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145 Commits

Author SHA1 Message Date
Dan Robertson 82f822930c Move more iface tests to test ipv6 
Closes: #249
Approved by: whitequark
 2018-06-24 15:24:37 +08:00
jD91mZM2 3d141489a2 Fix impossible lifetime bounds 
Using Routes<'static> used to make these functions impossible because it created a reference that needed to be valid for the static lifetime

Closes: #243
Approved by: dlrobertson
 2018-06-19 21:14:20 +08:00
Valentin Lorentz 728ae3fbb5 Add support for arbitrarily many routes instead of only gateways. 
Closes: #219
Approved by: whitequark
 2018-06-10 05:31:08 +08:00
Dan Robertson 7462664954 iface: Begin parsing Hop-By-Hop extension headers 
Begin add support for parsing extension headers.

Closes: #212
Approved by: whitequark
 2018-05-27 16:14:29 +08:00
Ole Martin Ruud 0c59e3f5f9 Implement new type for `poll_at` 
Change return-type for `poll_at` for sockets to be a `PollAt` instead of
the former `Option<Instant>`.

Closes: #216
Approved by: whitequark
 2018-05-17 06:17:47 +08:00
Valentin Lorentz 2d716883b6 Add support for IPv6 gateways. 
Closes: #207
Approved by: dlrobertson
 2018-05-14 09:39:39 +08:00
Valentin Lorentz 2afc538fd9 Add support for IPv6 to ICMP sockets. 
Closes: #205
Approved by: whitequark
 2018-05-10 07:12:33 +08:00
Dan Robertson bed3d8bd4b Add Address Resolution for IPv6 
Add Address Resolution via NDISC for IPv6.

Closes: #196
Approved by: whitequark
 2018-05-07 23:49:56 +08:00
Dan Robertson 010e55beed Fix ICMPv6 checksum function 
The ICMPv6 checksum calculation requires the pseudo header.

Closes: #196
Approved by: whitequark
 2018-05-07 23:49:56 +08:00
whitequark 485b46a5e6 fn PacketMetadata::empty() → const PacketMetadata::EMPTY. 
Fixes #181.
 2018-03-24 03:23:37 +00:00
Dan Robertson 826ba29b72 Add has_solicited_node to EthernetInterface 
- Add a function to EthernetInterface useful for determining if a
   received packet with the source address being a solicited node
   address is the solicited node address for an IPv6 address assigned
   to the interface.
 - Add SOLICITED_NODES_PREFIX to Ipv6Cidr
 - Fix some nits

Closes: #175
Approved by: whitequark
 2018-03-04 03:23:12 +08:00
Astro e3e9d9d4c5 Allow broadcast/multicast traffic to UDP sockets 
Closes: #173
Approved by: whitequark
 2018-03-03 06:16:40 +08:00
Astro cd00d63c51 Add multicast capability to lookup_hardware_addr() 
Closes: #172
Approved by: whitequark
 2018-03-02 08:33:37 +08:00
whitequark 3d12690009 Use storage::PacketBuffer for implementing socket::IcmpSocket. 
This substantially increases its space efficiency.
 2018-02-22 12:23:35 +00:00
whitequark c474d0c32e Factor out storage::PacketBuffer from socket::UdpSocket. 2018-02-22 11:34:58 +00:00
Philipp Oppermann ed2dcaaff9 Use separate metadata and payload buffers for UDP sockets. 
Co-authored-by: Dan Robertson <danlrobertson89@gmail.com>
 2018-02-22 06:33:11 +00:00
Dan Robertson 9747733dd7 Use time types in socket 
Use the time types (Instant and Duration) in the socket modules instead
of a simple u64.

Closes: #141
Approved by: whitequark
 2018-02-16 10:44:03 +08:00
Dan Robertson e0b48caca3 Update phy mod to use new time types 
Update everything but the socket types to use the new time types instead
of a basic u64

Closes: #141
Approved by: whitequark
 2018-02-16 10:44:03 +08:00
Dan Robertson 1f9e14de71 Update iface and phy_wait to use new time types 
Update the EthernetInterface poll functions to use Instant and Duration
instead of a simple u64 value.

Closes: #141
Approved by: whitequark
 2018-02-16 10:44:02 +08:00
Dan Robertson e09e20df95 Add basic ICMPv6 reply 
Add basic ICMPv6 handling

 - ICMPv6
   - Handle ICMPv6 echo requests
   - Send ICMPv6 error messages
     - When know listening UDP socket is found in process_udp
     - When the next header is not known
   - Update icmpv6 test to be more useful
 - ICMPv4
   - Handle one more case where we are sending too much data
 2018-02-05 16:24:25 +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
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
whitequark 7c0bae7d36 Simplify. NFC. 2017-12-27 00:09:50 +00:00
Dan Robertson 439e0a2cc1 Add the proto-ipv4 feature. 2017-12-24 13:28:59 +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 8b6050f711 Clean up our feature story and more aggressively test features. 2017-12-22 08:54:58 +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 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 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
Dan Robertson 888b098dca Process the Icmpv4Repr in IcmpSocket::process 
- Use the Icmpv4Repr in IcmpSocket::process instead of the raw payload.
 - Update the IcmpSocket tests.
 2017-12-09 00:10:09 +00:00
whitequark 26b8052ee9 Make packet dumps emitted for broken packets more useful. 
Before this commit, only the outermost frame (the Ethernet one)
would be shown, which is really no help at all.
 2017-12-08 07:11:08 +00:00
Jeremy Soller 8604eaa8f9 Allow receiving broadcast packets via UDP sockets. 2017-11-23 07:01:35 +00:00
whitequark ff530020dd Style. NFC. 2017-11-22 07:44:03 +00:00
whitequark 98a3ec8c3a Limit the rate at which sockets will request neighbor discovery. 
The rate of emission of neighbor discovery packets is already
limited at the level of the entire neighbor cache, but poll()
would uselessly spin until the answer arrives (if ever).
 2017-11-22 07:20:31 +00:00
whitequark eaa50d0003 Rewrite the ARP cache to allow for flood protection and expiration. 2017-11-21 10:53:55 +00:00
Egor Karavaev 1e809daf7a Make `Error::Unaddressable` ignored for ICMP sockets as well. 2017-11-13 14:16:03 +00:00
Egor Karavaev eb7d0e346e ICMP sockets don't end ICMP packets processing. 2017-11-13 14:16:03 +00:00
whitequark 19373c58c8 Style. NFCI. 2017-11-09 02:07:24 +00:00
Dan Robertson adb5014780 Add ICMP sockets 
- Add support for ICMP sockets
 - Add tests for ICMP sockets
 - Rename proto-<type> features to socket-<type>
 - Update documentation
 2017-11-09 00:08:24 +00:00
Philipp Oppermann c3e07dad9a Store plain DeviceT instead of Managed<_> in EthernetInterface 2017-11-08 09:34:35 +00:00
whitequark d9fa7f6bc6 Rename proto-* features back to socket-*. 
A proto-* feature does not make sense for ICMP, where the protocol
is always enabled, but sockets, not.
 2017-11-06 09:51:03 +00:00
whitequark 7039ec8b04 Rename a few tests. NFC. 2017-11-04 02:42:51 +00:00
Philipp Oppermann 6a8e21cec0 Redesign the phy::Device trait to avoid Drop impls. 2017-11-03 23:15:07 +00:00