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2020-12-10gbproxy major rewrite for SGSN pool supportHarald Welte1-4/+6
Rewrite of a large part of osmo-gbproxy in order to prepare for SGSN pool support. The amount of changes are of such fundamental nature that it doesn't make sense to try to split this into hundreds of individual changesets. Related: OS#4472 Change-Id: Ie0746f17927a9509c3806cc80dc1a31d25df7937
2020-12-05gbproxy: Remove patching, TLLI-tracking and SGSN2 supportHarald Welte1-4/+0
Those features were introduced a long time ago for one specific use case at one specific user, and they are not needed anymore. They complicate the code base significantly and are hard to maintain with all the upcoming modifications regarding SGSN pool supoprt. Change-Id: Id9cc2e1c63486491ac5bb68876088a615075fde6
2020-12-05gbproxy: convert nse->bvcs from llist_head to hashtableHarald Welte1-5/+8
For the common lookup-by-bvci, this should reduce the computational complexity significantly. Depends: libosmocore.git I8ef73a62fe9846ce45058eb21cf999dd3eed5741 Change-Id: Ic8e9279fd61a3c514fc3203429f36a468f0e81d3
2020-12-05gbproxy: convert bss_nses from llist_head to hashtableHarald Welte1-3/+6
For the common lookup-by-nsei, this should reduce the computational complexity significantly. Depends: libosmocore.git I8ef73a62fe9846ce45058eb21cf999dd3eed5741 Change-Id: Idbb6a362332bb6e3ce22102e7409ae80d0980f44
2020-12-05gbproxy: Rename gbproxy_cfg.nses to gbproxy_cfg.bss_nsesHarald Welte1-3/+3
We will soon also have a list of sgsn-side NSEs, and we need to differentiate those. Change-Id: If5accec0c70c01b88927ea07beba6f6488bd9d5a Related: OS#4472
2020-12-05gb_proxy: Rename gbproxy_peer to gbproxy_bvcHarald Welte1-9/+9
I cannot really read the code while it contains its historical weird naming. A "peer" used to be a strange amalgamation of NSE + BVC, while in reality we can have any number of BVC on top of each NSE. We recently started to split the peer into a gbproxy_nse_peer + gbproxy_peer. This takes it one step further and renames gbproxy_peer to gbproxy_bvc, as that's really what it is. Change-Id: Iae01067282a6401f6af4cab731202872d2cdb080
2020-11-30gbproxy: Add NSE peer that can have multiple gbproxy_peersDaniel Willmann1-14/+22
We want this level of indirection to support multiple BVCs per NSE. The current code assumes that an NSE only has one BVC which breaks messages on the signalling BVC which should only be sent once to an NSE regardless of the number of BVCs it contains. Change-Id: I97cc6c8f8c0f1b91577ab8f679c4ae217cc88076 Related: SYS#5226
2020-11-11osmo-gbproxy: Implement nsvc-state ctrl commandDaniel Willmann1-6/+14
Change-Id: I0beb572103803f3ee4ecb28d9bf2e3139e0f8aa4
2020-11-06Port gbproxy to NS2Alexander Couzens1-8/+27
Since NS2 has a different abstraction we mock up the prim send/recv functions and don't test NS like the old tests did. Related: SYS#4998 Change-Id: Iecfd0408a35a11638d254c1db3c1d477b1a11524
2019-09-02Move out gbproxy to its own subdirPau Espin Pedrol1-0/+98
Change-Id: I2cc98d3a276d953609bbbbaa9782a0112687791e
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