Tatsuya Yabe
6778bd8cdf
Set of modifications and additions to establish a platform for implementing a hardware table in userspace. Modules in skeleton directory is used as a template for creating hardware dependent libraries.
62 lines
1.0 KiB
C
62 lines
1.0 KiB
C
#ifndef SAMPLE_PLAT_H
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#define SAMPLE_PLAT_H 1
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <openflow/openflow.h>
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#define OF_HW_MAX_PORTS 4
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static inline int
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of_port_to_hw_port(int of_port)
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{
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return of_port - 1;
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}
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/* Map port to OF port number */
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static inline int
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of_hw_port_to_of_port(int port)
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{
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if ((port < 0) || (port > 3)) {
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return -1;
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}
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return port + 1;
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}
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#define _IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
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/* Map name to hw port number: N => N-1
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ge0 => 0 where "ge" can be any string and 0 can be any number
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*/
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static inline int
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hw_port_name_to_index(const char *name)
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{
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if (_IS_DIGIT(name[0])) {
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/* Treat as 1-based, OF number */
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i = strtoul(&name[0], NULL, 10);
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return i - 1;
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}
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len = strlen(name);
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for (idx = 0; idx < len && !_IS_DIGIT(name[idx]); idx++) ;
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if ((idx < len) && _IS_DIGIT(name[idx])) {
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i = strtoul(&name[idx], NULL, 10);
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return i;
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}
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return -1;
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}
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#undef _IS_DIGIT
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#endif /* SAMPLE_PLAT_H */
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