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Add `tcpMaxSeg` to `sockopt` (#2002)

This commit is contained in:
xqzr 2023-04-30 08:03:30 +08:00 committed by GitHub
parent 18e5b0963f
commit dd81ad5342
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 29 additions and 2 deletions
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2
infra/conf/transport_internet.go
View File

@ -617,6 +617,7 @@ type SocketConfig struct {
TCPKeepAliveIdle int32 `json:"tcpKeepAliveIdle"`
TCPCongestion string `json:"tcpCongestion"`
TCPWindowClamp int32 `json:"tcpWindowClamp"`
TCPMaxSeg int32 `json:"tcpMaxSeg"`
TCPUserTimeout int32 `json:"tcpUserTimeout"`
V6only bool `json:"v6only"`
Interface string `json:"interface"`
@ -670,6 +671,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
TcpKeepAliveIdle: c.TCPKeepAliveIdle,
TcpCongestion: c.TCPCongestion,
TcpWindowClamp: c.TCPWindowClamp,
TcpMaxSeg: c.TCPMaxSeg,
TcpUserTimeout: c.TCPUserTimeout,
V6Only: c.V6only,
Interface: c.Interface,

14
transport/internet/config.pb.go
View File

@ -429,6 +429,7 @@ type SocketConfig struct {
V6Only bool `protobuf:"varint,14,opt,name=v6only,proto3" json:"v6only,omitempty"`
TcpWindowClamp int32 `protobuf:"varint,15,opt,name=tcp_window_clamp,json=tcpWindowClamp,proto3" json:"tcp_window_clamp,omitempty"`
TcpUserTimeout int32 `protobuf:"varint,16,opt,name=tcp_user_timeout,json=tcpUserTimeout,proto3" json:"tcp_user_timeout,omitempty"`
TcpMaxSeg int32 `protobuf:"varint,17,opt,name=tcp_max_seg,json=tcpMaxSeg,proto3" json:"tcp_max_seg,omitempty"`
}
func (x *SocketConfig) Reset() {
@ -575,6 +576,13 @@ func (x *SocketConfig) GetTcpUserTimeout() int32 {
return 0
}
func (x *SocketConfig) GetTcpMaxSeg() int32 {
if x != nil {
return x.TcpMaxSeg
}
return 0
}
var File_transport_internet_config_proto protoreflect.FileDescriptor
var file_transport_internet_config_proto_rawDesc = []byte{
@ -627,7 +635,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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@ -671,7 +679,9 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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2
transport/internet/config.proto
View File

@ -106,4 +106,6 @@ message SocketConfig {
int32 tcp_window_clamp = 15;
int32 tcp_user_timeout = 16;
int32 tcp_max_seg = 17;
}

13
transport/internet/sockopt_linux.go
View File

@ -94,6 +94,13 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
return newError("failed to set TCP_USER_TIMEOUT", err)
}
}
if config.TcpMaxSeg > 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_MAXSEG, int(config.TcpMaxSeg)); err != nil {
return newError("failed to set TCP_MAXSEG", err)
}
}
}
if config.Tproxy.IsEnabled() {
@ -156,6 +163,12 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
return newError("failed to set TCP_USER_TIMEOUT", err)
}
}
if config.TcpMaxSeg > 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_MAXSEG, int(config.TcpMaxSeg)); err != nil {
return newError("failed to set TCP_MAXSEG", err)
}
}
}
if config.Tproxy.IsEnabled() {