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authorGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 09:44:56 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 09:44:56 -0700
commite4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7 (patch)
treeea51b391f7d74ca695dcb9f5e46eb02688a92ed9 /drivers/staging/brcm80211/sys/wlc_scb.h
parent81280572ca6f54009edfa4deee563e8678784218 (diff)
parenta4ac0d847af9dd34d5953a5e264400326144b6b2 (diff)
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Merge 'staging-next' to Linus's tree
This merges the staging-next tree to Linus's tree and resolves some conflicts that were present due to changes in other trees that were affected by files here. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/brcm80211/sys/wlc_scb.h')
-rw-r--r--drivers/staging/brcm80211/sys/wlc_scb.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/sys/wlc_scb.h b/drivers/staging/brcm80211/sys/wlc_scb.h
new file mode 100644
index 0000000..ce26c74
--- /dev/null
+++ b/drivers/staging/brcm80211/sys/wlc_scb.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _wlc_scb_h_
+#define _wlc_scb_h_
+
+#include <proto/802.1d.h>
+
+extern bool wlc_aggregatable(wlc_info_t *wlc, u8 tid);
+
+#define AMPDU_TX_BA_MAX_WSIZE 64 /* max Tx ba window size (in pdu) */
+/* structure to store per-tid state for the ampdu initiator */
+typedef struct scb_ampdu_tid_ini {
+ u32 magic;
+ u8 tx_in_transit; /* number of pending mpdus in transit in driver */
+ u8 tid; /* initiator tid for easy lookup */
+ u8 txretry[AMPDU_TX_BA_MAX_WSIZE]; /* tx retry count; indexed by seq modulo */
+ struct scb *scb; /* backptr for easy lookup */
+} scb_ampdu_tid_ini_t;
+
+#define AMPDU_MAX_SCB_TID NUMPRIO
+
+typedef struct scb_ampdu {
+ struct scb *scb; /* back pointer for easy reference */
+ u8 mpdu_density; /* mpdu density */
+ u8 max_pdu; /* max pdus allowed in ampdu */
+ u8 release; /* # of mpdus released at a time */
+ u16 min_len; /* min mpdu len to support the density */
+ u32 max_rxlen; /* max ampdu rcv length; 8k, 16k, 32k, 64k */
+ struct pktq txq; /* sdu transmit queue pending aggregation */
+
+ /* This could easily be a ini[] pointer and we keep this info in wl itself instead
+ * of having mac80211 hold it for us. Also could be made dynamic per tid instead of
+ * static.
+ */
+ scb_ampdu_tid_ini_t ini[AMPDU_MAX_SCB_TID]; /* initiator info - per tid (NUMPRIO) */
+} scb_ampdu_t;
+
+#define SCB_MAGIC 0xbeefcafe
+#define INI_MAGIC 0xabcd1234
+
+/* station control block - one per remote MAC address */
+struct scb {
+ u32 magic;
+ u32 flags; /* various bit flags as defined below */
+ u32 flags2; /* various bit flags2 as defined below */
+ u8 state; /* current state bitfield of auth/assoc process */
+ struct ether_addr ea; /* station address */
+ void *fragbuf[NUMPRIO]; /* defragmentation buffer per prio */
+ uint fragresid[NUMPRIO]; /* #bytes unused in frag buffer per prio */
+
+ u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */
+ u16 seqctl_nonqos; /* seqctl of last received frame (for dups) for
+ * non-QoS data and management
+ */
+ u16 seqnum[NUMPRIO]; /* WME: driver maintained sw seqnum per priority */
+
+ scb_ampdu_t scb_ampdu; /* AMPDU state including per tid info */
+};
+
+/* scb flags */
+#define SCB_WMECAP 0x0040 /* may ONLY be set if WME_ENAB(wlc) */
+#define SCB_HTCAP 0x10000 /* HT (MIMO) capable device */
+#define SCB_IS40 0x80000 /* 40MHz capable */
+#define SCB_STBCCAP 0x40000000 /* STBC Capable */
+#define SCB_WME(a) ((a)->flags & SCB_WMECAP)/* implies WME_ENAB */
+#define SCB_SEQNUM(scb, prio) ((scb)->seqnum[(prio)])
+#define SCB_PS(a) NULL
+#define SCB_STBC_CAP(a) ((a)->flags & SCB_STBCCAP)
+#define SCB_AMPDU(a) true
+#endif /* _wlc_scb_h_ */
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