On 13.03.2012 16:51, Bjoern A. Zeeb wrote:
On 13. Mar 2012, at 11:08 , Alexander V. Chernikov wrote:
Author: melifaro
Date: Tue Mar 13 11:08:40 2012
New Revision: 232921
URL: http://svn.freebsd.org/changeset/base/232921
Log:
Use rt_numfibs variable instead of compile-time RT_NUMFIBS.
Thanks a lot for doing this!
Sorry for doing this for too long.
This will allow us to go ahead and get rid of the mandatory kernel option now.
I'll try to find my patch from last year and post it for your review.
Are you intending to MFC this?
netflow v9 stuff is still not MFCed to 8/7
(And I forgot 9 contains it). So it should be 2w for 9
Requested by: bz (a while ago with low prio)
Reviewed by: glebius (previous version)
Approved by: kib(mentor), ae(mentor)
Modified:
head/sys/modules/netgraph/netflow/Makefile
head/sys/netgraph/netflow/netflow.c
head/sys/netgraph/netflow/ng_netflow.c
head/sys/netgraph/netflow/ng_netflow.h
Modified: head/sys/modules/netgraph/netflow/Makefile
==============================================================================
--- head/sys/modules/netgraph/netflow/Makefile Tue Mar 13 10:54:14 2012
(r232920)
+++ head/sys/modules/netgraph/netflow/Makefile Tue Mar 13 11:08:40 2012
(r232921)
@@ -17,8 +17,6 @@ opt_inet6.h:
echo "#define INET6 1"> ${.TARGET}
.endif
-opt_route.h:
- echo "#define ROUTETABLES RT_MAXFIBS"> ${.TARGET}
.endif
.include<bsd.kmod.mk>
Modified: head/sys/netgraph/netflow/netflow.c
==============================================================================
--- head/sys/netgraph/netflow/netflow.c Tue Mar 13 10:54:14 2012
(r232920)
+++ head/sys/netgraph/netflow/netflow.c Tue Mar 13 11:08:40 2012
(r232921)
@@ -630,7 +630,7 @@ ng_netflow_cache_flush(priv_p priv)
free(priv->hash6, M_NETFLOW_HASH);
#endif
- for (i = 0; i< RT_NUMFIBS; i++) {
+ for (i = 0; i< priv->maxfibs; i++) {
if ((fe = priv_to_fib(priv, i)) == NULL)
continue;
Modified: head/sys/netgraph/netflow/ng_netflow.c
==============================================================================
--- head/sys/netgraph/netflow/ng_netflow.c Tue Mar 13 10:54:14 2012
(r232920)
+++ head/sys/netgraph/netflow/ng_netflow.c Tue Mar 13 11:08:40 2012
(r232921)
@@ -225,6 +225,11 @@ ng_netflow_constructor(node_p node)
/* Initialize private data */
priv = malloc(sizeof(*priv), M_NETGRAPH, M_WAITOK | M_ZERO);
+ /* Initialize fib data */
+ priv->maxfibs = rt_numfibs;
+ priv->fib_data = malloc(sizeof(fib_export_p) * priv->maxfibs,
+ M_NETGRAPH, M_WAITOK | M_ZERO);
+
/* Make node and its data point at each other */
NG_NODE_SET_PRIVATE(node, priv);
priv->node = node;
@@ -901,8 +906,10 @@ loopend:
/* Check packet FIB */
fib = M_GETFIB(m);
- if (fib>= RT_NUMFIBS) {
- CTR2(KTR_NET, "ng_netflow_rcvdata(): packet fib %d is out of range
of available fibs: 0 .. %d", fib, RT_NUMFIBS);
+ if (fib>= priv->maxfibs) {
+ CTR2(KTR_NET, "ng_netflow_rcvdata(): packet fib %d is out of "
+ "range of available fibs: 0 .. %d",
+ fib, priv->maxfibs);
goto bypass;
}
@@ -973,6 +980,7 @@ ng_netflow_rmnode(node_p node)
NG_NODE_SET_PRIVATE(node, NULL);
NG_NODE_UNREF(priv->node);
+ free(priv->fib_data, M_NETGRAPH);
free(priv, M_NETGRAPH);
return (0);
Modified: head/sys/netgraph/netflow/ng_netflow.h
==============================================================================
--- head/sys/netgraph/netflow/ng_netflow.h Tue Mar 13 10:54:14 2012
(r232920)
+++ head/sys/netgraph/netflow/ng_netflow.h Tue Mar 13 11:08:40 2012
(r232921)
@@ -413,7 +413,8 @@ struct netflow {
struct flow_hash_entry *hash6;
#endif
/* Multiple FIB support */
- fib_export_p fib_data[RT_NUMFIBS]; /* array of pointers to
fib-specific data */
+ fib_export_p *fib_data; /* array of pointers to per-fib data
*/
+ uint16_t maxfibs; /* number of allocated fibs */
/*
* RFC 3954 clause 7.3
--
WBR, Alexander
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