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Commit ab0115fc authored by Ben Hutchings's avatar Ben Hutchings
Browse files

sfc: Move more Falcon-specific code and definitions into falcon.c 



In particular, fold in the whole of falcon_xmac.c.

Drop some entirely unused definitions.

Signed-off-by: default avatarBen Hutchings <bhutchings@solarflare.com>
parent 9dd3a13b

drivers/net/ethernet/sfc/Makefile

+1 −1
Original line number Original line Diff line number Diff line 
sfc-y			+= efx.o nic.o falcon.o siena.o tx.o rx.o filter.o \

sfc-y			+= efx.o nic.o falcon.o siena.o tx.o rx.o filter.o \

			   falcon_xmac.o mcdi_mac.o \

			   mcdi_mac.o \

			   selftest.o ethtool.o qt202x_phy.o mdio_10g.o \

			   selftest.o ethtool.o qt202x_phy.o mdio_10g.o \

			   tenxpress.o txc43128_phy.o falcon_boards.o \

			   tenxpress.o txc43128_phy.o falcon_boards.o \

			   mcdi.o mcdi_phy.o mcdi_mon.o ptp.o

			   mcdi.o mcdi_phy.o mcdi_mon.o ptp.o

drivers/net/ethernet/sfc/falcon.c

+536 −1
Original line number Original line Diff line number Diff line
@@ -26,10 +26,200 @@ 
#include "phy.h"

#include "phy.h"

#include "workarounds.h"

#include "workarounds.h"

#include "selftest.h"

#include "selftest.h"

#include "mdio_10g.h"





/* Hardware control for SFC4000 (aka Falcon). */

/* Hardware control for SFC4000 (aka Falcon). */





/**************************************************************************

 *

 * MAC stats DMA format

 *

 **************************************************************************

 */



#define FALCON_MAC_STATS_SIZE 0x100



#define XgRxOctets_offset 0x0

#define XgRxOctets_WIDTH 48

#define XgRxOctetsOK_offset 0x8

#define XgRxOctetsOK_WIDTH 48

#define XgRxPkts_offset 0x10

#define XgRxPkts_WIDTH 32

#define XgRxPktsOK_offset 0x14

#define XgRxPktsOK_WIDTH 32

#define XgRxBroadcastPkts_offset 0x18

#define XgRxBroadcastPkts_WIDTH 32

#define XgRxMulticastPkts_offset 0x1C

#define XgRxMulticastPkts_WIDTH 32

#define XgRxUnicastPkts_offset 0x20

#define XgRxUnicastPkts_WIDTH 32

#define XgRxUndersizePkts_offset 0x24

#define XgRxUndersizePkts_WIDTH 32

#define XgRxOversizePkts_offset 0x28

#define XgRxOversizePkts_WIDTH 32

#define XgRxJabberPkts_offset 0x2C

#define XgRxJabberPkts_WIDTH 32

#define XgRxUndersizeFCSerrorPkts_offset 0x30

#define XgRxUndersizeFCSerrorPkts_WIDTH 32

#define XgRxDropEvents_offset 0x34

#define XgRxDropEvents_WIDTH 32

#define XgRxFCSerrorPkts_offset 0x38

#define XgRxFCSerrorPkts_WIDTH 32

#define XgRxAlignError_offset 0x3C

#define XgRxAlignError_WIDTH 32

#define XgRxSymbolError_offset 0x40

#define XgRxSymbolError_WIDTH 32

#define XgRxInternalMACError_offset 0x44

#define XgRxInternalMACError_WIDTH 32

#define XgRxControlPkts_offset 0x48

#define XgRxControlPkts_WIDTH 32

#define XgRxPausePkts_offset 0x4C

#define XgRxPausePkts_WIDTH 32

#define XgRxPkts64Octets_offset 0x50

#define XgRxPkts64Octets_WIDTH 32

#define XgRxPkts65to127Octets_offset 0x54

#define XgRxPkts65to127Octets_WIDTH 32

#define XgRxPkts128to255Octets_offset 0x58

#define XgRxPkts128to255Octets_WIDTH 32

#define XgRxPkts256to511Octets_offset 0x5C

#define XgRxPkts256to511Octets_WIDTH 32

#define XgRxPkts512to1023Octets_offset 0x60

#define XgRxPkts512to1023Octets_WIDTH 32

#define XgRxPkts1024to15xxOctets_offset 0x64

#define XgRxPkts1024to15xxOctets_WIDTH 32

#define XgRxPkts15xxtoMaxOctets_offset 0x68

#define XgRxPkts15xxtoMaxOctets_WIDTH 32

#define XgRxLengthError_offset 0x6C

#define XgRxLengthError_WIDTH 32

#define XgTxPkts_offset 0x80

#define XgTxPkts_WIDTH 32

#define XgTxOctets_offset 0x88

#define XgTxOctets_WIDTH 48

#define XgTxMulticastPkts_offset 0x90

#define XgTxMulticastPkts_WIDTH 32

#define XgTxBroadcastPkts_offset 0x94

#define XgTxBroadcastPkts_WIDTH 32

#define XgTxUnicastPkts_offset 0x98

#define XgTxUnicastPkts_WIDTH 32

#define XgTxControlPkts_offset 0x9C

#define XgTxControlPkts_WIDTH 32

#define XgTxPausePkts_offset 0xA0

#define XgTxPausePkts_WIDTH 32

#define XgTxPkts64Octets_offset 0xA4

#define XgTxPkts64Octets_WIDTH 32

#define XgTxPkts65to127Octets_offset 0xA8

#define XgTxPkts65to127Octets_WIDTH 32

#define XgTxPkts128to255Octets_offset 0xAC

#define XgTxPkts128to255Octets_WIDTH 32

#define XgTxPkts256to511Octets_offset 0xB0

#define XgTxPkts256to511Octets_WIDTH 32

#define XgTxPkts512to1023Octets_offset 0xB4

#define XgTxPkts512to1023Octets_WIDTH 32

#define XgTxPkts1024to15xxOctets_offset 0xB8

#define XgTxPkts1024to15xxOctets_WIDTH 32

#define XgTxPkts1519toMaxOctets_offset 0xBC

#define XgTxPkts1519toMaxOctets_WIDTH 32

#define XgTxUndersizePkts_offset 0xC0

#define XgTxUndersizePkts_WIDTH 32

#define XgTxOversizePkts_offset 0xC4

#define XgTxOversizePkts_WIDTH 32

#define XgTxNonTcpUdpPkt_offset 0xC8

#define XgTxNonTcpUdpPkt_WIDTH 16

#define XgTxMacSrcErrPkt_offset 0xCC

#define XgTxMacSrcErrPkt_WIDTH 16

#define XgTxIpSrcErrPkt_offset 0xD0

#define XgTxIpSrcErrPkt_WIDTH 16

#define XgDmaDone_offset 0xD4

#define XgDmaDone_WIDTH 32



#define FALCON_STATS_NOT_DONE 0x00000000

#define FALCON_STATS_DONE 0xffffffff



#define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)

#define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)



/* Retrieve statistic from statistics block */

#define FALCON_STAT(efx, falcon_stat, efx_stat) do {		\

	if (FALCON_STAT_WIDTH(falcon_stat) == 16)		\

		(efx)->mac_stats.efx_stat += le16_to_cpu(	\

			*((__force __le16 *)				\

			  (efx->stats_buffer.addr +		\

			   FALCON_STAT_OFFSET(falcon_stat))));	\

	else if (FALCON_STAT_WIDTH(falcon_stat) == 32)		\

		(efx)->mac_stats.efx_stat += le32_to_cpu(	\

			*((__force __le32 *)				\

			  (efx->stats_buffer.addr +		\

			   FALCON_STAT_OFFSET(falcon_stat))));	\

	else							\

		(efx)->mac_stats.efx_stat += le64_to_cpu(	\

			*((__force __le64 *)				\

			  (efx->stats_buffer.addr +		\

			   FALCON_STAT_OFFSET(falcon_stat))));	\

	} while (0)



/**************************************************************************

 *

 * Non-volatile configuration

 *

 **************************************************************************

 */



/* Board configuration v2 (v1 is obsolete; later versions are compatible) */

struct falcon_nvconfig_board_v2 {

	__le16 nports;

	u8 port0_phy_addr;

	u8 port0_phy_type;

	u8 port1_phy_addr;

	u8 port1_phy_type;

	__le16 asic_sub_revision;

	__le16 board_revision;

} __packed;



/* Board configuration v3 extra information */

struct falcon_nvconfig_board_v3 {

	__le32 spi_device_type[2];

} __packed;



/* Bit numbers for spi_device_type */

#define SPI_DEV_TYPE_SIZE_LBN 0

#define SPI_DEV_TYPE_SIZE_WIDTH 5

#define SPI_DEV_TYPE_ADDR_LEN_LBN 6

#define SPI_DEV_TYPE_ADDR_LEN_WIDTH 2

#define SPI_DEV_TYPE_ERASE_CMD_LBN 8

#define SPI_DEV_TYPE_ERASE_CMD_WIDTH 8

#define SPI_DEV_TYPE_ERASE_SIZE_LBN 16

#define SPI_DEV_TYPE_ERASE_SIZE_WIDTH 5

#define SPI_DEV_TYPE_BLOCK_SIZE_LBN 24

#define SPI_DEV_TYPE_BLOCK_SIZE_WIDTH 5

#define SPI_DEV_TYPE_FIELD(type, field)					\

	(((type) >> EFX_LOW_BIT(field)) & EFX_MASK32(EFX_WIDTH(field)))



#define FALCON_NVCONFIG_OFFSET 0x300



#define FALCON_NVCONFIG_BOARD_MAGIC_NUM 0xFA1C

struct falcon_nvconfig {

	efx_oword_t ee_vpd_cfg_reg;			/* 0x300 */

	u8 mac_address[2][8];			/* 0x310 */

	efx_oword_t pcie_sd_ctl0123_reg;		/* 0x320 */

	efx_oword_t pcie_sd_ctl45_reg;			/* 0x330 */

	efx_oword_t pcie_pcs_ctl_stat_reg;		/* 0x340 */

	efx_oword_t hw_init_reg;			/* 0x350 */

	efx_oword_t nic_stat_reg;			/* 0x360 */

	efx_oword_t glb_ctl_reg;			/* 0x370 */

	efx_oword_t srm_cfg_reg;			/* 0x380 */

	efx_oword_t spare_reg;				/* 0x390 */

	__le16 board_magic_num;			/* 0x3A0 */

	__le16 board_struct_ver;

	__le16 board_checksum;

	struct falcon_nvconfig_board_v2 board_v2;

	efx_oword_t ee_base_page_reg;			/* 0x3B0 */

	struct falcon_nvconfig_board_v3 board_v3;	/* 0x3C0 */

} __packed;



/*************************************************************************/



static int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);

static int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);

static void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);





static const unsigned int

static const unsigned int

/* "Large" EEPROM device: Atmel AT25640 or similar

/* "Large" EEPROM device: Atmel AT25640 or similar
@@ -416,6 +606,351 @@ falcon_spi_write(struct efx_nic *efx, const struct efx_spi_device *spi, 
	return rc;

	return rc;

}

}





/**************************************************************************

 *

 * XMAC operations

 *

 **************************************************************************

 */



/* Configure the XAUI driver that is an output from Falcon */

static void falcon_setup_xaui(struct efx_nic *efx)

{

	efx_oword_t sdctl, txdrv;



	/* Move the XAUI into low power, unless there is no PHY, in

	 * which case the XAUI will have to drive a cable. */

	if (efx->phy_type == PHY_TYPE_NONE)

		return;



	efx_reado(efx, &sdctl, FR_AB_XX_SD_CTL);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVD, FFE_AB_XX_SD_CTL_DRV_DEF);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVD, FFE_AB_XX_SD_CTL_DRV_DEF);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVC, FFE_AB_XX_SD_CTL_DRV_DEF);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVC, FFE_AB_XX_SD_CTL_DRV_DEF);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVB, FFE_AB_XX_SD_CTL_DRV_DEF);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVB, FFE_AB_XX_SD_CTL_DRV_DEF);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_HIDRVA, FFE_AB_XX_SD_CTL_DRV_DEF);

	EFX_SET_OWORD_FIELD(sdctl, FRF_AB_XX_LODRVA, FFE_AB_XX_SD_CTL_DRV_DEF);

	efx_writeo(efx, &sdctl, FR_AB_XX_SD_CTL);



	EFX_POPULATE_OWORD_8(txdrv,

			     FRF_AB_XX_DEQD, FFE_AB_XX_TXDRV_DEQ_DEF,

			     FRF_AB_XX_DEQC, FFE_AB_XX_TXDRV_DEQ_DEF,

			     FRF_AB_XX_DEQB, FFE_AB_XX_TXDRV_DEQ_DEF,

			     FRF_AB_XX_DEQA, FFE_AB_XX_TXDRV_DEQ_DEF,

			     FRF_AB_XX_DTXD, FFE_AB_XX_TXDRV_DTX_DEF,

			     FRF_AB_XX_DTXC, FFE_AB_XX_TXDRV_DTX_DEF,

			     FRF_AB_XX_DTXB, FFE_AB_XX_TXDRV_DTX_DEF,

			     FRF_AB_XX_DTXA, FFE_AB_XX_TXDRV_DTX_DEF);

	efx_writeo(efx, &txdrv, FR_AB_XX_TXDRV_CTL);

}



int falcon_reset_xaui(struct efx_nic *efx)

{

	struct falcon_nic_data *nic_data = efx->nic_data;

	efx_oword_t reg;

	int count;



	/* Don't fetch MAC statistics over an XMAC reset */

	WARN_ON(nic_data->stats_disable_count == 0);



	/* Start reset sequence */

	EFX_POPULATE_OWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);

	efx_writeo(efx, &reg, FR_AB_XX_PWR_RST);



	/* Wait up to 10 ms for completion, then reinitialise */

	for (count = 0; count < 1000; count++) {

		efx_reado(efx, &reg, FR_AB_XX_PWR_RST);

		if (EFX_OWORD_FIELD(reg, FRF_AB_XX_RST_XX_EN) == 0 &&

		    EFX_OWORD_FIELD(reg, FRF_AB_XX_SD_RST_ACT) == 0) {

			falcon_setup_xaui(efx);

			return 0;

		}

		udelay(10);

	}

	netif_err(efx, hw, efx->net_dev,

		  "timed out waiting for XAUI/XGXS reset\n");

	return -ETIMEDOUT;

}



static void falcon_ack_status_intr(struct efx_nic *efx)

{

	struct falcon_nic_data *nic_data = efx->nic_data;

	efx_oword_t reg;



	if ((efx_nic_rev(efx) != EFX_REV_FALCON_B0) || LOOPBACK_INTERNAL(efx))

		return;



	/* We expect xgmii faults if the wireside link is down */

	if (!EFX_WORKAROUND_5147(efx) || !efx->link_state.up)

		return;



	/* We can only use this interrupt to signal the negative edge of

	 * xaui_align [we have to poll the positive edge]. */

	if (nic_data->xmac_poll_required)

		return;



	efx_reado(efx, &reg, FR_AB_XM_MGT_INT_MSK);

}



static bool falcon_xgxs_link_ok(struct efx_nic *efx)

{

	efx_oword_t reg;

	bool align_done, link_ok = false;

	int sync_status;



	/* Read link status */

	efx_reado(efx, &reg, FR_AB_XX_CORE_STAT);



	align_done = EFX_OWORD_FIELD(reg, FRF_AB_XX_ALIGN_DONE);

	sync_status = EFX_OWORD_FIELD(reg, FRF_AB_XX_SYNC_STAT);

	if (align_done && (sync_status == FFE_AB_XX_STAT_ALL_LANES))

		link_ok = true;



	/* Clear link status ready for next read */

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_COMMA_DET, FFE_AB_XX_STAT_ALL_LANES);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_CHAR_ERR, FFE_AB_XX_STAT_ALL_LANES);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_DISPERR, FFE_AB_XX_STAT_ALL_LANES);

	efx_writeo(efx, &reg, FR_AB_XX_CORE_STAT);



	return link_ok;

}



static bool falcon_xmac_link_ok(struct efx_nic *efx)

{

	/*

	 * Check MAC's XGXS link status except when using XGMII loopback

	 * which bypasses the XGXS block.

	 * If possible, check PHY's XGXS link status except when using

	 * MAC loopback.

	 */

	return (efx->loopback_mode == LOOPBACK_XGMII ||

		falcon_xgxs_link_ok(efx)) &&

		(!(efx->mdio.mmds & (1 << MDIO_MMD_PHYXS)) ||

		 LOOPBACK_INTERNAL(efx) ||

		 efx_mdio_phyxgxs_lane_sync(efx));

}



static void falcon_reconfigure_xmac_core(struct efx_nic *efx)

{

	unsigned int max_frame_len;

	efx_oword_t reg;

	bool rx_fc = !!(efx->link_state.fc & EFX_FC_RX);

	bool tx_fc = !!(efx->link_state.fc & EFX_FC_TX);



	/* Configure MAC  - cut-thru mode is hard wired on */

	EFX_POPULATE_OWORD_3(reg,

			     FRF_AB_XM_RX_JUMBO_MODE, 1,

			     FRF_AB_XM_TX_STAT_EN, 1,

			     FRF_AB_XM_RX_STAT_EN, 1);

	efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);



	/* Configure TX */

	EFX_POPULATE_OWORD_6(reg,

			     FRF_AB_XM_TXEN, 1,

			     FRF_AB_XM_TX_PRMBL, 1,

			     FRF_AB_XM_AUTO_PAD, 1,

			     FRF_AB_XM_TXCRC, 1,

			     FRF_AB_XM_FCNTL, tx_fc,

			     FRF_AB_XM_IPG, 0x3);

	efx_writeo(efx, &reg, FR_AB_XM_TX_CFG);



	/* Configure RX */

	EFX_POPULATE_OWORD_5(reg,

			     FRF_AB_XM_RXEN, 1,

			     FRF_AB_XM_AUTO_DEPAD, 0,

			     FRF_AB_XM_ACPT_ALL_MCAST, 1,

			     FRF_AB_XM_ACPT_ALL_UCAST, efx->promiscuous,

			     FRF_AB_XM_PASS_CRC_ERR, 1);

	efx_writeo(efx, &reg, FR_AB_XM_RX_CFG);



	/* Set frame length */

	max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);

	EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len);

	efx_writeo(efx, &reg, FR_AB_XM_RX_PARAM);

	EFX_POPULATE_OWORD_2(reg,

			     FRF_AB_XM_MAX_TX_FRM_SIZE, max_frame_len,

			     FRF_AB_XM_TX_JUMBO_MODE, 1);

	efx_writeo(efx, &reg, FR_AB_XM_TX_PARAM);



	EFX_POPULATE_OWORD_2(reg,

			     FRF_AB_XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */

			     FRF_AB_XM_DIS_FCNTL, !rx_fc);

	efx_writeo(efx, &reg, FR_AB_XM_FC);



	/* Set MAC address */

	memcpy(&reg, &efx->net_dev->dev_addr[0], 4);

	efx_writeo(efx, &reg, FR_AB_XM_ADR_LO);

	memcpy(&reg, &efx->net_dev->dev_addr[4], 2);

	efx_writeo(efx, &reg, FR_AB_XM_ADR_HI);

}



static void falcon_reconfigure_xgxs_core(struct efx_nic *efx)

{

	efx_oword_t reg;

	bool xgxs_loopback = (efx->loopback_mode == LOOPBACK_XGXS);

	bool xaui_loopback = (efx->loopback_mode == LOOPBACK_XAUI);

	bool xgmii_loopback = (efx->loopback_mode == LOOPBACK_XGMII);



	/* XGXS block is flaky and will need to be reset if moving

	 * into our out of XGMII, XGXS or XAUI loopbacks. */

	if (EFX_WORKAROUND_5147(efx)) {

		bool old_xgmii_loopback, old_xgxs_loopback, old_xaui_loopback;

		bool reset_xgxs;



		efx_reado(efx, &reg, FR_AB_XX_CORE_STAT);

		old_xgxs_loopback = EFX_OWORD_FIELD(reg, FRF_AB_XX_XGXS_LB_EN);

		old_xgmii_loopback =

			EFX_OWORD_FIELD(reg, FRF_AB_XX_XGMII_LB_EN);



		efx_reado(efx, &reg, FR_AB_XX_SD_CTL);

		old_xaui_loopback = EFX_OWORD_FIELD(reg, FRF_AB_XX_LPBKA);



		/* The PHY driver may have turned XAUI off */

		reset_xgxs = ((xgxs_loopback != old_xgxs_loopback) ||

			      (xaui_loopback != old_xaui_loopback) ||

			      (xgmii_loopback != old_xgmii_loopback));



		if (reset_xgxs)

			falcon_reset_xaui(efx);

	}



	efx_reado(efx, &reg, FR_AB_XX_CORE_STAT);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_FORCE_SIG,

			    (xgxs_loopback || xaui_loopback) ?

			    FFE_AB_XX_FORCE_SIG_ALL_LANES : 0);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_XGXS_LB_EN, xgxs_loopback);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_XGMII_LB_EN, xgmii_loopback);

	efx_writeo(efx, &reg, FR_AB_XX_CORE_STAT);



	efx_reado(efx, &reg, FR_AB_XX_SD_CTL);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKD, xaui_loopback);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKC, xaui_loopback);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKB, xaui_loopback);

	EFX_SET_OWORD_FIELD(reg, FRF_AB_XX_LPBKA, xaui_loopback);

	efx_writeo(efx, &reg, FR_AB_XX_SD_CTL);

}





/* Try to bring up the Falcon side of the Falcon-Phy XAUI link */

static bool falcon_xmac_link_ok_retry(struct efx_nic *efx, int tries)

{

	bool mac_up = falcon_xmac_link_ok(efx);



	if (LOOPBACK_MASK(efx) & LOOPBACKS_EXTERNAL(efx) & LOOPBACKS_WS ||

	    efx_phy_mode_disabled(efx->phy_mode))

		/* XAUI link is expected to be down */

		return mac_up;



	falcon_stop_nic_stats(efx);



	while (!mac_up && tries) {

		netif_dbg(efx, hw, efx->net_dev, "bashing xaui\n");

		falcon_reset_xaui(efx);

		udelay(200);



		mac_up = falcon_xmac_link_ok(efx);

		--tries;

	}



	falcon_start_nic_stats(efx);



	return mac_up;

}



static bool falcon_xmac_check_fault(struct efx_nic *efx)

{

	return !falcon_xmac_link_ok_retry(efx, 5);

}



static int falcon_reconfigure_xmac(struct efx_nic *efx)

{

	struct falcon_nic_data *nic_data = efx->nic_data;



	falcon_reconfigure_xgxs_core(efx);

	falcon_reconfigure_xmac_core(efx);



	falcon_reconfigure_mac_wrapper(efx);



	nic_data->xmac_poll_required = !falcon_xmac_link_ok_retry(efx, 5);

	falcon_ack_status_intr(efx);



	return 0;

}



static void falcon_update_stats_xmac(struct efx_nic *efx)

{

	struct efx_mac_stats *mac_stats = &efx->mac_stats;



	/* Update MAC stats from DMAed values */

	FALCON_STAT(efx, XgRxOctets, rx_bytes);

	FALCON_STAT(efx, XgRxOctetsOK, rx_good_bytes);

	FALCON_STAT(efx, XgRxPkts, rx_packets);

	FALCON_STAT(efx, XgRxPktsOK, rx_good);

	FALCON_STAT(efx, XgRxBroadcastPkts, rx_broadcast);

	FALCON_STAT(efx, XgRxMulticastPkts, rx_multicast);

	FALCON_STAT(efx, XgRxUnicastPkts, rx_unicast);

	FALCON_STAT(efx, XgRxUndersizePkts, rx_lt64);

	FALCON_STAT(efx, XgRxOversizePkts, rx_gtjumbo);

	FALCON_STAT(efx, XgRxJabberPkts, rx_bad_gtjumbo);

	FALCON_STAT(efx, XgRxUndersizeFCSerrorPkts, rx_bad_lt64);

	FALCON_STAT(efx, XgRxDropEvents, rx_overflow);

	FALCON_STAT(efx, XgRxFCSerrorPkts, rx_bad);

	FALCON_STAT(efx, XgRxAlignError, rx_align_error);

	FALCON_STAT(efx, XgRxSymbolError, rx_symbol_error);

	FALCON_STAT(efx, XgRxInternalMACError, rx_internal_error);

	FALCON_STAT(efx, XgRxControlPkts, rx_control);

	FALCON_STAT(efx, XgRxPausePkts, rx_pause);

	FALCON_STAT(efx, XgRxPkts64Octets, rx_64);

	FALCON_STAT(efx, XgRxPkts65to127Octets, rx_65_to_127);

	FALCON_STAT(efx, XgRxPkts128to255Octets, rx_128_to_255);

	FALCON_STAT(efx, XgRxPkts256to511Octets, rx_256_to_511);

	FALCON_STAT(efx, XgRxPkts512to1023Octets, rx_512_to_1023);

	FALCON_STAT(efx, XgRxPkts1024to15xxOctets, rx_1024_to_15xx);

	FALCON_STAT(efx, XgRxPkts15xxtoMaxOctets, rx_15xx_to_jumbo);

	FALCON_STAT(efx, XgRxLengthError, rx_length_error);

	FALCON_STAT(efx, XgTxPkts, tx_packets);

	FALCON_STAT(efx, XgTxOctets, tx_bytes);

	FALCON_STAT(efx, XgTxMulticastPkts, tx_multicast);

	FALCON_STAT(efx, XgTxBroadcastPkts, tx_broadcast);

	FALCON_STAT(efx, XgTxUnicastPkts, tx_unicast);

	FALCON_STAT(efx, XgTxControlPkts, tx_control);

	FALCON_STAT(efx, XgTxPausePkts, tx_pause);

	FALCON_STAT(efx, XgTxPkts64Octets, tx_64);

	FALCON_STAT(efx, XgTxPkts65to127Octets, tx_65_to_127);

	FALCON_STAT(efx, XgTxPkts128to255Octets, tx_128_to_255);

	FALCON_STAT(efx, XgTxPkts256to511Octets, tx_256_to_511);

	FALCON_STAT(efx, XgTxPkts512to1023Octets, tx_512_to_1023);

	FALCON_STAT(efx, XgTxPkts1024to15xxOctets, tx_1024_to_15xx);

	FALCON_STAT(efx, XgTxPkts1519toMaxOctets, tx_15xx_to_jumbo);

	FALCON_STAT(efx, XgTxUndersizePkts, tx_lt64);

	FALCON_STAT(efx, XgTxOversizePkts, tx_gtjumbo);

	FALCON_STAT(efx, XgTxNonTcpUdpPkt, tx_non_tcpudp);

	FALCON_STAT(efx, XgTxMacSrcErrPkt, tx_mac_src_error);

	FALCON_STAT(efx, XgTxIpSrcErrPkt, tx_ip_src_error);



	/* Update derived statistics */

	efx_update_diff_stat(&mac_stats->tx_good_bytes,

			     mac_stats->tx_bytes - mac_stats->tx_bad_bytes -

			     mac_stats->tx_control * 64);

	efx_update_diff_stat(&mac_stats->rx_bad_bytes,

			     mac_stats->rx_bytes - mac_stats->rx_good_bytes -

			     mac_stats->rx_control * 64);

}



static void falcon_poll_xmac(struct efx_nic *efx)

{

	struct falcon_nic_data *nic_data = efx->nic_data;



	if (!EFX_WORKAROUND_5147(efx) || !efx->link_state.up ||

	    !nic_data->xmac_poll_required)

		return;



	nic_data->xmac_poll_required = !falcon_xmac_link_ok_retry(efx, 1);

	falcon_ack_status_intr(efx);

}



/**************************************************************************

/**************************************************************************

 *

 *

 * MAC wrapper

 * MAC wrapper
@@ -529,7 +1064,7 @@ static void falcon_deconfigure_mac_wrapper(struct efx_nic *efx) 
	falcon_drain_tx_fifo(efx);

	falcon_drain_tx_fifo(efx);

}

}





void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)

static void falcon_reconfigure_mac_wrapper(struct efx_nic *efx)

{

{

	struct efx_link_state *link_state = &efx->link_state;

	struct efx_link_state *link_state = &efx->link_state;

	efx_oword_t reg;

	efx_oword_t reg;

drivers/net/ethernet/sfc/falcon_xmac.c

deleted100644 → 0
+0 −362

File deleted.

Preview size limit exceeded, changes collapsed.

drivers/net/ethernet/sfc/nic.h

+1 −42
Original line number Original line Diff line number Diff line
@@ -297,12 +297,6 @@ extern int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota); 
extern void efx_nic_eventq_read_ack(struct efx_channel *channel);

extern void efx_nic_eventq_read_ack(struct efx_channel *channel);

extern bool efx_nic_event_present(struct efx_channel *channel);

extern bool efx_nic_event_present(struct efx_channel *channel);





/* MAC/PHY */

extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);

extern bool falcon_xmac_check_fault(struct efx_nic *efx);

extern int falcon_reconfigure_xmac(struct efx_nic *efx);

extern void falcon_update_stats_xmac(struct efx_nic *efx);



/* Some statistics are computed as A - B where A and B each increase

/* Some statistics are computed as A - B where A and B each increase

 * linearly with some hardware counter(s) and the counters are read

 * linearly with some hardware counter(s) and the counters are read

 * asynchronously.  If the counters contributing to B are always read

 * asynchronously.  If the counters contributing to B are always read
@@ -347,7 +341,6 @@ extern void siena_prepare_flush(struct efx_nic *efx); 
extern void siena_finish_flush(struct efx_nic *efx);

extern void siena_finish_flush(struct efx_nic *efx);

extern void falcon_start_nic_stats(struct efx_nic *efx);

extern void falcon_start_nic_stats(struct efx_nic *efx);

extern void falcon_stop_nic_stats(struct efx_nic *efx);

extern void falcon_stop_nic_stats(struct efx_nic *efx);

extern void falcon_setup_xaui(struct efx_nic *efx);

extern int falcon_reset_xaui(struct efx_nic *efx);

extern int falcon_reset_xaui(struct efx_nic *efx);

extern void

extern void

efx_nic_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);

efx_nic_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
@@ -370,43 +363,9 @@ extern int efx_nic_test_registers(struct efx_nic *efx, 
extern size_t efx_nic_get_regs_len(struct efx_nic *efx);

extern size_t efx_nic_get_regs_len(struct efx_nic *efx);

extern void efx_nic_get_regs(struct efx_nic *efx, void *buf);

extern void efx_nic_get_regs(struct efx_nic *efx, void *buf);





/**************************************************************************

#define EFX_MAX_FLUSH_TIME 5000

 *

 * Falcon MAC stats

 *

 **************************************************************************

 */



#define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)

#define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)



/* Retrieve statistic from statistics block */

#define FALCON_STAT(efx, falcon_stat, efx_stat) do {		\

	if (FALCON_STAT_WIDTH(falcon_stat) == 16)		\

		(efx)->mac_stats.efx_stat += le16_to_cpu(	\

			*((__force __le16 *)				\

			  (efx->stats_buffer.addr +		\

			   FALCON_STAT_OFFSET(falcon_stat))));	\

	else if (FALCON_STAT_WIDTH(falcon_stat) == 32)		\

		(efx)->mac_stats.efx_stat += le32_to_cpu(	\

			*((__force __le32 *)				\

			  (efx->stats_buffer.addr +		\

			   FALCON_STAT_OFFSET(falcon_stat))));	\

	else							\

		(efx)->mac_stats.efx_stat += le64_to_cpu(	\

			*((__force __le64 *)				\

			  (efx->stats_buffer.addr +		\

			   FALCON_STAT_OFFSET(falcon_stat))));	\

	} while (0)



#define FALCON_MAC_STATS_SIZE 0x100



#define MAC_DATA_LBN 0

#define MAC_DATA_WIDTH 32





extern void efx_generate_event(struct efx_nic *efx, unsigned int evq,

extern void efx_generate_event(struct efx_nic *efx, unsigned int evq,

			       efx_qword_t *event);

			       efx_qword_t *event);





extern void falcon_poll_xmac(struct efx_nic *efx);



#endif /* EFX_NIC_H */
 
#endif /* EFX_NIC_H */

drivers/net/ethernet/sfc/regs.h

+0 −260

File changed.

Preview size limit exceeded, changes collapsed.