From 7c54686a26b084125103ba5f30ef8e8749eaccae Mon Sep 17 00:00:00 2001
From: Mark Johnston <markjdb@gmail.com>
Date: Mon, 13 Apr 2020 09:58:41 -0400
Subject: pkg/build: enable extra TCP stacks on FreeBSD

syzkaller already knows about TCP_FUNCTION_BLK, used to set the TCP
stack for a given socket.
---
 pkg/build/freebsd.go | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'pkg')

diff --git a/pkg/build/freebsd.go b/pkg/build/freebsd.go
index 7303d6bfd..3c1f300a3 100644
--- a/pkg/build/freebsd.go
+++ b/pkg/build/freebsd.go
@@ -29,6 +29,9 @@ ident		SYZKALLER
 options 	COVERAGE
 options 	KCOV
 
+options 	KERN_TLS
+options 	TCPHPTS
+
 options 	DEBUG_VFS_LOCKS
 options 	DIAGNOSTIC
 `)
@@ -41,7 +44,8 @@ options 	DIAGNOSTIC
 	if err := ctx.make(params.KernelDir, objPrefix, "kernel-toolchain", "-DNO_CLEAN"); err != nil {
 		return err
 	}
-	if err := ctx.make(params.KernelDir, objPrefix, "buildkernel", fmt.Sprintf("KERNCONF=%v", confFile)); err != nil {
+	if err := ctx.make(params.KernelDir, objPrefix, "buildkernel", "WITH_EXTRA_TCP_STACKS=",
+		fmt.Sprintf("KERNCONF=%v", confFile)); err != nil {
 		return err
 	}
 
@@ -66,9 +70,13 @@ partn=$(gpart show /dev/${md} | awk '/freebsd-ufs/{print $3}' | head -n 1)
 tmpdir=$(mktemp -d)
 sudo mount /dev/${md}p${partn} $tmpdir
 
-sudo MAKEOBJDIRPREFIX=%s make -C %s installkernel KERNCONF=%s DESTDIR=$tmpdir
+sudo MAKEOBJDIRPREFIX=%s make -C %s installkernel WITH_EXTRA_TCP_STACKS= KERNCONF=%s DESTDIR=$tmpdir
 
-echo 'pf_load="YES"' | sudo tee -a ${tmpdir}/boot/loader.conf
+cat | sudo tee -a ${tmpdir}/boot/loader.conf <<__EOF__
+pf_load="YES"
+tcp_bbr_load="YES"
+tcp_rack_load="YES"
+__EOF__
 
 sudo umount $tmpdir
 sudo mdconfig -d -u ${md#md}
-- 
cgit mrf-deployment