/* Synopsys DesignWare Core Enterprise Ethernet (XLGMAC) Driver * * Copyright (c) 2017 Synopsys, Inc. (www.synopsys.com) * * This program is dual-licensed; you may select either version 2 of * the GNU General Public License ("GPL") or BSD license ("BSD"). * * This Synopsys DWC XLGMAC software driver and associated documentation * (hereinafter the "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 a * Licensed Product under any End User Software License Agreement or * Agreement for Licensed Products with Synopsys or any supplement thereto. * Synopsys is a registered trademark of Synopsys, Inc. Other names included * in the SOFTWARE may be the trademarks of their respective owners. */ #ifndef __DWC_XLGMAC_H__ #define __DWC_XLGMAC_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/timecounter.h> #define XLGMAC_DRV_NAME … #define XLGMAC_DRV_VERSION … #define XLGMAC_DRV_DESC … /* Descriptor related parameters */ #define XLGMAC_TX_DESC_CNT … #define XLGMAC_TX_DESC_MIN_FREE … #define XLGMAC_TX_DESC_MAX_PROC … #define XLGMAC_RX_DESC_CNT … #define XLGMAC_RX_DESC_MAX_DIRTY … /* Descriptors required for maximum contiguous TSO/GSO packet */ #define XLGMAC_TX_MAX_SPLIT … /* Maximum possible descriptors needed for a SKB */ #define XLGMAC_TX_MAX_DESC_NR … #define XLGMAC_TX_MAX_BUF_SIZE … #define XLGMAC_RX_MIN_BUF_SIZE … #define XLGMAC_RX_BUF_ALIGN … /* Maximum Size for Splitting the Header Data * Keep in sync with SKB_ALLOC_SIZE * 3'b000: 64 bytes, 3'b001: 128 bytes * 3'b010: 256 bytes, 3'b011: 512 bytes * 3'b100: 1023 bytes , 3'b101'3'b111: Reserved */ #define XLGMAC_SPH_HDSMS_SIZE … #define XLGMAC_SKB_ALLOC_SIZE … #define XLGMAC_MAX_FIFO … #define XLGMAC_MAX_DMA_CHANNELS … #define XLGMAC_DMA_STOP_TIMEOUT … #define XLGMAC_DMA_INTERRUPT_MASK … /* Default coalescing parameters */ #define XLGMAC_INIT_DMA_TX_USECS … #define XLGMAC_INIT_DMA_TX_FRAMES … #define XLGMAC_INIT_DMA_RX_USECS … #define XLGMAC_INIT_DMA_RX_FRAMES … #define XLGMAC_MAX_DMA_RIWT … #define XLGMAC_MIN_DMA_RIWT … /* Flow control queue count */ #define XLGMAC_MAX_FLOW_CONTROL_QUEUES … /* System clock is 125 MHz */ #define XLGMAC_SYSCLOCK … /* Maximum MAC address hash table size (256 bits = 8 bytes) */ #define XLGMAC_MAC_HASH_TABLE_SIZE … /* Receive Side Scaling */ #define XLGMAC_RSS_HASH_KEY_SIZE … #define XLGMAC_RSS_MAX_TABLE_SIZE … #define XLGMAC_RSS_LOOKUP_TABLE_TYPE … #define XLGMAC_RSS_HASH_KEY_TYPE … #define XLGMAC_STD_PACKET_MTU … #define XLGMAC_JUMBO_PACKET_MTU … /* Helper macro for descriptor handling * Always use XLGMAC_GET_DESC_DATA to access the descriptor data */ #define XLGMAC_GET_DESC_DATA(ring, idx) … #define XLGMAC_GET_REG_BITS(var, pos, len) … #define XLGMAC_GET_REG_BITS_LE(var, pos, len) … #define XLGMAC_SET_REG_BITS(var, pos, len, val) … #define XLGMAC_SET_REG_BITS_LE(var, pos, len, val) … struct xlgmac_pdata; enum xlgmac_int { … }; struct xlgmac_stats { … }; struct xlgmac_ring_buf { … }; /* Common Tx and Rx DMA hardware descriptor */ struct xlgmac_dma_desc { … }; /* Page allocation related values */ struct xlgmac_page_alloc { … }; /* Ring entry buffer data */ struct xlgmac_buffer_data { … }; /* Tx-related desc data */ struct xlgmac_tx_desc_data { … }; /* Rx-related desc data */ struct xlgmac_rx_desc_data { … }; struct xlgmac_pkt_info { … }; struct xlgmac_desc_data { … }; struct xlgmac_ring { … } ____cacheline_aligned; struct xlgmac_channel { … } ____cacheline_aligned; struct xlgmac_desc_ops { … }; struct xlgmac_hw_ops { … }; /* This structure contains flags that indicate what hardware features * or configurations are present in the device. */ struct xlgmac_hw_features { … }; struct xlgmac_resources { … }; struct xlgmac_pdata { … }; void xlgmac_init_desc_ops(struct xlgmac_desc_ops *desc_ops); void xlgmac_init_hw_ops(struct xlgmac_hw_ops *hw_ops); const struct net_device_ops *xlgmac_get_netdev_ops(void); const struct ethtool_ops *xlgmac_get_ethtool_ops(void); void xlgmac_dump_tx_desc(struct xlgmac_pdata *pdata, struct xlgmac_ring *ring, unsigned int idx, unsigned int count, unsigned int flag); void xlgmac_dump_rx_desc(struct xlgmac_pdata *pdata, struct xlgmac_ring *ring, unsigned int idx); void xlgmac_print_pkt(struct net_device *netdev, struct sk_buff *skb, bool tx_rx); void xlgmac_get_all_hw_features(struct xlgmac_pdata *pdata); void xlgmac_print_all_hw_features(struct xlgmac_pdata *pdata); int xlgmac_drv_probe(struct device *dev, struct xlgmac_resources *res); int xlgmac_drv_remove(struct device *dev); /* For debug prints */ #ifdef XLGMAC_DEBUG #define XLGMAC_PR … #else #define XLGMAC_PR(x...) … #endif #endif /* __DWC_XLGMAC_H__ */
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