Date: Mon, 22 Jul 2013 19:54:15 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Jack F Vogel <jfv@freebsd.org>, FreeBSD Net <freebsd-net@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: [ixgbe] Register txd/rxd sysctl values Message-ID: <CAJ-Vmom0K2a4doXRDhBdkeHR3--_Mh2oEkGjbJfKEGH--oeRgw@mail.gmail.com>
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Hi,
This patch adds and hw.ixgbe tree and adds rxd/txd. These are already
tunables but it wasn't easy to see if these were being set.
I'd like to commit this soon.
Thanks!
-adrian
adrian@freebsd-10-hack2:~/work/freebsd/head/src/sys/dev/ixgbe % svn diff .
Index: ixgbe.c
===================================================================
--- ixgbe.c (revision 253553)
+++ ixgbe.c (working copy)
@@ -234,6 +234,8 @@
** TUNEABLE PARAMETERS:
*/
+static SYSCTL_NODE(_hw, OID_AUTO, ixgbe, CTLFLAG_RD, 0, "IXGBE driver
parameters");
+
/*
** AIM: Adaptive Interrupt Moderation
** which means that the interrupt rate
@@ -291,6 +293,11 @@
static int ixgbe_rxd = PERFORM_RXD;
TUNABLE_INT("hw.ixgbe.rxd", &ixgbe_rxd);
+SYSCTL_INT(_hw_ixgbe, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0,
+ "Number of receive descriptors per queue");
+SYSCTL_INT(_hw_ixgbe, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0,
+ "Number of transmit descriptors per queue");
+
/*
** Defining this on will allow the use
** of unsupported SFP+ modules, note that
adrian@freebsd-10-hack2:~/work/freebsd/head/src/sys/dev/ixgbe %
help
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