xref: /aosp_15_r20/external/ethtool/netlink/bitset.h (revision 1b481fc3bb1b45d4cf28d1ec12969dc1055f555d)
1 /*
2  * bitset.h - netlink bitset helpers
3  *
4  * Declarations of helpers for handling ethtool netlink bitsets.
5  */
6 
7 #ifndef ETHTOOL_NETLINK_BITSET_H__
8 #define ETHTOOL_NETLINK_BITSET_H__
9 
10 #include <libmnl/libmnl.h>
11 #include <linux/netlink.h>
12 #include <linux/genetlink.h>
13 #include <linux/ethtool_netlink.h>
14 #include "strset.h"
15 
16 typedef void (*bitset_walk_callback)(unsigned int, const char *, bool, void *);
17 
18 uint32_t bitset_get_count(const struct nlattr *bitset, int *retptr);
19 bool bitset_get_bit(const struct nlattr *bitset, bool mask, unsigned int idx,
20 		    int *retptr);
21 bool bitset_is_compact(const struct nlattr *bitset);
22 bool bitset_is_empty(const struct nlattr *bitset, bool mask, int *retptr);
23 uint32_t *get_compact_bitset_value(const struct nlattr *bitset);
24 uint32_t *get_compact_bitset_mask(const struct nlattr *bitset);
25 int walk_bitset(const struct nlattr *bitset, const struct stringset *labels,
26 		bitset_walk_callback cb, void *data);
27 
28 #endif /* ETHTOOL_NETLINK_BITSET_H__ */
29