Date: Mon, 29 Dec 2025 18:44:30 +0000 From: Michael Osipov <michaelo@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 108f057e50ca - stable/14 - bhyve: Document that MAC address has to be unicast Message-ID: <6952cc0e.3627e.36646102@gitrepo.freebsd.org>
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The branch stable/14 has been updated by michaelo: URL: https://cgit.FreeBSD.org/src/commit/?id=108f057e50cafdbec62785a2c4a53fde6142b99f commit 108f057e50cafdbec62785a2c4a53fde6142b99f Author: Michael Osipov <michaelo@FreeBSD.org> AuthorDate: 2025-12-26 13:40:37 +0000 Commit: Michael Osipov <michaelo@FreeBSD.org> CommitDate: 2025-12-29 18:41:10 +0000 bhyve: Document that MAC address has to be unicast bhyve accepts any MAC address even foreign as long it is a unicast one. Reviewed by: ziaee MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D54372 (cherry picked from commit e1bfd541c7cdee1e184cacb2ea3bbebb3a500dfb) --- usr.sbin/bhyve/bhyve.8 | 3 ++- usr.sbin/bhyve/bhyve_config.5 | 12 ++++++++---- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/usr.sbin/bhyve/bhyve.8 b/usr.sbin/bhyve/bhyve.8 index 9f2934e27c6d..a6e1f772a81f 100644 --- a/usr.sbin/bhyve/bhyve.8 +++ b/usr.sbin/bhyve/bhyve.8 @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd December 23, 2025 +.Dd December 26, 2025 .Dt BHYVE 8 .Os .Sh NAME @@ -429,6 +429,7 @@ If is not specified, the MAC address is derived from a fixed OUI and the remaining bytes from an MD5 hash of the slot and function numbers and the device name. +If specified, it must be a unicast MAC address. .Pp The MAC address is an ASCII string in .Xr ethers 5 diff --git a/usr.sbin/bhyve/bhyve_config.5 b/usr.sbin/bhyve/bhyve_config.5 index c2c13c845117..bf9920269d38 100644 --- a/usr.sbin/bhyve/bhyve_config.5 +++ b/usr.sbin/bhyve/bhyve_config.5 @@ -492,8 +492,10 @@ Intel e82545 network interfaces support the following variables: .It Sy Name Ta Sy Format Ta Sy Default Ta Sy Description .It Va mac Ta MAC address Ta generated Ta MAC address. -If an explicit address is not provided, -a MAC address is generated from a hash of the device's PCI address. +If not specified, the MAC address is derived from a fixed OUI, and the +remaining bytes from an MD5 hash of the slot and function numbers and +the device name. +If specified, it must be a unicast MAC address. .El .Ss Frame Buffer Settings .Bl -column "password" "[IP:]port" "127.0.0.1:5900" @@ -732,8 +734,10 @@ VirtIO network interfaces support the following variables: .It Sy Name Ta Sy Format Ta Sy Default Ta Sy Description .It Va mac Ta MAC address Ta generated Ta MAC address. -If an explicit address is not provided, -a MAC address is generated from a hash of the device's PCI address. +If not specified, the MAC address is derived from a fixed OUI, and the +remaining bytes from an MD5 hash of the slot and function numbers and +the device name. +If specified, it must be a unicast MAC address. .It Va mtu Ta integer Ta 1500 Ta The largest supported MTU advertised to the guest. .Elhome | help
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