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Chore(stack): update opts.go

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xjasonlyu
2022-02-01 20:34:43 +08:00
parent faed47da40
commit b28349235f
1 changed files with 16 additions and 16 deletions
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32
core/stack/opts.go
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@@ -11,19 +11,13 @@ import (
) )
const ( const (
// maxBufferSize is the maximum permitted size of a send/receive buffer.
maxBufferSize = 4 << 20 // 4 MiB
// minBufferSize is the smallest size of a receive or send buffer.
minBufferSize = 4 << 10 // 4 KiB
// defaultBufferSize is the default size of the send/recv buffer for
// a transport endpoint.
defaultBufferSize = 212 << 10 // 212 KiB
// defaultTimeToLive specifies the default TTL used by stack. // defaultTimeToLive specifies the default TTL used by stack.
defaultTimeToLive uint8 = 64 defaultTimeToLive uint8 = 64
// ipForwardingEnabled is the value used by stack to enable packet
// forwarding between NICs.
ipForwardingEnabled = true
// icmpBurst is the default number of ICMP messages that can be sent in // icmpBurst is the default number of ICMP messages that can be sent in
// a single burst. // a single burst.
icmpBurst = 50 icmpBurst = 50
@@ -32,10 +26,6 @@ const (
// by this rate limiter. // by this rate limiter.
icmpLimit rate.Limit = 1000 icmpLimit rate.Limit = 1000
// ipForwardingEnabled is the value used by stack to enable packet
// forwarding between NICs.
ipForwardingEnabled = true
// tcpCongestionControl is the congestion control algorithm used by // tcpCongestionControl is the congestion control algorithm used by
// stack. ccReno is the default option in gVisor stack. // stack. ccReno is the default option in gVisor stack.
tcpCongestionControlAlgorithm = "reno" // "reno" or "cubic" tcpCongestionControlAlgorithm = "reno" // "reno" or "cubic"
@@ -51,6 +41,16 @@ const (
// tcpSACKEnabled is the value used by stack to enable or disable // tcpSACKEnabled is the value used by stack to enable or disable
// tcp selective ACK. // tcp selective ACK.
tcpSACKEnabled = true tcpSACKEnabled = true
// tcpMinBufferSize is the smallest size of a send/recv buffer.
tcpMinBufferSize = tcp.MinBufferSize // 4 KiB
// tcpMaxBufferSize is the maximum permitted size of a send/recv buffer.
tcpMaxBufferSize = tcp.MaxBufferSize // 4 MiB
// tcpDefaultBufferSize is the default size of the send/recv buffer for
// a transport endpoint.
tcpDefaultBufferSize = 212 << 10 // 212 KiB
) )
type Option func(*Stack) error type Option func(*Stack) error
@@ -69,8 +69,8 @@ func WithDefault() Option {
// Too large buffers thrash cache, so there is little point // Too large buffers thrash cache, so there is little point
// in too large buffers. // in too large buffers.
// //
// Ref: https://github.com/majek/slirpnetstack/blob/master/stack.go // Ref: https://github.com/cloudflare/slirpnetstack/blob/master/stack.go
WithTCPBufferSizeRange(minBufferSize, defaultBufferSize, maxBufferSize), WithTCPBufferSizeRange(tcpMinBufferSize, tcpDefaultBufferSize, tcpMaxBufferSize),
WithTCPCongestionControl(tcpCongestionControlAlgorithm), WithTCPCongestionControl(tcpCongestionControlAlgorithm),
WithTCPDelay(tcpDelayEnabled), WithTCPDelay(tcpDelayEnabled),