Author: adrian
Date: Fri Jul 20 01:27:20 2012
New Revision: 238632
URL: http://svn.freebsd.org/changeset/base/238632
Log:
Create an ioctl API for fetching the current rate control information.
Modified:
head/sys/dev/ath/if_athioctl.h
head/sys/dev/ath/if_athrate.h
Modified: head/sys/dev/ath/if_athioctl.h
==============================================================================
--- head/sys/dev/ath/if_athioctl.h Fri Jul 20 01:11:53 2012
(r238631)
+++ head/sys/dev/ath/if_athioctl.h Fri Jul 20 01:27:20 2012
(r238632)
@@ -186,6 +186,40 @@ struct ath_diag {
#define SIOCGATHDIAG _IOWR('i', 138, struct ath_diag)
#define SIOCGATHPHYERR _IOWR('i', 140, struct ath_diag)
+
+/*
+ * The rate control ioctl has to support multiple potential rate
+ * control classes. For now, instead of trying to support an
+ * abstraction for this in the API, let's just use a TLV
+ * representation for the payload and let userspace sort it out.
+ */
+struct ath_rateioctl_tlv {
+ uint16_t tlv_id;
+ uint16_t tlv_len; /* length excluding TLV header */
+};
+
+/*
+ * This is purely the six byte MAC address.
+ */
+#define ATH_RATE_TLV_MACADDR 0xaab0
+
+/*
+ * This is the sample node statistics structure.
+ * More in ath_rate/sample/sample.h.
+ */
+#define ATH_RATE_TLV_SAMPLENODE 0xaab2
+
+struct ath_rateioctl {
+ char if_name[IFNAMSIZ]; /* if name */
+ union {
+ uint8_t macaddr[IEEE80211_ADDR_LEN];
+ uint64_t pad;
+ } is_u;
+ uint32_t len;
+ caddr_t buf;
+};
+#define SIOCGATHNODERATESTATS _IOWR('i', 149, struct ath_rateioctl)
+
/*
* Radio capture format.
*/
Modified: head/sys/dev/ath/if_athrate.h
==============================================================================
--- head/sys/dev/ath/if_athrate.h Fri Jul 20 01:11:53 2012
(r238631)
+++ head/sys/dev/ath/if_athrate.h Fri Jul 20 01:27:20 2012
(r238632)
@@ -150,4 +150,16 @@ struct ath_buf;
void ath_rate_tx_complete(struct ath_softc *, struct ath_node *,
const struct ath_rc_series *, const struct ath_tx_status *,
int pktlen, int nframes, int nbad);
+
+/*
+ * Fetch the global rate control statistics.
+ */
+int ath_rate_fetch_stats(struct ath_softc *sc, struct ath_rateioctl *rs);
+
+/*
+ * Fetch the per-node statistics.
+ */
+int ath_rate_fetch_node_stats(struct ath_softc *sc, struct ath_node *an,
+ struct ath_rateioctl *rs);
+
#endif /* _ATH_RATECTRL_H_ */
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