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[icmp6] allow config of echo handling for unicast/multicast separately (#2609)

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Previously, ICMPv6 Echo Request handling was either enabled or disabled.
This commit allows enabling/disabling the handler for ICMPv6 Echo Requests
sent to unicast and multicast destinations separately.

This commit also adds an associated spinel property and NCP implementation.
This commit is contained in:
Jonathan Hui
2018-03-13 18:10:28 +00:00
committed by GitHub
parent 0dd689752c
commit f602dcd5e7
13 changed files with 172 additions and 22 deletions
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doc/spinel-protocol-src/spinel-prop-ipv6.md
+20
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@@ -47,3 +47,23 @@ Default value is `false`.
Array of structures containing:
* `6`: Multicast IPv6 Address
### PROP 103: PROP_IPv6_ICMP_PING_OFFLOAD_MODE
* Type: Read-Write
* Packed-Encoding: `C`
* Unit: Enumeration
Allow the NCP to directly respond to ICMP ping requests. If this is
turned on, ping request ICMP packets will not be passed to the host.
This property allows enabling responses sent to unicast only, multicast
only, or both.
Values:
* 0: `IPV6_ICMP_PING_OFFLOAD_DISABLED`
* 1: `IPV6_ICMP_PING_OFFLOAD_UNICAST_ONLY`
* 2: `IPV6_ICMP_PING_OFFLOAD_MULTICAST_ONLY`
* 3: `IPV6_ICMP_PING_OFFLOAD_ALL`
Default value is `IPV6_ICMP_PING_OFFLOAD_DISABLED`.