diff options
Diffstat (limited to 'nixos/modules/services/networking/rxe.nix')
-rw-r--r-- | nixos/modules/services/networking/rxe.nix | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/nixos/modules/services/networking/rxe.nix b/nixos/modules/services/networking/rxe.nix new file mode 100644 index 00000000000..868e2c81ccb --- /dev/null +++ b/nixos/modules/services/networking/rxe.nix @@ -0,0 +1,52 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.networking.rxe; + +in { + ###### interface + + options = { + networking.rxe = { + enable = mkEnableOption "RDMA over converged ethernet"; + interfaces = mkOption { + type = types.listOf types.str; + default = [ ]; + example = [ "eth0" ]; + description = '' + Enable RDMA on the listed interfaces. The corresponding virtual + RDMA interfaces will be named rxe_<interface>. + UDP port 4791 must be open on the respective ethernet interfaces. + ''; + }; + }; + }; + + ###### implementation + + config = mkIf cfg.enable { + + systemd.services.rxe = { + description = "RoCE interfaces"; + + wantedBy = [ "multi-user.target" ]; + after = [ "systemd-modules-load.service" "network-online.target" ]; + wants = [ "network-pre.target" ]; + + serviceConfig = { + Type = "oneshot"; + RemainAfterExit = true; + ExecStart = map ( x: + "${pkgs.iproute2}/bin/rdma link add rxe_${x} type rxe netdev ${x}" + ) cfg.interfaces; + + ExecStop = map ( x: + "${pkgs.iproute2}/bin/rdma link delete rxe_${x}" + ) cfg.interfaces; + }; + }; + }; +} + |