diff --git a/CREDITS b/CREDITS index 383809bc4b7a..680bc55024a9 100644 --- a/CREDITS +++ b/CREDITS @@ -3801,6 +3801,10 @@ S: Post Office Box 500 S: Batavia, Illinois 60510 S: USA +N: Jes Sorensen +E: jes@trained-monkey.org +D: HIPPI support and Essential RoadRunner driver + N: Leo Spiekman E: leo@netlabs.net W: http://www.netlabs.net/hp/leo/ diff --git a/MAINTAINERS b/MAINTAINERS index afc71089ba09..92768bceb929 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11312,14 +11312,6 @@ S: Maintained F: Documentation/devicetree/bindings/input/touchscreen/himax,hx852es.yaml F: drivers/input/touchscreen/himax_hx852x.c -HIPPI -M: Jes Sorensen -S: Maintained -F: drivers/net/hippi/ -F: include/linux/hippidevice.h -F: include/uapi/linux/if_hippi.h -F: net/802/hippi.c - HIRSCHMANN HELLCREEK ETHERNET SWITCH DRIVER M: Kurt Kanzenbach L: netdev@vger.kernel.org diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index c58d1a61d528..49dee536009f 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -310,8 +310,6 @@ CONFIG_PCMCIA_XIRC2PS=m CONFIG_FDDI=y CONFIG_DEFXX=m CONFIG_SKFP=m -CONFIG_HIPPI=y -CONFIG_ROADRUNNER=m CONFIG_CICADA_PHY=m CONFIG_DAVICOM_PHY=m CONFIG_LXT_PHY=m diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index ac12eaf11755..9c7953f8e637 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -516,8 +516,6 @@ source "drivers/net/ethernet/Kconfig" source "drivers/net/fddi/Kconfig" -source "drivers/net/hippi/Kconfig" - source "drivers/net/ipa/Kconfig" source "drivers/net/phy/Kconfig" diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 73bc63ecd65f..5b01215f6829 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -55,7 +55,6 @@ obj-y += dsa/ endif obj-$(CONFIG_ETHERNET) += ethernet/ obj-$(CONFIG_FDDI) += fddi/ -obj-$(CONFIG_HIPPI) += hippi/ obj-$(CONFIG_HAMRADIO) += hamradio/ obj-$(CONFIG_QCOM_IPA) += ipa/ obj-$(CONFIG_PLIP) += plip/ diff --git a/drivers/net/hippi/Kconfig b/drivers/net/hippi/Kconfig deleted file mode 100644 index 46b911bb8493..000000000000 --- a/drivers/net/hippi/Kconfig +++ /dev/null @@ -1,40 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# HIPPI network device configuration -# - -config HIPPI - bool "HIPPI driver support" - depends on INET && PCI - help - HIgh Performance Parallel Interface (HIPPI) is a 800Mbit/sec and - 1600Mbit/sec dual-simplex switched or point-to-point network. HIPPI - can run over copper (25m) or fiber (300m on multi-mode or 10km on - single-mode). HIPPI networks are commonly used for clusters and to - connect to super computers. If you are connected to a HIPPI network - and have a HIPPI network card in your computer that you want to use - under Linux, say Y here (you must also remember to enable the driver - for your HIPPI card below). Most people will say N here. - -if HIPPI - -config ROADRUNNER - tristate "Essential RoadRunner HIPPI PCI adapter support" - depends on PCI - help - Say Y here if this is your PCI HIPPI network card. - - To compile this driver as a module, choose M here: the module - will be called rrunner. If unsure, say N. - -config ROADRUNNER_LARGE_RINGS - bool "Use large TX/RX rings" - depends on ROADRUNNER - help - If you say Y here, the RoadRunner driver will preallocate up to 2 MB - of additional memory to allow for fastest operation, both for - transmitting and receiving. This memory cannot be used by any other - kernel code or by user space programs. Say Y here only if you have - the memory. - -endif # HIPPI diff --git a/drivers/net/hippi/Makefile b/drivers/net/hippi/Makefile deleted file mode 100644 index 409dd47f3e0a..000000000000 --- a/drivers/net/hippi/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for the HIPPI network device drivers. -# - -obj-$(CONFIG_ROADRUNNER) += rrunner.o diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c deleted file mode 100644 index 7b7e7a47a75e..000000000000 --- a/drivers/net/hippi/rrunner.c +++ /dev/null @@ -1,1687 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * rrunner.c: Linux driver for the Essential RoadRunner HIPPI board. - * - * Copyright (C) 1998-2002 by Jes Sorensen, . - * - * Thanks to Essential Communication for providing us with hardware - * and very comprehensive documentation without which I would not have - * been able to write this driver. A special thank you to John Gibbon - * for sorting out the legal issues, with the NDA, allowing the code to - * be released under the GPL. - * - * Thanks to Jayaram Bhat from ODS/Essential for fixing some of the - * stupid bugs in my code. - * - * Softnet support and various other patches from Val Henson of - * ODS/Essential. - * - * PCI DMA mapping code partly based on work by Francois Romieu. - */ - - -#define DEBUG 1 -#define RX_DMA_SKBUFF 1 -#define PKT_COPY_THRESHOLD 512 - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#define rr_if_busy(dev) netif_queue_stopped(dev) -#define rr_if_running(dev) netif_running(dev) - -#include "rrunner.h" - -#define RUN_AT(x) (jiffies + (x)) - - -MODULE_AUTHOR("Jes Sorensen "); -MODULE_DESCRIPTION("Essential RoadRunner HIPPI driver"); -MODULE_LICENSE("GPL"); - -static const char version[] = -"rrunner.c: v0.50 11/11/2002 Jes Sorensen (jes@wildopensource.com)\n"; - - -static const struct net_device_ops rr_netdev_ops = { - .ndo_open = rr_open, - .ndo_stop = rr_close, - .ndo_siocdevprivate = rr_siocdevprivate, - .ndo_start_xmit = rr_start_xmit, - .ndo_set_mac_address = hippi_mac_addr, -}; - -/* - * Implementation notes: - * - * The DMA engine only allows for DMA within physical 64KB chunks of - * memory. The current approach of the driver (and stack) is to use - * linear blocks of memory for the skbuffs. However, as the data block - * is always the first part of the skb and skbs are 2^n aligned so we - * are guarantted to get the whole block within one 64KB align 64KB - * chunk. - * - * On the long term, relying on being able to allocate 64KB linear - * chunks of memory is not feasible and the skb handling code and the - * stack will need to know about I/O vectors or something similar. - */ - -static int rr_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - struct net_device *dev; - static int version_disp; - u8 pci_latency; - struct rr_private *rrpriv; - void *tmpptr; - dma_addr_t ring_dma; - int ret = -ENOMEM; - - dev = alloc_hippi_dev(sizeof(struct rr_private)); - if (!dev) - goto out3; - - ret = pci_enable_device(pdev); - if (ret) { - ret = -ENODEV; - goto out2; - } - - rrpriv = netdev_priv(dev); - - SET_NETDEV_DEV(dev, &pdev->dev); - - ret = pci_request_regions(pdev, "rrunner"); - if (ret < 0) - goto out; - - pci_set_drvdata(pdev, dev); - - rrpriv->pci_dev = pdev; - - spin_lock_init(&rrpriv->lock); - - dev->netdev_ops = &rr_netdev_ops; - - /* display version info if adapter is found */ - if (!version_disp) { - /* set display flag to TRUE so that */ - /* we only display this string ONCE */ - version_disp = 1; - printk(version); - } - - pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency); - if (pci_latency <= 0x58){ - pci_latency = 0x58; - pci_write_config_byte(pdev, PCI_LATENCY_TIMER, pci_latency); - } - - pci_set_master(pdev); - - printk(KERN_INFO "%s: Essential RoadRunner serial HIPPI " - "at 0x%llx, irq %i, PCI latency %i\n", dev->name, - (unsigned long long)pci_resource_start(pdev, 0), - pdev->irq, pci_latency); - - /* - * Remap the MMIO regs into kernel space. - */ - rrpriv->regs = pci_iomap(pdev, 0, 0x1000); - if (!rrpriv->regs) { - printk(KERN_ERR "%s: Unable to map I/O register, " - "RoadRunner will be disabled.\n", dev->name); - ret = -EIO; - goto out; - } - - tmpptr = dma_alloc_coherent(&pdev->dev, TX_TOTAL_SIZE, &ring_dma, - GFP_KERNEL); - rrpriv->tx_ring = tmpptr; - rrpriv->tx_ring_dma = ring_dma; - - if (!tmpptr) { - ret = -ENOMEM; - goto out; - } - - tmpptr = dma_alloc_coherent(&pdev->dev, RX_TOTAL_SIZE, &ring_dma, - GFP_KERNEL); - rrpriv->rx_ring = tmpptr; - rrpriv->rx_ring_dma = ring_dma; - - if (!tmpptr) { - ret = -ENOMEM; - goto out; - } - - tmpptr = dma_alloc_coherent(&pdev->dev, EVT_RING_SIZE, &ring_dma, - GFP_KERNEL); - rrpriv->evt_ring = tmpptr; - rrpriv->evt_ring_dma = ring_dma; - - if (!tmpptr) { - ret = -ENOMEM; - goto out; - } - - /* - * Don't access any register before this point! - */ -#ifdef __BIG_ENDIAN - writel(readl(&rrpriv->regs->HostCtrl) | NO_SWAP, - &rrpriv->regs->HostCtrl); -#endif - /* - * Need to add a case for little-endian 64-bit hosts here. - */ - - rr_init(dev); - - ret = register_netdev(dev); - if (ret) - goto out; - return 0; - - out: - if (rrpriv->evt_ring) - dma_free_coherent(&pdev->dev, EVT_RING_SIZE, rrpriv->evt_ring, - rrpriv->evt_ring_dma); - if (rrpriv->rx_ring) - dma_free_coherent(&pdev->dev, RX_TOTAL_SIZE, rrpriv->rx_ring, - rrpriv->rx_ring_dma); - if (rrpriv->tx_ring) - dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE, rrpriv->tx_ring, - rrpriv->tx_ring_dma); - if (rrpriv->regs) - pci_iounmap(pdev, rrpriv->regs); - if (pdev) - pci_release_regions(pdev); - pci_disable_device(pdev); - out2: - free_netdev(dev); - out3: - return ret; -} - -static void rr_remove_one(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct rr_private *rr = netdev_priv(dev); - - if (!(readl(&rr->regs->HostCtrl) & NIC_HALTED)) { - printk(KERN_ERR "%s: trying to unload running NIC\n", - dev->name); - writel(HALT_NIC, &rr->regs->HostCtrl); - } - - unregister_netdev(dev); - dma_free_coherent(&pdev->dev, EVT_RING_SIZE, rr->evt_ring, - rr->evt_ring_dma); - dma_free_coherent(&pdev->dev, RX_TOTAL_SIZE, rr->rx_ring, - rr->rx_ring_dma); - dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE, rr->tx_ring, - rr->tx_ring_dma); - pci_iounmap(pdev, rr->regs); - pci_release_regions(pdev); - pci_disable_device(pdev); - free_netdev(dev); -} - - -/* - * Commands are considered to be slow, thus there is no reason to - * inline this. - */ -static void rr_issue_cmd(struct rr_private *rrpriv, struct cmd *cmd) -{ - struct rr_regs __iomem *regs; - u32 idx; - - regs = rrpriv->regs; - /* - * This is temporary - it will go away in the final version. - * We probably also want to make this function inline. - */ - if (readl(®s->HostCtrl) & NIC_HALTED){ - printk("issuing command for halted NIC, code 0x%x, " - "HostCtrl %08x\n", cmd->code, readl(®s->HostCtrl)); - if (readl(®s->Mode) & FATAL_ERR) - printk("error codes Fail1 %02x, Fail2 %02x\n", - readl(®s->Fail1), readl(®s->Fail2)); - } - - idx = rrpriv->info->cmd_ctrl.pi; - - writel(*(u32*)(cmd), ®s->CmdRing[idx]); - wmb(); - - idx = (idx - 1) % CMD_RING_ENTRIES; - rrpriv->info->cmd_ctrl.pi = idx; - wmb(); - - if (readl(®s->Mode) & FATAL_ERR) - printk("error code %02x\n", readl(®s->Fail1)); -} - - -/* - * Reset the board in a sensible manner. The NIC is already halted - * when we get here and a spin-lock is held. - */ -static int rr_reset(struct net_device *dev) -{ - struct rr_private *rrpriv; - struct rr_regs __iomem *regs; - u32 start_pc; - int i; - - rrpriv = netdev_priv(dev); - regs = rrpriv->regs; - - rr_load_firmware(dev); - - writel(0x01000000, ®s->TX_state); - writel(0xff800000, ®s->RX_state); - writel(0, ®s->AssistState); - writel(CLEAR_INTA, ®s->LocalCtrl); - writel(0x01, ®s->BrkPt); - writel(0, ®s->Timer); - writel(0, ®s->TimerRef); - writel(RESET_DMA, ®s->DmaReadState); - writel(RESET_DMA, ®s->DmaWriteState); - writel(0, ®s->DmaWriteHostHi); - writel(0, ®s->DmaWriteHostLo); - writel(0, ®s->DmaReadHostHi); - writel(0, ®s->DmaReadHostLo); - writel(0, ®s->DmaReadLen); - writel(0, ®s->DmaWriteLen); - writel(0, ®s->DmaWriteLcl); - writel(0, ®s->DmaWriteIPchecksum); - writel(0, ®s->DmaReadLcl); - writel(0, ®s->DmaReadIPchecksum); - writel(0, ®s->PciState); -#if (BITS_PER_LONG == 64) && defined __LITTLE_ENDIAN - writel(SWAP_DATA | PTR64BIT | PTR_WD_SWAP, ®s->Mode); -#elif (BITS_PER_LONG == 64) - writel(SWAP_DATA | PTR64BIT | PTR_WD_NOSWAP, ®s->Mode); -#else - writel(SWAP_DATA | PTR32BIT | PTR_WD_NOSWAP, ®s->Mode); -#endif - -#if 0 - /* - * Don't worry, this is just black magic. - */ - writel(0xdf000, ®s->RxBase); - writel(0xdf000, ®s->RxPrd); - writel(0xdf000, ®s->RxCon); - writel(0xce000, ®s->TxBase); - writel(0xce000, ®s->TxPrd); - writel(0xce000, ®s->TxCon); - writel(0, ®s->RxIndPro); - writel(0, ®s->RxIndCon); - writel(0, ®s->RxIndRef); - writel(0, ®s->TxIndPro); - writel(0, ®s->TxIndCon); - writel(0, ®s->TxIndRef); - writel(0xcc000, ®s->pad10[0]); - writel(0, ®s->DrCmndPro); - writel(0, ®s->DrCmndCon); - writel(0, ®s->DwCmndPro); - writel(0, ®s->DwCmndCon); - writel(0, ®s->DwCmndRef); - writel(0, ®s->DrDataPro); - writel(0, ®s->DrDataCon); - writel(0, ®s->DrDataRef); - writel(0, ®s->DwDataPro); - writel(0, ®s->DwDataCon); - writel(0, ®s->DwDataRef); -#endif - - writel(0xffffffff, ®s->MbEvent); - writel(0, ®s->Event); - - writel(0, ®s->TxPi); - writel(0, ®s->IpRxPi); - - writel(0, ®s->EvtCon); - writel(0, ®s->EvtPrd); - - rrpriv->info->evt_ctrl.pi = 0; - - for (i = 0; i < CMD_RING_ENTRIES; i++) - writel(0, ®s->CmdRing[i]); - -/* - * Why 32 ? is this not cache line size dependent? - */ - writel(RBURST_64|WBURST_64, ®s->PciState); - wmb(); - - start_pc = rr_read_eeprom_word(rrpriv, - offsetof(struct eeprom, rncd_info.FwStart)); - -#if (DEBUG > 1) - printk("%s: Executing firmware at address 0x%06x\n", - dev->name, start_pc); -#endif - - writel(start_pc + 0x800, ®s->Pc); - wmb(); - udelay(5); - - writel(start_pc, ®s->Pc); - wmb(); - - return 0; -} - - -/* - * Read a string from the EEPROM. - */ -static unsigned int rr_read_eeprom(struct rr_private *rrpriv, - unsigned long offset, - unsigned char *buf, - unsigned long length) -{ - struct rr_regs __iomem *regs = rrpriv->regs; - u32 misc, io, host, i; - - io = readl(®s->ExtIo); - writel(0, ®s->ExtIo); - misc = readl(®s->LocalCtrl); - writel(0, ®s->LocalCtrl); - host = readl(®s->HostCtrl); - writel(host | HALT_NIC, ®s->HostCtrl); - mb(); - - for (i = 0; i < length; i++){ - writel((EEPROM_BASE + ((offset+i) << 3)), ®s->WinBase); - mb(); - buf[i] = (readl(®s->WinData) >> 24) & 0xff; - mb(); - } - - writel(host, ®s->HostCtrl); - writel(misc, ®s->LocalCtrl); - writel(io, ®s->ExtIo); - mb(); - return i; -} - - -/* - * Shortcut to read one word (4 bytes) out of the EEPROM and convert - * it to our CPU byte-order. - */ -static u32 rr_read_eeprom_word(struct rr_private *rrpriv, - size_t offset) -{ - __be32 word; - - if ((rr_read_eeprom(rrpriv, offset, - (unsigned char *)&word, 4) == 4)) - return be32_to_cpu(word); - return 0; -} - - -/* - * Write a string to the EEPROM. - * - * This is only called when the firmware is not running. - */ -static unsigned int write_eeprom(struct rr_private *rrpriv, - unsigned long offset, - unsigned char *buf, - unsigned long length) -{ - struct rr_regs __iomem *regs = rrpriv->regs; - u32 misc, io, data, i, j, ready, error = 0; - - io = readl(®s->ExtIo); - writel(0, ®s->ExtIo); - misc = readl(®s->LocalCtrl); - writel(ENABLE_EEPROM_WRITE, ®s->LocalCtrl); - mb(); - - for (i = 0; i < length; i++){ - writel((EEPROM_BASE + ((offset+i) << 3)), ®s->WinBase); - mb(); - data = buf[i] << 24; - /* - * Only try to write the data if it is not the same - * value already. - */ - if ((readl(®s->WinData) & 0xff000000) != data){ - writel(data, ®s->WinData); - ready = 0; - j = 0; - mb(); - while(!ready){ - udelay(20); - if ((readl(®s->WinData) & 0xff000000) == - data) - ready = 1; - mb(); - if (j++ > 5000){ - printk("data mismatch: %08x, " - "WinData %08x\n", data, - readl(®s->WinData)); - ready = 1; - error = 1; - } - } - } - } - - writel(misc, ®s->LocalCtrl); - writel(io, ®s->ExtIo); - mb(); - - return error; -} - - -static int rr_init(struct net_device *dev) -{ - u8 addr[HIPPI_ALEN] __aligned(4); - struct rr_private *rrpriv; - struct rr_regs __iomem *regs; - u32 sram_size, rev; - - rrpriv = netdev_priv(dev); - regs = rrpriv->regs; - - rev = readl(®s->FwRev); - rrpriv->fw_rev = rev; - if (rev > 0x00020024) - printk(" Firmware revision: %i.%i.%i\n", (rev >> 16), - ((rev >> 8) & 0xff), (rev & 0xff)); - else if (rev >= 0x00020000) { - printk(" Firmware revision: %i.%i.%i (2.0.37 or " - "later is recommended)\n", (rev >> 16), - ((rev >> 8) & 0xff), (rev & 0xff)); - }else{ - printk(" Firmware revision too old: %i.%i.%i, please " - "upgrade to 2.0.37 or later.\n", - (rev >> 16), ((rev >> 8) & 0xff), (rev & 0xff)); - } - -#if (DEBUG > 2) - printk(" Maximum receive rings %i\n", readl(®s->MaxRxRng)); -#endif - - /* - * Read the hardware address from the eeprom. The HW address - * is not really necessary for HIPPI but awfully convenient. - * The pointer arithmetic to put it in dev_addr is ugly, but - * Donald Becker does it this way for the GigE version of this - * card and it's shorter and more portable than any - * other method I've seen. -VAL - */ - - *(__be16 *)(addr) = - htons(rr_read_eeprom_word(rrpriv, offsetof(struct eeprom, manf.BoardULA))); - *(__be32 *)(addr+2) = - htonl(rr_read_eeprom_word(rrpriv, offsetof(struct eeprom, manf.BoardULA[4]))); - dev_addr_set(dev, addr); - - printk(" MAC: %pM\n", dev->dev_addr); - - sram_size = rr_read_eeprom_word(rrpriv, 8); - printk(" SRAM size 0x%06x\n", sram_size); - - return 0; -} - - -static int rr_init1(struct net_device *dev) -{ - struct rr_private *rrpriv; - struct rr_regs __iomem *regs; - unsigned long myjif, flags; - struct cmd cmd; - u32 hostctrl; - int ecode = 0; - short i; - - rrpriv = netdev_priv(dev); - regs = rrpriv->regs; - - spin_lock_irqsave(&rrpriv->lock, flags); - - hostctrl = readl(®s->HostCtrl); - writel(hostctrl | HALT_NIC | RR_CLEAR_INT, ®s->HostCtrl); - wmb(); - - if (hostctrl & PARITY_ERR){ - printk("%s: Parity error halting NIC - this is serious!\n", - dev->name); - spin_unlock_irqrestore(&rrpriv->lock, flags); - ecode = -EFAULT; - goto error; - } - - set_rxaddr(regs, rrpriv->rx_ctrl_dma); - set_infoaddr(regs, rrpriv->info_dma); - - rrpriv->info->evt_ctrl.entry_size = sizeof(struct event); - rrpriv->info->evt_ctrl.entries = EVT_RING_ENTRIES; - rrpriv->info->evt_ctrl.mode = 0; - rrpriv->info->evt_ctrl.pi = 0; - set_rraddr(&rrpriv->info->evt_ctrl.rngptr, rrpriv->evt_ring_dma); - - rrpriv->info->cmd_ctrl.entry_size = sizeof(struct cmd); - rrpriv->info->cmd_ctrl.entries = CMD_RING_ENTRIES; - rrpriv->info->cmd_ctrl.mode = 0; - rrpriv->info->cmd_ctrl.pi = 15; - - for (i = 0; i < CMD_RING_ENTRIES; i++) { - writel(0, ®s->CmdRing[i]); - } - - for (i = 0; i < TX_RING_ENTRIES; i++) { - rrpriv->tx_ring[i].size = 0; - set_rraddr(&rrpriv->tx_ring[i].addr, 0); - rrpriv->tx_skbuff[i] = NULL; - } - rrpriv->info->tx_ctrl.entry_size = sizeof(struct tx_desc); - rrpriv->info->tx_ctrl.entries = TX_RING_ENTRIES; - rrpriv->info->tx_ctrl.mode = 0; - rrpriv->info->tx_ctrl.pi = 0; - set_rraddr(&rrpriv->info->tx_ctrl.rngptr, rrpriv->tx_ring_dma); - - /* - * Set dirty_tx before we start receiving interrupts, otherwise - * the interrupt handler might think it is supposed to process - * tx ints before we are up and running, which may cause a null - * pointer access in the int handler. - */ - rrpriv->tx_full = 0; - rrpriv->cur_rx = 0; - rrpriv->dirty_rx = rrpriv->dirty_tx = 0; - - rr_reset(dev); - - /* Tuning values */ - writel(0x5000, ®s->ConRetry); - writel(0x100, ®s->ConRetryTmr); - writel(0x500000, ®s->ConTmout); - writel(0x60, ®s->IntrTmr); - writel(0x500000, ®s->TxDataMvTimeout); - writel(0x200000, ®s->RxDataMvTimeout); - writel(0x80, ®s->WriteDmaThresh); - writel(0x80, ®s->ReadDmaThresh); - - rrpriv->fw_running = 0; - wmb(); - - hostctrl &= ~(HALT_NIC | INVALID_INST_B | PARITY_ERR); - writel(hostctrl, ®s->HostCtrl); - wmb(); - - spin_unlock_irqrestore(&rrpriv->lock, flags); - - for (i = 0; i < RX_RING_ENTRIES; i++) { - struct sk_buff *skb; - dma_addr_t addr; - - rrpriv->rx_ring[i].mode = 0; - skb = alloc_skb(dev->mtu + HIPPI_HLEN, GFP_ATOMIC); - if (!skb) { - printk(KERN_WARNING "%s: Unable to allocate memory " - "for receive ring - halting NIC\n", dev->name); - ecode = -ENOMEM; - goto error; - } - rrpriv->rx_skbuff[i] = skb; - addr = dma_map_single(&rrpriv->pci_dev->dev, skb->data, - dev->mtu + HIPPI_HLEN, DMA_FROM_DEVICE); - /* - * Sanity test to see if we conflict with the DMA - * limitations of the Roadrunner. - */ - if ((((unsigned long)skb->data) & 0xfff) > ~65320) - printk("skb alloc error\n"); - - set_rraddr(&rrpriv->rx_ring[i].addr, addr); - rrpriv->rx_ring[i].size = dev->mtu + HIPPI_HLEN; - } - - rrpriv->rx_ctrl[4].entry_size = sizeof(struct rx_desc); - rrpriv->rx_ctrl[4].entries = RX_RING_ENTRIES; - rrpriv->rx_ctrl[4].mode = 8; - rrpriv->rx_ctrl[4].pi = 0; - wmb(); - set_rraddr(&rrpriv->rx_ctrl[4].rngptr, rrpriv->rx_ring_dma); - - udelay(1000); - - /* - * Now start the FirmWare. - */ - cmd.code = C_START_FW; - cmd.ring = 0; - cmd.index = 0; - - rr_issue_cmd(rrpriv, &cmd); - - /* - * Give the FirmWare time to chew on the `get running' command. - */ - myjif = jiffies + 5 * HZ; - while (time_before(jiffies, myjif) && !rrpriv->fw_running) - cpu_relax(); - - netif_start_queue(dev); - - return ecode; - - error: - /* - * We might have gotten here because we are out of memory, - * make sure we release everything we allocated before failing - */ - for (i = 0; i < RX_RING_ENTRIES; i++) { - struct sk_buff *skb = rrpriv->rx_skbuff[i]; - - if (skb) { - dma_unmap_single(&rrpriv->pci_dev->dev, - rrpriv->rx_ring[i].addr.addrlo, - dev->mtu + HIPPI_HLEN, - DMA_FROM_DEVICE); - rrpriv->rx_ring[i].size = 0; - set_rraddr(&rrpriv->rx_ring[i].addr, 0); - dev_kfree_skb(skb); - rrpriv->rx_skbuff[i] = NULL; - } - } - return ecode; -} - - -/* - * All events are considered to be slow (RX/TX ints do not generate - * events) and are handled here, outside the main interrupt handler, - * to reduce the size of the handler. - */ -static u32 rr_handle_event(struct net_device *dev, u32 prodidx, u32 eidx) -{ - struct rr_private *rrpriv; - struct rr_regs __iomem *regs; - u32 tmp; - - rrpriv = netdev_priv(dev); - regs = rrpriv->regs; - - while (prodidx != eidx){ - switch (rrpriv->evt_ring[eidx].code){ - case E_NIC_UP: - tmp = readl(®s->FwRev); - printk(KERN_INFO "%s: Firmware revision %i.%i.%i " - "up and running\n", dev->name, - (tmp >> 16), ((tmp >> 8) & 0xff), (tmp & 0xff)); - rrpriv->fw_running = 1; - writel(RX_RING_ENTRIES - 1, ®s->IpRxPi); - wmb(); - break; - case E_LINK_ON: - printk(KERN_INFO "%s: Optical link ON\n", dev->name); - break; - case E_LINK_OFF: - printk(KERN_INFO "%s: Optical link OFF\n", dev->name); - break; - case E_RX_IDLE: - printk(KERN_WARNING "%s: RX data not moving\n", - dev->name); - goto drop; - case E_WATCHDOG: - printk(KERN_INFO "%s: The watchdog is here to see " - "us\n", dev->name); - break; - case E_INTERN_ERR: - printk(KERN_ERR "%s: HIPPI Internal NIC error\n", - dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - case E_HOST_ERR: - printk(KERN_ERR "%s: Host software error\n", - dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - /* - * TX events. - */ - case E_CON_REJ: - printk(KERN_WARNING "%s: Connection rejected\n", - dev->name); - dev->stats.tx_aborted_errors++; - break; - case E_CON_TMOUT: - printk(KERN_WARNING "%s: Connection timeout\n", - dev->name); - break; - case E_DISC_ERR: - printk(KERN_WARNING "%s: HIPPI disconnect error\n", - dev->name); - dev->stats.tx_aborted_errors++; - break; - case E_INT_PRTY: - printk(KERN_ERR "%s: HIPPI Internal Parity error\n", - dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - case E_TX_IDLE: - printk(KERN_WARNING "%s: Transmitter idle\n", - dev->name); - break; - case E_TX_LINK_DROP: - printk(KERN_WARNING "%s: Link lost during transmit\n", - dev->name); - dev->stats.tx_aborted_errors++; - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - case E_TX_INV_RNG: - printk(KERN_ERR "%s: Invalid send ring block\n", - dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - case E_TX_INV_BUF: - printk(KERN_ERR "%s: Invalid send buffer address\n", - dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - case E_TX_INV_DSC: - printk(KERN_ERR "%s: Invalid descriptor address\n", - dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - /* - * RX events. - */ - case E_RX_RNG_OUT: - printk(KERN_INFO "%s: Receive ring full\n", dev->name); - break; - - case E_RX_PAR_ERR: - printk(KERN_WARNING "%s: Receive parity error\n", - dev->name); - goto drop; - case E_RX_LLRC_ERR: - printk(KERN_WARNING "%s: Receive LLRC error\n", - dev->name); - goto drop; - case E_PKT_LN_ERR: - printk(KERN_WARNING "%s: Receive packet length " - "error\n", dev->name); - goto drop; - case E_DTA_CKSM_ERR: - printk(KERN_WARNING "%s: Data checksum error\n", - dev->name); - goto drop; - case E_SHT_BST: - printk(KERN_WARNING "%s: Unexpected short burst " - "error\n", dev->name); - goto drop; - case E_STATE_ERR: - printk(KERN_WARNING "%s: Recv. state transition" - " error\n", dev->name); - goto drop; - case E_UNEXP_DATA: - printk(KERN_WARNING "%s: Unexpected data error\n", - dev->name); - goto drop; - case E_LST_LNK_ERR: - printk(KERN_WARNING "%s: Link lost error\n", - dev->name); - goto drop; - case E_FRM_ERR: - printk(KERN_WARNING "%s: Framing Error\n", - dev->name); - goto drop; - case E_FLG_SYN_ERR: - printk(KERN_WARNING "%s: Flag sync. lost during " - "packet\n", dev->name); - goto drop; - case E_RX_INV_BUF: - printk(KERN_ERR "%s: Invalid receive buffer " - "address\n", dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - case E_RX_INV_DSC: - printk(KERN_ERR "%s: Invalid receive descriptor " - "address\n", dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - case E_RNG_BLK: - printk(KERN_ERR "%s: Invalid ring block\n", - dev->name); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - wmb(); - break; - drop: - /* Label packet to be dropped. - * Actual dropping occurs in rx - * handling. - * - * The index of packet we get to drop is - * the index of the packet following - * the bad packet. -kbf - */ - { - u16 index = rrpriv->evt_ring[eidx].index; - index = (index + (RX_RING_ENTRIES - 1)) % - RX_RING_ENTRIES; - rrpriv->rx_ring[index].mode |= - (PACKET_BAD | PACKET_END); - } - break; - default: - printk(KERN_WARNING "%s: Unhandled event 0x%02x\n", - dev->name, rrpriv->evt_ring[eidx].code); - } - eidx = (eidx + 1) % EVT_RING_ENTRIES; - } - - rrpriv->info->evt_ctrl.pi = eidx; - wmb(); - return eidx; -} - - -static void rx_int(struct net_device *dev, u32 rxlimit, u32 index) -{ - struct rr_private *rrpriv = netdev_priv(dev); - struct rr_regs __iomem *regs = rrpriv->regs; - - do { - struct rx_desc *desc; - u32 pkt_len; - - desc = &(rrpriv->rx_ring[index]); - pkt_len = desc->size; -#if (DEBUG > 2) - printk("index %i, rxlimit %i\n", index, rxlimit); - printk("len %x, mode %x\n", pkt_len, desc->mode); -#endif - if ( (rrpriv->rx_ring[index].mode & PACKET_BAD) == PACKET_BAD){ - dev->stats.rx_dropped++; - goto defer; - } - - if (pkt_len > 0){ - struct sk_buff *skb, *rx_skb; - - rx_skb = rrpriv->rx_skbuff[index]; - - if (pkt_len < PKT_COPY_THRESHOLD) { - skb = alloc_skb(pkt_len, GFP_ATOMIC); - if (skb == NULL){ - printk(KERN_WARNING "%s: Unable to allocate skb (%i bytes), deferring packet\n", dev->name, pkt_len); - dev->stats.rx_dropped++; - goto defer; - } else { - dma_sync_single_for_cpu(&rrpriv->pci_dev->dev, - desc->addr.addrlo, - pkt_len, - DMA_FROM_DEVICE); - - skb_put_data(skb, rx_skb->data, - pkt_len); - - dma_sync_single_for_device(&rrpriv->pci_dev->dev, - desc->addr.addrlo, - pkt_len, - DMA_FROM_DEVICE); - } - }else{ - struct sk_buff *newskb; - - newskb = alloc_skb(dev->mtu + HIPPI_HLEN, - GFP_ATOMIC); - if (newskb){ - dma_addr_t addr; - - dma_unmap_single(&rrpriv->pci_dev->dev, - desc->addr.addrlo, - dev->mtu + HIPPI_HLEN, - DMA_FROM_DEVICE); - skb = rx_skb; - skb_put(skb, pkt_len); - rrpriv->rx_skbuff[index] = newskb; - addr = dma_map_single(&rrpriv->pci_dev->dev, - newskb->data, - dev->mtu + HIPPI_HLEN, - DMA_FROM_DEVICE); - set_rraddr(&desc->addr, addr); - } else { - printk("%s: Out of memory, deferring " - "packet\n", dev->name); - dev->stats.rx_dropped++; - goto defer; - } - } - skb->protocol = hippi_type_trans(skb, dev); - - netif_rx(skb); /* send it up */ - - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - } - defer: - desc->mode = 0; - desc->size = dev->mtu + HIPPI_HLEN; - - if ((index & 7) == 7) - writel(index, ®s->IpRxPi); - - index = (index + 1) % RX_RING_ENTRIES; - } while(index != rxlimit); - - rrpriv->cur_rx = index; - wmb(); -} - - -static irqreturn_t rr_interrupt(int irq, void *dev_id) -{ - struct rr_private *rrpriv; - struct rr_regs __iomem *regs; - struct net_device *dev = (struct net_device *)dev_id; - u32 prodidx, rxindex, eidx, txcsmr, rxlimit, txcon; - - rrpriv = netdev_priv(dev); - regs = rrpriv->regs; - - if (!(readl(®s->HostCtrl) & RR_INT)) - return IRQ_NONE; - - spin_lock(&rrpriv->lock); - - prodidx = readl(®s->EvtPrd); - txcsmr = (prodidx >> 8) & 0xff; - rxlimit = (prodidx >> 16) & 0xff; - prodidx &= 0xff; - -#if (DEBUG > 2) - printk("%s: interrupt, prodidx = %i, eidx = %i\n", dev->name, - prodidx, rrpriv->info->evt_ctrl.pi); -#endif - /* - * Order here is important. We must handle events - * before doing anything else in order to catch - * such things as LLRC errors, etc -kbf - */ - - eidx = rrpriv->info->evt_ctrl.pi; - if (prodidx != eidx) - eidx = rr_handle_event(dev, prodidx, eidx); - - rxindex = rrpriv->cur_rx; - if (rxindex != rxlimit) - rx_int(dev, rxlimit, rxindex); - - txcon = rrpriv->dirty_tx; - if (txcsmr != txcon) { - do { - /* Due to occational firmware TX producer/consumer out - * of sync. error need to check entry in ring -kbf - */ - if(rrpriv->tx_skbuff[txcon]){ - struct tx_desc *desc; - struct sk_buff *skb; - - desc = &(rrpriv->tx_ring[txcon]); - skb = rrpriv->tx_skbuff[txcon]; - - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - - dma_unmap_single(&rrpriv->pci_dev->dev, - desc->addr.addrlo, skb->len, - DMA_TO_DEVICE); - dev_kfree_skb_irq(skb); - - rrpriv->tx_skbuff[txcon] = NULL; - desc->size = 0; - set_rraddr(&rrpriv->tx_ring[txcon].addr, 0); - desc->mode = 0; - } - txcon = (txcon + 1) % TX_RING_ENTRIES; - } while (txcsmr != txcon); - wmb(); - - rrpriv->dirty_tx = txcon; - if (rrpriv->tx_full && rr_if_busy(dev) && - (((rrpriv->info->tx_ctrl.pi + 1) % TX_RING_ENTRIES) - != rrpriv->dirty_tx)){ - rrpriv->tx_full = 0; - netif_wake_queue(dev); - } - } - - eidx |= ((txcsmr << 8) | (rxlimit << 16)); - writel(eidx, ®s->EvtCon); - wmb(); - - spin_unlock(&rrpriv->lock); - return IRQ_HANDLED; -} - -static inline void rr_raz_tx(struct rr_private *rrpriv, - struct net_device *dev) -{ - int i; - - for (i = 0; i < TX_RING_ENTRIES; i++) { - struct sk_buff *skb = rrpriv->tx_skbuff[i]; - - if (skb) { - struct tx_desc *desc = &(rrpriv->tx_ring[i]); - - dma_unmap_single(&rrpriv->pci_dev->dev, - desc->addr.addrlo, skb->len, - DMA_TO_DEVICE); - desc->size = 0; - set_rraddr(&desc->addr, 0); - dev_kfree_skb(skb); - rrpriv->tx_skbuff[i] = NULL; - } - } -} - - -static inline void rr_raz_rx(struct rr_private *rrpriv, - struct net_device *dev) -{ - int i; - - for (i = 0; i < RX_RING_ENTRIES; i++) { - struct sk_buff *skb = rrpriv->rx_skbuff[i]; - - if (skb) { - struct rx_desc *desc = &(rrpriv->rx_ring[i]); - - dma_unmap_single(&rrpriv->pci_dev->dev, - desc->addr.addrlo, - dev->mtu + HIPPI_HLEN, - DMA_FROM_DEVICE); - desc->size = 0; - set_rraddr(&desc->addr, 0); - dev_kfree_skb(skb); - rrpriv->rx_skbuff[i] = NULL; - } - } -} - -static void rr_timer(struct timer_list *t) -{ - struct rr_private *rrpriv = timer_container_of(rrpriv, t, timer); - struct net_device *dev = pci_get_drvdata(rrpriv->pci_dev); - struct rr_regs __iomem *regs = rrpriv->regs; - unsigned long flags; - - if (readl(®s->HostCtrl) & NIC_HALTED){ - printk("%s: Restarting nic\n", dev->name); - memset(rrpriv->rx_ctrl, 0, 256 * sizeof(struct ring_ctrl)); - memset(rrpriv->info, 0, sizeof(struct rr_info)); - wmb(); - - rr_raz_tx(rrpriv, dev); - rr_raz_rx(rrpriv, dev); - - if (rr_init1(dev)) { - spin_lock_irqsave(&rrpriv->lock, flags); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, - ®s->HostCtrl); - spin_unlock_irqrestore(&rrpriv->lock, flags); - } - } - rrpriv->timer.expires = RUN_AT(5*HZ); - add_timer(&rrpriv->timer); -} - - -static int rr_open(struct net_device *dev) -{ - struct rr_private *rrpriv = netdev_priv(dev); - struct pci_dev *pdev = rrpriv->pci_dev; - struct rr_regs __iomem *regs; - int ecode = 0; - unsigned long flags; - dma_addr_t dma_addr; - - regs = rrpriv->regs; - - if (rrpriv->fw_rev < 0x00020000) { - printk(KERN_WARNING "%s: trying to configure device with " - "obsolete firmware\n", dev->name); - ecode = -EBUSY; - goto error; - } - - rrpriv->rx_ctrl = dma_alloc_coherent(&pdev->dev, - 256 * sizeof(struct ring_ctrl), - &dma_addr, GFP_KERNEL); - if (!rrpriv->rx_ctrl) { - ecode = -ENOMEM; - goto error; - } - rrpriv->rx_ctrl_dma = dma_addr; - - rrpriv->info = dma_alloc_coherent(&pdev->dev, sizeof(struct rr_info), - &dma_addr, GFP_KERNEL); - if (!rrpriv->info) { - ecode = -ENOMEM; - goto error; - } - rrpriv->info_dma = dma_addr; - wmb(); - - spin_lock_irqsave(&rrpriv->lock, flags); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, ®s->HostCtrl); - readl(®s->HostCtrl); - spin_unlock_irqrestore(&rrpriv->lock, flags); - - if (request_irq(pdev->irq, rr_interrupt, IRQF_SHARED, dev->name, dev)) { - printk(KERN_WARNING "%s: Requested IRQ %d is busy\n", - dev->name, pdev->irq); - ecode = -EAGAIN; - goto error; - } - - if ((ecode = rr_init1(dev))) - goto error; - - /* Set the timer to switch to check for link beat and perhaps switch - to an alternate media type. */ - timer_setup(&rrpriv->timer, rr_timer, 0); - rrpriv->timer.expires = RUN_AT(5*HZ); /* 5 sec. watchdog */ - add_timer(&rrpriv->timer); - - netif_start_queue(dev); - - return ecode; - - error: - spin_lock_irqsave(&rrpriv->lock, flags); - writel(readl(®s->HostCtrl)|HALT_NIC|RR_CLEAR_INT, ®s->HostCtrl); - spin_unlock_irqrestore(&rrpriv->lock, flags); - - if (rrpriv->info) { - dma_free_coherent(&pdev->dev, sizeof(struct rr_info), - rrpriv->info, rrpriv->info_dma); - rrpriv->info = NULL; - } - if (rrpriv->rx_ctrl) { - dma_free_coherent(&pdev->dev, 256 * sizeof(struct ring_ctrl), - rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma); - rrpriv->rx_ctrl = NULL; - } - - netif_stop_queue(dev); - - return ecode; -} - - -static void rr_dump(struct net_device *dev) -{ - struct rr_private *rrpriv; - struct rr_regs __iomem *regs; - u32 index, cons; - short i; - int len; - - rrpriv = netdev_priv(dev); - regs = rrpriv->regs; - - printk("%s: dumping NIC TX rings\n", dev->name); - - printk("RxPrd %08x, TxPrd %02x, EvtPrd %08x, TxPi %02x, TxCtrlPi %02x\n", - readl(®s->RxPrd), readl(®s->TxPrd), - readl(®s->EvtPrd), readl(®s->TxPi), - rrpriv->info->tx_ctrl.pi); - - printk("Error code 0x%x\n", readl(®s->Fail1)); - - index = (((readl(®s->EvtPrd) >> 8) & 0xff) - 1) % TX_RING_ENTRIES; - cons = rrpriv->dirty_tx; - printk("TX ring index %i, TX consumer %i\n", - index, cons); - - if (rrpriv->tx_skbuff[index]){ - len = min_t(int, 0x80, rrpriv->tx_skbuff[index]->len); - printk("skbuff for index %i is valid - dumping data (0x%x bytes - DMA len 0x%x)\n", index, len, rrpriv->tx_ring[index].size); - for (i = 0; i < len; i++){ - if (!(i & 7)) - printk("\n"); - printk("%02x ", (unsigned char) rrpriv->tx_skbuff[index]->data[i]); - } - printk("\n"); - } - - if (rrpriv->tx_skbuff[cons]){ - len = min_t(int, 0x80, rrpriv->tx_skbuff[cons]->len); - printk("skbuff for cons %i is valid - dumping data (0x%x bytes - skbuff len 0x%x)\n", cons, len, rrpriv->tx_skbuff[cons]->len); - printk("mode 0x%x, size 0x%x,\n phys %08Lx, skbuff-addr %p, truesize 0x%x\n", - rrpriv->tx_ring[cons].mode, - rrpriv->tx_ring[cons].size, - (unsigned long long) rrpriv->tx_ring[cons].addr.addrlo, - rrpriv->tx_skbuff[cons]->data, - (unsigned int)rrpriv->tx_skbuff[cons]->truesize); - for (i = 0; i < len; i++){ - if (!(i & 7)) - printk("\n"); - printk("%02x ", (unsigned char)rrpriv->tx_ring[cons].size); - } - printk("\n"); - } - - printk("dumping TX ring info:\n"); - for (i = 0; i < TX_RING_ENTRIES; i++) - printk("mode 0x%x, size 0x%x, phys-addr %08Lx\n", - rrpriv->tx_ring[i].mode, - rrpriv->tx_ring[i].size, - (unsigned long long) rrpriv->tx_ring[i].addr.addrlo); - -} - - -static int rr_close(struct net_device *dev) -{ - struct rr_private *rrpriv = netdev_priv(dev); - struct rr_regs __iomem *regs = rrpriv->regs; - struct pci_dev *pdev = rrpriv->pci_dev; - unsigned long flags; - u32 tmp; - short i; - - netif_stop_queue(dev); - - - /* - * Lock to make sure we are not cleaning up while another CPU - * is handling interrupts. - */ - spin_lock_irqsave(&rrpriv->lock, flags); - - tmp = readl(®s->HostCtrl); - if (tmp & NIC_HALTED){ - printk("%s: NIC already halted\n", dev->name); - rr_dump(dev); - }else{ - tmp |= HALT_NIC | RR_CLEAR_INT; - writel(tmp, ®s->HostCtrl); - readl(®s->HostCtrl); - } - - rrpriv->fw_running = 0; - - spin_unlock_irqrestore(&rrpriv->lock, flags); - timer_delete_sync(&rrpriv->timer); - spin_lock_irqsave(&rrpriv->lock, flags); - - writel(0, ®s->TxPi); - writel(0, ®s->IpRxPi); - - writel(0, ®s->EvtCon); - writel(0, ®s->EvtPrd); - - for (i = 0; i < CMD_RING_ENTRIES; i++) - writel(0, ®s->CmdRing[i]); - - rrpriv->info->tx_ctrl.entries = 0; - rrpriv->info->cmd_ctrl.pi = 0; - rrpriv->info->evt_ctrl.pi = 0; - rrpriv->rx_ctrl[4].entries = 0; - - rr_raz_tx(rrpriv, dev); - rr_raz_rx(rrpriv, dev); - - dma_free_coherent(&pdev->dev, 256 * sizeof(struct ring_ctrl), - rrpriv->rx_ctrl, rrpriv->rx_ctrl_dma); - rrpriv->rx_ctrl = NULL; - - dma_free_coherent(&pdev->dev, sizeof(struct rr_info), rrpriv->info, - rrpriv->info_dma); - rrpriv->info = NULL; - - spin_unlock_irqrestore(&rrpriv->lock, flags); - free_irq(pdev->irq, dev); - - return 0; -} - - -static netdev_tx_t rr_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - struct rr_private *rrpriv = netdev_priv(dev); - struct rr_regs __iomem *regs = rrpriv->regs; - struct hippi_cb *hcb = (struct hippi_cb *) skb->cb; - struct ring_ctrl *txctrl; - unsigned long flags; - u32 index, len = skb->len; - u32 *ifield; - struct sk_buff *new_skb; - - if (readl(®s->Mode) & FATAL_ERR) - printk("error codes Fail1 %02x, Fail2 %02x\n", - readl(®s->Fail1), readl(®s->Fail2)); - - /* - * We probably need to deal with tbusy here to prevent overruns. - */ - - if (skb_headroom(skb) < 8){ - printk("incoming skb too small - reallocating\n"); - if (!(new_skb = dev_alloc_skb(len + 8))) { - dev_kfree_skb(skb); - netif_wake_queue(dev); - return NETDEV_TX_OK; - } - skb_reserve(new_skb, 8); - skb_put(new_skb, len); - skb_copy_from_linear_data(skb, new_skb->data, len); - dev_kfree_skb(skb); - skb = new_skb; - } - - ifield = skb_push(skb, 8); - - ifield[0] = 0; - ifield[1] = hcb->ifield; - - /* - * We don't need the lock before we are actually going to start - * fiddling with the control blocks. - */ - spin_lock_irqsave(&rrpriv->lock, flags); - - txctrl = &rrpriv->info->tx_ctrl; - - index = txctrl->pi; - - rrpriv->tx_skbuff[index] = skb; - set_rraddr(&rrpriv->tx_ring[index].addr, - dma_map_single(&rrpriv->pci_dev->dev, skb->data, len + 8, DMA_TO_DEVICE)); - rrpriv->tx_ring[index].size = len + 8; /* include IFIELD */ - rrpriv->tx_ring[index].mode = PACKET_START | PACKET_END; - txctrl->pi = (index + 1) % TX_RING_ENTRIES; - wmb(); - writel(txctrl->pi, ®s->TxPi); - - if (txctrl->pi == rrpriv->dirty_tx){ - rrpriv->tx_full = 1; - netif_stop_queue(dev); - } - - spin_unlock_irqrestore(&rrpriv->lock, flags); - - return NETDEV_TX_OK; -} - - -/* - * Read the firmware out of the EEPROM and put it into the SRAM - * (or from user space - later) - * - * This operation requires the NIC to be halted and is performed with - * interrupts disabled and with the spinlock hold. - */ -static int rr_load_firmware(struct net_device *dev) -{ - struct rr_private *rrpriv; - struct rr_regs __iomem *regs; - size_t eptr, segptr; - int i, j; - u32 localctrl, sptr, len, tmp; - u32 p2len, p2size, nr_seg, revision, io, sram_size; - - rrpriv = netdev_priv(dev); - regs = rrpriv->regs; - - if (dev->flags & IFF_UP) - return -EBUSY; - - if (!(readl(®s->HostCtrl) & NIC_HALTED)){ - printk("%s: Trying to load firmware to a running NIC.\n", - dev->name); - return -EBUSY; - } - - localctrl = readl(®s->LocalCtrl); - writel(0, ®s->LocalCtrl); - - writel(0, ®s->EvtPrd); - writel(0, ®s->RxPrd); - writel(0, ®s->TxPrd); - - /* - * First wipe the entire SRAM, otherwise we might run into all - * kinds of trouble ... sigh, this took almost all afternoon - * to track down ;-( - */ - io = readl(®s->ExtIo); - writel(0, ®s->ExtIo); - sram_size = rr_read_eeprom_word(rrpriv, 8); - - for (i = 200; i < sram_size / 4; i++){ - writel(i * 4, ®s->WinBase); - mb(); - writel(0, ®s->WinData); - mb(); - } - writel(io, ®s->ExtIo); - mb(); - - eptr = rr_read_eeprom_word(rrpriv, - offsetof(struct eeprom, rncd_info.AddrRunCodeSegs)); - eptr = ((eptr & 0x1fffff) >> 3); - - p2len = rr_read_eeprom_word(rrpriv, 0x83*4); - p2len = (p2len << 2); - p2size = rr_read_eeprom_word(rrpriv, 0x84*4); - p2size = ((p2size & 0x1fffff) >> 3); - - if ((eptr < p2size) || (eptr > (p2size + p2len))){ - printk("%s: eptr is invalid\n", dev->name); - goto out; - } - - revision = rr_read_eeprom_word(rrpriv, - offsetof(struct eeprom, manf.HeaderFmt)); - - if (revision != 1){ - printk("%s: invalid firmware format (%i)\n", - dev->name, revision); - goto out; - } - - nr_seg = rr_read_eeprom_word(rrpriv, eptr); - eptr +=4; -#if (DEBUG > 1) - printk("%s: nr_seg %i\n", dev->name, nr_seg); -#endif - - for (i = 0; i < nr_seg; i++){ - sptr = rr_read_eeprom_word(rrpriv, eptr); - eptr += 4; - len = rr_read_eeprom_word(rrpriv, eptr); - eptr += 4; - segptr = rr_read_eeprom_word(rrpriv, eptr); - segptr = ((segptr & 0x1fffff) >> 3); - eptr += 4; -#if (DEBUG > 1) - printk("%s: segment %i, sram address %06x, length %04x, segptr %06x\n", - dev->name, i, sptr, len, segptr); -#endif - for (j = 0; j < len; j++){ - tmp = rr_read_eeprom_word(rrpriv, segptr); - writel(sptr, ®s->WinBase); - mb(); - writel(tmp, ®s->WinData); - mb(); - segptr += 4; - sptr += 4; - } - } - -out: - writel(localctrl, ®s->LocalCtrl); - mb(); - return 0; -} - - -static int rr_siocdevprivate(struct net_device *dev, struct ifreq *rq, - void __user *data, int cmd) -{ - struct rr_private *rrpriv; - unsigned char *image, *oldimage; - unsigned long flags; - unsigned int i; - int error = -EOPNOTSUPP; - - rrpriv = netdev_priv(dev); - - switch(cmd){ - case SIOCRRGFW: - if (!capable(CAP_SYS_RAWIO)){ - return -EPERM; - } - - image = kmalloc_array(EEPROM_WORDS, sizeof(u32), GFP_KERNEL); - if (!image) - return -ENOMEM; - - if (rrpriv->fw_running){ - printk("%s: Firmware already running\n", dev->name); - error = -EPERM; - goto gf_out; - } - - spin_lock_irqsave(&rrpriv->lock, flags); - i = rr_read_eeprom(rrpriv, 0, image, EEPROM_BYTES); - spin_unlock_irqrestore(&rrpriv->lock, flags); - if (i != EEPROM_BYTES){ - printk(KERN_ERR "%s: Error reading EEPROM\n", - dev->name); - error = -EFAULT; - goto gf_out; - } - error = copy_to_user(data, image, EEPROM_BYTES); - if (error) - error = -EFAULT; - gf_out: - kfree(image); - return error; - - case SIOCRRPFW: - if (!capable(CAP_SYS_RAWIO)){ - return -EPERM; - } - - image = memdup_user(data, EEPROM_BYTES); - if (IS_ERR(image)) - return PTR_ERR(image); - - oldimage = kmalloc(EEPROM_BYTES, GFP_KERNEL); - if (!oldimage) { - kfree(image); - return -ENOMEM; - } - - if (rrpriv->fw_running){ - printk("%s: Firmware already running\n", dev->name); - error = -EPERM; - goto wf_out; - } - - printk("%s: Updating EEPROM firmware\n", dev->name); - - spin_lock_irqsave(&rrpriv->lock, flags); - error = write_eeprom(rrpriv, 0, image, EEPROM_BYTES); - if (error) - printk(KERN_ERR "%s: Error writing EEPROM\n", - dev->name); - - i = rr_read_eeprom(rrpriv, 0, oldimage, EEPROM_BYTES); - spin_unlock_irqrestore(&rrpriv->lock, flags); - - if (i != EEPROM_BYTES) - printk(KERN_ERR "%s: Error reading back EEPROM " - "image\n", dev->name); - - error = memcmp(image, oldimage, EEPROM_BYTES); - if (error){ - printk(KERN_ERR "%s: Error verifying EEPROM image\n", - dev->name); - error = -EFAULT; - } - wf_out: - kfree(oldimage); - kfree(image); - return error; - - case SIOCRRID: - return put_user(0x52523032, (int __user *)data); - default: - return error; - } -} - -static const struct pci_device_id rr_pci_tbl[] = { - { PCI_VENDOR_ID_ESSENTIAL, PCI_DEVICE_ID_ESSENTIAL_ROADRUNNER, - PCI_ANY_ID, PCI_ANY_ID, }, - { 0,} -}; -MODULE_DEVICE_TABLE(pci, rr_pci_tbl); - -static struct pci_driver rr_driver = { - .name = "rrunner", - .id_table = rr_pci_tbl, - .probe = rr_init_one, - .remove = rr_remove_one, -}; - -module_pci_driver(rr_driver); diff --git a/drivers/net/hippi/rrunner.h b/drivers/net/hippi/rrunner.h deleted file mode 100644 index 55377614e752..000000000000 --- a/drivers/net/hippi/rrunner.h +++ /dev/null @@ -1,848 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _RRUNNER_H_ -#define _RRUNNER_H_ - -#include - -#if ((BITS_PER_LONG != 32) && (BITS_PER_LONG != 64)) -#error "BITS_PER_LONG not defined or not valid" -#endif - - -struct rr_regs { - - u32 pad0[16]; - - u32 HostCtrl; - u32 LocalCtrl; - u32 Pc; - u32 BrkPt; - -/* Timer increments every 0.97 micro-seconds (unsigned int) */ - u32 Timer_Hi; - u32 Timer; - u32 TimerRef; - u32 PciState; - - u32 Event; - u32 MbEvent; - - u32 WinBase; - u32 WinData; - u32 RX_state; - u32 TX_state; - - u32 Overhead; - u32 ExtIo; - - u32 DmaWriteHostHi; - u32 DmaWriteHostLo; - - u32 pad1[2]; - - u32 DmaReadHostHi; - u32 DmaReadHostLo; - - u32 pad2; - - u32 DmaReadLen; - u32 DmaWriteState; - - u32 DmaWriteLcl; - u32 DmaWriteIPchecksum; - u32 DmaWriteLen; - u32 DmaReadState; - u32 DmaReadLcl; - u32 DmaReadIPchecksum; - u32 pad3; - - u32 RxBase; - u32 RxPrd; - u32 RxCon; - - u32 pad4; - - u32 TxBase; - u32 TxPrd; - u32 TxCon; - - u32 pad5; - - u32 RxIndPro; - u32 RxIndCon; - u32 RxIndRef; - - u32 pad6; - - u32 TxIndPro; - u32 TxIndCon; - u32 TxIndRef; - - u32 pad7[17]; - - u32 DrCmndPro; - u32 DrCmndCon; - u32 DrCmndRef; - - u32 pad8; - - u32 DwCmndPro; - u32 DwCmndCon; - u32 DwCmndRef; - - u32 AssistState; - - u32 DrDataPro; - u32 DrDataCon; - u32 DrDataRef; - - u32 pad9; - - u32 DwDataPro; - u32 DwDataCon; - u32 DwDataRef; - - u32 pad10[33]; - - u32 EvtCon; - - u32 pad11[5]; - - u32 TxPi; - u32 IpRxPi; - - u32 pad11a[8]; - - u32 CmdRing[16]; - -/* The ULA is in two registers the high order two bytes of the first - * word contain the RunCode features. - * ula0 res res byte0 byte1 - * ula1 byte2 byte3 byte4 byte5 - */ - u32 Ula0; - u32 Ula1; - - u32 RxRingHi; - u32 RxRingLo; - - u32 InfoPtrHi; - u32 InfoPtrLo; - - u32 Mode; - - u32 ConRetry; - u32 ConRetryTmr; - - u32 ConTmout; - u32 CtatTmr; - - u32 MaxRxRng; - - u32 IntrTmr; - u32 TxDataMvTimeout; - u32 RxDataMvTimeout; - - u32 EvtPrd; - u32 TraceIdx; - - u32 Fail1; - u32 Fail2; - - u32 DrvPrm; - - u32 FilterLA; - - u32 FwRev; - u32 FwRes1; - u32 FwRes2; - u32 FwRes3; - - u32 WriteDmaThresh; - u32 ReadDmaThresh; - - u32 pad12[325]; - u32 Window[512]; -}; - -/* - * Host control register bits. - */ - -#define RR_INT 0x01 -#define RR_CLEAR_INT 0x02 -#define NO_SWAP 0x04000004 -#define NO_SWAP1 0x00000004 -#define PCI_RESET_NIC 0x08 -#define HALT_NIC 0x10 -#define SSTEP_NIC 0x20 -#define MEM_READ_MULTI 0x40 -#define NIC_HALTED 0x100 -#define HALT_INST 0x200 -#define PARITY_ERR 0x400 -#define INVALID_INST_B 0x800 -#define RR_REV_2 0x20000000 -#define RR_REV_MASK 0xf0000000 - -/* - * Local control register bits. - */ - -#define INTA_STATE 0x01 -#define CLEAR_INTA 0x02 -#define FAST_EEPROM_ACCESS 0x08 -#define ENABLE_EXTRA_SRAM 0x100 -#define ENABLE_EXTRA_DESC 0x200 -#define ENABLE_PARITY 0x400 -#define FORCE_DMA_PARITY_ERROR 0x800 -#define ENABLE_EEPROM_WRITE 0x1000 -#define ENABLE_DATA_CACHE 0x2000 -#define SRAM_LO_PARITY_ERR 0x4000 -#define SRAM_HI_PARITY_ERR 0x8000 - -/* - * PCI state bits. - */ - -#define FORCE_PCI_RESET 0x01 -#define PROVIDE_LENGTH 0x02 -#define MASK_DMA_READ_MAX 0x1C -#define RBURST_DISABLE 0x00 -#define RBURST_4 0x04 -#define RBURST_16 0x08 -#define RBURST_32 0x0C -#define RBURST_64 0x10 -#define RBURST_128 0x14 -#define RBURST_256 0x18 -#define RBURST_1024 0x1C -#define MASK_DMA_WRITE_MAX 0xE0 -#define WBURST_DISABLE 0x00 -#define WBURST_4 0x20 -#define WBURST_16 0x40 -#define WBURST_32 0x60 -#define WBURST_64 0x80 -#define WBURST_128 0xa0 -#define WBURST_256 0xc0 -#define WBURST_1024 0xe0 -#define MASK_MIN_DMA 0xFF00 -#define FIFO_RETRY_ENABLE 0x10000 - -/* - * Event register - */ - -#define DMA_WRITE_DONE 0x10000 -#define DMA_READ_DONE 0x20000 -#define DMA_WRITE_ERR 0x40000 -#define DMA_READ_ERR 0x80000 - -/* - * Receive state - * - * RoadRunner HIPPI Receive State Register controls and monitors the - * HIPPI receive interface in the NIC. Look at err bits when a HIPPI - * receive Error Event occurs. - */ - -#define ENABLE_NEW_CON 0x01 -#define RESET_RECV 0x02 -#define RECV_ALL 0x00 -#define RECV_1K 0x20 -#define RECV_2K 0x40 -#define RECV_4K 0x60 -#define RECV_8K 0x80 -#define RECV_16K 0xa0 -#define RECV_32K 0xc0 -#define RECV_64K 0xe0 - -/* - * Transmit status. - */ - -#define ENA_XMIT 0x01 -#define PERM_CON 0x02 - -/* - * DMA write state - */ - -#define RESET_DMA 0x01 -#define NO_SWAP_DMA 0x02 -#define DMA_ACTIVE 0x04 -#define THRESH_MASK 0x1F -#define DMA_ERROR_MASK 0xff000000 - -/* - * Gooddies stored in the ULA registers. - */ - -#define TRACE_ON_WHAT_BIT 0x00020000 /* Traces on */ -#define ONEM_BUF_WHAT_BIT 0x00040000 /* 1Meg vs 256K */ -#define CHAR_API_WHAT_BIT 0x00080000 /* Char API vs network only */ -#define CMD_EVT_WHAT_BIT 0x00200000 /* Command event */ -#define LONG_TX_WHAT_BIT 0x00400000 -#define LONG_RX_WHAT_BIT 0x00800000 -#define WHAT_BIT_MASK 0xFFFD0000 /* Feature bit mask */ - -/* - * Mode status - */ - -#define EVENT_OVFL 0x80000000 -#define FATAL_ERR 0x40000000 -#define LOOP_BACK 0x01 -#define MODE_PH 0x02 -#define MODE_FP 0x00 -#define PTR64BIT 0x04 -#define PTR32BIT 0x00 -#define PTR_WD_SWAP 0x08 -#define PTR_WD_NOSWAP 0x00 -#define POST_WARN_EVENT 0x10 -#define ERR_TERM 0x20 -#define DIRECT_CONN 0x40 -#define NO_NIC_WATCHDOG 0x80 -#define SWAP_DATA 0x100 -#define SWAP_CONTROL 0x200 -#define NIC_HALT_ON_ERR 0x400 -#define NIC_NO_RESTART 0x800 -#define HALF_DUP_TX 0x1000 -#define HALF_DUP_RX 0x2000 - - -/* - * Error codes - */ - -/* Host Error Codes - values of fail1 */ -#define ERR_UNKNOWN_MBOX 0x1001 -#define ERR_UNKNOWN_CMD 0x1002 -#define ERR_MAX_RING 0x1003 -#define ERR_RING_CLOSED 0x1004 -#define ERR_RING_OPEN 0x1005 -/* Firmware internal errors */ -#define ERR_EVENT_RING_FULL 0x01 -#define ERR_DW_PEND_CMND_FULL 0x02 -#define ERR_DR_PEND_CMND_FULL 0x03 -#define ERR_DW_PEND_DATA_FULL 0x04 -#define ERR_DR_PEND_DATA_FULL 0x05 -#define ERR_ILLEGAL_JUMP 0x06 -#define ERR_UNIMPLEMENTED 0x07 -#define ERR_TX_INFO_FULL 0x08 -#define ERR_RX_INFO_FULL 0x09 -#define ERR_ILLEGAL_MODE 0x0A -#define ERR_MAIN_TIMEOUT 0x0B -#define ERR_EVENT_BITS 0x0C -#define ERR_UNPEND_FULL 0x0D -#define ERR_TIMER_QUEUE_FULL 0x0E -#define ERR_TIMER_QUEUE_EMPTY 0x0F -#define ERR_TIMER_NO_FREE 0x10 -#define ERR_INTR_START 0x11 -#define ERR_BAD_STARTUP 0x12 -#define ERR_NO_PKT_END 0x13 -#define ERR_HALTED_ON_ERR 0x14 -/* Hardware NIC Errors */ -#define ERR_WRITE_DMA 0x0101 -#define ERR_READ_DMA 0x0102 -#define ERR_EXT_SERIAL 0x0103 -#define ERR_TX_INT_PARITY 0x0104 - - -/* - * Event definitions - */ - -#define EVT_RING_ENTRIES 64 -#define EVT_RING_SIZE (EVT_RING_ENTRIES * sizeof(struct event)) - -struct event { -#ifdef __LITTLE_ENDIAN - u16 index; - u8 ring; - u8 code; -#else - u8 code; - u8 ring; - u16 index; -#endif - u32 timestamp; -}; - -/* - * General Events - */ - -#define E_NIC_UP 0x01 -#define E_WATCHDOG 0x02 - -#define E_STAT_UPD 0x04 -#define E_INVAL_CMD 0x05 -#define E_SET_CMD_CONS 0x06 -#define E_LINK_ON 0x07 -#define E_LINK_OFF 0x08 -#define E_INTERN_ERR 0x09 -#define E_HOST_ERR 0x0A -#define E_STATS_UPDATE 0x0B -#define E_REJECTING 0x0C - -/* - * Send Events - */ -#define E_CON_REJ 0x13 -#define E_CON_TMOUT 0x14 -#define E_CON_NC_TMOUT 0x15 /* I , Connection No Campon Timeout */ -#define E_DISC_ERR 0x16 -#define E_INT_PRTY 0x17 -#define E_TX_IDLE 0x18 -#define E_TX_LINK_DROP 0x19 -#define E_TX_INV_RNG 0x1A -#define E_TX_INV_BUF 0x1B -#define E_TX_INV_DSC 0x1C - -/* - * Destination Events - */ -/* - * General Receive events - */ -#define E_VAL_RNG 0x20 -#define E_RX_RNG_ENER 0x21 -#define E_INV_RNG 0x22 -#define E_RX_RNG_SPC 0x23 -#define E_RX_RNG_OUT 0x24 -#define E_PKT_DISCARD 0x25 -#define E_INFO_EVT 0x27 - -/* - * Data corrupted events - */ -#define E_RX_PAR_ERR 0x2B -#define E_RX_LLRC_ERR 0x2C -#define E_IP_CKSM_ERR 0x2D -#define E_DTA_CKSM_ERR 0x2E -#define E_SHT_BST 0x2F - -/* - * Data lost events - */ -#define E_LST_LNK_ERR 0x30 -#define E_FLG_SYN_ERR 0x31 -#define E_FRM_ERR 0x32 -#define E_RX_IDLE 0x33 -#define E_PKT_LN_ERR 0x34 -#define E_STATE_ERR 0x35 -#define E_UNEXP_DATA 0x3C - -/* - * Fatal events - */ -#define E_RX_INV_BUF 0x36 -#define E_RX_INV_DSC 0x37 -#define E_RNG_BLK 0x38 - -/* - * Warning events - */ -#define E_RX_TO 0x39 -#define E_BFR_SPC 0x3A -#define E_INV_ULP 0x3B - -#define E_NOT_IMPLEMENTED 0x40 - - -/* - * Commands - */ - -#define CMD_RING_ENTRIES 16 - -struct cmd { -#ifdef __LITTLE_ENDIAN - u16 index; - u8 ring; - u8 code; -#else - u8 code; - u8 ring; - u16 index; -#endif -}; - -#define C_START_FW 0x01 -#define C_UPD_STAT 0x02 -#define C_WATCHDOG 0x05 -#define C_DEL_RNG 0x09 -#define C_NEW_RNG 0x0A -#define C_CONN 0x0D - - -/* - * Mode bits - */ - -#define PACKET_BAD 0x01 /* Packet had link-layer error */ -#define INTERRUPT 0x02 -#define TX_IP_CKSUM 0x04 -#define PACKET_END 0x08 -#define PACKET_START 0x10 -#define SAME_IFIELD 0x80 - - -typedef struct { -#if (BITS_PER_LONG == 64) - u64 addrlo; -#else - u32 addrhi; - u32 addrlo; -#endif -} rraddr; - - -static inline void set_rraddr(rraddr *ra, dma_addr_t addr) -{ - unsigned long baddr = addr; -#if (BITS_PER_LONG == 64) - ra->addrlo = baddr; -#else - /* Don't bother setting zero every time */ - ra->addrlo = baddr; -#endif - mb(); -} - - -static inline void set_rxaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr) -{ - unsigned long baddr = addr; -#if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN) - writel(baddr & 0xffffffff, ®s->RxRingHi); - writel(baddr >> 32, ®s->RxRingLo); -#elif (BITS_PER_LONG == 64) - writel(baddr >> 32, ®s->RxRingHi); - writel(baddr & 0xffffffff, ®s->RxRingLo); -#else - writel(0, ®s->RxRingHi); - writel(baddr, ®s->RxRingLo); -#endif - mb(); -} - - -static inline void set_infoaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr) -{ - unsigned long baddr = addr; -#if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN) - writel(baddr & 0xffffffff, ®s->InfoPtrHi); - writel(baddr >> 32, ®s->InfoPtrLo); -#elif (BITS_PER_LONG == 64) - writel(baddr >> 32, ®s->InfoPtrHi); - writel(baddr & 0xffffffff, ®s->InfoPtrLo); -#else - writel(0, ®s->InfoPtrHi); - writel(baddr, ®s->InfoPtrLo); -#endif - mb(); -} - - -/* - * TX ring - */ - -#ifdef CONFIG_ROADRUNNER_LARGE_RINGS -#define TX_RING_ENTRIES 32 -#else -#define TX_RING_ENTRIES 16 -#endif -#define TX_TOTAL_SIZE (TX_RING_ENTRIES * sizeof(struct tx_desc)) - -struct tx_desc{ - rraddr addr; - u32 res; -#ifdef __LITTLE_ENDIAN - u16 size; - u8 pad; - u8 mode; -#else - u8 mode; - u8 pad; - u16 size; -#endif -}; - - -#ifdef CONFIG_ROADRUNNER_LARGE_RINGS -#define RX_RING_ENTRIES 32 -#else -#define RX_RING_ENTRIES 16 -#endif -#define RX_TOTAL_SIZE (RX_RING_ENTRIES * sizeof(struct rx_desc)) - -struct rx_desc{ - rraddr addr; - u32 res; -#ifdef __LITTLE_ENDIAN - u16 size; - u8 pad; - u8 mode; -#else - u8 mode; - u8 pad; - u16 size; -#endif -}; - - -/* - * ioctl's - */ - -#define SIOCRRPFW SIOCDEVPRIVATE /* put firmware */ -#define SIOCRRGFW SIOCDEVPRIVATE+1 /* get firmware */ -#define SIOCRRID SIOCDEVPRIVATE+2 /* identify */ - - -struct seg_hdr { - u32 seg_start; - u32 seg_len; - u32 seg_eestart; -}; - - -#define EEPROM_BASE 0x80000000 -#define EEPROM_WORDS 8192 -#define EEPROM_BYTES (EEPROM_WORDS * sizeof(u32)) - -struct eeprom_boot { - u32 key1; - u32 key2; - u32 sram_size; - struct seg_hdr loader; - u32 init_chksum; - u32 reserved1; -}; - -struct eeprom_manf { - u32 HeaderFmt; - u32 Firmware; - u32 BoardRevision; - u32 RoadrunnerRev; - char OpticsPart[8]; - u32 OpticsRev; - u32 pad1; - char SramPart[8]; - u32 SramRev; - u32 pad2; - char EepromPart[8]; - u32 EepromRev; - u32 EepromSize; - char PalPart[8]; - u32 PalRev; - u32 pad3; - char PalCodeFile[12]; - u32 PalCodeRev; - char BoardULA[8]; - char SerialNo[8]; - char MfgDate[8]; - char MfgTime[8]; - char ModifyDate[8]; - u32 ModCount; - u32 pad4[13]; -}; - - -struct eeprom_phase_info { - char phase1File[12]; - u32 phase1Rev; - char phase1Date[8]; - char phase2File[12]; - u32 phase2Rev; - char phase2Date[8]; - u32 reserved7[4]; -}; - -struct eeprom_rncd_info { - u32 FwStart; - u32 FwRev; - char FwDate[8]; - u32 AddrRunCodeSegs; - u32 FileNames; - char File[13][8]; -}; - - -/* Phase 1 region (starts are word offset 0x80) */ -struct phase1_hdr{ - u32 jump; - u32 noop; - struct seg_hdr phase2Seg; -}; - -struct eeprom { - struct eeprom_boot boot; - u32 pad1[8]; - struct eeprom_manf manf; - struct eeprom_phase_info phase_info; - struct eeprom_rncd_info rncd_info; - u32 pad2[15]; - u32 hdr_checksum; - struct phase1_hdr phase1; -}; - - -struct rr_stats { - u32 NicTimeStamp; - u32 RngCreated; - u32 RngDeleted; - u32 IntrGen; - u32 NEvtOvfl; - u32 InvCmd; - u32 DmaReadErrs; - u32 DmaWriteErrs; - u32 StatUpdtT; - u32 StatUpdtC; - u32 WatchDog; - u32 Trace; - - /* Serial HIPPI */ - u32 LnkRdyEst; - u32 GLinkErr; - u32 AltFlgErr; - u32 OvhdBit8Sync; - u32 RmtSerPrtyErr; - u32 RmtParPrtyErr; - u32 RmtLoopBk; - u32 pad1; - - /* HIPPI tx */ - u32 ConEst; - u32 ConRejS; - u32 ConRetry; - u32 ConTmOut; - u32 SndConDiscon; - u32 SndParErr; - u32 PktSnt; - u32 pad2[2]; - u32 ShFBstSnt; - u64 BytSent; - u32 TxTimeout; - u32 pad3[3]; - - /* HIPPI rx */ - u32 ConAcc; - u32 ConRejdiPrty; - u32 ConRejd64b; - u32 ConRejdBuf; - u32 RxConDiscon; - u32 RxConNoData; - u32 PktRx; - u32 pad4[2]; - u32 ShFBstRx; - u64 BytRx; - u32 RxParErr; - u32 RxLLRCerr; - u32 RxBstSZerr; - u32 RxStateErr; - u32 RxRdyErr; - u32 RxInvULP; - u32 RxSpcBuf; - u32 RxSpcDesc; - u32 RxRngSpc; - u32 RxRngFull; - u32 RxPktLenErr; - u32 RxCksmErr; - u32 RxPktDrp; - u32 RngLowSpc; - u32 RngDataClose; - u32 RxTimeout; - u32 RxIdle; -}; - - -/* - * This struct is shared with the NIC firmware. - */ -struct ring_ctrl { - rraddr rngptr; -#ifdef __LITTLE_ENDIAN - u16 entries; - u8 pad; - u8 entry_size; - u16 pi; - u16 mode; -#else - u8 entry_size; - u8 pad; - u16 entries; - u16 mode; - u16 pi; -#endif -}; - -struct rr_info { - union { - struct rr_stats stats; - u32 stati[128]; - } s; - struct ring_ctrl evt_ctrl; - struct ring_ctrl cmd_ctrl; - struct ring_ctrl tx_ctrl; - u8 pad[464]; - u8 trace[3072]; -}; - -/* - * The linux structure for the RoadRunner. - * - * RX/TX descriptors are put first to make sure they are properly - * aligned and do not cross cache-line boundaries. - */ - -struct rr_private -{ - struct rx_desc *rx_ring; - struct tx_desc *tx_ring; - struct event *evt_ring; - dma_addr_t tx_ring_dma; - dma_addr_t rx_ring_dma; - dma_addr_t evt_ring_dma; - /* Alignment ok ? */ - struct sk_buff *rx_skbuff[RX_RING_ENTRIES]; - struct sk_buff *tx_skbuff[TX_RING_ENTRIES]; - struct rr_regs __iomem *regs; /* Register base */ - struct ring_ctrl *rx_ctrl; /* Receive ring control */ - struct rr_info *info; /* Shared info page */ - dma_addr_t rx_ctrl_dma; - dma_addr_t info_dma; - spinlock_t lock; - struct timer_list timer; - u32 cur_rx, cur_cmd, cur_evt; - u32 dirty_rx, dirty_tx; - u32 tx_full; - u32 fw_rev; - volatile short fw_running; - struct pci_dev *pci_dev; -}; - - -/* - * Prototypes - */ -static int rr_init(struct net_device *dev); -static int rr_init1(struct net_device *dev); -static irqreturn_t rr_interrupt(int irq, void *dev_id); - -static int rr_open(struct net_device *dev); -static netdev_tx_t rr_start_xmit(struct sk_buff *skb, - struct net_device *dev); -static int rr_close(struct net_device *dev); -static int rr_siocdevprivate(struct net_device *dev, struct ifreq *rq, - void __user *data, int cmd); -static unsigned int rr_read_eeprom(struct rr_private *rrpriv, - unsigned long offset, - unsigned char *buf, - unsigned long length); -static u32 rr_read_eeprom_word(struct rr_private *rrpriv, size_t offset); -static int rr_load_firmware(struct net_device *dev); -static inline void rr_raz_tx(struct rr_private *, struct net_device *); -static inline void rr_raz_rx(struct rr_private *, struct net_device *); -#endif /* _RRUNNER_H_ */ diff --git a/include/linux/hippidevice.h b/include/linux/hippidevice.h deleted file mode 100644 index 07414c241e65..000000000000 --- a/include/linux/hippidevice.h +++ /dev/null @@ -1,40 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * Definitions for the HIPPI handlers. - * - * Version: @(#)hippidevice.h 1.0.0 05/26/97 - * - * Author: Jes Sorensen, - * - * hippidevice.h is based on previous fddidevice.h work by - * Ross Biro - * Fred N. van Kempen, - * Alan Cox, - * Lawrence V. Stefani, - */ -#ifndef _LINUX_HIPPIDEVICE_H -#define _LINUX_HIPPIDEVICE_H - -#include - -#ifdef __KERNEL__ - -struct neigh_parms; -struct net_device; -struct sk_buff; - -struct hippi_cb { - __u32 ifield; -}; - -__be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev); -int hippi_mac_addr(struct net_device *dev, void *p); -int hippi_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p); -struct net_device *alloc_hippi_dev(int sizeof_priv); -#endif - -#endif /* _LINUX_HIPPIDEVICE_H */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index a9a089566b7c..91704f20d7da 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1733,9 +1733,6 @@ #define PCI_DEVICE_ID_PC300_TE_M_2 0x0320 #define PCI_DEVICE_ID_PC300_TE_M_1 0x0321 -#define PCI_VENDOR_ID_ESSENTIAL 0x120f -#define PCI_DEVICE_ID_ESSENTIAL_ROADRUNNER 0x0001 - #define PCI_VENDOR_ID_O2 0x1217 #define PCI_DEVICE_ID_O2_6729 0x6729 #define PCI_DEVICE_ID_O2_6730 0x673a diff --git a/net/802/Makefile b/net/802/Makefile index 99abc29d537c..9503ef6b2e06 100644 --- a/net/802/Makefile +++ b/net/802/Makefile @@ -6,7 +6,6 @@ obj-$(CONFIG_LLC) += psnap.o obj-$(CONFIG_NET_FC) += fc.o obj-$(CONFIG_FDDI) += fddi.o -obj-$(CONFIG_HIPPI) += hippi.o obj-$(CONFIG_ATALK) += psnap.o obj-$(CONFIG_STP) += stp.o obj-$(CONFIG_GARP) += garp.o diff --git a/net/802/hippi.c b/net/802/hippi.c deleted file mode 100644 index 1997b7dd265e..000000000000 --- a/net/802/hippi.c +++ /dev/null @@ -1,193 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * INET An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * HIPPI-type device handling. - * - * Version: @(#)hippi.c 1.0.0 05/29/97 - * - * Authors: Ross Biro - * Fred N. van Kempen, - * Mark Evans, - * Florian La Roche, - * Alan Cox, - * Jes Sorensen, - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/* - * Create the HIPPI MAC header for an arbitrary protocol layer - * - * saddr=NULL means use device source address - * daddr=NULL means leave destination address (eg unresolved arp) - */ - -static int hippi_header(struct sk_buff *skb, struct net_device *dev, - unsigned short type, - const void *daddr, const void *saddr, unsigned int len) -{ - struct hippi_hdr *hip = skb_push(skb, HIPPI_HLEN); - struct hippi_cb *hcb = (struct hippi_cb *) skb->cb; - - if (!len){ - len = skb->len - HIPPI_HLEN; - printk("hippi_header(): length not supplied\n"); - } - - /* - * Due to the stupidity of the little endian byte-order we - * have to set the fp field this way. - */ - hip->fp.fixed = htonl(0x04800018); - hip->fp.d2_size = htonl(len + 8); - hip->le.fc = 0; - hip->le.double_wide = 0; /* only HIPPI 800 for the time being */ - hip->le.message_type = 0; /* Data PDU */ - - hip->le.dest_addr_type = 2; /* 12 bit SC address */ - hip->le.src_addr_type = 2; /* 12 bit SC address */ - - memcpy(hip->le.src_switch_addr, dev->dev_addr + 3, 3); - memset_startat(&hip->le, 0, reserved); - - hip->snap.dsap = HIPPI_EXTENDED_SAP; - hip->snap.ssap = HIPPI_EXTENDED_SAP; - hip->snap.ctrl = HIPPI_UI_CMD; - hip->snap.oui[0] = 0x00; - hip->snap.oui[1] = 0x00; - hip->snap.oui[2] = 0x00; - hip->snap.ethertype = htons(type); - - if (daddr) - { - memcpy(hip->le.dest_switch_addr, daddr + 3, 3); - memcpy(&hcb->ifield, daddr + 2, 4); - return HIPPI_HLEN; - } - hcb->ifield = 0; - return -((int)HIPPI_HLEN); -} - - -/* - * Determine the packet's protocol ID. - */ - -__be16 hippi_type_trans(struct sk_buff *skb, struct net_device *dev) -{ - struct hippi_hdr *hip; - - /* - * This is actually wrong ... question is if we really should - * set the raw address here. - */ - skb->dev = dev; - skb_reset_mac_header(skb); - hip = (struct hippi_hdr *)skb_mac_header(skb); - skb_pull(skb, HIPPI_HLEN); - - /* - * No fancy promisc stuff here now. - */ - - return hip->snap.ethertype; -} - -EXPORT_SYMBOL(hippi_type_trans); - -/* - * For HIPPI we will actually use the lower 4 bytes of the hardware - * address as the I-FIELD rather than the actual hardware address. - */ -int hippi_mac_addr(struct net_device *dev, void *p) -{ - struct sockaddr *addr = p; - if (netif_running(dev)) - return -EBUSY; - dev_addr_set(dev, addr->sa_data); - return 0; -} -EXPORT_SYMBOL(hippi_mac_addr); - -int hippi_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p) -{ - /* Never send broadcast/multicast ARP messages */ - NEIGH_VAR_INIT(p, MCAST_PROBES, 0); - - /* In IPv6 unicast probes are valid even on NBMA, - * because they are encapsulated in normal IPv6 protocol. - * Should be a generic flag. - */ - if (p->tbl->family != AF_INET6) - NEIGH_VAR_INIT(p, UCAST_PROBES, 0); - return 0; -} -EXPORT_SYMBOL(hippi_neigh_setup_dev); - -static const struct header_ops hippi_header_ops = { - .create = hippi_header, -}; - - -static void hippi_setup(struct net_device *dev) -{ - dev->header_ops = &hippi_header_ops; - - /* - * We don't support HIPPI `ARP' for the time being, and probably - * never will unless someone else implements it. However we - * still need a fake ARPHRD to make ifconfig and friends play ball. - */ - dev->type = ARPHRD_HIPPI; - dev->hard_header_len = HIPPI_HLEN; - dev->mtu = 65280; - dev->min_mtu = 68; - dev->max_mtu = 65280; - dev->addr_len = HIPPI_ALEN; - dev->tx_queue_len = 25 /* 5 */; - memset(dev->broadcast, 0xFF, HIPPI_ALEN); - - - /* - * HIPPI doesn't support broadcast+multicast and we only use - * static ARP tables. ARP is disabled by hippi_neigh_setup_dev. - */ - dev->flags = 0; -} - -/** - * alloc_hippi_dev - Register HIPPI device - * @sizeof_priv: Size of additional driver-private structure to be allocated - * for this HIPPI device - * - * Fill in the fields of the device structure with HIPPI-generic values. - * - * Constructs a new net device, complete with a private data area of - * size @sizeof_priv. A 32-byte (not bit) alignment is enforced for - * this private data area. - */ - -struct net_device *alloc_hippi_dev(int sizeof_priv) -{ - return alloc_netdev(sizeof_priv, "hip%d", NET_NAME_UNKNOWN, - hippi_setup); -} - -EXPORT_SYMBOL(alloc_hippi_dev); diff --git a/rust/kernel/pci/id.rs b/rust/kernel/pci/id.rs index c09125946d9e..42ffb1bbf87c 100644 --- a/rust/kernel/pci/id.rs +++ b/rust/kernel/pci/id.rs @@ -416,7 +416,6 @@ define_all_pci_vendors! { MICROSEMI = bindings::PCI_VENDOR_ID_MICROSEMI, // 0x11f8 RP = bindings::PCI_VENDOR_ID_RP, // 0x11fe CYCLADES = bindings::PCI_VENDOR_ID_CYCLADES, // 0x120e - ESSENTIAL = bindings::PCI_VENDOR_ID_ESSENTIAL, // 0x120f O2 = bindings::PCI_VENDOR_ID_O2, // 0x1217 THREEDX = bindings::PCI_VENDOR_ID_3DFX, // 0x121a AVM = bindings::PCI_VENDOR_ID_AVM, // 0x1244