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2021-02-09Move network internal code to internal packageGhanan Gowripalan
Utilities written to be common across IPv4/IPv6 are not planned to be available for public use. https://golang.org/doc/go1.4#internalpackages PiperOrigin-RevId: 356554862
2021-01-29Refresh delayed report timers on query messagesGhanan Gowripalan
...as per As per RFC 2236 section 3 page 3 (for IGMPv2) and RFC 2710 section 4 page 5 (for MLDv1). See comments in code for more details. Test: ip_test.TestHandleQuery PiperOrigin-RevId: 354603068
2021-01-28Change tcpip.Error to an interfaceTamir Duberstein
This makes it possible to add data to types that implement tcpip.Error. ErrBadLinkEndpoint is removed as it is unused. PiperOrigin-RevId: 354437314
2021-01-19Per NIC NetworkEndpoint statisticsArthur Sfez
To facilitate the debugging of multi-homed setup, track Network protocols statistics for each endpoint. Note that the original stack-wide stats still exist. A new type of statistic counter is introduced, which track two versions of a stat at the same time. This lets a network endpoint increment both the local stat and the stack-wide stat at the same time. Fixes #4605 PiperOrigin-RevId: 352663276
2020-12-16Cleanup locking in multicast group protocol testsGhanan Gowripalan
Startblock: has LGTM from asfez and then add reviewer tamird PiperOrigin-RevId: 347928471
2020-12-15Don't split enabled flag across multicast group stateGhanan Gowripalan
Startblock: has LGTM from asfez and then add reviewer brunodalbo PiperOrigin-RevId: 347716242
2020-12-10Use specified source address for IGMP/MLD packetsGhanan Gowripalan
This change also considers interfaces and network endpoints enabled up up to the point all work to disable them are complete. This was needed so that protocols can perform shutdown work while being disabled (e.g. sending a packet which requires the endpoint to be enabled to obtain a source address). Bug #4682, #4861 Fixes #4888 Startblock: has LGTM from peterjohnston and then add reviewer brunodalbo PiperOrigin-RevId: 346869702
2020-12-09Do not perform IGMP/MLD on loopback interfacesGhanan Gowripalan
The loopback interface will never have any neighbouring nodes so advertising its interest in multicast groups is unnecessary. Bug #4682, #4861 Startblock: has LGTM from asfez and then add reviewer tamird PiperOrigin-RevId: 346587604
2020-12-09export MountTempDirectoryZeling Feng
PiperOrigin-RevId: 346487763
2020-12-07Remove stale commentSam Balana
Removes comment lines about MaxUnsolicitedReportDelay. This is already documented in the comment for GenericMulticastProtocolOptions. PiperOrigin-RevId: 346185053
2020-12-01Track join count in multicast group protocol stateGhanan Gowripalan
Before this change, the join count and the state for IGMP/MLD was held across different types which required multiple locks to be held when accessing a multicast group's state. Bug #4682, #4861 Fixes #4916 PiperOrigin-RevId: 345019091
2020-11-24Extract IGMPv2 core state machineGhanan Gowripalan
The IGMPv2 core state machine can be shared with MLDv1 since they are almost identical, ignoring specific addresses, constants and packets. Bug #4682, #4861 PiperOrigin-RevId: 344102615
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