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This pattern shows up a lot when working with PFCP. Let's make it easier
to handle IPv4 and v6 at the same time.
Change-Id: I4338a83f26ef2443f90cf835621e73aed5eac521
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Make osmo_pfcp_enc_to_str_outer_header_creation() as
osmo_pfcp_ie_outer_header_creation_to_str_*() functions.
Used by I0d4d9edcfc94b61bdc74cfd4ff837f151d1c28ae (osmo-upf)
Change-Id: I4ad1570485c8081b82284e4e6b4de4d7eed414b0
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Move static function ip_addrs_to_str_buf() to public API as
osmo_pfcp_ip_addrs_to_str_buf() and osmo_pfcp_ip_addrs_to_str_c().
So far the static function was only used in places where it follows
other strings, so that it made sense to always start with a comma. Move
this comma out of the function to the callers.
Sensibly handle a NULL pointer and an empty address set.
Rationale: osmo-upf would like to print an osmo_pfcp_ip_addrs struct in
logging.
Change-Id: I5f67db8d347690cbb1ce273a2d072636859f1bf6
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Related: SYS#5599
Change-Id: Iacaeebfad0fe77788da40c3ed7da2ffa3b27043c
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So far we had only osmo_pfcp_enc_to_str_node_id(), used for PFCP message
to string conversion. It behaves like a common _to_str_buf() function,
but has an inconvenient void* arg (for use with libosmo-tlv).
Implement the string conversion as common _to_str_buf() and _to_str_c()
functions, and call that from osmo_pfcp_enc_to_str_node_id(). That's
useful for log messages coming up in a subsequent patch.
Related: SYS#5599
Change-Id: I5c580bc510afce58a03dea0861db9630b063b2ae
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The spec indicates three bytes of CP Function Features, but both
wireshark and ttcn3 expect only one byte. This makes sense because only
eight CP F.F. flags are defined.
Drop those two always-zero bytes, hence pass the wireshark dissector and
ttcn3 parsing without warnings.
Related: SYS#5599
Change-Id: Icda891a2f3401e58f142f229465403d5dc8befe5
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Related: SYS#5599
Change-Id: I3069045b2d42dac88d955c636230adc64a7a4aa7
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