Add function virtio_free_queues() and call from virtio_dev_close()
Use virtio_dev_rx_queue_release() and virtio_dev_tx_queue_release()
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Add functions virtio_dev_queue_release(), virtio_dev_rx_queue_release() and
virtio_dev_tx_queue_release().
Use queue_release in virtio_dev_uninit().
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
If vq is NULL, there is a segmentation fault.
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
This patch depends on the Port Hotplug Framework.
It implements the eth_dev_uninit_t() function for virtio pmd.
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Move malloc inside eal and create a new section in MAINTAINERS file for
Memory Allocation in EAL.
Create a dummy malloc library to avoid breaking applications that have
librte_malloc in their DT_NEEDED entries.
This is the first step towards using malloc to allocate memory directly
from memsegs. Thus, memzones would allocate memory through malloc,
allowing to free memzones.
Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
The parameter tx_free_thresh is not consistent between the drivers:
some use it as rte_eth_tx_burst() requires, some release buffers when
the number of free descriptors drop below this value.
Let's use it as most fast-path code does, which is the latter, and update
comments throughout the code to reflect that.
Signed-off-by: Zoltan Kiss <zoltan.kiss@linaro.org>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Fix NULL dereference if virtio control queue is not negotiated.
Signed-off-by: Damjan Marion <damarion@cisco.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Negotiate the virtio ring size. The host may allow for very large
rings but application may only want a smaller ring.
Conversely, if the number of descriptors requested exceeds the virtio
host queue size, then just silently use the smaller host size.
This fixes issues with virtio in non-QEMU envirionments.
For example Google Compute Engine allows up to 16K elements
in ring.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Changchun Ouyang <changchun.ouyang@intel.com>
Change the features from bit mask to bit number. This allows the
DPDK driver to use the definitions from Linux (yes the header
files already use a license compatiable with DPDK). This makes DPDK
driver handle future feature bit changes.
Get rid of double negative code in the feature bit intialization.
Instead just have a new define with the list of feature bits implemented.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Changchun Ouyang <changchun.ouyang@intel.com>
Don't attempt to set the MAC address table unless the host allows
it in feature negotiation. Also, don't return a value from mac_table_set
since all callers ignore the return value.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Changchun Ouyang <changchun.ouyang@intel.com>
If negotiation with host says that controlling Rx mode is
not supported, then don't try.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Changchun Ouyang <changchun.ouyang@intel.com>
Putting blank line between function and following conditional
just wastes screen space, and makes code less obvious.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Changchun Ouyang <changchun.ouyang@intel.com>
Upcoming drivers will need to be able to support other bus types.
This is a transparent change to how struct eth_driver is initialized.
It has not function or ABI layout impact, but makes adding a later
bus type (Xen, Hyper-V, ...) much easier.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
Move virtio PMD to drivers/net directory
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
