config.h¶

GNRC TCP configuration.

GNRC_TCP_CONNECTION_TIMEOUT_DURATION¶

Timeout duration for user calls.

(120U * US_PER_SEC)

Default is 2 minutes.

GNRC_TCP_MSL¶

Maximum segment lifetime (MSL).

(30U * US_PER_SEC)

Default is 30 seconds.

GNRC_TCP_MSS¶

Maximum Segement Size (MSS).

(1220U)

If IPv6 is used. Get MSS = 1280 - IPv6 Hdr - TCP Hdr = 1220

GNRC_TCP_MSS_MULTIPLICATOR¶

MSS Multiplicator = Number of MSS sized packets stored in receive buffer.

(1U)

GNRC_TCP_DEFAULT_WINDOW¶

Default receive window size.

(GNRC_TCP_MSS * GNRC_TCP_MSS_MULTIPLICATOR)

GNRC_TCP_RCV_BUFFERS¶

Number of preallocated receive buffers.

(1U)

GNRC_TCP_RCV_BUF_SIZE¶

Default receive buffer size.

(GNRC_TCP_DEFAULT_WINDOW)

GNRC_TCP_RTO_LOWER_BOUND¶

Lower bound for RTO = 1 sec (see RFC 6298)

(1U * US_PER_SEC)

GNRC_TCP_RTO_UPPER_BOUND¶

Upper bound for RTO = 60 sec (see RFC 6298)

(60U * US_PER_SEC)

GNRC_TCP_RTO_GRANULARITY¶

Assumes clock granularity for TCP of 10 ms (see RFC 6298)

(10U * MS_PER_SEC)

GNRC_TCP_RTO_A_DIV¶

Alpha value for RTO calculation, default is 1/8.

(8U)

GNRC_TCP_RTO_B_DIV¶

Beta value for RTO calculation, default is 1/4.

(4U)

GNRC_TCP_RTO_K¶

K value for RTO calculation, default is 4.

(4U)

GNRC_TCP_PROBE_LOWER_BOUND¶

Lower bound for the duration between probes.

(1U * US_PER_SEC)

GNRC_TCP_PROBE_UPPER_BOUND¶

Upper bound for the duration between probes.

(60U * US_PER_SEC)