| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Iyappan Subramanian | 1065 | 92.13% | 36 | 75.00% |
| Keyur Chudgar | 38 | 3.29% | 1 | 2.08% |
| Quan Nguyen | 32 | 2.77% | 4 | 8.33% |
| Feng Kan | 9 | 0.78% | 1 | 2.08% |
| Anant Gole | 3 | 0.26% | 1 | 2.08% |
| Andrew Lunn | 3 | 0.26% | 1 | 2.08% |
| Julia Lawall | 3 | 0.26% | 2 | 4.17% |
| Thomas Gleixner | 2 | 0.17% | 1 | 2.08% |
| Rob Herring | 1 | 0.09% | 1 | 2.08% |
| Total | 1156 | 48 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Applied Micro X-Gene SoC Ethernet Driver * * Copyright (c) 2014, Applied Micro Circuits Corporation * Authors: Iyappan Subramanian <isubramanian@apm.com> * Ravi Patel <rapatel@apm.com> * Keyur Chudgar <kchudgar@apm.com> */ #ifndef __XGENE_ENET_MAIN_H__ #define __XGENE_ENET_MAIN_H__ #include <linux/acpi.h> #include <linux/clk.h> #include <linux/efi.h> #include <linux/irq.h> #include <linux/io.h> #include <linux/of.h> #include <linux/of_net.h> #include <linux/of_mdio.h> #include <linux/platform_device.h> #include <linux/mdio/mdio-xgene.h> #include <linux/module.h> #include <net/ip.h> #include <linux/prefetch.h> #include <linux/if_vlan.h> #include <linux/phy.h> #include "xgene_enet_hw.h" #include "xgene_enet_cle.h" #include "xgene_enet_ring2.h" #define ETHER_MIN_PACKET 64 #define ETHER_STD_PACKET 1518 #define XGENE_ENET_STD_MTU 1536 #define XGENE_ENET_MAX_MTU 9600 #define SKB_BUFFER_SIZE (XGENE_ENET_STD_MTU - NET_IP_ALIGN) #define BUFLEN_16K (16 * 1024) #define NUM_PKT_BUF 1024 #define NUM_BUFPOOL 32 #define NUM_NXTBUFPOOL 8 #define MAX_EXP_BUFFS 256 #define NUM_MSS_REG 4 #define XGENE_MIN_ENET_FRAME_SIZE 60 #define XGENE_MAX_ENET_IRQ 16 #define XGENE_NUM_RX_RING 8 #define XGENE_NUM_TX_RING 8 #define XGENE_NUM_TXC_RING 8 #define START_CPU_BUFNUM_0 0 #define START_ETH_BUFNUM_0 2 #define START_BP_BUFNUM_0 0x22 #define START_RING_NUM_0 8 #define START_CPU_BUFNUM_1 12 #define START_ETH_BUFNUM_1 10 #define START_BP_BUFNUM_1 0x2A #define START_RING_NUM_1 264 #define XG_START_CPU_BUFNUM_1 12 #define XG_START_ETH_BUFNUM_1 2 #define XG_START_BP_BUFNUM_1 0x22 #define XG_START_RING_NUM_1 264 #define X2_START_CPU_BUFNUM_0 0 #define X2_START_ETH_BUFNUM_0 0 #define X2_START_BP_BUFNUM_0 0x20 #define X2_START_RING_NUM_0 0 #define X2_START_CPU_BUFNUM_1 0xc #define X2_START_ETH_BUFNUM_1 0 #define X2_START_BP_BUFNUM_1 0x20 #define X2_START_RING_NUM_1 256 #define IRQ_ID_SIZE 16 #define PHY_POLL_LINK_ON (10 * HZ) #define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5) enum xgene_enet_id { XGENE_ENET1 = 1, XGENE_ENET2 }; enum xgene_enet_buf_len { SIZE_2K = 2048, SIZE_4K = 4096, SIZE_16K = 16384 }; /* software context of a descriptor ring */ struct xgene_enet_desc_ring { struct net_device *ndev; u16 id; u16 num; u16 head; u16 tail; u16 exp_buf_tail; u16 slots; u16 irq; char irq_name[IRQ_ID_SIZE]; u32 size; u32 state[X2_NUM_RING_CONFIG]; void __iomem *cmd_base; void __iomem *cmd; dma_addr_t dma; dma_addr_t irq_mbox_dma; void *irq_mbox_addr; u16 dst_ring_num; u16 nbufpool; int npagepool; u8 index; u32 flags; struct sk_buff *(*rx_skb); struct sk_buff *(*cp_skb); dma_addr_t *frag_dma_addr; struct page *(*frag_page); enum xgene_enet_ring_cfgsize cfgsize; struct xgene_enet_desc_ring *cp_ring; struct xgene_enet_desc_ring *buf_pool; struct xgene_enet_desc_ring *page_pool; struct napi_struct napi; union { void *desc_addr; struct xgene_enet_raw_desc *raw_desc; struct xgene_enet_raw_desc16 *raw_desc16; }; __le64 *exp_bufs; u64 tx_packets; u64 tx_bytes; u64 tx_dropped; u64 tx_errors; u64 rx_packets; u64 rx_bytes; u64 rx_dropped; u64 rx_errors; u64 rx_length_errors; u64 rx_crc_errors; u64 rx_frame_errors; u64 rx_fifo_errors; }; struct xgene_mac_ops { void (*init)(struct xgene_enet_pdata *pdata); void (*reset)(struct xgene_enet_pdata *pdata); void (*tx_enable)(struct xgene_enet_pdata *pdata); void (*rx_enable)(struct xgene_enet_pdata *pdata); void (*tx_disable)(struct xgene_enet_pdata *pdata); void (*rx_disable)(struct xgene_enet_pdata *pdata); void (*get_drop_cnt)(struct xgene_enet_pdata *pdata, u32 *rx, u32 *tx); void (*set_speed)(struct xgene_enet_pdata *pdata); void (*set_mac_addr)(struct xgene_enet_pdata *pdata); void (*set_framesize)(struct xgene_enet_pdata *pdata, int framesize); void (*set_mss)(struct xgene_enet_pdata *pdata, u16 mss, u8 index); void (*link_state)(struct work_struct *work); void (*enable_tx_pause)(struct xgene_enet_pdata *pdata, bool enable); void (*flowctl_rx)(struct xgene_enet_pdata *pdata, bool enable); void (*flowctl_tx)(struct xgene_enet_pdata *pdata, bool enable); }; struct xgene_port_ops { int (*reset)(struct xgene_enet_pdata *pdata); void (*clear)(struct xgene_enet_pdata *pdata, struct xgene_enet_desc_ring *ring); void (*cle_bypass)(struct xgene_enet_pdata *pdata, u32 dst_ring_num, u16 bufpool_id, u16 nxtbufpool_id); void (*shutdown)(struct xgene_enet_pdata *pdata); }; struct xgene_ring_ops { u8 num_ring_config; u8 num_ring_id_shift; struct xgene_enet_desc_ring * (*setup)(struct xgene_enet_desc_ring *); void (*clear)(struct xgene_enet_desc_ring *); void (*wr_cmd)(struct xgene_enet_desc_ring *, int); u32 (*len)(struct xgene_enet_desc_ring *); void (*coalesce)(struct xgene_enet_desc_ring *); }; struct xgene_cle_ops { int (*cle_init)(struct xgene_enet_pdata *pdata); }; /* ethernet private data */ struct xgene_enet_pdata { struct net_device *ndev; struct mii_bus *mdio_bus; int phy_speed; struct clk *clk; struct platform_device *pdev; enum xgene_enet_id enet_id; struct xgene_enet_desc_ring *tx_ring[XGENE_NUM_TX_RING]; struct xgene_enet_desc_ring *rx_ring[XGENE_NUM_RX_RING]; u16 tx_level[XGENE_NUM_TX_RING]; u16 txc_level[XGENE_NUM_TX_RING]; char *dev_name; u32 rx_buff_cnt; u32 tx_qcnt_hi; u32 irqs[XGENE_MAX_ENET_IRQ]; u8 rxq_cnt; u8 txq_cnt; u8 cq_cnt; void __iomem *eth_csr_addr; void __iomem *eth_ring_if_addr; void __iomem *eth_diag_csr_addr; void __iomem *mcx_mac_addr; void __iomem *mcx_mac_csr_addr; void __iomem *mcx_stats_addr; void __iomem *base_addr; void __iomem *pcs_addr; void __iomem *ring_csr_addr; void __iomem *ring_cmd_addr; int phy_mode; enum xgene_enet_rm rm; struct xgene_enet_cle cle; u64 *extd_stats; u64 false_rflr; u64 vlan_rjbr; spinlock_t stats_lock; /* statistics lock */ const struct xgene_mac_ops *mac_ops; spinlock_t mac_lock; /* mac lock */ const struct xgene_port_ops *port_ops; struct xgene_ring_ops *ring_ops; const struct xgene_cle_ops *cle_ops; struct delayed_work link_work; u32 port_id; u8 cpu_bufnum; u8 eth_bufnum; u8 bp_bufnum; u16 ring_num; u32 mss[NUM_MSS_REG]; u32 mss_refcnt[NUM_MSS_REG]; spinlock_t mss_lock; /* mss lock */ u8 tx_delay; u8 rx_delay; bool mdio_driver; struct gpio_desc *sfp_rdy; bool sfp_gpio_en; u32 pause_autoneg; bool tx_pause; bool rx_pause; }; struct xgene_indirect_ctl { void __iomem *addr; void __iomem *ctl; void __iomem *cmd; void __iomem *cmd_done; }; static inline struct device *ndev_to_dev(struct net_device *ndev) { return ndev->dev.parent; } static inline u16 xgene_enet_dst_ring_num(struct xgene_enet_desc_ring *ring) { struct xgene_enet_pdata *pdata = netdev_priv(ring->ndev); return ((u16)pdata->rm << 10) | ring->num; } void xgene_enet_set_ethtool_ops(struct net_device *netdev); int xgene_extd_stats_init(struct xgene_enet_pdata *pdata); #endif /* __XGENE_ENET_MAIN_H__ */
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