6fa8d50254
This helps with pkgbase as it switches these to using CONFS so they are properly tagged as config files. Approved by: will (mentor), imp Differential Revision: https://reviews.freebsd.org/D16781
109 lines
3.6 KiB
Plaintext
109 lines
3.6 KiB
Plaintext
# $FreeBSD$
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#
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# Hyper-V specific events
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notify 10 {
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match "system" "DEVFS";
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match "subsystem" "CDEV";
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match "type" "CREATE";
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match "cdev" "hv_kvp_dev";
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action "/usr/sbin/hv_kvp_daemon";
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};
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notify 10 {
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match "system" "DEVFS";
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match "subsystem" "CDEV";
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match "type" "DESTROY";
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match "cdev" "hv_kvp_dev";
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action "pkill -x hv_kvp_daemon";
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};
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notify 11 {
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match "system" "DEVFS";
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match "subsystem" "CDEV";
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match "type" "CREATE";
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match "cdev" "hv_fsvss_dev";
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action "/usr/sbin/hv_vss_daemon";
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};
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notify 11 {
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match "system" "DEVFS";
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match "subsystem" "CDEV";
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match "type" "DESTROY";
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match "cdev" "hv_fsvss_dev";
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action "pkill -x hv_vss_daemon";
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};
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#
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# Rules for non-transparent network VF.
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#
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# How network VF works with hn(4) on Hyper-V in non-transparent mode:
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#
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# - Each network VF has a corresponding hn(4).
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# - The network VF and the it's corresponding hn(4) have the same hardware
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# address.
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# - Once the network VF is up, e.g. ifconfig VF up:
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# o All of the transmission should go through the network VF.
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# o Most of the reception goes through the network VF.
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# o Small amount of reception may go through the corresponding hn(4).
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# This reception will happen, even if the corresponding hn(4) is
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# down. The corresponding hn(4) will change the reception interface
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# to the network VF, so that network layer and application layer will
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# be tricked into thinking that these packets were received by the
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# network VF.
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# o The corresponding hn(4) pretends the physical link is down.
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# - Once the network VF is down or detached:
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# o All of the transmission should go through the corresponding hn(4).
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# o All of the reception goes through the corresponding hn(4).
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# o The corresponding hn(4) fallbacks to the original physical link
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# detection logic.
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#
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# All these features are mainly used to help live migration, during which
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# the network VF will be detached, while the network communication to the
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# VM must not be cut off. In order to reach this level of live migration
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# transparency, we use failover mode lagg(4) with the network VF and the
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# corresponding hn(4) attached to it.
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#
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# To ease user configuration for both network VF and non-network VF, the
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# lagg(4) will be created by the following rules, and the configuration
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# of the corresponding hn(4) will be applied to the lagg(4) automatically.
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#
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# NOTE:
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# If live migration is not needed at all, the following rules could be
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# commented out, and the network VF interface could be used exclusively.
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# Most often the corresponding hn(4) could be completely ignored.
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#
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#
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# Default workflow for the network VF bringup:
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# 1) ETHERNET/IFATTACH -> VF interface up (delayed by rc.conf hyperv_vf_delay
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# seconds). This operation will trigger HYPERV_NIC_VF/VF_UP.
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# 2) HYPERV_NIC_VF/VF_UP:
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# a) Create laggX coresponding to hnX.
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# b) Add hnX and VF to laggX.
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# c) Whack all previous network configuration on hnX, including stopping
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# dhclient.
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# d) Apply rc.conf ifconfig_hnX to laggX; i.e. including starting dhclient.
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#
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# NOTE:
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# HYPERV_NIC_VF/VF_UP action script could be customized per-interface by
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# adding /usr/libexec/hyperv/hyperv_vfup.hnX script.
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# /usr/libexec/hyperv/hyperv_vfup could be used as the template for the
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# customized per-interface script.
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#
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# NOTE:
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# For transparent network VF, hyperv_vfattach does nothing and
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# HYPERV_NIC_VF/VF_UP will not be triggered at all.
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#
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notify 10 {
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match "system" "HYPERV_NIC_VF";
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match "type" "VF_UP";
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action "/usr/libexec/hyperv/hyperv_vfup $subsystem";
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};
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notify 10 {
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match "system" "ETHERNET";
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match "type" "IFATTACH";
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action "/usr/libexec/hyperv/hyperv_vfattach $subsystem 0";
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};
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