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Signed-off-by: Ilan Peer Signed-off-by: Miri Korenblit --- include/net/mac80211.h | 4 ++++ net/mac80211/cfg.c | 12 ++++++++++++ net/mac80211/driver-ops.h | 14 ++++++++++++++ net/mac80211/trace.h | 23 +++++++++++++++++++++++ 4 files changed, 53 insertions(+) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index ecfa65ade226..047dce69e79b 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -4438,6 +4438,7 @@ struct ieee80211_prep_tx_info { * if the requested TID-To-Link mapping can be accepted or not. * If it's not accepted the driver may suggest a preferred mapping and * modify @ttlm parameter with the suggested TID-to-Link mapping. + * @iface_usage: notify about intended usage of added interfaces. */ struct ieee80211_ops { void (*tx)(struct ieee80211_hw *hw, @@ -4822,6 +4823,9 @@ struct ieee80211_ops { enum ieee80211_neg_ttlm_res (*can_neg_ttlm)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_neg_ttlm *ttlm); + + void (*iface_usage)(struct ieee80211_hw *hw, + struct cfg80211_iface_usage *iface_usage); }; /** diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 890590146fa4..b121fc65eb09 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -5104,6 +5104,17 @@ ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev, return ieee80211_req_neg_ttlm(sdata, params); } +static void +ieee80211_iface_usage(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_iface_usage *iface_usage) +{ + struct ieee80211_local *local = wiphy_priv(wiphy); + + lockdep_assert_wiphy(wiphy); + + drv_iface_usage(local, iface_usage); +} + const struct cfg80211_ops mac80211_config_ops = { .add_virtual_intf = ieee80211_add_iface, .del_virtual_intf = ieee80211_del_iface, @@ -5217,4 +5228,5 @@ const struct cfg80211_ops mac80211_config_ops = { .del_link_station = ieee80211_del_link_station, .set_hw_timestamp = ieee80211_set_hw_timestamp, .set_ttlm = ieee80211_set_ttlm, + .iface_usage = ieee80211_iface_usage, }; diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index d4e73d3630e0..ccc697bd98ff 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1728,4 +1728,18 @@ drv_can_neg_ttlm(struct ieee80211_local *local, return res; } + +static inline void drv_iface_usage(struct ieee80211_local *local, + struct cfg80211_iface_usage *iface_usage) +{ + might_sleep(); + + lockdep_assert_wiphy(local->hw.wiphy); + + trace_drv_iface_usage(local, iface_usage); + if (local->ops->iface_usage) + local->ops->iface_usage(&local->hw, iface_usage); + + trace_drv_return_void(local); +} #endif /* __MAC80211_DRIVER_OPS */ diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 8e758b5074bd..b2f2588c7f82 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -3145,6 +3145,29 @@ TRACE_EVENT(drv_neg_ttlm_res, LOCAL_PR_ARG, VIF_PR_ARG, __entry->res ) ); + +TRACE_EVENT(drv_iface_usage, + TP_PROTO(struct ieee80211_local *local, + struct cfg80211_iface_usage *iface_usage), + + TP_ARGS(local, iface_usage), + + TP_STRUCT__entry( + LOCAL_ENTRY + __field(u32, types_mask) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + __entry->types_mask = iface_usage->types_mask; + ), + + TP_printk( + LOCAL_PR_FMT " types_mask=0x%x", + LOCAL_PR_ARG, __entry->types_mask + ) +); + #endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH