svn commit: r283953 - projects/em_mq/share/man/man4

[Sean Bruno]

Author: sbruno
Date: Wed Jun  3 15:55:45 2015
New Revision: 283953
URL: https://svnweb.freebsd.org/changeset/base/283953

Log:
  Update man page with review comments from wblock.
  
  Update BUGS section with requested text from Intel regarding MSI-X +
  EM_MULTIQUEUE

Modified:
  projects/em_mq/share/man/man4/em.4

Modified: projects/em_mq/share/man/man4/em.4
==============================================================================
--- projects/em_mq/share/man/man4/em.4	Wed Jun  3 15:43:55 2015	(r283952)
+++ projects/em_mq/share/man/man4/em.4	Wed Jun  3 15:55:45 2015	(r283953)
@@ -206,13 +206,17 @@ prompt before booting the kernel or stor
 .Xr loader.conf 5 .
 .Bl -tag -width indent
 .It Va hw.em.eee_setting
-Disable or Enable Energy Efficient Ethernet.  Default 1 (disabled).
+Disable or enable Energy Efficient Ethernet.
+Default 1 (disabled).
 .It Va hw.em.msix
-Enable or Disable MSI-X style interrupts.  Default 1 (on).
+Enable or disable MSI-X style interrupts.
+Default 1 (enabled).
 .It Va hw.em.smart_pwr_down
-Enable or Disable smart power down features on newer adapters.  Default 0 (off).
+Enable or disable smart power down features on newer adapters.
+Default 0 (disabled).
 .It Va hw.em.sbp
-Show bad packets when in promiscuous mode.  Default 0 (off).
+Show bad packets when in promiscuous mode.
+Default 0 (off).
 .It Va hw.em.rxd
 Number of receive descriptors allocated by the driver.
 The default value is 1024 for adapters newer than 82547,
@@ -245,7 +249,8 @@ If
 is non-zero, this tunable limits the maximum delay in which a transmit
 interrupt is generated.
 .It Va hw.em.num_queues
-Number of h/w queues that we will run on this adapter. Max 2. Defaults to 1.
+Number of hardware queues that will be configured on this adapter (maximum of 2)
+Defaults to 1.
 Only valid with kernel configuration
 .Cd "options EM_MULTIQUEUE".
 .El
@@ -307,3 +312,6 @@ You can enable it on an
 .Nm
 interface using
 .Xr ifconfig 8 .
+.Pp
+Activating EM_MULTIQUEUE support disables MSI-X features by default.
+Until these issues are resolved, no not run MSI-X with EM_MULTIQUEUE.