Virtio_net_request Class Reference

Abstraction for a network request. More...

#include <request_l4virtio.h>

Inherits Net_request.

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Static Public Member Functions
static void	drop_requests (Virtio_net *dev, L4virtio::Svr::Virtqueue *queue)
	Drop all requests of a specific queue.
static std::optional< Virtio_net_request >	get_request (Virtio_net *dev, L4virtio::Svr::Virtqueue *queue)
	Construct a request from the next entry of a provided queue.

Detailed Description

Abstraction for a network request.

A Virtio_net_request is constructed by the source port, using the static function get_request() as part of Port_iface::get_tx_request().

On destruction, finish() will be called, which, will trigger the client IRQ of the source client.

Definition at line 35 of file request_l4virtio.h.

Member Function Documentation

drop_requests()

static void Virtio_net_request::drop_requests ( Virtio_net *  dev, L4virtio::Svr::Virtqueue *  queue  )

inlinestatic

Drop all requests of a specific queue.

This function is used for example to drop all requests in the transmission queue of a monitor port, since monitor ports are not allowed to transmit data.

Parameters

dev	Port of the provided virtqueue.
queue	Virtqueue to drop all requests of.

Definition at line 172 of file request_l4virtio.h.

References L4virtio::Svr::Virtqueue::desc_avail(), L4virtio::Svr::Virtqueue::finish(), L4_UNLIKELY, L4virtio::Svr::Device_t< DATA >::mem_info(), L4virtio::Svr::Virtqueue::next_avail(), L4virtio::Virtqueue::ready(), and L4virtio::Svr::Request_processor::start().

Referenced by L4virtio_port::drop_requests().

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get_request()

static std::optional< Virtio_net_request > Virtio_net_request::get_request ( Virtio_net *  dev, L4virtio::Svr::Virtqueue *  queue  )

inlinestatic

Construct a request from the next entry of a provided queue.

Parameters

dev	Port of the provided virtqueue.
queue	Virtqueue to extract next entry from.

Definition at line 199 of file request_l4virtio.h.

References L4_UNLIKELY, L4virtio::Svr::Virtqueue::next_avail(), and L4virtio::Virtqueue::ready().

Referenced by L4virtio_port::get_tx_request().

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The documentation for this class was generated from the following file:

• pkg/virtio-net-switch/server/switch/request_l4virtio.h