blob: 07437ed71195bdb5867c92f12b618dd04a9c53fc (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.networking.rxe;
in {
###### interface
options = {
networking.rxe = {
enable = mkEnableOption (lib.mdDoc "RDMA over converged ethernet");
interfaces = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "eth0" ];
description = lib.mdDoc ''
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" "network-online.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;
};
};
};
}
|