dpdk 0.0.1

A wrapper around DPDK
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// This file is part of dpdk. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT. No part of dpdk, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2016-2017 The developers of dpdk. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/dpdk/master/COPYRIGHT.


bitflags!
{
	pub flags DeviceTransmitOffloadCapabilities: u32
	{
		const TcpChecksum = DEV_TX_OFFLOAD_TCP_CKSUM,
		const UdpChecksum = DEV_TX_OFFLOAD_UDP_CKSUM,
		const SctpChecksum = DEV_TX_OFFLOAD_SCTP_CKSUM,
		const TcpSegmentationOffload = DEV_TX_OFFLOAD_TCP_TSO, // TSO
		const UdpSegmentationOffload = DEV_TX_OFFLOAD_UDP_TSO, // also known as 'UFO'
		const IpV4Checksum = DEV_TX_OFFLOAD_IPV4_CKSUM,
		const OuterIpV4Checksum = DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM,
		const VlanInsert = DEV_TX_OFFLOAD_VLAN_INSERT,
		const QInQInsert = DEV_TX_OFFLOAD_QINQ_INSERT,
	}
}

impl Default for DeviceTransmitOffloadCapabilities
{
	#[inline(always)]
	fn default() -> Self
	{
		Self::empty()
	}
}

impl DeviceTransmitOffloadCapabilities
{
	#[inline(always)]
	fn doesNotSupport(&self, flag: DeviceTransmitOffloadCapabilities) -> bool
	{
		!self.contains(flag)
	}
	
	#[inline(always)]
	fn supports(&self, flag: DeviceTransmitOffloadCapabilities) -> bool
	{
		self.contains(flag)
	}
	
	#[inline(always)]
	pub fn doesNotSupportTcpChecksumOffloading(&self) -> bool
	{
		self.doesNotSupport(DeviceTransmitOffloadCapabilities::TcpChecksum)
	}
	
	#[inline(always)]
	pub fn doesNotSupportUdpChecksumOffloading(&self) -> bool
	{
		self.doesNotSupport(DeviceTransmitOffloadCapabilities::UdpChecksum)
	}
	
	#[inline(always)]
	pub fn doesNotSupportSctpChecksumOffloading(&self) -> bool
	{
		self.doesNotSupport(DeviceTransmitOffloadCapabilities::SctpChecksum)
	}
	
	#[inline(always)]
	pub fn doesNotSupportVlanInsertOrQInQInsertOffloading(&self) -> bool
	{
		self.doesNotSupport(DeviceTransmitOffloadCapabilities::VlanInsert) || self.doesNotSupport(DeviceTransmitOffloadCapabilities::QInQInsert)
	}

	#[inline(always)]
	pub fn doesNotSupportSegmentationOffloadingAtAll(&self) -> bool
	{
		self.doesNotSupport(DeviceTransmitOffloadCapabilities::TcpSegmentationOffload) && self.doesNotSupport(DeviceTransmitOffloadCapabilities::UdpSegmentationOffload)
	}
	
	#[inline]
	pub fn supportsIpV4ChecksumOffload(&self) -> bool
	{
		self.supports(DeviceTransmitOffloadCapabilities::IpV4Checksum)
	}
	
	#[inline(always)]
	pub fn supportsTcpSegmentationOffload(&self) -> bool
	{
		self.supports(DeviceTransmitOffloadCapabilities::TcpSegmentationOffload)
	}
	
	#[inline(always)]
	pub fn supportsUdpSegmentationOffload(&self) -> bool
	{
		self.supports(DeviceTransmitOffloadCapabilities::UdpSegmentationOffload)
	}
	
	#[inline(always)]
	pub fn supportsTcpAndUdpChecksumOffload(&self) -> bool
	{
		self.supports(DeviceTransmitOffloadCapabilities::TcpChecksum | DeviceTransmitOffloadCapabilities::UdpChecksum)
	}
	
	#[inline(always)]
	pub fn supportsNoneOfTcpAndUdpChecksumOffload(&self) -> bool
	{
		self.doesNotSupport(DeviceTransmitOffloadCapabilities::TcpChecksum) && self.doesNotSupport(DeviceTransmitOffloadCapabilities::UdpChecksum)
	}
}