modules/drivers/common/3c90x/main.cc

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#include "pedigree/kernel/machine/Device.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/List.h"
#include "pedigree/kernel/utilities/new"
#include "pedigree/kernel/utilities/utility.h"
 
#include "3Com90x.h"
#include "modules/Module.h"
#include "modules/system/network-stack/NetworkStack.h"
 
class Network;
 
struct nic {
  uint16_t vendor, device;
  const char* type;
  const char* desc;
};
 
static struct nic potential_nics[] = {
    /* Original 90x revisions: */
    {0x10b7, 0x9000, "3c905-tpo", "3Com900-TPO"},   /* 10 Base TPO */
    {0x10b7, 0x9001, "3c905-t4", "3Com900-Combo"},  /* 10/100 T4 */
    {0x10b7, 0x9050, "3c905-tpo100", "3Com905-TX"}, /* 100 Base TX / 10/100 TPO */
    {0x10b7, 0x9051, "3c905-combo", "3Com905-T4"},  /* 100 Base T4 / 10 Base Combo */
    /* Newer 90xB revisions: */
    {0x10b7, 0x9004, "3c905b-tpo", "3Com900B-TPO"},     /* 10 Base TPO */
    {0x10b7, 0x9005, "3c905b-combo", "3Com900B-Combo"}, /* 10 Base Combo */
    {0x10b7, 0x9006, "3c905b-tpb2", "3Com900B-2/T"},    /* 10 Base TP and Base2 */
    {0x10b7, 0x900a, "3c905b-fl", "3Com900B-FL"},       /* 10 Base FL */
    {0x10b7, 0x9055, "3c905b-tpo100", "3Com905B-TX"},   /* 10/100 TPO */
    {0x10b7, 0x9056, "3c905b-t4", "3Com905B-T4"},       /* 10/100 T4 */
    {0x10b7, 0x9058, "3c905b-9058", "3Com905B-9058"},   /* Cyclone 10/100/BNC */
    {0x10b7, 0x905a, "3c905b-fx", "3Com905B-FL"},       /* 100 Base FX / 10 Base FX */
    /* Newer 90xC revision: */
    {0x10b7, 0x9200, "3c905c-tpo", "3Com905C-TXM"},   /* 10/100 TPO {3C905C-TXM} */
    {0x10b7, 0x9800, "3c980", "3Com980-Cyclone"},     /* Cyclone */
    {0x10b7, 0x9805, "3c9805", "3Com9805"},           /* Dual Port Server Cyclone */
    {0x10b7, 0x7646, "3csoho100-tx", "3CSOHO100-TX"}, /* Hurricane */
    {0x10b7, 0x4500, "3c450", "3Com450 HomePNA Tornado"},
};
 
#define NUM_POTENTIAL_NICS (sizeof(potential_nics) / sizeof(potential_nics[0]))
 
static bool bFound = false;
static List<Nic3C90x*> g_Cards;
 
static void probeDevice(Device* pDev) {
  bFound = true;
 
  // Create a new node
  Nic3C90x* pCard = new Nic3C90x(reinterpret_cast<Network*>(pDev));
  if (!pCard->isInitialised()) {
    delete pCard;
    return;
  }
 
  // Replace pDev with pCard
  pCard->setParent(pDev->getParent());
  pDev->getParent()->replaceChild(pDev, pCard);
  g_Cards.pushBack(pCard);
}
 
static bool entry() {
  for (unsigned int i = 0; i < NUM_POTENTIAL_NICS; i++)
    Device::searchByVendorIdAndDeviceId(potential_nics[i].vendor, potential_nics[i].device,
                                        probeDevice);
 
  return bFound;
}
 
static void exit() {
  auto removeCard = [](Device* device, Device* target) {
    return device == target ? nullptr : device;
  };
  auto callback = pedigree_std::make_callable(removeCard);
  while (g_Cards.count()) {
    Nic3C90x* card = g_Cards.popFront();
    NetworkStack::instance().deRegisterDevice(card);
    Device::foreach (callback, 0, card);
  }
  bFound = false;
}
 
MODULE_INFO("3c90x", &entry, &exit, "network-stack");