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4 Commits

Author SHA1 Message Date
Harald Welte d4d6e09fd2 ippool: Extend pool to work with /64 prefixes
In IPv6 GPRS, we actually don't want to allocate an individual v6
address (like in IPv4), but we want to allocate a prefix.  The
standard prefix lengh is 8 bytes, i.e. a /64 prefix.  This patch
extends the pool to be able to work with such v6 prefixes.

Change-Id: I0cf700b6baf195a2e5fbea000531f801acaaa443
2017-08-09 22:37:57 +02:00
Harald Welte 365f8fa462 in46_addr: Add new function in46a_prefix_equal()
This function is used to compare an IPv6 address against another,
using the smaller of the two prefix lengths.

Change-Id: Ic993d8abdc90897cb55276f01ae3b8a5eadf5a0d
2017-08-09 22:09:34 +02:00
Harald Welte a0d281db1c IPv6 support for user IP
This patch enables the use of IPv6 PDP contexts.  The phone will
have to request an IPv6 End-user-Address, and the GGSN will have
to be configured for an IPv6 pool.

The outer transport-layer IP between SGSN and GGSN must still be
IPv4, it is not modified by this patch

Change-Id: I22c3bf32a98e5daf99d6eaeac8c9f95cc7574774
2017-08-09 22:09:34 +02:00
Harald Welte d12eab9c4e ippool: Add IPv6 support to IP pool implementation
Extend the IP pool implementation to be able to manage both pools
of 32bit addresses (IPv4) as well as pools of 128bit addresses (IPv6)

Change-Id: Ib98cc4bf634d6be9a7bf8c03a24e629455fcafc8
2017-08-09 22:08:57 +02:00