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nixos/rxe: use iproute instead of rdma-core
The rdma-core packages dropped rxe_cfg in favour of iproute's rdma utility (see https://github.com/linux-rdma/rdma-core/pull/678/files)
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commit
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@ -5,20 +5,6 @@ with lib;
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let
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cfg = config.networking.rxe;
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runRxeCmd = cmd: ifcs:
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concatStrings ( map (x: "${pkgs.rdma-core}/bin/rxe_cfg -n ${cmd} ${x};") ifcs);
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startScript = pkgs.writeShellScriptBin "rxe-start" ''
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${pkgs.rdma-core}/bin/rxe_cfg -n start
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${runRxeCmd "add" cfg.interfaces}
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${pkgs.rdma-core}/bin/rxe_cfg
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'';
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stopScript = pkgs.writeShellScriptBin "rxe-stop" ''
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${runRxeCmd "remove" cfg.interfaces }
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${pkgs.rdma-core}/bin/rxe_cfg -n stop
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'';
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in {
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###### interface
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@ -31,9 +17,8 @@ in {
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example = [ "eth0" ];
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description = ''
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Enable RDMA on the listed interfaces. The corresponding virtual
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RDMA interfaces will be named rxe0 ... rxeN where the ordering
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will be as they are named in the list. UDP port 4791 must be
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open on the respective ethernet interfaces.
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RDMA interfaces will be named rxe_<interface>.
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UDP port 4791 must be open on the respective ethernet interfaces.
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'';
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};
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};
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@ -44,7 +29,6 @@ in {
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config = mkIf cfg.enable {
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systemd.services.rxe = {
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path = with pkgs; [ kmod rdma-core ];
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description = "RoCE interfaces";
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wantedBy = [ "multi-user.target" ];
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@ -54,8 +38,13 @@ in {
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${startScript}/bin/rxe-start";
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ExecStop = "${stopScript}/bin/rxe-stop";
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ExecStart = map ( x:
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"${pkgs.iproute}/bin/rdma link add rxe_${x} type rxe netdev ${x}"
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) cfg.interfaces;
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ExecStop = map ( x:
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"${pkgs.iproute}/bin/rdma link delete rxe_${x}"
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) cfg.interfaces;
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};
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};
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};
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@ -28,7 +28,7 @@ in {
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# Test if rxe interface comes up
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server.wait_for_unit("default.target")
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server.succeed("systemctl status rxe.service")
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server.succeed("ibv_devices | grep rxe0")
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server.succeed("ibv_devices | grep rxe_eth1")
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client.wait_for_unit("default.target")
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