diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2021-06-18 13:41:48 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2021-06-23 12:29:14 +0300 |
| commit | 64a8747238291c7c497517ab2590c473f708d9be (patch) | |
| tree | 0b61cb962f18131c74665098e3de2440e4652bbb /net/wireless/rdev-ops.h | |
| parent | 6516ee22f2a99efca7211ff61f23f778c988bfd4 (diff) | |
| download | linux-64a8747238291c7c497517ab2590c473f708d9be.tar.xz | |
cfg80211: trace more information in assoc trace event
Add more information to the assoc trace event so we can see
more precisely what's going on and what options were used.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210618133832.86c58fca486d.Iabd8f036d2ef1d770fd20ed3ccd149f32154f430@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/rdev-ops.h')
| -rw-r--r-- | net/wireless/rdev-ops.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 8b1358d04ca2..b1d37f582dc6 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -464,8 +464,18 @@ static inline int rdev_assoc(struct cfg80211_registered_device *rdev, struct net_device *dev, struct cfg80211_assoc_request *req) { + const struct cfg80211_bss_ies *bss_ies; int ret; - trace_rdev_assoc(&rdev->wiphy, dev, req); + + /* + * Note: we might trace not exactly the data that's processed, + * due to races and the driver/mac80211 getting a newer copy. + */ + rcu_read_lock(); + bss_ies = rcu_dereference(req->bss->ies); + trace_rdev_assoc(&rdev->wiphy, dev, req, bss_ies); + rcu_read_unlock(); + ret = rdev->ops->assoc(&rdev->wiphy, dev, req); trace_rdev_return_int(&rdev->wiphy, ret); return ret; |