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Added SLL pseudo protocol header.

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This commit is contained in:
Matias Fontanini
2013-01-16 00:05:28 -03:00
parent a13d7d0cb1
commit 02265061cc
16 changed files with 492 additions and 2023 deletions
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43
src/ethernetII.cpp
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@@ -48,6 +48,7 @@
#include "ipv6.h"
#include "arp.h"
#include "constants.h"
#include "internals.h"
namespace Tins {
const EthernetII::address_type EthernetII::BROADCAST("ff:ff:ff:ff:ff:ff");
@@ -70,25 +71,16 @@ EthernetII::EthernetII(const uint8_t *buffer, uint32_t total_sz)
if(total_sz < sizeof(ethhdr))
throw std::runtime_error("Not enough size for an ethernetII header in the buffer.");
memcpy(&_eth, buffer, sizeof(ethhdr));
PDU *next = 0;
buffer += sizeof(ethhdr);
total_sz -= sizeof(ethhdr);
if(total_sz) {
switch(payload_type()) {
case Constants::Ethernet::IP:
next = new Tins::IP(buffer, total_sz);
break;
case Constants::Ethernet::IPV6:
next = new Tins::IPv6(buffer, total_sz);
break;
case Constants::Ethernet::ARP:
next = new Tins::ARP(buffer, total_sz);
break;
default:
next = new Tins::RawPDU(buffer, total_sz);
// Other protos plz
}
inner_pdu(next);
inner_pdu(
Internals::pdu_from_flag(
(Constants::Ethernet::e)payload_type(),
buffer,
total_sz
)
);
}
}
@@ -152,21 +144,10 @@ void EthernetII::write_serialization(uint8_t *buffer, uint32_t total_sz, const P
/* Inner type defaults to IP */
if ((_eth.payload_type == 0) && inner_pdu()) {
uint16_t type = Constants::Ethernet::IP;
switch (inner_pdu()->pdu_type()) {
case PDU::IP:
type = Constants::Ethernet::IP;
break;
case PDU::IPv6:
type = Constants::Ethernet::IPV6;
break;
case PDU::ARP:
type = Constants::Ethernet::ARP;
break;
default:
type = 0;
}
_eth.payload_type = Endian::host_to_be(type);
Constants::Ethernet::e flag = Internals::pdu_flag_to_ether_type(
inner_pdu()->pdu_type()
);
payload_type(static_cast<uint16_t>(flag));
}
memcpy(buffer, &_eth, sizeof(ethhdr));
}