Date: Sun, 26 Apr 2026 09:59:35 +0000 From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Timo =?utf-8?Q?V=C3=B6lker?= <timo.voelker@fh-muenster.de> Subject: git: 28932dc425e1 - main - tuntap: add SIOCGIFCAP and SIOCSIFCAP ioctls Message-ID: <69ede207.3b818.6c0b6b11@gitrepo.freebsd.org>
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The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=28932dc425e19267313d221c26d10d3638e1cc4b commit 28932dc425e19267313d221c26d10d3638e1cc4b Author: Timo Völker <timo.voelker@fh-muenster.de> AuthorDate: 2026-04-26 09:48:36 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2026-04-26 09:48:36 +0000 tuntap: add SIOCGIFCAP and SIOCSIFCAP ioctls Add SIOCGIFCAP ioctl-command for tun/tap character device to be used by bhyve for offloading in the future. Add SIOCSIFCAP for symmetry. Reviewed by: markj, pouria, tuexen MFC after: 1 week Event: Wiesbaden Hackathon 2026 Differential Revision: https://reviews.freebsd.org/D51289 --- sys/net/if_tuntap.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/sys/net/if_tuntap.c b/sys/net/if_tuntap.c index 3f8a96311725..a1ef2541ffba 100644 --- a/sys/net/if_tuntap.c +++ b/sys/net/if_tuntap.c @@ -1802,6 +1802,23 @@ tunioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, case FIOGETOWN: *(int *)data = fgetown(&tp->tun_sigio); return (0); + case SIOCGIFCAP: + ifrp = (struct ifreq *)data; + TUN_LOCK(tp); + ifrp->ifr_reqcap = ifp->if_capabilities; + ifrp->ifr_curcap = ifp->if_capenable; + TUN_UNLOCK(tp); + break; + case SIOCSIFCAP: + ifrp = (struct ifreq *)data; + if (ifrp->ifr_reqcap & ~ifp->if_capabilities) + return (EINVAL); + TUN_LOCK(tp); + ifp->if_capenable = ifrp->ifr_reqcap; + tun_caps_changed(ifp); + TUN_UNLOCK(tp); + VLAN_CAPABILITIES(ifp); + break; /* This is deprecated, FIOSETOWN should be used instead. */ case TIOCSPGRP:home | help
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