void/amneziawg-go
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Fix Android UDP GRO check

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albexk 2024-02-10 17:14:51 +03:00 • committed by pokamest
parent 59101fd202
commit 032e33f577
2 changed files with 4 additions and 10 deletions
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8
conn/controlfns_linux.go
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@ -57,13 +57,5 @@ func init() {
} }
return err return err
}, },
// Attempt to enable UDP_GRO
func(network, address string, c syscall.RawConn) error {
c.Control(func(fd uintptr) {
_ = unix.SetsockoptInt(int(fd), unix.IPPROTO_UDP, unix.UDP_GRO, 1)
})
return nil
},
) )
} }

6
conn/features_linux.go
View file

@ -19,8 +19,10 @@ func supportsUDPOffload(conn *net.UDPConn) (txOffload, rxOffload bool) {
err = rc.Control(func(fd uintptr) { err = rc.Control(func(fd uintptr) {
_, errSyscall := unix.GetsockoptInt(int(fd), unix.IPPROTO_UDP, unix.UDP_SEGMENT) _, errSyscall := unix.GetsockoptInt(int(fd), unix.IPPROTO_UDP, unix.UDP_SEGMENT)
txOffload = errSyscall == nil txOffload = errSyscall == nil
opt, errSyscall := unix.GetsockoptInt(int(fd), unix.IPPROTO_UDP, unix.UDP_GRO) // getsockopt(IPPROTO_UDP, UDP_GRO) is not supported in android
rxOffload = errSyscall == nil && opt == 1 // use setsockopt workaround
errSyscall = unix.SetsockoptInt(int(fd), unix.IPPROTO_UDP, unix.UDP_GRO, 1)
rxOffload = errSyscall == nil
}) })
if err != nil { if err != nil {
return false, false return false, false