diff options
Diffstat (limited to 'cmake/dependencies/eth/netmap.cmake')
| -rw-r--r-- | cmake/dependencies/eth/netmap.cmake | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/cmake/dependencies/eth/netmap.cmake b/cmake/dependencies/eth/netmap.cmake index 94ecd634..b31c4d03 100644 --- a/cmake/dependencies/eth/netmap.cmake +++ b/cmake/dependencies/eth/netmap.cmake @@ -1,18 +1,22 @@ -# netmap support (optional acceleration) +# netmap support (kernel bypass). Explicit opt-in. find_path(NETMAP_C_INCLUDE_DIR net/netmap_user.h HINTS /usr/include /usr/local/include) mark_as_advanced(NETMAP_C_INCLUDE_DIR) -if(NOT HAVE_RAW_SOCKETS AND NOT HAVE_BPF AND NETMAP_C_INCLUDE_DIR) - set(DISABLE_NETMAP FALSE CACHE BOOL - "Disable netmap support for ETH IPCPs") - if(NOT DISABLE_NETMAP) - message(STATUS "Netmap support for Ethernet IPCPs enabled") - set(HAVE_NETMAP TRUE) - else() - message(STATUS "Netmap support for Ethernet IPCPs disabled by user") - unset(HAVE_NETMAP) +set(ENABLE_NETMAP FALSE CACHE BOOL + "Use netmap for Ethernet PoAs, overriding raw sockets or BPF") + +if(ENABLE_NETMAP) + if(NOT NETMAP_C_INCLUDE_DIR) + message(FATAL_ERROR "ENABLE_NETMAP is set, but netmap was not found.") endif() + + message(STATUS "Netmap support for Ethernet PoAs enabled") + + set(HAVE_NETMAP TRUE) + + unset(HAVE_RAW_SOCKETS) + unset(HAVE_BPF) endif() |