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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/scb.h')
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/scb.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/scb.h b/drivers/net/wireless/brcm80211/brcmsmac/scb.h
new file mode 100644
index 000000000000..51c79c7239b7
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmsmac/scb.h
@@ -0,0 +1,82 @@
+/*
+ * 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 _BRCM_SCB_H_
+#define _BRCM_SCB_H_
+
+#include <linux/if_ether.h>
+#include <brcmu_utils.h>
+#include <defs.h>
+#include "types.h"
+
+#define AMPDU_TX_BA_MAX_WSIZE 64 /* max Tx ba window size (in pdu) */
+
+#define AMPDU_MAX_SCB_TID NUMPRIO
+
+/* scb flags */
+#define SCB_WMECAP 0x0040
+#define SCB_HTCAP 0x10000 /* HT (MIMO) capable device */
+#define SCB_IS40 0x80000 /* 40MHz capable */
+#define SCB_STBCCAP 0x40000000 /* STBC Capable */
+
+#define SCB_MAGIC 0xbeefcafe
+
+/* structure to store per-tid state for the ampdu initiator */
+struct scb_ampdu_tid_ini {
+ u8 tx_in_transit; /* number of pending mpdus in transit in driver */
+ u8 tid; /* initiator tid for easy lookup */
+ /* tx retry count; indexed by seq modulo */
+ u8 txretry[AMPDU_TX_BA_MAX_WSIZE];
+ struct scb *scb; /* backptr for easy lookup */
+ u8 ba_wsize; /* negotiated ba window size (in pdu) */
+};
+
+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_rx_ampdu_bytes; /* max ampdu rcv length; 8k, 16k, 32k, 64k */
+
+ /*
+ * 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.
+ */
+ /* initiator info - per tid (NUMPRIO): */
+ struct scb_ampdu_tid_ini ini[AMPDU_MAX_SCB_TID];
+};
+
+/* 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 */
+ u8 ea[ETH_ALEN]; /* station address */
+ uint fragresid[NUMPRIO];/* #bytes unused in frag buffer per prio */
+
+ u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */
+ /* seqctl of last received frame (for dups) for non-QoS data and
+ * management */
+ u16 seqctl_nonqos;
+ u16 seqnum[NUMPRIO];/* WME: driver maintained sw seqnum per priority */
+
+ struct scb_ampdu scb_ampdu; /* AMPDU state including per tid info */
+};
+
+#endif /* _BRCM_SCB_H_ */