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And move all existing A-bis channel implementation to channel/abis/
directory.
This is just a cleanup to reorganize the source code tree.
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This adds the generic ipa_unit object that is allocated and set
by the BTS while initializing the channels.
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This include an example to open /dev/ttyACM0 to receive data from
u-blox GPS and one to configure it in TIMEPULSE2 mode.
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This patch adds the initial RTP support for libosmo-netif, it's based
on Harald's RTP support available in openBSC.
I have also added a couple of example to show how our new channel
infrastructure interacts with the RTP layer.
Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
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This patch adds the generic channel infrastructure that allows to
create channel of different types. Each channel has their own
configuration functions.
struct osmo_chan *chan;
chan = osmo_chan_create(tall_example, CHAN_ABIS_IPA_SERVER);
...
/* specific configuration functions per supported channel. */
osmo_chan_abis_ipa_server_set_cb_signalmsg(chan, signal_msg_cb);
osmo_chan_abis_ipa_unit_add(chan, 1801, 0);
/* open channel. */
osmo_chan_open(chan);
The input path requires a callback to be registered. The output path
is handled through:
int osmo_chan_enqueue(struct osmo_chan *c, struct msgb *msg);
The msg->dst must be set (it can be taken from the original message
to route one reply).
This patch also adds A-bis IPA server support. It has been tested with
e1inp_ipa_bsc_test available in libosmo-abis.
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This patch adds IPA helper function that can be use on top of stream
sockets.
The current API is just a copy and paste from libosmo-abis, it will
change in follow up patches to improve it.
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This patch adds new datagram socket infrastructure and it reworks
the previous examples (now it's LAPD over datagram).
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