diff options
Diffstat (limited to 'cmake/config/ipcp/unicast.cmake')
| -rw-r--r-- | cmake/config/ipcp/unicast.cmake | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cmake/config/ipcp/unicast.cmake b/cmake/config/ipcp/unicast.cmake index 3b5b0ce7..92eeae65 100644 --- a/cmake/config/ipcp/unicast.cmake +++ b/cmake/config/ipcp/unicast.cmake @@ -4,9 +4,30 @@ set(IPCP_UNICAST_TARGET ipcpd-unicast) set(IPCP_UNICAST_MPL 100 CACHE STRING "Default maximum packet lifetime for the Unicast IPCP, in ms") +set(IPCP_UNICAST_MTU 1400 CACHE STRING + "Layer MTU advertised by the Unicast IPCP, in bytes (TODO: derive per-flow from n-1 path MTU minus DT PCI)") set(PFT_SIZE 256 CACHE STRING "Prefix forwarding table size for the Unicast IPCP") +# Aggregate congestion-avoidance context interning. One ctx is shared +# per (peer, qos cube); this is the hash table bucket count. Must be a +# power of two (the bucket index masks with CA_BUCKETS - 1). +set(IPCP_CA_BUCKETS 64 CACHE STRING + "Hash buckets for aggregate CA context interning (power of two)") +math(EXPR IPCP_CA_BUCKETS_POW2 "${IPCP_CA_BUCKETS} & (${IPCP_CA_BUCKETS} - 1)") +if((IPCP_CA_BUCKETS LESS 1) OR (NOT IPCP_CA_BUCKETS_POW2 EQUAL 0)) + message(FATAL_ERROR "IPCP_CA_BUCKETS must be a positive power of two") +endif() + +# Per-flow (non-aggregated) congestion avoidance. Aggregate CA per +# (peer, qos cube) is the production behaviour; enable this only to +# build the legacy per-flow reference for A/B testing and bisection. +set(IPCP_CA_PER_FLOW FALSE CACHE BOOL + "Use per-flow congestion avoidance (testing only)") +if(IPCP_CA_PER_FLOW) + message(STATUS "IPCP per-flow congestion avoidance (testing build)") +endif() + # Protocol debugging set(DEBUG_PROTO_DHT FALSE CACHE BOOL "Add DHT protocol debug logging") |