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| author | Anders Broman <anders.broman@ericsson.com> | 2007-04-18 06:32:00 +0000 |
|---|---|---|
| committer | Anders Broman <anders.broman@ericsson.com> | 2007-04-18 06:32:00 +0000 |
| commit | 5e859c36d7425337e380ca0a88bd062f4d898555 (patch) | |
| tree | 3e14923337a426b67eb44ef10992f2c3ed6edb79 /epan/dissectors/packet-gtp.c | |
| parent | 3f3d0d3d440d06cf4d895895dac4f70862b23fc6 (diff) | |
Add a comment.
svn path=/trunk/; revision=21464
Diffstat (limited to 'epan/dissectors/packet-gtp.c')
| -rw-r--r-- | epan/dissectors/packet-gtp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/epan/dissectors/packet-gtp.c b/epan/dissectors/packet-gtp.c index 5bd196fc15..1697a8c454 100644 --- a/epan/dissectors/packet-gtp.c +++ b/epan/dissectors/packet-gtp.c @@ -4804,7 +4804,12 @@ decode_gtp_imeisv(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree proto_tree_add_item(ext_imeisv, hf_gtp_ext_length, tvb, offset, 2, FALSE); offset = offset +2; - /* IMEI(SV) */ + /* IMEI(SV) + * The structure of the IMEI and IMEISV are defined in sub-clause 6.2 of 3GPP TS 23.003 [2]. + * The 'IMEI(SV)' field shall contain the IMEISV if it is available. If only the IMEI is available, + * then the IMEI shall be placed in the IMEI(SV) field and the last semi-octet of octet 11 shall be + * set to '1111'. Both IMEI and IMEISV are BCD encoded. + */ proto_tree_add_item(ext_imeisv, hf_gtp_ext_imeisv, tvb, offset, length, FALSE); return 3 + length; |