diff options
| -rw-r--r-- | runsc/sandbox/network.go | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/runsc/sandbox/network.go b/runsc/sandbox/network.go index 0b9f39466..8f66dd1f8 100644 --- a/runsc/sandbox/network.go +++ b/runsc/sandbox/network.go @@ -309,11 +309,20 @@ func createSocket(iface net.Interface, ifaceLink netlink.Link, enableGSO bool) ( const bufSize = 4 << 20 // 4MB. if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUFFORCE, bufSize); err != nil { - return nil, fmt.Errorf("failed to increase socket rcv buffer to %d: %v", bufSize, err) + syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF, bufSize) + sz, _ := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_RCVBUF) + + if sz < bufSize { + log.Warningf("Failed to increase rcv buffer to %d on SOCK_RAW on %s. Current buffer %d: %v", bufSize, iface.Name, sz, err) + } } if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUFFORCE, bufSize); err != nil { - return nil, fmt.Errorf("failed to increase socket snd buffer to %d: %v", bufSize, err) + syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF, bufSize) + sz, _ := syscall.GetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_SNDBUF) + if sz < bufSize { + log.Warningf("Failed to increase snd buffer to %d on SOCK_RAW on %s. Curent buffer %d: %v", bufSize, iface.Name, sz, err) + } } return &socketEntry{deviceFile, gsoMaxSize}, nil |