diff --git a/doc/guides/nics/virtio.rst b/doc/guides/nics/virtio.rst index 2ae875cb49..da9cd6ba64 100644 --- a/doc/guides/nics/virtio.rst +++ b/doc/guides/nics/virtio.rst @@ -201,7 +201,7 @@ The packet transmission flow is: Virtio PMD Rx/Tx Callbacks -------------------------- -Virtio driver has 4 Rx callbacks and 3 Tx callbacks. +Virtio driver has 4 Rx callbacks and 2 Tx callbacks. Rx callbacks: @@ -223,9 +223,6 @@ Tx callbacks: #. ``virtio_xmit_pkts``: Regular version. -#. ``virtio_xmit_pkts_simple``: - Vector version fixes the available ring indexes to optimize performance. - #. ``virtio_xmit_pkts_inorder``: In-order version. @@ -239,25 +236,17 @@ By default, the non-vector callbacks are used: Vector callbacks will be used when: -* ``txmode.offloads`` is set to ``0x0``, which implies: - - * Single segment is specified. - - * No offload support is needed. - * Mergeable Rx buffers is disabled. The corresponding callbacks are: * For Rx: ``virtio_recv_pkts_vec``. -* For Tx: ``virtio_xmit_pkts_simple``. - Example of using the vector version of the virtio poll mode driver in ``testpmd``:: - testpmd -l 0-2 -n 4 -- -i --tx-offloads=0x0 --rxq=1 --txq=1 --nb-cores=1 + testpmd -l 0-2 -n 4 -- -i --rxq=1 --txq=1 --nb-cores=1 In-order callbacks only work on simulated virtio user vdev. diff --git a/drivers/net/virtio/virtio_ethdev.h b/drivers/net/virtio/virtio_ethdev.h index 8eb8660734..758f2309eb 100644 --- a/drivers/net/virtio/virtio_ethdev.h +++ b/drivers/net/virtio/virtio_ethdev.h @@ -94,9 +94,6 @@ uint16_t virtio_xmit_pkts_inorder(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t virtio_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts); -uint16_t virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts); - int eth_virtio_dev_init(struct rte_eth_dev *eth_dev); void virtio_interrupt_handler(void *param);