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Remove rtalloc1(_fib) KPI.

Browse Source 
Last user of rtalloc1() KPI has been eliminated in rS360631.
As kernel is now fully switched to use new routing KPI defined in
rS359823, remove old lookup functions.

Differential Revision:	https://reviews.freebsd.org/D24776
This commit is contained in:
Alexander V. Chernikov 2020-05-10 09:34:48 +00:00
parent b8aa77b74d
commit d223372545
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=360866
2 changed files with 0 additions and 74 deletions
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70
sys/net/route.c
View File

@ -419,76 +419,6 @@ sys_setfib(struct thread *td, struct setfib_args *uap)
return (0);
}
/*
* Look up the route that matches the address given
* Or, at least try.. Create a cloned route if needed.
*
* The returned route, if any, is locked.
*/
struct rtentry *
rtalloc1(struct sockaddr *dst, int report, u_long ignflags)
{
return (rtalloc1_fib(dst, report, ignflags, RT_DEFAULT_FIB));
}
struct rtentry *
rtalloc1_fib(struct sockaddr *dst, int report, u_long ignflags,
u_int fibnum)
{
RIB_RLOCK_TRACKER;
struct rib_head *rh;
struct radix_node *rn;
struct rtentry *newrt;
struct rt_addrinfo info;
int err = 0, msgtype = RTM_MISS;
KASSERT((fibnum < rt_numfibs), ("rtalloc1_fib: bad fibnum"));
rh = rt_tables_get_rnh(fibnum, dst->sa_family);
newrt = NULL;
if (rh == NULL)
goto miss;
/*
* Look up the address in the table for that Address Family
*/
if ((ignflags & RTF_RNH_LOCKED) == 0)
RIB_RLOCK(rh);
#ifdef INVARIANTS
else
RIB_LOCK_ASSERT(rh);
#endif
rn = rh->rnh_matchaddr(dst, &rh->head);
if (rn && ((rn->rn_flags & RNF_ROOT) == 0)) {
newrt = RNTORT(rn);
RT_LOCK(newrt);
RT_ADDREF(newrt);
if ((ignflags & RTF_RNH_LOCKED) == 0)
RIB_RUNLOCK(rh);
return (newrt);
} else if ((ignflags & RTF_RNH_LOCKED) == 0)
RIB_RUNLOCK(rh);
/*
* Either we hit the root or could not find any match,
* which basically means: "cannot get there from here".
*/
miss:
RTSTAT_INC(rts_unreach);
if (report) {
/*
* If required, report the failure to the supervising
* Authorities.
* For a delete, this is not an error. (report == 0)
*/
bzero(&info, sizeof(info));
info.rti_info[RTAX_DST] = dst;
rt_missmsg_fib(msgtype, &info, 0, err, fibnum);
}
return (newrt);
}
/*
* Remove a reference count from an rtentry.
* If the count gets low enough, take it out of the routing table

4
sys/net/route.h
View File

@ -392,8 +392,6 @@ struct sockaddr *rtsock_fix_netmask(const struct sockaddr *dst,
/*
* Note the following locking behavior:
*
* rtalloc1() returns a locked rtentry
*
* rtfree() and RTFREE_LOCKED() require a locked rtentry
*
* RTFREE() uses an unlocked entry.
@ -414,14 +412,12 @@ void rt_flushifroutes(struct ifnet *ifp);
/* XXX MRT COMPAT VERSIONS THAT SET UNIVERSE to 0 */
/* Thes are used by old code not yet converted to use multiple FIBS */
struct rtentry *rtalloc1(struct sockaddr *, int, u_long);
int rtinit(struct ifaddr *, int, int);
/* XXX MRT NEW VERSIONS THAT USE FIBs
* For now the protocol indepedent versions are the same as the AF_INET ones
* but this will change..
*/
struct rtentry *rtalloc1_fib(struct sockaddr *, int, u_long, u_int);
int rtioctl_fib(u_long, caddr_t, u_int);
int rtrequest_fib(int, struct sockaddr *,
struct sockaddr *, struct sockaddr *, int, struct rtentry **, u_int);