EF_TCP_SYNRECV_MAX - EF_TCP_SYNRECV_MAX - UG1586

Onload User Guide (UG1586)

Document_ID
UG1586
Release_Date
2026-06-08
Revision
1.5 English
Name
tcp_synrecv_max
Default
1024
Maximum
CI_CFG_NETIF_MAX_ENDPOINTS_MAX (default 1<<21)
Scope
per-stack

Places an upper limit on the number of embryonic (half-open) connections in an Onload stack. See also EF_TCP_BACKLOG_MAX.

By default, EF_TCP_SYNRECV_MAX = 4 * EF_TCP_BACKLOG_MAX.