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authorAlexander V. Chernikov <melifaro@FreeBSD.org>2020-07-21 19:56:13 +0000
committerAlexander V. Chernikov <melifaro@FreeBSD.org>2020-07-21 19:56:13 +0000
commite1c05fd290f050f46142f663113e0464e2e89cca (patch)
treef566ca2c5f92d66dfa7c14140f0be635b8b81128 /sys/net/route.c
parentaafaa8b79491b563c628ebe3a4eadb151683ca45 (diff)
Notes
Diffstat (limited to 'sys/net/route.c')
-rw-r--r--sys/net/route.c113
1 files changed, 10 insertions, 103 deletions
diff --git a/sys/net/route.c b/sys/net/route.c
index 0b7a0e2d55b6..f24200a88e40 100644
--- a/sys/net/route.c
+++ b/sys/net/route.c
@@ -470,7 +470,7 @@ int
rib_add_redirect(u_int fibnum, struct sockaddr *dst, struct sockaddr *gateway,
struct sockaddr *author, struct ifnet *ifp, int flags, int lifetime_sec)
{
- struct rtentry *rt;
+ struct rib_cmd_info rc;
int error;
struct rt_addrinfo info;
struct rt_metrics rti_rmx;
@@ -504,7 +504,7 @@ rib_add_redirect(u_int fibnum, struct sockaddr *dst, struct sockaddr *gateway,
info.rti_mflags |= RTV_EXPIRE;
info.rti_rmx = &rti_rmx;
- error = rtrequest1_fib(RTM_ADD, &info, &rt, fibnum);
+ error = rib_action(fibnum, RTM_ADD, &info, &rc);
ifa_free(ifa);
if (error != 0) {
@@ -512,9 +512,9 @@ rib_add_redirect(u_int fibnum, struct sockaddr *dst, struct sockaddr *gateway,
return (error);
}
- RT_LOCK(rt);
- flags = rt->rt_flags;
- RT_UNLOCK(rt);
+ RT_LOCK(rc.rc_rt);
+ flags = rc.rc_rt->rt_flags;
+ RT_UNLOCK(rc.rc_rt);
RTSTAT_INC(rts_dynamic);
@@ -602,32 +602,6 @@ ifa_ifwithroute(int flags, const struct sockaddr *dst,
return (ifa);
}
-/*
- * Do appropriate manipulations of a routing tree given
- * all the bits of info needed
- */
-int
-rtrequest_fib(int req,
- struct sockaddr *dst,
- struct sockaddr *gateway,
- struct sockaddr *netmask,
- int flags,
- struct rtentry **ret_nrt,
- u_int fibnum)
-{
- struct rt_addrinfo info;
-
- if (dst->sa_len == 0)
- return(EINVAL);
-
- bzero((caddr_t)&info, sizeof(info));
- info.rti_flags = flags;
- info.rti_info[RTAX_DST] = dst;
- info.rti_info[RTAX_GATEWAY] = gateway;
- info.rti_info[RTAX_NETMASK] = netmask;
- return rtrequest1_fib(req, &info, ret_nrt, fibnum);
-}
-
/*
* Copy most of @rt data into @info.
@@ -1148,73 +1122,6 @@ rt_mpath_unlink(struct rib_head *rnh, struct rt_addrinfo *info,
}
#endif
-int
-rtrequest1_fib(int req, struct rt_addrinfo *info, struct rtentry **ret_nrt,
- u_int fibnum)
-{
- const struct sockaddr *dst;
- struct rib_head *rnh;
- struct rib_cmd_info rc;
- int error;
-
- KASSERT((fibnum < rt_numfibs), ("rtrequest1_fib: bad fibnum"));
- KASSERT((info->rti_flags & RTF_RNH_LOCKED) == 0, ("rtrequest1_fib: locked"));
- NET_EPOCH_ASSERT();
-
- dst = info->rti_info[RTAX_DST];
-
- switch (dst->sa_family) {
- case AF_INET6:
- case AF_INET:
- /* We support multiple FIBs. */
- break;
- default:
- fibnum = RT_DEFAULT_FIB;
- break;
- }
-
- /*
- * Find the correct routing tree to use for this Address Family
- */
- rnh = rt_tables_get_rnh(fibnum, dst->sa_family);
- if (rnh == NULL)
- return (EAFNOSUPPORT);
-
- /*
- * If we are adding a host route then we don't want to put
- * a netmask in the tree, nor do we want to clone it.
- */
- if (info->rti_flags & RTF_HOST)
- info->rti_info[RTAX_NETMASK] = NULL;
-
- bzero(&rc, sizeof(struct rib_cmd_info));
- error = 0;
- switch (req) {
- case RTM_DELETE:
- error = del_route(rnh, info, &rc);
- break;
- case RTM_RESOLVE:
- /*
- * resolve was only used for route cloning
- * here for compat
- */
- break;
- case RTM_ADD:
- error = add_route(rnh, info, &rc);
- break;
- case RTM_CHANGE:
- error = change_route(rnh, info, &rc);
- break;
- default:
- error = EOPNOTSUPP;
- }
-
- if (ret_nrt != NULL)
- *ret_nrt = rc.rc_rt;
-
- return (error);
-}
-
void
rt_setmetrics(const struct rt_addrinfo *info, struct rtentry *rt)
{
@@ -1258,7 +1165,7 @@ rtinit1(struct ifaddr *ifa, int cmd, int flags, int fibnum)
struct epoch_tracker et;
struct sockaddr *dst;
struct sockaddr *netmask;
- struct rtentry *rt = NULL;
+ struct rib_cmd_info rc;
struct rt_addrinfo info;
int error = 0;
int startfib, endfib;
@@ -1349,7 +1256,7 @@ rtinit1(struct ifaddr *ifa, int cmd, int flags, int fibnum)
if (rn == NULL)
error = ESRCH;
else {
- rt = RNTORT(rn);
+ struct rtentry *rt = RNTORT(rn);
/*
* for interface route the gateway
* gateway is sockaddr_dl, so
@@ -1389,14 +1296,14 @@ rtinit1(struct ifaddr *ifa, int cmd, int flags, int fibnum)
info.rti_info[RTAX_GATEWAY] = ifa->ifa_addr;
info.rti_info[RTAX_NETMASK] = netmask;
NET_EPOCH_ENTER(et);
- error = rtrequest1_fib(cmd, &info, &rt, fibnum);
- if (error == 0 && rt != NULL) {
+ error = rib_action(fibnum, cmd, &info, &rc);
+ if (error == 0 && rc.rc_rt != NULL) {
/*
* notify any listening routing agents of the change
*/
/* TODO: interface routes/aliases */
- rt_newaddrmsg_fib(cmd, ifa, rt, fibnum);
+ rt_newaddrmsg_fib(cmd, ifa, rc.rc_rt, fibnum);
didwork = 1;
}
NET_EPOCH_EXIT(et);