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Kernel: Refactor TCP/IP stack

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This has several significant changes to the networking stack.

* Significant refactoring of the TCP state machine. Right now it's
  probably more fragile than it used to be, but handles quite a lot
  more of the handshake process.
* `TCPSocket` holds a `NetworkAdapter*`, assigned during `connect()` or
  `bind()`, whichever comes first.
* `listen()` is now virtual in `Socket` and intended to be implemented
  in its child classes
* `listen()` no longer works without `bind()` - this is a bit of a
  regression, but listening sockets didn't work at all before, so it's
  not possible to observe the regression.
* A file is exposed at `/proc/net_tcp`, which is a JSON document listing
  the current TCP sockets with a bit of metadata.
* There's an `ETHERNET_VERY_DEBUG` flag for dumping packet's content out
  to `kprintf`. It is, indeed, _very debug_.
This commit is contained in:
Conrad Pankoff 2019-08-06 23:40:38 +10:00 • committed by Andreas Kling
parent c973a51a23
commit 73c998dbfc
Notes: sideshowbarker 2024-07-19 12:51:03 +09:00
12 changed files with 446 additions and 84 deletions
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1
AK/IPv4Address.h
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@ -67,6 +67,7 @@ public:
}
in_addr_t to_in_addr_t() const { return m_data_as_u32; }
u32 to_u32() const { return m_data_as_u32; }
bool operator==(const IPv4Address& other) const { return m_data_as_u32 == other.m_data_as_u32; }
bool operator!=(const IPv4Address& other) const { return m_data_as_u32 != other.m_data_as_u32; }