/*
* Copyright 2002-2005, Devicescape Software, Inc.
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015-2016 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <linux/average.h>
#include <linux/etherdevice.h>
#include <linux/rhashtable.h>
+#include <linux/u64_stats_sync.h>
#include "key.h"
/**
* @WLAN_STA_MPSP_RECIPIENT: local STA is recipient of a MPSP.
* @WLAN_STA_PS_DELIVER: station woke up, but we're still blocking TX
* until pending frames are delivered
+ *
+ * @NUM_WLAN_STA_FLAGS: number of defined flags
*/
enum ieee80211_sta_info_flags {
WLAN_STA_AUTH,
WLAN_STA_MPSP_OWNER,
WLAN_STA_MPSP_RECIPIENT,
WLAN_STA_PS_DELIVER,
+
+ NUM_WLAN_STA_FLAGS,
};
#define ADDBA_RESP_INTERVAL HZ
struct rcu_head rcu_head;
};
+/**
+ * struct ieee80211_fast_rx - RX fastpath information
+ * @dev: netdevice for reporting the SKB
+ * @vif_type: (P2P-less) interface type of the original sdata (sdata->vif.type)
+ * @vif_addr: interface address
+ * @rfc1042_hdr: copy of the RFC 1042 SNAP header (to have in cache)
+ * @control_port_protocol: control port protocol copied from sdata
+ * @expected_ds_bits: from/to DS bits expected
+ * @icv_len: length of the MIC if present
+ * @key: bool indicating encryption is expected (key is set)
+ * @sta_notify: notify the MLME code (once)
+ * @internal_forward: forward froms internally on AP/VLAN type interfaces
+ * @da_offs: offset of the DA in the header (for header conversion)
+ * @sa_offs: offset of the SA in the header (for header conversion)
+ * @rcu_head: RCU head for freeing this structure
+ */
+struct ieee80211_fast_rx {
+ struct net_device *dev;
+ enum nl80211_iftype vif_type;
+ u8 vif_addr[ETH_ALEN] __aligned(2);
+ u8 rfc1042_hdr[6] __aligned(2);
+ __be16 control_port_protocol;
+ __le16 expected_ds_bits;
+ u8 icv_len;
+ u8 key:1,
+ sta_notify:1,
+ internal_forward:1;
+ u8 da_offs, sa_offs;
+
+ struct rcu_head rcu_head;
+};
+
/**
* struct mesh_sta - mesh STA information
* @plink_lock: serialize access to plink fields
* @ampdu_mlme: A-MPDU state machine state
* @timer_to_tid: identity mapping to ID timers
* @mesh: mesh STA information
- * @debugfs: debug filesystem info
+ * @debugfs_dir: debug filesystem directory dentry
* @dead: set to true when sta is unlinked
* @removed: set to true when sta is being removed from sta_list
* @uploaded: set to true when sta is uploaded to the driver
* @cipher_scheme: optional cipher scheme for this station
* @reserved_tid: reserved TID (if any, otherwise IEEE80211_TID_UNRESERVED)
* @fast_tx: TX fastpath information
+ * @fast_rx: RX fastpath information
* @tdls_chandef: a TDLS peer can have a wider chandef that is compatible to
* the BSS one.
* @tx_stats: TX statistics
spinlock_t lock;
struct ieee80211_fast_tx __rcu *fast_tx;
+ struct ieee80211_fast_rx __rcu *fast_rx;
#ifdef CONFIG_MAC80211_MESH
struct mesh_sta *mesh;
/* Updated from RX path only, no locking requirements */
struct {
unsigned long packets;
- u64 bytes;
unsigned long last_rx;
unsigned long num_duplicates;
unsigned long fragments;
unsigned long dropped;
int last_signal;
- struct ewma_signal avg_signal;
u8 chains;
s8 chain_signal_last[IEEE80211_MAX_CHAINS];
- struct ewma_signal chain_signal_avg[IEEE80211_MAX_CHAINS];
- int last_rate_idx;
- u32 last_rate_flag;
- u32 last_rate_vht_flag;
- u8 last_rate_vht_nss;
+ u16 last_rate;
+
+ struct u64_stats_sync syncp;
+ u64 bytes;
u64 msdu[IEEE80211_NUM_TIDS + 1];
} rx_stats;
+ struct {
+ struct ewma_signal signal;
+ struct ewma_signal chain_signal[IEEE80211_MAX_CHAINS];
+ } rx_stats_avg;
/* Plus 1 for non-QoS frames */
__le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];
unsigned long last_tdls_pkt_time;
u64 msdu_retries[IEEE80211_NUM_TIDS + 1];
u64 msdu_failed[IEEE80211_NUM_TIDS + 1];
+ unsigned long last_ack;
} status_stats;
/* Updated from TX path only, no locking requirements */
u8 timer_to_tid[IEEE80211_NUM_TIDS];
#ifdef CONFIG_MAC80211_DEBUGFS
- struct sta_info_debugfsdentries {
- struct dentry *dir;
- bool add_has_run;
- } debugfs;
+ struct dentry *debugfs_dir;
#endif
enum ieee80211_sta_rx_bandwidth cur_max_bandwidth;
void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta);
void ieee80211_sta_ps_deliver_uapsd(struct sta_info *sta);
+unsigned long ieee80211_sta_last_active(struct sta_info *sta);
+
+#define STA_STATS_RATE_INVALID 0
+#define STA_STATS_RATE_VHT 0x8000
+#define STA_STATS_RATE_HT 0x4000
+#define STA_STATS_RATE_LEGACY 0x2000
+#define STA_STATS_RATE_SGI 0x1000
+#define STA_STATS_RATE_BW_SHIFT 9
+#define STA_STATS_RATE_BW_MASK (0x7 << STA_STATS_RATE_BW_SHIFT)
+
+static inline u16 sta_stats_encode_rate(struct ieee80211_rx_status *s)
+{
+ u16 r = s->rate_idx;
+
+ if (s->vht_flag & RX_VHT_FLAG_80MHZ)
+ r |= RATE_INFO_BW_80 << STA_STATS_RATE_BW_SHIFT;
+ else if (s->vht_flag & RX_VHT_FLAG_160MHZ)
+ r |= RATE_INFO_BW_160 << STA_STATS_RATE_BW_SHIFT;
+ else if (s->flag & RX_FLAG_40MHZ)
+ r |= RATE_INFO_BW_40 << STA_STATS_RATE_BW_SHIFT;
+ else if (s->flag & RX_FLAG_10MHZ)
+ r |= RATE_INFO_BW_10 << STA_STATS_RATE_BW_SHIFT;
+ else if (s->flag & RX_FLAG_5MHZ)
+ r |= RATE_INFO_BW_5 << STA_STATS_RATE_BW_SHIFT;
+ else
+ r |= RATE_INFO_BW_20 << STA_STATS_RATE_BW_SHIFT;
+
+ if (s->flag & RX_FLAG_SHORT_GI)
+ r |= STA_STATS_RATE_SGI;
+
+ if (s->flag & RX_FLAG_VHT)
+ r |= STA_STATS_RATE_VHT | (s->vht_nss << 4);
+ else if (s->flag & RX_FLAG_HT)
+ r |= STA_STATS_RATE_HT;
+ else
+ r |= STA_STATS_RATE_LEGACY | (s->band << 4);
+
+ return r;
+}
+
#endif /* STA_INFO_H */
projects / cascardo / linux.git / blobdiff