aboutsummaryrefslogtreecommitdiff
path: root/sys/dev/ath/ath_rate/amrr/amrr.h
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/ath/ath_rate/amrr/amrr.h')
-rw-r--r--sys/dev/ath/ath_rate/amrr/amrr.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/sys/dev/ath/ath_rate/amrr/amrr.h b/sys/dev/ath/ath_rate/amrr/amrr.h
new file mode 100644
index 000000000000..908a74722ded
--- /dev/null
+++ b/sys/dev/ath/ath_rate/amrr/amrr.h
@@ -0,0 +1,79 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2004 INRIA
+ * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer,
+ without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+ * redistribution must be conditioned upon including a substantially
+ * similar Disclaimer requirement for further binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef _DEV_ATH_RATE_AMRR_H
+#define _DEV_ATH_RATE_AMRR_H
+
+/* per-device state */
+struct amrr_softc {
+ struct ath_ratectrl arc; /* base state */
+};
+
+/* per-node state */
+struct amrr_node {
+ int amn_rix; /* current rate index */
+ int amn_ticks; /* time of last update */
+ int amn_interval; /* update interval (ticks) */
+ /* AMRR statistics for this node */
+ u_int amn_tx_try0_cnt;
+ u_int amn_tx_try1_cnt;
+ u_int amn_tx_try2_cnt;
+ u_int amn_tx_try3_cnt;
+ u_int amn_tx_failure_cnt;
+ /* AMRR algorithm state for this node */
+ u_int amn_success_threshold;
+ u_int amn_success;
+ u_int amn_recovery;
+ /* rate index et al. */
+ u_int8_t amn_tx_rix0; /* series 0 rate index */
+ u_int8_t amn_tx_rate0; /* series 0 h/w rate */
+ u_int8_t amn_tx_rate1; /* series 1 h/w rate */
+ u_int8_t amn_tx_rate2; /* series 2 h/w rate */
+ u_int8_t amn_tx_rate3; /* series 3 h/w rate */
+ u_int8_t amn_tx_rate0sp; /* series 0 short preamble h/w rate */
+ u_int8_t amn_tx_rate1sp; /* series 1 short preamble h/w rate */
+ u_int8_t amn_tx_rate2sp; /* series 2 short preamble h/w rate */
+ u_int8_t amn_tx_rate3sp; /* series 3 short preamble h/w rate */
+ u_int8_t amn_tx_try0; /* series 0 try count */
+ u_int amn_tx_try1; /* series 1 try count */
+ u_int amn_tx_try2; /* series 2 try count */
+ u_int amn_tx_try3; /* series 3 try count */
+};
+#define ATH_NODE_AMRR(an) ((struct amrr_node *)&an[1])
+#endif /* _DEV_ATH_RATE_AMRR_H */