| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Andy Gospodarek | 1697 | 98.04% | 1 | 9.09% |
| Joe Perches | 8 | 0.46% | 1 | 9.09% |
| Patrick McHardy | 7 | 0.40% | 1 | 9.09% |
| Jarod Wilson | 5 | 0.29% | 1 | 9.09% |
| Ben Hutchings | 3 | 0.17% | 1 | 9.09% |
| Tejun Heo | 3 | 0.17% | 1 | 9.09% |
| Yang Hongyang | 3 | 0.17% | 1 | 9.09% |
| Thomas Gleixner | 2 | 0.12% | 1 | 9.09% |
| Eric Dumazet | 1 | 0.06% | 1 | 9.09% |
| Gustavo A. R. Silva | 1 | 0.06% | 1 | 9.09% |
| Lucas De Marchi | 1 | 0.06% | 1 | 9.09% |
| Total | 1731 | 11 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Tehuti Networks(R) Network Driver * Copyright (C) 2007 Tehuti Networks Ltd. All rights reserved */ #ifndef _TEHUTI_H #define _TEHUTI_H #include <linux/module.h> #include <linux/kernel.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/pci.h> #include <linux/delay.h> #include <linux/ethtool.h> #include <linux/mii.h> #include <linux/crc32.h> #include <linux/uaccess.h> #include <linux/in.h> #include <linux/ip.h> #include <linux/tcp.h> #include <linux/sched.h> #include <linux/tty.h> #include <linux/if_vlan.h> #include <linux/interrupt.h> #include <linux/vmalloc.h> #include <linux/firmware.h> #include <asm/byteorder.h> #include <linux/dma-mapping.h> #include <linux/slab.h> /* Compile Time Switches */ /* start */ #define BDX_TSO #define BDX_LLTX #define BDX_DELAY_WPTR /* #define BDX_MSI */ /* end */ #if !defined CONFIG_PCI_MSI # undef BDX_MSI #endif #define BDX_DEF_MSG_ENABLE (NETIF_MSG_DRV | \ NETIF_MSG_PROBE | \ NETIF_MSG_LINK) /* ioctl ops */ #define BDX_OP_READ 1 #define BDX_OP_WRITE 2 /* RX copy break size */ #define BDX_COPYBREAK 257 #define DRIVER_AUTHOR "Tehuti Networks(R)" #define BDX_DRV_DESC "Tehuti Networks(R) Network Driver" #define BDX_DRV_NAME "tehuti" #define BDX_NIC_NAME "Tehuti 10 Giga TOE SmartNIC" #define BDX_NIC2PORT_NAME "Tehuti 2-Port 10 Giga TOE SmartNIC" #define BDX_DRV_VERSION "7.29.3" #ifdef BDX_MSI # define BDX_MSI_STRING "msi " #else # define BDX_MSI_STRING "" #endif /* netdev tx queue len for Luxor. default value is, btw, 1000 * ifcontig eth1 txqueuelen 3000 - to change it at runtime */ #define BDX_NDEV_TXQ_LEN 3000 /* Max MTU for Jumbo Frame mode, per tehutinetworks.net Features FAQ is 16k */ #define BDX_MAX_MTU (16 * 1024) #define FIFO_SIZE 4096 #define FIFO_EXTRA_SPACE 1024 #if BITS_PER_LONG == 64 # define H32_64(x) (u32) ((u64)(x) >> 32) # define L32_64(x) (u32) ((u64)(x) & 0xffffffff) #elif BITS_PER_LONG == 32 # define H32_64(x) 0 # define L32_64(x) ((u32) (x)) #else /* BITS_PER_LONG == ?? */ # error BITS_PER_LONG is undefined. Must be 64 or 32 #endif /* BITS_PER_LONG */ #ifdef __BIG_ENDIAN # define CPU_CHIP_SWAP32(x) swab32(x) # define CPU_CHIP_SWAP16(x) swab16(x) #else # define CPU_CHIP_SWAP32(x) (x) # define CPU_CHIP_SWAP16(x) (x) #endif #define READ_REG(pp, reg) readl(pp->pBdxRegs + reg) #define WRITE_REG(pp, reg, val) writel(val, pp->pBdxRegs + reg) #ifndef NET_IP_ALIGN # define NET_IP_ALIGN 2 #endif #ifndef NETDEV_TX_OK # define NETDEV_TX_OK 0 #endif #define LUXOR_MAX_PORT 2 #define BDX_MAX_RX_DONE 150 #define BDX_TXF_DESC_SZ 16 #define BDX_MAX_TX_LEVEL (priv->txd_fifo0.m.memsz - 16) #define BDX_MIN_TX_LEVEL 256 #define BDX_NO_UPD_PACKETS 40 struct pci_nic { int port_num; void __iomem *regs; int irq_type; struct bdx_priv *priv[LUXOR_MAX_PORT]; }; enum { IRQ_INTX, IRQ_MSI, IRQ_MSIX }; #define PCK_TH_MULT 128 #define INT_COAL_MULT 2 #define BITS_MASK(nbits) ((1<<nbits)-1) #define GET_BITS_SHIFT(x, nbits, nshift) (((x)>>nshift)&BITS_MASK(nbits)) #define BITS_SHIFT_MASK(nbits, nshift) (BITS_MASK(nbits)<<nshift) #define BITS_SHIFT_VAL(x, nbits, nshift) (((x)&BITS_MASK(nbits))<<nshift) #define BITS_SHIFT_CLEAR(x, nbits, nshift) \ ((x)&(~BITS_SHIFT_MASK(nbits, nshift))) #define GET_INT_COAL(x) GET_BITS_SHIFT(x, 15, 0) #define GET_INT_COAL_RC(x) GET_BITS_SHIFT(x, 1, 15) #define GET_RXF_TH(x) GET_BITS_SHIFT(x, 4, 16) #define GET_PCK_TH(x) GET_BITS_SHIFT(x, 4, 20) #define INT_REG_VAL(coal, coal_rc, rxf_th, pck_th) \ ((coal)|((coal_rc)<<15)|((rxf_th)<<16)|((pck_th)<<20)) struct fifo { dma_addr_t da; /* physical address of fifo (used by HW) */ char *va; /* virtual address of fifo (used by SW) */ u32 rptr, wptr; /* cached values of RPTR and WPTR registers, they're 32 bits on both 32 and 64 archs */ u16 reg_CFG0, reg_CFG1; u16 reg_RPTR, reg_WPTR; u16 memsz; /* memory size allocated for fifo */ u16 size_mask; u16 pktsz; /* skb packet size to allocate */ u16 rcvno; /* number of buffers that come from this RXF */ }; struct txf_fifo { struct fifo m; /* minimal set of variables used by all fifos */ }; struct txd_fifo { struct fifo m; /* minimal set of variables used by all fifos */ }; struct rxf_fifo { struct fifo m; /* minimal set of variables used by all fifos */ }; struct rxd_fifo { struct fifo m; /* minimal set of variables used by all fifos */ }; struct rx_map { u64 dma; struct sk_buff *skb; }; struct rxdb { int *stack; struct rx_map *elems; int nelem; int top; }; union bdx_dma_addr { dma_addr_t dma; struct sk_buff *skb; }; /* Entry in the db. * if len == 0 addr is dma * if len != 0 addr is skb */ struct tx_map { union bdx_dma_addr addr; int len; }; /* tx database - implemented as circular fifo buffer*/ struct txdb { struct tx_map *start; /* points to the first element */ struct tx_map *end; /* points just AFTER the last element */ struct tx_map *rptr; /* points to the next element to read */ struct tx_map *wptr; /* points to the next element to write */ int size; /* number of elements in the db */ }; /*Internal stats structure*/ struct bdx_stats { u64 InUCast; /* 0x7200 */ u64 InMCast; /* 0x7210 */ u64 InBCast; /* 0x7220 */ u64 InPkts; /* 0x7230 */ u64 InErrors; /* 0x7240 */ u64 InDropped; /* 0x7250 */ u64 FrameTooLong; /* 0x7260 */ u64 FrameSequenceErrors; /* 0x7270 */ u64 InVLAN; /* 0x7280 */ u64 InDroppedDFE; /* 0x7290 */ u64 InDroppedIntFull; /* 0x72A0 */ u64 InFrameAlignErrors; /* 0x72B0 */ /* 0x72C0-0x72E0 RSRV */ u64 OutUCast; /* 0x72F0 */ u64 OutMCast; /* 0x7300 */ u64 OutBCast; /* 0x7310 */ u64 OutPkts; /* 0x7320 */ /* 0x7330-0x7360 RSRV */ u64 OutVLAN; /* 0x7370 */ u64 InUCastOctects; /* 0x7380 */ u64 OutUCastOctects; /* 0x7390 */ /* 0x73A0-0x73B0 RSRV */ u64 InBCastOctects; /* 0x73C0 */ u64 OutBCastOctects; /* 0x73D0 */ u64 InOctects; /* 0x73E0 */ u64 OutOctects; /* 0x73F0 */ }; struct bdx_priv { void __iomem *pBdxRegs; struct net_device *ndev; struct napi_struct napi; /* RX FIFOs: 1 for data (full) descs, and 2 for free descs */ struct rxd_fifo rxd_fifo0; struct rxf_fifo rxf_fifo0; struct rxdb *rxdb; /* rx dbs to store skb pointers */ int napi_stop; /* Tx FIFOs: 1 for data desc, 1 for empty (acks) desc */ struct txd_fifo txd_fifo0; struct txf_fifo txf_fifo0; struct txdb txdb; int tx_level; #ifdef BDX_DELAY_WPTR int tx_update_mark; int tx_noupd; #endif spinlock_t tx_lock; /* NETIF_F_LLTX mode */ /* rarely used */ u8 port; u32 msg_enable; int stats_flag; struct bdx_stats hw_stats; struct pci_dev *pdev; struct pci_nic *nic; u8 txd_size; u8 txf_size; u8 rxd_size; u8 rxf_size; u32 rdintcm; u32 tdintcm; }; /* RX FREE descriptor - 64bit*/ struct rxf_desc { u32 info; /* Buffer Count + Info - described below */ u32 va_lo; /* VAdr[31:0] */ u32 va_hi; /* VAdr[63:32] */ u32 pa_lo; /* PAdr[31:0] */ u32 pa_hi; /* PAdr[63:32] */ u32 len; /* Buffer Length */ }; #define GET_RXD_BC(x) GET_BITS_SHIFT((x), 5, 0) #define GET_RXD_RXFQ(x) GET_BITS_SHIFT((x), 2, 8) #define GET_RXD_TO(x) GET_BITS_SHIFT((x), 1, 15) #define GET_RXD_TYPE(x) GET_BITS_SHIFT((x), 4, 16) #define GET_RXD_ERR(x) GET_BITS_SHIFT((x), 6, 21) #define GET_RXD_RXP(x) GET_BITS_SHIFT((x), 1, 27) #define GET_RXD_PKT_ID(x) GET_BITS_SHIFT((x), 3, 28) #define GET_RXD_VTAG(x) GET_BITS_SHIFT((x), 1, 31) #define GET_RXD_VLAN_ID(x) GET_BITS_SHIFT((x), 12, 0) #define GET_RXD_VLAN_TCI(x) GET_BITS_SHIFT((x), 16, 0) #define GET_RXD_CFI(x) GET_BITS_SHIFT((x), 1, 12) #define GET_RXD_PRIO(x) GET_BITS_SHIFT((x), 3, 13) struct rxd_desc { u32 rxd_val1; u16 len; u16 rxd_vlan; u32 va_lo; u32 va_hi; }; /* PBL describes each virtual buffer to be */ /* transmitted from the host.*/ struct pbl { u32 pa_lo; u32 pa_hi; u32 len; }; /* First word for TXD descriptor. It means: type = 3 for regular Tx packet, * hw_csum = 7 for ip+udp+tcp hw checksums */ #define TXD_W1_VAL(bc, checksum, vtag, lgsnd, vlan_id) \ ((bc) | ((checksum)<<5) | ((vtag)<<8) | \ ((lgsnd)<<9) | (0x30000) | ((vlan_id)<<20)) struct txd_desc { u32 txd_val1; u16 mss; u16 length; u32 va_lo; u32 va_hi; struct pbl pbl[]; /* Fragments */ } __packed; /* Register region size */ #define BDX_REGS_SIZE 0x1000 /* Registers from 0x0000-0x00fc were remapped to 0x4000-0x40fc */ #define regTXD_CFG1_0 0x4000 #define regRXF_CFG1_0 0x4010 #define regRXD_CFG1_0 0x4020 #define regTXF_CFG1_0 0x4030 #define regTXD_CFG0_0 0x4040 #define regRXF_CFG0_0 0x4050 #define regRXD_CFG0_0 0x4060 #define regTXF_CFG0_0 0x4070 #define regTXD_WPTR_0 0x4080 #define regRXF_WPTR_0 0x4090 #define regRXD_WPTR_0 0x40A0 #define regTXF_WPTR_0 0x40B0 #define regTXD_RPTR_0 0x40C0 #define regRXF_RPTR_0 0x40D0 #define regRXD_RPTR_0 0x40E0 #define regTXF_RPTR_0 0x40F0 #define regTXF_RPTR_3 0x40FC /* hardware versioning */ #define FW_VER 0x5010 #define SROM_VER 0x5020 #define FPGA_VER 0x5030 #define FPGA_SEED 0x5040 /* Registers from 0x0100-0x0150 were remapped to 0x5100-0x5150 */ #define regISR regISR0 #define regISR0 0x5100 #define regIMR regIMR0 #define regIMR0 0x5110 #define regRDINTCM0 0x5120 #define regRDINTCM2 0x5128 #define regTDINTCM0 0x5130 #define regISR_MSK0 0x5140 #define regINIT_SEMAPHORE 0x5170 #define regINIT_STATUS 0x5180 #define regMAC_LNK_STAT 0x0200 #define MAC_LINK_STAT 0x4 /* Link state */ #define regGMAC_RXF_A 0x1240 #define regUNC_MAC0_A 0x1250 #define regUNC_MAC1_A 0x1260 #define regUNC_MAC2_A 0x1270 #define regVLAN_0 0x1800 #define regMAX_FRAME_A 0x12C0 #define regRX_MAC_MCST0 0x1A80 #define regRX_MAC_MCST1 0x1A84 #define MAC_MCST_NUM 15 #define regRX_MCST_HASH0 0x1A00 #define MAC_MCST_HASH_NUM 8 #define regVPC 0x2300 #define regVIC 0x2320 #define regVGLB 0x2340 #define regCLKPLL 0x5000 /*for 10G only*/ #define regREVISION 0x6000 #define regSCRATCH 0x6004 #define regCTRLST 0x6008 #define regMAC_ADDR_0 0x600C #define regMAC_ADDR_1 0x6010 #define regFRM_LENGTH 0x6014 #define regPAUSE_QUANT 0x6018 #define regRX_FIFO_SECTION 0x601C #define regTX_FIFO_SECTION 0x6020 #define regRX_FULLNESS 0x6024 #define regTX_FULLNESS 0x6028 #define regHASHTABLE 0x602C #define regMDIO_ST 0x6030 #define regMDIO_CTL 0x6034 #define regMDIO_DATA 0x6038 #define regMDIO_ADDR 0x603C #define regRST_PORT 0x7000 #define regDIS_PORT 0x7010 #define regRST_QU 0x7020 #define regDIS_QU 0x7030 #define regCTRLST_TX_ENA 0x0001 #define regCTRLST_RX_ENA 0x0002 #define regCTRLST_PRM_ENA 0x0010 #define regCTRLST_PAD_ENA 0x0020 #define regCTRLST_BASE (regCTRLST_PAD_ENA|regCTRLST_PRM_ENA) #define regRX_FLT 0x1400 /* TXD TXF RXF RXD CONFIG 0x0000 --- 0x007c*/ #define TX_RX_CFG1_BASE 0xffffffff /*0-31 */ #define TX_RX_CFG0_BASE 0xfffff000 /*31:12 */ #define TX_RX_CFG0_RSVD 0x0ffc /*11:2 */ #define TX_RX_CFG0_SIZE 0x0003 /*1:0 */ /* TXD TXF RXF RXD WRITE 0x0080 --- 0x00BC */ #define TXF_WPTR_WR_PTR 0x7ff8 /*14:3 */ /* TXD TXF RXF RXD READ 0x00CO --- 0x00FC */ #define TXF_RPTR_RD_PTR 0x7ff8 /*14:3 */ #define TXF_WPTR_MASK 0x7ff0 /* last 4 bits are dropped * size is rounded to 16 */ /* regISR 0x0100 */ /* regIMR 0x0110 */ #define IMR_INPROG 0x80000000 /*31 */ #define IR_LNKCHG1 0x10000000 /*28 */ #define IR_LNKCHG0 0x08000000 /*27 */ #define IR_GPIO 0x04000000 /*26 */ #define IR_RFRSH 0x02000000 /*25 */ #define IR_RSVD 0x01000000 /*24 */ #define IR_SWI 0x00800000 /*23 */ #define IR_RX_FREE_3 0x00400000 /*22 */ #define IR_RX_FREE_2 0x00200000 /*21 */ #define IR_RX_FREE_1 0x00100000 /*20 */ #define IR_RX_FREE_0 0x00080000 /*19 */ #define IR_TX_FREE_3 0x00040000 /*18 */ #define IR_TX_FREE_2 0x00020000 /*17 */ #define IR_TX_FREE_1 0x00010000 /*16 */ #define IR_TX_FREE_0 0x00008000 /*15 */ #define IR_RX_DESC_3 0x00004000 /*14 */ #define IR_RX_DESC_2 0x00002000 /*13 */ #define IR_RX_DESC_1 0x00001000 /*12 */ #define IR_RX_DESC_0 0x00000800 /*11 */ #define IR_PSE 0x00000400 /*10 */ #define IR_TMR3 0x00000200 /*9 */ #define IR_TMR2 0x00000100 /*8 */ #define IR_TMR1 0x00000080 /*7 */ #define IR_TMR0 0x00000040 /*6 */ #define IR_VNT 0x00000020 /*5 */ #define IR_RxFL 0x00000010 /*4 */ #define IR_SDPERR 0x00000008 /*3 */ #define IR_TR 0x00000004 /*2 */ #define IR_PCIE_LINK 0x00000002 /*1 */ #define IR_PCIE_TOUT 0x00000001 /*0 */ #define IR_EXTRA (IR_RX_FREE_0 | IR_LNKCHG0 | IR_PSE | \ IR_TMR0 | IR_PCIE_LINK | IR_PCIE_TOUT) #define IR_RUN (IR_EXTRA | IR_RX_DESC_0 | IR_TX_FREE_0) #define IR_ALL 0xfdfffff7 #define IR_LNKCHG0_ofst 27 #define GMAC_RX_FILTER_OSEN 0x1000 /* shared OS enable */ #define GMAC_RX_FILTER_TXFC 0x0400 /* Tx flow control */ #define GMAC_RX_FILTER_RSV0 0x0200 /* reserved */ #define GMAC_RX_FILTER_FDA 0x0100 /* filter out direct address */ #define GMAC_RX_FILTER_AOF 0x0080 /* accept over run */ #define GMAC_RX_FILTER_ACF 0x0040 /* accept control frames */ #define GMAC_RX_FILTER_ARUNT 0x0020 /* accept under run */ #define GMAC_RX_FILTER_ACRC 0x0010 /* accept crc error */ #define GMAC_RX_FILTER_AM 0x0008 /* accept multicast */ #define GMAC_RX_FILTER_AB 0x0004 /* accept broadcast */ #define GMAC_RX_FILTER_PRM 0x0001 /* [0:1] promiscuous mode */ #define MAX_FRAME_AB_VAL 0x3fff /* 13:0 */ #define CLKPLL_PLLLKD 0x0200 /*9 */ #define CLKPLL_RSTEND 0x0100 /*8 */ #define CLKPLL_SFTRST 0x0001 /*0 */ #define CLKPLL_LKD (CLKPLL_PLLLKD|CLKPLL_RSTEND) /* * PCI-E Device Control Register (Offset 0x88) * Source: Luxor Data Sheet, 7.1.3.3.3 */ #define PCI_DEV_CTRL_REG 0x88 #define GET_DEV_CTRL_MAXPL(x) GET_BITS_SHIFT(x, 3, 5) #define GET_DEV_CTRL_MRRS(x) GET_BITS_SHIFT(x, 3, 12) /* * PCI-E Link Status Register (Offset 0x92) * Source: Luxor Data Sheet, 7.1.3.3.7 */ #define PCI_LINK_STATUS_REG 0x92 #define GET_LINK_STATUS_LANES(x) GET_BITS_SHIFT(x, 6, 4) /* Debugging Macros */ #define DBG2(fmt, args...) \ pr_err("%s:%-5d: " fmt, __func__, __LINE__, ## args) #define BDX_ASSERT(x) BUG_ON(x) #ifdef DEBUG #define ENTER \ do { \ pr_err("%s:%-5d: ENTER\n", __func__, __LINE__); \ } while (0) #define RET(args...) \ do { \ pr_err("%s:%-5d: RETURN\n", __func__, __LINE__); \ return args; \ } while (0) #define DBG(fmt, args...) \ pr_err("%s:%-5d: " fmt, __func__, __LINE__, ## args) #else #define ENTER do { } while (0) #define RET(args...) return args #define DBG(fmt, args...) \ do { \ if (0) \ pr_err(fmt, ##args); \ } while (0) #endif #endif /* _BDX__H */
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