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Merge r344481:

Description

Merge r344481:

Support struct ip_mreqn as argument for IP_ADD_MEMBERSHIP. Legacy support
for struct ip_mreq remains in place.

The struct ip_mreqn is Linux extension to classic BSD multicast API. It
has extra field allowing to specify the interface index explicitly. In
Linux it used as argument for IP_MULTICAST_IF and IP_ADD_MEMBERSHIP.
FreeBSD kernel also declares this structure and supports it as argument
to IP_MULTICAST_IF since r170613. So, we have structure declared but
not fully supported, this confused third party application configure
scripts.

Code handling IP_ADD_MEMBERSHIP was mixed together with code for
IP_ADD_SOURCE_MEMBERSHIP.  Bringing legacy and new structure support
into the mess would made the "argument switcharoo" intolerable, so
code was separated into its own switch case clause.

Details

Committed
glebiusMay 24 2019, 6:27 AM
Parents
rS348229: amdgpio: small formatting cleanup
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