Logical Link Control and Adaptation Protocol🔗
(TCRL 2023-1, L2CAP.ICS.p25ed3)
L2CAP Transport Configuration🔗
Table 0: L2CAP Transport Configuration
Parameter Name |
Selected |
Description |
|---|---|---|
TSPC_L2CAP_0_1 |
BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles) (C.1) |
|
TSPC_L2CAP_0_2 |
LE (C.2) |
|
TSPC_L2CAP_0_3 |
x |
BR/EDR/LE (C.3) |
C.1: Mandatory IF SUM ICS 32/1 “Logical Link Control and Adaptation Protocol (L2CAP)”, otherwise Excluded.
C.2: Mandatory IF SUM ICS 34/1 “Logical Link Control and Adaptation Protocol (L2CAP)”, otherwise Excluded.
C.3: Mandatory IF SUM ICS 32/1 “Logical Link Control and Adaptation Protocol (L2CAP)” AND SUM ICS 34/1 “Logical Link Control and Adaptation Protocol (L2CAP)”, otherwise Excluded.
Capability Statement🔗
Table 1: Role Requirements
Parameter Name |
Selected |
Description |
|---|---|---|
TSPC_L2CAP_1_1 |
x |
Data Channel Initiator (C.3) |
TSPC_L2CAP_1_2 |
x |
Data Channel Acceptor (C.1) |
TSPC_L2CAP_1_3 |
x |
LE Central (C.2) |
TSPC_L2CAP_1_4 |
x |
LE Peripheral (C.2) |
TSPC_L2CAP_1_5 |
LE Data Channel Initiator (C.4) |
|
TSPC_L2CAP_1_6 |
LE Data Channel Acceptor (C.5) |
C.1: Mandatory IF L2CAP 0/1 “BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles)” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.2: Mandatory to support at least one IF L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.3: Optional IF L2CAP 0/1 “BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles)” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.4: Optional IF (L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”) AND L2CAP 2/46 “LE Credit Based Flow Control Mode”, otherwise Excluded.
C.5: Mandatory IF (L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”) AND L2CAP 2/46 “LE Credit Based Flow Control Mode”, otherwise Excluded.
Capability Statement🔗
Table 2: General Operation
Parameter Name |
Selected |
Description |
|---|---|---|
TSPC_L2CAP_2_1 |
x |
L2CAP Signaling channel over BR/EDR (C.16) |
TSPC_L2CAP_2_2 |
x |
Configuration process (C.16) |
TSPC_L2CAP_2_3 |
x |
Connection-oriented data channel over BR/EDR (C.16) |
TSPC_L2CAP_2_4 |
x |
Send echo request (C.17) |
TSPC_L2CAP_2_5 |
x |
Send echo response (C.16) |
TSPC_L2CAP_2_6 |
x |
Send information request (C.17) |
TSPC_L2CAP_2_7 |
x |
Send information response (C.16) |
TSPC_L2CAP_2_10 |
Retransmission mode (C.17) |
|
TSPC_L2CAP_2_11 |
Flow Control mode (C.17) |
|
TSPC_L2CAP_2_12 |
x |
Enhanced Retransmission Mode (C.11) |
TSPC_L2CAP_2_13 |
x |
Streaming Mode (O) |
TSPC_L2CAP_2_14 |
x |
FCS Option (C.1) |
TSPC_L2CAP_2_15 |
Generate Local Busy Condition (C.2) |
|
TSPC_L2CAP_2_16 |
Send Reject (C.2) |
|
TSPC_L2CAP_2_17 |
x |
Send Selective Reject (C.2) |
TSPC_L2CAP_2_18 |
Mandatory use of ERTM (C.3) |
|
TSPC_L2CAP_2_19 |
Mandatory use of Streaming Mode (C.4) |
|
TSPC_L2CAP_2_20 |
x |
Optional use of ERTM (C.3) |
TSPC_L2CAP_2_21 |
x |
Optional use of Streaming Mode (C.4) |
TSPC_L2CAP_2_22 |
x |
Send data using SAR in ERTM (C.5) |
TSPC_L2CAP_2_23 |
x |
Send data using SAR in Streaming Mode (C.6) |
TSPC_L2CAP_2_24 |
x |
Actively request Basic Mode for a PSM that supports the use of ERTM or Streaming Mode (C.1) |
TSPC_L2CAP_2_25 |
x |
Performing L2CAP channel mode configuration fallback from Streaming Mode to ERTM (C.8) |
TSPC_L2CAP_2_26 |
Sending more than one unacknowledged I-Frame when operating in ERTM (C.5) |
|
TSPC_L2CAP_2_27 |
Sending more than three unacknowledged I-Frame when operating in ERTM (C.5) |
|
TSPC_L2CAP_2_28 |
x |
Peer TxWindow configuration greater than 1 (C.5) |
TSPC_L2CAP_2_29 |
AMP (C.24) |
|
TSPC_L2CAP_2_30 |
x |
Fixed channel(s) (C.11) |
TSPC_L2CAP_2_31 |
AMP Manager (C.18) |
|
TSPC_L2CAP_2_32 |
ERTM over AMP (C.25) |
|
TSPC_L2CAP_2_33 |
Streaming Mode Source over AMP (C.12) |
|
TSPC_L2CAP_2_34 |
Streaming Mode Sink over AMP (C.12) |
|
TSPC_L2CAP_2_35 |
Unicast Connectionless Data, Reception (O) |
|
TSPC_L2CAP_2_36 |
Ability to transmit an unencrypted packet over a Unicast connectionless L2CAP channel (O) |
|
TSPC_L2CAP_2_37 |
Ability to transmit an encrypted packet over a Unicast connectionless L2CAP channel (O) |
|
TSPC_L2CAP_2_38 |
Extended Flow Specification for BR/EDR (C.1) |
|
TSPC_L2CAP_2_39 |
Extended Window Size (C.1) |
|
TSPC_L2CAP_2_40 |
x |
L2CAP LE Signaling channel (C.13) |
TSPC_L2CAP_2_41 |
x |
Command reject (C.13) |
TSPC_L2CAP_2_42 |
x |
Send Connection Parameter Update Request (C.14) |
TSPC_L2CAP_2_43 |
x |
Send Connection Parameter Update Response (C.15) |
TSPC_L2CAP_2_44 |
Extended Flow Specification for AMP (C.18) |
|
TSPC_L2CAP_2_45 |
x |
Send Disconnect Request Command (C.21) |
TSPC_L2CAP_2_45a |
Send Disconnect Request Command - LE (C.22) |
|
TSPC_L2CAP_2_46 |
LE Credit Based Flow Control Mode (C.19) |
|
TSPC_L2CAP_2_47 |
LE Data Channel (C.20) |
|
TSPC_L2CAP_2_48 |
Enhanced Credit Based Flow Control Mode (C.23) |
|
TSPC_L2CAP_2_48a |
Enhanced Credit Based Flow Control Mode - BR/EDR (C.26) |
|
TSPC_L2CAP_2_48b |
Enhanced Credit Based Flow Control Mode - LE (C.27) |
O: Optional
C.1: Optional IF L2CAP 2/12 “Enhanced Retransmission Mode” OR L2CAP 2/13 “Streaming Mode”, otherwise Excluded.
C.2: Optional IF L2CAP 2/12 “Enhanced Retransmission Mode” AND L2CAP 2/28 “Peer TxWindow configuration greater than 1”, otherwise Excluded.
C.3: Mandatory to support at least one IF L2CAP 2/12 “Enhanced Retransmission Mode”, otherwise Excluded.
C.4: Mandatory to support at least one IF L2CAP 2/13 “Streaming Mode”, otherwise Excluded.
C.5: Optional IF L2CAP 2/12 “Enhanced Retransmission Mode”, otherwise Excluded.
C.6: Optional IF L2CAP 2/13 “Streaming Mode”, otherwise Excluded.
C.8: Mandatory IF L2CAP 2/12 “Enhanced Retransmission Mode” AND L2CAP 2/13 “Streaming Mode” AND L2CAP 2/21 “Optional use of Streaming Mode”, otherwise Excluded.
C.11: Mandatory IF SUM ICS 31/18 “Core v4.2+HS”, otherwise Optional.
C.12: Optional IF L2CAP 2/29 “AMP”, otherwise Excluded.
C.13: Mandatory IF L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.14: Optional IF L2CAP 1/4 “LE Peripheral”, otherwise Excluded.
C.15: Mandatory IF L2CAP 1/3 “LE Central”, otherwise Excluded.
C.16: Mandatory IF L2CAP 0/1 “BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles)” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.17: Optional IF L2CAP 0/1 “BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles)” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.18: Mandatory IF L2CAP 2/29 “AMP”, otherwise Excluded.
C.19: Optional IF L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.20: Mandatory IF L2CAP 2/46 “LE Credit Based Flow Control Mode”, otherwise Excluded.
C.21: Optional IF L2CAP 2/1 “L2CAP Signaling channel over BR/EDR”, otherwise Excluded.
C.22: Optional IF L2CAP 2/40 “L2CAP LE Signaling channel” AND L2CAP 2/46 “LE Credit Based Flow Control Mode”, otherwise Excluded.
C.23: Excluded IF SUM ICS 31/17 “Core v4.2” OR SUM ICS 31/18 “Core v4.2+HS” OR SUM ICS 31/19 “Core v5.0” OR SUM ICS 31/20 “Core v5.1”, otherwise Optional.
C.24: Mandatory IF SUM ICS 31/18 “Core v4.2+HS”, otherwise Optional IF SUM ICS 31/17 “Core v4.2” OR SUM ICS 31/19 “Core v5.0” OR SUM ICS 31/20 “Core v5.1” OR SUM ICS 31/21 “Core v5.2”, otherwise Excluded.
C.25: Optional IF L2CAP 2/12 “Enhanced Retransmission Mode” AND L2CAP 2/29 “AMP”, otherwise Excluded.
C.26: Optional IF L2CAP 2/48 “Enhanced Credit Based Flow Control Mode” AND (L2CAP 0/1 “BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles)” OR L2CAP 0/3 “BR/EDR/LE”), otherwise Excluded.
C.27: Optional IF L2CAP 2/48 “Enhanced Credit Based Flow Control Mode” AND (L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”), otherwise Excluded.
Capability Statement🔗
Table 3: Configurable Parameters
Parameter Name |
Selected |
Description |
|---|---|---|
TSPC_L2CAP_3_1 |
x |
RTX timer (M) |
TSPC_L2CAP_3_2 |
x |
ERTX timer (C.4) |
TSPC_L2CAP_3_3 |
x |
Minimum MTU size of 48 octets (C.4) |
TSPC_L2CAP_3_4 |
x |
MTU size larger than 48 octets (C.5) |
TSPC_L2CAP_3_5 |
x |
Flush timeout value for reliable channel (C.4) |
TSPC_L2CAP_3_6 |
x |
Flush timeout value for unreliable channel (C.5) |
TSPC_L2CAP_3_7 |
x |
Bi-directional quality of service (QoS) option field (C.1) |
TSPC_L2CAP_3_8 |
Negotiate QoS service type (C.5) |
|
TSPC_L2CAP_3_9 |
Negotiate and support service type ‘No traffic’ (C.2) |
|
TSPC_L2CAP_3_10 |
Negotiate and support service type ‘Best effort’ (C.3) |
|
TSPC_L2CAP_3_11 |
Negotiate and support service type ‘Guaranteed’ (C.2) |
|
TSPC_L2CAP_3_12 |
x |
Minimum MTU size of 23 octets (C.6) |
TSPC_L2CAP_3_13 |
Negotiate and support service type ‘No traffic’ for Extended Flow Specification (C.7) |
|
TSPC_L2CAP_3_14 |
Negotiate and support service type ‘Best Effort’ for Extended Flow Specification (C.8) |
|
TSPC_L2CAP_3_15 |
Negotiate and support service type ‘Guaranteed’ for Extended Flow Specification. (C.7) |
|
TSPC_L2CAP_3_16 |
Support Multiple Simultaneous LE Data Channels (C.10) |
M: Mandatory
C.1: Mandatory IF L2CAP 3/8 “Negotiate QoS service type”, otherwise Optional.
C.2: Optional IF L2CAP 3/8 “Negotiate QoS service type”, otherwise Excluded.
C.3: Mandatory IF L2CAP 3/8 “Negotiate QoS service type”, otherwise Excluded.
C.4: Mandatory IF L2CAP 0/1 “BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles)” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.5: Optional IF L2CAP 0/1 “BR/EDR (includes possible support of GAP LE Broadcaster or LE Observer roles)” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.6: Mandatory IF L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”, otherwise Excluded.
C.7: Optional IF L2CAP 2/44 “Extended Flow Specification for AMP” OR L2CAP 2/38 “Extended Flow Specification for BR/EDR”, otherwise Excluded.
C.8: Mandatory IF L2CAP 2/44 “Extended Flow Specification for AMP” OR L2CAP 2/38 “Extended Flow Specification for BR/EDR”, otherwise Excluded.
C.10: Optional IF L2CAP 2/47 “LE Data Channel”, otherwise Excluded.
Capability Statement🔗
Table 4: GAP Requirements - Security Aspects (LE)
Parameter Name |
Selected |
Description |
|---|---|---|
TSPC_L2CAP_4_1 |
Authentication procedure (LE) (C.1) |
|
TSPC_L2CAP_4_2 |
Authorization procedure (LE) (C.1) |
|
TSPC_L2CAP_4_3 |
x |
Encryption procedure (C.2) |
C.1: Optional IF L2CAP 0/2 “LE” OR L2CAP 0/3 “BR/EDR/LE”, otherwise not defined.
C.2: Mandatory IF GAP 25/6 “Authenticate signed data procedure” OR GAP 25/7 “Authenticated Pairing (LE security mode 1 level 3)” OR GAP 25/9 “LE security mode 1 level 4” OR GAP 35/6 “Authenticate signed data procedure” OR GAP 35/7 “Authenticated Pairing (LE security mode 1 level 3)” OR GAP 35/9 “LE security mode 1 level 4”, otherwise Optional.
Capability Statement🔗
Table 5: GAP Requirements - Security Aspects (BR/EDR)
Parameter Name |
Selected |
Description |
|---|---|---|
TSPC_L2CAP_5_1 |
Authentication procedure (BR/EDR) (C.1) |
|
TSPC_L2CAP_5_2 |
Authorization procedure (BR/EDR) (O) |
O: Optional
C.1: Mandatory IF GAP 2/1 “Authentication procedure”, otherwise Optional.