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Added support for IP_TOS and IP_TTL options. 

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19673 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-01-02 00:16:32 +00:00
parent af3a31f770
commit e460ec053f
1 changed files with 50 additions and 2 deletions
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52
src/add-ons/kernel/network/protocols/ipv4/ipv4.cpp
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@ -127,6 +127,8 @@ class RawSocket : public DoublyLinkedListLinkImpl<RawSocket> {
struct ipv4_protocol : net_protocol {
RawSocket *raw;
uint8 service_type;
uint8 time_to_live;
uint32 flags;
};
@ -670,6 +672,8 @@ ipv4_init_protocol(net_socket *socket)
return NULL;
protocol->raw = NULL;
protocol->service_type = 0;
protocol->time_to_live = 254;
protocol->flags = 0;
return protocol;
}
@ -773,7 +777,26 @@ ipv4_control(net_protocol *_protocol, int level, int option, void *value,
return user_memcpy(value, &headerIncluded, sizeof(headerIncluded));
}
case IP_TTL:
{
if (*_length != sizeof(int))
return B_BAD_VALUE;
int timeToLive = protocol->time_to_live;
return user_memcpy(value, &timeToLive, sizeof(timeToLive));
}
case IP_TOS:
{
if (*_length != sizeof(int))
return B_BAD_VALUE;
int serviceType = protocol->service_type;
return user_memcpy(value, &serviceType, sizeof(serviceType));
}
default:
dprintf("IPv4::control(): get unknown option: %d\n", option);
return ENOPROTOOPT;
}
} else {
@ -795,7 +818,32 @@ ipv4_control(net_protocol *_protocol, int level, int option, void *value,
break;
}
case IP_TTL:
{
int timeToLive;
if (*_length != sizeof(int))
return B_BAD_VALUE;
if (user_memcpy(&timeToLive, value, sizeof(timeToLive)) < B_OK)
return B_BAD_ADDRESS;
protocol->time_to_live = timeToLive;
break;
}
case IP_TOS:
{
int serviceType;
if (*_length != sizeof(int))
return B_BAD_VALUE;
if (user_memcpy(&serviceType, value, sizeof(serviceType)) < B_OK)
return B_BAD_ADDRESS;
protocol->service_type = serviceType;
break;
}
default:
dprintf("IPv4::control(): set unknown option: %d\n", option);
return ENOPROTOOPT;
}
}
@ -876,11 +924,11 @@ ipv4_send_routed_data(net_protocol *_protocol, struct net_route *route,
header.version = IP_VERSION;
header.header_length = sizeof(ipv4_header) >> 2;
header.service_type = 0;
header.service_type = protocol ? protocol->service_type : 0;
header.total_length = htons(buffer->size);
header.id = htons(atomic_add(&sPacketID, 1));
header.fragment_offset = 0;
header.time_to_live = 254;
header.time_to_live = protocol ? protocol->time_to_live : 254;
header.protocol = protocol ? protocol->socket->protocol : buffer->protocol;
header.checksum = 0;
if (route->interface->address != NULL) {