add IE definitions for most MM/CC IEs
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181a12a419
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@ -4,16 +4,45 @@ grammar osmo_codegen;
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//language = Python;
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//}
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root :
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pdu_spec*
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(pdu_spec | ie_spec | ie_alias)*
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;
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ie_alias: 'ie_alias' ie_name ie_name;
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ie_name : ID;
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ie_spec : 'ie_spec' ID
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ie_field_def*
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'end_ie_spec'
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;
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ie_field_def
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: ie_field_name ie_field_len ie_field_type ie_field_opts
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;
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ie_field_name
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: ID;
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ie_field_len
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: (NUMERIC | '*');
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ie_field_type
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: ('byte' | 'bytes' | 'bit' | 'bits' | 'bcd');
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ie_field_opts
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: field_val? ie_field_cond? ie_field_endian?;
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ie_field_cond
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: 'if (' ie_field_name COMP_OP NUMERIC ')';
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ie_field_endian
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: ('big' | 'little');
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/* PDU */
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pdu_spec
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: 'pdu_spec' ID
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field_def*
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'end_pdu_spec'
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: 'pdu_spec' ID
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pdu_field_def*
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'end_pdu_spec'
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;
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field_mode
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pdu_field_mode
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: 'mand' | 'opt' | 'cond';
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field_val
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@ -22,27 +51,27 @@ field_val
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field_tag
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: 'tag' NUMERIC;
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field_size
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pdu_field_size
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: NUMERIC ('-' NUMERIC)? ;
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field_opts
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pdu_field_opts
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: ('uplink_only' | 'downlink_only')
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;
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field_type
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pdu_field_type
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: (
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('V4u' field_val?)
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| ('V4l' field_val?)
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| ('V' field_size field_val?)
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| ('TLV' field_size? field_val? field_tag)
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| ('LV' field_size field_val?)
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| ('TV' field_size field_val? field_tag)
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('V4u' field_val?)
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| ('V4l' field_val?)
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| ('V' pdu_field_size field_val?)
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| ('TLV' pdu_field_size? field_val? field_tag)
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| ('LV' pdu_field_size field_val?)
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| ('TV' pdu_field_size field_val? field_tag)
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| ('T' field_val? field_tag)
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| ('TV4' field_val? field_tag)
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) field_opts*;
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) pdu_field_opts*;
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field_def
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: ID field_mode field_type;
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pdu_field_def
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: ID pdu_field_mode pdu_field_type;
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/* LEXER RULES */
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@ -72,6 +101,8 @@ STRING
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: '"' ( ESC_SEQ | ~('\\'|'"') )* '"'
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;
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COMP_OP : '==' | '<' | '>' | '>=' | '<=' | '!=';
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fragment
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HEX_DIGIT : ('0'..'9'|'a'..'f'|'A'..'F') ;
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@ -0,0 +1,150 @@
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# 10.5.4.4 Auxiliary states
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ie_spec cc_auxiliary_states
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content_len 1 byte
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mpty_aux_state 2 bits
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hold_aux_state 2 bits
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spare 3 bits val 0
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ext 1 bit val 1
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end_ie_spec
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# 10.5.4.4a backup bearer capability: too complex
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# 10.5.4.5 bearer capability: too complex
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# 10.5.4.5a CC capabilities
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ie_spec cc_capabilities
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content_len 1 byte
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dtmf 1 bit
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pcp 1 bit
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enicm 1 bit
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spare 1 bit val 0
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max_supp_bearers 4 bit
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max_speech_bearers 4 bit
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spare2 4 bit val 0
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end_ie_spec
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# 10.5.4.6 Call state
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ie_spec cc_call_state
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call_state 6 bit
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coding_standard 2 bit
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end_ie_spec
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# 10.5.4.7 Called party BCD number
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ie_spec cc_called_party_bcd_number
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content_len 1 byte
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numbering_plan_id 4 bit
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type_of_number 3 bit
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ext 1 bit val 1
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digits * bcd
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end_ie_spec
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# 10.5.4.8 Called party subaddress
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ie_spec cc_called_party_subaddr
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content_len 1 byte
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spare 3 bit val 0
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odd_even_ind 1 bit
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type_of_subaddr 3 bit
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ext 1 bit val 1
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subaddr_info * byte
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end_ie_spec
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# 10.5.4.9 Calling party BCD number
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ie_spec cc_calling_party_bcd_number
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content_len 1 byte
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numbering_plan_id 4 bit
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type_of_number 3 bit
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ext1 1 bit
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screening_ind 2 bit if (ext1 == 0)
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spare 3 bit val 0 if (ext1 == 0)
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presentation_ind 2 bit if (ext1 == 0)
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ext2 1 bit val 1 if (ext1 == 0)
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digits * bcd
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end_ie_spec
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# 10.5.4.10 Calling party subaddress
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ie_alias cc_calling_party_subaddr cc_called_party_subaddr
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# 10.5.4.11 Cause
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ie_spec cc_cause
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content_len 1 byte
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location 4 bit
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spare 1 bit val 0
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coding_standard 2 bit
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ext1 1 bit
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recommendation 7 bit if (ext1 == 0)
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ext2 1 bit val 1 if (ext1 == 0)
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cause 7 bit
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ext3 1 bit val 1
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diagnostics * byte
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end_ie_spec
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# 10.5.4.11a CLIR suppression: no need
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# 10.5.4.11b CLIR invocation: no need
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# 10.5.4.12 Congestion level: no need
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# 10.5.4.13 Connected number
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ie_alias cc_connected_party_bcd_number cc_calling_party_bcd_number
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# 10.5.4.14 Connected subaddress
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ie_alias cc_connected_party_subaddr cc_called_party_subaddr
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# 10.5.4.15 Facility: no need
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# 10.5.4.16 Higher layer compatibility
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ie_spec cc_high_layer_compat
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content_len 1 byte
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pres_method 2 bit
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interpretation 3 bit
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ext1 1 bit val 1
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hl_charact_id 7 bit
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ext2 1 bit
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ext_hl_charact_id 7 bit if (ext1 == 0)
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ext3 1 bit val 1
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end_ie_spec
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# 10.5.4.17 Keypad facility: no need
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# 10.5.4.18 Low layer compatibility: no need
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# 10.5.4.19 More data: no need
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# 10.5.4.20 Notification ind: no need
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# 10.5.4.21 Progress ind
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ie_spec cc_progress_ind
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content_len 1 byte
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location 3 bit
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spare 1 bit val 0
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coding_standard 2 bit
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ext1 1 bit val 1
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progress_descr 7 bit
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ext2 1 bit val 1
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end_ie_spec
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# 10.5.4.21b Redirecting party BCD number
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ie_alias cc_redir_party_bcd_number cc_calling_party_bcd_number
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# 10.5.4.21c Redirecting party subaddr
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ie_alias cc_redir_party_subaddr cc_calling_party_subaddr
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# 10.5.4.22 Repeat indicator: no need (TV4)
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# 10.5.4.22a Reverse call setup direction: no need
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# 10.5.4.22b SETUP container: no need
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# 10.5.4.23 Signal: no need
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# 10.5.4.24 SS Version ind: no need
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# 10.5.4.25 User-user
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ie_spec cc_user_user
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content_len 1 byte
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pdisc 1 byte
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info * byte
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end_ie_spec
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# 10.5.4.26 Alerting Pattern: no need
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# 10.5.4.27 Allowed actions: no need
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# 10.5.4.28 Stream identifier: no need
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# 10.5.4.29 Network call control capabilities: no need
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# 10.5.4.30 Cause of no CLI: no need
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# 10.5.4.31 Void
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# 10.5.4.32 Supported codec list: too complex
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# 10.5.4.33 Service category: no need
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# 10.5.4.34 Redial: no need
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# 10.5.4.35: Network-initiated service upgrade indicator: no need
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@ -0,0 +1,58 @@
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# TODO: we always code bitfields from LSB to MSB, the parser needs to know that!
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ie_spec cell_identity
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cell_identity 16 bit big
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end_ie_spec
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# 10.5.1.3 Location Area ID
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ie_spec la_id
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mcc 3 bcd
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mnc 3 bcd
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lac 16 bit big
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end_ie_spec
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# 10.5.1.4 Mobile ID
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ie_spec mobile_id
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content_len 8 bit
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type 3 bit
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odd_even_ind 1 bit
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identity_digit * bcd
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end_ie_spec
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# 10.5.1.5 MS Classmark 1
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ie_spec ms_classmark1
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rf_pwr_capa 3 bit
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a51 1 bit
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es_ind 1 bit
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rev_level 2 bit
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spare 1 bit
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end_ie_spec
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# 10.5.1.6 MS Classmark 2
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ie_spec ms_classmark2
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content_len 8 bit
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rf_pwr_capa 3 bit
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a51 1 bit
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es_ind 1 bit
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rev_level 2 bit
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spare 1 bit
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fc 1 bit
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vgcs 1 bit
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vbs 1 bit
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sm_capa 1 bit
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ss_screen_ind 2 bit
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ps_capa 1 bit
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spare2 1 bit
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a52 1 bit
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a53 1 bit
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cmsp 1 bit
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solsa 1 bit
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ucs2 1 bit
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lcsva_capa 1 bit
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spare3 1 bit
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cm3 1 bit
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end_ie_spec
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# 10.5.1.7 MS Classmark 3: too complex
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# 10.5.1.11 Priority level: TV4, no need
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@ -0,0 +1,38 @@
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# 10.5.3.1 Auth parameter RAND: no need
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# 10.5.3.1.1 Auth parameter AUTN: no need
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# 10.5.3.2 Auth response parameter: no need
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# 10.5.3.2.1 Auth resp extension: no need
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# 10.5.3.2.2 Auth failure parameter: no need
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# 10.5.3.3 CM service type: no need (TV4)
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# 10.5.3.4 Identity type: no need (TV4)
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# 10.5.3.5 Location updating type: no need (TV4)
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# 10.5.3.5a Network Name
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ie_spec network_name
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num_spare_bits 3 bit
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add_ci 1 bit
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coding_scheme 3 bit
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ext 1 bit
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text * byte
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end_ie_spec
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# 10.5.3.6 Reject cause: no need, single byte
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# 10.5.3.7 Follow on proceed: no need (single byte)
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# 10.5.3.8 Time Zone: no need (single byte)
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# 10.6.3.9 Time Zone and Time
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ie_spec nitz
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year 2 bcd
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month 2 bcd
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day 2 bcd
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hour 2 bcd
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minute 2 bcd
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second 2 bcd
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time_zone 2 bcd
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end_ie_spec
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# 10.6.3.10 CTS permission: no need (single byte)
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# 10.5.3.11 LSA identifier: no need
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# 10.5.3.13 Emergency Number list (too complex)
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