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Diffstat (limited to 'drivers/staging/octeon/ethernet-common.c')
-rw-r--r--drivers/staging/octeon/ethernet-common.c328
1 files changed, 0 insertions, 328 deletions
diff --git a/drivers/staging/octeon/ethernet-common.c b/drivers/staging/octeon/ethernet-common.c
deleted file mode 100644
index 3e6f5b8cc63d..000000000000
--- a/drivers/staging/octeon/ethernet-common.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/**********************************************************************
- * Author: Cavium Networks
- *
- * Contact: support@caviumnetworks.com
- * This file is part of the OCTEON SDK
- *
- * Copyright (c) 2003-2007 Cavium Networks
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, Version 2, as
- * published by the Free Software Foundation.
- *
- * This file is distributed in the hope that it will be useful, but
- * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
- * NONINFRINGEMENT. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this file; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- * or visit http://www.gnu.org/licenses/.
- *
- * This file may also be available under a different license from Cavium.
- * Contact Cavium Networks for more information
-**********************************************************************/
-#include <linux/kernel.h>
-#include <linux/mii.h>
-#include <net/dst.h>
-
-#include <asm/atomic.h>
-#include <asm/octeon/octeon.h>
-
-#include "ethernet-defines.h"
-#include "ethernet-tx.h"
-#include "ethernet-mdio.h"
-#include "ethernet-util.h"
-#include "octeon-ethernet.h"
-#include "ethernet-common.h"
-
-#include "cvmx-pip.h"
-#include "cvmx-pko.h"
-#include "cvmx-fau.h"
-#include "cvmx-helper.h"
-
-#include "cvmx-gmxx-defs.h"
-
-/**
- * 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);
- }
-
- priv->stats.rx_packets += rx_status.inb_packets;
- priv->stats.tx_packets += tx_status.packets;
- priv->stats.rx_bytes += rx_status.inb_octets;
- priv->stats.tx_bytes += tx_status.octets;
- priv->stats.multicast += rx_status.multicast_packets;
- priv->stats.rx_crc_errors += rx_status.inb_errors;
- priv->stats.rx_frame_errors += rx_status.fcs_align_err_packets;
-
- /*
- * The drop counter must be incremented atomically
- * since the RX tasklet also increments it.
- */
-#ifdef CONFIG_64BIT
- atomic64_add(rx_status.dropped_packets,
- (atomic64_t *)&priv->stats.rx_dropped);
-#else
- atomic_add(rx_status.dropped_packets,
- (atomic_t *)&priv->stats.rx_dropped);
-#endif
- }
-
- return &priv->stats;
-}
-
-/**
- * Set the multicast list. Currently unimplemented.
- *
- * @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);
- int index = INDEX(priv->port);
-
- if ((interface < 2)
- && (cvmx_helper_interface_get_mode(interface) !=
- CVMX_HELPER_INTERFACE_MODE_SPI)) {
- union cvmx_gmxx_rxx_adr_ctl control;
- control.u64 = 0;
- control.s.bcst = 1; /* Allow broadcast MAC addresses */
-
- if (dev->mc_list || (dev->flags & IFF_ALLMULTI) ||
- (dev->flags & IFF_PROMISC))
- /* Force accept multicast packets */
- control.s.mcst = 2;
- else
- /* Force reject multicat 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);
- }
-}
-
-/**
- * Set the hardware MAC address for a device
- *
- * @dev: Device to change the MAC address for
- * @addr: Address structure to change it too. MAC address is addr + 2.
- * Returns Zero on success
- */
-static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr)
-{
- struct octeon_ethernet *priv = netdev_priv(dev);
- union cvmx_gmxx_prtx_cfg gmx_cfg;
- int interface = INTERFACE(priv->port);
- int index = INDEX(priv->port);
-
- memcpy(dev->dev_addr, addr + 2, 6);
-
- if ((interface < 2)
- && (cvmx_helper_interface_get_mode(interface) !=
- CVMX_HELPER_INTERFACE_MODE_SPI)) {
- int i;
- uint8_t *ptr = addr;
- uint64_t mac = 0;
- for (i = 0; i < 6; i++)
- mac = (mac << 8) | (uint64_t) (ptr[i + 2]);
-
- 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[2]);
- cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM1(index, interface),
- ptr[3]);
- cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM2(index, interface),
- ptr[4]);
- cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM3(index, interface),
- ptr[5]);
- cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM4(index, interface),
- ptr[6]);
- cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM5(index, interface),
- ptr[7]);
- cvm_oct_common_set_multicast_list(dev);
- cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface),
- gmx_cfg.u64);
- }
- return 0;
-}
-
-/**
- * Change the link MTU. Unimplemented
- *
- * @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);
- int index = INDEX(priv->port);
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
- int vlan_bytes = 4;
-#else
- int vlan_bytes = 0;
-#endif
-
- /*
- * Limit the MTU to make sure the ethernet packets are between
- * 64 bytes and 65535 bytes.
- */
- if ((new_mtu + 14 + 4 + vlan_bytes < 64)
- || (new_mtu + 14 + 4 + vlan_bytes > 65392)) {
- pr_err("MTU must be between %d and %d.\n",
- 64 - 14 - 4 - vlan_bytes, 65392 - 14 - 4 - vlan_bytes);
- return -EINVAL;
- }
- dev->mtu = new_mtu;
-
- if ((interface < 2)
- && (cvmx_helper_interface_get_mode(interface) !=
- CVMX_HELPER_INTERFACE_MODE_SPI)) {
- /* Add ethernet header and FCS, and VLAN if configured. */
- int max_packet = new_mtu + 14 + 4 + vlan_bytes;
-
- 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 = 64;
- 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;
-}
-
-/**
- * Per network device initialization
- *
- * @dev: Device to initialize
- * Returns Zero on success
- */
-int cvm_oct_common_init(struct net_device *dev)
-{
- static int count;
- char mac[8] = { 0x00, 0x00,
- octeon_bootinfo->mac_addr_base[0],
- octeon_bootinfo->mac_addr_base[1],
- octeon_bootinfo->mac_addr_base[2],
- octeon_bootinfo->mac_addr_base[3],
- octeon_bootinfo->mac_addr_base[4],
- octeon_bootinfo->mac_addr_base[5] + count
- };
- struct octeon_ethernet *priv = netdev_priv(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->hard_start_xmit = cvm_oct_xmit;
- if (USE_HW_TCPUDP_CHECKSUM)
- dev->features |= NETIF_F_IP_CSUM;
- } else
- dev->hard_start_xmit = cvm_oct_xmit_pow;
- count++;
-
- dev->get_stats = cvm_oct_common_get_stats;
- dev->set_mac_address = cvm_oct_common_set_mac_address;
- dev->set_multicast_list = cvm_oct_common_set_multicast_list;
- dev->change_mtu = cvm_oct_common_change_mtu;
- dev->do_ioctl = cvm_oct_ioctl;
- /* We do our own locking, Linux doesn't need to */
- dev->features |= NETIF_F_LLTX;
- SET_ETHTOOL_OPS(dev, &cvm_oct_ethtool_ops);
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = cvm_oct_poll_controller;
-#endif
-
- cvm_oct_mdio_setup_device(dev);
- dev->set_mac_address(dev, mac);
- dev->change_mtu(dev, dev->mtu);
-
- /*
- * Zero out stats for port so we won't mistakenly show
- * counters from the bootloader.
- */
- memset(dev->get_stats(dev), 0, sizeof(struct net_device_stats));
-
- return 0;
-}
-
-void cvm_oct_common_uninit(struct net_device *dev)
-{
- /* Currently nothing to do */
-}