cvmx-helper-loop.h revision 210286 
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38
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42
43
44/**
45 * @file
46 *
47 * Functions for LOOP initialization, configuration,
48 * and monitoring.
49 *
50 * <hr>$Revision: 41586 $<hr>
51 */
52#ifndef __CVMX_HELPER_LOOP_H__
53#define __CVMX_HELPER_LOOP_H__
54
55/**
56 * @INTERNAL
57 * Probe a LOOP interface and determine the number of ports
58 * connected to it. The LOOP interface should still be down after
59 * this call.
60 *
61 * @param interface Interface to probe
62 *
63 * @return Number of ports on the interface. Zero to disable.
64 */
65extern int __cvmx_helper_loop_probe(int interface);
66
67/**
68 * @INTERNAL
69 * Bringup and enable a LOOP interface. After this call packet
70 * I/O should be fully functional. This is called with IPD
71 * enabled but PKO disabled.
72 *
73 * @param interface Interface to bring up
74 *
75 * @return Zero on success, negative on failure
76 */
77extern int __cvmx_helper_loop_enable(int interface);
78
79#endif
80
81