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path: root/src/vnet/devices/virtio/virtio.c
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2018-03-30tapv2: Sporadic SIGABRT in ethernet_input [VPP-1183]Steven1-3/+3
virtio_free_rx_buffers uses the wrong slot in the vring to get the buffer index. It uses desc_next. It should be last_used_idx which is the slot number for the first valid descriptor. Change-Id: I6b62b794f06869fbffffce45430b8b2e37b1266c Signed-off-by: Steven <sluong@cisco.com>
2018-02-06vlib: epoll on worker threadsDamjan Marion1-0/+2
This patch teaches worer threads to sleep and to be waken up by kernel if there is activity on file desctiptors assigned to that thread. It also adds counters to epoll file descriptors and new debug cli 'show unix file'. Change-Id: Iaf67869f4aa88ff5b0a08982e1c08474013107c4 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-01-18vlib: add vlib_buffer_alloc_to_ring APIDamjan Marion1-1/+1
Change-Id: I4e2804754b443f5f41fb25eed8334908c4a70f84 Signed-off-by: Damjan Marion <damarion@cisco.com>
2018-01-16tapv2: deleting tap interface may leak buffers (VPP-1124)Steven1-7/+28
Buffers may be allocated for indirect descriptors by tx thread and they are freed when tx thread is invoked in the next invocation. This is to allow the recipient (kernel) to have a chance to process them. But if the tap interface is deleted, the tx thread may not yet be called to clean up the indirect descriptors' buffers. In that case, we need to remove them without waiting for the tx thread to be called. Failure to do so may cause buffers leak when the tap interface is deleted. For the RX ring, leakage also exists for vring->buffers when the interface is removed. Change-Id: I3df313a0e60334776b19daf51a9f5bf20dfdc489 Signed-off-by: Steven <sluong@cisco.com> (cherry picked from commit d8a998e74b815dd3725dfcd80080e4e540940236)
2017-12-14tap_v2: include host-side parameters in the dump binary APIMilan Lenco1-0/+2
Change-Id: I097a738b96a304621520f1842dcac7dbf61a8e3f Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>
2017-12-04virtio: zero data structs in virtio_vring_initDamjan Marion1-3/+3
Change-Id: I877cf1abb062a90f428c3ec0cab5c6e9dad0ca82 Signed-off-by: Damjan Marion <damarion@cisco.com>
2017-11-30virtio: fast TAP interfaces with vhost-net backendDamjan Marion1-0/+159
Change-Id: Ided667356d5c6fb9648eb34685aabd6b16a598b7 Signed-off-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Steven Luong <sluong@cisco.com>