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Deprecate kernel configuration option EM_MULTIQUEUE now that the em(4)

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driver conforms to iflib.
This commit is contained in:
Sean Bruno 2017-01-12 14:38:18 +00:00
parent 0aa7d3ff9e
commit 062a4b8c68
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=311980
6 changed files with 7 additions and 16 deletions
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4
UPDATING
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@ -51,6 +51,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW:
****************************** SPECIAL WARNING: ******************************
20170112:
The EM_MULTIQUEUE kernel configuration option is deprecated now that
the em(4) driver conforms to iflib specifications.
20170109:
The igb(4), em(4) and lem(4) ethernet drivers are now implemented via
IFLIB. If you have a custom kernel configuration that excludes em(4)

3
sys/conf/NOTES
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@ -3055,9 +3055,6 @@ options RANDOM_ENABLE_UMA # slab allocator
# Module to enable execution of application via emulators like QEMU
options IMAGACT_BINMISC
# Intel em(4) driver
options EM_MULTIQUEUE # Activate multiqueue features/disable MSI-X
# zlib I/O stream support
# This enables support for compressed core dumps.
options GZIO

2
sys/conf/files
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@ -2139,6 +2139,8 @@ dev/ixgbe/ix_txrx.c optional ix inet | ixv inet \
compile-with "${NORMAL_C} -I$S/dev/ixgbe"
dev/ixgbe/ixgbe_osdep.c optional ix inet | ixv inet \
compile-with "${NORMAL_C} -I$S/dev/ixgbe"
dev/ixgbe/ixgbe_sysctl.c optional ix inet | ixv inet \
compile-with "${NORMAL_C} -I$S/dev/ixgbe"
dev/ixgbe/ixgbe_phy.c optional ix inet | ixv inet \
compile-with "${NORMAL_C} -I$S/dev/ixgbe"
dev/ixgbe/ixgbe_api.c optional ix inet | ixv inet \

3
sys/conf/options
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@ -986,9 +986,6 @@ RANDOM_LOADABLE opt_global.h
# the uma slab allocator.
RANDOM_ENABLE_UMA opt_global.h
# Intel em(4) driver
EM_MULTIQUEUE opt_em.h
# BHND(4) driver
BHND_LOGLEVEL opt_global.h

9
sys/dev/e1000/if_em.h
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@ -25,7 +25,6 @@
*/
/*$FreeBSD$*/
#include "opt_em.h"
#include "opt_ddb.h"
#include "opt_inet.h"
#include "opt_inet6.h"
@ -176,11 +175,7 @@
* restoring the network connection. To eliminate the potential
* for the hang ensure that EM_RDTR is set to 0.
*/
#ifdef EM_MULTIQUEUE
#define EM_RDTR 64
#else
#define EM_RDTR 0
#endif
/*
* Receive Interrupt Absolute Delay Timer (Not valid for 82542/82543/82544)
@ -193,11 +188,7 @@
* along with EM_RDTR, may improve traffic throughput in specific network
* conditions.
*/
#ifdef EM_MULTIQUEUE
#define EM_RADV 128
#else
#define EM_RADV 64
#endif
/*
* This parameter controls whether or not autonegotation is enabled.

2
sys/modules/em/Makefile
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@ -3,7 +3,7 @@
.PATH: ${.CURDIR}/../../dev/e1000
KMOD = if_em
SRCS = device_if.h bus_if.h pci_if.h opt_ddb.h opt_em.h opt_inet.h \
SRCS = device_if.h bus_if.h pci_if.h opt_ddb.h opt_inet.h \
opt_inet6.h ifdi_if.h
SRCS += $(CORE_SRC) $(LEGACY_SRC)
SRCS += $(COMMON_SHARED) $(LEGACY_SHARED) $(PCIE_SHARED)