Hi, Andre
On Thu, Jul 11, 2013 at 03:29:25PM +0000, Andre Oppermann wrote:
> Author: andre
> Date: Thu Jul 11 15:29:25 2013
> New Revision: 253210
> URL: http://svnweb.freebsd.org/changeset/base/253210
>
> Log:
> Improve SYN cookies by encoding the MSS, WSCALE (window scaling) and SACK
> information into the ISN (initial sequence number) without the additional
> use of timestamp bits and switching to the very fast and cryptographically
> strong SipHash-2-4 MAC hash algorithm to protect the SYN cookie against
> forgeries.
It fails to build with VIMAGE:
cc -c -O2 -pipe -fno-strict-aliasing -std=c99 -g -Wall -Wredundant-decls
-Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
-Winline -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions
-Wmissing-include-dirs -fdiagnostics-show-option
-Wno-error-tautological-compare -Wno-error-empty-body
-Wno-error-parentheses-equality -nostdinc -I.
-I/home/golub/freebsd/base/head/sys
-I/home/golub/freebsd/base/head/sys/contrib/altq
-I/home/golub/freebsd/base/head/sys/contrib/libfdt -D_KERNEL
-DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-omit-frame-pointer
-mno-omit-leaf-frame-pointer -mno-aes -mno-avx -mcmodel=kernel -mno-red-zone
-mno-mmx -mno-sse -msoft-float -fno-asynchronous-unwind-tables -ffreestanding
-fstack-protector -Werror
/home/golub/freebsd/base/head/sys/netinet/tcp_syncache.c
/home/golub/freebsd/base/head/sys/netinet/tcp_syncache.c:266:17: error: no
member named 'vnet' in
'struct tcp_syncache'
V_tcp_syncache.vnet = curvnet;
~~~~~~~~~~~~~~ ^
/home/golub/freebsd/base/head/sys/netinet/tcp_syncache.c:438:27: error: no
member named 'vnet' in
'struct tcp_syncache'
CURVNET_SET(sch->sch_sc->vnet);
~~~~~~~~~~~ ^
> Modified: head/sys/netinet/tcp_syncache.h
> ==============================================================================
...
> struct tcp_syncache {
> @@ -115,6 +118,19 @@ struct tcp_syncache {
> u_int cache_limit;
> u_int rexmt_limit;
> u_int hash_secret;
> + struct vnet *sch_vnet;
I think you meant here:
+ struct vnet *vnet;
--
Mikolaj Golub
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