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-rw-r--r--drivers/net/gianfar.h412
1 files changed, 351 insertions, 61 deletions
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 2cd94338b5d3..cbb451011cb5 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -7,8 +7,9 @@
*
* Author: Andy Fleming
* Maintainer: Kumar Gala
+ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
*
- * Copyright (c) 2002-2004 Freescale Semiconductor, Inc.
+ * Copyright 2002-2009 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -74,6 +75,13 @@
extern const char gfar_driver_name[];
extern const char gfar_driver_version[];
+/* MAXIMUM NUMBER OF QUEUES SUPPORTED */
+#define MAX_TX_QS 0x8
+#define MAX_RX_QS 0x8
+
+/* MAXIMUM NUMBER OF GROUPS SUPPORTED */
+#define MAXGROUPS 0x2
+
/* These need to be powers of 2 for this driver */
#define DEFAULT_TX_RING_SIZE 256
#define DEFAULT_RX_RING_SIZE 256
@@ -171,12 +179,63 @@ extern const char gfar_driver_version[];
#define MINFLR_INIT_SETTINGS 0x00000040
+/* Tqueue control */
+#define TQUEUE_EN0 0x00008000
+#define TQUEUE_EN1 0x00004000
+#define TQUEUE_EN2 0x00002000
+#define TQUEUE_EN3 0x00001000
+#define TQUEUE_EN4 0x00000800
+#define TQUEUE_EN5 0x00000400
+#define TQUEUE_EN6 0x00000200
+#define TQUEUE_EN7 0x00000100
+#define TQUEUE_EN_ALL 0x0000FF00
+
+#define TR03WT_WT0_MASK 0xFF000000
+#define TR03WT_WT1_MASK 0x00FF0000
+#define TR03WT_WT2_MASK 0x0000FF00
+#define TR03WT_WT3_MASK 0x000000FF
+
+#define TR47WT_WT4_MASK 0xFF000000
+#define TR47WT_WT5_MASK 0x00FF0000
+#define TR47WT_WT6_MASK 0x0000FF00
+#define TR47WT_WT7_MASK 0x000000FF
+
+/* Rqueue control */
+#define RQUEUE_EX0 0x00800000
+#define RQUEUE_EX1 0x00400000
+#define RQUEUE_EX2 0x00200000
+#define RQUEUE_EX3 0x00100000
+#define RQUEUE_EX4 0x00080000
+#define RQUEUE_EX5 0x00040000
+#define RQUEUE_EX6 0x00020000
+#define RQUEUE_EX7 0x00010000
+#define RQUEUE_EX_ALL 0x00FF0000
+
+#define RQUEUE_EN0 0x00000080
+#define RQUEUE_EN1 0x00000040
+#define RQUEUE_EN2 0x00000020
+#define RQUEUE_EN3 0x00000010
+#define RQUEUE_EN4 0x00000008
+#define RQUEUE_EN5 0x00000004
+#define RQUEUE_EN6 0x00000002
+#define RQUEUE_EN7 0x00000001
+#define RQUEUE_EN_ALL 0x000000FF
+
/* Init to do tx snooping for buffers and descriptors */
#define DMACTRL_INIT_SETTINGS 0x000000c3
#define DMACTRL_GRS 0x00000010
#define DMACTRL_GTS 0x00000008
-#define TSTAT_CLEAR_THALT 0x80000000
+#define TSTAT_CLEAR_THALT_ALL 0xFF000000
+#define TSTAT_CLEAR_THALT 0x80000000
+#define TSTAT_CLEAR_THALT0 0x80000000
+#define TSTAT_CLEAR_THALT1 0x40000000
+#define TSTAT_CLEAR_THALT2 0x20000000
+#define TSTAT_CLEAR_THALT3 0x10000000
+#define TSTAT_CLEAR_THALT4 0x08000000
+#define TSTAT_CLEAR_THALT5 0x04000000
+#define TSTAT_CLEAR_THALT6 0x02000000
+#define TSTAT_CLEAR_THALT7 0x01000000
/* Interrupt coalescing macros */
#define IC_ICEN 0x80000000
@@ -227,6 +286,13 @@ extern const char gfar_driver_version[];
#define TCTRL_IPCSEN 0x00004000
#define TCTRL_TUCSEN 0x00002000
#define TCTRL_VLINS 0x00001000
+#define TCTRL_THDF 0x00000800
+#define TCTRL_RFCPAUSE 0x00000010
+#define TCTRL_TFCPAUSE 0x00000008
+#define TCTRL_TXSCHED_MASK 0x00000006
+#define TCTRL_TXSCHED_INIT 0x00000000
+#define TCTRL_TXSCHED_PRIO 0x00000002
+#define TCTRL_TXSCHED_WRRS 0x00000004
#define TCTRL_INIT_CSUM (TCTRL_TUCSEN | TCTRL_IPCSEN)
#define IEVENT_INIT_CLEAR 0xffffffff
@@ -315,6 +381,84 @@ extern const char gfar_driver_version[];
#define BD_LFLAG(flags) ((flags) << 16)
#define BD_LENGTH_MASK 0x0000ffff
+#define CLASS_CODE_UNRECOG 0x00
+#define CLASS_CODE_DUMMY1 0x01
+#define CLASS_CODE_ETHERTYPE1 0x02
+#define CLASS_CODE_ETHERTYPE2 0x03
+#define CLASS_CODE_USER_PROG1 0x04
+#define CLASS_CODE_USER_PROG2 0x05
+#define CLASS_CODE_USER_PROG3 0x06
+#define CLASS_CODE_USER_PROG4 0x07
+#define CLASS_CODE_TCP_IPV4 0x08
+#define CLASS_CODE_UDP_IPV4 0x09
+#define CLASS_CODE_AH_ESP_IPV4 0x0a
+#define CLASS_CODE_SCTP_IPV4 0x0b
+#define CLASS_CODE_TCP_IPV6 0x0c
+#define CLASS_CODE_UDP_IPV6 0x0d
+#define CLASS_CODE_AH_ESP_IPV6 0x0e
+#define CLASS_CODE_SCTP_IPV6 0x0f
+
+#define FPR_FILER_MASK 0xFFFFFFFF
+#define MAX_FILER_IDX 0xFF
+
+/* RQFCR register bits */
+#define RQFCR_GPI 0x80000000
+#define RQFCR_HASHTBL_Q 0x00000000
+#define RQFCR_HASHTBL_0 0x00020000
+#define RQFCR_HASHTBL_1 0x00040000
+#define RQFCR_HASHTBL_2 0x00060000
+#define RQFCR_HASHTBL_3 0x00080000
+#define RQFCR_HASH 0x00010000
+#define RQFCR_CLE 0x00000200
+#define RQFCR_RJE 0x00000100
+#define RQFCR_AND 0x00000080
+#define RQFCR_CMP_EXACT 0x00000000
+#define RQFCR_CMP_MATCH 0x00000020
+#define RQFCR_CMP_NOEXACT 0x00000040
+#define RQFCR_CMP_NOMATCH 0x00000060
+
+/* RQFCR PID values */
+#define RQFCR_PID_MASK 0x00000000
+#define RQFCR_PID_PARSE 0x00000001
+#define RQFCR_PID_ARB 0x00000002
+#define RQFCR_PID_DAH 0x00000003
+#define RQFCR_PID_DAL 0x00000004
+#define RQFCR_PID_SAH 0x00000005
+#define RQFCR_PID_SAL 0x00000006
+#define RQFCR_PID_ETY 0x00000007
+#define RQFCR_PID_VID 0x00000008
+#define RQFCR_PID_PRI 0x00000009
+#define RQFCR_PID_TOS 0x0000000A
+#define RQFCR_PID_L4P 0x0000000B
+#define RQFCR_PID_DIA 0x0000000C
+#define RQFCR_PID_SIA 0x0000000D
+#define RQFCR_PID_DPT 0x0000000E
+#define RQFCR_PID_SPT 0x0000000F
+
+/* RQFPR when PID is 0x0001 */
+#define RQFPR_HDR_GE_512 0x00200000
+#define RQFPR_LERR 0x00100000
+#define RQFPR_RAR 0x00080000
+#define RQFPR_RARQ 0x00040000
+#define RQFPR_AR 0x00020000
+#define RQFPR_ARQ 0x00010000
+#define RQFPR_EBC 0x00008000
+#define RQFPR_VLN 0x00004000
+#define RQFPR_CFI 0x00002000
+#define RQFPR_JUM 0x00001000
+#define RQFPR_IPF 0x00000800
+#define RQFPR_FIF 0x00000400
+#define RQFPR_IPV4 0x00000200
+#define RQFPR_IPV6 0x00000100
+#define RQFPR_ICC 0x00000080
+#define RQFPR_ICV 0x00000040
+#define RQFPR_TCP 0x00000020
+#define RQFPR_UDP 0x00000010
+#define RQFPR_TUC 0x00000008
+#define RQFPR_TUV 0x00000004
+#define RQFPR_PER 0x00000002
+#define RQFPR_EER 0x00000001
+
/* TxBD status field bits */
#define TXBD_READY 0x8000
#define TXBD_PADCRC 0x4000
@@ -503,25 +647,32 @@ struct gfar_stats {
struct gfar {
u32 tsec_id; /* 0x.000 - Controller ID register */
- u8 res1[12];
+ u32 tsec_id2; /* 0x.004 - Controller ID2 register */
+ u8 res1[8];
u32 ievent; /* 0x.010 - Interrupt Event Register */
u32 imask; /* 0x.014 - Interrupt Mask Register */
u32 edis; /* 0x.018 - Error Disabled Register */
- u8 res2[4];
+ u32 emapg; /* 0x.01c - Group Error mapping register */
u32 ecntrl; /* 0x.020 - Ethernet Control Register */
u32 minflr; /* 0x.024 - Minimum Frame Length Register */
u32 ptv; /* 0x.028 - Pause Time Value Register */
u32 dmactrl; /* 0x.02c - DMA Control Register */
u32 tbipa; /* 0x.030 - TBI PHY Address Register */
- u8 res3[88];
+ u8 res2[28];
+ u32 fifo_rx_pause; /* 0x.050 - FIFO receive pause start threshold
+ register */
+ u32 fifo_rx_pause_shutoff; /* x.054 - FIFO receive starve shutoff
+ register */
+ u32 fifo_rx_alarm; /* 0x.058 - FIFO receive alarm start threshold
+ register */
+ u32 fifo_rx_alarm_shutoff; /*0x.05c - FIFO receive alarm starve
+ shutoff register */
+ u8 res3[44];
u32 fifo_tx_thr; /* 0x.08c - FIFO transmit threshold register */
u8 res4[8];
u32 fifo_tx_starve; /* 0x.098 - FIFO transmit starve register */
u32 fifo_tx_starve_shutoff; /* 0x.09c - FIFO transmit starve shutoff register */
- u8 res5[4];
- u32 fifo_rx_pause; /* 0x.0a4 - FIFO receive pause threshold register */
- u32 fifo_rx_alarm; /* 0x.0a8 - FIFO receive alarm threshold register */
- u8 res6[84];
+ u8 res5[96];
u32 tctrl; /* 0x.100 - Transmit Control Register */
u32 tstat; /* 0x.104 - Transmit Status Register */
u32 dfvlan; /* 0x.108 - Default VLAN Control word */
@@ -572,7 +723,11 @@ struct gfar {
u8 res12[8];
u32 rxic; /* 0x.310 - Receive Interrupt Coalescing Configuration Register */
u32 rqueue; /* 0x.314 - Receive queue control register */
- u8 res13[24];
+ u32 rir0; /* 0x.318 - Ring mapping register 0 */
+ u32 rir1; /* 0x.31c - Ring mapping register 1 */
+ u32 rir2; /* 0x.320 - Ring mapping register 2 */
+ u32 rir3; /* 0x.324 - Ring mapping register 3 */
+ u8 res13[8];
u32 rbifx; /* 0x.330 - Receive bit field extract control register */
u32 rqfar; /* 0x.334 - Receive queue filing table address register */
u32 rqfcr; /* 0x.338 - Receive queue filing table control register */
@@ -621,7 +776,7 @@ struct gfar {
u32 maxfrm; /* 0x.510 - Maximum Frame Length Register */
u8 res18[12];
u8 gfar_mii_regs[24]; /* See gianfar_phy.h */
- u8 res19[4];
+ u32 ifctrl; /* 0x.538 - Interface control register */
u32 ifstat; /* 0x.53c - Interface Status Register */
u32 macstnaddr1; /* 0x.540 - Station Address Part 1 Register */
u32 macstnaddr2; /* 0x.544 - Station Address Part 2 Register */
@@ -682,8 +837,30 @@ struct gfar {
u8 res23c[248];
u32 attr; /* 0x.bf8 - Attributes Register */
u32 attreli; /* 0x.bfc - Attributes Extract Length and Extract Index Register */
- u8 res24[1024];
-
+ u8 res24[688];
+ u32 isrg0; /* 0x.eb0 - Interrupt steering group 0 register */
+ u32 isrg1; /* 0x.eb4 - Interrupt steering group 1 register */
+ u32 isrg2; /* 0x.eb8 - Interrupt steering group 2 register */
+ u32 isrg3; /* 0x.ebc - Interrupt steering group 3 register */
+ u8 res25[16];
+ u32 rxic0; /* 0x.ed0 - Ring 0 Rx interrupt coalescing */
+ u32 rxic1; /* 0x.ed4 - Ring 1 Rx interrupt coalescing */
+ u32 rxic2; /* 0x.ed8 - Ring 2 Rx interrupt coalescing */
+ u32 rxic3; /* 0x.edc - Ring 3 Rx interrupt coalescing */
+ u32 rxic4; /* 0x.ee0 - Ring 4 Rx interrupt coalescing */
+ u32 rxic5; /* 0x.ee4 - Ring 5 Rx interrupt coalescing */
+ u32 rxic6; /* 0x.ee8 - Ring 6 Rx interrupt coalescing */
+ u32 rxic7; /* 0x.eec - Ring 7 Rx interrupt coalescing */
+ u8 res26[32];
+ u32 txic0; /* 0x.f10 - Ring 0 Tx interrupt coalescing */
+ u32 txic1; /* 0x.f14 - Ring 1 Tx interrupt coalescing */
+ u32 txic2; /* 0x.f18 - Ring 2 Tx interrupt coalescing */
+ u32 txic3; /* 0x.f1c - Ring 3 Tx interrupt coalescing */
+ u32 txic4; /* 0x.f20 - Ring 4 Tx interrupt coalescing */
+ u32 txic5; /* 0x.f24 - Ring 5 Tx interrupt coalescing */
+ u32 txic6; /* 0x.f28 - Ring 6 Tx interrupt coalescing */
+ u32 txic7; /* 0x.f2c - Ring 7 Tx interrupt coalescing */
+ u8 res27[208];
};
/* Flags related to gianfar device features */
@@ -699,6 +876,133 @@ struct gfar {
#define FSL_GIANFAR_DEV_HAS_BD_STASHING 0x00000200
#define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400
+#if (MAXGROUPS == 2)
+#define DEFAULT_MAPPING 0xAA
+#else
+#define DEFAULT_MAPPING 0xFF
+#endif
+
+#define ISRG_SHIFT_TX 0x10
+#define ISRG_SHIFT_RX 0x18
+
+/* The same driver can operate in two modes */
+/* SQ_SG_MODE: Single Queue Single Group Mode
+ * (Backward compatible mode)
+ * MQ_MG_MODE: Multi Queue Multi Group mode
+ */
+enum {
+ SQ_SG_MODE = 0,
+ MQ_MG_MODE
+};
+
+/**
+ * struct gfar_priv_tx_q - per tx queue structure
+ * @txlock: per queue tx spin lock
+ * @tx_skbuff:skb pointers
+ * @skb_curtx: to be used skb pointer
+ * @skb_dirtytx:the last used skb pointer
+ * @qindex: index of this queue
+ * @dev: back pointer to the dev structure
+ * @grp: back pointer to the group to which this queue belongs
+ * @tx_bd_base: First tx buffer descriptor
+ * @cur_tx: Next free ring entry
+ * @dirty_tx: First buffer in line to be transmitted
+ * @tx_ring_size: Tx ring size
+ * @num_txbdfree: number of free TxBds
+ * @txcoalescing: enable/disable tx coalescing
+ * @txic: transmit interrupt coalescing value
+ * @txcount: coalescing value if based on tx frame count
+ * @txtime: coalescing value if based on time
+ */
+struct gfar_priv_tx_q {
+ spinlock_t txlock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+ struct sk_buff ** tx_skbuff;
+ /* Buffer descriptor pointers */
+ dma_addr_t tx_bd_dma_base;
+ struct txbd8 *tx_bd_base;
+ struct txbd8 *cur_tx;
+ struct txbd8 *dirty_tx;
+ struct net_device *dev;
+ struct gfar_priv_grp *grp;
+ u16 skb_curtx;
+ u16 skb_dirtytx;
+ u16 qindex;
+ unsigned int tx_ring_size;
+ unsigned int num_txbdfree;
+ /* Configuration info for the coalescing features */
+ unsigned char txcoalescing;
+ unsigned long txic;
+ unsigned short txcount;
+ unsigned short txtime;
+};
+
+/**
+ * struct gfar_priv_rx_q - per rx queue structure
+ * @rxlock: per queue rx spin lock
+ * @rx_skbuff: skb pointers
+ * @skb_currx: currently use skb pointer
+ * @rx_bd_base: First rx buffer descriptor
+ * @cur_rx: Next free rx ring entry
+ * @qindex: index of this queue
+ * @dev: back pointer to the dev structure
+ * @rx_ring_size: Rx ring size
+ * @rxcoalescing: enable/disable rx-coalescing
+ * @rxic: receive interrupt coalescing vlaue
+ */
+
+struct gfar_priv_rx_q {
+ spinlock_t rxlock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+ struct sk_buff ** rx_skbuff;
+ dma_addr_t rx_bd_dma_base;
+ struct rxbd8 *rx_bd_base;
+ struct rxbd8 *cur_rx;
+ struct net_device *dev;
+ struct gfar_priv_grp *grp;
+ u16 skb_currx;
+ u16 qindex;
+ unsigned int rx_ring_size;
+ /* RX Coalescing values */
+ unsigned char rxcoalescing;
+ unsigned long rxic;
+};
+
+/**
+ * struct gfar_priv_grp - per group structure
+ * @napi: the napi poll function
+ * @priv: back pointer to the priv structure
+ * @regs: the ioremapped register space for this group
+ * @grp_id: group id for this group
+ * @interruptTransmit: The TX interrupt number for this group
+ * @interruptReceive: The RX interrupt number for this group
+ * @interruptError: The ERROR interrupt number for this group
+ * @int_name_tx: tx interrupt name for this group
+ * @int_name_rx: rx interrupt name for this group
+ * @int_name_er: er interrupt name for this group
+ */
+
+struct gfar_priv_grp {
+ spinlock_t grplock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+ struct napi_struct napi;
+ struct gfar_private *priv;
+ struct gfar __iomem *regs;
+ unsigned int grp_id;
+ unsigned long rx_bit_map;
+ unsigned long tx_bit_map;
+ unsigned long num_tx_queues;
+ unsigned long num_rx_queues;
+ unsigned int rstat;
+ unsigned int tstat;
+ unsigned int imask;
+ unsigned int ievent;
+ unsigned int interruptTransmit;
+ unsigned int interruptReceive;
+ unsigned int interruptError;
+
+ char int_name_tx[GFAR_INT_NAME_MAX];
+ char int_name_rx[GFAR_INT_NAME_MAX];
+ char int_name_er[GFAR_INT_NAME_MAX];
+};
+
/* Struct stolen almost completely (and shamelessly) from the FCC enet source
* (Ok, that's not so true anymore, but there is a family resemblence)
* The GFAR buffer descriptors track the ring buffers. The rx_bd_base
@@ -709,62 +1013,36 @@ struct gfar {
* the buffer descriptor determines the actual condition.
*/
struct gfar_private {
- /* Fields controlled by TX lock */
- spinlock_t txlock;
- /* Pointer to the array of skbuffs */
- struct sk_buff ** tx_skbuff;
+ /* Indicates how many tx, rx queues are enabled */
+ unsigned int num_tx_queues;
+ unsigned int num_rx_queues;
+ unsigned int num_grps;
+ unsigned int mode;
- /* next free skb in the array */
- u16 skb_curtx;
-
- /* First skb in line to be transmitted */
- u16 skb_dirtytx;
-
- /* Configuration info for the coalescing features */
- unsigned char txcoalescing;
- unsigned long txic;
-
- /* Buffer descriptor pointers */
- struct txbd8 *tx_bd_base; /* First tx buffer descriptor */
- struct txbd8 *cur_tx; /* Next free ring entry */
- struct txbd8 *dirty_tx; /* First buffer in line
- to be transmitted */
- unsigned int tx_ring_size;
- unsigned int num_txbdfree; /* number of TxBDs free */
-
- /* RX Locked fields */
- spinlock_t rxlock;
+ /* The total tx and rx ring size for the enabled queues */
+ unsigned int total_tx_ring_size;
+ unsigned int total_rx_ring_size;
struct device_node *node;
struct net_device *ndev;
struct of_device *ofdev;
- struct napi_struct napi;
-
- /* skb array and index */
- struct sk_buff ** rx_skbuff;
- u16 skb_currx;
-
- /* RX Coalescing values */
- unsigned char rxcoalescing;
- unsigned long rxic;
- struct rxbd8 *rx_bd_base; /* First Rx buffers */
- struct rxbd8 *cur_rx; /* Next free rx ring entry */
+ struct gfar_priv_grp gfargrp[MAXGROUPS];
+ struct gfar_priv_tx_q *tx_queue[MAX_TX_QS];
+ struct gfar_priv_rx_q *rx_queue[MAX_RX_QS];
- /* RX parameters */
- unsigned int rx_ring_size;
+ /* RX per device parameters */
unsigned int rx_buffer_size;
unsigned int rx_stash_size;
unsigned int rx_stash_index;
+ u32 cur_filer_idx;
+
struct sk_buff_head rx_recycle;
struct vlan_group *vlgrp;
- /* Unprotected fields */
- /* Pointer to the GFAR memory mapped Registers */
- struct gfar __iomem *regs;
/* Hash registers and their width */
u32 __iomem *hash_regs[16];
@@ -785,13 +1063,10 @@ struct gfar_private {
unsigned char rx_csum_enable:1,
extended_hash:1,
bd_stash_en:1,
+ rx_filer_enable:1,
wol_en:1; /* Wake-on-LAN enabled */
unsigned short padding;
- unsigned int interruptTransmit;
- unsigned int interruptReceive;
- unsigned int interruptError;
-
/* PHY stuff */
struct phy_device *phydev;
struct mii_bus *mii_bus;
@@ -803,14 +1078,13 @@ struct gfar_private {
struct work_struct reset_task;
- char int_name_tx[GFAR_INT_NAME_MAX];
- char int_name_rx[GFAR_INT_NAME_MAX];
- char int_name_er[GFAR_INT_NAME_MAX];
-
/* Network Statistics */
struct gfar_extra_stats extra_stats;
};
+extern unsigned int ftp_rqfpr[MAX_FILER_IDX + 1];
+extern unsigned int ftp_rqfcr[MAX_FILER_IDX + 1];
+
static inline u32 gfar_read(volatile unsigned __iomem *addr)
{
u32 val;
@@ -823,12 +1097,28 @@ static inline void gfar_write(volatile unsigned __iomem *addr, u32 val)
out_be32(addr, val);
}
+static inline void gfar_write_filer(struct gfar_private *priv,
+ unsigned int far, unsigned int fcr, unsigned int fpr)
+{
+ struct gfar __iomem *regs = priv->gfargrp[0].regs;
+
+ gfar_write(&regs->rqfar, far);
+ gfar_write(&regs->rqfcr, fcr);
+ gfar_write(&regs->rqfpr, fpr);
+}
+
+extern void lock_rx_qs(struct gfar_private *priv);
+extern void lock_tx_qs(struct gfar_private *priv);
+extern void unlock_rx_qs(struct gfar_private *priv);
+extern void unlock_tx_qs(struct gfar_private *priv);
extern irqreturn_t gfar_receive(int irq, void *dev_id);
extern int startup_gfar(struct net_device *dev);
extern void stop_gfar(struct net_device *dev);
extern void gfar_halt(struct net_device *dev);
extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev,
int enable, u32 regnum, u32 read);
+extern void gfar_configure_coalescing(struct gfar_private *priv,
+ unsigned long tx_mask, unsigned long rx_mask);
void gfar_init_sysfs(struct net_device *dev);
extern const struct ethtool_ops gfar_ethtool_ops;