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Message-Id: <EFBFCF4B-745B-4B1B-A176-08CE8CADBFEA@volery.com>
Date: Tue, 10 Dec 2019 12:40:54 +0100
From: Sandro Volery <sandro@...ery.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
Guenter Roeck <linux@...ck-us.net>,
David Daney <ddaney@...iumnetworks.com>,
"David S. Miller" <davem@...emloft.net>,
"Matthew Wilcox (Oracle)" <willy@...radead.org>,
YueHaibing <yuehaibing@...wei.com>,
Aaro Koskinen <aaro.koskinen@....fi>,
Wambui Karuga <wambui.karugax@...il.com>,
Julia Lawall <julia.lawall@...6.fr>,
Florian Westphal <fw@...len.de>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Branden Bonaby <brandonbonaby94@...il.com>,
Petr Štetiar <ynezz@...e.cz>,
Paul Burton <paulburton@...nel.org>,
Dan Carpenter <dan.carpenter@...cle.com>,
Giovanni Gherdovich <bobdc9664@...nam.cz>,
Valery Ivanov <ivalery111@...il.com>
Subject: Re: [PATCH 1/2] staging: octeon: delete driver
Doesn't octeon have drivers out of staging already?
What is this module for?
Sandro V
> On 10 Dec 2019, at 10:15, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
>
> This driver has been in the tree since 2009 with no real movement to get
> it out. Now it is starting to cause build issues and other problems for
> people who want to fix coding style problems, but can not actually build
> it.
>
> As nothing is happening here, just delete the module entirely.
>
> Reported-by: Guenter Roeck <linux@...ck-us.net>
> Cc: David Daney <ddaney@...iumnetworks.com>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>
> Cc: Guenter Roeck <linux@...ck-us.net>
> Cc: YueHaibing <yuehaibing@...wei.com>
> Cc: Aaro Koskinen <aaro.koskinen@....fi>
> Cc: Wambui Karuga <wambui.karugax@...il.com>
> Cc: Julia Lawall <julia.lawall@...6.fr>
> Cc: Florian Westphal <fw@...len.de>
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: Branden Bonaby <brandonbonaby94@...il.com>
> Cc: "Petr Štetiar" <ynezz@...e.cz>
> Cc: Sandro Volery <sandro@...ery.com>
> Cc: Paul Burton <paulburton@...nel.org>
> Cc: Dan Carpenter <dan.carpenter@...cle.com>
> Cc: Giovanni Gherdovich <bobdc9664@...nam.cz>
> Cc: Valery Ivanov <ivalery111@...il.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
> drivers/staging/Kconfig | 2 -
> drivers/staging/Makefile | 1 -
> drivers/staging/octeon/Kconfig | 16 -
> drivers/staging/octeon/Makefile | 19 -
> drivers/staging/octeon/TODO | 9 -
> drivers/staging/octeon/ethernet-defines.h | 40 -
> drivers/staging/octeon/ethernet-mdio.c | 178 ---
> drivers/staging/octeon/ethernet-mdio.h | 28 -
> drivers/staging/octeon/ethernet-mem.c | 154 ---
> drivers/staging/octeon/ethernet-mem.h | 9 -
> drivers/staging/octeon/ethernet-rgmii.c | 158 ---
> drivers/staging/octeon/ethernet-rx.c | 538 --------
> drivers/staging/octeon/ethernet-rx.h | 31 -
> drivers/staging/octeon/ethernet-sgmii.c | 30 -
> drivers/staging/octeon/ethernet-spi.c | 226 ----
> drivers/staging/octeon/ethernet-tx.c | 717 -----------
> drivers/staging/octeon/ethernet-tx.h | 14 -
> drivers/staging/octeon/ethernet-util.h | 47 -
> drivers/staging/octeon/ethernet.c | 992 --------------
> drivers/staging/octeon/octeon-ethernet.h | 107 --
> drivers/staging/octeon/octeon-stubs.h | 1433 ---------------------
> 21 files changed, 4749 deletions(-)
> delete mode 100644 drivers/staging/octeon/Kconfig
> delete mode 100644 drivers/staging/octeon/Makefile
> delete mode 100644 drivers/staging/octeon/TODO
> delete mode 100644 drivers/staging/octeon/ethernet-defines.h
> delete mode 100644 drivers/staging/octeon/ethernet-mdio.c
> delete mode 100644 drivers/staging/octeon/ethernet-mdio.h
> delete mode 100644 drivers/staging/octeon/ethernet-mem.c
> delete mode 100644 drivers/staging/octeon/ethernet-mem.h
> delete mode 100644 drivers/staging/octeon/ethernet-rgmii.c
> delete mode 100644 drivers/staging/octeon/ethernet-rx.c
> delete mode 100644 drivers/staging/octeon/ethernet-rx.h
> delete mode 100644 drivers/staging/octeon/ethernet-sgmii.c
> delete mode 100644 drivers/staging/octeon/ethernet-spi.c
> delete mode 100644 drivers/staging/octeon/ethernet-tx.c
> delete mode 100644 drivers/staging/octeon/ethernet-tx.h
> delete mode 100644 drivers/staging/octeon/ethernet-util.h
> delete mode 100644 drivers/staging/octeon/ethernet.c
> delete mode 100644 drivers/staging/octeon/octeon-ethernet.h
> delete mode 100644 drivers/staging/octeon/octeon-stubs.h
>
> diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
> index eaf753b70ec5..15d3549e7cc7 100644
> --- a/drivers/staging/Kconfig
> +++ b/drivers/staging/Kconfig
> @@ -42,8 +42,6 @@ source "drivers/staging/rtl8188eu/Kconfig"
>
> source "drivers/staging/rts5208/Kconfig"
>
> -source "drivers/staging/octeon/Kconfig"
> -
> source "drivers/staging/octeon-usb/Kconfig"
>
> source "drivers/staging/vt6655/Kconfig"
> diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
> index 0a4396c9067b..c521204220b5 100644
> --- a/drivers/staging/Makefile
> +++ b/drivers/staging/Makefile
> @@ -12,7 +12,6 @@ obj-$(CONFIG_R8712U) += rtl8712/
> obj-$(CONFIG_R8188EU) += rtl8188eu/
> obj-$(CONFIG_RTS5208) += rts5208/
> obj-$(CONFIG_NETLOGIC_XLR_NET) += netlogic/
> -obj-$(CONFIG_OCTEON_ETHERNET) += octeon/
> obj-$(CONFIG_OCTEON_USB) += octeon-usb/
> obj-$(CONFIG_VT6655) += vt6655/
> obj-$(CONFIG_VT6656) += vt6656/
> diff --git a/drivers/staging/octeon/Kconfig b/drivers/staging/octeon/Kconfig
> deleted file mode 100644
> index e7f4ddcc1361..000000000000
> --- a/drivers/staging/octeon/Kconfig
> +++ /dev/null
> @@ -1,16 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0
> -config OCTEON_ETHERNET
> - tristate "Cavium Networks Octeon Ethernet support"
> - depends on CAVIUM_OCTEON_SOC || COMPILE_TEST
> - depends on NETDEVICES
> - depends on BROKEN
> - select PHYLIB
> - select MDIO_OCTEON
> - help
> - This driver supports the builtin ethernet ports on Cavium
> - Networks' products in the Octeon family. This driver supports the
> - CN3XXX and CN5XXX Octeon processors.
> -
> - To compile this driver as a module, choose M here. The module
> - will be called octeon-ethernet.
> -
> diff --git a/drivers/staging/octeon/Makefile b/drivers/staging/octeon/Makefile
> deleted file mode 100644
> index 3887cf5f1e84..000000000000
> --- a/drivers/staging/octeon/Makefile
> +++ /dev/null
> @@ -1,19 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0
> -#
> -# Copyright (C) 2005-2009 Cavium Networks
> -#
> -
> -#
> -# Makefile for Cavium OCTEON on-board ethernet driver
> -#
> -
> -obj-${CONFIG_OCTEON_ETHERNET} := octeon-ethernet.o
> -
> -octeon-ethernet-y := ethernet.o
> -octeon-ethernet-y += ethernet-mdio.o
> -octeon-ethernet-y += ethernet-mem.o
> -octeon-ethernet-y += ethernet-rgmii.o
> -octeon-ethernet-y += ethernet-rx.o
> -octeon-ethernet-y += ethernet-sgmii.o
> -octeon-ethernet-y += ethernet-spi.o
> -octeon-ethernet-y += ethernet-tx.o
> diff --git a/drivers/staging/octeon/TODO b/drivers/staging/octeon/TODO
> deleted file mode 100644
> index 67a0a1f6b922..000000000000
> --- a/drivers/staging/octeon/TODO
> +++ /dev/null
> @@ -1,9 +0,0 @@
> -This driver is functional and supports Ethernet on OCTEON+/OCTEON2/OCTEON3
> -chips at least up to CN7030.
> -
> -TODO:
> - - general code review and clean up
> - - make driver self-contained instead of being split between staging and
> - arch/mips/cavium-octeon.
> -
> -Contact: Aaro Koskinen <aaro.koskinen@....fi>
> diff --git a/drivers/staging/octeon/ethernet-defines.h b/drivers/staging/octeon/ethernet-defines.h
> deleted file mode 100644
> index ef9e767b0e2e..000000000000
> --- a/drivers/staging/octeon/ethernet-defines.h
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -/*
> - * A few defines are used to control the operation of this driver:
> - * USE_ASYNC_IOBDMA
> - * Use asynchronous IO access to hardware. This uses Octeon's asynchronous
> - * IOBDMAs to issue IO accesses without stalling. Set this to zero
> - * to disable this. Note that IOBDMAs require CVMSEG.
> - * REUSE_SKBUFFS_WITHOUT_FREE
> - * Allows the TX path to free an skbuff into the FPA hardware pool. This
> - * can significantly improve performance for forwarding and bridging, but
> - * may be somewhat dangerous. Checks are made, but if any buffer is reused
> - * without the proper Linux cleanup, the networking stack may have very
> - * bizarre bugs.
> - */
> -#ifndef __ETHERNET_DEFINES_H__
> -#define __ETHERNET_DEFINES_H__
> -
> -#ifdef CONFIG_NETFILTER
> -#define REUSE_SKBUFFS_WITHOUT_FREE 0
> -#else
> -#define REUSE_SKBUFFS_WITHOUT_FREE 1
> -#endif
> -
> -#define USE_ASYNC_IOBDMA (CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0)
> -
> -/* Maximum number of SKBs to try to free per xmit packet. */
> -#define MAX_OUT_QUEUE_DEPTH 1000
> -
> -#define FAU_TOTAL_TX_TO_CLEAN (CVMX_FAU_REG_END - sizeof(u32))
> -#define FAU_NUM_PACKET_BUFFERS_TO_FREE (FAU_TOTAL_TX_TO_CLEAN - sizeof(u32))
> -
> -#define TOTAL_NUMBER_OF_PORTS (CVMX_PIP_NUM_INPUT_PORTS + 1)
> -
> -#endif /* __ETHERNET_DEFINES_H__ */
> diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c
> deleted file mode 100644
> index c798672d61b2..000000000000
> --- a/drivers/staging/octeon/ethernet-mdio.c
> +++ /dev/null
> @@ -1,178 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -#include <linux/kernel.h>
> -#include <linux/ethtool.h>
> -#include <linux/phy.h>
> -#include <linux/ratelimit.h>
> -#include <linux/of_mdio.h>
> -#include <generated/utsrelease.h>
> -#include <net/dst.h>
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-defines.h"
> -#include "ethernet-mdio.h"
> -#include "ethernet-util.h"
> -
> -static void cvm_oct_get_drvinfo(struct net_device *dev,
> - struct ethtool_drvinfo *info)
> -{
> - strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
> - strlcpy(info->version, UTS_RELEASE, sizeof(info->version));
> - strlcpy(info->bus_info, "Builtin", sizeof(info->bus_info));
> -}
> -
> -static int cvm_oct_nway_reset(struct net_device *dev)
> -{
> - if (!capable(CAP_NET_ADMIN))
> - return -EPERM;
> -
> - if (dev->phydev)
> - return phy_start_aneg(dev->phydev);
> -
> - return -EINVAL;
> -}
> -
> -const struct ethtool_ops cvm_oct_ethtool_ops = {
> - .get_drvinfo = cvm_oct_get_drvinfo,
> - .nway_reset = cvm_oct_nway_reset,
> - .get_link = ethtool_op_get_link,
> - .get_link_ksettings = phy_ethtool_get_link_ksettings,
> - .set_link_ksettings = phy_ethtool_set_link_ksettings,
> -};
> -
> -/**
> - * cvm_oct_ioctl - IOCTL support for PHY control
> - * @dev: Device to change
> - * @rq: the request
> - * @cmd: the command
> - *
> - * Returns Zero on success
> - */
> -int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
> -{
> - if (!netif_running(dev))
> - return -EINVAL;
> -
> - if (!dev->phydev)
> - return -EINVAL;
> -
> - return phy_mii_ioctl(dev->phydev, rq, cmd);
> -}
> -
> -void cvm_oct_note_carrier(struct octeon_ethernet *priv,
> - union cvmx_helper_link_info li)
> -{
> - if (li.s.link_up) {
> - pr_notice_ratelimited("%s: %u Mbps %s duplex, port %d, queue %d\n",
> - netdev_name(priv->netdev), li.s.speed,
> - (li.s.full_duplex) ? "Full" : "Half",
> - priv->port, priv->queue);
> - } else {
> - pr_notice_ratelimited("%s: Link down\n",
> - netdev_name(priv->netdev));
> - }
> -}
> -
> -void cvm_oct_adjust_link(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - union cvmx_helper_link_info link_info;
> -
> - link_info.u64 = 0;
> - link_info.s.link_up = dev->phydev->link ? 1 : 0;
> - link_info.s.full_duplex = dev->phydev->duplex ? 1 : 0;
> - link_info.s.speed = dev->phydev->speed;
> - priv->link_info = link_info.u64;
> -
> - /*
> - * The polling task need to know about link status changes.
> - */
> - if (priv->poll)
> - priv->poll(dev);
> -
> - if (priv->last_link != dev->phydev->link) {
> - priv->last_link = dev->phydev->link;
> - cvmx_helper_link_set(priv->port, link_info);
> - cvm_oct_note_carrier(priv, link_info);
> - }
> -}
> -
> -int cvm_oct_common_stop(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - int interface = INTERFACE(priv->port);
> - union cvmx_helper_link_info link_info;
> - union cvmx_gmxx_prtx_cfg gmx_cfg;
> - int index = INDEX(priv->port);
> -
> - gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
> - gmx_cfg.s.en = 0;
> - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
> -
> - priv->poll = NULL;
> -
> - if (dev->phydev)
> - phy_disconnect(dev->phydev);
> -
> - if (priv->last_link) {
> - link_info.u64 = 0;
> - priv->last_link = 0;
> -
> - cvmx_helper_link_set(priv->port, link_info);
> - cvm_oct_note_carrier(priv, link_info);
> - }
> - return 0;
> -}
> -
> -/**
> - * cvm_oct_phy_setup_device - setup the PHY
> - *
> - * @dev: Device to setup
> - *
> - * Returns Zero on success, negative on failure
> - */
> -int cvm_oct_phy_setup_device(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - struct device_node *phy_node;
> - struct phy_device *phydev = NULL;
> -
> - if (!priv->of_node)
> - goto no_phy;
> -
> - phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0);
> - if (!phy_node && of_phy_is_fixed_link(priv->of_node)) {
> - int rc;
> -
> - rc = of_phy_register_fixed_link(priv->of_node);
> - if (rc)
> - return rc;
> -
> - phy_node = of_node_get(priv->of_node);
> - }
> - if (!phy_node)
> - goto no_phy;
> -
> - phydev = of_phy_connect(dev, phy_node, cvm_oct_adjust_link, 0,
> - priv->phy_mode);
> - of_node_put(phy_node);
> -
> - if (!phydev)
> - return -ENODEV;
> -
> - priv->last_link = 0;
> - phy_start(phydev);
> -
> - return 0;
> -no_phy:
> - /* If there is no phy, assume a direct MAC connection and that
> - * the link is up.
> - */
> - netif_carrier_on(dev);
> - return 0;
> -}
> diff --git a/drivers/staging/octeon/ethernet-mdio.h b/drivers/staging/octeon/ethernet-mdio.h
> deleted file mode 100644
> index e3771d48c49b..000000000000
> --- a/drivers/staging/octeon/ethernet-mdio.h
> +++ /dev/null
> @@ -1,28 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -#include <linux/module.h>
> -#include <linux/kernel.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#include <linux/ip.h>
> -#include <linux/string.h>
> -#include <linux/ethtool.h>
> -#include <linux/seq_file.h>
> -#include <linux/proc_fs.h>
> -#include <net/dst.h>
> -#ifdef CONFIG_XFRM
> -#include <linux/xfrm.h>
> -#include <net/xfrm.h>
> -#endif /* CONFIG_XFRM */
> -
> -extern const struct ethtool_ops cvm_oct_ethtool_ops;
> -
> -void octeon_mdiobus_force_mod_depencency(void);
> -
> -int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
> -int cvm_oct_phy_setup_device(struct net_device *dev);
> diff --git a/drivers/staging/octeon/ethernet-mem.c b/drivers/staging/octeon/ethernet-mem.c
> deleted file mode 100644
> index 532594957ebc..000000000000
> --- a/drivers/staging/octeon/ethernet-mem.c
> +++ /dev/null
> @@ -1,154 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2010 Cavium Networks
> - */
> -
> -#include <linux/kernel.h>
> -#include <linux/netdevice.h>
> -#include <linux/slab.h>
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-mem.h"
> -#include "ethernet-defines.h"
> -
> -/**
> - * cvm_oct_fill_hw_skbuff - fill the supplied hardware pool with skbuffs
> - * @pool: Pool to allocate an skbuff for
> - * @size: Size of the buffer needed for the pool
> - * @elements: Number of buffers to allocate
> - *
> - * Returns the actual number of buffers allocated.
> - */
> -static int cvm_oct_fill_hw_skbuff(int pool, int size, int elements)
> -{
> - int freed = elements;
> -
> - while (freed) {
> - struct sk_buff *skb = dev_alloc_skb(size + 256);
> -
> - if (unlikely(!skb))
> - break;
> - skb_reserve(skb, 256 - (((unsigned long)skb->data) & 0x7f));
> - *(struct sk_buff **)(skb->data - sizeof(void *)) = skb;
> - cvmx_fpa_free(skb->data, pool, size / 128);
> - freed--;
> - }
> - return elements - freed;
> -}
> -
> -/**
> - * cvm_oct_free_hw_skbuff- free hardware pool skbuffs
> - * @pool: Pool to allocate an skbuff for
> - * @size: Size of the buffer needed for the pool
> - * @elements: Number of buffers to allocate
> - */
> -static void cvm_oct_free_hw_skbuff(int pool, int size, int elements)
> -{
> - char *memory;
> -
> - do {
> - memory = cvmx_fpa_alloc(pool);
> - if (memory) {
> - struct sk_buff *skb =
> - *(struct sk_buff **)(memory - sizeof(void *));
> - elements--;
> - dev_kfree_skb(skb);
> - }
> - } while (memory);
> -
> - if (elements < 0)
> - pr_warn("Freeing of pool %u had too many skbuffs (%d)\n",
> - pool, elements);
> - else if (elements > 0)
> - pr_warn("Freeing of pool %u is missing %d skbuffs\n",
> - pool, elements);
> -}
> -
> -/**
> - * cvm_oct_fill_hw_memory - fill a hardware pool with memory.
> - * @pool: Pool to populate
> - * @size: Size of each buffer in the pool
> - * @elements: Number of buffers to allocate
> - *
> - * Returns the actual number of buffers allocated.
> - */
> -static int cvm_oct_fill_hw_memory(int pool, int size, int elements)
> -{
> - char *memory;
> - char *fpa;
> - int freed = elements;
> -
> - while (freed) {
> - /*
> - * FPA memory must be 128 byte aligned. Since we are
> - * aligning we need to save the original pointer so we
> - * can feed it to kfree when the memory is returned to
> - * the kernel.
> - *
> - * We allocate an extra 256 bytes to allow for
> - * alignment and space for the original pointer saved
> - * just before the block.
> - */
> - memory = kmalloc(size + 256, GFP_ATOMIC);
> - if (unlikely(!memory)) {
> - pr_warn("Unable to allocate %u bytes for FPA pool %d\n",
> - elements * size, pool);
> - break;
> - }
> - fpa = (char *)(((unsigned long)memory + 256) & ~0x7fUL);
> - *((char **)fpa - 1) = memory;
> - cvmx_fpa_free(fpa, pool, 0);
> - freed--;
> - }
> - return elements - freed;
> -}
> -
> -/**
> - * cvm_oct_free_hw_memory - Free memory allocated by cvm_oct_fill_hw_memory
> - * @pool: FPA pool to free
> - * @size: Size of each buffer in the pool
> - * @elements: Number of buffers that should be in the pool
> - */
> -static void cvm_oct_free_hw_memory(int pool, int size, int elements)
> -{
> - char *memory;
> - char *fpa;
> -
> - do {
> - fpa = cvmx_fpa_alloc(pool);
> - if (fpa) {
> - elements--;
> - fpa = (char *)phys_to_virt(cvmx_ptr_to_phys(fpa));
> - memory = *((char **)fpa - 1);
> - kfree(memory);
> - }
> - } while (fpa);
> -
> - if (elements < 0)
> - pr_warn("Freeing of pool %u had too many buffers (%d)\n",
> - pool, elements);
> - else if (elements > 0)
> - pr_warn("Warning: Freeing of pool %u is missing %d buffers\n",
> - pool, elements);
> -}
> -
> -int cvm_oct_mem_fill_fpa(int pool, int size, int elements)
> -{
> - int freed;
> -
> - if (pool == CVMX_FPA_PACKET_POOL)
> - freed = cvm_oct_fill_hw_skbuff(pool, size, elements);
> - else
> - freed = cvm_oct_fill_hw_memory(pool, size, elements);
> - return freed;
> -}
> -
> -void cvm_oct_mem_empty_fpa(int pool, int size, int elements)
> -{
> - if (pool == CVMX_FPA_PACKET_POOL)
> - cvm_oct_free_hw_skbuff(pool, size, elements);
> - else
> - cvm_oct_free_hw_memory(pool, size, elements);
> -}
> diff --git a/drivers/staging/octeon/ethernet-mem.h b/drivers/staging/octeon/ethernet-mem.h
> deleted file mode 100644
> index 692dcdb7154d..000000000000
> --- a/drivers/staging/octeon/ethernet-mem.h
> +++ /dev/null
> @@ -1,9 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -int cvm_oct_mem_fill_fpa(int pool, int size, int elements);
> -void cvm_oct_mem_empty_fpa(int pool, int size, int elements);
> diff --git a/drivers/staging/octeon/ethernet-rgmii.c b/drivers/staging/octeon/ethernet-rgmii.c
> deleted file mode 100644
> index 0c4fac31540a..000000000000
> --- a/drivers/staging/octeon/ethernet-rgmii.c
> +++ /dev/null
> @@ -1,158 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -#include <linux/kernel.h>
> -#include <linux/netdevice.h>
> -#include <linux/interrupt.h>
> -#include <linux/phy.h>
> -#include <linux/ratelimit.h>
> -#include <net/dst.h>
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-defines.h"
> -#include "ethernet-util.h"
> -#include "ethernet-mdio.h"
> -
> -static DEFINE_SPINLOCK(global_register_lock);
> -
> -static void cvm_oct_set_hw_preamble(struct octeon_ethernet *priv, bool enable)
> -{
> - union cvmx_gmxx_rxx_frm_ctl gmxx_rxx_frm_ctl;
> - union cvmx_ipd_sub_port_fcs ipd_sub_port_fcs;
> - union cvmx_gmxx_rxx_int_reg gmxx_rxx_int_reg;
> - int interface = INTERFACE(priv->port);
> - int index = INDEX(priv->port);
> -
> - /* Set preamble checking. */
> - gmxx_rxx_frm_ctl.u64 = cvmx_read_csr(CVMX_GMXX_RXX_FRM_CTL(index,
> - interface));
> - gmxx_rxx_frm_ctl.s.pre_chk = enable;
> - cvmx_write_csr(CVMX_GMXX_RXX_FRM_CTL(index, interface),
> - gmxx_rxx_frm_ctl.u64);
> -
> - /* Set FCS stripping. */
> - ipd_sub_port_fcs.u64 = cvmx_read_csr(CVMX_IPD_SUB_PORT_FCS);
> - if (enable)
> - ipd_sub_port_fcs.s.port_bit |= 1ull << priv->port;
> - else
> - ipd_sub_port_fcs.s.port_bit &=
> - 0xffffffffull ^ (1ull << priv->port);
> - cvmx_write_csr(CVMX_IPD_SUB_PORT_FCS, ipd_sub_port_fcs.u64);
> -
> - /* Clear any error bits. */
> - gmxx_rxx_int_reg.u64 = cvmx_read_csr(CVMX_GMXX_RXX_INT_REG(index,
> - interface));
> - cvmx_write_csr(CVMX_GMXX_RXX_INT_REG(index, interface),
> - gmxx_rxx_int_reg.u64);
> -}
> -
> -static void cvm_oct_check_preamble_errors(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - union cvmx_helper_link_info link_info;
> - unsigned long flags;
> -
> - link_info.u64 = priv->link_info;
> -
> - /*
> - * Take the global register lock since we are going to
> - * touch registers that affect more than one port.
> - */
> - spin_lock_irqsave(&global_register_lock, flags);
> -
> - if (link_info.s.speed == 10 && priv->last_speed == 10) {
> - /*
> - * Read the GMXX_RXX_INT_REG[PCTERR] bit and see if we are
> - * getting preamble errors.
> - */
> - int interface = INTERFACE(priv->port);
> - int index = INDEX(priv->port);
> - union cvmx_gmxx_rxx_int_reg gmxx_rxx_int_reg;
> -
> - gmxx_rxx_int_reg.u64 = cvmx_read_csr(CVMX_GMXX_RXX_INT_REG
> - (index, interface));
> - if (gmxx_rxx_int_reg.s.pcterr) {
> - /*
> - * We are getting preamble errors at 10Mbps. Most
> - * likely the PHY is giving us packets with misaligned
> - * preambles. In order to get these packets we need to
> - * disable preamble checking and do it in software.
> - */
> - cvm_oct_set_hw_preamble(priv, false);
> - printk_ratelimited("%s: Using 10Mbps with software preamble removal\n",
> - dev->name);
> - }
> - } else {
> - /*
> - * Since the 10Mbps preamble workaround is allowed we need to
> - * enable preamble checking, FCS stripping, and clear error
> - * bits on every speed change. If errors occur during 10Mbps
> - * operation the above code will change this stuff
> - */
> - if (priv->last_speed != link_info.s.speed)
> - cvm_oct_set_hw_preamble(priv, true);
> - priv->last_speed = link_info.s.speed;
> - }
> - spin_unlock_irqrestore(&global_register_lock, flags);
> -}
> -
> -static void cvm_oct_rgmii_poll(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - union cvmx_helper_link_info link_info;
> - bool status_change;
> -
> - link_info = cvmx_helper_link_get(priv->port);
> - if (priv->link_info != link_info.u64 &&
> - cvmx_helper_link_set(priv->port, link_info))
> - link_info.u64 = priv->link_info;
> - status_change = priv->link_info != link_info.u64;
> - priv->link_info = link_info.u64;
> -
> - cvm_oct_check_preamble_errors(dev);
> -
> - if (likely(!status_change))
> - return;
> -
> - /* Tell core. */
> - if (link_info.s.link_up) {
> - if (!netif_carrier_ok(dev))
> - netif_carrier_on(dev);
> - } else if (netif_carrier_ok(dev)) {
> - netif_carrier_off(dev);
> - }
> - cvm_oct_note_carrier(priv, link_info);
> -}
> -
> -int cvm_oct_rgmii_open(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - int ret;
> -
> - ret = cvm_oct_common_open(dev, cvm_oct_rgmii_poll);
> - if (ret)
> - return ret;
> -
> - if (dev->phydev) {
> - /*
> - * In phydev mode, we need still periodic polling for the
> - * preamble error checking, and we also need to call this
> - * function on every link state change.
> - *
> - * Only true RGMII ports need to be polled. In GMII mode, port
> - * 0 is really a RGMII port.
> - */
> - if ((priv->imode == CVMX_HELPER_INTERFACE_MODE_GMII &&
> - priv->port == 0) ||
> - (priv->imode == CVMX_HELPER_INTERFACE_MODE_RGMII)) {
> - priv->poll = cvm_oct_check_preamble_errors;
> - cvm_oct_check_preamble_errors(dev);
> - }
> - }
> -
> - return 0;
> -}
> diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
> deleted file mode 100644
> index 2c16230f993c..000000000000
> --- a/drivers/staging/octeon/ethernet-rx.c
> +++ /dev/null
> @@ -1,538 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2010 Cavium Networks
> - */
> -
> -#include <linux/module.h>
> -#include <linux/kernel.h>
> -#include <linux/cache.h>
> -#include <linux/cpumask.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#include <linux/ip.h>
> -#include <linux/string.h>
> -#include <linux/prefetch.h>
> -#include <linux/ratelimit.h>
> -#include <linux/smp.h>
> -#include <linux/interrupt.h>
> -#include <net/dst.h>
> -#ifdef CONFIG_XFRM
> -#include <linux/xfrm.h>
> -#include <net/xfrm.h>
> -#endif /* CONFIG_XFRM */
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-defines.h"
> -#include "ethernet-mem.h"
> -#include "ethernet-rx.h"
> -#include "ethernet-util.h"
> -
> -static atomic_t oct_rx_ready = ATOMIC_INIT(0);
> -
> -static struct oct_rx_group {
> - int irq;
> - int group;
> - struct napi_struct napi;
> -} oct_rx_group[16];
> -
> -/**
> - * cvm_oct_do_interrupt - interrupt handler.
> - * @irq: Interrupt number.
> - * @napi_id: Cookie to identify the NAPI instance.
> - *
> - * The interrupt occurs whenever the POW has packets in our group.
> - *
> - */
> -static irqreturn_t cvm_oct_do_interrupt(int irq, void *napi_id)
> -{
> - /* Disable the IRQ and start napi_poll. */
> - disable_irq_nosync(irq);
> - napi_schedule(napi_id);
> -
> - return IRQ_HANDLED;
> -}
> -
> -/**
> - * cvm_oct_check_rcv_error - process receive errors
> - * @work: Work queue entry pointing to the packet.
> - *
> - * Returns Non-zero if the packet can be dropped, zero otherwise.
> - */
> -static inline int cvm_oct_check_rcv_error(struct cvmx_wqe *work)
> -{
> - int port;
> -
> - if (octeon_has_feature(OCTEON_FEATURE_PKND))
> - port = work->word0.pip.cn68xx.pknd;
> - else
> - port = work->word1.cn38xx.ipprt;
> -
> - if ((work->word2.snoip.err_code == 10) && (work->word1.len <= 64)) {
> - /*
> - * Ignore length errors on min size packets. Some
> - * equipment incorrectly pads packets to 64+4FCS
> - * instead of 60+4FCS. Note these packets still get
> - * counted as frame errors.
> - */
> - } else if (work->word2.snoip.err_code == 5 ||
> - work->word2.snoip.err_code == 7) {
> - /*
> - * We received a packet with either an alignment error
> - * or a FCS error. This may be signalling that we are
> - * running 10Mbps with GMXX_RXX_FRM_CTL[PRE_CHK]
> - * off. If this is the case we need to parse the
> - * packet to determine if we can remove a non spec
> - * preamble and generate a correct packet.
> - */
> - int interface = cvmx_helper_get_interface_num(port);
> - int index = cvmx_helper_get_interface_index_num(port);
> - union cvmx_gmxx_rxx_frm_ctl gmxx_rxx_frm_ctl;
> -
> - gmxx_rxx_frm_ctl.u64 =
> - cvmx_read_csr(CVMX_GMXX_RXX_FRM_CTL(index, interface));
> - if (gmxx_rxx_frm_ctl.s.pre_chk == 0) {
> - u8 *ptr =
> - cvmx_phys_to_ptr(work->packet_ptr.s.addr);
> - int i = 0;
> -
> - while (i < work->word1.len - 1) {
> - if (*ptr != 0x55)
> - break;
> - ptr++;
> - i++;
> - }
> -
> - if (*ptr == 0xd5) {
> - /* Port received 0xd5 preamble */
> - work->packet_ptr.s.addr += i + 1;
> - work->word1.len -= i + 5;
> - } else if ((*ptr & 0xf) == 0xd) {
> - /* Port received 0xd preamble */
> - work->packet_ptr.s.addr += i;
> - work->word1.len -= i + 4;
> - for (i = 0; i < work->word1.len; i++) {
> - *ptr =
> - ((*ptr & 0xf0) >> 4) |
> - ((*(ptr + 1) & 0xf) << 4);
> - ptr++;
> - }
> - } else {
> - printk_ratelimited("Port %d unknown preamble, packet dropped\n",
> - port);
> - cvm_oct_free_work(work);
> - return 1;
> - }
> - }
> - } else {
> - printk_ratelimited("Port %d receive error code %d, packet dropped\n",
> - port, work->word2.snoip.err_code);
> - cvm_oct_free_work(work);
> - return 1;
> - }
> -
> - return 0;
> -}
> -
> -static void copy_segments_to_skb(struct cvmx_wqe *work, struct sk_buff *skb)
> -{
> - int segments = work->word2.s.bufs;
> - union cvmx_buf_ptr segment_ptr = work->packet_ptr;
> - int len = work->word1.len;
> - int segment_size;
> -
> - while (segments--) {
> - union cvmx_buf_ptr next_ptr;
> -
> - next_ptr = *(union cvmx_buf_ptr *)
> - cvmx_phys_to_ptr(segment_ptr.s.addr - 8);
> -
> - /*
> - * Octeon Errata PKI-100: The segment size is wrong.
> - *
> - * Until it is fixed, calculate the segment size based on
> - * the packet pool buffer size.
> - * When it is fixed, the following line should be replaced
> - * with this one:
> - * int segment_size = segment_ptr.s.size;
> - */
> - segment_size =
> - CVMX_FPA_PACKET_POOL_SIZE -
> - (segment_ptr.s.addr -
> - (((segment_ptr.s.addr >> 7) -
> - segment_ptr.s.back) << 7));
> -
> - /* Don't copy more than what is left in the packet */
> - if (segment_size > len)
> - segment_size = len;
> -
> - /* Copy the data into the packet */
> - skb_put_data(skb, cvmx_phys_to_ptr(segment_ptr.s.addr),
> - segment_size);
> - len -= segment_size;
> - segment_ptr = next_ptr;
> - }
> -}
> -
> -static int cvm_oct_poll(struct oct_rx_group *rx_group, int budget)
> -{
> - const int coreid = cvmx_get_core_num();
> - u64 old_group_mask;
> - u64 old_scratch;
> - int rx_count = 0;
> - int did_work_request = 0;
> - int packet_not_copied;
> -
> - /* Prefetch cvm_oct_device since we know we need it soon */
> - prefetch(cvm_oct_device);
> -
> - if (USE_ASYNC_IOBDMA) {
> - /* Save scratch in case userspace is using it */
> - CVMX_SYNCIOBDMA;
> - old_scratch = cvmx_scratch_read64(CVMX_SCR_SCRATCH);
> - }
> -
> - /* Only allow work for our group (and preserve priorities) */
> - if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
> - old_group_mask = cvmx_read_csr(CVMX_SSO_PPX_GRP_MSK(coreid));
> - cvmx_write_csr(CVMX_SSO_PPX_GRP_MSK(coreid),
> - BIT(rx_group->group));
> - cvmx_read_csr(CVMX_SSO_PPX_GRP_MSK(coreid)); /* Flush */
> - } else {
> - old_group_mask = cvmx_read_csr(CVMX_POW_PP_GRP_MSKX(coreid));
> - cvmx_write_csr(CVMX_POW_PP_GRP_MSKX(coreid),
> - (old_group_mask & ~0xFFFFull) |
> - BIT(rx_group->group));
> - }
> -
> - if (USE_ASYNC_IOBDMA) {
> - cvmx_pow_work_request_async(CVMX_SCR_SCRATCH, CVMX_POW_NO_WAIT);
> - did_work_request = 1;
> - }
> -
> - while (rx_count < budget) {
> - struct sk_buff *skb = NULL;
> - struct sk_buff **pskb = NULL;
> - int skb_in_hw;
> - struct cvmx_wqe *work;
> - int port;
> -
> - if (USE_ASYNC_IOBDMA && did_work_request)
> - work = cvmx_pow_work_response_async(CVMX_SCR_SCRATCH);
> - else
> - work = cvmx_pow_work_request_sync(CVMX_POW_NO_WAIT);
> -
> - prefetch(work);
> - did_work_request = 0;
> - if (!work) {
> - if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
> - cvmx_write_csr(CVMX_SSO_WQ_IQ_DIS,
> - BIT(rx_group->group));
> - cvmx_write_csr(CVMX_SSO_WQ_INT,
> - BIT(rx_group->group));
> - } else {
> - union cvmx_pow_wq_int wq_int;
> -
> - wq_int.u64 = 0;
> - wq_int.s.iq_dis = BIT(rx_group->group);
> - wq_int.s.wq_int = BIT(rx_group->group);
> - cvmx_write_csr(CVMX_POW_WQ_INT, wq_int.u64);
> - }
> - break;
> - }
> - pskb = (struct sk_buff **)
> - (cvm_oct_get_buffer_ptr(work->packet_ptr) -
> - sizeof(void *));
> - prefetch(pskb);
> -
> - if (USE_ASYNC_IOBDMA && rx_count < (budget - 1)) {
> - cvmx_pow_work_request_async_nocheck(CVMX_SCR_SCRATCH,
> - CVMX_POW_NO_WAIT);
> - did_work_request = 1;
> - }
> - rx_count++;
> -
> - skb_in_hw = work->word2.s.bufs == 1;
> - if (likely(skb_in_hw)) {
> - skb = *pskb;
> - prefetch(&skb->head);
> - prefetch(&skb->len);
> - }
> -
> - if (octeon_has_feature(OCTEON_FEATURE_PKND))
> - port = work->word0.pip.cn68xx.pknd;
> - else
> - port = work->word1.cn38xx.ipprt;
> -
> - prefetch(cvm_oct_device[port]);
> -
> - /* Immediately throw away all packets with receive errors */
> - if (unlikely(work->word2.snoip.rcv_error)) {
> - if (cvm_oct_check_rcv_error(work))
> - continue;
> - }
> -
> - /*
> - * We can only use the zero copy path if skbuffs are
> - * in the FPA pool and the packet fits in a single
> - * buffer.
> - */
> - if (likely(skb_in_hw)) {
> - skb->data = skb->head + work->packet_ptr.s.addr -
> - cvmx_ptr_to_phys(skb->head);
> - prefetch(skb->data);
> - skb->len = work->word1.len;
> - skb_set_tail_pointer(skb, skb->len);
> - packet_not_copied = 1;
> - } else {
> - /*
> - * We have to copy the packet. First allocate
> - * an skbuff for it.
> - */
> - skb = dev_alloc_skb(work->word1.len);
> - if (!skb) {
> - cvm_oct_free_work(work);
> - continue;
> - }
> -
> - /*
> - * Check if we've received a packet that was
> - * entirely stored in the work entry.
> - */
> - if (unlikely(work->word2.s.bufs == 0)) {
> - u8 *ptr = work->packet_data;
> -
> - if (likely(!work->word2.s.not_IP)) {
> - /*
> - * The beginning of the packet
> - * moves for IP packets.
> - */
> - if (work->word2.s.is_v6)
> - ptr += 2;
> - else
> - ptr += 6;
> - }
> - skb_put_data(skb, ptr, work->word1.len);
> - /* No packet buffers to free */
> - } else {
> - copy_segments_to_skb(work, skb);
> - }
> - packet_not_copied = 0;
> - }
> - if (likely((port < TOTAL_NUMBER_OF_PORTS) &&
> - cvm_oct_device[port])) {
> - struct net_device *dev = cvm_oct_device[port];
> -
> - /*
> - * Only accept packets for devices that are
> - * currently up.
> - */
> - if (likely(dev->flags & IFF_UP)) {
> - skb->protocol = eth_type_trans(skb, dev);
> - skb->dev = dev;
> -
> - if (unlikely(work->word2.s.not_IP ||
> - work->word2.s.IP_exc ||
> - work->word2.s.L4_error ||
> - !work->word2.s.tcp_or_udp))
> - skb->ip_summed = CHECKSUM_NONE;
> - else
> - skb->ip_summed = CHECKSUM_UNNECESSARY;
> -
> - /* Increment RX stats for virtual ports */
> - if (port >= CVMX_PIP_NUM_INPUT_PORTS) {
> - dev->stats.rx_packets++;
> - dev->stats.rx_bytes += skb->len;
> - }
> - netif_receive_skb(skb);
> - } else {
> - /*
> - * Drop any packet received for a device that
> - * isn't up.
> - */
> - dev->stats.rx_dropped++;
> - dev_kfree_skb_irq(skb);
> - }
> - } else {
> - /*
> - * Drop any packet received for a device that
> - * doesn't exist.
> - */
> - printk_ratelimited("Port %d not controlled by Linux, packet dropped\n",
> - port);
> - dev_kfree_skb_irq(skb);
> - }
> - /*
> - * Check to see if the skbuff and work share the same
> - * packet buffer.
> - */
> - if (likely(packet_not_copied)) {
> - /*
> - * This buffer needs to be replaced, increment
> - * the number of buffers we need to free by
> - * one.
> - */
> - cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
> - 1);
> -
> - cvmx_fpa_free(work, CVMX_FPA_WQE_POOL, 1);
> - } else {
> - cvm_oct_free_work(work);
> - }
> - }
> - /* Restore the original POW group mask */
> - if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
> - cvmx_write_csr(CVMX_SSO_PPX_GRP_MSK(coreid), old_group_mask);
> - cvmx_read_csr(CVMX_SSO_PPX_GRP_MSK(coreid)); /* Flush */
> - } else {
> - cvmx_write_csr(CVMX_POW_PP_GRP_MSKX(coreid), old_group_mask);
> - }
> -
> - if (USE_ASYNC_IOBDMA) {
> - /* Restore the scratch area */
> - cvmx_scratch_write64(CVMX_SCR_SCRATCH, old_scratch);
> - }
> - cvm_oct_rx_refill_pool(0);
> -
> - return rx_count;
> -}
> -
> -/**
> - * cvm_oct_napi_poll - the NAPI poll function.
> - * @napi: The NAPI instance.
> - * @budget: Maximum number of packets to receive.
> - *
> - * Returns the number of packets processed.
> - */
> -static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
> -{
> - struct oct_rx_group *rx_group = container_of(napi, struct oct_rx_group,
> - napi);
> - int rx_count;
> -
> - rx_count = cvm_oct_poll(rx_group, budget);
> -
> - if (rx_count < budget) {
> - /* No more work */
> - napi_complete_done(napi, rx_count);
> - enable_irq(rx_group->irq);
> - }
> - return rx_count;
> -}
> -
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> -/**
> - * cvm_oct_poll_controller - poll for receive packets
> - * device.
> - *
> - * @dev: Device to poll. Unused
> - */
> -void cvm_oct_poll_controller(struct net_device *dev)
> -{
> - int i;
> -
> - if (!atomic_read(&oct_rx_ready))
> - return;
> -
> - for (i = 0; i < ARRAY_SIZE(oct_rx_group); i++) {
> - if (!(pow_receive_groups & BIT(i)))
> - continue;
> -
> - cvm_oct_poll(&oct_rx_group[i], 16);
> - }
> -}
> -#endif
> -
> -void cvm_oct_rx_initialize(void)
> -{
> - int i;
> - struct net_device *dev_for_napi = NULL;
> -
> - for (i = 0; i < TOTAL_NUMBER_OF_PORTS; i++) {
> - if (cvm_oct_device[i]) {
> - dev_for_napi = cvm_oct_device[i];
> - break;
> - }
> - }
> -
> - if (!dev_for_napi)
> - panic("No net_devices were allocated.");
> -
> - for (i = 0; i < ARRAY_SIZE(oct_rx_group); i++) {
> - int ret;
> -
> - if (!(pow_receive_groups & BIT(i)))
> - continue;
> -
> - netif_napi_add(dev_for_napi, &oct_rx_group[i].napi,
> - cvm_oct_napi_poll, rx_napi_weight);
> - napi_enable(&oct_rx_group[i].napi);
> -
> - oct_rx_group[i].irq = OCTEON_IRQ_WORKQ0 + i;
> - oct_rx_group[i].group = i;
> -
> - /* Register an IRQ handler to receive POW interrupts */
> - ret = request_irq(oct_rx_group[i].irq, cvm_oct_do_interrupt, 0,
> - "Ethernet", &oct_rx_group[i].napi);
> - if (ret)
> - panic("Could not acquire Ethernet IRQ %d\n",
> - oct_rx_group[i].irq);
> -
> - disable_irq_nosync(oct_rx_group[i].irq);
> -
> - /* Enable POW interrupt when our port has at least one packet */
> - if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
> - union cvmx_sso_wq_int_thrx int_thr;
> - union cvmx_pow_wq_int_pc int_pc;
> -
> - int_thr.u64 = 0;
> - int_thr.s.tc_en = 1;
> - int_thr.s.tc_thr = 1;
> - cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(i), int_thr.u64);
> -
> - int_pc.u64 = 0;
> - int_pc.s.pc_thr = 5;
> - cvmx_write_csr(CVMX_SSO_WQ_INT_PC, int_pc.u64);
> - } else {
> - union cvmx_pow_wq_int_thrx int_thr;
> - union cvmx_pow_wq_int_pc int_pc;
> -
> - int_thr.u64 = 0;
> - int_thr.s.tc_en = 1;
> - int_thr.s.tc_thr = 1;
> - cvmx_write_csr(CVMX_POW_WQ_INT_THRX(i), int_thr.u64);
> -
> - int_pc.u64 = 0;
> - int_pc.s.pc_thr = 5;
> - cvmx_write_csr(CVMX_POW_WQ_INT_PC, int_pc.u64);
> - }
> -
> - /* Schedule NAPI now. This will indirectly enable the
> - * interrupt.
> - */
> - napi_schedule(&oct_rx_group[i].napi);
> - }
> - atomic_inc(&oct_rx_ready);
> -}
> -
> -void cvm_oct_rx_shutdown(void)
> -{
> - int i;
> -
> - for (i = 0; i < ARRAY_SIZE(oct_rx_group); i++) {
> - if (!(pow_receive_groups & BIT(i)))
> - continue;
> -
> - /* Disable POW interrupt */
> - if (OCTEON_IS_MODEL(OCTEON_CN68XX))
> - cvmx_write_csr(CVMX_SSO_WQ_INT_THRX(i), 0);
> - else
> - cvmx_write_csr(CVMX_POW_WQ_INT_THRX(i), 0);
> -
> - /* Free the interrupt handler */
> - free_irq(oct_rx_group[i].irq, cvm_oct_device);
> -
> - netif_napi_del(&oct_rx_group[i].napi);
> - }
> -}
> diff --git a/drivers/staging/octeon/ethernet-rx.h b/drivers/staging/octeon/ethernet-rx.h
> deleted file mode 100644
> index ff6482fa20d6..000000000000
> --- a/drivers/staging/octeon/ethernet-rx.h
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -void cvm_oct_poll_controller(struct net_device *dev);
> -void cvm_oct_rx_initialize(void);
> -void cvm_oct_rx_shutdown(void);
> -
> -static inline void cvm_oct_rx_refill_pool(int fill_threshold)
> -{
> - int number_to_free;
> - int num_freed;
> - /* Refill the packet buffer pool */
> - number_to_free =
> - cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
> -
> - if (number_to_free > fill_threshold) {
> - cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
> - -number_to_free);
> - num_freed = cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL,
> - CVMX_FPA_PACKET_POOL_SIZE,
> - number_to_free);
> - if (num_freed != number_to_free) {
> - cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE,
> - number_to_free - num_freed);
> - }
> - }
> -}
> diff --git a/drivers/staging/octeon/ethernet-sgmii.c b/drivers/staging/octeon/ethernet-sgmii.c
> deleted file mode 100644
> index d7fbd9159302..000000000000
> --- a/drivers/staging/octeon/ethernet-sgmii.c
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -#include <linux/phy.h>
> -#include <linux/kernel.h>
> -#include <linux/netdevice.h>
> -#include <linux/ratelimit.h>
> -#include <net/dst.h>
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-defines.h"
> -#include "ethernet-util.h"
> -#include "ethernet-mdio.h"
> -
> -int cvm_oct_sgmii_open(struct net_device *dev)
> -{
> - return cvm_oct_common_open(dev, cvm_oct_link_poll);
> -}
> -
> -int cvm_oct_sgmii_init(struct net_device *dev)
> -{
> - cvm_oct_common_init(dev);
> -
> - /* FIXME: Need autoneg logic */
> - return 0;
> -}
> diff --git a/drivers/staging/octeon/ethernet-spi.c b/drivers/staging/octeon/ethernet-spi.c
> deleted file mode 100644
> index c582403e6a1f..000000000000
> --- a/drivers/staging/octeon/ethernet-spi.c
> +++ /dev/null
> @@ -1,226 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -#include <linux/kernel.h>
> -#include <linux/netdevice.h>
> -#include <linux/interrupt.h>
> -#include <net/dst.h>
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-defines.h"
> -#include "ethernet-util.h"
> -
> -static int number_spi_ports;
> -static int need_retrain[2] = { 0, 0 };
> -
> -static void cvm_oct_spxx_int_pr(union cvmx_spxx_int_reg spx_int_reg, int index)
> -{
> - if (spx_int_reg.s.spf)
> - pr_err("SPI%d: SRX Spi4 interface down\n", index);
> - if (spx_int_reg.s.calerr)
> - pr_err("SPI%d: SRX Spi4 Calendar table parity error\n", index);
> - if (spx_int_reg.s.syncerr)
> - pr_err("SPI%d: SRX Consecutive Spi4 DIP4 errors have exceeded SPX_ERR_CTL[ERRCNT]\n",
> - index);
> - if (spx_int_reg.s.diperr)
> - pr_err("SPI%d: SRX Spi4 DIP4 error\n", index);
> - if (spx_int_reg.s.tpaovr)
> - pr_err("SPI%d: SRX Selected port has hit TPA overflow\n",
> - index);
> - if (spx_int_reg.s.rsverr)
> - pr_err("SPI%d: SRX Spi4 reserved control word detected\n",
> - index);
> - if (spx_int_reg.s.drwnng)
> - pr_err("SPI%d: SRX Spi4 receive FIFO drowning/overflow\n",
> - index);
> - if (spx_int_reg.s.clserr)
> - pr_err("SPI%d: SRX Spi4 packet closed on non-16B alignment without EOP\n",
> - index);
> - if (spx_int_reg.s.spiovr)
> - pr_err("SPI%d: SRX Spi4 async FIFO overflow\n", index);
> - if (spx_int_reg.s.abnorm)
> - pr_err("SPI%d: SRX Abnormal packet termination (ERR bit)\n",
> - index);
> - if (spx_int_reg.s.prtnxa)
> - pr_err("SPI%d: SRX Port out of range\n", index);
> -}
> -
> -static void cvm_oct_stxx_int_pr(union cvmx_stxx_int_reg stx_int_reg, int index)
> -{
> - if (stx_int_reg.s.syncerr)
> - pr_err("SPI%d: STX Interface encountered a fatal error\n",
> - index);
> - if (stx_int_reg.s.frmerr)
> - pr_err("SPI%d: STX FRMCNT has exceeded STX_DIP_CNT[MAXFRM]\n",
> - index);
> - if (stx_int_reg.s.unxfrm)
> - pr_err("SPI%d: STX Unexpected framing sequence\n", index);
> - if (stx_int_reg.s.nosync)
> - pr_err("SPI%d: STX ERRCNT has exceeded STX_DIP_CNT[MAXDIP]\n",
> - index);
> - if (stx_int_reg.s.diperr)
> - pr_err("SPI%d: STX DIP2 error on the Spi4 Status channel\n",
> - index);
> - if (stx_int_reg.s.datovr)
> - pr_err("SPI%d: STX Spi4 FIFO overflow error\n", index);
> - if (stx_int_reg.s.ovrbst)
> - pr_err("SPI%d: STX Transmit packet burst too big\n", index);
> - if (stx_int_reg.s.calpar1)
> - pr_err("SPI%d: STX Calendar Table Parity Error Bank%d\n",
> - index, 1);
> - if (stx_int_reg.s.calpar0)
> - pr_err("SPI%d: STX Calendar Table Parity Error Bank%d\n",
> - index, 0);
> -}
> -
> -static irqreturn_t cvm_oct_spi_spx_int(int index)
> -{
> - union cvmx_spxx_int_reg spx_int_reg;
> - union cvmx_stxx_int_reg stx_int_reg;
> -
> - spx_int_reg.u64 = cvmx_read_csr(CVMX_SPXX_INT_REG(index));
> - cvmx_write_csr(CVMX_SPXX_INT_REG(index), spx_int_reg.u64);
> - if (!need_retrain[index]) {
> - spx_int_reg.u64 &= cvmx_read_csr(CVMX_SPXX_INT_MSK(index));
> - cvm_oct_spxx_int_pr(spx_int_reg, index);
> - }
> -
> - stx_int_reg.u64 = cvmx_read_csr(CVMX_STXX_INT_REG(index));
> - cvmx_write_csr(CVMX_STXX_INT_REG(index), stx_int_reg.u64);
> - if (!need_retrain[index]) {
> - stx_int_reg.u64 &= cvmx_read_csr(CVMX_STXX_INT_MSK(index));
> - cvm_oct_stxx_int_pr(stx_int_reg, index);
> - }
> -
> - cvmx_write_csr(CVMX_SPXX_INT_MSK(index), 0);
> - cvmx_write_csr(CVMX_STXX_INT_MSK(index), 0);
> - need_retrain[index] = 1;
> -
> - return IRQ_HANDLED;
> -}
> -
> -static irqreturn_t cvm_oct_spi_rml_interrupt(int cpl, void *dev_id)
> -{
> - irqreturn_t return_status = IRQ_NONE;
> - union cvmx_npi_rsl_int_blocks rsl_int_blocks;
> -
> - /* Check and see if this interrupt was caused by the GMX block */
> - rsl_int_blocks.u64 = cvmx_read_csr(CVMX_NPI_RSL_INT_BLOCKS);
> - if (rsl_int_blocks.s.spx1) /* 19 - SPX1_INT_REG & STX1_INT_REG */
> - return_status = cvm_oct_spi_spx_int(1);
> -
> - if (rsl_int_blocks.s.spx0) /* 18 - SPX0_INT_REG & STX0_INT_REG */
> - return_status = cvm_oct_spi_spx_int(0);
> -
> - return return_status;
> -}
> -
> -static void cvm_oct_spi_enable_error_reporting(int interface)
> -{
> - union cvmx_spxx_int_msk spxx_int_msk;
> - union cvmx_stxx_int_msk stxx_int_msk;
> -
> - spxx_int_msk.u64 = cvmx_read_csr(CVMX_SPXX_INT_MSK(interface));
> - spxx_int_msk.s.calerr = 1;
> - spxx_int_msk.s.syncerr = 1;
> - spxx_int_msk.s.diperr = 1;
> - spxx_int_msk.s.tpaovr = 1;
> - spxx_int_msk.s.rsverr = 1;
> - spxx_int_msk.s.drwnng = 1;
> - spxx_int_msk.s.clserr = 1;
> - spxx_int_msk.s.spiovr = 1;
> - spxx_int_msk.s.abnorm = 1;
> - spxx_int_msk.s.prtnxa = 1;
> - cvmx_write_csr(CVMX_SPXX_INT_MSK(interface), spxx_int_msk.u64);
> -
> - stxx_int_msk.u64 = cvmx_read_csr(CVMX_STXX_INT_MSK(interface));
> - stxx_int_msk.s.frmerr = 1;
> - stxx_int_msk.s.unxfrm = 1;
> - stxx_int_msk.s.nosync = 1;
> - stxx_int_msk.s.diperr = 1;
> - stxx_int_msk.s.datovr = 1;
> - stxx_int_msk.s.ovrbst = 1;
> - stxx_int_msk.s.calpar1 = 1;
> - stxx_int_msk.s.calpar0 = 1;
> - cvmx_write_csr(CVMX_STXX_INT_MSK(interface), stxx_int_msk.u64);
> -}
> -
> -static void cvm_oct_spi_poll(struct net_device *dev)
> -{
> - static int spi4000_port;
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - int interface;
> -
> - for (interface = 0; interface < 2; interface++) {
> - if ((priv->port == interface * 16) && need_retrain[interface]) {
> - if (cvmx_spi_restart_interface
> - (interface, CVMX_SPI_MODE_DUPLEX, 10) == 0) {
> - need_retrain[interface] = 0;
> - cvm_oct_spi_enable_error_reporting(interface);
> - }
> - }
> -
> - /*
> - * The SPI4000 TWSI interface is very slow. In order
> - * not to bring the system to a crawl, we only poll a
> - * single port every second. This means negotiation
> - * speed changes take up to 10 seconds, but at least
> - * we don't waste absurd amounts of time waiting for
> - * TWSI.
> - */
> - if (priv->port == spi4000_port) {
> - /*
> - * This function does nothing if it is called on an
> - * interface without a SPI4000.
> - */
> - cvmx_spi4000_check_speed(interface, priv->port);
> - /*
> - * Normal ordering increments. By decrementing
> - * we only match once per iteration.
> - */
> - spi4000_port--;
> - if (spi4000_port < 0)
> - spi4000_port = 10;
> - }
> - }
> -}
> -
> -int cvm_oct_spi_init(struct net_device *dev)
> -{
> - int r;
> - struct octeon_ethernet *priv = netdev_priv(dev);
> -
> - if (number_spi_ports == 0) {
> - r = request_irq(OCTEON_IRQ_RML, cvm_oct_spi_rml_interrupt,
> - IRQF_SHARED, "SPI", &number_spi_ports);
> - if (r)
> - return r;
> - }
> - number_spi_ports++;
> -
> - if ((priv->port == 0) || (priv->port == 16)) {
> - cvm_oct_spi_enable_error_reporting(INTERFACE(priv->port));
> - priv->poll = cvm_oct_spi_poll;
> - }
> - cvm_oct_common_init(dev);
> - return 0;
> -}
> -
> -void cvm_oct_spi_uninit(struct net_device *dev)
> -{
> - int interface;
> -
> - cvm_oct_common_uninit(dev);
> - number_spi_ports--;
> - if (number_spi_ports == 0) {
> - for (interface = 0; interface < 2; interface++) {
> - cvmx_write_csr(CVMX_SPXX_INT_MSK(interface), 0);
> - cvmx_write_csr(CVMX_STXX_INT_MSK(interface), 0);
> - }
> - free_irq(OCTEON_IRQ_RML, &number_spi_ports);
> - }
> -}
> diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
> deleted file mode 100644
> index b334cf89794e..000000000000
> --- a/drivers/staging/octeon/ethernet-tx.c
> +++ /dev/null
> @@ -1,717 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2010 Cavium Networks
> - */
> -
> -#include <linux/module.h>
> -#include <linux/kernel.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#include <linux/ip.h>
> -#include <linux/ratelimit.h>
> -#include <linux/string.h>
> -#include <linux/interrupt.h>
> -#include <net/dst.h>
> -#ifdef CONFIG_XFRM
> -#include <linux/xfrm.h>
> -#include <net/xfrm.h>
> -#endif /* CONFIG_XFRM */
> -
> -#include <linux/atomic.h>
> -#include <net/sch_generic.h>
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-defines.h"
> -#include "ethernet-tx.h"
> -#include "ethernet-util.h"
> -
> -#define CVM_OCT_SKB_CB(skb) ((u64 *)((skb)->cb))
> -
> -/*
> - * You can define GET_SKBUFF_QOS() to override how the skbuff output
> - * function determines which output queue is used. The default
> - * implementation always uses the base queue for the port. If, for
> - * example, you wanted to use the skb->priority field, define
> - * GET_SKBUFF_QOS as: #define GET_SKBUFF_QOS(skb) ((skb)->priority)
> - */
> -#ifndef GET_SKBUFF_QOS
> -#define GET_SKBUFF_QOS(skb) 0
> -#endif
> -
> -static void cvm_oct_tx_do_cleanup(unsigned long arg);
> -static DECLARE_TASKLET(cvm_oct_tx_cleanup_tasklet, cvm_oct_tx_do_cleanup, 0);
> -
> -/* Maximum number of SKBs to try to free per xmit packet. */
> -#define MAX_SKB_TO_FREE (MAX_OUT_QUEUE_DEPTH * 2)
> -
> -static inline int cvm_oct_adjust_skb_to_free(int skb_to_free, int fau)
> -{
> - int undo;
> -
> - undo = skb_to_free > 0 ? MAX_SKB_TO_FREE : skb_to_free +
> - MAX_SKB_TO_FREE;
> - if (undo > 0)
> - cvmx_fau_atomic_add32(fau, -undo);
> - skb_to_free = -skb_to_free > MAX_SKB_TO_FREE ? MAX_SKB_TO_FREE :
> - -skb_to_free;
> - return skb_to_free;
> -}
> -
> -static void cvm_oct_kick_tx_poll_watchdog(void)
> -{
> - union cvmx_ciu_timx ciu_timx;
> -
> - ciu_timx.u64 = 0;
> - ciu_timx.s.one_shot = 1;
> - ciu_timx.s.len = cvm_oct_tx_poll_interval;
> - cvmx_write_csr(CVMX_CIU_TIMX(1), ciu_timx.u64);
> -}
> -
> -static void cvm_oct_free_tx_skbs(struct net_device *dev)
> -{
> - int skb_to_free;
> - int qos, queues_per_port;
> - int total_freed = 0;
> - int total_remaining = 0;
> - unsigned long flags;
> - struct octeon_ethernet *priv = netdev_priv(dev);
> -
> - queues_per_port = cvmx_pko_get_num_queues(priv->port);
> - /* Drain any pending packets in the free list */
> - for (qos = 0; qos < queues_per_port; qos++) {
> - if (skb_queue_len(&priv->tx_free_list[qos]) == 0)
> - continue;
> - skb_to_free = cvmx_fau_fetch_and_add32(priv->fau + qos * 4,
> - MAX_SKB_TO_FREE);
> - skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
> - priv->fau + qos * 4);
> - total_freed += skb_to_free;
> - if (skb_to_free > 0) {
> - struct sk_buff *to_free_list = NULL;
> -
> - spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
> - while (skb_to_free > 0) {
> - struct sk_buff *t;
> -
> - t = __skb_dequeue(&priv->tx_free_list[qos]);
> - t->next = to_free_list;
> - to_free_list = t;
> - skb_to_free--;
> - }
> - spin_unlock_irqrestore(&priv->tx_free_list[qos].lock,
> - flags);
> - /* Do the actual freeing outside of the lock. */
> - while (to_free_list) {
> - struct sk_buff *t = to_free_list;
> -
> - to_free_list = to_free_list->next;
> - dev_kfree_skb_any(t);
> - }
> - }
> - total_remaining += skb_queue_len(&priv->tx_free_list[qos]);
> - }
> - if (total_remaining < MAX_OUT_QUEUE_DEPTH && netif_queue_stopped(dev))
> - netif_wake_queue(dev);
> - if (total_remaining)
> - cvm_oct_kick_tx_poll_watchdog();
> -}
> -
> -/**
> - * cvm_oct_xmit - transmit a packet
> - * @skb: Packet to send
> - * @dev: Device info structure
> - *
> - * Returns Always returns NETDEV_TX_OK
> - */
> -int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
> -{
> - union cvmx_pko_command_word0 pko_command;
> - union cvmx_buf_ptr hw_buffer;
> - u64 old_scratch;
> - u64 old_scratch2;
> - int qos;
> - int i;
> - enum {QUEUE_CORE, QUEUE_HW, QUEUE_DROP} queue_type;
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - struct sk_buff *to_free_list;
> - int skb_to_free;
> - int buffers_to_free;
> - u32 total_to_clean;
> - unsigned long flags;
> -#if REUSE_SKBUFFS_WITHOUT_FREE
> - unsigned char *fpa_head;
> -#endif
> -
> - /*
> - * Prefetch the private data structure. It is larger than the
> - * one cache line.
> - */
> - prefetch(priv);
> -
> - /*
> - * The check on CVMX_PKO_QUEUES_PER_PORT_* is designed to
> - * completely remove "qos" in the event neither interface
> - * supports multiple queues per port.
> - */
> - if ((CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 > 1) ||
> - (CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 > 1)) {
> - qos = GET_SKBUFF_QOS(skb);
> - if (qos <= 0)
> - qos = 0;
> - else if (qos >= cvmx_pko_get_num_queues(priv->port))
> - qos = 0;
> - } else {
> - qos = 0;
> - }
> -
> - if (USE_ASYNC_IOBDMA) {
> - /* Save scratch in case userspace is using it */
> - CVMX_SYNCIOBDMA;
> - old_scratch = cvmx_scratch_read64(CVMX_SCR_SCRATCH);
> - old_scratch2 = cvmx_scratch_read64(CVMX_SCR_SCRATCH + 8);
> -
> - /*
> - * Fetch and increment the number of packets to be
> - * freed.
> - */
> - cvmx_fau_async_fetch_and_add32(CVMX_SCR_SCRATCH + 8,
> - FAU_NUM_PACKET_BUFFERS_TO_FREE,
> - 0);
> - cvmx_fau_async_fetch_and_add32(CVMX_SCR_SCRATCH,
> - priv->fau + qos * 4,
> - MAX_SKB_TO_FREE);
> - }
> -
> - /*
> - * We have space for 6 segment pointers, If there will be more
> - * than that, we must linearize.
> - */
> - if (unlikely(skb_shinfo(skb)->nr_frags > 5)) {
> - if (unlikely(__skb_linearize(skb))) {
> - queue_type = QUEUE_DROP;
> - if (USE_ASYNC_IOBDMA) {
> - /*
> - * Get the number of skbuffs in use
> - * by the hardware
> - */
> - CVMX_SYNCIOBDMA;
> - skb_to_free =
> - cvmx_scratch_read64(CVMX_SCR_SCRATCH);
> - } else {
> - /*
> - * Get the number of skbuffs in use
> - * by the hardware
> - */
> - skb_to_free =
> - cvmx_fau_fetch_and_add32(priv->fau +
> - qos * 4,
> - MAX_SKB_TO_FREE);
> - }
> - skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
> - priv->fau +
> - qos * 4);
> - spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
> - goto skip_xmit;
> - }
> - }
> -
> - /*
> - * The CN3XXX series of parts has an errata (GMX-401) which
> - * causes the GMX block to hang if a collision occurs towards
> - * the end of a <68 byte packet. As a workaround for this, we
> - * pad packets to be 68 bytes whenever we are in half duplex
> - * mode. We don't handle the case of having a small packet but
> - * no room to add the padding. The kernel should always give
> - * us at least a cache line
> - */
> - if ((skb->len < 64) && OCTEON_IS_MODEL(OCTEON_CN3XXX)) {
> - union cvmx_gmxx_prtx_cfg gmx_prt_cfg;
> - int interface = INTERFACE(priv->port);
> - int index = INDEX(priv->port);
> -
> - if (interface < 2) {
> - /* We only need to pad packet in half duplex mode */
> - gmx_prt_cfg.u64 =
> - cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
> - if (gmx_prt_cfg.s.duplex == 0) {
> - int add_bytes = 64 - skb->len;
> -
> - if ((skb_tail_pointer(skb) + add_bytes) <=
> - skb_end_pointer(skb))
> - __skb_put_zero(skb, add_bytes);
> - }
> - }
> - }
> -
> - /* Build the PKO command */
> - pko_command.u64 = 0;
> -#ifdef __LITTLE_ENDIAN
> - pko_command.s.le = 1;
> -#endif
> - pko_command.s.n2 = 1; /* Don't pollute L2 with the outgoing packet */
> - pko_command.s.segs = 1;
> - pko_command.s.total_bytes = skb->len;
> - pko_command.s.size0 = CVMX_FAU_OP_SIZE_32;
> - pko_command.s.subone0 = 1;
> -
> - pko_command.s.dontfree = 1;
> -
> - /* Build the PKO buffer pointer */
> - hw_buffer.u64 = 0;
> - if (skb_shinfo(skb)->nr_frags == 0) {
> - hw_buffer.s.addr = XKPHYS_TO_PHYS((uintptr_t)skb->data);
> - hw_buffer.s.pool = 0;
> - hw_buffer.s.size = skb->len;
> - } else {
> - hw_buffer.s.addr = XKPHYS_TO_PHYS((uintptr_t)skb->data);
> - hw_buffer.s.pool = 0;
> - hw_buffer.s.size = skb_headlen(skb);
> - CVM_OCT_SKB_CB(skb)[0] = hw_buffer.u64;
> - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
> - skb_frag_t *fs = skb_shinfo(skb)->frags + i;
> -
> - hw_buffer.s.addr =
> - XKPHYS_TO_PHYS((uintptr_t)skb_frag_address(fs));
> - hw_buffer.s.size = skb_frag_size(fs);
> - CVM_OCT_SKB_CB(skb)[i + 1] = hw_buffer.u64;
> - }
> - hw_buffer.s.addr =
> - XKPHYS_TO_PHYS((uintptr_t)CVM_OCT_SKB_CB(skb));
> - hw_buffer.s.size = skb_shinfo(skb)->nr_frags + 1;
> - pko_command.s.segs = skb_shinfo(skb)->nr_frags + 1;
> - pko_command.s.gather = 1;
> - goto dont_put_skbuff_in_hw;
> - }
> -
> - /*
> - * See if we can put this skb in the FPA pool. Any strange
> - * behavior from the Linux networking stack will most likely
> - * be caused by a bug in the following code. If some field is
> - * in use by the network stack and gets carried over when a
> - * buffer is reused, bad things may happen. If in doubt and
> - * you dont need the absolute best performance, disable the
> - * define REUSE_SKBUFFS_WITHOUT_FREE. The reuse of buffers has
> - * shown a 25% increase in performance under some loads.
> - */
> -#if REUSE_SKBUFFS_WITHOUT_FREE
> - fpa_head = skb->head + 256 - ((unsigned long)skb->head & 0x7f);
> - if (unlikely(skb->data < fpa_head)) {
> - /* TX buffer beginning can't meet FPA alignment constraints */
> - goto dont_put_skbuff_in_hw;
> - }
> - if (unlikely
> - ((skb_end_pointer(skb) - fpa_head) < CVMX_FPA_PACKET_POOL_SIZE)) {
> - /* TX buffer isn't large enough for the FPA */
> - goto dont_put_skbuff_in_hw;
> - }
> - if (unlikely(skb_shared(skb))) {
> - /* TX buffer sharing data with someone else */
> - goto dont_put_skbuff_in_hw;
> - }
> - if (unlikely(skb_cloned(skb))) {
> - /* TX buffer has been cloned */
> - goto dont_put_skbuff_in_hw;
> - }
> - if (unlikely(skb_header_cloned(skb))) {
> - /* TX buffer header has been cloned */
> - goto dont_put_skbuff_in_hw;
> - }
> - if (unlikely(skb->destructor)) {
> - /* TX buffer has a destructor */
> - goto dont_put_skbuff_in_hw;
> - }
> - if (unlikely(skb_shinfo(skb)->nr_frags)) {
> - /* TX buffer has fragments */
> - goto dont_put_skbuff_in_hw;
> - }
> - if (unlikely
> - (skb->truesize !=
> - sizeof(*skb) + skb_end_offset(skb))) {
> - /* TX buffer truesize has been changed */
> - goto dont_put_skbuff_in_hw;
> - }
> -
> - /*
> - * We can use this buffer in the FPA. We don't need the FAU
> - * update anymore
> - */
> - pko_command.s.dontfree = 0;
> -
> - hw_buffer.s.back = ((unsigned long)skb->data >> 7) -
> - ((unsigned long)fpa_head >> 7);
> -
> - *(struct sk_buff **)(fpa_head - sizeof(void *)) = skb;
> -
> - /*
> - * The skbuff will be reused without ever being freed. We must
> - * cleanup a bunch of core things.
> - */
> - dst_release(skb_dst(skb));
> - skb_dst_set(skb, NULL);
> - skb_ext_reset(skb);
> - nf_reset_ct(skb);
> -
> -#ifdef CONFIG_NET_SCHED
> - skb->tc_index = 0;
> - skb_reset_tc(skb);
> -#endif /* CONFIG_NET_SCHED */
> -#endif /* REUSE_SKBUFFS_WITHOUT_FREE */
> -
> -dont_put_skbuff_in_hw:
> -
> - /* Check if we can use the hardware checksumming */
> - if ((skb->protocol == htons(ETH_P_IP)) &&
> - (ip_hdr(skb)->version == 4) &&
> - (ip_hdr(skb)->ihl == 5) &&
> - ((ip_hdr(skb)->frag_off == 0) ||
> - (ip_hdr(skb)->frag_off == htons(1 << 14))) &&
> - ((ip_hdr(skb)->protocol == IPPROTO_TCP) ||
> - (ip_hdr(skb)->protocol == IPPROTO_UDP))) {
> - /* Use hardware checksum calc */
> - pko_command.s.ipoffp1 = skb_network_offset(skb) + 1;
> - }
> -
> - if (USE_ASYNC_IOBDMA) {
> - /* Get the number of skbuffs in use by the hardware */
> - CVMX_SYNCIOBDMA;
> - skb_to_free = cvmx_scratch_read64(CVMX_SCR_SCRATCH);
> - buffers_to_free = cvmx_scratch_read64(CVMX_SCR_SCRATCH + 8);
> - } else {
> - /* Get the number of skbuffs in use by the hardware */
> - skb_to_free = cvmx_fau_fetch_and_add32(priv->fau + qos * 4,
> - MAX_SKB_TO_FREE);
> - buffers_to_free =
> - cvmx_fau_fetch_and_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
> - }
> -
> - skb_to_free = cvm_oct_adjust_skb_to_free(skb_to_free,
> - priv->fau + qos * 4);
> -
> - /*
> - * If we're sending faster than the receive can free them then
> - * don't do the HW free.
> - */
> - if ((buffers_to_free < -100) && !pko_command.s.dontfree)
> - pko_command.s.dontfree = 1;
> -
> - if (pko_command.s.dontfree) {
> - queue_type = QUEUE_CORE;
> - pko_command.s.reg0 = priv->fau + qos * 4;
> - } else {
> - queue_type = QUEUE_HW;
> - }
> - if (USE_ASYNC_IOBDMA)
> - cvmx_fau_async_fetch_and_add32(CVMX_SCR_SCRATCH,
> - FAU_TOTAL_TX_TO_CLEAN, 1);
> -
> - spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
> -
> - /* Drop this packet if we have too many already queued to the HW */
> - if (unlikely(skb_queue_len(&priv->tx_free_list[qos]) >=
> - MAX_OUT_QUEUE_DEPTH)) {
> - if (dev->tx_queue_len != 0) {
> - /* Drop the lock when notifying the core. */
> - spin_unlock_irqrestore(&priv->tx_free_list[qos].lock,
> - flags);
> - netif_stop_queue(dev);
> - spin_lock_irqsave(&priv->tx_free_list[qos].lock,
> - flags);
> - } else {
> - /* If not using normal queueing. */
> - queue_type = QUEUE_DROP;
> - goto skip_xmit;
> - }
> - }
> -
> - cvmx_pko_send_packet_prepare(priv->port, priv->queue + qos,
> - CVMX_PKO_LOCK_NONE);
> -
> - /* Send the packet to the output queue */
> - if (unlikely(cvmx_pko_send_packet_finish(priv->port,
> - priv->queue + qos,
> - pko_command, hw_buffer,
> - CVMX_PKO_LOCK_NONE))) {
> - printk_ratelimited("%s: Failed to send the packet\n",
> - dev->name);
> - queue_type = QUEUE_DROP;
> - }
> -skip_xmit:
> - to_free_list = NULL;
> -
> - switch (queue_type) {
> - case QUEUE_DROP:
> - skb->next = to_free_list;
> - to_free_list = skb;
> - dev->stats.tx_dropped++;
> - break;
> - case QUEUE_HW:
> - cvmx_fau_atomic_add32(FAU_NUM_PACKET_BUFFERS_TO_FREE, -1);
> - break;
> - case QUEUE_CORE:
> - __skb_queue_tail(&priv->tx_free_list[qos], skb);
> - break;
> - default:
> - BUG();
> - }
> -
> - while (skb_to_free > 0) {
> - struct sk_buff *t = __skb_dequeue(&priv->tx_free_list[qos]);
> -
> - t->next = to_free_list;
> - to_free_list = t;
> - skb_to_free--;
> - }
> -
> - spin_unlock_irqrestore(&priv->tx_free_list[qos].lock, flags);
> -
> - /* Do the actual freeing outside of the lock. */
> - while (to_free_list) {
> - struct sk_buff *t = to_free_list;
> -
> - to_free_list = to_free_list->next;
> - dev_kfree_skb_any(t);
> - }
> -
> - if (USE_ASYNC_IOBDMA) {
> - CVMX_SYNCIOBDMA;
> - total_to_clean = cvmx_scratch_read64(CVMX_SCR_SCRATCH);
> - /* Restore the scratch area */
> - cvmx_scratch_write64(CVMX_SCR_SCRATCH, old_scratch);
> - cvmx_scratch_write64(CVMX_SCR_SCRATCH + 8, old_scratch2);
> - } else {
> - total_to_clean =
> - cvmx_fau_fetch_and_add32(FAU_TOTAL_TX_TO_CLEAN, 1);
> - }
> -
> - if (total_to_clean & 0x3ff) {
> - /*
> - * Schedule the cleanup tasklet every 1024 packets for
> - * the pathological case of high traffic on one port
> - * delaying clean up of packets on a different port
> - * that is blocked waiting for the cleanup.
> - */
> - tasklet_schedule(&cvm_oct_tx_cleanup_tasklet);
> - }
> -
> - cvm_oct_kick_tx_poll_watchdog();
> -
> - return NETDEV_TX_OK;
> -}
> -
> -/**
> - * cvm_oct_xmit_pow - transmit a packet to the POW
> - * @skb: Packet to send
> - * @dev: Device info structure
> -
> - * Returns Always returns zero
> - */
> -int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - void *packet_buffer;
> - void *copy_location;
> -
> - /* Get a work queue entry */
> - struct cvmx_wqe *work = cvmx_fpa_alloc(CVMX_FPA_WQE_POOL);
> -
> - if (unlikely(!work)) {
> - printk_ratelimited("%s: Failed to allocate a work queue entry\n",
> - dev->name);
> - dev->stats.tx_dropped++;
> - dev_kfree_skb_any(skb);
> - return 0;
> - }
> -
> - /* Get a packet buffer */
> - packet_buffer = cvmx_fpa_alloc(CVMX_FPA_PACKET_POOL);
> - if (unlikely(!packet_buffer)) {
> - printk_ratelimited("%s: Failed to allocate a packet buffer\n",
> - dev->name);
> - cvmx_fpa_free(work, CVMX_FPA_WQE_POOL, 1);
> - dev->stats.tx_dropped++;
> - dev_kfree_skb_any(skb);
> - return 0;
> - }
> -
> - /*
> - * Calculate where we need to copy the data to. We need to
> - * leave 8 bytes for a next pointer (unused). We also need to
> - * include any configure skip. Then we need to align the IP
> - * packet src and dest into the same 64bit word. The below
> - * calculation may add a little extra, but that doesn't
> - * hurt.
> - */
> - copy_location = packet_buffer + sizeof(u64);
> - copy_location += ((CVMX_HELPER_FIRST_MBUFF_SKIP + 7) & 0xfff8) + 6;
> -
> - /*
> - * We have to copy the packet since whoever processes this
> - * packet will free it to a hardware pool. We can't use the
> - * trick of counting outstanding packets like in
> - * cvm_oct_xmit.
> - */
> - memcpy(copy_location, skb->data, skb->len);
> -
> - /*
> - * Fill in some of the work queue fields. We may need to add
> - * more if the software at the other end needs them.
> - */
> - if (!OCTEON_IS_MODEL(OCTEON_CN68XX))
> - work->word0.pip.cn38xx.hw_chksum = skb->csum;
> - work->word1.len = skb->len;
> - cvmx_wqe_set_port(work, priv->port);
> - cvmx_wqe_set_qos(work, priv->port & 0x7);
> - cvmx_wqe_set_grp(work, pow_send_group);
> - work->word1.tag_type = CVMX_HELPER_INPUT_TAG_TYPE;
> - work->word1.tag = pow_send_group; /* FIXME */
> - /* Default to zero. Sets of zero later are commented out */
> - work->word2.u64 = 0;
> - work->word2.s.bufs = 1;
> - work->packet_ptr.u64 = 0;
> - work->packet_ptr.s.addr = cvmx_ptr_to_phys(copy_location);
> - work->packet_ptr.s.pool = CVMX_FPA_PACKET_POOL;
> - work->packet_ptr.s.size = CVMX_FPA_PACKET_POOL_SIZE;
> - work->packet_ptr.s.back = (copy_location - packet_buffer) >> 7;
> -
> - if (skb->protocol == htons(ETH_P_IP)) {
> - work->word2.s.ip_offset = 14;
> -#if 0
> - work->word2.s.vlan_valid = 0; /* FIXME */
> - work->word2.s.vlan_cfi = 0; /* FIXME */
> - work->word2.s.vlan_id = 0; /* FIXME */
> - work->word2.s.dec_ipcomp = 0; /* FIXME */
> -#endif
> - work->word2.s.tcp_or_udp =
> - (ip_hdr(skb)->protocol == IPPROTO_TCP) ||
> - (ip_hdr(skb)->protocol == IPPROTO_UDP);
> -#if 0
> - /* FIXME */
> - work->word2.s.dec_ipsec = 0;
> - /* We only support IPv4 right now */
> - work->word2.s.is_v6 = 0;
> - /* Hardware would set to zero */
> - work->word2.s.software = 0;
> - /* No error, packet is internal */
> - work->word2.s.L4_error = 0;
> -#endif
> - work->word2.s.is_frag = !((ip_hdr(skb)->frag_off == 0) ||
> - (ip_hdr(skb)->frag_off ==
> - cpu_to_be16(1 << 14)));
> -#if 0
> - /* Assume Linux is sending a good packet */
> - work->word2.s.IP_exc = 0;
> -#endif
> - work->word2.s.is_bcast = (skb->pkt_type == PACKET_BROADCAST);
> - work->word2.s.is_mcast = (skb->pkt_type == PACKET_MULTICAST);
> -#if 0
> - /* This is an IP packet */
> - work->word2.s.not_IP = 0;
> - /* No error, packet is internal */
> - work->word2.s.rcv_error = 0;
> - /* No error, packet is internal */
> - work->word2.s.err_code = 0;
> -#endif
> -
> - /*
> - * When copying the data, include 4 bytes of the
> - * ethernet header to align the same way hardware
> - * does.
> - */
> - memcpy(work->packet_data, skb->data + 10,
> - sizeof(work->packet_data));
> - } else {
> -#if 0
> - work->word2.snoip.vlan_valid = 0; /* FIXME */
> - work->word2.snoip.vlan_cfi = 0; /* FIXME */
> - work->word2.snoip.vlan_id = 0; /* FIXME */
> - work->word2.snoip.software = 0; /* Hardware would set to zero */
> -#endif
> - work->word2.snoip.is_rarp = skb->protocol == htons(ETH_P_RARP);
> - work->word2.snoip.is_arp = skb->protocol == htons(ETH_P_ARP);
> - work->word2.snoip.is_bcast =
> - (skb->pkt_type == PACKET_BROADCAST);
> - work->word2.snoip.is_mcast =
> - (skb->pkt_type == PACKET_MULTICAST);
> - work->word2.snoip.not_IP = 1; /* IP was done up above */
> -#if 0
> - /* No error, packet is internal */
> - work->word2.snoip.rcv_error = 0;
> - /* No error, packet is internal */
> - work->word2.snoip.err_code = 0;
> -#endif
> - memcpy(work->packet_data, skb->data, sizeof(work->packet_data));
> - }
> -
> - /* Submit the packet to the POW */
> - cvmx_pow_work_submit(work, work->word1.tag, work->word1.tag_type,
> - cvmx_wqe_get_qos(work), cvmx_wqe_get_grp(work));
> - dev->stats.tx_packets++;
> - dev->stats.tx_bytes += skb->len;
> - dev_consume_skb_any(skb);
> - return 0;
> -}
> -
> -/**
> - * cvm_oct_tx_shutdown_dev - free all skb that are currently queued for TX.
> - * @dev: Device being shutdown
> - *
> - */
> -void cvm_oct_tx_shutdown_dev(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - unsigned long flags;
> - int qos;
> -
> - for (qos = 0; qos < 16; qos++) {
> - spin_lock_irqsave(&priv->tx_free_list[qos].lock, flags);
> - while (skb_queue_len(&priv->tx_free_list[qos]))
> - dev_kfree_skb_any(__skb_dequeue
> - (&priv->tx_free_list[qos]));
> - spin_unlock_irqrestore(&priv->tx_free_list[qos].lock, flags);
> - }
> -}
> -
> -static void cvm_oct_tx_do_cleanup(unsigned long arg)
> -{
> - int port;
> -
> - for (port = 0; port < TOTAL_NUMBER_OF_PORTS; port++) {
> - if (cvm_oct_device[port]) {
> - struct net_device *dev = cvm_oct_device[port];
> -
> - cvm_oct_free_tx_skbs(dev);
> - }
> - }
> -}
> -
> -static irqreturn_t cvm_oct_tx_cleanup_watchdog(int cpl, void *dev_id)
> -{
> - /* Disable the interrupt. */
> - cvmx_write_csr(CVMX_CIU_TIMX(1), 0);
> - /* Do the work in the tasklet. */
> - tasklet_schedule(&cvm_oct_tx_cleanup_tasklet);
> - return IRQ_HANDLED;
> -}
> -
> -void cvm_oct_tx_initialize(void)
> -{
> - int i;
> -
> - /* Disable the interrupt. */
> - cvmx_write_csr(CVMX_CIU_TIMX(1), 0);
> - /* Register an IRQ handler to receive CIU_TIMX(1) interrupts */
> - i = request_irq(OCTEON_IRQ_TIMER1,
> - cvm_oct_tx_cleanup_watchdog, 0,
> - "Ethernet", cvm_oct_device);
> -
> - if (i)
> - panic("Could not acquire Ethernet IRQ %d\n", OCTEON_IRQ_TIMER1);
> -}
> -
> -void cvm_oct_tx_shutdown(void)
> -{
> - /* Free the interrupt handler */
> - free_irq(OCTEON_IRQ_TIMER1, cvm_oct_device);
> -}
> diff --git a/drivers/staging/octeon/ethernet-tx.h b/drivers/staging/octeon/ethernet-tx.h
> deleted file mode 100644
> index 78936e9b33b0..000000000000
> --- a/drivers/staging/octeon/ethernet-tx.h
> +++ /dev/null
> @@ -1,14 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev);
> -int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev);
> -int cvm_oct_transmit_qos(struct net_device *dev, void *work_queue_entry,
> - int do_free, int qos);
> -void cvm_oct_tx_initialize(void);
> -void cvm_oct_tx_shutdown(void);
> -void cvm_oct_tx_shutdown_dev(struct net_device *dev);
> diff --git a/drivers/staging/octeon/ethernet-util.h b/drivers/staging/octeon/ethernet-util.h
> deleted file mode 100644
> index 2af83a12ca78..000000000000
> --- a/drivers/staging/octeon/ethernet-util.h
> +++ /dev/null
> @@ -1,47 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -/**
> - * cvm_oct_get_buffer_ptr - convert packet data address to pointer
> - * @packet_ptr: Packet data hardware address
> - *
> - * Returns Packet buffer pointer
> - */
> -static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
> -{
> - return cvmx_phys_to_ptr(((packet_ptr.s.addr >> 7) - packet_ptr.s.back)
> - << 7);
> -}
> -
> -/**
> - * INTERFACE - convert IPD port to logical interface
> - * @ipd_port: Port to check
> - *
> - * Returns Logical interface
> - */
> -static inline int INTERFACE(int ipd_port)
> -{
> - int interface;
> -
> - if (ipd_port == CVMX_PIP_NUM_INPUT_PORTS)
> - return 10;
> - interface = cvmx_helper_get_interface_num(ipd_port);
> - if (interface >= 0)
> - return interface;
> - panic("Illegal ipd_port %d passed to %s\n", ipd_port, __func__);
> -}
> -
> -/**
> - * INDEX - convert IPD/PKO port number to the port's interface index
> - * @ipd_port: Port to check
> - *
> - * Returns Index into interface port list
> - */
> -static inline int INDEX(int ipd_port)
> -{
> - return cvmx_helper_get_interface_index_num(ipd_port);
> -}
> diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
> deleted file mode 100644
> index f42c3816ce49..000000000000
> --- a/drivers/staging/octeon/ethernet.c
> +++ /dev/null
> @@ -1,992 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2007 Cavium Networks
> - */
> -
> -#include <linux/platform_device.h>
> -#include <linux/kernel.h>
> -#include <linux/module.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#include <linux/phy.h>
> -#include <linux/slab.h>
> -#include <linux/interrupt.h>
> -#include <linux/of_net.h>
> -#include <linux/if_ether.h>
> -#include <linux/if_vlan.h>
> -
> -#include <net/dst.h>
> -
> -#include "octeon-ethernet.h"
> -#include "ethernet-defines.h"
> -#include "ethernet-mem.h"
> -#include "ethernet-rx.h"
> -#include "ethernet-tx.h"
> -#include "ethernet-mdio.h"
> -#include "ethernet-util.h"
> -
> -#define OCTEON_MAX_MTU 65392
> -
> -static int num_packet_buffers = 1024;
> -module_param(num_packet_buffers, int, 0444);
> -MODULE_PARM_DESC(num_packet_buffers, "\n"
> - "\tNumber of packet buffers to allocate and store in the\n"
> - "\tFPA. By default, 1024 packet buffers are used.\n");
> -
> -static int pow_receive_group = 15;
> -module_param(pow_receive_group, int, 0444);
> -MODULE_PARM_DESC(pow_receive_group, "\n"
> - "\tPOW group to receive packets from. All ethernet hardware\n"
> - "\twill be configured to send incoming packets to this POW\n"
> - "\tgroup. Also any other software can submit packets to this\n"
> - "\tgroup for the kernel to process.");
> -
> -static int receive_group_order;
> -module_param(receive_group_order, int, 0444);
> -MODULE_PARM_DESC(receive_group_order, "\n"
> - "\tOrder (0..4) of receive groups to take into use. Ethernet hardware\n"
> - "\twill be configured to send incoming packets to multiple POW\n"
> - "\tgroups. pow_receive_group parameter is ignored when multiple\n"
> - "\tgroups are taken into use and groups are allocated starting\n"
> - "\tfrom 0. By default, a single group is used.\n");
> -
> -int pow_send_group = -1;
> -module_param(pow_send_group, int, 0644);
> -MODULE_PARM_DESC(pow_send_group, "\n"
> - "\tPOW group to send packets to other software on. This\n"
> - "\tcontrols the creation of the virtual device pow0.\n"
> - "\talways_use_pow also depends on this value.");
> -
> -int always_use_pow;
> -module_param(always_use_pow, int, 0444);
> -MODULE_PARM_DESC(always_use_pow, "\n"
> - "\tWhen set, always send to the pow group. This will cause\n"
> - "\tpackets sent to real ethernet devices to be sent to the\n"
> - "\tPOW group instead of the hardware. Unless some other\n"
> - "\tapplication changes the config, packets will still be\n"
> - "\treceived from the low level hardware. Use this option\n"
> - "\tto allow a CVMX app to intercept all packets from the\n"
> - "\tlinux kernel. You must specify pow_send_group along with\n"
> - "\tthis option.");
> -
> -char pow_send_list[128] = "";
> -module_param_string(pow_send_list, pow_send_list, sizeof(pow_send_list), 0444);
> -MODULE_PARM_DESC(pow_send_list, "\n"
> - "\tComma separated list of ethernet devices that should use the\n"
> - "\tPOW for transmit instead of the actual ethernet hardware. This\n"
> - "\tis a per port version of always_use_pow. always_use_pow takes\n"
> - "\tprecedence over this list. For example, setting this to\n"
> - "\t\"eth2,spi3,spi7\" would cause these three devices to transmit\n"
> - "\tusing the pow_send_group.");
> -
> -int rx_napi_weight = 32;
> -module_param(rx_napi_weight, int, 0444);
> -MODULE_PARM_DESC(rx_napi_weight, "The NAPI WEIGHT parameter.");
> -
> -/* Mask indicating which receive groups are in use. */
> -int pow_receive_groups;
> -
> -/*
> - * cvm_oct_poll_queue_stopping - flag to indicate polling should stop.
> - *
> - * Set to one right before cvm_oct_poll_queue is destroyed.
> - */
> -atomic_t cvm_oct_poll_queue_stopping = ATOMIC_INIT(0);
> -
> -/*
> - * Array of every ethernet device owned by this driver indexed by
> - * the ipd input port number.
> - */
> -struct net_device *cvm_oct_device[TOTAL_NUMBER_OF_PORTS];
> -
> -u64 cvm_oct_tx_poll_interval;
> -
> -static void cvm_oct_rx_refill_worker(struct work_struct *work);
> -static DECLARE_DELAYED_WORK(cvm_oct_rx_refill_work, cvm_oct_rx_refill_worker);
> -
> -static void cvm_oct_rx_refill_worker(struct work_struct *work)
> -{
> - /*
> - * FPA 0 may have been drained, try to refill it if we need
> - * more than num_packet_buffers / 2, otherwise normal receive
> - * processing will refill it. If it were drained, no packets
> - * could be received so cvm_oct_napi_poll would never be
> - * invoked to do the refill.
> - */
> - cvm_oct_rx_refill_pool(num_packet_buffers / 2);
> -
> - if (!atomic_read(&cvm_oct_poll_queue_stopping))
> - schedule_delayed_work(&cvm_oct_rx_refill_work, HZ);
> -}
> -
> -static void cvm_oct_periodic_worker(struct work_struct *work)
> -{
> - struct octeon_ethernet *priv = container_of(work,
> - struct octeon_ethernet,
> - port_periodic_work.work);
> -
> - if (priv->poll)
> - priv->poll(cvm_oct_device[priv->port]);
> -
> - cvm_oct_device[priv->port]->netdev_ops->ndo_get_stats
> - (cvm_oct_device[priv->port]);
> -
> - if (!atomic_read(&cvm_oct_poll_queue_stopping))
> - schedule_delayed_work(&priv->port_periodic_work, HZ);
> -}
> -
> -static void cvm_oct_configure_common_hw(void)
> -{
> - /* Setup the FPA */
> - cvmx_fpa_enable();
> - cvm_oct_mem_fill_fpa(CVMX_FPA_PACKET_POOL, CVMX_FPA_PACKET_POOL_SIZE,
> - num_packet_buffers);
> - cvm_oct_mem_fill_fpa(CVMX_FPA_WQE_POOL, CVMX_FPA_WQE_POOL_SIZE,
> - num_packet_buffers);
> - if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL)
> - cvm_oct_mem_fill_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL,
> - CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 1024);
> -
> -#ifdef __LITTLE_ENDIAN
> - {
> - union cvmx_ipd_ctl_status ipd_ctl_status;
> -
> - ipd_ctl_status.u64 = cvmx_read_csr(CVMX_IPD_CTL_STATUS);
> - ipd_ctl_status.s.pkt_lend = 1;
> - ipd_ctl_status.s.wqe_lend = 1;
> - cvmx_write_csr(CVMX_IPD_CTL_STATUS, ipd_ctl_status.u64);
> - }
> -#endif
> -
> - cvmx_helper_setup_red(num_packet_buffers / 4, num_packet_buffers / 8);
> -}
> -
> -/**
> - * cvm_oct_free_work- Free a work queue entry
> - *
> - * @work_queue_entry: Work queue entry to free
> - *
> - * Returns Zero on success, Negative on failure.
> - */
> -int cvm_oct_free_work(void *work_queue_entry)
> -{
> - struct cvmx_wqe *work = work_queue_entry;
> -
> - int segments = work->word2.s.bufs;
> - union cvmx_buf_ptr segment_ptr = work->packet_ptr;
> -
> - while (segments--) {
> - union cvmx_buf_ptr next_ptr = *(union cvmx_buf_ptr *)
> - cvmx_phys_to_ptr(segment_ptr.s.addr - 8);
> - if (unlikely(!segment_ptr.s.i))
> - cvmx_fpa_free(cvm_oct_get_buffer_ptr(segment_ptr),
> - segment_ptr.s.pool,
> - CVMX_FPA_PACKET_POOL_SIZE / 128);
> - segment_ptr = next_ptr;
> - }
> - cvmx_fpa_free(work, CVMX_FPA_WQE_POOL, 1);
> -
> - return 0;
> -}
> -EXPORT_SYMBOL(cvm_oct_free_work);
> -
> -/**
> - * cvm_oct_common_get_stats - get the low level ethernet statistics
> - * @dev: Device to get the statistics from
> - *
> - * Returns Pointer to the statistics
> - */
> -static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev)
> -{
> - cvmx_pip_port_status_t rx_status;
> - cvmx_pko_port_status_t tx_status;
> - struct octeon_ethernet *priv = netdev_priv(dev);
> -
> - if (priv->port < CVMX_PIP_NUM_INPUT_PORTS) {
> - if (octeon_is_simulation()) {
> - /* The simulator doesn't support statistics */
> - memset(&rx_status, 0, sizeof(rx_status));
> - memset(&tx_status, 0, sizeof(tx_status));
> - } else {
> - cvmx_pip_get_port_status(priv->port, 1, &rx_status);
> - cvmx_pko_get_port_status(priv->port, 1, &tx_status);
> - }
> -
> - dev->stats.rx_packets += rx_status.inb_packets;
> - dev->stats.tx_packets += tx_status.packets;
> - dev->stats.rx_bytes += rx_status.inb_octets;
> - dev->stats.tx_bytes += tx_status.octets;
> - dev->stats.multicast += rx_status.multicast_packets;
> - dev->stats.rx_crc_errors += rx_status.inb_errors;
> - dev->stats.rx_frame_errors += rx_status.fcs_align_err_packets;
> - dev->stats.rx_dropped += rx_status.dropped_packets;
> - }
> -
> - return &dev->stats;
> -}
> -
> -/**
> - * cvm_oct_common_change_mtu - change the link MTU
> - * @dev: Device to change
> - * @new_mtu: The new MTU
> - *
> - * Returns Zero on success
> - */
> -static int cvm_oct_common_change_mtu(struct net_device *dev, int new_mtu)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - int interface = INTERFACE(priv->port);
> -#if IS_ENABLED(CONFIG_VLAN_8021Q)
> - int vlan_bytes = VLAN_HLEN;
> -#else
> - int vlan_bytes = 0;
> -#endif
> - int mtu_overhead = ETH_HLEN + ETH_FCS_LEN + vlan_bytes;
> -
> - dev->mtu = new_mtu;
> -
> - if ((interface < 2) &&
> - (cvmx_helper_interface_get_mode(interface) !=
> - CVMX_HELPER_INTERFACE_MODE_SPI)) {
> - int index = INDEX(priv->port);
> - /* Add ethernet header and FCS, and VLAN if configured. */
> - int max_packet = new_mtu + mtu_overhead;
> -
> - if (OCTEON_IS_MODEL(OCTEON_CN3XXX) ||
> - OCTEON_IS_MODEL(OCTEON_CN58XX)) {
> - /* Signal errors on packets larger than the MTU */
> - cvmx_write_csr(CVMX_GMXX_RXX_FRM_MAX(index, interface),
> - max_packet);
> - } else {
> - /*
> - * Set the hardware to truncate packets larger
> - * than the MTU and smaller the 64 bytes.
> - */
> - union cvmx_pip_frm_len_chkx frm_len_chk;
> -
> - frm_len_chk.u64 = 0;
> - frm_len_chk.s.minlen = VLAN_ETH_ZLEN;
> - frm_len_chk.s.maxlen = max_packet;
> - cvmx_write_csr(CVMX_PIP_FRM_LEN_CHKX(interface),
> - frm_len_chk.u64);
> - }
> - /*
> - * Set the hardware to truncate packets larger than
> - * the MTU. The jabber register must be set to a
> - * multiple of 8 bytes, so round up.
> - */
> - cvmx_write_csr(CVMX_GMXX_RXX_JABBER(index, interface),
> - (max_packet + 7) & ~7u);
> - }
> - return 0;
> -}
> -
> -/**
> - * cvm_oct_common_set_multicast_list - set the multicast list
> - * @dev: Device to work on
> - */
> -static void cvm_oct_common_set_multicast_list(struct net_device *dev)
> -{
> - union cvmx_gmxx_prtx_cfg gmx_cfg;
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - int interface = INTERFACE(priv->port);
> -
> - if ((interface < 2) &&
> - (cvmx_helper_interface_get_mode(interface) !=
> - CVMX_HELPER_INTERFACE_MODE_SPI)) {
> - union cvmx_gmxx_rxx_adr_ctl control;
> - int index = INDEX(priv->port);
> -
> - control.u64 = 0;
> - control.s.bcst = 1; /* Allow broadcast MAC addresses */
> -
> - if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI) ||
> - (dev->flags & IFF_PROMISC))
> - /* Force accept multicast packets */
> - control.s.mcst = 2;
> - else
> - /* Force reject multicast packets */
> - control.s.mcst = 1;
> -
> - if (dev->flags & IFF_PROMISC)
> - /*
> - * Reject matches if promisc. Since CAM is
> - * shut off, should accept everything.
> - */
> - control.s.cam_mode = 0;
> - else
> - /* Filter packets based on the CAM */
> - control.s.cam_mode = 1;
> -
> - gmx_cfg.u64 =
> - cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
> - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface),
> - gmx_cfg.u64 & ~1ull);
> -
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CTL(index, interface),
> - control.u64);
> - if (dev->flags & IFF_PROMISC)
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM_EN
> - (index, interface), 0);
> - else
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM_EN
> - (index, interface), 1);
> -
> - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface),
> - gmx_cfg.u64);
> - }
> -}
> -
> -static int cvm_oct_set_mac_filter(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - union cvmx_gmxx_prtx_cfg gmx_cfg;
> - int interface = INTERFACE(priv->port);
> -
> - if ((interface < 2) &&
> - (cvmx_helper_interface_get_mode(interface) !=
> - CVMX_HELPER_INTERFACE_MODE_SPI)) {
> - int i;
> - u8 *ptr = dev->dev_addr;
> - u64 mac = 0;
> - int index = INDEX(priv->port);
> -
> - for (i = 0; i < 6; i++)
> - mac = (mac << 8) | (u64)ptr[i];
> -
> - gmx_cfg.u64 =
> - cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
> - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface),
> - gmx_cfg.u64 & ~1ull);
> -
> - cvmx_write_csr(CVMX_GMXX_SMACX(index, interface), mac);
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM0(index, interface),
> - ptr[0]);
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM1(index, interface),
> - ptr[1]);
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM2(index, interface),
> - ptr[2]);
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM3(index, interface),
> - ptr[3]);
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM4(index, interface),
> - ptr[4]);
> - cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM5(index, interface),
> - ptr[5]);
> - cvm_oct_common_set_multicast_list(dev);
> - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface),
> - gmx_cfg.u64);
> - }
> - return 0;
> -}
> -
> -/**
> - * cvm_oct_common_set_mac_address - set the hardware MAC address for a device
> - * @dev: The device in question.
> - * @addr: Socket address.
> - *
> - * Returns Zero on success
> - */
> -static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr)
> -{
> - int r = eth_mac_addr(dev, addr);
> -
> - if (r)
> - return r;
> - return cvm_oct_set_mac_filter(dev);
> -}
> -
> -/**
> - * cvm_oct_common_init - per network device initialization
> - * @dev: Device to initialize
> - *
> - * Returns Zero on success
> - */
> -int cvm_oct_common_init(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - const u8 *mac = NULL;
> -
> - if (priv->of_node)
> - mac = of_get_mac_address(priv->of_node);
> -
> - if (!IS_ERR_OR_NULL(mac))
> - ether_addr_copy(dev->dev_addr, mac);
> - else
> - eth_hw_addr_random(dev);
> -
> - /*
> - * Force the interface to use the POW send if always_use_pow
> - * was specified or it is in the pow send list.
> - */
> - if ((pow_send_group != -1) &&
> - (always_use_pow || strstr(pow_send_list, dev->name)))
> - priv->queue = -1;
> -
> - if (priv->queue != -1)
> - dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
> -
> - /* We do our own locking, Linux doesn't need to */
> - dev->features |= NETIF_F_LLTX;
> - dev->ethtool_ops = &cvm_oct_ethtool_ops;
> -
> - cvm_oct_set_mac_filter(dev);
> - dev_set_mtu(dev, dev->mtu);
> -
> - /*
> - * Zero out stats for port so we won't mistakenly show
> - * counters from the bootloader.
> - */
> - memset(dev->netdev_ops->ndo_get_stats(dev), 0,
> - sizeof(struct net_device_stats));
> -
> - if (dev->netdev_ops->ndo_stop)
> - dev->netdev_ops->ndo_stop(dev);
> -
> - return 0;
> -}
> -
> -void cvm_oct_common_uninit(struct net_device *dev)
> -{
> - if (dev->phydev)
> - phy_disconnect(dev->phydev);
> -}
> -
> -int cvm_oct_common_open(struct net_device *dev,
> - void (*link_poll)(struct net_device *))
> -{
> - union cvmx_gmxx_prtx_cfg gmx_cfg;
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - int interface = INTERFACE(priv->port);
> - int index = INDEX(priv->port);
> - union cvmx_helper_link_info link_info;
> - int rv;
> -
> - rv = cvm_oct_phy_setup_device(dev);
> - if (rv)
> - return rv;
> -
> - gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
> - gmx_cfg.s.en = 1;
> - if (octeon_has_feature(OCTEON_FEATURE_PKND))
> - gmx_cfg.s.pknd = priv->port;
> - cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
> -
> - if (octeon_is_simulation())
> - return 0;
> -
> - if (dev->phydev) {
> - int r = phy_read_status(dev->phydev);
> -
> - if (r == 0 && dev->phydev->link == 0)
> - netif_carrier_off(dev);
> - cvm_oct_adjust_link(dev);
> - } else {
> - link_info = cvmx_helper_link_get(priv->port);
> - if (!link_info.s.link_up)
> - netif_carrier_off(dev);
> - priv->poll = link_poll;
> - link_poll(dev);
> - }
> -
> - return 0;
> -}
> -
> -void cvm_oct_link_poll(struct net_device *dev)
> -{
> - struct octeon_ethernet *priv = netdev_priv(dev);
> - union cvmx_helper_link_info link_info;
> -
> - link_info = cvmx_helper_link_get(priv->port);
> - if (link_info.u64 == priv->link_info)
> - return;
> -
> - if (cvmx_helper_link_set(priv->port, link_info))
> - link_info.u64 = priv->link_info;
> - else
> - priv->link_info = link_info.u64;
> -
> - if (link_info.s.link_up) {
> - if (!netif_carrier_ok(dev))
> - netif_carrier_on(dev);
> - } else if (netif_carrier_ok(dev)) {
> - netif_carrier_off(dev);
> - }
> - cvm_oct_note_carrier(priv, link_info);
> -}
> -
> -static int cvm_oct_xaui_open(struct net_device *dev)
> -{
> - return cvm_oct_common_open(dev, cvm_oct_link_poll);
> -}
> -
> -static const struct net_device_ops cvm_oct_npi_netdev_ops = {
> - .ndo_init = cvm_oct_common_init,
> - .ndo_uninit = cvm_oct_common_uninit,
> - .ndo_start_xmit = cvm_oct_xmit,
> - .ndo_set_rx_mode = cvm_oct_common_set_multicast_list,
> - .ndo_set_mac_address = cvm_oct_common_set_mac_address,
> - .ndo_do_ioctl = cvm_oct_ioctl,
> - .ndo_change_mtu = cvm_oct_common_change_mtu,
> - .ndo_get_stats = cvm_oct_common_get_stats,
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> - .ndo_poll_controller = cvm_oct_poll_controller,
> -#endif
> -};
> -
> -static const struct net_device_ops cvm_oct_xaui_netdev_ops = {
> - .ndo_init = cvm_oct_common_init,
> - .ndo_uninit = cvm_oct_common_uninit,
> - .ndo_open = cvm_oct_xaui_open,
> - .ndo_stop = cvm_oct_common_stop,
> - .ndo_start_xmit = cvm_oct_xmit,
> - .ndo_set_rx_mode = cvm_oct_common_set_multicast_list,
> - .ndo_set_mac_address = cvm_oct_common_set_mac_address,
> - .ndo_do_ioctl = cvm_oct_ioctl,
> - .ndo_change_mtu = cvm_oct_common_change_mtu,
> - .ndo_get_stats = cvm_oct_common_get_stats,
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> - .ndo_poll_controller = cvm_oct_poll_controller,
> -#endif
> -};
> -
> -static const struct net_device_ops cvm_oct_sgmii_netdev_ops = {
> - .ndo_init = cvm_oct_sgmii_init,
> - .ndo_uninit = cvm_oct_common_uninit,
> - .ndo_open = cvm_oct_sgmii_open,
> - .ndo_stop = cvm_oct_common_stop,
> - .ndo_start_xmit = cvm_oct_xmit,
> - .ndo_set_rx_mode = cvm_oct_common_set_multicast_list,
> - .ndo_set_mac_address = cvm_oct_common_set_mac_address,
> - .ndo_do_ioctl = cvm_oct_ioctl,
> - .ndo_change_mtu = cvm_oct_common_change_mtu,
> - .ndo_get_stats = cvm_oct_common_get_stats,
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> - .ndo_poll_controller = cvm_oct_poll_controller,
> -#endif
> -};
> -
> -static const struct net_device_ops cvm_oct_spi_netdev_ops = {
> - .ndo_init = cvm_oct_spi_init,
> - .ndo_uninit = cvm_oct_spi_uninit,
> - .ndo_start_xmit = cvm_oct_xmit,
> - .ndo_set_rx_mode = cvm_oct_common_set_multicast_list,
> - .ndo_set_mac_address = cvm_oct_common_set_mac_address,
> - .ndo_do_ioctl = cvm_oct_ioctl,
> - .ndo_change_mtu = cvm_oct_common_change_mtu,
> - .ndo_get_stats = cvm_oct_common_get_stats,
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> - .ndo_poll_controller = cvm_oct_poll_controller,
> -#endif
> -};
> -
> -static const struct net_device_ops cvm_oct_rgmii_netdev_ops = {
> - .ndo_init = cvm_oct_common_init,
> - .ndo_uninit = cvm_oct_common_uninit,
> - .ndo_open = cvm_oct_rgmii_open,
> - .ndo_stop = cvm_oct_common_stop,
> - .ndo_start_xmit = cvm_oct_xmit,
> - .ndo_set_rx_mode = cvm_oct_common_set_multicast_list,
> - .ndo_set_mac_address = cvm_oct_common_set_mac_address,
> - .ndo_do_ioctl = cvm_oct_ioctl,
> - .ndo_change_mtu = cvm_oct_common_change_mtu,
> - .ndo_get_stats = cvm_oct_common_get_stats,
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> - .ndo_poll_controller = cvm_oct_poll_controller,
> -#endif
> -};
> -
> -static const struct net_device_ops cvm_oct_pow_netdev_ops = {
> - .ndo_init = cvm_oct_common_init,
> - .ndo_start_xmit = cvm_oct_xmit_pow,
> - .ndo_set_rx_mode = cvm_oct_common_set_multicast_list,
> - .ndo_set_mac_address = cvm_oct_common_set_mac_address,
> - .ndo_do_ioctl = cvm_oct_ioctl,
> - .ndo_change_mtu = cvm_oct_common_change_mtu,
> - .ndo_get_stats = cvm_oct_common_get_stats,
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> - .ndo_poll_controller = cvm_oct_poll_controller,
> -#endif
> -};
> -
> -static struct device_node *cvm_oct_of_get_child
> - (const struct device_node *parent, int reg_val)
> -{
> - struct device_node *node = NULL;
> - int size;
> - const __be32 *addr;
> -
> - for (;;) {
> - node = of_get_next_child(parent, node);
> - if (!node)
> - break;
> - addr = of_get_property(node, "reg", &size);
> - if (addr && (be32_to_cpu(*addr) == reg_val))
> - break;
> - }
> - return node;
> -}
> -
> -static struct device_node *cvm_oct_node_for_port(struct device_node *pip,
> - int interface, int port)
> -{
> - struct device_node *ni, *np;
> -
> - ni = cvm_oct_of_get_child(pip, interface);
> - if (!ni)
> - return NULL;
> -
> - np = cvm_oct_of_get_child(ni, port);
> - of_node_put(ni);
> -
> - return np;
> -}
> -
> -static void cvm_set_rgmii_delay(struct octeon_ethernet *priv, int iface,
> - int port)
> -{
> - struct device_node *np = priv->of_node;
> - u32 delay_value;
> - bool rx_delay;
> - bool tx_delay;
> -
> - /* By default, both RX/TX delay is enabled in
> - * __cvmx_helper_rgmii_enable().
> - */
> - rx_delay = true;
> - tx_delay = true;
> -
> - if (!of_property_read_u32(np, "rx-delay", &delay_value)) {
> - cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, iface), delay_value);
> - rx_delay = delay_value > 0;
> - }
> - if (!of_property_read_u32(np, "tx-delay", &delay_value)) {
> - cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, iface), delay_value);
> - tx_delay = delay_value > 0;
> - }
> -
> - if (!rx_delay && !tx_delay)
> - priv->phy_mode = PHY_INTERFACE_MODE_RGMII_ID;
> - else if (!rx_delay)
> - priv->phy_mode = PHY_INTERFACE_MODE_RGMII_RXID;
> - else if (!tx_delay)
> - priv->phy_mode = PHY_INTERFACE_MODE_RGMII_TXID;
> - else
> - priv->phy_mode = PHY_INTERFACE_MODE_RGMII;
> -}
> -
> -static int cvm_oct_probe(struct platform_device *pdev)
> -{
> - int num_interfaces;
> - int interface;
> - int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE;
> - int qos;
> - struct device_node *pip;
> - int mtu_overhead = ETH_HLEN + ETH_FCS_LEN;
> -
> -#if IS_ENABLED(CONFIG_VLAN_8021Q)
> - mtu_overhead += VLAN_HLEN;
> -#endif
> -
> - octeon_mdiobus_force_mod_depencency();
> -
> - pip = pdev->dev.of_node;
> - if (!pip) {
> - pr_err("Error: No 'pip' in /aliases\n");
> - return -EINVAL;
> - }
> -
> - cvm_oct_configure_common_hw();
> -
> - cvmx_helper_initialize_packet_io_global();
> -
> - if (receive_group_order) {
> - if (receive_group_order > 4)
> - receive_group_order = 4;
> - pow_receive_groups = (1 << (1 << receive_group_order)) - 1;
> - } else {
> - pow_receive_groups = BIT(pow_receive_group);
> - }
> -
> - /* Change the input group for all ports before input is enabled */
> - num_interfaces = cvmx_helper_get_number_of_interfaces();
> - for (interface = 0; interface < num_interfaces; interface++) {
> - int num_ports = cvmx_helper_ports_on_interface(interface);
> - int port;
> -
> - for (port = cvmx_helper_get_ipd_port(interface, 0);
> - port < cvmx_helper_get_ipd_port(interface, num_ports);
> - port++) {
> - union cvmx_pip_prt_tagx pip_prt_tagx;
> -
> - pip_prt_tagx.u64 =
> - cvmx_read_csr(CVMX_PIP_PRT_TAGX(port));
> -
> - if (receive_group_order) {
> - int tag_mask;
> -
> - /* We support only 16 groups at the moment, so
> - * always disable the two additional "hidden"
> - * tag_mask bits on CN68XX.
> - */
> - if (OCTEON_IS_MODEL(OCTEON_CN68XX))
> - pip_prt_tagx.u64 |= 0x3ull << 44;
> -
> - tag_mask = ~((1 << receive_group_order) - 1);
> - pip_prt_tagx.s.grptagbase = 0;
> - pip_prt_tagx.s.grptagmask = tag_mask;
> - pip_prt_tagx.s.grptag = 1;
> - pip_prt_tagx.s.tag_mode = 0;
> - pip_prt_tagx.s.inc_prt_flag = 1;
> - pip_prt_tagx.s.ip6_dprt_flag = 1;
> - pip_prt_tagx.s.ip4_dprt_flag = 1;
> - pip_prt_tagx.s.ip6_sprt_flag = 1;
> - pip_prt_tagx.s.ip4_sprt_flag = 1;
> - pip_prt_tagx.s.ip6_dst_flag = 1;
> - pip_prt_tagx.s.ip4_dst_flag = 1;
> - pip_prt_tagx.s.ip6_src_flag = 1;
> - pip_prt_tagx.s.ip4_src_flag = 1;
> - pip_prt_tagx.s.grp = 0;
> - } else {
> - pip_prt_tagx.s.grptag = 0;
> - pip_prt_tagx.s.grp = pow_receive_group;
> - }
> -
> - cvmx_write_csr(CVMX_PIP_PRT_TAGX(port),
> - pip_prt_tagx.u64);
> - }
> - }
> -
> - cvmx_helper_ipd_and_packet_input_enable();
> -
> - memset(cvm_oct_device, 0, sizeof(cvm_oct_device));
> -
> - /*
> - * Initialize the FAU used for counting packet buffers that
> - * need to be freed.
> - */
> - cvmx_fau_atomic_write32(FAU_NUM_PACKET_BUFFERS_TO_FREE, 0);
> -
> - /* Initialize the FAU used for counting tx SKBs that need to be freed */
> - cvmx_fau_atomic_write32(FAU_TOTAL_TX_TO_CLEAN, 0);
> -
> - if ((pow_send_group != -1)) {
> - struct net_device *dev;
> -
> - dev = alloc_etherdev(sizeof(struct octeon_ethernet));
> - if (dev) {
> - /* Initialize the device private structure. */
> - struct octeon_ethernet *priv = netdev_priv(dev);
> -
> - SET_NETDEV_DEV(dev, &pdev->dev);
> - dev->netdev_ops = &cvm_oct_pow_netdev_ops;
> - priv->imode = CVMX_HELPER_INTERFACE_MODE_DISABLED;
> - priv->port = CVMX_PIP_NUM_INPUT_PORTS;
> - priv->queue = -1;
> - strscpy(dev->name, "pow%d", sizeof(dev->name));
> - for (qos = 0; qos < 16; qos++)
> - skb_queue_head_init(&priv->tx_free_list[qos]);
> - dev->min_mtu = VLAN_ETH_ZLEN - mtu_overhead;
> - dev->max_mtu = OCTEON_MAX_MTU - mtu_overhead;
> -
> - if (register_netdev(dev) < 0) {
> - pr_err("Failed to register ethernet device for POW\n");
> - free_netdev(dev);
> - } else {
> - cvm_oct_device[CVMX_PIP_NUM_INPUT_PORTS] = dev;
> - pr_info("%s: POW send group %d, receive group %d\n",
> - dev->name, pow_send_group,
> - pow_receive_group);
> - }
> - } else {
> - pr_err("Failed to allocate ethernet device for POW\n");
> - }
> - }
> -
> - num_interfaces = cvmx_helper_get_number_of_interfaces();
> - for (interface = 0; interface < num_interfaces; interface++) {
> - cvmx_helper_interface_mode_t imode =
> - cvmx_helper_interface_get_mode(interface);
> - int num_ports = cvmx_helper_ports_on_interface(interface);
> - int port;
> - int port_index;
> -
> - for (port_index = 0,
> - port = cvmx_helper_get_ipd_port(interface, 0);
> - port < cvmx_helper_get_ipd_port(interface, num_ports);
> - port_index++, port++) {
> - struct octeon_ethernet *priv;
> - struct net_device *dev =
> - alloc_etherdev(sizeof(struct octeon_ethernet));
> - if (!dev) {
> - pr_err("Failed to allocate ethernet device for port %d\n",
> - port);
> - continue;
> - }
> -
> - /* Initialize the device private structure. */
> - SET_NETDEV_DEV(dev, &pdev->dev);
> - priv = netdev_priv(dev);
> - priv->netdev = dev;
> - priv->of_node = cvm_oct_node_for_port(pip, interface,
> - port_index);
> -
> - INIT_DELAYED_WORK(&priv->port_periodic_work,
> - cvm_oct_periodic_worker);
> - priv->imode = imode;
> - priv->port = port;
> - priv->queue = cvmx_pko_get_base_queue(priv->port);
> - priv->fau = fau - cvmx_pko_get_num_queues(port) * 4;
> - priv->phy_mode = PHY_INTERFACE_MODE_NA;
> - for (qos = 0; qos < 16; qos++)
> - skb_queue_head_init(&priv->tx_free_list[qos]);
> - for (qos = 0; qos < cvmx_pko_get_num_queues(port);
> - qos++)
> - cvmx_fau_atomic_write32(priv->fau + qos * 4, 0);
> - dev->min_mtu = VLAN_ETH_ZLEN - mtu_overhead;
> - dev->max_mtu = OCTEON_MAX_MTU - mtu_overhead;
> -
> - switch (priv->imode) {
> - /* These types don't support ports to IPD/PKO */
> - case CVMX_HELPER_INTERFACE_MODE_DISABLED:
> - case CVMX_HELPER_INTERFACE_MODE_PCIE:
> - case CVMX_HELPER_INTERFACE_MODE_PICMG:
> - break;
> -
> - case CVMX_HELPER_INTERFACE_MODE_NPI:
> - dev->netdev_ops = &cvm_oct_npi_netdev_ops;
> - strscpy(dev->name, "npi%d", sizeof(dev->name));
> - break;
> -
> - case CVMX_HELPER_INTERFACE_MODE_XAUI:
> - dev->netdev_ops = &cvm_oct_xaui_netdev_ops;
> - strscpy(dev->name, "xaui%d", sizeof(dev->name));
> - break;
> -
> - case CVMX_HELPER_INTERFACE_MODE_LOOP:
> - dev->netdev_ops = &cvm_oct_npi_netdev_ops;
> - strscpy(dev->name, "loop%d", sizeof(dev->name));
> - break;
> -
> - case CVMX_HELPER_INTERFACE_MODE_SGMII:
> - priv->phy_mode = PHY_INTERFACE_MODE_SGMII;
> - dev->netdev_ops = &cvm_oct_sgmii_netdev_ops;
> - strscpy(dev->name, "eth%d", sizeof(dev->name));
> - break;
> -
> - case CVMX_HELPER_INTERFACE_MODE_SPI:
> - dev->netdev_ops = &cvm_oct_spi_netdev_ops;
> - strscpy(dev->name, "spi%d", sizeof(dev->name));
> - break;
> -
> - case CVMX_HELPER_INTERFACE_MODE_GMII:
> - priv->phy_mode = PHY_INTERFACE_MODE_GMII;
> - dev->netdev_ops = &cvm_oct_rgmii_netdev_ops;
> - strscpy(dev->name, "eth%d", sizeof(dev->name));
> - break;
> -
> - case CVMX_HELPER_INTERFACE_MODE_RGMII:
> - dev->netdev_ops = &cvm_oct_rgmii_netdev_ops;
> - strscpy(dev->name, "eth%d", sizeof(dev->name));
> - cvm_set_rgmii_delay(priv, interface,
> - port_index);
> - break;
> - }
> -
> - if (!dev->netdev_ops) {
> - free_netdev(dev);
> - } else if (register_netdev(dev) < 0) {
> - pr_err("Failed to register ethernet device for interface %d, port %d\n",
> - interface, priv->port);
> - free_netdev(dev);
> - } else {
> - cvm_oct_device[priv->port] = dev;
> - fau -=
> - cvmx_pko_get_num_queues(priv->port) *
> - sizeof(u32);
> - schedule_delayed_work(&priv->port_periodic_work,
> - HZ);
> - }
> - }
> - }
> -
> - cvm_oct_tx_initialize();
> - cvm_oct_rx_initialize();
> -
> - /*
> - * 150 uS: about 10 1500-byte packets at 1GE.
> - */
> - cvm_oct_tx_poll_interval = 150 * (octeon_get_clock_rate() / 1000000);
> -
> - schedule_delayed_work(&cvm_oct_rx_refill_work, HZ);
> -
> - return 0;
> -}
> -
> -static int cvm_oct_remove(struct platform_device *pdev)
> -{
> - int port;
> -
> - cvmx_ipd_disable();
> -
> - atomic_inc_return(&cvm_oct_poll_queue_stopping);
> - cancel_delayed_work_sync(&cvm_oct_rx_refill_work);
> -
> - cvm_oct_rx_shutdown();
> - cvm_oct_tx_shutdown();
> -
> - cvmx_pko_disable();
> -
> - /* Free the ethernet devices */
> - for (port = 0; port < TOTAL_NUMBER_OF_PORTS; port++) {
> - if (cvm_oct_device[port]) {
> - struct net_device *dev = cvm_oct_device[port];
> - struct octeon_ethernet *priv = netdev_priv(dev);
> -
> - cancel_delayed_work_sync(&priv->port_periodic_work);
> -
> - cvm_oct_tx_shutdown_dev(dev);
> - unregister_netdev(dev);
> - free_netdev(dev);
> - cvm_oct_device[port] = NULL;
> - }
> - }
> -
> - cvmx_pko_shutdown();
> -
> - cvmx_ipd_free_ptr();
> -
> - /* Free the HW pools */
> - cvm_oct_mem_empty_fpa(CVMX_FPA_PACKET_POOL, CVMX_FPA_PACKET_POOL_SIZE,
> - num_packet_buffers);
> - cvm_oct_mem_empty_fpa(CVMX_FPA_WQE_POOL, CVMX_FPA_WQE_POOL_SIZE,
> - num_packet_buffers);
> - if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL)
> - cvm_oct_mem_empty_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL,
> - CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128);
> - return 0;
> -}
> -
> -static const struct of_device_id cvm_oct_match[] = {
> - {
> - .compatible = "cavium,octeon-3860-pip",
> - },
> - {},
> -};
> -MODULE_DEVICE_TABLE(of, cvm_oct_match);
> -
> -static struct platform_driver cvm_oct_driver = {
> - .probe = cvm_oct_probe,
> - .remove = cvm_oct_remove,
> - .driver = {
> - .name = KBUILD_MODNAME,
> - .of_match_table = cvm_oct_match,
> - },
> -};
> -
> -module_platform_driver(cvm_oct_driver);
> -
> -MODULE_LICENSE("GPL");
> -MODULE_AUTHOR("Cavium Networks <support@...iumnetworks.com>");
> -MODULE_DESCRIPTION("Cavium Networks Octeon ethernet driver.");
> diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h
> deleted file mode 100644
> index a6140705706f..000000000000
> --- a/drivers/staging/octeon/octeon-ethernet.h
> +++ /dev/null
> @@ -1,107 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * This file is based on code from OCTEON SDK by Cavium Networks.
> - *
> - * Copyright (c) 2003-2010 Cavium Networks
> - */
> -
> -/*
> - * External interface for the Cavium Octeon ethernet driver.
> - */
> -#ifndef OCTEON_ETHERNET_H
> -#define OCTEON_ETHERNET_H
> -
> -#include <linux/of.h>
> -#include <linux/phy.h>
> -
> -#ifdef CONFIG_CAVIUM_OCTEON_SOC
> -
> -#include <asm/octeon/octeon.h>
> -
> -#include <asm/octeon/cvmx-asxx-defs.h>
> -#include <asm/octeon/cvmx-config.h>
> -#include <asm/octeon/cvmx-fau.h>
> -#include <asm/octeon/cvmx-gmxx-defs.h>
> -#include <asm/octeon/cvmx-helper.h>
> -#include <asm/octeon/cvmx-helper-util.h>
> -#include <asm/octeon/cvmx-ipd.h>
> -#include <asm/octeon/cvmx-ipd-defs.h>
> -#include <asm/octeon/cvmx-npi-defs.h>
> -#include <asm/octeon/cvmx-pip.h>
> -#include <asm/octeon/cvmx-pko.h>
> -#include <asm/octeon/cvmx-pow.h>
> -#include <asm/octeon/cvmx-scratch.h>
> -#include <asm/octeon/cvmx-spi.h>
> -#include <asm/octeon/cvmx-spxx-defs.h>
> -#include <asm/octeon/cvmx-stxx-defs.h>
> -#include <asm/octeon/cvmx-wqe.h>
> -
> -#else
> -
> -#include "octeon-stubs.h"
> -
> -#endif
> -
> -/**
> - * This is the definition of the Ethernet driver's private
> - * driver state stored in netdev_priv(dev).
> - */
> -struct octeon_ethernet {
> - /* PKO hardware output port */
> - int port;
> - /* PKO hardware queue for the port */
> - int queue;
> - /* Hardware fetch and add to count outstanding tx buffers */
> - int fau;
> - /* My netdev. */
> - struct net_device *netdev;
> - /*
> - * Type of port. This is one of the enums in
> - * cvmx_helper_interface_mode_t
> - */
> - int imode;
> - /* PHY mode */
> - phy_interface_t phy_mode;
> - /* List of outstanding tx buffers per queue */
> - struct sk_buff_head tx_free_list[16];
> - unsigned int last_speed;
> - unsigned int last_link;
> - /* Last negotiated link state */
> - u64 link_info;
> - /* Called periodically to check link status */
> - void (*poll)(struct net_device *dev);
> - struct delayed_work port_periodic_work;
> - struct device_node *of_node;
> -};
> -
> -int cvm_oct_free_work(void *work_queue_entry);
> -
> -int cvm_oct_rgmii_open(struct net_device *dev);
> -
> -int cvm_oct_sgmii_init(struct net_device *dev);
> -int cvm_oct_sgmii_open(struct net_device *dev);
> -
> -int cvm_oct_spi_init(struct net_device *dev);
> -void cvm_oct_spi_uninit(struct net_device *dev);
> -
> -int cvm_oct_common_init(struct net_device *dev);
> -void cvm_oct_common_uninit(struct net_device *dev);
> -void cvm_oct_adjust_link(struct net_device *dev);
> -int cvm_oct_common_stop(struct net_device *dev);
> -int cvm_oct_common_open(struct net_device *dev,
> - void (*link_poll)(struct net_device *));
> -void cvm_oct_note_carrier(struct octeon_ethernet *priv,
> - union cvmx_helper_link_info li);
> -void cvm_oct_link_poll(struct net_device *dev);
> -
> -extern int always_use_pow;
> -extern int pow_send_group;
> -extern int pow_receive_groups;
> -extern char pow_send_list[];
> -extern struct net_device *cvm_oct_device[];
> -extern atomic_t cvm_oct_poll_queue_stopping;
> -extern u64 cvm_oct_tx_poll_interval;
> -
> -extern int rx_napi_weight;
> -
> -#endif
> diff --git a/drivers/staging/octeon/octeon-stubs.h b/drivers/staging/octeon/octeon-stubs.h
> deleted file mode 100644
> index 79213c045504..000000000000
> --- a/drivers/staging/octeon/octeon-stubs.h
> +++ /dev/null
> @@ -1,1433 +0,0 @@
> -#define CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE 512
> -
> -#ifndef XKPHYS_TO_PHYS
> -# define XKPHYS_TO_PHYS(p) (p)
> -#endif
> -
> -#define OCTEON_IRQ_WORKQ0 0
> -#define OCTEON_IRQ_RML 0
> -#define OCTEON_IRQ_TIMER1 0
> -#define OCTEON_IS_MODEL(x) 0
> -#define octeon_has_feature(x) 0
> -#define octeon_get_clock_rate() 0
> -
> -#define CVMX_SYNCIOBDMA do { } while(0)
> -
> -#define CVMX_HELPER_INPUT_TAG_TYPE 0
> -#define CVMX_HELPER_FIRST_MBUFF_SKIP 7
> -#define CVMX_FAU_REG_END (2048)
> -#define CVMX_FPA_OUTPUT_BUFFER_POOL (2)
> -#define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE 16
> -#define CVMX_FPA_PACKET_POOL (0)
> -#define CVMX_FPA_PACKET_POOL_SIZE 16
> -#define CVMX_FPA_WQE_POOL (1)
> -#define CVMX_FPA_WQE_POOL_SIZE 16
> -#define CVMX_GMXX_RXX_ADR_CAM_EN(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_ADR_CTL(a, b) ((a)+(b))
> -#define CVMX_GMXX_PRTX_CFG(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_FRM_MAX(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_JABBER(a, b) ((a)+(b))
> -#define CVMX_IPD_CTL_STATUS 0
> -#define CVMX_PIP_FRM_LEN_CHKX(a) (a)
> -#define CVMX_PIP_NUM_INPUT_PORTS 1
> -#define CVMX_SCR_SCRATCH 0
> -#define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 2
> -#define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 2
> -#define CVMX_IPD_SUB_PORT_FCS 0
> -#define CVMX_SSO_WQ_IQ_DIS 0
> -#define CVMX_SSO_WQ_INT 0
> -#define CVMX_POW_WQ_INT 0
> -#define CVMX_SSO_WQ_INT_PC 0
> -#define CVMX_NPI_RSL_INT_BLOCKS 0
> -#define CVMX_POW_WQ_INT_PC 0
> -
> -union cvmx_pip_wqe_word2 {
> - uint64_t u64;
> - struct {
> - uint64_t bufs:8;
> - uint64_t ip_offset:8;
> - uint64_t vlan_valid:1;
> - uint64_t vlan_stacked:1;
> - uint64_t unassigned:1;
> - uint64_t vlan_cfi:1;
> - uint64_t vlan_id:12;
> - uint64_t pr:4;
> - uint64_t unassigned2:8;
> - uint64_t dec_ipcomp:1;
> - uint64_t tcp_or_udp:1;
> - uint64_t dec_ipsec:1;
> - uint64_t is_v6:1;
> - uint64_t software:1;
> - uint64_t L4_error:1;
> - uint64_t is_frag:1;
> - uint64_t IP_exc:1;
> - uint64_t is_bcast:1;
> - uint64_t is_mcast:1;
> - uint64_t not_IP:1;
> - uint64_t rcv_error:1;
> - uint64_t err_code:8;
> - } s;
> - struct {
> - uint64_t bufs:8;
> - uint64_t ip_offset:8;
> - uint64_t vlan_valid:1;
> - uint64_t vlan_stacked:1;
> - uint64_t unassigned:1;
> - uint64_t vlan_cfi:1;
> - uint64_t vlan_id:12;
> - uint64_t port:12;
> - uint64_t dec_ipcomp:1;
> - uint64_t tcp_or_udp:1;
> - uint64_t dec_ipsec:1;
> - uint64_t is_v6:1;
> - uint64_t software:1;
> - uint64_t L4_error:1;
> - uint64_t is_frag:1;
> - uint64_t IP_exc:1;
> - uint64_t is_bcast:1;
> - uint64_t is_mcast:1;
> - uint64_t not_IP:1;
> - uint64_t rcv_error:1;
> - uint64_t err_code:8;
> - } s_cn68xx;
> -
> - struct {
> - uint64_t unused1:16;
> - uint64_t vlan:16;
> - uint64_t unused2:32;
> - } svlan;
> - struct {
> - uint64_t bufs:8;
> - uint64_t unused:8;
> - uint64_t vlan_valid:1;
> - uint64_t vlan_stacked:1;
> - uint64_t unassigned:1;
> - uint64_t vlan_cfi:1;
> - uint64_t vlan_id:12;
> - uint64_t pr:4;
> - uint64_t unassigned2:12;
> - uint64_t software:1;
> - uint64_t unassigned3:1;
> - uint64_t is_rarp:1;
> - uint64_t is_arp:1;
> - uint64_t is_bcast:1;
> - uint64_t is_mcast:1;
> - uint64_t not_IP:1;
> - uint64_t rcv_error:1;
> - uint64_t err_code:8;
> - } snoip;
> -
> -};
> -
> -union cvmx_pip_wqe_word0 {
> - struct {
> - uint64_t next_ptr:40;
> - uint8_t unused;
> - __wsum hw_chksum;
> - } cn38xx;
> - struct {
> - uint64_t pknd:6; /* 0..5 */
> - uint64_t unused2:2; /* 6..7 */
> - uint64_t bpid:6; /* 8..13 */
> - uint64_t unused1:18; /* 14..31 */
> - uint64_t l2ptr:8; /* 32..39 */
> - uint64_t l3ptr:8; /* 40..47 */
> - uint64_t unused0:8; /* 48..55 */
> - uint64_t l4ptr:8; /* 56..63 */
> - } cn68xx;
> -};
> -
> -union cvmx_wqe_word0 {
> - uint64_t u64;
> - union cvmx_pip_wqe_word0 pip;
> -};
> -
> -union cvmx_wqe_word1 {
> - uint64_t u64;
> - struct {
> - uint64_t tag:32;
> - uint64_t tag_type:2;
> - uint64_t varies:14;
> - uint64_t len:16;
> - };
> - struct {
> - uint64_t tag:32;
> - uint64_t tag_type:2;
> - uint64_t zero_2:3;
> - uint64_t grp:6;
> - uint64_t zero_1:1;
> - uint64_t qos:3;
> - uint64_t zero_0:1;
> - uint64_t len:16;
> - } cn68xx;
> - struct {
> - uint64_t tag:32;
> - uint64_t tag_type:2;
> - uint64_t zero_2:1;
> - uint64_t grp:4;
> - uint64_t qos:3;
> - uint64_t ipprt:6;
> - uint64_t len:16;
> - } cn38xx;
> -};
> -
> -union cvmx_buf_ptr {
> - void *ptr;
> - uint64_t u64;
> - struct {
> - uint64_t i:1;
> - uint64_t back:4;
> - uint64_t pool:3;
> - uint64_t size:16;
> - uint64_t addr:40;
> - } s;
> -};
> -
> -struct cvmx_wqe {
> - union cvmx_wqe_word0 word0;
> - union cvmx_wqe_word1 word1;
> - union cvmx_pip_wqe_word2 word2;
> - union cvmx_buf_ptr packet_ptr;
> - uint8_t packet_data[96];
> -};
> -
> -union cvmx_helper_link_info {
> - uint64_t u64;
> - struct {
> - uint64_t reserved_20_63:44;
> - uint64_t link_up:1; /**< Is the physical link up? */
> - uint64_t full_duplex:1; /**< 1 if the link is full duplex */
> - uint64_t speed:18; /**< Speed of the link in Mbps */
> - } s;
> -};
> -
> -enum cvmx_fau_reg_32 {
> - CVMX_FAU_REG_32_START = 0,
> -};
> -
> -enum cvmx_fau_op_size {
> - CVMX_FAU_OP_SIZE_8 = 0,
> - CVMX_FAU_OP_SIZE_16 = 1,
> - CVMX_FAU_OP_SIZE_32 = 2,
> - CVMX_FAU_OP_SIZE_64 = 3
> -};
> -
> -typedef enum {
> - CVMX_SPI_MODE_UNKNOWN = 0,
> - CVMX_SPI_MODE_TX_HALFPLEX = 1,
> - CVMX_SPI_MODE_RX_HALFPLEX = 2,
> - CVMX_SPI_MODE_DUPLEX = 3
> -} cvmx_spi_mode_t;
> -
> -typedef enum {
> - CVMX_HELPER_INTERFACE_MODE_DISABLED,
> - CVMX_HELPER_INTERFACE_MODE_RGMII,
> - CVMX_HELPER_INTERFACE_MODE_GMII,
> - CVMX_HELPER_INTERFACE_MODE_SPI,
> - CVMX_HELPER_INTERFACE_MODE_PCIE,
> - CVMX_HELPER_INTERFACE_MODE_XAUI,
> - CVMX_HELPER_INTERFACE_MODE_SGMII,
> - CVMX_HELPER_INTERFACE_MODE_PICMG,
> - CVMX_HELPER_INTERFACE_MODE_NPI,
> - CVMX_HELPER_INTERFACE_MODE_LOOP,
> -} cvmx_helper_interface_mode_t;
> -
> -typedef enum {
> - CVMX_POW_WAIT = 1,
> - CVMX_POW_NO_WAIT = 0,
> -} cvmx_pow_wait_t;
> -
> -typedef enum {
> - CVMX_PKO_LOCK_NONE = 0,
> - CVMX_PKO_LOCK_ATOMIC_TAG = 1,
> - CVMX_PKO_LOCK_CMD_QUEUE = 2,
> -} cvmx_pko_lock_t;
> -
> -typedef enum {
> - CVMX_PKO_SUCCESS,
> - CVMX_PKO_INVALID_PORT,
> - CVMX_PKO_INVALID_QUEUE,
> - CVMX_PKO_INVALID_PRIORITY,
> - CVMX_PKO_NO_MEMORY,
> - CVMX_PKO_PORT_ALREADY_SETUP,
> - CVMX_PKO_CMD_QUEUE_INIT_ERROR
> -} cvmx_pko_status_t;
> -
> -enum cvmx_pow_tag_type {
> - CVMX_POW_TAG_TYPE_ORDERED = 0L,
> - CVMX_POW_TAG_TYPE_ATOMIC = 1L,
> - CVMX_POW_TAG_TYPE_NULL = 2L,
> - CVMX_POW_TAG_TYPE_NULL_NULL = 3L
> -};
> -
> -union cvmx_ipd_ctl_status {
> - uint64_t u64;
> - struct cvmx_ipd_ctl_status_s {
> - uint64_t reserved_18_63:46;
> - uint64_t use_sop:1;
> - uint64_t rst_done:1;
> - uint64_t clken:1;
> - uint64_t no_wptr:1;
> - uint64_t pq_apkt:1;
> - uint64_t pq_nabuf:1;
> - uint64_t ipd_full:1;
> - uint64_t pkt_off:1;
> - uint64_t len_m8:1;
> - uint64_t reset:1;
> - uint64_t addpkt:1;
> - uint64_t naddbuf:1;
> - uint64_t pkt_lend:1;
> - uint64_t wqe_lend:1;
> - uint64_t pbp_en:1;
> - uint64_t opc_mode:2;
> - uint64_t ipd_en:1;
> - } s;
> - struct cvmx_ipd_ctl_status_cn30xx {
> - uint64_t reserved_10_63:54;
> - uint64_t len_m8:1;
> - uint64_t reset:1;
> - uint64_t addpkt:1;
> - uint64_t naddbuf:1;
> - uint64_t pkt_lend:1;
> - uint64_t wqe_lend:1;
> - uint64_t pbp_en:1;
> - uint64_t opc_mode:2;
> - uint64_t ipd_en:1;
> - } cn30xx;
> - struct cvmx_ipd_ctl_status_cn38xxp2 {
> - uint64_t reserved_9_63:55;
> - uint64_t reset:1;
> - uint64_t addpkt:1;
> - uint64_t naddbuf:1;
> - uint64_t pkt_lend:1;
> - uint64_t wqe_lend:1;
> - uint64_t pbp_en:1;
> - uint64_t opc_mode:2;
> - uint64_t ipd_en:1;
> - } cn38xxp2;
> - struct cvmx_ipd_ctl_status_cn50xx {
> - uint64_t reserved_15_63:49;
> - uint64_t no_wptr:1;
> - uint64_t pq_apkt:1;
> - uint64_t pq_nabuf:1;
> - uint64_t ipd_full:1;
> - uint64_t pkt_off:1;
> - uint64_t len_m8:1;
> - uint64_t reset:1;
> - uint64_t addpkt:1;
> - uint64_t naddbuf:1;
> - uint64_t pkt_lend:1;
> - uint64_t wqe_lend:1;
> - uint64_t pbp_en:1;
> - uint64_t opc_mode:2;
> - uint64_t ipd_en:1;
> - } cn50xx;
> - struct cvmx_ipd_ctl_status_cn58xx {
> - uint64_t reserved_12_63:52;
> - uint64_t ipd_full:1;
> - uint64_t pkt_off:1;
> - uint64_t len_m8:1;
> - uint64_t reset:1;
> - uint64_t addpkt:1;
> - uint64_t naddbuf:1;
> - uint64_t pkt_lend:1;
> - uint64_t wqe_lend:1;
> - uint64_t pbp_en:1;
> - uint64_t opc_mode:2;
> - uint64_t ipd_en:1;
> - } cn58xx;
> - struct cvmx_ipd_ctl_status_cn63xxp1 {
> - uint64_t reserved_16_63:48;
> - uint64_t clken:1;
> - uint64_t no_wptr:1;
> - uint64_t pq_apkt:1;
> - uint64_t pq_nabuf:1;
> - uint64_t ipd_full:1;
> - uint64_t pkt_off:1;
> - uint64_t len_m8:1;
> - uint64_t reset:1;
> - uint64_t addpkt:1;
> - uint64_t naddbuf:1;
> - uint64_t pkt_lend:1;
> - uint64_t wqe_lend:1;
> - uint64_t pbp_en:1;
> - uint64_t opc_mode:2;
> - uint64_t ipd_en:1;
> - } cn63xxp1;
> -};
> -
> -union cvmx_ipd_sub_port_fcs {
> - uint64_t u64;
> - struct cvmx_ipd_sub_port_fcs_s {
> - uint64_t port_bit:32;
> - uint64_t reserved_32_35:4;
> - uint64_t port_bit2:4;
> - uint64_t reserved_40_63:24;
> - } s;
> - struct cvmx_ipd_sub_port_fcs_cn30xx {
> - uint64_t port_bit:3;
> - uint64_t reserved_3_63:61;
> - } cn30xx;
> - struct cvmx_ipd_sub_port_fcs_cn38xx {
> - uint64_t port_bit:32;
> - uint64_t reserved_32_63:32;
> - } cn38xx;
> -};
> -
> -union cvmx_ipd_sub_port_qos_cnt {
> - uint64_t u64;
> - struct cvmx_ipd_sub_port_qos_cnt_s {
> - uint64_t cnt:32;
> - uint64_t port_qos:9;
> - uint64_t reserved_41_63:23;
> - } s;
> -};
> -typedef struct {
> - uint32_t dropped_octets;
> - uint32_t dropped_packets;
> - uint32_t pci_raw_packets;
> - uint32_t octets;
> - uint32_t packets;
> - uint32_t multicast_packets;
> - uint32_t broadcast_packets;
> - uint32_t len_64_packets;
> - uint32_t len_65_127_packets;
> - uint32_t len_128_255_packets;
> - uint32_t len_256_511_packets;
> - uint32_t len_512_1023_packets;
> - uint32_t len_1024_1518_packets;
> - uint32_t len_1519_max_packets;
> - uint32_t fcs_align_err_packets;
> - uint32_t runt_packets;
> - uint32_t runt_crc_packets;
> - uint32_t oversize_packets;
> - uint32_t oversize_crc_packets;
> - uint32_t inb_packets;
> - uint64_t inb_octets;
> - uint16_t inb_errors;
> -} cvmx_pip_port_status_t;
> -
> -typedef struct {
> - uint32_t packets;
> - uint64_t octets;
> - uint64_t doorbell;
> -} cvmx_pko_port_status_t;
> -
> -union cvmx_pip_frm_len_chkx {
> - uint64_t u64;
> - struct cvmx_pip_frm_len_chkx_s {
> - uint64_t reserved_32_63:32;
> - uint64_t maxlen:16;
> - uint64_t minlen:16;
> - } s;
> -};
> -
> -union cvmx_gmxx_rxx_frm_ctl {
> - uint64_t u64;
> - struct cvmx_gmxx_rxx_frm_ctl_s {
> - uint64_t pre_chk:1;
> - uint64_t pre_strp:1;
> - uint64_t ctl_drp:1;
> - uint64_t ctl_bck:1;
> - uint64_t ctl_mcst:1;
> - uint64_t ctl_smac:1;
> - uint64_t pre_free:1;
> - uint64_t vlan_len:1;
> - uint64_t pad_len:1;
> - uint64_t pre_align:1;
> - uint64_t null_dis:1;
> - uint64_t reserved_11_11:1;
> - uint64_t ptp_mode:1;
> - uint64_t reserved_13_63:51;
> - } s;
> - struct cvmx_gmxx_rxx_frm_ctl_cn30xx {
> - uint64_t pre_chk:1;
> - uint64_t pre_strp:1;
> - uint64_t ctl_drp:1;
> - uint64_t ctl_bck:1;
> - uint64_t ctl_mcst:1;
> - uint64_t ctl_smac:1;
> - uint64_t pre_free:1;
> - uint64_t vlan_len:1;
> - uint64_t pad_len:1;
> - uint64_t reserved_9_63:55;
> - } cn30xx;
> - struct cvmx_gmxx_rxx_frm_ctl_cn31xx {
> - uint64_t pre_chk:1;
> - uint64_t pre_strp:1;
> - uint64_t ctl_drp:1;
> - uint64_t ctl_bck:1;
> - uint64_t ctl_mcst:1;
> - uint64_t ctl_smac:1;
> - uint64_t pre_free:1;
> - uint64_t vlan_len:1;
> - uint64_t reserved_8_63:56;
> - } cn31xx;
> - struct cvmx_gmxx_rxx_frm_ctl_cn50xx {
> - uint64_t pre_chk:1;
> - uint64_t pre_strp:1;
> - uint64_t ctl_drp:1;
> - uint64_t ctl_bck:1;
> - uint64_t ctl_mcst:1;
> - uint64_t ctl_smac:1;
> - uint64_t pre_free:1;
> - uint64_t reserved_7_8:2;
> - uint64_t pre_align:1;
> - uint64_t null_dis:1;
> - uint64_t reserved_11_63:53;
> - } cn50xx;
> - struct cvmx_gmxx_rxx_frm_ctl_cn56xxp1 {
> - uint64_t pre_chk:1;
> - uint64_t pre_strp:1;
> - uint64_t ctl_drp:1;
> - uint64_t ctl_bck:1;
> - uint64_t ctl_mcst:1;
> - uint64_t ctl_smac:1;
> - uint64_t pre_free:1;
> - uint64_t reserved_7_8:2;
> - uint64_t pre_align:1;
> - uint64_t reserved_10_63:54;
> - } cn56xxp1;
> - struct cvmx_gmxx_rxx_frm_ctl_cn58xx {
> - uint64_t pre_chk:1;
> - uint64_t pre_strp:1;
> - uint64_t ctl_drp:1;
> - uint64_t ctl_bck:1;
> - uint64_t ctl_mcst:1;
> - uint64_t ctl_smac:1;
> - uint64_t pre_free:1;
> - uint64_t vlan_len:1;
> - uint64_t pad_len:1;
> - uint64_t pre_align:1;
> - uint64_t null_dis:1;
> - uint64_t reserved_11_63:53;
> - } cn58xx;
> - struct cvmx_gmxx_rxx_frm_ctl_cn61xx {
> - uint64_t pre_chk:1;
> - uint64_t pre_strp:1;
> - uint64_t ctl_drp:1;
> - uint64_t ctl_bck:1;
> - uint64_t ctl_mcst:1;
> - uint64_t ctl_smac:1;
> - uint64_t pre_free:1;
> - uint64_t reserved_7_8:2;
> - uint64_t pre_align:1;
> - uint64_t null_dis:1;
> - uint64_t reserved_11_11:1;
> - uint64_t ptp_mode:1;
> - uint64_t reserved_13_63:51;
> - } cn61xx;
> -};
> -
> -union cvmx_gmxx_rxx_int_reg {
> - uint64_t u64;
> - struct cvmx_gmxx_rxx_int_reg_s {
> - uint64_t minerr:1;
> - uint64_t carext:1;
> - uint64_t maxerr:1;
> - uint64_t jabber:1;
> - uint64_t fcserr:1;
> - uint64_t alnerr:1;
> - uint64_t lenerr:1;
> - uint64_t rcverr:1;
> - uint64_t skperr:1;
> - uint64_t niberr:1;
> - uint64_t ovrerr:1;
> - uint64_t pcterr:1;
> - uint64_t rsverr:1;
> - uint64_t falerr:1;
> - uint64_t coldet:1;
> - uint64_t ifgerr:1;
> - uint64_t phy_link:1;
> - uint64_t phy_spd:1;
> - uint64_t phy_dupx:1;
> - uint64_t pause_drp:1;
> - uint64_t loc_fault:1;
> - uint64_t rem_fault:1;
> - uint64_t bad_seq:1;
> - uint64_t bad_term:1;
> - uint64_t unsop:1;
> - uint64_t uneop:1;
> - uint64_t undat:1;
> - uint64_t hg2fld:1;
> - uint64_t hg2cc:1;
> - uint64_t reserved_29_63:35;
> - } s;
> - struct cvmx_gmxx_rxx_int_reg_cn30xx {
> - uint64_t minerr:1;
> - uint64_t carext:1;
> - uint64_t maxerr:1;
> - uint64_t jabber:1;
> - uint64_t fcserr:1;
> - uint64_t alnerr:1;
> - uint64_t lenerr:1;
> - uint64_t rcverr:1;
> - uint64_t skperr:1;
> - uint64_t niberr:1;
> - uint64_t ovrerr:1;
> - uint64_t pcterr:1;
> - uint64_t rsverr:1;
> - uint64_t falerr:1;
> - uint64_t coldet:1;
> - uint64_t ifgerr:1;
> - uint64_t phy_link:1;
> - uint64_t phy_spd:1;
> - uint64_t phy_dupx:1;
> - uint64_t reserved_19_63:45;
> - } cn30xx;
> - struct cvmx_gmxx_rxx_int_reg_cn50xx {
> - uint64_t reserved_0_0:1;
> - uint64_t carext:1;
> - uint64_t reserved_2_2:1;
> - uint64_t jabber:1;
> - uint64_t fcserr:1;
> - uint64_t alnerr:1;
> - uint64_t reserved_6_6:1;
> - uint64_t rcverr:1;
> - uint64_t skperr:1;
> - uint64_t niberr:1;
> - uint64_t ovrerr:1;
> - uint64_t pcterr:1;
> - uint64_t rsverr:1;
> - uint64_t falerr:1;
> - uint64_t coldet:1;
> - uint64_t ifgerr:1;
> - uint64_t phy_link:1;
> - uint64_t phy_spd:1;
> - uint64_t phy_dupx:1;
> - uint64_t pause_drp:1;
> - uint64_t reserved_20_63:44;
> - } cn50xx;
> - struct cvmx_gmxx_rxx_int_reg_cn52xx {
> - uint64_t reserved_0_0:1;
> - uint64_t carext:1;
> - uint64_t reserved_2_2:1;
> - uint64_t jabber:1;
> - uint64_t fcserr:1;
> - uint64_t reserved_5_6:2;
> - uint64_t rcverr:1;
> - uint64_t skperr:1;
> - uint64_t reserved_9_9:1;
> - uint64_t ovrerr:1;
> - uint64_t pcterr:1;
> - uint64_t rsverr:1;
> - uint64_t falerr:1;
> - uint64_t coldet:1;
> - uint64_t ifgerr:1;
> - uint64_t reserved_16_18:3;
> - uint64_t pause_drp:1;
> - uint64_t loc_fault:1;
> - uint64_t rem_fault:1;
> - uint64_t bad_seq:1;
> - uint64_t bad_term:1;
> - uint64_t unsop:1;
> - uint64_t uneop:1;
> - uint64_t undat:1;
> - uint64_t hg2fld:1;
> - uint64_t hg2cc:1;
> - uint64_t reserved_29_63:35;
> - } cn52xx;
> - struct cvmx_gmxx_rxx_int_reg_cn56xxp1 {
> - uint64_t reserved_0_0:1;
> - uint64_t carext:1;
> - uint64_t reserved_2_2:1;
> - uint64_t jabber:1;
> - uint64_t fcserr:1;
> - uint64_t reserved_5_6:2;
> - uint64_t rcverr:1;
> - uint64_t skperr:1;
> - uint64_t reserved_9_9:1;
> - uint64_t ovrerr:1;
> - uint64_t pcterr:1;
> - uint64_t rsverr:1;
> - uint64_t falerr:1;
> - uint64_t coldet:1;
> - uint64_t ifgerr:1;
> - uint64_t reserved_16_18:3;
> - uint64_t pause_drp:1;
> - uint64_t loc_fault:1;
> - uint64_t rem_fault:1;
> - uint64_t bad_seq:1;
> - uint64_t bad_term:1;
> - uint64_t unsop:1;
> - uint64_t uneop:1;
> - uint64_t undat:1;
> - uint64_t reserved_27_63:37;
> - } cn56xxp1;
> - struct cvmx_gmxx_rxx_int_reg_cn58xx {
> - uint64_t minerr:1;
> - uint64_t carext:1;
> - uint64_t maxerr:1;
> - uint64_t jabber:1;
> - uint64_t fcserr:1;
> - uint64_t alnerr:1;
> - uint64_t lenerr:1;
> - uint64_t rcverr:1;
> - uint64_t skperr:1;
> - uint64_t niberr:1;
> - uint64_t ovrerr:1;
> - uint64_t pcterr:1;
> - uint64_t rsverr:1;
> - uint64_t falerr:1;
> - uint64_t coldet:1;
> - uint64_t ifgerr:1;
> - uint64_t phy_link:1;
> - uint64_t phy_spd:1;
> - uint64_t phy_dupx:1;
> - uint64_t pause_drp:1;
> - uint64_t reserved_20_63:44;
> - } cn58xx;
> - struct cvmx_gmxx_rxx_int_reg_cn61xx {
> - uint64_t minerr:1;
> - uint64_t carext:1;
> - uint64_t reserved_2_2:1;
> - uint64_t jabber:1;
> - uint64_t fcserr:1;
> - uint64_t reserved_5_6:2;
> - uint64_t rcverr:1;
> - uint64_t skperr:1;
> - uint64_t reserved_9_9:1;
> - uint64_t ovrerr:1;
> - uint64_t pcterr:1;
> - uint64_t rsverr:1;
> - uint64_t falerr:1;
> - uint64_t coldet:1;
> - uint64_t ifgerr:1;
> - uint64_t reserved_16_18:3;
> - uint64_t pause_drp:1;
> - uint64_t loc_fault:1;
> - uint64_t rem_fault:1;
> - uint64_t bad_seq:1;
> - uint64_t bad_term:1;
> - uint64_t unsop:1;
> - uint64_t uneop:1;
> - uint64_t undat:1;
> - uint64_t hg2fld:1;
> - uint64_t hg2cc:1;
> - uint64_t reserved_29_63:35;
> - } cn61xx;
> -};
> -
> -union cvmx_gmxx_prtx_cfg {
> - uint64_t u64;
> - struct cvmx_gmxx_prtx_cfg_s {
> - uint64_t reserved_22_63:42;
> - uint64_t pknd:6;
> - uint64_t reserved_14_15:2;
> - uint64_t tx_idle:1;
> - uint64_t rx_idle:1;
> - uint64_t reserved_9_11:3;
> - uint64_t speed_msb:1;
> - uint64_t reserved_4_7:4;
> - uint64_t slottime:1;
> - uint64_t duplex:1;
> - uint64_t speed:1;
> - uint64_t en:1;
> - } s;
> - struct cvmx_gmxx_prtx_cfg_cn30xx {
> - uint64_t reserved_4_63:60;
> - uint64_t slottime:1;
> - uint64_t duplex:1;
> - uint64_t speed:1;
> - uint64_t en:1;
> - } cn30xx;
> - struct cvmx_gmxx_prtx_cfg_cn52xx {
> - uint64_t reserved_14_63:50;
> - uint64_t tx_idle:1;
> - uint64_t rx_idle:1;
> - uint64_t reserved_9_11:3;
> - uint64_t speed_msb:1;
> - uint64_t reserved_4_7:4;
> - uint64_t slottime:1;
> - uint64_t duplex:1;
> - uint64_t speed:1;
> - uint64_t en:1;
> - } cn52xx;
> -};
> -
> -union cvmx_gmxx_rxx_adr_ctl {
> - uint64_t u64;
> - struct cvmx_gmxx_rxx_adr_ctl_s {
> - uint64_t reserved_4_63:60;
> - uint64_t cam_mode:1;
> - uint64_t mcst:2;
> - uint64_t bcst:1;
> - } s;
> -};
> -
> -union cvmx_pip_prt_tagx {
> - uint64_t u64;
> - struct cvmx_pip_prt_tagx_s {
> - uint64_t reserved_54_63:10;
> - uint64_t portadd_en:1;
> - uint64_t inc_hwchk:1;
> - uint64_t reserved_50_51:2;
> - uint64_t grptagbase_msb:2;
> - uint64_t reserved_46_47:2;
> - uint64_t grptagmask_msb:2;
> - uint64_t reserved_42_43:2;
> - uint64_t grp_msb:2;
> - uint64_t grptagbase:4;
> - uint64_t grptagmask:4;
> - uint64_t grptag:1;
> - uint64_t grptag_mskip:1;
> - uint64_t tag_mode:2;
> - uint64_t inc_vs:2;
> - uint64_t inc_vlan:1;
> - uint64_t inc_prt_flag:1;
> - uint64_t ip6_dprt_flag:1;
> - uint64_t ip4_dprt_flag:1;
> - uint64_t ip6_sprt_flag:1;
> - uint64_t ip4_sprt_flag:1;
> - uint64_t ip6_nxth_flag:1;
> - uint64_t ip4_pctl_flag:1;
> - uint64_t ip6_dst_flag:1;
> - uint64_t ip4_dst_flag:1;
> - uint64_t ip6_src_flag:1;
> - uint64_t ip4_src_flag:1;
> - uint64_t tcp6_tag_type:2;
> - uint64_t tcp4_tag_type:2;
> - uint64_t ip6_tag_type:2;
> - uint64_t ip4_tag_type:2;
> - uint64_t non_tag_type:2;
> - uint64_t grp:4;
> - } s;
> - struct cvmx_pip_prt_tagx_cn30xx {
> - uint64_t reserved_40_63:24;
> - uint64_t grptagbase:4;
> - uint64_t grptagmask:4;
> - uint64_t grptag:1;
> - uint64_t reserved_30_30:1;
> - uint64_t tag_mode:2;
> - uint64_t inc_vs:2;
> - uint64_t inc_vlan:1;
> - uint64_t inc_prt_flag:1;
> - uint64_t ip6_dprt_flag:1;
> - uint64_t ip4_dprt_flag:1;
> - uint64_t ip6_sprt_flag:1;
> - uint64_t ip4_sprt_flag:1;
> - uint64_t ip6_nxth_flag:1;
> - uint64_t ip4_pctl_flag:1;
> - uint64_t ip6_dst_flag:1;
> - uint64_t ip4_dst_flag:1;
> - uint64_t ip6_src_flag:1;
> - uint64_t ip4_src_flag:1;
> - uint64_t tcp6_tag_type:2;
> - uint64_t tcp4_tag_type:2;
> - uint64_t ip6_tag_type:2;
> - uint64_t ip4_tag_type:2;
> - uint64_t non_tag_type:2;
> - uint64_t grp:4;
> - } cn30xx;
> - struct cvmx_pip_prt_tagx_cn50xx {
> - uint64_t reserved_40_63:24;
> - uint64_t grptagbase:4;
> - uint64_t grptagmask:4;
> - uint64_t grptag:1;
> - uint64_t grptag_mskip:1;
> - uint64_t tag_mode:2;
> - uint64_t inc_vs:2;
> - uint64_t inc_vlan:1;
> - uint64_t inc_prt_flag:1;
> - uint64_t ip6_dprt_flag:1;
> - uint64_t ip4_dprt_flag:1;
> - uint64_t ip6_sprt_flag:1;
> - uint64_t ip4_sprt_flag:1;
> - uint64_t ip6_nxth_flag:1;
> - uint64_t ip4_pctl_flag:1;
> - uint64_t ip6_dst_flag:1;
> - uint64_t ip4_dst_flag:1;
> - uint64_t ip6_src_flag:1;
> - uint64_t ip4_src_flag:1;
> - uint64_t tcp6_tag_type:2;
> - uint64_t tcp4_tag_type:2;
> - uint64_t ip6_tag_type:2;
> - uint64_t ip4_tag_type:2;
> - uint64_t non_tag_type:2;
> - uint64_t grp:4;
> - } cn50xx;
> -};
> -
> -union cvmx_spxx_int_reg {
> - uint64_t u64;
> - struct cvmx_spxx_int_reg_s {
> - uint64_t reserved_32_63:32;
> - uint64_t spf:1;
> - uint64_t reserved_12_30:19;
> - uint64_t calerr:1;
> - uint64_t syncerr:1;
> - uint64_t diperr:1;
> - uint64_t tpaovr:1;
> - uint64_t rsverr:1;
> - uint64_t drwnng:1;
> - uint64_t clserr:1;
> - uint64_t spiovr:1;
> - uint64_t reserved_2_3:2;
> - uint64_t abnorm:1;
> - uint64_t prtnxa:1;
> - } s;
> -};
> -
> -union cvmx_spxx_int_msk {
> - uint64_t u64;
> - struct cvmx_spxx_int_msk_s {
> - uint64_t reserved_12_63:52;
> - uint64_t calerr:1;
> - uint64_t syncerr:1;
> - uint64_t diperr:1;
> - uint64_t tpaovr:1;
> - uint64_t rsverr:1;
> - uint64_t drwnng:1;
> - uint64_t clserr:1;
> - uint64_t spiovr:1;
> - uint64_t reserved_2_3:2;
> - uint64_t abnorm:1;
> - uint64_t prtnxa:1;
> - } s;
> -};
> -
> -union cvmx_pow_wq_int {
> - uint64_t u64;
> - struct cvmx_pow_wq_int_s {
> - uint64_t wq_int:16;
> - uint64_t iq_dis:16;
> - uint64_t reserved_32_63:32;
> - } s;
> -};
> -
> -union cvmx_sso_wq_int_thrx {
> - uint64_t u64;
> - struct {
> - uint64_t iq_thr:12;
> - uint64_t reserved_12_13:2;
> - uint64_t ds_thr:12;
> - uint64_t reserved_26_27:2;
> - uint64_t tc_thr:4;
> - uint64_t tc_en:1;
> - uint64_t reserved_33_63:31;
> - } s;
> -};
> -
> -union cvmx_stxx_int_reg {
> - uint64_t u64;
> - struct cvmx_stxx_int_reg_s {
> - uint64_t reserved_9_63:55;
> - uint64_t syncerr:1;
> - uint64_t frmerr:1;
> - uint64_t unxfrm:1;
> - uint64_t nosync:1;
> - uint64_t diperr:1;
> - uint64_t datovr:1;
> - uint64_t ovrbst:1;
> - uint64_t calpar1:1;
> - uint64_t calpar0:1;
> - } s;
> -};
> -
> -union cvmx_stxx_int_msk {
> - uint64_t u64;
> - struct cvmx_stxx_int_msk_s {
> - uint64_t reserved_8_63:56;
> - uint64_t frmerr:1;
> - uint64_t unxfrm:1;
> - uint64_t nosync:1;
> - uint64_t diperr:1;
> - uint64_t datovr:1;
> - uint64_t ovrbst:1;
> - uint64_t calpar1:1;
> - uint64_t calpar0:1;
> - } s;
> -};
> -
> -union cvmx_pow_wq_int_pc {
> - uint64_t u64;
> - struct cvmx_pow_wq_int_pc_s {
> - uint64_t reserved_0_7:8;
> - uint64_t pc_thr:20;
> - uint64_t reserved_28_31:4;
> - uint64_t pc:28;
> - uint64_t reserved_60_63:4;
> - } s;
> -};
> -
> -union cvmx_pow_wq_int_thrx {
> - uint64_t u64;
> - struct cvmx_pow_wq_int_thrx_s {
> - uint64_t reserved_29_63:35;
> - uint64_t tc_en:1;
> - uint64_t tc_thr:4;
> - uint64_t reserved_23_23:1;
> - uint64_t ds_thr:11;
> - uint64_t reserved_11_11:1;
> - uint64_t iq_thr:11;
> - } s;
> - struct cvmx_pow_wq_int_thrx_cn30xx {
> - uint64_t reserved_29_63:35;
> - uint64_t tc_en:1;
> - uint64_t tc_thr:4;
> - uint64_t reserved_18_23:6;
> - uint64_t ds_thr:6;
> - uint64_t reserved_6_11:6;
> - uint64_t iq_thr:6;
> - } cn30xx;
> - struct cvmx_pow_wq_int_thrx_cn31xx {
> - uint64_t reserved_29_63:35;
> - uint64_t tc_en:1;
> - uint64_t tc_thr:4;
> - uint64_t reserved_20_23:4;
> - uint64_t ds_thr:8;
> - uint64_t reserved_8_11:4;
> - uint64_t iq_thr:8;
> - } cn31xx;
> - struct cvmx_pow_wq_int_thrx_cn52xx {
> - uint64_t reserved_29_63:35;
> - uint64_t tc_en:1;
> - uint64_t tc_thr:4;
> - uint64_t reserved_21_23:3;
> - uint64_t ds_thr:9;
> - uint64_t reserved_9_11:3;
> - uint64_t iq_thr:9;
> - } cn52xx;
> - struct cvmx_pow_wq_int_thrx_cn63xx {
> - uint64_t reserved_29_63:35;
> - uint64_t tc_en:1;
> - uint64_t tc_thr:4;
> - uint64_t reserved_22_23:2;
> - uint64_t ds_thr:10;
> - uint64_t reserved_10_11:2;
> - uint64_t iq_thr:10;
> - } cn63xx;
> -};
> -
> -union cvmx_npi_rsl_int_blocks {
> - uint64_t u64;
> - struct cvmx_npi_rsl_int_blocks_s {
> - uint64_t reserved_32_63:32;
> - uint64_t rint_31:1;
> - uint64_t iob:1;
> - uint64_t reserved_28_29:2;
> - uint64_t rint_27:1;
> - uint64_t rint_26:1;
> - uint64_t rint_25:1;
> - uint64_t rint_24:1;
> - uint64_t asx1:1;
> - uint64_t asx0:1;
> - uint64_t rint_21:1;
> - uint64_t pip:1;
> - uint64_t spx1:1;
> - uint64_t spx0:1;
> - uint64_t lmc:1;
> - uint64_t l2c:1;
> - uint64_t rint_15:1;
> - uint64_t reserved_13_14:2;
> - uint64_t pow:1;
> - uint64_t tim:1;
> - uint64_t pko:1;
> - uint64_t ipd:1;
> - uint64_t rint_8:1;
> - uint64_t zip:1;
> - uint64_t dfa:1;
> - uint64_t fpa:1;
> - uint64_t key:1;
> - uint64_t npi:1;
> - uint64_t gmx1:1;
> - uint64_t gmx0:1;
> - uint64_t mio:1;
> - } s;
> - struct cvmx_npi_rsl_int_blocks_cn30xx {
> - uint64_t reserved_32_63:32;
> - uint64_t rint_31:1;
> - uint64_t iob:1;
> - uint64_t rint_29:1;
> - uint64_t rint_28:1;
> - uint64_t rint_27:1;
> - uint64_t rint_26:1;
> - uint64_t rint_25:1;
> - uint64_t rint_24:1;
> - uint64_t asx1:1;
> - uint64_t asx0:1;
> - uint64_t rint_21:1;
> - uint64_t pip:1;
> - uint64_t spx1:1;
> - uint64_t spx0:1;
> - uint64_t lmc:1;
> - uint64_t l2c:1;
> - uint64_t rint_15:1;
> - uint64_t rint_14:1;
> - uint64_t usb:1;
> - uint64_t pow:1;
> - uint64_t tim:1;
> - uint64_t pko:1;
> - uint64_t ipd:1;
> - uint64_t rint_8:1;
> - uint64_t zip:1;
> - uint64_t dfa:1;
> - uint64_t fpa:1;
> - uint64_t key:1;
> - uint64_t npi:1;
> - uint64_t gmx1:1;
> - uint64_t gmx0:1;
> - uint64_t mio:1;
> - } cn30xx;
> - struct cvmx_npi_rsl_int_blocks_cn38xx {
> - uint64_t reserved_32_63:32;
> - uint64_t rint_31:1;
> - uint64_t iob:1;
> - uint64_t rint_29:1;
> - uint64_t rint_28:1;
> - uint64_t rint_27:1;
> - uint64_t rint_26:1;
> - uint64_t rint_25:1;
> - uint64_t rint_24:1;
> - uint64_t asx1:1;
> - uint64_t asx0:1;
> - uint64_t rint_21:1;
> - uint64_t pip:1;
> - uint64_t spx1:1;
> - uint64_t spx0:1;
> - uint64_t lmc:1;
> - uint64_t l2c:1;
> - uint64_t rint_15:1;
> - uint64_t rint_14:1;
> - uint64_t rint_13:1;
> - uint64_t pow:1;
> - uint64_t tim:1;
> - uint64_t pko:1;
> - uint64_t ipd:1;
> - uint64_t rint_8:1;
> - uint64_t zip:1;
> - uint64_t dfa:1;
> - uint64_t fpa:1;
> - uint64_t key:1;
> - uint64_t npi:1;
> - uint64_t gmx1:1;
> - uint64_t gmx0:1;
> - uint64_t mio:1;
> - } cn38xx;
> - struct cvmx_npi_rsl_int_blocks_cn50xx {
> - uint64_t reserved_31_63:33;
> - uint64_t iob:1;
> - uint64_t lmc1:1;
> - uint64_t agl:1;
> - uint64_t reserved_24_27:4;
> - uint64_t asx1:1;
> - uint64_t asx0:1;
> - uint64_t reserved_21_21:1;
> - uint64_t pip:1;
> - uint64_t spx1:1;
> - uint64_t spx0:1;
> - uint64_t lmc:1;
> - uint64_t l2c:1;
> - uint64_t reserved_15_15:1;
> - uint64_t rad:1;
> - uint64_t usb:1;
> - uint64_t pow:1;
> - uint64_t tim:1;
> - uint64_t pko:1;
> - uint64_t ipd:1;
> - uint64_t reserved_8_8:1;
> - uint64_t zip:1;
> - uint64_t dfa:1;
> - uint64_t fpa:1;
> - uint64_t key:1;
> - uint64_t npi:1;
> - uint64_t gmx1:1;
> - uint64_t gmx0:1;
> - uint64_t mio:1;
> - } cn50xx;
> -};
> -
> -union cvmx_pko_command_word0 {
> - uint64_t u64;
> - struct {
> - uint64_t total_bytes:16;
> - uint64_t segs:6;
> - uint64_t dontfree:1;
> - uint64_t ignore_i:1;
> - uint64_t ipoffp1:7;
> - uint64_t gather:1;
> - uint64_t rsp:1;
> - uint64_t wqp:1;
> - uint64_t n2:1;
> - uint64_t le:1;
> - uint64_t reg0:11;
> - uint64_t subone0:1;
> - uint64_t reg1:11;
> - uint64_t subone1:1;
> - uint64_t size0:2;
> - uint64_t size1:2;
> - } s;
> -};
> -
> -union cvmx_ciu_timx {
> - uint64_t u64;
> - struct cvmx_ciu_timx_s {
> - uint64_t reserved_37_63:27;
> - uint64_t one_shot:1;
> - uint64_t len:36;
> - } s;
> -};
> -
> -union cvmx_gmxx_rxx_rx_inbnd {
> - uint64_t u64;
> - struct cvmx_gmxx_rxx_rx_inbnd_s {
> - uint64_t status:1;
> - uint64_t speed:2;
> - uint64_t duplex:1;
> - uint64_t reserved_4_63:60;
> - } s;
> -};
> -
> -static inline int32_t cvmx_fau_fetch_and_add32(enum cvmx_fau_reg_32 reg,
> - int32_t value)
> -{
> - return value;
> -}
> -
> -static inline void cvmx_fau_atomic_add32(enum cvmx_fau_reg_32 reg,
> - int32_t value)
> -{ }
> -
> -static inline void cvmx_fau_atomic_write32(enum cvmx_fau_reg_32 reg,
> - int32_t value)
> -{ }
> -
> -static inline uint64_t cvmx_scratch_read64(uint64_t address)
> -{
> - return 0;
> -}
> -
> -static inline void cvmx_scratch_write64(uint64_t address, uint64_t value)
> -{ }
> -
> -static inline int cvmx_wqe_get_grp(struct cvmx_wqe *work)
> -{
> - return 0;
> -}
> -
> -static inline void *cvmx_phys_to_ptr(uint64_t physical_address)
> -{
> - return (void *)(uintptr_t)(physical_address);
> -}
> -
> -static inline uint64_t cvmx_ptr_to_phys(void *ptr)
> -{
> - return (unsigned long)ptr;
> -}
> -
> -static inline int cvmx_helper_get_interface_num(int ipd_port)
> -{
> - return ipd_port;
> -}
> -
> -static inline int cvmx_helper_get_interface_index_num(int ipd_port)
> -{
> - return ipd_port;
> -}
> -
> -static inline void cvmx_fpa_enable(void)
> -{ }
> -
> -static inline uint64_t cvmx_read_csr(uint64_t csr_addr)
> -{
> - return 0;
> -}
> -
> -static inline void cvmx_write_csr(uint64_t csr_addr, uint64_t val)
> -{ }
> -
> -static inline int cvmx_helper_setup_red(int pass_thresh, int drop_thresh)
> -{
> - return 0;
> -}
> -
> -static inline void *cvmx_fpa_alloc(uint64_t pool)
> -{
> - return NULL;
> -}
> -
> -static inline void cvmx_fpa_free(void *ptr, uint64_t pool,
> - uint64_t num_cache_lines)
> -{ }
> -
> -static inline int octeon_is_simulation(void)
> -{
> - return 1;
> -}
> -
> -static inline void cvmx_pip_get_port_status(uint64_t port_num, uint64_t clear,
> - cvmx_pip_port_status_t *status)
> -{ }
> -
> -static inline void cvmx_pko_get_port_status(uint64_t port_num, uint64_t clear,
> - cvmx_pko_port_status_t *status)
> -{ }
> -
> -static inline cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int
> - interface)
> -{
> - return 0;
> -}
> -
> -static inline union cvmx_helper_link_info cvmx_helper_link_get(int ipd_port)
> -{
> - union cvmx_helper_link_info ret = { .u64 = 0 };
> -
> - return ret;
> -}
> -
> -static inline int cvmx_helper_link_set(int ipd_port,
> - union cvmx_helper_link_info link_info)
> -{
> - return 0;
> -}
> -
> -static inline int cvmx_helper_initialize_packet_io_global(void)
> -{
> - return 0;
> -}
> -
> -static inline int cvmx_helper_get_number_of_interfaces(void)
> -{
> - return 2;
> -}
> -
> -static inline int cvmx_helper_ports_on_interface(int interface)
> -{
> - return 1;
> -}
> -
> -static inline int cvmx_helper_get_ipd_port(int interface, int port)
> -{
> - return 0;
> -}
> -
> -static inline int cvmx_helper_ipd_and_packet_input_enable(void)
> -{
> - return 0;
> -}
> -
> -static inline void cvmx_ipd_disable(void)
> -{ }
> -
> -static inline void cvmx_ipd_free_ptr(void)
> -{ }
> -
> -static inline void cvmx_pko_disable(void)
> -{ }
> -
> -static inline void cvmx_pko_shutdown(void)
> -{ }
> -
> -static inline int cvmx_pko_get_base_queue_per_core(int port, int core)
> -{
> - return port;
> -}
> -
> -static inline int cvmx_pko_get_base_queue(int port)
> -{
> - return port;
> -}
> -
> -static inline int cvmx_pko_get_num_queues(int port)
> -{
> - return port;
> -}
> -
> -static inline unsigned int cvmx_get_core_num(void)
> -{
> - return 0;
> -}
> -
> -static inline void cvmx_pow_work_request_async_nocheck(int scr_addr,
> - cvmx_pow_wait_t wait)
> -{ }
> -
> -static inline void cvmx_pow_work_request_async(int scr_addr,
> - cvmx_pow_wait_t wait)
> -{ }
> -
> -static inline struct cvmx_wqe *cvmx_pow_work_response_async(int scr_addr)
> -{
> - struct cvmx_wqe *wqe = (void *)(unsigned long)scr_addr;
> -
> - return wqe;
> -}
> -
> -static inline struct cvmx_wqe *cvmx_pow_work_request_sync(cvmx_pow_wait_t wait)
> -{
> - return (void *)(unsigned long)wait;
> -}
> -
> -static inline int cvmx_spi_restart_interface(int interface,
> - cvmx_spi_mode_t mode, int timeout)
> -{
> - return 0;
> -}
> -
> -static inline void cvmx_fau_async_fetch_and_add32(uint64_t scraddr,
> - enum cvmx_fau_reg_32 reg,
> - int32_t value)
> -{ }
> -
> -static inline union cvmx_gmxx_rxx_rx_inbnd cvmx_spi4000_check_speed(
> - int interface,
> - int port)
> -{
> - union cvmx_gmxx_rxx_rx_inbnd r;
> -
> - r.u64 = 0;
> - return r;
> -}
> -
> -static inline void cvmx_pko_send_packet_prepare(uint64_t port, uint64_t queue,
> - cvmx_pko_lock_t use_locking)
> -{ }
> -
> -static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(uint64_t port,
> - uint64_t queue, union cvmx_pko_command_word0 pko_command,
> - union cvmx_buf_ptr packet, cvmx_pko_lock_t use_locking)
> -{
> - return 0;
> -}
> -
> -static inline void cvmx_wqe_set_port(struct cvmx_wqe *work, int port)
> -{ }
> -
> -static inline void cvmx_wqe_set_qos(struct cvmx_wqe *work, int qos)
> -{ }
> -
> -static inline int cvmx_wqe_get_qos(struct cvmx_wqe *work)
> -{
> - return 0;
> -}
> -
> -static inline void cvmx_wqe_set_grp(struct cvmx_wqe *work, int grp)
> -{ }
> -
> -static inline void cvmx_pow_work_submit(struct cvmx_wqe *wqp, uint32_t tag,
> - enum cvmx_pow_tag_type tag_type,
> - uint64_t qos, uint64_t grp)
> -{ }
> -
> -#define CVMX_ASXX_RX_CLK_SETX(a, b) ((a)+(b))
> -#define CVMX_ASXX_TX_CLK_SETX(a, b) ((a)+(b))
> -#define CVMX_CIU_TIMX(a) (a)
> -#define CVMX_GMXX_RXX_ADR_CAM0(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_ADR_CAM1(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_ADR_CAM2(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_ADR_CAM3(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_ADR_CAM4(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_ADR_CAM5(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_FRM_CTL(a, b) ((a)+(b))
> -#define CVMX_GMXX_RXX_INT_REG(a, b) ((a)+(b))
> -#define CVMX_GMXX_SMACX(a, b) ((a)+(b))
> -#define CVMX_PIP_PRT_TAGX(a) (a)
> -#define CVMX_POW_PP_GRP_MSKX(a) (a)
> -#define CVMX_POW_WQ_INT_THRX(a) (a)
> -#define CVMX_SPXX_INT_MSK(a) (a)
> -#define CVMX_SPXX_INT_REG(a) (a)
> -#define CVMX_SSO_PPX_GRP_MSK(a) (a)
> -#define CVMX_SSO_WQ_INT_THRX(a) (a)
> -#define CVMX_STXX_INT_MSK(a) (a)
> -#define CVMX_STXX_INT_REG(a) (a)
> --
> 2.24.0
>
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