
|
#if 0
|
|
#define SPIDER_NET_WOL_VALUE 0x00000000
|
|
#endif
|
|
#define SPIDER_NET_IPSECINIT_VALUE 0x6f716f71
|
|
|
|
/* pause frames: automatic, no upper retransmission count */
|
|
/* outside loopback mode: ETOMOD signal dont matter, not connected */
|
|
#define SPIDER_NET_OPMODE_VALUE 0x00000063
|
|
/*#define SPIDER_NET_OPMODE_VALUE 0x001b0062*/
|
|
#define SPIDER_NET_LENLMT_VALUE 0x00000908
|
|
|
|
#define SPIDER_NET_MACAPAUSE_VALUE 0x00000800 /* about 1 ms */
|
|
#define SPIDER_NET_TXPAUSE_VALUE 0x00000000
|
|
|
|
#define SPIDER_NET_MACMODE_VALUE 0x00000001
|
|
#define SPIDER_NET_BURSTLMT_VALUE 0x00000200 /* about 16 us */
|
|
|
|
/* 1(0) enable r/tx dma
|
|
* 0000000 fixed to 0
|
|
*
|
|
* 000000 fixed to 0
|
|
* 0(1) en/disable descr writeback on force end
|
|
* 0(1) force end
|
|
*
|
|
* 000000 fixed to 0
|
|
* 00 burst alignment: 128 bytes
|
|
*
|
|
* 00000 fixed to 0
|
|
* 0 descr writeback size 32 bytes
|
|
* 0(1) descr chain end interrupt enable
|
|
* 0(1) descr status writeback enable */
|
|
|
|
/* to set RX_DMA_EN */
|
|
#define SPIDER_NET_DMA_RX_VALUE 0x80000000
|
|
#define SPIDER_NET_DMA_RX_FEND_VALUE 0x00030003
|
|
/* to set TX_DMA_EN */
|
|
#define SPIDER_NET_TX_DMA_EN 0x80000000
|
|
#define SPIDER_NET_GDTDCEIDIS 0x00000002
|
|
#define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN | \
|
|
SPIDER_NET_GDTDCEIDIS
|
|
#define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003
|
|
|
|
/* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
|
|
#define SPIDER_NET_UA_DESCR_VALUE 0x00080000
|
|
#define SPIDER_NET_PROMISC_VALUE 0x00080000
|
|
#define SPIDER_NET_NONPROMISC_VALUE 0x00000000
|
|
|
|
#define SPIDER_NET_DMASEL_VALUE 0x00000001
|
|
|
|
#define SPIDER_NET_ECMODE_VALUE 0x00000000
|
|
|
|
#define SPIDER_NET_CKRCTRL_RUN_VALUE 0x1fff010f
|
|
#define SPIDER_NET_CKRCTRL_STOP_VALUE 0x0000010f
|
|
|
|
#define SPIDER_NET_SBIMSTATE_VALUE 0x00000000
|
|
#define SPIDER_NET_SBTMSTATE_VALUE 0x00000000
|
|
|
|
/* SPIDER_NET_GHIINT0STS bits, in reverse order so that they can be used
|
|
* with 1 << SPIDER_NET_... */
|
|
enum spider_net_int0_status {
|
|
SPIDER_NET_GPHYINT = 0,
|
|
SPIDER_NET_GMAC2INT,
|
|
SPIDER_NET_GMAC1INT,
|
|
SPIDER_NET_GIPSINT,
|
|
SPIDER_NET_GFIFOINT,
|
|
SPIDER_NET_GDMACINT,
|
|
SPIDER_NET_GSYSINT,
|
|
SPIDER_NET_GPWOPCMPINT,
|
|
SPIDER_NET_GPROPCMPINT,
|
|
SPIDER_NET_GPWFFINT,
|
|
SPIDER_NET_GRMDADRINT,
|
|
SPIDER_NET_GRMARPINT,
|
|
SPIDER_NET_GRMMPINT,
|
|
SPIDER_NET_GDTDEN0INT,
|
|
SPIDER_NET_GDDDEN0INT,
|
|
SPIDER_NET_GDCDEN0INT,
|
|
SPIDER_NET_GDBDEN0INT,
|
|
SPIDER_NET_GDADEN0INT,
|
|
SPIDER_NET_GDTFDCINT,
|
|
SPIDER_NET_GDDFDCINT,
|
|
SPIDER_NET_GDCFDCINT,
|
|
SPIDER_NET_GDBFDCINT,
|
|
SPIDER_NET_GDAFDCINT,
|
|
SPIDER_NET_GTTEDINT,
|
|
SPIDER_NET_GDTDCEINT,
|
|
SPIDER_NET_GRFDNMINT,
|
|
SPIDER_NET_GRFCNMINT,
|
|
SPIDER_NET_GRFBNMINT,
|
|
SPIDER_NET_GRFANMINT,
|
|
SPIDER_NET_GRFNMINT,
|
|
SPIDER_NET_G1TMCNTINT,
|
|
SPIDER_NET_GFREECNTINT
|
|
};
|
|
/* GHIINT1STS bits */
|
|
enum spider_net_int1_status {
|
|
SPIDER_NET_GTMFLLINT = 0,
|
|
SPIDER_NET_GRMFLLINT,
|
|
SPIDER_NET_GTMSHTINT,
|
|
SPIDER_NET_GDTINVDINT,
|
|
SPIDER_NET_GRFDFLLINT,
|
|
SPIDER_NET_GDDDCEINT,
|
|
SPIDER_NET_GDDINVDINT,
|
|
SPIDER_NET_GRFCFLLINT,
|
|
SPIDER_NET_GDCDCEINT,
|
|
SPIDER_NET_GDCINVDINT,
|
|
SPIDER_NET_GRFBFLLINT,
|
|
SPIDER_NET_GDBDCEINT,
|
|
SPIDER_NET_GDBINVDINT,
|
|
SPIDER_NET_GRFAFLLINT,
|
|
SPIDER_NET_GDADCEINT,
|
|
SPIDER_NET_GDAINVDINT,
|
|
SPIDER_NET_GDTRSERINT,
|
|
SPIDER_NET_GDDRSERINT,
|
|
SPIDER_NET_GDCRSERINT,
|
|
SPIDER_NET_GDBRSERINT,
|
|
SPIDER_NET_GDARSERINT,
|
|
SPIDER_NET_GDSERINT,
|
|
SPIDER_NET_GDTPTERINT,
|
|
SPIDER_NET_GDDPTERINT,
|
|
SPIDER_NET_GDCPTERINT,
|
|
SPIDER_NET_GDBPTERINT,
|
|
SPIDER_NET_GDAPTERINT
|
|
};
|
|
/* GHIINT2STS bits */
|
|
enum spider_net_int2_status {
|
|
SPIDER_NET_GPROPERINT = 0,
|
|
SPIDER_NET_GMCTCRSNGINT,
|
|
SPIDER_NET_GMCTLCOLINT,
|
|
SPIDER_NET_GMCTTMOTINT,
|
|
SPIDER_NET_GMCRCAERINT,
|
|
SPIDER_NET_GMCRCALERINT,
|
|
SPIDER_NET_GMCRALNERINT,
|
|
SPIDER_NET_GMCROVRINT,
|
|
SPIDER_NET_GMCRRNTINT,
|
|
SPIDER_NET_GMCRRXERINT,
|
|
SPIDER_NET_GTITCSERINT,
|
|
SPIDER_NET_GTIFMTERINT,
|
|
SPIDER_NET_GTIPKTRVKINT,
|
|
SPIDER_NET_GTISPINGINT,
|
|
SPIDER_NET_GTISADNGINT,
|
|
SPIDER_NET_GTISPDNGINT,
|
|
SPIDER_NET_GRIFMTERINT,
|
|
SPIDER_NET_GRIPKTRVKINT,
|
|
SPIDER_NET_GRISPINGINT,
|
|
SPIDER_NET_GRISADNGINT,
|
|
SPIDER_NET_GRISPDNGINT
|
|
};
|
|
|
|
#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GTTEDINT) | \
|
|
(1 << SPIDER_NET_GDTDCEINT) | \
|
|
(1 << SPIDER_NET_GDTFDCINT) )
|
|
|
|
/* we rely on flagged descriptor interrupts*/
|
|
#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) | \
|
|
(1 << SPIDER_NET_GRMFLLINT) )
|
|
|
|
#define SPIDER_NET_ERRINT ( 0xffffffff & \
|
|
(~SPIDER_NET_TXINT) & \
|
|
(~SPIDER_NET_RXINT) )
|
|
|
|
#define SPIDER_NET_GPREXEC 0x80000000
|
|
#define SPIDER_NET_GPRDAT_MASK 0x0000ffff
|
|
|
|
#define SPIDER_NET_DMAC_NOINTR_COMPLETE 0x00800000
|
|
#define SPIDER_NET_DMAC_NOCS 0x00040000
|
|
#define SPIDER_NET_DMAC_TCP 0x00020000
|
|
#define SPIDER_NET_DMAC_UDP 0x00030000
|
|
#define SPIDER_NET_TXDCEST 0x08000000
|
|
|
|
#define SPIDER_NET_DESCR_IND_PROC_MASK 0xF0000000
|
|
#define SPIDER_NET_DESCR_COMPLETE 0x00000000 /* used in rx and tx */
|
|
#define SPIDER_NET_DESCR_RESPONSE_ERROR 0x10000000 /* used in rx and tx */
|
|
#define SPIDER_NET_DESCR_PROTECTION_ERROR 0x20000000 /* used in rx and tx */
|
|
#define SPIDER_NET_DESCR_FRAME_END 0x40000000 /* used in rx */
|
|
#define SPIDER_NET_DESCR_FORCE_END 0x50000000 /* used in rx and tx */
|
|
#define SPIDER_NET_DESCR_CARDOWNED 0xA0000000 /* used in rx and tx */
|
|
#define SPIDER_NET_DESCR_NOT_IN_USE 0xF0000000
|
|
|
|
struct spider_net_descr {
|
|
/* as defined by the hardware */
|
|
u32 buf_addr;
|
|
u32 buf_size;
|
|
u32 next_descr_addr;
|
|
u32 dmac_cmd_status;
|
|
u32 result_size;
|
|
u32 valid_size; /* all zeroes for tx */
|
|
u32 data_status;
|
|
u32 data_error; /* all zeroes for tx */
|
|
|
|
/* used in the driver */
|
|
struct sk_buff *skb;
|
|
u32 bus_addr;
|
|
struct spider_net_descr *next;
|
|
struct spider_net_descr *prev;
|
|
} __attribute__((aligned(32)));
|
|
|
|
struct spider_net_descr_chain {
|
|
spinlock_t lock;
|
|
struct spider_net_descr *head;
|
|
struct spider_net_descr *tail;
|
|
};
|
|
|
|
/* descriptor data_status bits */
|
|
#define SPIDER_NET_RX_IPCHK 29
|
|
#define SPIDER_NET_RX_TCPCHK 28
|
|
#define SPIDER_NET_VLAN_PACKET 21
|
|
#define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) | \
|
|
(1 << SPIDER_NET_RX_TCPCHK) )
|
|
|
|
/* descriptor data_error bits */
|
|
#define SPIDER_NET_RX_IPCHKERR 27
|
|
#define SPIDER_NET_RX_RXTCPCHKERR 28
|
|
|
|
#define SPIDER_NET_DATA_ERR_CKSUM_MASK (1 << SPIDER_NET_RX_IPCHKERR)
|
|
|
|
/* the cases we don't pass the packet to the stack.
|
|
* 701b8000 would be correct, but every packets gets that flag */
|
|
#define SPIDER_NET_DESTROY_RX_FLAGS 0x700b8000
|
|
|
|
#define SPIDER_NET_DESCR_SIZE 32
|
|
|
|
/* this will be bigger some time */
|
|
struct spider_net_options {
|
|
int rx_csum; /* for rx: if 0 ip_summed=NONE,
|
|
if 1 and hw has verified, ip_summed=UNNECESSARY */
|
|
};
|
|
|
|
#define SPIDER_NET_DEFAULT_MSG ( NETIF_MSG_DRV | \
|
|
NETIF_MSG_PROBE | \
|
|
NETIF_MSG_LINK | \
|
|
NETIF_MSG_TIMER | \
|
|
NETIF_MSG_IFDOWN | \
|
|
NETIF_MSG_IFUP | \
|
|
NETIF_MSG_RX_ERR | \
|
|
NETIF_MSG_TX_ERR | \
|
|
NETIF_MSG_TX_QUEUED | \
|
|
NETIF_MSG_INTR | \
|
|
NETIF_MSG_TX_DONE | \
|
|
NETIF_MSG_RX_STATUS | \
|
|
NETIF_MSG_PKTDATA | \
|
|
NETIF_MSG_HW | \
|
|
NETIF_MSG_WOL )
|
|
|
|
struct spider_net_extra_stats {
|
|
unsigned long rx_desc_error;
|
|
unsigned long tx_timeouts;
|
|
unsigned long alloc_rx_skb_error;
|
|
unsigned long rx_iommu_map_error;
|
|
unsigned long tx_iommu_map_error;
|
|
unsigned long rx_desc_unk_state;
|
|
};
|
|
|
|
struct spider_net_card {
|
|
struct net_device *netdev;
|
|
struct pci_dev *pdev;
|
|
struct mii_phy phy;
|
|
|
|
void __iomem *regs;
|
|
|
|
struct spider_net_descr_chain tx_chain;
|
|
struct spider_net_descr_chain rx_chain;
|
|
|
|
struct net_device_stats netdev_stats;
|
|
|
|
struct spider_net_options options;
|
|
|
|
spinlock_t intmask_lock;
|
|
struct tasklet_struct rxram_full_tl;
|
|
struct timer_list tx_timer;
|
|
|
|
struct work_struct tx_timeout_task;
|
|
atomic_t tx_timeout_task_counter;
|
|
wait_queue_head_t waitq;
|
|
|
|
/* for ethtool */
|
|
int msg_enable;
|
|
int rx_desc;
|
|
int tx_desc;
|
|
struct spider_net_extra_stats spider_stats;
|
|
|
|
struct spider_net_descr descr[0];
|
|
};
|
|
|
|
#define pr_err(fmt,arg...) \
|
|
printk(KERN_ERR fmt ,##arg)
|
|
|
|
#endif
|