diff options
| author | Lior Cohen <lior2.cohen@intel.com> | 2019-07-18 11:37:48 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2019-10-25 10:10:14 +0300 |
| commit | 449a29d0feada2810ffca692b7dee8470073c3d5 (patch) | |
| tree | 765fd579dae1e09d72c8c4ff0affedebc1f5655b /drivers/net/wireless/intel | |
| parent | 7f2ea52123426b05cd83aec35a4abfb93f66be2b (diff) | |
| download | linux-449a29d0feada2810ffca692b7dee8470073c3d5.tar.xz | |
iwlwifi: mvm: add notification for missed VAP
A missed VAP notification will be sent from umac when
the station is out of sync with its associated non-transmitted
BSSID. The notification will be sent only if the transmitted
BSSID is an EMA-AP one.
The driver will consider this notification as connection loss.
Signed-off-by: Lior Cohen <lior2.cohen@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h | 19 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 2 |
3 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h b/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h index 69786343aff4..e7a1acedbcf1 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/mac-cfg.h @@ -78,6 +78,10 @@ enum iwl_mac_conf_subcmd_ids { */ CHANNEL_SWITCH_TIME_EVENT_CMD = 0x4, /** + * @MISSED_VAP_NOTIF: &struct iwl_missed_vap_notif + */ + MISSED_VAP_NOTIF = 0xFA, + /** * @SESSION_PROTECTION_CMD: &struct iwl_mvm_session_prot_cmd */ SESSION_PROTECTION_CMD = 0x5, @@ -141,6 +145,21 @@ struct iwl_probe_resp_data_notif { } __packed; /* PROBE_RESPONSE_DATA_NTFY_API_S_VER_1 */ /** + * struct iwl_missed_vap_notif - notification of missing vap detection + * + * @mac_id: the mac for which the ucode sends the notification for + * @num_beacon_intervals_elapsed: beacons elpased with no vap profile inside + * @profile_periodicity: beacons period to have our profile inside + * @reserved: reserved for alignment purposes + */ +struct iwl_missed_vap_notif { + __le32 mac_id; + u8 num_beacon_intervals_elapsed; + u8 profile_periodicity; + u8 reserved[2]; +} __packed; /* MISSED_VAP_NTFY_API_S_VER_1 */ + +/** * struct iwl_channel_switch_noa_notif - Channel switch NOA notification * * @id_and_color: ID and color of the MAC diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 70bb150ee0ca..d9c23cd96336 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1610,3 +1610,26 @@ void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, out_unlock: rcu_read_unlock(); } + +void iwl_mvm_rx_missed_vap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_missed_vap_notif *mb = (void *)pkt->data; + struct ieee80211_vif *vif; + u32 id = le32_to_cpu(mb->mac_id); + + IWL_DEBUG_INFO(mvm, + "missed_vap notify mac_id=%u, num_beacon_intervals_elapsed=%u, profile_periodicity=%u\n", + le32_to_cpu(mb->mac_id), + mb->num_beacon_intervals_elapsed, + mb->profile_periodicity); + + rcu_read_lock(); + + vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, true); + if (vif) + iwl_mvm_connection_loss(mvm, vif, "missed vap beacon"); + + rcu_read_unlock(); +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 43257579ab48..f0246969dca0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1680,6 +1680,8 @@ void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, struct ieee80211_vif *vif); void iwl_mvm_probe_resp_data_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_missed_vap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); /* Bindings */ |