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Hello Jenkins Builder,

I'd like you to reexamine a change. Please visit

https://gerrit.osmocom.org/c/libosmo-sccp/+/34264

to look at the new patch set (#2).

Change subject: ipa: use LSBs of file descriptor as SLS in IPA->M3UA direction ......................................................................

ipa: use LSBs of file descriptor as SLS in IPA->M3UA direction

when IPA/SCCPlite traffic traverses the osmo_ss7 stack, so far the SLS of the MTP3 label was always set to 0 (default initialization).

However, in order to achieve a better distribution of signaling traffic in SS7 networks that actually utilize the SLS to select any links (or ASPs), it makes sense to use non-zero values.

Instead of introducing some kind of new, configurable attribute for each ASP (IPA client connection), let's simply use the lower 4 bits of the file descriptor integer. Those file descriptors should have a roughly equal distribution, resulting in traffic (from multiple IPA clients) to be spread across the 4-bit SLS number space.

Also, this mechanism ensures that traffic from one IPA client will always get the same SLS and hence routed the same way in any underlying CS7/SS7 network.

Change-Id: Ice7bab997b84cfed00c7d6d780c70f4e9fac6002 Related: SYS#6543 --- M src/ipa.c M src/osmo_ss7.c M src/xua_internal.h 3 files changed, 35 insertions(+), 6 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/libosmo-sccp refs/changes/64/34264/2