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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_wlfc.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_wlfc.h')
-rwxr-xr-xdrivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_wlfc.h288
1 files changed, 288 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_wlfc.h b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_wlfc.h
new file mode 100755
index 00000000..de41c073
--- /dev/null
+++ b/drivers/net/wireless/bcmdhd.1.88.45.x.cn/dhd_wlfc.h
@@ -0,0 +1,288 @@
+/*
+* $Copyright Open 2009 Broadcom Corporation$
+* $Id: dhd_wlfc.h 398418 2013-04-24 15:18:27Z $
+*
+*/
+#ifndef __wlfc_host_driver_definitions_h__
+#define __wlfc_host_driver_definitions_h__
+
+#ifdef QMONITOR
+#include <dhd_qmon.h>
+#endif
+
+
+/* 16 bits will provide an absolute max of 65536 slots */
+#define WLFC_HANGER_MAXITEMS 1024
+
+#define WLFC_HANGER_ITEM_STATE_FREE 1
+#define WLFC_HANGER_ITEM_STATE_INUSE 2
+#define WLFC_HANGER_ITEM_STATE_INUSE_SUPPRESSED 3
+
+#define WLFC_PKTID_HSLOT_MASK 0xffff /* allow 16 bits only */
+#define WLFC_PKTID_HSLOT_SHIFT 8
+
+/* x -> TXSTATUS TAG to/from firmware */
+#define WLFC_PKTID_HSLOT_GET(x) \
+ (((x) >> WLFC_PKTID_HSLOT_SHIFT) & WLFC_PKTID_HSLOT_MASK)
+#define WLFC_PKTID_HSLOT_SET(var, slot) \
+ ((var) = ((var) & ~(WLFC_PKTID_HSLOT_MASK << WLFC_PKTID_HSLOT_SHIFT)) | \
+ (((slot) & WLFC_PKTID_HSLOT_MASK) << WLFC_PKTID_HSLOT_SHIFT))
+
+#define WLFC_PKTID_FREERUNCTR_MASK 0xff
+
+#define WLFC_PKTID_FREERUNCTR_GET(x) ((x) & WLFC_PKTID_FREERUNCTR_MASK)
+#define WLFC_PKTID_FREERUNCTR_SET(var, ctr) \
+ ((var) = (((var) & ~WLFC_PKTID_FREERUNCTR_MASK) | \
+ (((ctr) & WLFC_PKTID_FREERUNCTR_MASK))))
+
+#define WLFC_PKTQ_PENQ(pq, prec, p) ((pktq_full((pq)) || pktq_pfull((pq), (prec)))? \
+ NULL : pktq_penq((pq), (prec), (p)))
+#define WLFC_PKTQ_PENQ_HEAD(pq, prec, p) ((pktq_full((pq)) || pktq_pfull((pq), (prec))) ? \
+ NULL : pktq_penq_head((pq), (prec), (p)))
+
+typedef enum ewlfc_packet_state {
+ eWLFC_PKTTYPE_NEW,
+ eWLFC_PKTTYPE_DELAYED,
+ eWLFC_PKTTYPE_SUPPRESSED,
+ eWLFC_PKTTYPE_MAX
+} ewlfc_packet_state_t;
+
+typedef enum ewlfc_mac_entry_action {
+ eWLFC_MAC_ENTRY_ACTION_ADD,
+ eWLFC_MAC_ENTRY_ACTION_DEL,
+ eWLFC_MAC_ENTRY_ACTION_UPDATE,
+ eWLFC_MAC_ENTRY_ACTION_MAX
+} ewlfc_mac_entry_action_t;
+
+typedef struct wlfc_hanger_item {
+ uint8 state;
+ uint8 gen;
+ uint8 pad[2];
+ uint32 identifier;
+ void* pkt;
+#ifdef PROP_TXSTATUS_DEBUG
+ uint32 push_time;
+#endif
+} wlfc_hanger_item_t;
+
+typedef struct wlfc_hanger {
+ int max_items;
+ uint32 pushed;
+ uint32 popped;
+ uint32 failed_to_push;
+ uint32 failed_to_pop;
+ uint32 failed_slotfind;
+ uint32 slot_pos;
+ wlfc_hanger_item_t items[1];
+} wlfc_hanger_t;
+
+#define WLFC_HANGER_SIZE(n) ((sizeof(wlfc_hanger_t) - \
+ sizeof(wlfc_hanger_item_t)) + ((n)*sizeof(wlfc_hanger_item_t)))
+
+#define WLFC_STATE_OPEN 1
+#define WLFC_STATE_CLOSE 2
+
+#define WLFC_PSQ_PREC_COUNT ((AC_COUNT + 1) * 2) /* 2 for each AC traffic and bc/mc */
+
+#define WLFC_PSQ_LEN 2048
+
+#define WLFC_FLOWCONTROL_HIWATER (2048 - 256)
+#define WLFC_FLOWCONTROL_LOWATER 256
+
+typedef struct wlfc_mac_descriptor {
+ uint8 occupied;
+ uint8 interface_id;
+ uint8 iftype;
+ uint8 state;
+ uint8 ac_bitmap; /* for APSD */
+ uint8 requested_credit;
+ uint8 requested_packet;
+ uint8 ea[ETHER_ADDR_LEN];
+ /*
+ maintain (MAC,AC) based seq count for
+ packets going to the device. As well as bc/mc.
+ */
+ uint8 seq[AC_COUNT + 1];
+ uint8 generation;
+ struct pktq psq;
+ /* The AC pending bitmap that was reported to the fw at last change */
+ uint8 traffic_lastreported_bmp;
+ /* The new AC pending bitmap */
+ uint8 traffic_pending_bmp;
+ /* 1= send on next opportunity */
+ uint8 send_tim_signal;
+ uint8 mac_handle;
+ /* Number of packets in transit for this entry. */
+ uint transit_count;
+ /* Numbe of suppression to wait before evict from delayQ */
+ uint suppr_transit_count;
+ /* Used when a new suppress is detected to track the number of
+ * packets getting suppressed
+ */
+ uint suppress_count;
+ /* flag. TRUE when in suppress state */
+ uint8 suppressed;
+ uint8 deleting;
+
+#ifdef QMONITOR
+ dhd_qmon_t qmon;
+#endif /* QMONITOR */
+
+#ifdef PROP_TXSTATUS_DEBUG
+ uint32 dstncredit_sent_packets;
+ uint32 dstncredit_acks;
+ uint32 opened_ct;
+ uint32 closed_ct;
+#endif
+} wlfc_mac_descriptor_t;
+
+#define WLFC_DECR_SEQCOUNT(entry, prec) do { if (entry->seq[(prec)] == 0) {\
+ entry->seq[prec] = 0xff; } else entry->seq[prec]--;} while (0)
+
+#define WLFC_INCR_SEQCOUNT(entry, prec) entry->seq[(prec)]++
+#define WLFC_SEQCOUNT(entry, prec) entry->seq[(prec)]
+
+typedef struct athost_wl_stat_counters {
+ uint32 pktin;
+ uint32 pkt2bus;
+ uint32 pktdropped;
+ uint32 tlv_parse_failed;
+ uint32 rollback;
+ uint32 rollback_failed;
+ uint32 delayq_full_error;
+ uint32 credit_request_failed;
+ uint32 packet_request_failed;
+ uint32 mac_update_failed;
+ uint32 psmode_update_failed;
+ uint32 interface_update_failed;
+ uint32 wlfc_header_only_pkt;
+ uint32 txstatus_in;
+ uint32 d11_suppress;
+ uint32 wl_suppress;
+ uint32 bad_suppress;
+ uint32 pkt_freed;
+ uint32 pkt_free_err;
+ uint32 psq_wlsup_retx;
+ uint32 psq_wlsup_enq;
+ uint32 psq_d11sup_retx;
+ uint32 psq_d11sup_enq;
+ uint32 psq_hostq_retx;
+ uint32 psq_hostq_enq;
+ uint32 mac_handle_notfound;
+ uint32 wlc_tossed_pkts;
+ uint32 dhd_hdrpulls;
+ uint32 generic_error;
+ /* an extra one for bc/mc traffic */
+ uint32 send_pkts[AC_COUNT + 1];
+#ifdef PROP_TXSTATUS_DEBUG
+ /* all pkt2bus -> txstatus latency accumulated */
+ uint32 latency_sample_count;
+ uint32 total_status_latency;
+ uint32 latency_most_recent;
+ int idx_delta;
+ uint32 deltas[10];
+ uint32 fifo_credits_sent[6];
+ uint32 fifo_credits_back[6];
+ uint32 dropped_qfull[6];
+ uint32 signal_only_pkts_sent;
+ uint32 signal_only_pkts_freed;
+#endif
+} athost_wl_stat_counters_t;
+
+#ifdef PROP_TXSTATUS_DEBUG
+#define WLFC_HOST_FIFO_CREDIT_INC_SENTCTRS(ctx, ac) do { \
+ (ctx)->stats.fifo_credits_sent[(ac)]++;} while (0)
+#define WLFC_HOST_FIFO_CREDIT_INC_BACKCTRS(ctx, ac) do { \
+ (ctx)->stats.fifo_credits_back[(ac)]++;} while (0)
+#define WLFC_HOST_FIFO_DROPPEDCTR_INC(ctx, ac) do { \
+ (ctx)->stats.dropped_qfull[(ac)]++;} while (0)
+#else
+#define WLFC_HOST_FIFO_CREDIT_INC_SENTCTRS(ctx, ac) do {} while (0)
+#define WLFC_HOST_FIFO_CREDIT_INC_BACKCTRS(ctx, ac) do {} while (0)
+#define WLFC_HOST_FIFO_DROPPEDCTR_INC(ctx, ac) do {} while (0)
+#endif
+
+#define WLFC_FCMODE_NONE 0
+#define WLFC_FCMODE_IMPLIED_CREDIT 1
+#define WLFC_FCMODE_EXPLICIT_CREDIT 2
+
+/* How long to defer borrowing in milliseconds */
+#define WLFC_BORROW_DEFER_PERIOD_MS 100
+
+/* Mask to represent available ACs (note: BC/MC is ignored */
+#define WLFC_AC_MASK 0xF
+
+/* Mask to check for only on-going AC_BE traffic */
+#define WLFC_AC_BE_TRAFFIC_ONLY 0xD
+
+typedef struct athost_wl_status_info {
+ uint8 last_seqid_to_wlc;
+
+ /* OSL handle */
+ osl_t* osh;
+ /* dhd pub */
+ void* dhdp;
+
+ /* stats */
+ athost_wl_stat_counters_t stats;
+
+ /* the additional ones are for bc/mc and ATIM FIFO */
+ int FIFO_credit[AC_COUNT + 2];
+
+ /* Credit borrow counts for each FIFO from each of the other FIFOs */
+ int credits_borrowed[AC_COUNT + 2][AC_COUNT + 2];
+
+ /* packet hanger and MAC->handle lookup table */
+ void* hanger;
+ struct {
+ /* table for individual nodes */
+ wlfc_mac_descriptor_t nodes[WLFC_MAC_DESC_TABLE_SIZE];
+ /* table for interfaces */
+ wlfc_mac_descriptor_t interfaces[WLFC_MAX_IFNUM];
+ /* OS may send packets to unknown (unassociated) destinations */
+ /* A place holder for bc/mc and packets to unknown destinations */
+ wlfc_mac_descriptor_t other;
+ } destination_entries;
+ /* token position for different priority packets */
+ uint8 token_pos[AC_COUNT+1];
+ /* ON/OFF state for flow control to the host network interface */
+ uint8 hostif_flow_state[WLFC_MAX_IFNUM];
+ uint8 host_ifidx;
+ /* to flow control an OS interface */
+ uint8 toggle_host_if;
+
+ /*
+ Mode in which the dhd flow control shall operate. Must be set before
+ traffic starts to the device.
+ 0 - Do not do any proptxtstatus flow control
+ 1 - Use implied credit from a packet status
+ 2 - Use explicit credit
+ */
+ uint8 proptxstatus_mode;
+
+ /* To borrow credits */
+ uint8 allow_credit_borrow;
+
+ /* Timestamp to compute how long to defer borrowing for */
+ uint32 borrow_defer_timestamp;
+
+} athost_wl_status_info_t;
+
+int dhd_wlfc_enable(dhd_pub_t *dhd);
+int dhd_wlfc_interface_event(struct dhd_info *,
+ ewlfc_mac_entry_action_t action, uint8 ifid, uint8 iftype, uint8* ea);
+int dhd_wlfc_FIFOcreditmap_event(struct dhd_info *dhd, uint8* event_data);
+int dhd_wlfc_event(struct dhd_info *dhd);
+int dhd_os_wlfc_block(dhd_pub_t *pub);
+int dhd_os_wlfc_unblock(dhd_pub_t *pub);
+
+void dhd_wlfc_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf);
+int dhd_wlfc_init(dhd_pub_t *dhd);
+void dhd_wlfc_deinit(dhd_pub_t *dhd);
+int dhd_wlfc_parse_header_info(dhd_pub_t *dhd, void* pktbuf, int tlv_hdr_len,
+ uchar *reorder_info_buf, uint *reorder_info_len);
+int dhd_wlfc_commit_packets(void* state, f_commitpkt_t fcommit,
+ void* commit_ctx, void *pktbuf);
+void dhd_wlfc_cleanup(dhd_pub_t *dhd, ifpkt_cb_t fn, int arg);
+bool ifpkt_fn(void* p, int ifid);
+#endif /* __wlfc_host_driver_definitions_h__ */