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Change subject: libosmo-pfcp: implement PFCP header and msg handling
......................................................................
Patch Set 7:
(1 comment)
File include/osmocom/pfcp/pfcp_msg.h:
https://gerrit.osmocom.org/c/osmo-upf/+/27631/comment/b56800f0_f6eabcb3
PS3, Line 44: #define OSMO_LOG_PFCP_MSG_SRC(M, LEVEL, file, line, FMT, ARGS...) do { \
> in principle LOG_TS(), LOG_LCHAN() and others are doing similar things. […]
Because in general it doesn't make sense to force the compiler to generate all that code duplicated every time you want to log something.
Better put it in a function and let the compiler decide what to do.
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neels has submitted this change. ( https://gerrit.osmocom.org/c/osmo-upf/+/28225 )
Change subject: pfcp ie: tweak CP Function Features
......................................................................
pfcp ie: tweak CP Function Features
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
---
M include/osmocom/pfcp/pfcp_ies_custom.h
1 file changed, 1 insertion(+), 1 deletion(-)
Approvals:
laforge: Looks good to me, approved
fixeria: Looks good to me, but someone else must approve
Jenkins Builder: Verified
diff --git a/include/osmocom/pfcp/pfcp_ies_custom.h b/include/osmocom/pfcp/pfcp_ies_custom.h
index 9f26550..c28fdb2 100644
--- a/include/osmocom/pfcp/pfcp_ies_custom.h
+++ b/include/osmocom/pfcp/pfcp_ies_custom.h
@@ -73,7 +73,7 @@
* printf("%s\n", osmo_pfcp_bits_to_str_c(x.bits, osmo_pfcp_cp_feature_strs));
*/
struct osmo_pfcp_ie_cp_function_features {
- uint8_t bits[3];
+ uint8_t bits[1];
};
/* 3GPP TS 29.244 8.2.37 */
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pespin has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bsc-nat/+/27712 )
Change subject: Add subscr_conn_fsm
......................................................................
Patch Set 5:
(1 comment)
File src/osmo-bsc-nat/bssap_conn.c:
https://gerrit.osmocom.org/c/osmo-bsc-nat/+/27712/comment/f0165b8f_2b43f1ff
PS4, Line 47: uint8_t tag = tag_order[i];
> That's probably the best approach to be as transparent as possible leaving the whole message untoche […]
See osmo-hnbgw, dexter did it there for RTP afair.
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neels has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-upf/+/27631 )
Change subject: libosmo-pfcp: implement PFCP header and msg handling
......................................................................
Patch Set 7:
(1 comment)
File include/osmocom/pfcp/pfcp_msg.h:
https://gerrit.osmocom.org/c/osmo-upf/+/27631/comment/e1f2fac1_e2d2c39c
PS3, Line 44: #define OSMO_LOG_PFCP_MSG_SRC(M, LEVEL, file, line, FMT, ARGS...) do { \
> Its also the first time we are reaching this kind of complexit in a log macro...
in principle LOG_TS(), LOG_LCHAN() and others are doing similar things.
You can see them with this run across all osmo trees:
rgrep '#define.LOG_.*do' -A 10
I don't understand why you guys oppose this being a macro, and I guess I never will.
But if you insist, I can change it to a va_list function.
Maybe in a separate patch?
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Change subject: Add subscr_conn_fsm
......................................................................
Patch Set 5:
(1 comment)
File src/osmo-bsc-nat/bssap_conn.c:
https://gerrit.osmocom.org/c/osmo-bsc-nat/+/27712/comment/8b62b779_d5b703b7
PS4, Line 47: uint8_t tag = tag_order[i];
> Of course you can, it's just a matter of memmove the buffer a few bytes left/right and changing the […]
That's probably the best approach to be as transparent as possible leaving the whole message untoched, passing through unknown IEs, etc.
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Change subject: Add subscr_conn_fsm
......................................................................
Patch Set 5:
(1 comment)
File src/osmo-bsc-nat/bssap_conn.c:
https://gerrit.osmocom.org/c/osmo-bsc-nat/+/27712/comment/72ef77e4_0d814e8c
PS4, Line 47: uint8_t tag = tag_order[i];
> The length of the IE is different depending on IPv4 or IPv6 address being encoded (3GPP TS 48. […]
Of course you can, it's just a matter of memmove the buffer a few bytes left/right and changing the len value of the IE in the buffer. And maybe some general "len" field at the message level. The rest of the IEs/message in the buffer should be independent of that change.
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osmith has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bsc-nat/+/27712 )
Change subject: Add subscr_conn_fsm
......................................................................
Patch Set 5:
(1 comment)
File src/osmo-bsc-nat/bssap_conn.c:
https://gerrit.osmocom.org/c/osmo-bsc-nat/+/27712/comment/cbae2127_e8bcd74b
PS4, Line 47: uint8_t tag = tag_order[i];
> The best approach is probably locating the important IE start of buffer by using tlv_parse, then sim […]
The length of the IE is different depending on IPv4 or IPv6 address being encoded (3GPP TS 48.008 § 3.2.2.102). So I can't just modify the existing buffer without re-encoding, I'll implement Neels approach. Thanks for the feedback!
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