1 files changed, 149 insertions, 15 deletions

diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 1f91eaf95bbe..2a2dec75f026 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -74,23 +74,21 @@ struct RGF_ICR {
 } __packed;
 
 /* registers - FW addresses */
-#define RGF_USER_USER_SCRATCH_PAD       (0x8802bc)
-#define RGF_USER_USER_ICR               (0x880b4c) /* struct RGF_ICR */
-        #define BIT_USER_USER_ICR_SW_INT_2      BIT(18)
-#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
-#define RGF_USER_MAC_CPU_0              (0x8801fc)
+#define RGF_USER_HW_MACHINE_STATE       (0x8801dc)
+        #define HW_MACHINE_BOOT_DONE    (0x3fffffd)
 #define RGF_USER_USER_CPU_0             (0x8801e0)
+#define RGF_USER_MAC_CPU_0              (0x8801fc)
+#define RGF_USER_USER_SCRATCH_PAD       (0x8802bc)
+#define RGF_USER_FW_REV_ID              (0x880a8c) /* chip revision */
+#define RGF_USER_CLKS_CTL_0             (0x880abc)
+        #define BIT_USER_CLKS_RST_PWGD  BIT(11) /* reset on "power good" */
 #define RGF_USER_CLKS_CTL_SW_RST_VEC_0  (0x880b04)
 #define RGF_USER_CLKS_CTL_SW_RST_VEC_1  (0x880b08)
 #define RGF_USER_CLKS_CTL_SW_RST_VEC_2  (0x880b0c)
 #define RGF_USER_CLKS_CTL_SW_RST_VEC_3  (0x880b10)
-
-#define RGF_DMA_PSEUDO_CAUSE            (0x881c68)
-#define RGF_DMA_PSEUDO_CAUSE_MASK_SW    (0x881c6c)
-#define RGF_DMA_PSEUDO_CAUSE_MASK_FW    (0x881c70)
-        #define BIT_DMA_PSEUDO_CAUSE_RX         BIT(0)
-        #define BIT_DMA_PSEUDO_CAUSE_TX         BIT(1)
-        #define BIT_DMA_PSEUDO_CAUSE_MISC       BIT(2)
+#define RGF_USER_CLKS_CTL_SW_RST_MASK_0 (0x880b14)
+#define RGF_USER_USER_ICR               (0x880b4c) /* struct RGF_ICR */
+        #define BIT_USER_USER_ICR_SW_INT_2      BIT(18)
 
 #define RGF_DMA_EP_TX_ICR               (0x881bb4) /* struct RGF_ICR */
         #define BIT_DMA_EP_TX_ICR_TX_DONE       BIT(0)
@@ -105,13 +103,22 @@ struct RGF_ICR {
 /* Interrupt moderation control */
 #define RGF_DMA_ITR_CNT_TRSH            (0x881c5c)
 #define RGF_DMA_ITR_CNT_DATA            (0x881c60)
-#define RGF_DMA_ITR_CNT_CRL             (0x881C64)
+#define RGF_DMA_ITR_CNT_CRL             (0x881c64)
         #define BIT_DMA_ITR_CNT_CRL_EN          BIT(0)
         #define BIT_DMA_ITR_CNT_CRL_EXT_TICK    BIT(1)
         #define BIT_DMA_ITR_CNT_CRL_FOREVER     BIT(2)
         #define BIT_DMA_ITR_CNT_CRL_CLR         BIT(3)
         #define BIT_DMA_ITR_CNT_CRL_REACH_TRSH  BIT(4)
 
+#define RGF_DMA_PSEUDO_CAUSE            (0x881c68)
+#define RGF_DMA_PSEUDO_CAUSE_MASK_SW    (0x881c6c)
+#define RGF_DMA_PSEUDO_CAUSE_MASK_FW    (0x881c70)
+        #define BIT_DMA_PSEUDO_CAUSE_RX         BIT(0)
+        #define BIT_DMA_PSEUDO_CAUSE_TX         BIT(1)
+        #define BIT_DMA_PSEUDO_CAUSE_MISC       BIT(2)
+
+#define RGF_PCIE_LOS_COUNTER_CTL        (0x882dc4)
+
 /* popular locations */
 #define HOST_MBOX   HOSTADDR(RGF_USER_USER_SCRATCH_PAD)
 #define HOST_SW_INT (HOSTADDR(RGF_USER_USER_ICR) + \
@@ -125,6 +132,31 @@ struct RGF_ICR {
 
 /* Hardware definitions end */
 
+/**
+ * mk_cidxtid - construct @cidxtid field
+ * @cid: CID value
+ * @tid: TID value
+ *
+ * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
+ */
+static inline u8 mk_cidxtid(u8 cid, u8 tid)
+{
+        return ((tid & 0xf) << 4) | (cid & 0xf);
+}
+
+/**
+ * parse_cidxtid - parse @cidxtid field
+ * @cid: store CID value here
+ * @tid: store TID value here
+ *
+ * @cidxtid field encoded as bits 0..3 - CID; 4..7 - TID
+ */
+static inline void parse_cidxtid(u8 cidxtid, u8 *cid, u8 *tid)
+{
+        *cid = cidxtid & 0xf;
+        *tid = (cidxtid >> 4) & 0xf;
+}
+
 struct wil6210_mbox_ring {
         u32 base;
         u16 entry_size; /* max. size of mbox entry, incl. all headers */
@@ -184,12 +216,19 @@ struct pending_wmi_event {
         } __packed event;
 };
 
+enum { /* for wil_ctx.mapped_as */
+        wil_mapped_as_none = 0,
+        wil_mapped_as_single = 1,
+        wil_mapped_as_page = 2,
+};
+
 /**
  * struct wil_ctx - software context for Vring descriptor
  */
 struct wil_ctx {
         struct sk_buff *skb;
-        u8 mapped_as_page:1;
+        u8 nr_frags;
+        u8 mapped_as;
 };
 
 union vring_desc;
@@ -204,6 +243,14 @@ struct vring {
         struct wil_ctx *ctx; /* ctx[size] - software context */
 };
 
+/**
+ * Additional data for Tx Vring
+ */
+struct vring_tx_data {
+        int enabled;
+
+};
+
 enum { /* for wil6210_priv.status */
         wil_status_fwready = 0,
         wil_status_fwconnecting,
@@ -211,10 +258,51 @@ enum { /* for wil6210_priv.status */
         wil_status_dontscan,
         wil_status_reset_done,
         wil_status_irqen, /* FIXME: interrupts enabled - for debug */
+        wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
 };
 
 struct pci_dev;
 
+/**
+ * struct tid_ampdu_rx - TID aggregation information (Rx).
+ *
+ * @reorder_buf: buffer to reorder incoming aggregated MPDUs
+ * @reorder_time: jiffies when skb was added
+ * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value)
+ * @reorder_timer: releases expired frames from the reorder buffer.
+ * @last_rx: jiffies of last rx activity
+ * @head_seq_num: head sequence number in reordering buffer.
+ * @stored_mpdu_num: number of MPDUs in reordering buffer
+ * @ssn: Starting Sequence Number expected to be aggregated.
+ * @buf_size: buffer size for incoming A-MPDUs
+ * @timeout: reset timer value (in TUs).
+ * @dialog_token: dialog token for aggregation session
+ * @rcu_head: RCU head used for freeing this struct
+ * @reorder_lock: serializes access to reorder buffer, see below.
+ *
+ * This structure's lifetime is managed by RCU, assignments to
+ * the array holding it must hold the aggregation mutex.
+ *
+ * The @reorder_lock is used to protect the members of this
+ * struct, except for @timeout, @buf_size and @dialog_token,
+ * which are constant across the lifetime of the struct (the
+ * dialog token being used only for debugging).
+ */
+struct wil_tid_ampdu_rx {
+        spinlock_t reorder_lock; /* see above */
+        struct sk_buff **reorder_buf;
+        unsigned long *reorder_time;
+        struct timer_list session_timer;
+        struct timer_list reorder_timer;
+        unsigned long last_rx;
+        u16 head_seq_num;
+        u16 stored_mpdu_num;
+        u16 ssn;
+        u16 buf_size;
+        u16 timeout;
+        u8 dialog_token;
+};
+
 struct wil6210_stats {
         u64 tsf;
         u32 snr;
@@ -226,6 +314,43 @@ struct wil6210_stats {
         u16 peer_tx_sector;
 };
 
+enum wil_sta_status {
+        wil_sta_unused = 0,
+        wil_sta_conn_pending = 1,
+        wil_sta_connected = 2,
+};
+
+#define WIL_STA_TID_NUM (16)
+
+struct wil_net_stats {
+        unsigned long   rx_packets;
+        unsigned long   tx_packets;
+        unsigned long   rx_bytes;
+        unsigned long   tx_bytes;
+        unsigned long   tx_errors;
+        unsigned long   rx_dropped;
+        u16 last_mcs_rx;
+};
+
+/**
+ * struct wil_sta_info - data for peer
+ *
+ * Peer identified by its CID (connection ID)
+ * NIC performs beam forming for each peer;
+ * if no beam forming done, frame exchange is not
+ * possible.
+ */
+struct wil_sta_info {
+        u8 addr[ETH_ALEN];
+        enum wil_sta_status status;
+        struct wil_net_stats stats;
+        bool data_port_open; /* can send any data, not only EAPOL */
+        /* Rx BACK */
+        struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM];
+        unsigned long tid_rx_timer_expired[BITS_TO_LONGS(WIL_STA_TID_NUM)];
+        unsigned long tid_rx_stop_requested[BITS_TO_LONGS(WIL_STA_TID_NUM)];
+};
+
 struct wil6210_priv {
         struct pci_dev *pdev;
         int n_msi;
@@ -233,6 +358,7 @@ struct wil6210_priv {
         void __iomem *csr;
         ulong status;
         u32 fw_version;
+        u32 hw_version;
         u8 n_mids; /* number of additional MIDs as reported by FW */
         /* profile */
         u32 monitor_flags;
@@ -253,6 +379,7 @@ struct wil6210_priv {
         struct workqueue_struct *wmi_wq_conn; /* for connect worker */
         struct work_struct connect_worker;
         struct work_struct disconnect_worker;
+        struct work_struct fw_error_worker;     /* for FW error recovery */
         struct timer_list connect_timer;
         int pending_connect_cid;
         struct list_head pending_wmi_ev;
@@ -267,7 +394,9 @@ struct wil6210_priv {
         /* DMA related */
         struct vring vring_rx;
         struct vring vring_tx[WIL6210_MAX_TX_RINGS];
-        u8 dst_addr[WIL6210_MAX_TX_RINGS][ETH_ALEN];
+        struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS];
+        u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */
+        struct wil_sta_info sta[WIL6210_MAX_CID];
         /* scan */
         struct cfg80211_scan_request *scan_request;
 
@@ -329,11 +458,13 @@ void wil_if_remove(struct wil6210_priv *wil);
 int wil_priv_init(struct wil6210_priv *wil);
 void wil_priv_deinit(struct wil6210_priv *wil);
 int wil_reset(struct wil6210_priv *wil);
+void wil_fw_error_recovery(struct wil6210_priv *wil);
 void wil_link_on(struct wil6210_priv *wil);
 void wil_link_off(struct wil6210_priv *wil);
 int wil_up(struct wil6210_priv *wil);
 int wil_down(struct wil6210_priv *wil);
 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
+int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
 
 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
@@ -357,8 +488,11 @@ int wmi_echo(struct wil6210_priv *wil);
 int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
 int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
 int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
+int wmi_rxon(struct wil6210_priv *wil, bool on);
 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
+int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
 
+void wil6210_clear_irq(struct wil6210_priv *wil);
 int wil6210_init_irq(struct wil6210_priv *wil, int irq);
 void wil6210_fini_irq(struct wil6210_priv *wil, int irq);
 void wil6210_disable_irq(struct wil6210_priv *wil);