l2test: invalid option -- '-' l2test - L2CAP testing Usage: l2test <mode> [options] [bdaddr] Modes: -r listen and receive -w listen and send -d listen and dump incoming data -x listen, then send, then dump incoming data -t listen, then send and receive at the same time -q connect, then send and receive at the same time -s connect and send -u connect and receive -n connect and be silent -y connect, then send, then dump incoming data -c connect, disconnect, connect, ... -m multiple connects -p trigger dedicated bonding -z information request Options: [-b bytes] [-i device] [-P psm] [-J cid] [-I imtu] [-O omtu] [-L seconds] enable SO_LINGER [-W seconds] enable deferred setup [-B filename] use data packets from file [-N num] send num frames (default = infinite) [-C num] send num frames before delay (default = 1) [-D milliseconds] delay after sending num frames (default = 0) [-K milliseconds] delay before receiving (default = 0) [-g milliseconds] delay before disconnecting (default = 0) [-X mode] l2cap mode (help for list, default = basic) [-a policy] chan policy (help for list, default = bredr) [-F fcs] use CRC16 check (default = 1) [-Q num] Max Transmit value (default = 3) [-Z size] Transmission Window size (default = 63) [-Y priority] socket priority [-H size] Maximum receive buffer size [-R] reliable mode [-G] use connectionless channel (datagram) [-U] use sock stream [-A] request authentication [-E] request encryption [-S] secure connection [-M] become master [-T] enable timestamps [-V type] address type (help for list, default = bredr) [-e seq] initial sequence value (default = 0)

l2test: invalid option -- '-' l2test - L2CAP testing Usage: l2test <mode> [options] [bdaddr] Modes: -r listen and receive -w listen and send -d listen and dump incoming data -x listen, then send, then dump incoming data -t listen, then send and receive at the same time -q connect, then send and receive at the same time -s connect and send -u connect and receive -n connect and be silent -y connect, then send, then dump incoming data -c connect, disconnect, connect, ... -m multiple connects -p trigger dedicated bonding -z information request Options: [-b bytes] [-i device] [-P psm] [-J cid] [-I imtu] [-O omtu] [-L seconds] enable SO_LINGER [-W seconds] enable deferred setup [-B filename] use data packets from file [-N num] send num frames (default = infinite) [-C num] send num frames before delay (default = 1) [-D milliseconds] delay after sending num frames (default = 0) [-K milliseconds] delay before receiving (default = 0) [-g milliseconds] delay before disconnecting (default = 0) [-X mode] l2cap mode (help for list, default = basic) [-a policy] chan policy (help for list, default = bredr) [-F fcs] use CRC16 check (default = 1) [-Q num] Max Transmit value (default = 3) [-Z size] Transmission Window size (default = 63) [-Y priority] socket priority [-H size] Maximum receive buffer size [-R] reliable mode [-G] use connectionless channel (datagram) [-U] use sock stream [-A] request authentication [-E] request encryption [-S] secure connection [-M] become master [-T] enable timestamps [-V type] address type (help for list, default = bredr) [-e seq] initial sequence value (default = 0)