mirror of
https://github.com/impact-eintr/netstack.git
synced 2025-10-06 05:16:50 +08:00
47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
package fdbased
|
||
|
||
import (
|
||
"netstack/tcpip"
|
||
"netstack/tcpip/stack"
|
||
"syscall"
|
||
)
|
||
|
||
// 从NIC读取数据的多级缓存配置
|
||
var BufConfig = []int{1<<7, 1<<8, 1<<8, 1<<9, 1<<10, 1<<11, 1<<12, 1<<13, 1<<14, 1<<15}
|
||
|
||
// 负责底层网卡的io读写以及数据分发
|
||
type endpoint struct {
|
||
// 发送和接收数据的文件爱你描述符
|
||
fd int
|
||
// 单个帧的最大长度
|
||
mtu uint32
|
||
// 以太网头部长度
|
||
hdrSize int
|
||
// 网卡地址
|
||
addr tcpip.LinkAddress
|
||
// 网卡的能力
|
||
caps stack.LinkEndpointCapabilities
|
||
|
||
closed func(*tcpip.Error)
|
||
|
||
iovers []syscall.Iovec
|
||
views []buffer.View
|
||
dispatcher stack.NetworkDispatcher
|
||
|
||
// handleLocal指示发往自身的数据包是由内部netstack处理（true）还是转发到FD端点（false）
|
||
handleLocal bool
|
||
}
|
||
|
||
type Options struct {
|
||
FD int
|
||
MTU uint32
|
||
ClosedFunc func(*tcpip.Error)
|
||
Address tcpip.LinkAddress
|
||
ResolutionRequired bool
|
||
SaveRestore bool
|
||
ChecksumOffload bool
|
||
DisconnectOk bool
|
||
HandleLocal bool
|
||
TestLossPacket func(data []byte) bool
|
||
}
|