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From: Baptiste Daroussin <bapt@FreeBSD.org>
Date: Tue, 23 Aug 2016 13:53:38 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r304680 - in head/sys/boot/efi: libefi loader
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Author: bapt
Date: Tue Aug 23 13:53:38 2016
New Revision: 304680
URL: https://svnweb.freebsd.org/changeset/base/304680

Log:
  EFI loader: only open/close on the net device with tftpfs
  
  It prevents issuing a dhcp request before each file open
  As a consequence netbooting over tftpfs is significantly faster
  
  Sponsored by:	Gandi.net

Modified:
  head/sys/boot/efi/libefi/Makefile
  head/sys/boot/efi/loader/Makefile

Modified: head/sys/boot/efi/libefi/Makefile
==============================================================================
--- head/sys/boot/efi/libefi/Makefile	Tue Aug 23 13:51:55 2016	(r304679)
+++ head/sys/boot/efi/libefi/Makefile	Tue Aug 23 13:53:38 2016	(r304680)
@@ -14,7 +14,7 @@ SRCS+=	time_event.c
 .endif
 
 .if defined(LOADER_TFTP_SUPPORT)
-CFLAGS+=	-DLOADER_TFTP_SUPPORT
+CFLAGS+=	-DLOADER_TFTP_SUPPORT -DNETIF_OPEN_CLOSE_ONCE
 .endif
 
 # We implement a slightly non-standard %S in that it always takes a

Modified: head/sys/boot/efi/loader/Makefile
==============================================================================
--- head/sys/boot/efi/loader/Makefile	Tue Aug 23 13:51:55 2016	(r304679)
+++ head/sys/boot/efi/loader/Makefile	Tue Aug 23 13:53:38 2016	(r304680)
@@ -22,7 +22,7 @@ SRCS=	autoload.c \
 	vers.c
 
 .if defined(LOADER_TFTP_SUPPORT)
-CFLAGS+=	-DLOADER_TFTP_SUPPORT
+CFLAGS+=	-DLOADER_TFTP_SUPPORT -DNETIF_OPEN_CLOSE_ONCE
 .endif
 
 .if ${MK_ZFS} != "no"