]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 1c94756) | patch
virtio_net: fix support for small rings
authorMichael S. Tsirkin <mst@redhat.com>
Thu, 9 Mar 2017 00:21:21 +0000 (02:21 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 9 May 2017 13:43:21 +0000 (16:43 +0300)
commitddc84d33f3fc0acb8cda2b701e51f4501c610e52
treea759ede2153e54e53bb6965df242858a805c7dc7tree | snapshot
parent1c9475645a97738b7ecae91a8861161c91b8e5cecommit | diff
virtio_net: fix support for small rings

When ring size is small (<32 entries) making buffers smaller means a
full ring might not be able to hold enough buffers to fit a single large
packet.

Make sure a ring full of buffers is large enough to allow at least one
packet of max size.

Fixes: 8f6fb073da23 ("virtio_net: migrate mergeable rx buffers to page frag allocators")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/net/virtio_net.c diff | blob | history
Linux Kernel Source Tree.