Network Core

/linux/drivers/block/genhd.c

int __init device_init(void)
{
rwlock_init(&gendisk_lock);
blk_dev_init();
sti();
#ifdef CONFIG_I2O
i2o_init();
#endif
#ifdef CONFIG_FUSION_BOOT
fusion_init();
#endif
#ifdef CONFIG_FC4_SOC
/* This has to be done before scsi_dev_init */
soc_probe();
#endif
#ifdef CONFIG_BLK_CPQ_DA
cpqarray_init();
#endif
#ifdef CONFIG_NET
net_dev_init();
#endif
#ifdef CONFIG_ATM
(void) atmdev_init();
#endif
#ifdef CONFIG_VT
console_map_init();
#endif
return 0;
}

/linux/net/core/dev.c

int __init net_dev_init(void)
{
struct net_device *dev, **dp;
int i;

if (!dev_boot_phase)
return 0;

#ifdef CONFIG_NET_DIVERT
dv_init();
#endif /* CONFIG_NET_DIVERT */

/*
* Initialise the packet receive queues.
*/

for (i = 0; i < NR_CPUS; i++) {
struct softnet_data *queue;

queue = &softnet_data[i];
skb_queue_head_init(&queue->input_pkt_queue);
queue->throttle = 0;
queue->cng_level = 0;
queue->avg_blog = 10; /* arbitrary non-zero */
queue->completion_queue = NULL;
}

#ifdef CONFIG_NET_PROFILE
net_profile_init();
NET_PROFILE_REGISTER(dev_queue_xmit);
NET_PROFILE_REGISTER(softnet_process);
#endif

#ifdef OFFLINE_SAMPLE
samp_timer.expires = jiffies + (10 * HZ);
add_timer(&samp_timer);
#endif

/*
* Add the devices.
* If the call to dev->init fails, the dev is removed
* from the chain disconnecting the device until the
* next reboot.
*
* NB At boot phase networking is dead. No locking is required.
* But we still preserve dev_base_lock for sanity.
*/

dp = &dev_base;
while ((dev = *dp) != NULL) {
spin_lock_init(&dev->queue_lock);
spin_lock_init(&dev->xmit_lock);
#ifdef CONFIG_NET_FASTROUTE
dev->fastpath_lock = RW_LOCK_UNLOCKED;
#endif
dev->xmit_lock_owner = -1;
dev->iflink = -1;
dev_hold(dev);

/*
* Allocate name. If the init() fails
* the name will be reissued correctly.
*/
if (strchr(dev->name, '%'))
dev_alloc_name(dev, dev->name);

/*
* Check boot time settings for the device.
*/
netdev_boot_setup_check(dev);

if (dev->init && dev->init(dev)) {
/*
* It failed to come up. It will be unhooked later.
* dev_alloc_name can now advance to next suitable
* name that is checked next.
*/
dev->deadbeaf = 1;
dp = &dev->next;
} else {
dp = &dev->next;
dev->ifindex = dev_new_index();
if (dev->iflink == -1)
dev->iflink = dev->ifindex;
if (dev->rebuild_header == NULL)
dev->rebuild_header = default_rebuild_header;
dev_init_scheduler(dev);
set_bit(__LINK_STATE_PRESENT, &dev->state);
}
}

/*
* Unhook devices that failed to come up
*/
dp = &dev_base;
while ((dev = *dp) != NULL) {
if (dev->deadbeaf) {
write_lock_bh(&dev_base_lock);
*dp = dev->next;
write_unlock_bh(&dev_base_lock);
dev_put(dev);
} else {
dp = &dev->next;
}
}

#ifdef CONFIG_PROC_FS
proc_net_create("dev", 0, dev_get_info);
create_proc_read_entry("net/softnet_stat", 0, 0, dev_proc_stats, NULL);
#ifdef WIRELESS_EXT
proc_net_create("wireless", 0, dev_get_wireless_info);
#endif /* WIRELESS_EXT */
#endif /* CONFIG_PROC_FS */

dev_boot_phase = 0;

open_softirq(NET_TX_SOFTIRQ, net_tx_action, NULL);
open_softirq(NET_RX_SOFTIRQ, net_rx_action, NULL);

dst_init();
dev_mcast_init();

#ifdef CONFIG_NET_SCHED
pktsched_init();
#endif

/*
* Initialise network devices
*/

net_device_init();

return 0;
}

/linux/drivers/net/Space.c

static struct net_device eth7_dev = {
"eth%d", 0,0,0,0,ETH_NOPROBE_ADDR /* I/O base*/, 0,0,0,0, NEXT_DEV, ethif_probe };
static struct net_device eth6_dev = {
"eth%d", 0,0,0,0,ETH_NOPROBE_ADDR /* I/O base*/, 0,0,0,0, &eth7_dev, ethif_probe };
static struct net_device eth5_dev = {
"eth%d", 0,0,0,0,ETH_NOPROBE_ADDR /* I/O base*/, 0,0,0,0, &eth6_dev, ethif_probe };
static struct net_device eth4_dev = {
"eth%d", 0,0,0,0,ETH_NOPROBE_ADDR /* I/O base*/, 0,0,0,0, &eth5_dev, ethif_probe };
static struct net_device eth3_dev = {
"eth%d", 0,0,0,0,ETH_NOPROBE_ADDR /* I/O base*/, 0,0,0,0, &eth4_dev, ethif_probe };
static struct net_device eth2_dev = {
"eth%d", 0,0,0,0,ETH_NOPROBE_ADDR /* I/O base*/, 0,0,0,0, &eth3_dev, ethif_probe };
static struct net_device eth1_dev = {
"eth%d", 0,0,0,0,ETH_NOPROBE_ADDR /* I/O base*/, 0,0,0,0, &eth2_dev, ethif_probe };

static struct net_device eth0_dev = {
"eth%d", 0, 0, 0, 0, ETH0_ADDR, ETH0_IRQ, 0, 0, 0, &eth1_dev, ethif_probe };

# undef NEXT_DEV
# define NEXT_DEV (&eth0_dev)

extern int loopback_init(struct net_device *dev);
struct net_device loopback_dev =
{"lo", 0, 0, 0, 0, 0, 0, 0, 0, 0, NEXT_DEV, loopback_init};

struct net_device *dev_base = &loopback_dev;

static struct devprobe isa_probes[] __initdata = {
#ifdef CONFIG_EL3 /* ISA, EISA, MCA 3c5x9 */
{el3_probe, 0},
#endif
#ifdef CONFIG_HP100 /* ISA, EISA & PCI */
{hp100_probe, 0},
#endif
#ifdef CONFIG_3C515
{tc515_probe, 0},
#endif
#ifdef CONFIG_ULTRA
{ultra_probe, 0},
#endif
#ifdef CONFIG_WD80x3
{wd_probe, 0},
#endif
#ifdef CONFIG_EL2 /* 3c503 */
{el2_probe, 0},
#endif
#ifdef CONFIG_HPLAN
{hp_probe, 0},
#endif
#ifdef CONFIG_HPLAN_PLUS
{hp_plus_probe, 0},
#endif
#ifdef CONFIG_E2100 /* Cabletron E21xx series. */
{e2100_probe, 0},
#endif
#ifdef CONFIG_NE2000 /* ISA (use ne2k-pci for PCI cards) */
{ne_probe, 0},
#endif
#ifdef CONFIG_LANCE /* ISA/VLB (use pcnet32 for PCI cards) */
{lance_probe, 0},
#endif
#ifdef CONFIG_SMC9194
{smc_init, 0},
#endif
#ifdef CONFIG_SEEQ8005
{seeq8005_probe, 0},
#endif
#ifdef CONFIG_AT1500
{at1500_probe, 0},
#endif
#ifdef CONFIG_CS89x0
{cs89x0_probe, 0},
#endif
#ifdef CONFIG_AT1700
{at1700_probe, 0},
#endif
#ifdef CONFIG_FMV18X /* Fujitsu FMV-181/182 */
{fmv18x_probe, 0},
#endif
#ifdef CONFIG_ETH16I
{eth16i_probe, 0}, /* ICL EtherTeam 16i/32 */
#endif
#ifdef CONFIG_ZNET /* Zenith Z-Note and some IBM Thinkpads. */
{znet_probe, 0},
#endif
#ifdef CONFIG_EEXPRESS /* Intel EtherExpress */
{express_probe, 0},
#endif
#ifdef CONFIG_EEXPRESS_PRO /* Intel EtherExpress Pro/10 */
{eepro_probe, 0},
#endif
#ifdef CONFIG_DEPCA /* DEC DEPCA */
{depca_probe, 0},
#endif
#ifdef CONFIG_EWRK3 /* DEC EtherWORKS 3 */
{ewrk3_probe, 0},
#endif
#if defined(CONFIG_APRICOT) || defined(CONFIG_MVME16x_NET) || defined(CONFIG_BVME6000_NET) /* Intel I82596 */
{i82596_probe, 0},
#endif
#ifdef CONFIG_EL1 /* 3c501 */
{el1_probe, 0},
#endif
#ifdef CONFIG_WAVELAN /* WaveLAN */
{wavelan_probe, 0},
#endif
#ifdef CONFIG_ARLAN /* Aironet */
{arlan_probe, 0},
#endif
#ifdef CONFIG_EL16 /* 3c507 */
{el16_probe, 0},
#endif
#ifdef CONFIG_ELPLUS /* 3c505 */
{elplus_probe, 0},
#endif
#ifdef CONFIG_SK_G16
{SK_init, 0},
#endif
#ifdef CONFIG_NI5010
{ni5010_probe, 0},
#endif
#ifdef CONFIG_NI52
{ni52_probe, 0},
#endif
#ifdef CONFIG_NI65
{ni65_probe, 0},
#endif
{NULL, 0},
};