Merge pull request #4355 from majek:marek/swallow-SO_RCVBUFFORCE-error
PiperOrigin-RevId: 335714100
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commit
b761330ca7
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@ -309,11 +309,20 @@ func createSocket(iface net.Interface, ifaceLink netlink.Link, enableGSO bool) (
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const bufSize = 4 << 20 // 4MB.
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const bufSize = 4 << 20 // 4MB.
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if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUFFORCE, bufSize); err != nil {
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if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUFFORCE, bufSize); err != nil {
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return nil, fmt.Errorf("failed to increase socket rcv buffer to %d: %v", bufSize, err)
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syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF, bufSize)
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sz, _ := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF)
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if sz < bufSize {
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log.Warningf("Failed to increase rcv buffer to %d on SOCK_RAW on %s. Current buffer %d: %v", bufSize, iface.Name, sz, err)
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}
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}
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}
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if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUFFORCE, bufSize); err != nil {
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if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUFFORCE, bufSize); err != nil {
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return nil, fmt.Errorf("failed to increase socket snd buffer to %d: %v", bufSize, err)
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syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF, bufSize)
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sz, _ := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF)
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if sz < bufSize {
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log.Warningf("Failed to increase snd buffer to %d on SOCK_RAW on %s. Curent buffer %d: %v", bufSize, iface.Name, sz, err)
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}
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}
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}
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return &socketEntry{deviceFile, gsoMaxSize}, nil
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return &socketEntry{deviceFile, gsoMaxSize}, nil
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