Merge ^/head r364251 through r364263.

Correct the mask byte order when checking for reserved bits.

Reviewed by: gnn
Approved by: gnn
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D26071

Merge ^/head r358269 through r358399.

Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)

r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are
still not MPSAFE (or already are but aren’t properly mark

Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)

r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are
still not MPSAFE (or already are but aren’t properly marked).
Use it in preparation for a general review of all nodes.

This is non-functional change that adds annotations to SYSCTL_NODE and
SYSCTL_PROC nodes using one of the soon-to-be-required flags.

Mark all obvious cases as MPSAFE. All entries that haven't been marked
as MPSAFE before are by default marked as NEEDGIANT

Approved by: kib (mentor, blanket)
Commented by: kib, gallatin, melifaro
Differential Revision: https://reviews.freebsd.org/D23718

show more ...

MFHead @r350386

Sponsored by: The FreeBSD Foundation

Allow set MTU more than 1500 bytes.

Submitted by: Alexandr Fedorov <aleksandr.fedorov_itglobal_dot_com>
Approved by: jhb, rgrimes
Sponsored by: ITGlobal.com
Differential Revision: https://reviews.fr

Allow set MTU more than 1500 bytes.

Submitted by: Alexandr Fedorov <aleksandr.fedorov_itglobal_dot_com>
Approved by: jhb, rgrimes
Sponsored by: ITGlobal.com
Differential Revision: https://reviews.freebsd.org/D19422

show more ...

MFHead @349476

Sponsored by: The FreeBSD Foundation

Convert all IPv4 and IPv6 multicast memberships into using a STAILQ
instead of a linear array.

The multicast memberships for the inpcb structure are protected by a
non-sleepable lock, INP_WLOCK(), w

Convert all IPv4 and IPv6 multicast memberships into using a STAILQ
instead of a linear array.

The multicast memberships for the inpcb structure are protected by a
non-sleepable lock, INP_WLOCK(), which needs to be dropped when
calling the underlying possibly sleeping if_ioctl() method. When using
a linear array to keep track of multicast memberships, the computed
memory location of the multicast filter may suddenly change, due to
concurrent insertion or removal of elements in the linear array. This
in turn leads to various invalid memory access issues and kernel
panics.

To avoid this problem, put all multicast memberships on a STAILQ based
list. Then the memory location of the IPv4 and IPv6 multicast filters
become fixed during their lifetime and use after free and memory leak
issues are easier to track, for example by: vmstat -m | grep multi

All list manipulation has been factored into inline functions
including some macros, to easily allow for a future hash-list
implementation, if needed.

This patch has been tested by pho@ .

Differential Revision: https://reviews.freebsd.org/D20080
Reviewed by: markj @
MFC after: 1 week
Sponsored by: Mellanox Technologies

show more ...

MFHead @347527

Sponsored by: The FreeBSD Foundation

net: adjust randomized address bits

Give devices that need a MAC a 16-bit allocation out of the FreeBSD
Foundation OUI range. Change the name ether_fakeaddr to ether_gen_addr now
that we're dealing

net: adjust randomized address bits

Give devices that need a MAC a 16-bit allocation out of the FreeBSD
Foundation OUI range. Change the name ether_fakeaddr to ether_gen_addr now
that we're dealing real MAC addresses with a real OUI rather than random
locally-administered addresses.

Reviewed by: bz, rgrimes
Differential Revision: https://reviews.freebsd.org/D19587

show more ...

MFHead@r345275

ether: centralize fake hwaddr generation

We currently have two places with identical fake hwaddr generation --
if_vxlan and if_bridge. Lift it into if_ethersubr for reuse in other
interfaces that ma

ether: centralize fake hwaddr generation

We currently have two places with identical fake hwaddr generation --
if_vxlan and if_bridge. Lift it into if_ethersubr for reuse in other
interfaces that may also need a fake addr.

Reviewed by: bryanv, kp, philip
Differential Revision: https://reviews.freebsd.org/D19573

show more ...

net: fix set but not used

Merge ^/head r327341 through r327623.

Add macro for vxlan list mutex lock and unlock

This will simplify some later VNET support.

Submitted by: hrs
MFC after: 2 weeks

Advertise IFCAP_LINKSTAT after r326480 added link status support

MFC after: 2 weeks

Add support for IPv6 scoped addresses to vxlan

MFC after: 2 weeks

Fix possible memory leak.

vxlan_ftable entries are sorted in ascending order, due to wrong arguments
order it is possible to stop search before existing element will be found.
Then new element will

Fix possible memory leak.

vxlan_ftable entries are sorted in ascending order, due to wrong arguments
order it is possible to stop search before existing element will be found.
Then new element will be allocated in vxlan_ftable_update_locked() and can
be inserted in the list second time or trigger MPASS() assertion with
enabled INVARIANTS.

PR: 224371
MFC after: 1 week

show more ...

Add if media and link status events to vxlan

PR: 214359
MFC after: 2 weeks

net: Use M_HASHTYPE_OPAQUE_HASH if the mbuf flowid has hash properties

Reviewed by: hps, erj, tuexen
Sponsored by: Microsoft OSTC
Differential Revision: https://reviews.freebsd.org/D6688

Complete the UDP tunneling of ICMP msgs to those protocols
interested in having tunneled UDP and finding out about the
ICMP (tested by Michael Tuexen with SCTP.. soon to be using
this feature).

Diff

Complete the UDP tunneling of ICMP msgs to those protocols
interested in having tunneled UDP and finding out about the
ICMP (tested by Michael Tuexen with SCTP.. soon to be using
this feature).

Differential Revision: http://reviews.freebsd.org/D5875

show more ...

Merge sync of head

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

MFhead @ r275496