[src/trunk]: src/sys/dev/pci/ixgbe Add rxd_nxck (Receive Descriptor next to c...

[msaitoh <msaitoh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fdfa2eb94340
branches:  trunk
changeset: 362014:fdfa2eb94340
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Wed May 23 04:37:13 2018 +0000

description:
Add rxd_nxck (Receive Descriptor next to check) read only sysctl.

diffstat:

 sys/dev/pci/ixgbe/ixgbe.c |  32 +++++++++++++++++++++++++++++++-
 sys/dev/pci/ixgbe/ixv.c   |  32 +++++++++++++++++++++++++++++++-
 2 files changed, 62 insertions(+), 2 deletions(-)

diffs (120 lines):

diff -r f6e1f31e2cb6 -r fdfa2eb94340 sys/dev/pci/ixgbe/ixgbe.c
--- a/sys/dev/pci/ixgbe/ixgbe.c Wed May 23 02:08:40 2018 +0000
+++ b/sys/dev/pci/ixgbe/ixgbe.c Wed May 23 04:37:13 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe.c,v 1.153 2018/05/18 10:09:02 msaitoh Exp $ */
+/* $NetBSD: ixgbe.c,v 1.154 2018/05/23 04:37:13 msaitoh Exp $ */
 
 /******************************************************************************
 
@@ -236,6 +236,7 @@
 static int     ixgbe_sysctl_power_state(SYSCTLFN_PROTO);
 static int     ixgbe_sysctl_print_rss_config(SYSCTLFN_PROTO);
 #endif
+static int      ixgbe_sysctl_next_to_check_handler(SYSCTLFN_PROTO);
 static int      ixgbe_sysctl_rdh_handler(SYSCTLFN_PROTO);
 static int      ixgbe_sysctl_rdt_handler(SYSCTLFN_PROTO);
 static int      ixgbe_sysctl_tdt_handler(SYSCTLFN_PROTO);
@@ -1817,6 +1818,14 @@
                if (sysctl_createv(log, 0, &rnode, &cnode,
                    CTLFLAG_READONLY,
                    CTLTYPE_INT,
+                   "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"),
+                       ixgbe_sysctl_next_to_check_handler, 0, (void *)rxr, 0,
+                   CTL_CREATE, CTL_EOL) != 0)
+                       break;
+
+               if (sysctl_createv(log, 0, &rnode, &cnode,
+                   CTLFLAG_READONLY,
+                   CTLTYPE_INT,
                    "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"),
                    ixgbe_sysctl_rdh_handler, 0, (void *)rxr, 0,
                    CTL_CREATE, CTL_EOL) != 0)
@@ -2179,6 +2188,27 @@
 } /* ixgbe_sysctl_tdt_handler */
 
 /************************************************************************
+ * ixgbe_sysctl_next_to_check_handler - Receive Descriptor next to check
+ * handler function
+ *
+ *   Retrieves the next_to_check value
+ ************************************************************************/
+static int 
+ixgbe_sysctl_next_to_check_handler(SYSCTLFN_ARGS)
+{
+       struct sysctlnode node = *rnode;
+       struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data;
+       uint32_t val;
+
+       if (!rxr)
+               return (0);
+
+       val = rxr->next_to_check;
+       node.sysctl_data = &val;
+       return sysctl_lookup(SYSCTLFN_CALL(&node));
+} /* ixgbe_sysctl_next_to_check_handler */
+
+/************************************************************************
  * ixgbe_sysctl_rdh_handler - Receive Descriptor Head handler function
  *
  *   Retrieves the RDH value from the hardware
diff -r f6e1f31e2cb6 -r fdfa2eb94340 sys/dev/pci/ixgbe/ixv.c
--- a/sys/dev/pci/ixgbe/ixv.c   Wed May 23 02:08:40 2018 +0000
+++ b/sys/dev/pci/ixgbe/ixv.c   Wed May 23 04:37:13 2018 +0000
@@ -1,4 +1,4 @@
-/*$NetBSD: ixv.c,v 1.98 2018/05/18 10:09:02 msaitoh Exp $*/
+/*$NetBSD: ixv.c,v 1.99 2018/05/23 04:37:13 msaitoh Exp $*/
 
 /******************************************************************************
 
@@ -136,6 +136,7 @@
 static void    ixv_set_sysctl_value(struct adapter *, const char *,
                    const char *, int *, int);
 static int      ixv_sysctl_interrupt_rate_handler(SYSCTLFN_PROTO);
+static int      ixv_sysctl_next_to_check_handler(SYSCTLFN_PROTO);
 static int      ixv_sysctl_rdh_handler(SYSCTLFN_PROTO);
 static int      ixv_sysctl_rdt_handler(SYSCTLFN_PROTO);
 static int      ixv_sysctl_tdt_handler(SYSCTLFN_PROTO);
@@ -1878,6 +1879,27 @@
 } /* ixv_sysctl_tdt_handler */
 
 /************************************************************************
+ * ixv_sysctl_next_to_check_handler - Receive Descriptor next to check
+ * handler function
+ *
+ *   Retrieves the next_to_check value
+ ************************************************************************/
+static int 
+ixv_sysctl_next_to_check_handler(SYSCTLFN_ARGS)
+{
+       struct sysctlnode node = *rnode;
+       struct rx_ring *rxr = (struct rx_ring *)node.sysctl_data;
+       uint32_t val;
+
+       if (!rxr)
+               return (0);
+
+       val = rxr->next_to_check;
+       node.sysctl_data = &val;
+       return sysctl_lookup(SYSCTLFN_CALL(&node));
+} /* ixv_sysctl_next_to_check_handler */
+
+/************************************************************************
  * ixv_sysctl_rdh_handler - Receive Descriptor Head handler function
  *
  *   Retrieves the RDH value from the hardware
@@ -2450,6 +2472,14 @@
                if (sysctl_createv(log, 0, &rnode, &cnode,
                    CTLFLAG_READONLY,
                    CTLTYPE_INT,
+                   "rxd_nxck", SYSCTL_DESCR("Receive Descriptor next to check"),
+                       ixv_sysctl_next_to_check_handler, 0, (void *)rxr, 0,
+                   CTL_CREATE, CTL_EOL) != 0)
+                       break;
+
+               if (sysctl_createv(log, 0, &rnode, &cnode,
+                   CTLFLAG_READONLY,
+                   CTLTYPE_INT,
                    "rxd_head", SYSCTL_DESCR("Receive Descriptor Head"),
                    ixv_sysctl_rdh_handler, 0, (void *)rxr, 0,
                    CTL_CREATE, CTL_EOL) != 0)