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Remove rtalloc1(_fib) KPI.

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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);