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Switch DDB show route to direct rnh_matchaddr() call instead of rtalloc1().

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Eliminate the last rtalloc1() call to finish transition to the new routing
KPI defined in r359823.

Differential Revision:	https://reviews.freebsd.org/D24663
This commit is contained in:
Alexander V. Chernikov 2020-05-04 15:07:57 +00:00
parent 4f08f052ad
commit d94be4ccaa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=360631
1 changed files with 10 additions and 2 deletions
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12
sys/net/route/route_ddb.c
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@ -208,6 +208,8 @@ DB_SHOW_COMMAND(routetable, db_show_routetable_cmd)
_DB_FUNC(_show, route, db_show_route_cmd, db_show_table, CS_OWN, NULL)
{
char abuf[INET6_ADDRSTRLEN], *buf, *end;
struct rib_head *rh;
struct radix_node *rn;
void *dst_addrp;
struct rtentry *rt;
union {
@ -244,8 +246,15 @@ _DB_FUNC(_show, route, db_show_route_cmd, db_show_table, CS_OWN, NULL)
if (inet_ntop(af, dst_addrp, abuf, sizeof(abuf)) != NULL)
db_printf("Looking up route to destination '%s'\n", abuf);
rt = NULL;
CURVNET_SET(vnet0);
rt = rtalloc1((struct sockaddr *)&u, 0, RTF_RNH_LOCKED);
rh = rt_tables_get_rnh(RT_DEFAULT_FIB, af);
rn = rh->rnh_matchaddr(&u, &rh->head);
if (rn && ((rn->rn_flags & RNF_ROOT) == 0))
rt = (struct rtentry *)rn;
CURVNET_RESTORE();
if (rt == NULL) {
@ -254,7 +263,6 @@ _DB_FUNC(_show, route, db_show_route_cmd, db_show_table, CS_OWN, NULL)
}
rt_dumpentry_ddb((void *)rt, NULL);
RTFREE_LOCKED(rt);
return;
usage: