Kernel/Net: Make IPv4Socket::protocol_receive() take a ReadonlyBytes

The overrides of this function don't need to know how the original
packet was stored, so let's just give them a ReadonlyBytes view of
the raw packet data.

1 files changed, 3 insertions, 3 deletions

diff --git a/Kernel/Net/TCPSocket.cpp b/Kernel/Net/TCPSocket.cpp
index 91b5252207..de8b1fff16 100644
--- a/Kernel/Net/TCPSocket.cpp
+++ b/Kernel/Net/TCPSocket.cpp
@@ -167,12 +167,12 @@ NonnullRefPtr<TCPSocket> TCPSocket::create(int protocol)
     return adopt(*new TCPSocket(protocol));
 }
 
-KResultOr<size_t> TCPSocket::protocol_receive(const KBuffer& packet_buffer, UserOrKernelBuffer& buffer, size_t buffer_size, int flags)
+KResultOr<size_t> TCPSocket::protocol_receive(ReadonlyBytes raw_ipv4_packet, UserOrKernelBuffer& buffer, size_t buffer_size, int flags)
 {
     (void)flags;
-    auto& ipv4_packet = *(const IPv4Packet*)(packet_buffer.data());
+    auto& ipv4_packet = *reinterpret_cast<const IPv4Packet*>(raw_ipv4_packet.data());
     auto& tcp_packet = *static_cast<const TCPPacket*>(ipv4_packet.payload());
-    size_t payload_size = packet_buffer.size() - sizeof(IPv4Packet) - tcp_packet.header_size();
+    size_t payload_size = raw_ipv4_packet.size() - sizeof(IPv4Packet) - tcp_packet.header_size();
 #ifdef TCP_SOCKET_DEBUG
     klog() << "payload_size " << payload_size << ", will it fit in " << buffer_size << "?";
 #endif