diff options
Diffstat (limited to 'pkgs/os-specific/linux/spectrum')
| -rw-r--r-- | pkgs/os-specific/linux/spectrum/testhost/default.nix | 25 | ||||
| -rw-r--r-- | pkgs/os-specific/linux/spectrum/vm/app/default.nix | 15 | ||||
| -rw-r--r-- | pkgs/os-specific/linux/spectrum/vm/net/default.nix | 13 |
3 files changed, 23 insertions, 30 deletions
diff --git a/pkgs/os-specific/linux/spectrum/testhost/default.nix b/pkgs/os-specific/linux/spectrum/testhost/default.nix index 21c585f1490..de62f0add67 100644 --- a/pkgs/os-specific/linux/spectrum/testhost/default.nix +++ b/pkgs/os-specific/linux/spectrum/testhost/default.nix @@ -45,23 +45,20 @@ let if { ip link set br0 up } # Calculate the MACs for our TAP and the router's TAP. - backtick -in router_nic_dec { - expr ${toString sys-vms.app.vmID} * 2 + 64 * 256 * 256 - } - backtick -in client_nic_dec { - expr ${toString sys-vms.app.vmID} * 2 + 64 * 256 * 256 + 1 - } - multisubstitute { - importas -iu router_nic_dec router_nic_dec - importas -iu client_nic_dec client_nic_dec - } + # MAC address format, by octet: + # + # 0-3 Static OUI for Spectrum + # 4 Most significant bit is used to differentiate + # routers from clients. Other bits are reserved. + # 5-6 Last two octets of client's IP (in 100.64.0.0/16). + # backtick -i router_mac { - pipeline { printf %x $router_nic_dec } - sed s/^\\(..\\)\\(..\\)\\(..\\)$/0A:B3:EC:\\1:\\2:\\3/ + pipeline { printf %.4x ${toString sys-vms.app.vmID} } + sed s/^\\(..\\)\\(..\\)$/0A:B3:EC:80:\\1:\\2/ } backtick -i client_mac { - pipeline { printf %x $client_nic_dec } - sed s/^\\(..\\)\\(..\\)\\(..\\)$/0A:B3:EC:\\1:\\2:\\3/ + pipeline { printf %.4x ${toString sys-vms.app.vmID} } + sed s/^\\(..\\)\\(..\\)$/0A:B3:EC:00:\\1:\\2/ } multisubstitute { importas -iu router_mac router_mac diff --git a/pkgs/os-specific/linux/spectrum/vm/app/default.nix b/pkgs/os-specific/linux/spectrum/vm/app/default.nix index 65dbb51f5e1..f8ff480932c 100644 --- a/pkgs/os-specific/linux/spectrum/vm/app/default.nix +++ b/pkgs/os-specific/linux/spectrum/vm/app/default.nix @@ -28,20 +28,15 @@ runCommand "vm-app" rec { up = writeText "net-up" '' backtick -i LOCAL_IP { pipeline { ip -j link show eth0 } - pipeline { jq -r ".[0].address | split(\":\") | .[3:6] | \"0x\" + .[]" } - xargs printf "100.%d.%d.%d" + pipeline { jq -r ".[0].address | split(\":\") | .[4:6] | \"0x\" + .[]" } + xargs printf "100.64.%d.%d" } importas -iu LOCAL_IP LOCAL_IP - backtick -i REMOTE_IP { - jq -jn --arg localip $LOCAL_IP - "$localip | split(\".\") | .[3] |= tonumber - 1 | join(\".\")" - } - importas -iu REMOTE_IP REMOTE_IP - - if { ip address add ''${LOCAL_IP}/31 dev eth0 } + if { ip address add ''${LOCAL_IP}/32 dev eth0 } if { ip link set eth0 up } - ip route add default via $REMOTE_IP + if { ip route add 169.254.0.1 dev eth0 } + ip route add default via 169.254.0.1 dev eth0 ''; }; diff --git a/pkgs/os-specific/linux/spectrum/vm/net/default.nix b/pkgs/os-specific/linux/spectrum/vm/net/default.nix index 1deb7031caf..5921b62fcf7 100644 --- a/pkgs/os-specific/linux/spectrum/vm/net/default.nix +++ b/pkgs/os-specific/linux/spectrum/vm/net/default.nix @@ -54,15 +54,16 @@ runCommand "vm-net" rec { # Our IP is encoded in the NIC-specific portion of the # interface's MAC address. - backtick -i LOCAL_IP { + backtick -i CLIENT_IP { pipeline { ip -j link show $INTERFACE } - pipeline { jq -r ".[0].address | split(\":\") | .[3:6] | \"0x\" + .[]" } - xargs printf "100.%d.%d.%d" + pipeline { jq -r ".[0].address | split(\":\") | .[4:6] | \"0x\" + .[]" } + xargs printf "100.64.%d.%d" } - importas -iu LOCAL_IP LOCAL_IP + importas -iu CLIENT_IP CLIENT_IP - if { ip address add ''${LOCAL_IP}/31 dev $INTERFACE } - ip link set $INTERFACE up + if { ip address add 169.254.0.1/32 dev $INTERFACE } + if { ip link set $INTERFACE up } + ip route add $CLIENT_IP dev $INTERFACE } { |