| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Tom Lendacky | 4503 | 99.82% | 75 | 93.75% |
| Florian Westphal | 3 | 0.07% | 1 | 1.25% |
| Stephen Hemminger | 2 | 0.04% | 1 | 1.25% |
| Richard Cochran | 1 | 0.02% | 1 | 1.25% |
| Joe Perches | 1 | 0.02% | 1 | 1.25% |
| Masahiro Yamada | 1 | 0.02% | 1 | 1.25% |
| Total | 4511 | 80 |
/* * AMD 10Gb Ethernet driver * * This file is available to you under your choice of the following two * licenses: * * License 1: GPLv2 * * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. * * This file is free software; you may copy, redistribute and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or (at * your option) any later version. * * This file 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, see <http://www.gnu.org/licenses/>. * * This file incorporates work covered by the following copyright and * permission notice: * The Synopsys DWC ETHER XGMAC Software Driver and documentation * (hereinafter "Software") is an unsupported proprietary work of Synopsys, * Inc. unless otherwise expressly agreed to in writing between Synopsys * and you. * * The Software IS NOT an item of Licensed Software or Licensed Product * under any End User Software License Agreement or Agreement for Licensed * Product with Synopsys or any supplement thereto. Permission is hereby * granted, free of charge, to any person obtaining a copy of this software * annotated with this license and the Software, to deal in the Software * without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * * License 2: Modified BSD * * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Advanced Micro Devices, Inc. nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This file incorporates work covered by the following copyright and * permission notice: * The Synopsys DWC ETHER XGMAC Software Driver and documentation * (hereinafter "Software") is an unsupported proprietary work of Synopsys, * Inc. unless otherwise expressly agreed to in writing between Synopsys * and you. * * The Software IS NOT an item of Licensed Software or Licensed Product * under any End User Software License Agreement or Agreement for Licensed * Product with Synopsys or any supplement thereto. Permission is hereby * granted, free of charge, to any person obtaining a copy of this software * annotated with this license and the Software, to deal in the Software * without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __XGBE_H__ #define __XGBE_H__ #include <linux/dma-mapping.h> #include <linux/netdevice.h> #include <linux/workqueue.h> #include <linux/phy.h> #include <linux/if_vlan.h> #include <linux/bitops.h> #include <linux/ptp_clock_kernel.h> #include <linux/timecounter.h> #include <linux/net_tstamp.h> #include <net/dcbnl.h> #include <linux/completion.h> #include <linux/cpumask.h> #include <linux/interrupt.h> #include <linux/dcache.h> #include <linux/ethtool.h> #include <linux/list.h> #define XGBE_DRV_NAME "amd-xgbe" #define XGBE_DRV_DESC "AMD 10 Gigabit Ethernet Driver" /* Descriptor related defines */ #define XGBE_TX_DESC_CNT 512 #define XGBE_TX_DESC_MIN_FREE (XGBE_TX_DESC_CNT >> 3) #define XGBE_TX_DESC_MAX_PROC (XGBE_TX_DESC_CNT >> 1) #define XGBE_RX_DESC_CNT 512 #define XGBE_TX_DESC_CNT_MIN 64 #define XGBE_TX_DESC_CNT_MAX 4096 #define XGBE_RX_DESC_CNT_MIN 64 #define XGBE_RX_DESC_CNT_MAX 4096 #define XGBE_TX_MAX_BUF_SIZE (0x3fff & ~(64 - 1)) /* Descriptors required for maximum contiguous TSO/GSO packet */ #define XGBE_TX_MAX_SPLIT ((GSO_MAX_SIZE / XGBE_TX_MAX_BUF_SIZE) + 1) /* Maximum possible descriptors needed for an SKB: * - Maximum number of SKB frags * - Maximum descriptors for contiguous TSO/GSO packet * - Possible context descriptor * - Possible TSO header descriptor */ #define XGBE_TX_MAX_DESCS (MAX_SKB_FRAGS + XGBE_TX_MAX_SPLIT + 2) #define XGBE_RX_MIN_BUF_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN) #define XGBE_RX_BUF_ALIGN 64 #define XGBE_SKB_ALLOC_SIZE 256 #define XGBE_SPH_HDSMS_SIZE 2 /* Keep in sync with SKB_ALLOC_SIZE */ #define XGBE_MAX_DMA_CHANNELS 16 #define XGBE_MAX_QUEUES 16 #define XGBE_PRIORITY_QUEUES 8 #define XGBE_DMA_STOP_TIMEOUT 1 /* DMA cache settings - Outer sharable, write-back, write-allocate */ #define XGBE_DMA_OS_ARCR 0x002b2b2b #define XGBE_DMA_OS_AWCR 0x2f2f2f2f /* DMA cache settings - System, no caches used */ #define XGBE_DMA_SYS_ARCR 0x00303030 #define XGBE_DMA_SYS_AWCR 0x30303030 /* DMA cache settings - PCI device */ #define XGBE_DMA_PCI_ARCR 0x00000003 #define XGBE_DMA_PCI_AWCR 0x13131313 #define XGBE_DMA_PCI_AWARCR 0x00000313 /* DMA channel interrupt modes */ #define XGBE_IRQ_MODE_EDGE 0 #define XGBE_IRQ_MODE_LEVEL 1 #define XGMAC_MIN_PACKET 60 #define XGMAC_STD_PACKET_MTU 1500 #define XGMAC_MAX_STD_PACKET 1518 #define XGMAC_JUMBO_PACKET_MTU 9000 #define XGMAC_MAX_JUMBO_PACKET 9018 #define XGMAC_ETH_PREAMBLE (12 + 8) /* Inter-frame gap + preamble */ #define XGMAC_PFC_DATA_LEN 46 #define XGMAC_PFC_DELAYS 14000 #define XGMAC_PRIO_QUEUES(_cnt) \ min_t(unsigned int, IEEE_8021QAZ_MAX_TCS, (_cnt)) /* Common property names */ #define XGBE_MAC_ADDR_PROPERTY "mac-address" #define XGBE_PHY_MODE_PROPERTY "phy-mode" #define XGBE_DMA_IRQS_PROPERTY "amd,per-channel-interrupt" #define XGBE_SPEEDSET_PROPERTY "amd,speed-set" /* Device-tree clock names */ #define XGBE_DMA_CLOCK "dma_clk" #define XGBE_PTP_CLOCK "ptp_clk" /* ACPI property names */ #define XGBE_ACPI_DMA_FREQ "amd,dma-freq" #define XGBE_ACPI_PTP_FREQ "amd,ptp-freq" /* PCI BAR mapping */ #define XGBE_XGMAC_BAR 0 #define XGBE_XPCS_BAR 1 #define XGBE_MAC_PROP_OFFSET 0x1d000 #define XGBE_I2C_CTRL_OFFSET 0x1e000 /* PCI MSI/MSIx support */ #define XGBE_MSI_BASE_COUNT 4 #define XGBE_MSI_MIN_COUNT (XGBE_MSI_BASE_COUNT + 1) /* PCI clock frequencies */ #define XGBE_V2_DMA_CLOCK_FREQ 500000000 /* 500 MHz */ #define XGBE_V2_PTP_CLOCK_FREQ 125000000 /* 125 MHz */ /* Timestamp support - values based on 50MHz PTP clock * 50MHz => 20 nsec */ #define XGBE_TSTAMP_SSINC 20 #define XGBE_TSTAMP_SNSINC 0 /* Driver PMT macros */ #define XGMAC_DRIVER_CONTEXT 1 #define XGMAC_IOCTL_CONTEXT 2 #define XGMAC_FIFO_MIN_ALLOC 2048 #define XGMAC_FIFO_UNIT 256 #define XGMAC_FIFO_ALIGN(_x) \ (((_x) + XGMAC_FIFO_UNIT - 1) & ~(XGMAC_FIFO_UNIT - 1)) #define XGMAC_FIFO_FC_OFF 2048 #define XGMAC_FIFO_FC_MIN 4096 #define XGBE_TC_MIN_QUANTUM 10 /* Helper macro for descriptor handling * Always use XGBE_GET_DESC_DATA to access the descriptor data * since the index is free-running and needs to be and-ed * with the descriptor count value of the ring to index to * the proper descriptor data. */ #define XGBE_GET_DESC_DATA(_ring, _idx) \ ((_ring)->rdata + \ ((_idx) & ((_ring)->rdesc_count - 1))) /* Default coalescing parameters */ #define XGMAC_INIT_DMA_TX_USECS 1000 #define XGMAC_INIT_DMA_TX_FRAMES 25 #define XGMAC_MAX_DMA_RIWT 0xff #define XGMAC_INIT_DMA_RX_USECS 30 #define XGMAC_INIT_DMA_RX_FRAMES 25 /* Flow control queue count */ #define XGMAC_MAX_FLOW_CONTROL_QUEUES 8 /* Flow control threshold units */ #define XGMAC_FLOW_CONTROL_UNIT 512 #define XGMAC_FLOW_CONTROL_ALIGN(_x) \ (((_x) + XGMAC_FLOW_CONTROL_UNIT - 1) & ~(XGMAC_FLOW_CONTROL_UNIT - 1)) #define XGMAC_FLOW_CONTROL_VALUE(_x) \ (((_x) < 1024) ? 0 : ((_x) / XGMAC_FLOW_CONTROL_UNIT) - 2) #define XGMAC_FLOW_CONTROL_MAX 33280 /* Maximum MAC address hash table size (256 bits = 8 bytes) */ #define XGBE_MAC_HASH_TABLE_SIZE 8 /* Receive Side Scaling */ #define XGBE_RSS_HASH_KEY_SIZE 40 #define XGBE_RSS_MAX_TABLE_SIZE 256 #define XGBE_RSS_LOOKUP_TABLE_TYPE 0 #define XGBE_RSS_HASH_KEY_TYPE 1 /* Auto-negotiation */ #define XGBE_AN_MS_TIMEOUT 500 #define XGBE_LINK_TIMEOUT 5 #define XGBE_SGMII_AN_LINK_STATUS BIT(1) #define XGBE_SGMII_AN_LINK_SPEED (BIT(2) | BIT(3)) #define XGBE_SGMII_AN_LINK_SPEED_100 0x04 #define XGBE_SGMII_AN_LINK_SPEED_1000 0x08 #define XGBE_SGMII_AN_LINK_DUPLEX BIT(4) /* ECC correctable error notification window (seconds) */ #define XGBE_ECC_LIMIT 60 /* MDIO port types */ #define XGMAC_MAX_C22_PORT 3 /* Link mode bit operations */ #define XGBE_ZERO_SUP(_ls) \ ethtool_link_ksettings_zero_link_mode((_ls), supported) #define XGBE_SET_SUP(_ls, _mode) \ ethtool_link_ksettings_add_link_mode((_ls), supported, _mode) #define XGBE_CLR_SUP(_ls, _mode) \ ethtool_link_ksettings_del_link_mode((_ls), supported, _mode) #define XGBE_IS_SUP(_ls, _mode) \ ethtool_link_ksettings_test_link_mode((_ls), supported, _mode) #define XGBE_ZERO_ADV(_ls) \ ethtool_link_ksettings_zero_link_mode((_ls), advertising) #define XGBE_SET_ADV(_ls, _mode) \ ethtool_link_ksettings_add_link_mode((_ls), advertising, _mode) #define XGBE_CLR_ADV(_ls, _mode) \ ethtool_link_ksettings_del_link_mode((_ls), advertising, _mode) #define XGBE_ADV(_ls, _mode) \ ethtool_link_ksettings_test_link_mode((_ls), advertising, _mode) #define XGBE_ZERO_LP_ADV(_ls) \ ethtool_link_ksettings_zero_link_mode((_ls), lp_advertising) #define XGBE_SET_LP_ADV(_ls, _mode) \ ethtool_link_ksettings_add_link_mode((_ls), lp_advertising, _mode) #define XGBE_CLR_LP_ADV(_ls, _mode) \ ethtool_link_ksettings_del_link_mode((_ls), lp_advertising, _mode) #define XGBE_LP_ADV(_ls, _mode) \ ethtool_link_ksettings_test_link_mode((_ls), lp_advertising, _mode) #define XGBE_LM_COPY(_dst, _dname, _src, _sname) \ bitmap_copy((_dst)->link_modes._dname, \ (_src)->link_modes._sname, \ __ETHTOOL_LINK_MODE_MASK_NBITS) struct xgbe_prv_data; struct xgbe_packet_data { struct sk_buff *skb; unsigned int attributes; unsigned int errors; unsigned int rdesc_count; unsigned int length; unsigned int header_len; unsigned int tcp_header_len; unsigned int tcp_payload_len; unsigned short mss; unsigned short vlan_ctag; u64 rx_tstamp; u32 rss_hash; enum pkt_hash_types rss_hash_type; unsigned int tx_packets; unsigned int tx_bytes; }; /* Common Rx and Tx descriptor mapping */ struct xgbe_ring_desc { __le32 desc0; __le32 desc1; __le32 desc2; __le32 desc3; }; /* Page allocation related values */ struct xgbe_page_alloc { struct page *pages; unsigned int pages_len; unsigned int pages_offset; dma_addr_t pages_dma; }; /* Ring entry buffer data */ struct xgbe_buffer_data { struct xgbe_page_alloc pa; struct xgbe_page_alloc pa_unmap; dma_addr_t dma_base; unsigned long dma_off; unsigned int dma_len; }; /* Tx-related ring data */ struct xgbe_tx_ring_data { unsigned int packets; /* BQL packet count */ unsigned int bytes; /* BQL byte count */ }; /* Rx-related ring data */ struct xgbe_rx_ring_data { struct xgbe_buffer_data hdr; /* Header locations */ struct xgbe_buffer_data buf; /* Payload locations */ unsigned short hdr_len; /* Length of received header */ unsigned short len; /* Length of received packet */ }; /* Structure used to hold information related to the descriptor * and the packet associated with the descriptor (always use * use the XGBE_GET_DESC_DATA macro to access this data from the ring) */ struct xgbe_ring_data { struct xgbe_ring_desc *rdesc; /* Virtual address of descriptor */ dma_addr_t rdesc_dma; /* DMA address of descriptor */ struct sk_buff *skb; /* Virtual address of SKB */ dma_addr_t skb_dma; /* DMA address of SKB data */ unsigned int skb_dma_len; /* Length of SKB DMA area */ struct xgbe_tx_ring_data tx; /* Tx-related data */ struct xgbe_rx_ring_data rx; /* Rx-related data */ unsigned int mapped_as_page; /* Incomplete receive save location. If the budget is exhausted * or the last descriptor (last normal descriptor or a following * context descriptor) has not been DMA'd yet the current state * of the receive processing needs to be saved. */ unsigned int state_saved; struct { struct sk_buff *skb; unsigned int len; unsigned int error; } state; }; struct xgbe_ring { /* Ring lock - used just for TX rings at the moment */ spinlock_t lock; /* Per packet related information */ struct xgbe_packet_data packet_data; /* Virtual/DMA addresses and count of allocated descriptor memory */ struct xgbe_ring_desc *rdesc; dma_addr_t rdesc_dma; unsigned int rdesc_count; /* Array of descriptor data corresponding the descriptor memory * (always use the XGBE_GET_DESC_DATA macro to access this data) */ struct xgbe_ring_data *rdata; /* Page allocation for RX buffers */ struct xgbe_page_alloc rx_hdr_pa; struct xgbe_page_alloc rx_buf_pa; int node; /* Ring index values * cur - Tx: index of descriptor to be used for current transfer * Rx: index of descriptor to check for packet availability * dirty - Tx: index of descriptor to check for transfer complete * Rx: index of descriptor to check for buffer reallocation */ unsigned int cur; unsigned int dirty; /* Coalesce frame count used for interrupt bit setting */ unsigned int coalesce_count; union { struct { unsigned int queue_stopped; unsigned int xmit_more; unsigned short cur_mss; unsigned short cur_vlan_ctag; } tx; }; } ____cacheline_aligned; /* Structure used to describe the descriptor rings associated with * a DMA channel. */ struct xgbe_channel { char name[16]; /* Address of private data area for device */ struct xgbe_prv_data *pdata; /* Queue index and base address of queue's DMA registers */ unsigned int queue_index; void __iomem *dma_regs; /* Per channel interrupt irq number */ int dma_irq; char dma_irq_name[IFNAMSIZ + 32]; /* Netdev related settings */ struct napi_struct napi; /* Per channel interrupt enablement tracker */ unsigned int curr_ier; unsigned int saved_ier; unsigned int tx_timer_active; struct timer_list tx_timer; struct xgbe_ring *tx_ring; struct xgbe_ring *rx_ring; int node; cpumask_t affinity_mask; } ____cacheline_aligned; enum xgbe_state { XGBE_DOWN, XGBE_LINK_INIT, XGBE_LINK_ERR, XGBE_STOPPED, }; enum xgbe_int { XGMAC_INT_DMA_CH_SR_TI, XGMAC_INT_DMA_CH_SR_TPS, XGMAC_INT_DMA_CH_SR_TBU, XGMAC_INT_DMA_CH_SR_RI, XGMAC_INT_DMA_CH_SR_RBU, XGMAC_INT_DMA_CH_SR_RPS, XGMAC_INT_DMA_CH_SR_TI_RI, XGMAC_INT_DMA_CH_SR_FBE, XGMAC_INT_DMA_ALL, }; enum xgbe_int_state { XGMAC_INT_STATE_SAVE, XGMAC_INT_STATE_RESTORE, }; enum xgbe_ecc_sec { XGBE_ECC_SEC_TX, XGBE_ECC_SEC_RX, XGBE_ECC_SEC_DESC, }; enum xgbe_speed { XGBE_SPEED_1000 = 0, XGBE_SPEED_2500, XGBE_SPEED_10000, XGBE_SPEEDS, }; enum xgbe_xpcs_access { XGBE_XPCS_ACCESS_V1 = 0, XGBE_XPCS_ACCESS_V2, }; enum xgbe_an_mode { XGBE_AN_MODE_CL73 = 0, XGBE_AN_MODE_CL73_REDRV, XGBE_AN_MODE_CL37, XGBE_AN_MODE_CL37_SGMII, XGBE_AN_MODE_NONE, }; enum xgbe_an { XGBE_AN_READY = 0, XGBE_AN_PAGE_RECEIVED, XGBE_AN_INCOMPAT_LINK, XGBE_AN_COMPLETE, XGBE_AN_NO_LINK, XGBE_AN_ERROR, }; enum xgbe_rx { XGBE_RX_BPA = 0, XGBE_RX_XNP, XGBE_RX_COMPLETE, XGBE_RX_ERROR, }; enum xgbe_mode { XGBE_MODE_KX_1000 = 0, XGBE_MODE_KX_2500, XGBE_MODE_KR, XGBE_MODE_X, XGBE_MODE_SGMII_100, XGBE_MODE_SGMII_1000, XGBE_MODE_SFI, XGBE_MODE_UNKNOWN, }; enum xgbe_speedset { XGBE_SPEEDSET_1000_10000 = 0, XGBE_SPEEDSET_2500_10000, }; enum xgbe_mdio_mode { XGBE_MDIO_MODE_NONE = 0, XGBE_MDIO_MODE_CL22, XGBE_MDIO_MODE_CL45, }; struct xgbe_phy { struct ethtool_link_ksettings lks; int address; int autoneg; int speed; int duplex; int link; int pause_autoneg; int tx_pause; int rx_pause; }; enum xgbe_i2c_cmd { XGBE_I2C_CMD_READ = 0, XGBE_I2C_CMD_WRITE, }; struct xgbe_i2c_op { enum xgbe_i2c_cmd cmd; unsigned int target; void *buf; unsigned int len; }; struct xgbe_i2c_op_state { struct xgbe_i2c_op *op; unsigned int tx_len; unsigned char *tx_buf; unsigned int rx_len; unsigned char *rx_buf; unsigned int tx_abort_source; int ret; }; struct xgbe_i2c { unsigned int started; unsigned int max_speed_mode; unsigned int rx_fifo_size; unsigned int tx_fifo_size; struct xgbe_i2c_op_state op_state; }; struct xgbe_mmc_stats { /* Tx Stats */ u64 txoctetcount_gb; u64 txframecount_gb; u64 txbroadcastframes_g; u64 txmulticastframes_g; u64 tx64octets_gb; u64 tx65to127octets_gb; u64 tx128to255octets_gb; u64 tx256to511octets_gb; u64 tx512to1023octets_gb; u64 tx1024tomaxoctets_gb; u64 txunicastframes_gb; u64 txmulticastframes_gb; u64 txbroadcastframes_gb; u64 txunderflowerror; u64 txoctetcount_g; u64 txframecount_g; u64 txpauseframes; u64 txvlanframes_g; /* Rx Stats */ u64 rxframecount_gb; u64 rxoctetcount_gb; u64 rxoctetcount_g; u64 rxbroadcastframes_g; u64 rxmulticastframes_g; u64 rxcrcerror; u64 rxrunterror; u64 rxjabbererror; u64 rxundersize_g; u64 rxoversize_g; u64 rx64octets_gb; u64 rx65to127octets_gb; u64 rx128to255octets_gb; u64 rx256to511octets_gb; u64 rx512to1023octets_gb; u64 rx1024tomaxoctets_gb; u64 rxunicastframes_g; u64 rxlengtherror; u64 rxoutofrangetype; u64 rxpauseframes; u64 rxfifooverflow; u64 rxvlanframes_gb; u64 rxwatchdogerror; }; struct xgbe_ext_stats { u64 tx_tso_packets; u64 rx_split_header_packets; u64 rx_buffer_unavailable; u64 txq_packets[XGBE_MAX_DMA_CHANNELS]; u64 txq_bytes[XGBE_MAX_DMA_CHANNELS]; u64 rxq_packets[XGBE_MAX_DMA_CHANNELS]; u64 rxq_bytes[XGBE_MAX_DMA_CHANNELS]; u64 tx_vxlan_packets; u64 rx_vxlan_packets; u64 rx_csum_errors; u64 rx_vxlan_csum_errors; }; struct xgbe_hw_if { int (*tx_complete)(struct xgbe_ring_desc *); int (*set_mac_address)(struct xgbe_prv_data *, u8 *addr); int (*config_rx_mode)(struct xgbe_prv_data *); int (*enable_rx_csum)(struct xgbe_prv_data *); int (*disable_rx_csum)(struct xgbe_prv_data *); int (*enable_rx_vlan_stripping)(struct xgbe_prv_data *); int (*disable_rx_vlan_stripping)(struct xgbe_prv_data *); int (*enable_rx_vlan_filtering)(struct xgbe_prv_data *); int (*disable_rx_vlan_filtering)(struct xgbe_prv_data *); int (*update_vlan_hash_table)(struct xgbe_prv_data *); int (*read_mmd_regs)(struct xgbe_prv_data *, int, int); void (*write_mmd_regs)(struct xgbe_prv_data *, int, int, int); int (*set_speed)(struct xgbe_prv_data *, int); int (*set_ext_mii_mode)(struct xgbe_prv_data *, unsigned int, enum xgbe_mdio_mode); int (*read_ext_mii_regs)(struct xgbe_prv_data *, int, int); int (*write_ext_mii_regs)(struct xgbe_prv_data *, int, int, u16); int (*set_gpio)(struct xgbe_prv_data *, unsigned int); int (*clr_gpio)(struct xgbe_prv_data *, unsigned int); void (*enable_tx)(struct xgbe_prv_data *); void (*disable_tx)(struct xgbe_prv_data *); void (*enable_rx)(struct xgbe_prv_data *); void (*disable_rx)(struct xgbe_prv_data *); void (*powerup_tx)(struct xgbe_prv_data *); void (*powerdown_tx)(struct xgbe_prv_data *); void (*powerup_rx)(struct xgbe_prv_data *); void (*powerdown_rx)(struct xgbe_prv_data *); int (*init)(struct xgbe_prv_data *); int (*exit)(struct xgbe_prv_data *); int (*enable_int)(struct xgbe_channel *, enum xgbe_int); int (*disable_int)(struct xgbe_channel *, enum xgbe_int); void (*dev_xmit)(struct xgbe_channel *); int (*dev_read)(struct xgbe_channel *); void (*tx_desc_init)(struct xgbe_channel *); void (*rx_desc_init)(struct xgbe_channel *); void (*tx_desc_reset)(struct xgbe_ring_data *); void (*rx_desc_reset)(struct xgbe_prv_data *, struct xgbe_ring_data *, unsigned int); int (*is_last_desc)(struct xgbe_ring_desc *); int (*is_context_desc)(struct xgbe_ring_desc *); void (*tx_start_xmit)(struct xgbe_channel *, struct xgbe_ring *); /* For FLOW ctrl */ int (*config_tx_flow_control)(struct xgbe_prv_data *); int (*config_rx_flow_control)(struct xgbe_prv_data *); /* For RX coalescing */ int (*config_rx_coalesce)(struct xgbe_prv_data *); int (*config_tx_coalesce)(struct xgbe_prv_data *); unsigned int (*usec_to_riwt)(struct xgbe_prv_data *, unsigned int); unsigned int (*riwt_to_usec)(struct xgbe_prv_data *, unsigned int); /* For RX and TX threshold config */ int (*config_rx_threshold)(struct xgbe_prv_data *, unsigned int); int (*config_tx_threshold)(struct xgbe_prv_data *, unsigned int); /* For RX and TX Store and Forward Mode config */ int (*config_rsf_mode)(struct xgbe_prv_data *, unsigned int); int (*config_tsf_mode)(struct xgbe_prv_data *, unsigned int); /* For TX DMA Operate on Second Frame config */ int (*config_osp_mode)(struct xgbe_prv_data *); /* For MMC statistics */ void (*rx_mmc_int)(struct xgbe_prv_data *); void (*tx_mmc_int)(struct xgbe_prv_data *); void (*read_mmc_stats)(struct xgbe_prv_data *); /* For Timestamp config */ int (*config_tstamp)(struct xgbe_prv_data *, unsigned int); void (*update_tstamp_addend)(struct xgbe_prv_data *, unsigned int); void (*set_tstamp_time)(struct xgbe_prv_data *, unsigned int sec, unsigned int nsec); u64 (*get_tstamp_time)(struct xgbe_prv_data *); u64 (*get_tx_tstamp)(struct xgbe_prv_data *); /* For Data Center Bridging config */ void (*config_tc)(struct xgbe_prv_data *); void (*config_dcb_tc)(struct xgbe_prv_data *); void (*config_dcb_pfc)(struct xgbe_prv_data *); /* For Receive Side Scaling */ int (*enable_rss)(struct xgbe_prv_data *); int (*disable_rss)(struct xgbe_prv_data *); int (*set_rss_hash_key)(struct xgbe_prv_data *, const u8 *); int (*set_rss_lookup_table)(struct xgbe_prv_data *, const u32 *); /* For ECC */ void (*disable_ecc_ded)(struct xgbe_prv_data *); void (*disable_ecc_sec)(struct xgbe_prv_data *, enum xgbe_ecc_sec); /* For VXLAN */ void (*enable_vxlan)(struct xgbe_prv_data *); void (*disable_vxlan)(struct xgbe_prv_data *); void (*set_vxlan_id)(struct xgbe_prv_data *); }; /* This structure represents implementation specific routines for an * implementation of a PHY. All routines are required unless noted below. * Optional routines: * an_pre, an_post * kr_training_pre, kr_training_post * module_info, module_eeprom */ struct xgbe_phy_impl_if { /* Perform Setup/teardown actions */ int (*init)(struct xgbe_prv_data *); void (*exit)(struct xgbe_prv_data *); /* Perform start/stop specific actions */ int (*reset)(struct xgbe_prv_data *); int (*start)(struct xgbe_prv_data *); void (*stop)(struct xgbe_prv_data *); /* Return the link status */ int (*link_status)(struct xgbe_prv_data *, int *); /* Indicate if a particular speed is valid */ bool (*valid_speed)(struct xgbe_prv_data *, int); /* Check if the specified mode can/should be used */ bool (*use_mode)(struct xgbe_prv_data *, enum xgbe_mode); /* Switch the PHY into various modes */ void (*set_mode)(struct xgbe_prv_data *, enum xgbe_mode); /* Retrieve mode needed for a specific speed */ enum xgbe_mode (*get_mode)(struct xgbe_prv_data *, int); /* Retrieve new/next mode when trying to auto-negotiate */ enum xgbe_mode (*switch_mode)(struct xgbe_prv_data *); /* Retrieve current mode */ enum xgbe_mode (*cur_mode)(struct xgbe_prv_data *); /* Retrieve current auto-negotiation mode */ enum xgbe_an_mode (*an_mode)(struct xgbe_prv_data *); /* Configure auto-negotiation settings */ int (*an_config)(struct xgbe_prv_data *); /* Set/override auto-negotiation advertisement settings */ void (*an_advertising)(struct xgbe_prv_data *, struct ethtool_link_ksettings *); /* Process results of auto-negotiation */ enum xgbe_mode (*an_outcome)(struct xgbe_prv_data *); /* Pre/Post auto-negotiation support */ void (*an_pre)(struct xgbe_prv_data *); void (*an_post)(struct xgbe_prv_data *); /* Pre/Post KR training enablement support */ void (*kr_training_pre)(struct xgbe_prv_data *); void (*kr_training_post)(struct xgbe_prv_data *); /* SFP module related info */ int (*module_info)(struct xgbe_prv_data *pdata, struct ethtool_modinfo *modinfo); int (*module_eeprom)(struct xgbe_prv_data *pdata, struct ethtool_eeprom *eeprom, u8 *data); }; struct xgbe_phy_if { /* For PHY setup/teardown */ int (*phy_init)(struct xgbe_prv_data *); void (*phy_exit)(struct xgbe_prv_data *); /* For PHY support when setting device up/down */ int (*phy_reset)(struct xgbe_prv_data *); int (*phy_start)(struct xgbe_prv_data *); void (*phy_stop)(struct xgbe_prv_data *); /* For PHY support while device is up */ void (*phy_status)(struct xgbe_prv_data *); int (*phy_config_aneg)(struct xgbe_prv_data *); /* For PHY settings validation */ bool (*phy_valid_speed)(struct xgbe_prv_data *, int); /* For single interrupt support */ irqreturn_t (*an_isr)(struct xgbe_prv_data *); /* For ethtool PHY support */ int (*module_info)(struct xgbe_prv_data *pdata, struct ethtool_modinfo *modinfo); int (*module_eeprom)(struct xgbe_prv_data *pdata, struct ethtool_eeprom *eeprom, u8 *data); /* PHY implementation specific services */ struct xgbe_phy_impl_if phy_impl; }; struct xgbe_i2c_if { /* For initial I2C setup */ int (*i2c_init)(struct xgbe_prv_data *); /* For I2C support when setting device up/down */ int (*i2c_start)(struct xgbe_prv_data *); void (*i2c_stop)(struct xgbe_prv_data *); /* For performing I2C operations */ int (*i2c_xfer)(struct xgbe_prv_data *, struct xgbe_i2c_op *); /* For single interrupt support */ irqreturn_t (*i2c_isr)(struct xgbe_prv_data *); }; struct xgbe_desc_if { int (*alloc_ring_resources)(struct xgbe_prv_data *); void (*free_ring_resources)(struct xgbe_prv_data *); int (*map_tx_skb)(struct xgbe_channel *, struct sk_buff *); int (*map_rx_buffer)(struct xgbe_prv_data *, struct xgbe_ring *, struct xgbe_ring_data *); void (*unmap_rdata)(struct xgbe_prv_data *, struct xgbe_ring_data *); void (*wrapper_tx_desc_init)(struct xgbe_prv_data *); void (*wrapper_rx_desc_init)(struct xgbe_prv_data *); }; /* This structure contains flags that indicate what hardware features * or configurations are present in the device. */ struct xgbe_hw_features { /* HW Version */ unsigned int version; /* HW Feature Register0 */ unsigned int gmii; /* 1000 Mbps support */ unsigned int vlhash; /* VLAN Hash Filter */ unsigned int sma; /* SMA(MDIO) Interface */ unsigned int rwk; /* PMT remote wake-up packet */ unsigned int mgk; /* PMT magic packet */ unsigned int mmc; /* RMON module */ unsigned int aoe; /* ARP Offload */ unsigned int ts; /* IEEE 1588-2008 Advanced Timestamp */ unsigned int eee; /* Energy Efficient Ethernet */ unsigned int tx_coe; /* Tx Checksum Offload */ unsigned int rx_coe; /* Rx Checksum Offload */ unsigned int addn_mac; /* Additional MAC Addresses */ unsigned int ts_src; /* Timestamp Source */ unsigned int sa_vlan_ins; /* Source Address or VLAN Insertion */ unsigned int vxn; /* VXLAN/NVGRE */ /* HW Feature Register1 */ unsigned int rx_fifo_size; /* MTL Receive FIFO Size */ unsigned int tx_fifo_size; /* MTL Transmit FIFO Size */ unsigned int adv_ts_hi; /* Advance Timestamping High Word */ unsigned int dma_width; /* DMA width */ unsigned int dcb; /* DCB Feature */ unsigned int sph; /* Split Header Feature */ unsigned int tso; /* TCP Segmentation Offload */ unsigned int dma_debug; /* DMA Debug Registers */ unsigned int rss; /* Receive Side Scaling */ unsigned int tc_cnt; /* Number of Traffic Classes */ unsigned int hash_table_size; /* Hash Table Size */ unsigned int l3l4_filter_num; /* Number of L3-L4 Filters */ /* HW Feature Register2 */ unsigned int rx_q_cnt; /* Number of MTL Receive Queues */ unsigned int tx_q_cnt; /* Number of MTL Transmit Queues */ unsigned int rx_ch_cnt; /* Number of DMA Receive Channels */ unsigned int tx_ch_cnt; /* Number of DMA Transmit Channels */ unsigned int pps_out_num; /* Number of PPS outputs */ unsigned int aux_snap_num; /* Number of Aux snapshot inputs */ }; struct xgbe_version_data { void (*init_function_ptrs_phy_impl)(struct xgbe_phy_if *); enum xgbe_xpcs_access xpcs_access; unsigned int mmc_64bit; unsigned int tx_max_fifo_size; unsigned int rx_max_fifo_size; unsigned int tx_tstamp_workaround; unsigned int ecc_support; unsigned int i2c_support; unsigned int irq_reissue_support; unsigned int tx_desc_prefetch; unsigned int rx_desc_prefetch; unsigned int an_cdr_workaround; }; struct xgbe_vxlan_data { struct list_head list; sa_family_t sa_family; __be16 port; }; struct xgbe_prv_data { struct net_device *netdev; struct pci_dev *pcidev; struct platform_device *platdev; struct acpi_device *adev; struct device *dev; struct platform_device *phy_platdev; struct device *phy_dev; /* Version related data */ struct xgbe_version_data *vdata; /* ACPI or DT flag */ unsigned int use_acpi; /* XGMAC/XPCS related mmio registers */ void __iomem *xgmac_regs; /* XGMAC CSRs */ void __iomem *xpcs_regs; /* XPCS MMD registers */ void __iomem *rxtx_regs; /* SerDes Rx/Tx CSRs */ void __iomem *sir0_regs; /* SerDes integration registers (1/2) */ void __iomem *sir1_regs; /* SerDes integration registers (2/2) */ void __iomem *xprop_regs; /* XGBE property registers */ void __iomem *xi2c_regs; /* XGBE I2C CSRs */ /* Port property registers */ unsigned int pp0; unsigned int pp1; unsigned int pp2; unsigned int pp3; unsigned int pp4; /* Overall device lock */ spinlock_t lock; /* XPCS indirect addressing lock */ spinlock_t xpcs_lock; unsigned int xpcs_window_def_reg; unsigned int xpcs_window_sel_reg; unsigned int xpcs_window; unsigned int xpcs_window_size; unsigned int xpcs_window_mask; /* RSS addressing mutex */ struct mutex rss_mutex; /* Flags representing xgbe_state */ unsigned long dev_state; /* ECC support */ unsigned long tx_sec_period; unsigned long tx_ded_period; unsigned long rx_sec_period; unsigned long rx_ded_period; unsigned long desc_sec_period; unsigned long desc_ded_period; unsigned int tx_sec_count; unsigned int tx_ded_count; unsigned int rx_sec_count; unsigned int rx_ded_count; unsigned int desc_ded_count; unsigned int desc_sec_count; int dev_irq; int ecc_irq; int i2c_irq; int channel_irq[XGBE_MAX_DMA_CHANNELS]; unsigned int per_channel_irq; unsigned int irq_count; unsigned int channel_irq_count; unsigned int channel_irq_mode; char ecc_name[IFNAMSIZ + 32]; struct xgbe_hw_if hw_if; struct xgbe_phy_if phy_if; struct xgbe_desc_if desc_if; struct xgbe_i2c_if i2c_if; /* AXI DMA settings */ unsigned int coherent; unsigned int arcr; unsigned int awcr; unsigned int awarcr; /* Service routine support */ struct workqueue_struct *dev_workqueue; struct work_struct service_work; struct timer_list service_timer; /* Rings for Tx/Rx on a DMA channel */ struct xgbe_channel *channel[XGBE_MAX_DMA_CHANNELS]; unsigned int tx_max_channel_count; unsigned int rx_max_channel_count; unsigned int channel_count; unsigned int tx_ring_count; unsigned int tx_desc_count; unsigned int rx_ring_count; unsigned int rx_desc_count; unsigned int new_tx_ring_count; unsigned int new_rx_ring_count; unsigned int tx_max_q_count; unsigned int rx_max_q_count; unsigned int tx_q_count; unsigned int rx_q_count; /* Tx/Rx common settings */ unsigned int blen; unsigned int pbl; unsigned int aal; unsigned int rd_osr_limit; unsigned int wr_osr_limit; /* Tx settings */ unsigned int tx_sf_mode; unsigned int tx_threshold; unsigned int tx_osp_mode; unsigned int tx_max_fifo_size; /* Rx settings */ unsigned int rx_sf_mode; unsigned int rx_threshold; unsigned int rx_max_fifo_size; /* Tx coalescing settings */ unsigned int tx_usecs; unsigned int tx_frames; /* Rx coalescing settings */ unsigned int rx_riwt; unsigned int rx_usecs; unsigned int rx_frames; /* Current Rx buffer size */ unsigned int rx_buf_size; /* Flow control settings */ unsigned int pause_autoneg; unsigned int tx_pause; unsigned int rx_pause; unsigned int rx_rfa[XGBE_MAX_QUEUES]; unsigned int rx_rfd[XGBE_MAX_QUEUES]; /* Receive Side Scaling settings */ u8 rss_key[XGBE_RSS_HASH_KEY_SIZE]; u32 rss_table[XGBE_RSS_MAX_TABLE_SIZE]; u32 rss_options; /* VXLAN settings */ unsigned int vxlan_port_set; unsigned int vxlan_offloads_set; unsigned int vxlan_force_disable; unsigned int vxlan_port_count; struct list_head vxlan_ports; u16 vxlan_port; netdev_features_t vxlan_features; /* Netdev related settings */ unsigned char mac_addr[ETH_ALEN]; netdev_features_t netdev_features; struct napi_struct napi; struct xgbe_mmc_stats mmc_stats; struct xgbe_ext_stats ext_stats; /* Filtering support */ unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; /* Device clocks */ struct clk *sysclk; unsigned long sysclk_rate; struct clk *ptpclk; unsigned long ptpclk_rate; /* Timestamp support */ spinlock_t tstamp_lock; struct ptp_clock_info ptp_clock_info; struct ptp_clock *ptp_clock; struct hwtstamp_config tstamp_config; struct cyclecounter tstamp_cc; struct timecounter tstamp_tc; unsigned int tstamp_addend; struct work_struct tx_tstamp_work; struct sk_buff *tx_tstamp_skb; u64 tx_tstamp; /* DCB support */ struct ieee_ets *ets; struct ieee_pfc *pfc; unsigned int q2tc_map[XGBE_MAX_QUEUES]; unsigned int prio2q_map[IEEE_8021QAZ_MAX_TCS]; unsigned int pfcq[XGBE_MAX_QUEUES]; unsigned int pfc_rfa; u8 num_tcs; /* Hardware features of the device */ struct xgbe_hw_features hw_feat; /* Device work structures */ struct work_struct restart_work; struct work_struct stopdev_work; /* Keeps track of power mode */ unsigned int power_down; /* Network interface message level setting */ u32 msg_enable; /* Current PHY settings */ phy_interface_t phy_mode; int phy_link; int phy_speed; /* MDIO/PHY related settings */ unsigned int phy_started; void *phy_data; struct xgbe_phy phy; int mdio_mmd; unsigned long link_check; struct completion mdio_complete; unsigned int kr_redrv; char an_name[IFNAMSIZ + 32]; struct workqueue_struct *an_workqueue; int an_irq; struct work_struct an_irq_work; /* Auto-negotiation state machine support */ unsigned int an_int; unsigned int an_status; struct mutex an_mutex; enum xgbe_an an_result; enum xgbe_an an_state; enum xgbe_rx kr_state; enum xgbe_rx kx_state; struct work_struct an_work; unsigned int an_again; unsigned int an_supported; unsigned int parallel_detect; unsigned int fec_ability; unsigned long an_start; enum xgbe_an_mode an_mode; /* I2C support */ struct xgbe_i2c i2c; struct mutex i2c_mutex; struct completion i2c_complete; char i2c_name[IFNAMSIZ + 32]; unsigned int lpm_ctrl; /* CTRL1 for resume */ unsigned int isr_as_tasklet; struct tasklet_struct tasklet_dev; struct tasklet_struct tasklet_ecc; struct tasklet_struct tasklet_i2c; struct tasklet_struct tasklet_an; struct dentry *xgbe_debugfs; unsigned int debugfs_xgmac_reg; unsigned int debugfs_xpcs_mmd; unsigned int debugfs_xpcs_reg; unsigned int debugfs_xprop_reg; unsigned int debugfs_xi2c_reg; bool debugfs_an_cdr_workaround; bool debugfs_an_cdr_track_early; }; /* Function prototypes*/ struct xgbe_prv_data *xgbe_alloc_pdata(struct device *); void xgbe_free_pdata(struct xgbe_prv_data *); void xgbe_set_counts(struct xgbe_prv_data *); int xgbe_config_netdev(struct xgbe_prv_data *); void xgbe_deconfig_netdev(struct xgbe_prv_data *); int xgbe_platform_init(void); void xgbe_platform_exit(void); #ifdef CONFIG_PCI int xgbe_pci_init(void); void xgbe_pci_exit(void); #else static inline int xgbe_pci_init(void) { return 0; } static inline void xgbe_pci_exit(void) { } #endif void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *); void xgbe_init_function_ptrs_phy(struct xgbe_phy_if *); void xgbe_init_function_ptrs_phy_v1(struct xgbe_phy_if *); void xgbe_init_function_ptrs_phy_v2(struct xgbe_phy_if *); void xgbe_init_function_ptrs_desc(struct xgbe_desc_if *); void xgbe_init_function_ptrs_i2c(struct xgbe_i2c_if *); const struct net_device_ops *xgbe_get_netdev_ops(void); const struct ethtool_ops *xgbe_get_ethtool_ops(void); #ifdef CONFIG_AMD_XGBE_DCB const struct dcbnl_rtnl_ops *xgbe_get_dcbnl_ops(void); #endif void xgbe_ptp_register(struct xgbe_prv_data *); void xgbe_ptp_unregister(struct xgbe_prv_data *); void xgbe_dump_tx_desc(struct xgbe_prv_data *, struct xgbe_ring *, unsigned int, unsigned int, unsigned int); void xgbe_dump_rx_desc(struct xgbe_prv_data *, struct xgbe_ring *, unsigned int); void xgbe_print_pkt(struct net_device *, struct sk_buff *, bool); void xgbe_get_all_hw_features(struct xgbe_prv_data *); int xgbe_powerup(struct net_device *, unsigned int); int xgbe_powerdown(struct net_device *, unsigned int); void xgbe_init_rx_coalesce(struct xgbe_prv_data *); void xgbe_init_tx_coalesce(struct xgbe_prv_data *); void xgbe_restart_dev(struct xgbe_prv_data *pdata); void xgbe_full_restart_dev(struct xgbe_prv_data *pdata); #ifdef CONFIG_DEBUG_FS void xgbe_debugfs_init(struct xgbe_prv_data *); void xgbe_debugfs_exit(struct xgbe_prv_data *); void xgbe_debugfs_rename(struct xgbe_prv_data *pdata); #else static inline void xgbe_debugfs_init(struct xgbe_prv_data *pdata) {} static inline void xgbe_debugfs_exit(struct xgbe_prv_data *pdata) {} static inline void xgbe_debugfs_rename(struct xgbe_prv_data *pdata) {} #endif /* CONFIG_DEBUG_FS */ /* NOTE: Uncomment for function trace log messages in KERNEL LOG */ #if 0 #define YDEBUG #define YDEBUG_MDIO #endif /* For debug prints */ #ifdef YDEBUG #define DBGPR(x...) pr_alert(x) #else #define DBGPR(x...) do { } while (0) #endif #ifdef YDEBUG_MDIO #define DBGPR_MDIO(x...) pr_alert(x) #else #define DBGPR_MDIO(x...) do { } while (0) #endif #endif
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