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58 Commits

Author SHA1 Message Date
Harald Welte 56f08a377c gprs_ns2_fr: Monitor the kernel net-device link state 
We use the newly-introduced libmnl integration of libosmocore in order
to receive netlink events from the kernel on link state changes.

If one of "our" interfaces changed link state, we report this in the log
and also store it within the "bind".

Change-Id: I779556991bfc88b7751b2be17bb81c329cfb9e01
 2020-12-02 21:04:51 +00:00
Alexander Couzens b7fc3a0a6d gprs_ns2_fr: remove include <linux/if.h> 
It's not needed because net/if.h already include
the required parts. Furthermore the linux/if.h generates
a compiler error in combination with net/if.h on older systems
(e.g. debian jessie)

Change-Id: Iccf931207d8bea19969fbfc4225f622a1a709972
 2020-12-02 20:49:48 +00:00
Harald Welte 96ec84a035 gprs_ns_vty: Unify display of NSVCI on VTY in 'show ns entities' 
Change-Id: I2915b47a5fc4ed9ac16f611c9e9f71dc0955426a
 2020-12-01 18:01:43 +01:00
Harald Welte 48bd76cbc0 gprs_ns2_fr: Print Frame Relay 'role' in VTY 
Change-Id: I23182e5d952fd28a0bbfa76a4fc94d8e03b7a65d
 2020-12-01 18:01:43 +01:00
Harald Welte b6b82da56c frame_relay: Fix error path on ioctl() failure 
We don't want to pass -EINVAL as file descriptor into the bind() call.

Closes: CID#215529
Change-Id: Ic4d411c0ade6867c4fe2c01eb3368e6420158724
 2020-11-30 13:29:33 +00:00
Alexander Couzens aac9016570 ns2: move link layer type into NSE 
Even it was in theory possible to mix NS-VC ll types within
a NSE. This is an unrealistic configuration.
Further more to select the correct load sharing mechanism
the NSE must know the correct link layer.

Change-Id: I18dfd40a2429cd61b7c4a3dad5f226c64296f7d8
 2020-11-24 03:53:22 +01:00
Alexander Couzens 24a14ac80c ns2: move LL into public api 
Also fix prefix. GPRS_NS -> GPRS_NS2.
In preparation to move LL into upper layer.

Change-Id: I3b5e0d51ce69b095095e5160ca0cf0d4534db1b8
 2020-11-24 03:53:22 +01:00
Alexander Couzens 841817ec52 ns2: add support for frame relay 
Add support for frame relay over dahdi hdlc device.
It's supporting lmi by q933 and supports both
SGSN and BSS.

Change-Id: Id3b49f93d33c271f77cd9c9db03cde6b727a4d30
 2020-11-24 03:53:22 +01:00