diff options
| author | Ilan Peer <ilan.peer@intel.com> | 2025-09-08 14:12:59 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2025-09-19 11:26:22 +0200 |
| commit | b9c3d426c8a5823b3a1e5078719750c6abb0d2c1 (patch) | |
| tree | fc30e49f4a4d4f81fdb0f9bfa52fe4d54ff5ac41 /net/wireless | |
| parent | 3cbadd84f5c4ea792c0df3506639a2cb57ba9b11 (diff) | |
wifi: cfg80211: Advertise supported NAN capabilities
Allow drivers to specify the supported NAN capabilities and support
advertising the NAN capabilities to user space.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250908140015.2976966556f5.Ic6e43b10049573180c909dad806f279cfb31143e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 904a725a4f4a..bcd18ae59e84 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2605,6 +2605,41 @@ fail: return -ENOBUFS; } +static int nl80211_put_nan_capa(struct wiphy *wiphy, struct sk_buff *msg) +{ + struct nlattr *nan_caps; + + nan_caps = nla_nest_start(msg, NL80211_ATTR_NAN_CAPABILITIES); + if (!nan_caps) + return -ENOBUFS; + + if (wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_CONFIGURABLE_SYNC && + nla_put_flag(msg, NL80211_NAN_CAPA_CONFIGURABLE_SYNC)) + goto fail; + + if ((wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_USERSPACE_DE) && + nla_put_flag(msg, NL80211_NAN_CAPA_USERSPACE_DE)) + goto fail; + + if (nla_put_u8(msg, NL80211_NAN_CAPA_OP_MODE, + wiphy->nan_capa.op_mode) || + nla_put_u8(msg, NL80211_NAN_CAPA_NUM_ANTENNAS, + wiphy->nan_capa.n_antennas) || + nla_put_u16(msg, NL80211_NAN_CAPA_MAX_CHANNEL_SWITCH_TIME, + wiphy->nan_capa.max_channel_switch_time) || + nla_put_u8(msg, NL80211_NAN_CAPA_CAPABILITIES, + wiphy->nan_capa.dev_capabilities)) + goto fail; + + nla_nest_end(msg, nan_caps); + + return 0; + +fail: + nla_nest_cancel(msg, nan_caps); + return -ENOBUFS; +} + struct nl80211_dump_wiphy_state { s64 filter_wiphy; long start; @@ -3257,6 +3292,12 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, if (nl80211_put_radios(&rdev->wiphy, msg)) goto nla_put_failure; + state->split_start++; + break; + case 18: + if (nl80211_put_nan_capa(&rdev->wiphy, msg)) + goto nla_put_failure; + /* done */ state->split_start = 0; break; |