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wiphy: Add freq set constrain API

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This commit is contained in:
Tim Kourt 2019-04-11 12:14:27 -07:00 committed by Denis Kenzior
parent 5be3de7484
commit c44da22470
4 changed files with 35 additions and 0 deletions
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17
src/scan.c
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@ -1725,6 +1725,23 @@ void scan_freq_set_foreach(const struct scan_freq_set *freqs,
}
}
void scan_freq_set_constrain(struct scan_freq_set *set,
const struct scan_freq_set *constraint)
{
struct l_uintset *intersection;
intersection = l_uintset_intersect(constraint->channels_5ghz,
set->channels_5ghz);
if (!intersection)
/* This shouldn't ever be the case. */
return;
l_uintset_free(set->channels_5ghz);
set->channels_5ghz = intersection;
set->channels_2ghz &= constraint->channels_2ghz;
}
bool scan_init(struct l_genl_family *in)
{
const struct l_settings *config = iwd_get_config();

2
src/scan.h
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@ -126,6 +126,8 @@ void scan_freq_set_foreach(const struct scan_freq_set *freqs,
scan_freq_set_func_t func, void *user_data);
void scan_freq_set_merge(struct scan_freq_set *to,
const struct scan_freq_set *from);
void scan_freq_set_constrain(struct scan_freq_set *set,
const struct scan_freq_set *constraint);
bool scan_ifindex_add(uint32_t ifindex);
bool scan_ifindex_remove(uint32_t ifindex);

12
src/wiphy.c
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@ -306,6 +306,18 @@ bool wiphy_supports_adhoc_rsn(struct wiphy *wiphy)
return wiphy->support_adhoc_rsn;
}
bool wiphy_constrain_freq_set(const struct wiphy *wiphy,
struct scan_freq_set *set)
{
scan_freq_set_constrain(set, wiphy->supported_freqs);
if (!scan_freq_set_get_bands(set))
/* The set is empty. */
return false;
return true;
}
static char **wiphy_get_supported_iftypes(struct wiphy *wiphy, uint16_t mask)
{
uint16_t supported_mask = wiphy->supported_iftypes & mask;

4
src/wiphy.h
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@ -25,6 +25,7 @@
struct wiphy;
struct scan_bss;
struct scan_freq_set;
enum wiphy_state_watch_event {
WIPHY_STATE_WATCH_EVENT_POWERED,
@ -50,6 +51,9 @@ struct wiphy *wiphy_create(uint32_t wiphy_id, const char *name);
bool wiphy_destroy(struct wiphy *wiphy);
void wiphy_update_from_genl(struct wiphy *wiphy, struct l_genl_msg *msg);
bool wiphy_constrain_freq_set(const struct wiphy *wiphy,
struct scan_freq_set *set);
const char *wiphy_get_path(struct wiphy *wiphy);
uint32_t wiphy_get_supported_bands(struct wiphy *wiphy);
const struct scan_freq_set *wiphy_get_supported_freqs(