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2 comments:
File src/osmo-hnbgw/context_map_rua.c:
Patch Set #1, Line 140: hnbgw_decode_ranap_cn_co
now I'm confused. _cn_ seems to indicate from the core network. […]
That's how all code in osmo-iuh is named.
My understanding is that "cn" means "we decode from CN point of view". That means decoding UL traffic and transmitting DL traffic.
In the HNBGW case, that means when traffic comes from RUA we are the "CN" and hence we decode UL traffic and transmit DL traffic.
Patch Set #1, Line 148: rc = ranap_cn_rx_co_decode2(message, msgb_l2(ranap_msg), msgb_l2len(ranap_msg));
See how it matches this osmo-iuh naming. "cn".
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