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author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-09-27 12:48:48 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-09-27 12:48:48 -0700 |
commit | 12cc5240f41a90b7fabc075c92c04846670c6932 (patch) | |
tree | a19bb524b8c2ed7bdda337cf8715e7efb350b623 /Documentation/virt | |
parent | 0c33037c825e47f64f426999db7192604e6d3188 (diff) | |
parent | 381d2f95c8aa575d5d42bf1fe0ea9a70c4bec0cf (diff) |
Merge tag 'uml-for-linus-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Richard Weinberger:
- Removal of dead code (TT mode leftovers, etc)
- Fixes for the network vector driver
- Fixes for time-travel mode
* tag 'uml-for-linus-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
um: fix time-travel syscall scheduling hack
um: Remove outdated asm/sysrq.h header
um: Remove the declaration of user_thread function
um: Remove the call to SUBARCH_EXECVE1 macro
um: Remove unused mm_fd field from mm_id
um: Remove unused fields from thread_struct
um: Remove the redundant newpage check in update_pte_range
um: Remove unused kpte_clear_flush macro
um: Remove obsoleted declaration for execute_syscall_skas
user_mode_linux_howto_v2: add VDE vector support in doc
vector_user: add VDE support
um: remove ARCH_NO_PREEMPT_DYNAMIC
um: vector: Fix NAPI budget handling
um: vector: Replace locks guarding queue depth with atomics
um: remove variable stack array in os_rcv_fd_msg()
Diffstat (limited to 'Documentation/virt')
-rw-r--r-- | Documentation/virt/uml/user_mode_linux_howto_v2.rst | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/virt/uml/user_mode_linux_howto_v2.rst b/Documentation/virt/uml/user_mode_linux_howto_v2.rst index 27942446f406..584000b743f3 100644 --- a/Documentation/virt/uml/user_mode_linux_howto_v2.rst +++ b/Documentation/virt/uml/user_mode_linux_howto_v2.rst @@ -217,6 +217,8 @@ remote UML and other VM instances. +-----------+--------+------------------------------------+------------+ | fd | vector | dependent on fd type | varies | +-----------+--------+------------------------------------+------------+ +| vde | vector | dep. on VDE VPN: Virt.Net Locator | varies | ++-----------+--------+------------------------------------+------------+ | tuntap | legacy | none | ~ 500Mbit | +-----------+--------+------------------------------------+------------+ | daemon | legacy | none | ~ 450Mbit | @@ -573,6 +575,41 @@ https://github.com/NetSys/bess/wiki/Built-In-Modules-and-Ports BESS transport does not require any special privileges. +VDE vector transport +-------------------- + +Virtual Distributed Ethernet (VDE) is a project whose main goal is to provide a +highly flexible support for virtual networking. + +http://wiki.virtualsquare.org/#/tutorials/vdebasics + +Common usages of VDE include fast prototyping and teaching. + +Examples: + + ``vecX:transport=vde,vnl=tap://tap0`` + +use tap0 + + ``vecX:transport=vde,vnl=slirp://`` + +use slirp + + ``vec0:transport=vde,vnl=vde:///tmp/switch`` + +connect to a vde switch + + ``vecX:transport=\"vde,vnl=cmd://ssh remote.host //tmp/sshlirp\"`` + +connect to a remote slirp (instant VPN: convert ssh to VPN, it uses sshlirp) +https://github.com/virtualsquare/sshlirp + + ``vec0:transport=vde,vnl=vxvde://234.0.0.1`` + +connect to a local area cloud (all the UML nodes using the same +multicast address running on hosts in the same multicast domain (LAN) +will be automagically connected together to a virtual LAN. + Configuring Legacy transports ============================= |