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- /* QLogic qede NIC Driver
- * Copyright (c) 2015 QLogic Corporation
- *
- * This software is available under the terms of the GNU General Public License
- * (GPL) Version 2, available from the file COPYING in the main directory of
- * this source tree.
- */
- #ifndef _QEDE_H_
- #define _QEDE_H_
- #include <linux/compiler.h>
- #include <linux/version.h>
- #include <linux/workqueue.h>
- #include <linux/netdevice.h>
- #include <linux/interrupt.h>
- #include <linux/bitmap.h>
- #include <linux/kernel.h>
- #include <linux/mutex.h>
- #include <linux/io.h>
- #include <linux/qed/common_hsi.h>
- #include <linux/qed/eth_common.h>
- #include <linux/qed/qed_if.h>
- #include <linux/qed/qed_chain.h>
- #include <linux/qed/qed_eth_if.h>
- #define QEDE_MAJOR_VERSION 8
- #define QEDE_MINOR_VERSION 4
- #define QEDE_REVISION_VERSION 0
- #define QEDE_ENGINEERING_VERSION 0
- #define DRV_MODULE_VERSION __stringify(QEDE_MAJOR_VERSION) "." \
- __stringify(QEDE_MINOR_VERSION) "." \
- __stringify(QEDE_REVISION_VERSION) "." \
- __stringify(QEDE_ENGINEERING_VERSION)
- #define QEDE_ETH_INTERFACE_VERSION 300
- #define DRV_MODULE_SYM qede
- struct qede_stats {
- u64 no_buff_discards;
- u64 rx_ucast_bytes;
- u64 rx_mcast_bytes;
- u64 rx_bcast_bytes;
- u64 rx_ucast_pkts;
- u64 rx_mcast_pkts;
- u64 rx_bcast_pkts;
- u64 mftag_filter_discards;
- u64 mac_filter_discards;
- u64 tx_ucast_bytes;
- u64 tx_mcast_bytes;
- u64 tx_bcast_bytes;
- u64 tx_ucast_pkts;
- u64 tx_mcast_pkts;
- u64 tx_bcast_pkts;
- u64 tx_err_drop_pkts;
- u64 coalesced_pkts;
- u64 coalesced_events;
- u64 coalesced_aborts_num;
- u64 non_coalesced_pkts;
- u64 coalesced_bytes;
- /* port */
- u64 rx_64_byte_packets;
- u64 rx_127_byte_packets;
- u64 rx_255_byte_packets;
- u64 rx_511_byte_packets;
- u64 rx_1023_byte_packets;
- u64 rx_1518_byte_packets;
- u64 rx_1522_byte_packets;
- u64 rx_2047_byte_packets;
- u64 rx_4095_byte_packets;
- u64 rx_9216_byte_packets;
- u64 rx_16383_byte_packets;
- u64 rx_crc_errors;
- u64 rx_mac_crtl_frames;
- u64 rx_pause_frames;
- u64 rx_pfc_frames;
- u64 rx_align_errors;
- u64 rx_carrier_errors;
- u64 rx_oversize_packets;
- u64 rx_jabbers;
- u64 rx_undersize_packets;
- u64 rx_fragments;
- u64 tx_64_byte_packets;
- u64 tx_65_to_127_byte_packets;
- u64 tx_128_to_255_byte_packets;
- u64 tx_256_to_511_byte_packets;
- u64 tx_512_to_1023_byte_packets;
- u64 tx_1024_to_1518_byte_packets;
- u64 tx_1519_to_2047_byte_packets;
- u64 tx_2048_to_4095_byte_packets;
- u64 tx_4096_to_9216_byte_packets;
- u64 tx_9217_to_16383_byte_packets;
- u64 tx_pause_frames;
- u64 tx_pfc_frames;
- u64 tx_lpi_entry_count;
- u64 tx_total_collisions;
- u64 brb_truncates;
- u64 brb_discards;
- u64 tx_mac_ctrl_frames;
- };
- struct qede_dev {
- struct qed_dev *cdev;
- struct net_device *ndev;
- struct pci_dev *pdev;
- u32 dp_module;
- u8 dp_level;
- const struct qed_eth_ops *ops;
- struct qed_dev_eth_info dev_info;
- #define QEDE_MAX_RSS_CNT(edev) ((edev)->dev_info.num_queues)
- #define QEDE_MAX_TSS_CNT(edev) ((edev)->dev_info.num_queues * \
- (edev)->dev_info.num_tc)
- struct qede_fastpath *fp_array;
- u16 num_rss;
- u8 num_tc;
- #define QEDE_RSS_CNT(edev) ((edev)->num_rss)
- #define QEDE_TSS_CNT(edev) ((edev)->num_rss * \
- (edev)->num_tc)
- #define QEDE_TSS_IDX(edev, txqidx) ((txqidx) % (edev)->num_rss)
- #define QEDE_TC_IDX(edev, txqidx) ((txqidx) / (edev)->num_rss)
- #define QEDE_TX_QUEUE(edev, txqidx) \
- (&(edev)->fp_array[QEDE_TSS_IDX((edev), (txqidx))].txqs[QEDE_TC_IDX( \
- (edev), (txqidx))])
- struct qed_int_info int_info;
- unsigned char primary_mac[ETH_ALEN];
- /* Smaller private varaiant of the RTNL lock */
- struct mutex qede_lock;
- u32 state; /* Protected by qede_lock */
- u16 rx_buf_size;
- /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
- #define ETH_OVERHEAD (ETH_HLEN + 8 + 8)
- /* Max supported alignment is 256 (8 shift)
- * minimal alignment shift 6 is optimal for 57xxx HW performance
- */
- #define QEDE_RX_ALIGN_SHIFT max(6, min(8, L1_CACHE_SHIFT))
- /* We assume skb_build() uses sizeof(struct skb_shared_info) bytes
- * at the end of skb->data, to avoid wasting a full cache line.
- * This reduces memory use (skb->truesize).
- */
- #define QEDE_FW_RX_ALIGN_END \
- max_t(u64, 1UL << QEDE_RX_ALIGN_SHIFT, \
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
- struct qede_stats stats;
- struct qed_update_vport_rss_params rss_params;
- u16 q_num_rx_buffers; /* Must be a power of two */
- u16 q_num_tx_buffers; /* Must be a power of two */
- struct delayed_work sp_task;
- unsigned long sp_flags;
- };
- enum QEDE_STATE {
- QEDE_STATE_CLOSED,
- QEDE_STATE_OPEN,
- };
- #define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo))
- #define MAX_NUM_TC 8
- #define MAX_NUM_PRI 8
- /* The driver supports the new build_skb() API:
- * RX ring buffer contains pointer to kmalloc() data only,
- * skb are built only after the frame was DMA-ed.
- */
- struct sw_rx_data {
- u8 *data;
- DEFINE_DMA_UNMAP_ADDR(mapping);
- };
- struct qede_rx_queue {
- __le16 *hw_cons_ptr;
- struct sw_rx_data *sw_rx_ring;
- u16 sw_rx_cons;
- u16 sw_rx_prod;
- struct qed_chain rx_bd_ring;
- struct qed_chain rx_comp_ring;
- void __iomem *hw_rxq_prod_addr;
- int rx_buf_size;
- u16 num_rx_buffers;
- u16 rxq_id;
- u64 rx_hw_errors;
- u64 rx_alloc_errors;
- };
- union db_prod {
- struct eth_db_data data;
- u32 raw;
- };
- struct sw_tx_bd {
- struct sk_buff *skb;
- u8 flags;
- /* Set on the first BD descriptor when there is a split BD */
- #define QEDE_TSO_SPLIT_BD BIT(0)
- };
- struct qede_tx_queue {
- int index; /* Queue index */
- __le16 *hw_cons_ptr;
- struct sw_tx_bd *sw_tx_ring;
- u16 sw_tx_cons;
- u16 sw_tx_prod;
- struct qed_chain tx_pbl;
- void __iomem *doorbell_addr;
- union db_prod tx_db;
- u16 num_tx_buffers;
- };
- #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr.hi), \
- le32_to_cpu((bd)->addr.lo))
- #define BD_SET_UNMAP_ADDR_LEN(bd, maddr, len) \
- do { \
- (bd)->addr.hi = cpu_to_le32(upper_32_bits(maddr)); \
- (bd)->addr.lo = cpu_to_le32(lower_32_bits(maddr)); \
- (bd)->nbytes = cpu_to_le16(len); \
- } while (0)
- #define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes))
- struct qede_fastpath {
- struct qede_dev *edev;
- u8 rss_id;
- struct napi_struct napi;
- struct qed_sb_info *sb_info;
- struct qede_rx_queue *rxq;
- struct qede_tx_queue *txqs;
- #define VEC_NAME_SIZE (sizeof(((struct net_device *)0)->name) + 8)
- char name[VEC_NAME_SIZE];
- };
- /* Debug print definitions */
- #define DP_NAME(edev) ((edev)->ndev->name)
- #define XMIT_PLAIN 0
- #define XMIT_L4_CSUM BIT(0)
- #define XMIT_LSO BIT(1)
- #define XMIT_ENC BIT(2)
- #define QEDE_CSUM_ERROR BIT(0)
- #define QEDE_CSUM_UNNECESSARY BIT(1)
- #define QEDE_SP_RX_MODE 1
- union qede_reload_args {
- u16 mtu;
- };
- void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level);
- void qede_set_ethtool_ops(struct net_device *netdev);
- void qede_reload(struct qede_dev *edev,
- void (*func)(struct qede_dev *edev,
- union qede_reload_args *args),
- union qede_reload_args *args);
- int qede_change_mtu(struct net_device *dev, int new_mtu);
- void qede_fill_by_demand_stats(struct qede_dev *edev);
- #define RX_RING_SIZE_POW 13
- #define RX_RING_SIZE BIT(RX_RING_SIZE_POW)
- #define NUM_RX_BDS_MAX (RX_RING_SIZE - 1)
- #define NUM_RX_BDS_MIN 128
- #define NUM_RX_BDS_DEF NUM_RX_BDS_MAX
- #define TX_RING_SIZE_POW 13
- #define TX_RING_SIZE BIT(TX_RING_SIZE_POW)
- #define NUM_TX_BDS_MAX (TX_RING_SIZE - 1)
- #define NUM_TX_BDS_MIN 128
- #define NUM_TX_BDS_DEF NUM_TX_BDS_MAX
- #define for_each_rss(i) for (i = 0; i < edev->num_rss; i++)
- #endif /* _QEDE_H_ */
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