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609 Commits

Author SHA1 Message Date
luozijun b5646f1e98 Add `Hash` trait on `IpAddress/IpCidr` 2018-01-26 16:35:53 +00:00
whitequark 0ddd4c9001 Route broadcast packets directly. 
Closes #120.
 2018-01-15 11:56:14 +00:00
Dan Robertson 4a78b02fcf Add process_ipv6 to EthernetInterface 
- Add `process_ipv6` to `EthernetInterface`
 - Add basic test for `process_ipv6`
 - Add `deny(unused)` if either proto-ipv4 or proto-ipv6 is enabled
 - Add `cfg`s where needed to avoid compile time errors due to the above
 2018-01-15 11:54:26 +00:00
Herman J. Radtke III d612a93163 Fix mistakes in README 
- Fix binary path in tcpdump example
- Fix IP address in ping example
 2018-01-13 18:42:17 +00:00
Dan Robertson 7edb7ee93d Implement the time module. 2018-01-13 14:51:21 +00:00
Herman J. Radtke III 2419147b45 Handle parsing and display of IPv4 mapped IPv6 addresses. 
* The IPv6 address parser now handles IPv4 mapped IPv6 addresses which
  take on the form ::ffff:x.x.x.x.
* Implement Display for IPv4 mapped IPv6 addresses
* Implement From<IPv4Address> for IPv6Address

Fixes #86
 2018-01-13 08:49:24 +00:00
Dan Robertson 6fd5ed8aaf Support IPv6 raw sockets 
- Add support for IPv6 raw sockets.
 - Update tests.
 2018-01-13 03:07:10 +00:00
Alex Crawford 066d42c0e0 Clean up dispatch_socket!() syntax 
This modified syntax is meant to more closely resemble standard Rust.
 2018-01-08 07:44:15 +00:00
whitequark 3e96551004 Bump `managed` dependency to 0.5. 2018-01-05 22:44:25 +00:00
whitequark f494200c8c Disregard TCP FIN flag if it arrives in a segment not at window start. 
Fixes #111.
 2018-01-05 21:06:20 +00:00
Dan Robertson b653a6e421 Fix documentation warnings. 
- There are several warnings that are thrown when running `cargo doc`. Fix
  these warnings.
- Convert all module documentation to use /*! for consistency.
 2018-01-05 19:38:23 +00:00
Dan Robertson 22b048c225 Ensure ICMPv4 error replies comply with size requirements 
- Add MIN_MTU constants to the IP version modules.
 - Ensure that ICMPv4 error replies comply with the size requirements
   specified in RFC 1812 § 4.3.2.3.
 2018-01-05 19:21:45 +00:00
寧靜 98679f9a1b Update examples/tcpdump.rs. 2017-12-28 04:48:23 +00:00
whitequark 7c0bae7d36 Simplify. NFC. 2017-12-27 00:09:50 +00:00
Dan Robertson 0d7a6255f6 Add bench tests 
- Add basic infrastructure for bench tests
 - Add bench tests for
   - TcpRepr::emit
   - UdpRepr::emit
   - Ipv4Repr::emit
   - Ipv6Repr::emit
 2017-12-24 22:40:00 +00:00
Dan Robertson 439e0a2cc1 Add the proto-ipv4 feature. 2017-12-24 13:28:59 +00:00
Herman J. Radtke III 260e3d996f Implement FromStr for IpEndpoint 
Fixes #81
 2017-12-24 12:08:16 +00:00
Josh Gangloff fe3e67d544 Make IP checksum loop use larger chunks to ease autovectorization. 2017-12-23 22:26:16 +00:00
whitequark d8685dbb1e Unswitch the IP checksum loop for 30% improvement in performance. 2017-12-23 12:17:39 +00:00
whitequark fb11c4a84d Convert the stress.rs example into a simple benchmark. 
There are no more bugs exposed by stress.rs as far as I can tell,
so let's make it do something more useful.
 2017-12-22 20:59:30 +00:00
whitequark b2c2214725 Convert all assert!s not documented as panics into debug_assert!s. 
Document the rest.
 2017-12-22 20:38:54 +00:00
whitequark ee6c1f34b3 Build release testsuite binaries with complete debug information. 2017-12-22 19:38:17 +00:00
whitequark 436f4ef624 Correctly handle retransmission of lost-received-lost TCP segments. 
Thanks @pothos for initial analysis of the issue.
 2017-12-22 19:31:04 +00:00
whitequark ae17151f2a Fix a few documentation issues. NFC. 2017-12-22 13:13:43 +00:00
whitequark a45b3d9eab TcpSocket::recv_impl should have never been public, oops. 2017-12-22 13:11:11 +00:00
whitequark 85487bf3bc EthernetInterface::set_ipv4_gateway should panic on non-unicast addrs. 2017-12-22 13:07:11 +00:00
whitequark f1a7fbe973 Split `poll_at`/`poll_delay` out of `poll`. 
The previous model was flawed. Consider the following case:
  * The main loop looks as follows (pseudocode):
      loop {
        let _ = (tcp:1234).read_all()
        wait(iface.poll())
      }
  * The remote end is continuously transmitting data and at some
    point fills the window of (tcp:1234), stopping the transmission
    afterwards.
  * The local end processes the packets and, as a part of egress
    routine, emits an ACK. That also updates the window, and
    the socket's poll_at() routine returns None, since there is
    nothing to transmit or retransmit.
  * The local end now waits indefinitely even though it can start
    processing the data in the socket buffers right now.
 2017-12-22 12:59:52 +00:00
whitequark fec3bb32eb Make the log crate properly optional. 2017-12-22 09:57:38 +00:00
whitequark 5ea177e6ab Add a stress test. 
Run it without the `log` feature and in release mode:
  $ cargo run --release \
    --no-default-features \
    --features std,phy-tap_interface,socket-tcp \
    --example stress tap0 \
    [reader|writer]

There are currently two bugs exposed by it:
  * a crash in the reader mode,
  * slow-down in the writer mode.
 2017-12-22 09:43:00 +00:00
whitequark 6d6635a4a9 Oops, don't make examples depend on a nonexistent feature. 
It's a Cargo bug that this is not an error (and thus went unnoticed).
 2017-12-22 09:29:56 +00:00
whitequark 809cfd5ff2 Add a script to run every test Travis would run locally. 2017-12-22 09:07:57 +00:00
whitequark 8b6050f711 Clean up our feature story and more aggressively test features. 2017-12-22 08:54:58 +00:00
whitequark 3029341d5a Panic on an attempt of subtracting sequence numbers with underflow. 
This would result in results near usize::MAX, and is indicative of
a bug. A panic is always used instead of a debug_assert!() because
debug builds are easily slow enough so that the underlying bugs
are not tripped.

Related to #62.
 2017-12-21 12:35:15 +00:00
whitequark bd40265d3a Use a more specific log message for keep-alive or probe TCP packets. 2017-12-21 10:39:54 +00:00
whitequark df65c0e6ae Unbreak `cargo test --no-default-features --features default`. 
I'm not sure why is this needed, but it broke CI.
 2017-12-18 15:10:50 +00:00
whitequark bf53b73e09 Fix accidental conversion of a slice to owned. 
This broke #![no_std] builds.
 2017-12-18 15:03:38 +00:00
whitequark 8863eb8db1 Add an HTTP client example. 2017-12-18 14:53:09 +00:00
whitequark 946376897e Make EthernetInterfaceBuilder::ip_addrs optional. 
It's perfectly reasonable to have an interface with no addresses
assigned to it.
 2017-12-18 13:53:27 +00:00
Dan Robertson c5c2264cdc Use hop limit instead of ttl 
Use hop limit instead of ttl for method and member names.
 2017-12-18 13:47:34 +00:00
Dan Robertson ee60efefd3 Add Ipv6Repr and Ipv6Packet to wire 
- Add the Ipv6Repr and Ipv6Packet structures to the wire module
 - Add basic tests for the new structures
 - Update IpRepr to include the Ipv6 variant
 2017-12-18 13:47:34 +00:00
Dan Robertson 4a98190f9b Replace EthernetInterface::new with EthernetInterfaceBuilder. 2017-12-18 13:29:29 +00:00
whitequark 278bb4b2c9 Trace the TCP socket acknowledging incoming segment. 2017-12-18 12:47:42 +00:00
whitequark 05677dbd76 Fix 14185a16. 2017-12-18 11:42:55 +00:00
whitequark 19f52bd46c Do not fill neighbor cache with IPs not on the same network as us. 
This is pointless (`route` doesn't even check the cache in that case)
and wastes cache space.
 2017-12-18 11:06:26 +00:00
whitequark 8dd9bdeaad Trace neighbor discovery status on a per-socket basis. 
This avoids delaying the first packets for new neighbors by
(at least) the ARP cache silence time, or potentially even
indefinitely.
 2017-12-18 11:06:24 +00:00
whitequark 16b59eefad Style. NFC. 2017-12-16 21:45:24 +00:00
whitequark 75e371d947 Rework the pretty printer to avoid superfluous trailing newlines. 2017-12-16 21:42:19 +00:00
whitequark ec74e34239 Fix clocking code in the loopback example. 2017-12-15 10:20:06 +00:00
whitequark c19bd1da7c Make elaborated reasons for sending a TCP packet more precise. 2017-12-15 06:31:50 +00:00
whitequark 1c7ce85004 Log an elaborated reason for sending a TCP packet. 
Otherwise, it is hard to debug e.g. ACK loops.
 2017-12-15 05:24:17 +00:00