summaryrefslogtreecommitdiffstats
path: root/include/uapi/linux/atm_zatm.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/atm_zatm.h')
-rw-r--r--include/uapi/linux/atm_zatm.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/uapi/linux/atm_zatm.h b/include/uapi/linux/atm_zatm.h
new file mode 100644
index 000000000..5135027b9
--- /dev/null
+++ b/include/uapi/linux/atm_zatm.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by
+ driver-specific utilities) */
+
+/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
+
+
+#ifndef LINUX_ATM_ZATM_H
+#define LINUX_ATM_ZATM_H
+
+/*
+ * Note: non-kernel programs including this file must also include
+ * sys/types.h for struct timeval
+ */
+
+#include <linux/atmapi.h>
+#include <linux/atmioc.h>
+
+#define ZATM_GETPOOL _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)
+ /* get pool statistics */
+#define ZATM_GETPOOLZ _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc)
+ /* get statistics and zero */
+#define ZATM_SETPOOL _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc)
+ /* set pool parameters */
+
+struct zatm_pool_info {
+ int ref_count; /* free buffer pool usage counters */
+ int low_water,high_water; /* refill parameters */
+ int rqa_count,rqu_count; /* queue condition counters */
+ int offset,next_off; /* alignment optimizations: offset */
+ int next_cnt,next_thres; /* repetition counter and threshold */
+};
+
+struct zatm_pool_req {
+ int pool_num; /* pool number */
+ struct zatm_pool_info info; /* actual information */
+};
+
+#define ZATM_OAM_POOL 0 /* free buffer pool for OAM cells */
+#define ZATM_AAL0_POOL 1 /* free buffer pool for AAL0 cells */
+#define ZATM_AAL5_POOL_BASE 2 /* first AAL5 free buffer pool */
+#define ZATM_LAST_POOL ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */
+
+#define ZATM_TIMER_HISTORY_SIZE 16 /* number of timer adjustments to
+ record; must be 2^n */
+
+#endif