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23 lines
705 B
C
23 lines
705 B
C
#include "net/genetlink.h"
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#include <linux/version.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
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/* We use multicast groups 16 through 31 to avoid colliding with the multicast
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* group selected by brcompat_mod, which uses groups 32. Collision isn't
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* fatal--multicast listeners should check that the family is the one that they
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* want and discard others--but it wastes time and memory to receive unwanted
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* messages. */
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int genl_register_mc_group(struct genl_family *family,
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struct genl_multicast_group *grp)
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{
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/* This code is called single-threaded. */
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static unsigned int next_id = 0;
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grp->id = next_id++ % 16 + 16;
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grp->family = family;
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return 0;
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}
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#endif /* kernel < 2.6.23 */
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