status_t
uninit_stack()
{
TRACE(("Unloading network stack\n"));
put_module(NET_SOCKET_MODULE_NAME);
uninit_timers();
uninit_device_interfaces();
uninit_interfaces();
uninit_domains();
uninit_notifications();
mutex_destroy(&sChainLock);
mutex_destroy(&sInitializeChainLock);
// remove chains and families
chain::DeleteChains(sProtocolChains);
chain::DeleteChains(sDatalinkProtocolChains);
chain::DeleteChains(sReceivingProtocolChains);
uint32 cookie = 0;
while (true) {
struct family* family = (struct family*)hash_remove_first(sFamilies,
&cookie);
if (family == NULL)
break;
delete family;
}
hash_uninit(sProtocolChains);
hash_uninit(sDatalinkProtocolChains);
hash_uninit(sReceivingProtocolChains);
hash_uninit(sFamilies);
return B_OK;
}
status_t
uninit_stack()
{
TRACE(("Unloading network stack\n"));
put_module(NET_SOCKET_MODULE_NAME);
uninit_timers();
uninit_device_interfaces();
uninit_interfaces();
uninit_domains();
uninit_notifications();
mutex_destroy(&sChainLock);
mutex_destroy(&sInitializeChainLock);
// remove chains and families
chain::DeleteChains(sProtocolChains);
chain::DeleteChains(sDatalinkProtocolChains);
chain::DeleteChains(sReceivingProtocolChains);
struct family* current;
current = sFamilies->Clear(true);
while (current) {
struct family* next = current->next;
delete current;
current = next;
}
delete sProtocolChains;
delete sDatalinkProtocolChains;
delete sReceivingProtocolChains;
delete sFamilies;
return B_OK;
}
status_t
init_stack()
{
status_t status = init_domains();
if (status != B_OK)
return status;
status = init_interfaces();
if (status != B_OK)
goto err1;
status = init_device_interfaces();
if (status != B_OK)
goto err2;
status = init_timers();
if (status != B_OK)
goto err3;
status = init_notifications();
if (status < B_OK) {
// If this fails, it just means there won't be any notifications,
// it's not a fatal error.
dprintf("networking stack notifications could not be initialized: %s\n",
strerror(status));
}
module_info* dummy;
status = get_module(NET_SOCKET_MODULE_NAME, &dummy);
if (status != B_OK)
goto err4;
mutex_init(&sChainLock, "net chains");
mutex_init(&sInitializeChainLock, "net intialize chains");
sFamilies = new(std::nothrow) FamilyTable();
if (sFamilies == NULL || sFamilies->Init(10) != B_OK) {
status = B_NO_MEMORY;
goto err5;
}
sProtocolChains = new(std::nothrow) ChainTable();
if (sProtocolChains == NULL || sProtocolChains->Init(10) != B_OK) {
status = B_NO_MEMORY;
goto err6;
}
sDatalinkProtocolChains = new(std::nothrow) ChainTable();
if (sDatalinkProtocolChains == NULL
|| sDatalinkProtocolChains->Init(10) != B_OK) {
status = B_NO_MEMORY;
goto err7;
}
sReceivingProtocolChains = new(std::nothrow) ChainTable();
if (sReceivingProtocolChains == NULL
|| sReceivingProtocolChains->Init(10) != B_OK) {
status = B_NO_MEMORY;
goto err8;
}
sInitialized = true;
link_init();
scan_modules("network/protocols");
scan_modules("network/datalink_protocols");
// TODO: for now!
register_domain_datalink_protocols(AF_INET, IFT_LOOP,
"network/datalink_protocols/loopback_frame/v1", NULL);
#if 0 // PPP is not (currently) included in the build
register_domain_datalink_protocols(AF_INET, IFT_PPP,
"network/datalink_protocols/ppp_frame/v1", NULL);
#endif
register_domain_datalink_protocols(AF_INET6, IFT_LOOP,
"network/datalink_protocols/loopback_frame/v1", NULL);
register_domain_datalink_protocols(AF_INET, IFT_ETHER,
"network/datalink_protocols/arp/v1",
"network/datalink_protocols/ethernet_frame/v1",
NULL);
register_domain_datalink_protocols(AF_INET6, IFT_ETHER,
"network/datalink_protocols/ipv6_datagram/v1",
"network/datalink_protocols/ethernet_frame/v1",
NULL);
return B_OK;
err8:
delete sDatalinkProtocolChains;
err7:
delete sProtocolChains;
err6:
delete sFamilies;
err5:
mutex_destroy(&sInitializeChainLock);
mutex_destroy(&sChainLock);
err4:
uninit_timers();
err3:
uninit_device_interfaces();
err2:
uninit_interfaces();
err1:
uninit_domains();
return status;
}
status_t
init_stack()
{
status_t status = init_domains();
if (status != B_OK)
return status;
status = init_interfaces();
if (status != B_OK)
goto err1;
status = init_device_interfaces();
if (status != B_OK)
goto err2;
status = init_timers();
if (status != B_OK)
goto err3;
status = init_notifications();
if (status < B_OK) {
// If this fails, it just means there won't be any notifications,
// it's not a fatal error.
dprintf("networking stack notifications could not be initialized: %s\n",
strerror(status));
}
module_info* dummy;
status = get_module(NET_SOCKET_MODULE_NAME, &dummy);
if (status != B_OK)
goto err4;
mutex_init(&sChainLock, "net chains");
mutex_init(&sInitializeChainLock, "net intialize chains");
sFamilies = hash_init(10, offsetof(struct family, next),
&family::Compare, &family::Hash);
if (sFamilies == NULL) {
status = B_NO_MEMORY;
goto err5;
}
sProtocolChains = hash_init(10, offsetof(struct chain, next),
&chain::Compare, &chain::Hash);
if (sProtocolChains == NULL) {
status = B_NO_MEMORY;
goto err6;
}
sDatalinkProtocolChains = hash_init(10, offsetof(struct chain, next),
&chain::Compare, &chain::Hash);
if (sDatalinkProtocolChains == NULL) {
status = B_NO_MEMORY;
goto err7;
}
sReceivingProtocolChains = hash_init(10, offsetof(struct chain, next),
&chain::Compare, &chain::Hash);
if (sReceivingProtocolChains == NULL) {
status = B_NO_MEMORY;
goto err8;
}
sInitialized = true;
link_init();
scan_modules("network/protocols");
scan_modules("network/datalink_protocols");
// TODO: for now!
register_domain_datalink_protocols(AF_INET, IFT_LOOP,
"network/datalink_protocols/loopback_frame/v1", NULL);
register_domain_datalink_protocols(AF_INET6, IFT_LOOP,
"network/datalink_protocols/loopback_frame/v1", NULL);
register_domain_datalink_protocols(AF_INET, IFT_ETHER,
"network/datalink_protocols/arp/v1",
"network/datalink_protocols/ethernet_frame/v1",
NULL);
register_domain_datalink_protocols(AF_INET6, IFT_ETHER,
"network/datalink_protocols/ipv6_datagram/v1",
"network/datalink_protocols/ethernet_frame/v1",
NULL);
return B_OK;
err8:
hash_uninit(sDatalinkProtocolChains);
err7:
hash_uninit(sProtocolChains);
err6:
hash_uninit(sFamilies);
err5:
mutex_destroy(&sInitializeChainLock);
mutex_destroy(&sChainLock);
err4:
uninit_timers();
err3:
uninit_device_interfaces();
err2:
uninit_interfaces();
err1:
uninit_domains();
return status;
}
