svn commit: r361706 - in head/sys: net net/route netinet netinet6
Michael Tuexen
tuexen at fh-muenster.de
Mon Jun 1 21:28:43 UTC 2020
> On 1. Jun 2020, at 22:49, Alexander V. Chernikov <melifaro at freebsd.org> wrote:
>
> Author: melifaro
> Date: Mon Jun 1 20:49:42 2020
> New Revision: 361706
> URL: https://svnweb.freebsd.org/changeset/base/361706
>
> Log:
> * Add rib_<add|del|change>_route() functions to manipulate the routing table.
>
> The main driver for the change is the need to improve notification mechanism.
> Currently callers guess the operation data based on the rtentry structure
> returned in case of successful operation result. There are two problems with
> this appoach. First is that it doesn't provide enough information for the
> upcoming multipath changes, where rtentry refers to a new nexthop group,
> and there is no way of guessing which paths were added during the change.
> Second is that some rtentry fields can change during notification and
> protecting from it by requiring customers to unlock rtentry is not desired.
>
> Additionally, as the consumers such as rtsock do know which operation they
> request in advance, making explicit add/change/del versions of the functions
> makes sense, especially given the functions don't share a lot of code.
>
> With that in mind, introduce rib_cmd_info notification structure and
> rib_<add|del|change>_route() functions, with mandatory rib_cmd_info pointer.
> It will be used in upcoming generalized notifications.
>
> * Move definitions of the new functions and some other functions/structures
> used for the routing table manipulation to a separate header file,
> net/route/route_ctl.h. net/route.h is a frequently used file included in
> ~140 places in kernel, and 90% of the users don't need these definitions.
>
> Reviewed by: ae
> Differential Revision: https://reviews.freebsd.org/D25067
>
> Modified:
> head/sys/net/if_llatbl.c
> head/sys/net/route.c
> head/sys/net/route.h
> head/sys/net/route/nhop_ctl.c
> head/sys/net/route/route_ctl.c
> head/sys/net/route/route_ddb.c
> head/sys/net/route/route_helpers.c
> head/sys/net/route/route_temporal.c
> head/sys/net/route/route_var.h
> head/sys/netinet/in_rmx.c
> head/sys/netinet/ip_icmp.c
> head/sys/netinet6/icmp6.c
> head/sys/netinet6/in6_rmx.c
> head/sys/netinet6/nd6_rtr.c
>
> Modified: head/sys/net/if_llatbl.c
> ==============================================================================
> --- head/sys/net/if_llatbl.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/if_llatbl.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -58,6 +58,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_dl.h>
> #include <net/if_var.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
Where is this file coming from?
Best regards
Michael
> #include <net/vnet.h>
> #include <netinet/if_ether.h>
> #include <netinet6/in6_var.h>
>
> Modified: head/sys/net/route.c
> ==============================================================================
> --- head/sys/net/route.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -61,6 +61,7 @@
> #include <net/if_var.h>
> #include <net/if_dl.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/route/nhop.h>
> #include <net/route/shared.h>
> @@ -346,6 +347,9 @@ rt_table_init(int offset, int family, u_int fibnum)
>
> nhops_init_rib(rh);
>
> + /* Init subscription system */
> + CK_STAILQ_INIT(&rh->rnh_subscribers);
> +
> /* Finally, set base callbacks */
> rh->rnh_addaddr = rn_addroute;
> rh->rnh_deladdr = rn_delete;
> @@ -1148,6 +1152,7 @@ rtrequest1_fib(int req, struct rt_addrinfo *info, stru
> {
> const struct sockaddr *dst;
> struct rib_head *rnh;
> + struct rib_cmd_info rc;
> int error;
>
> KASSERT((fibnum < rt_numfibs), ("rtrequest1_fib: bad fibnum"));
> @@ -1180,10 +1185,11 @@ rtrequest1_fib(int req, struct rt_addrinfo *info, stru
> 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, ret_nrt);
> + error = del_route(rnh, info, &rc);
> break;
> case RTM_RESOLVE:
> /*
> @@ -1192,14 +1198,17 @@ rtrequest1_fib(int req, struct rt_addrinfo *info, stru
> */
> break;
> case RTM_ADD:
> - error = add_route(rnh, info, ret_nrt);
> + error = add_route(rnh, info, &rc);
> break;
> case RTM_CHANGE:
> - error = change_route(rnh, info, ret_nrt);
> + error = change_route(rnh, info, &rc);
> break;
> default:
> error = EOPNOTSUPP;
> }
> +
> + if (ret_nrt != NULL)
> + *ret_nrt = rc.rc_rt;
>
> return (error);
> }
>
> Modified: head/sys/net/route.h
> ==============================================================================
> --- head/sys/net/route.h Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route.h Mon Jun 1 20:49:42 2020 (r361706)
> @@ -399,12 +399,6 @@ void rtfree(struct rtentry *);
> void rtfree_func(struct rtentry *);
> void rt_updatemtu(struct ifnet *);
>
> -typedef int rt_walktree_f_t(struct rtentry *, void *);
> -typedef void rt_setwarg_t(struct rib_head *, uint32_t, int, void *);
> -void rib_walk_del(u_int fibnum, int family, rt_filter_f_t *filter_f,
> - void *arg, bool report);
> -void rt_foreach_fib_walk(int af, rt_setwarg_t *, rt_walktree_f_t *, void *);
> -void rt_foreach_fib_walk_del(int af, rt_filter_f_t *filter_f, void *arg);
> void rt_flushifroutes_af(struct ifnet *, int);
> void rt_flushifroutes(struct ifnet *ifp);
>
> @@ -423,12 +417,8 @@ int rtrequest1_fib(int, struct rt_addrinfo *, struct
> int rib_lookup_info(uint32_t, const struct sockaddr *, uint32_t, uint32_t,
> struct rt_addrinfo *);
> void rib_free_info(struct rt_addrinfo *info);
> -int rib_add_redirect(u_int fibnum, struct sockaddr *dst,
> - struct sockaddr *gateway, struct sockaddr *author, struct ifnet *ifp,
> - int flags, int expire_sec);
>
> /* New API */
> -void rib_walk(int af, u_int fibnum, rt_walktree_f_t *wa_f, void *arg);
> struct nhop_object *rib_lookup(uint32_t fibnum, const struct sockaddr *dst,
> uint32_t flags, uint32_t flowid);
> #endif
>
> Modified: head/sys/net/route/nhop_ctl.c
> ==============================================================================
> --- head/sys/net/route/nhop_ctl.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route/nhop_ctl.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -44,6 +44,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_var.h>
> #include <net/if_dl.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/route/nhop_utils.h>
> #include <net/route/nhop.h>
>
> Modified: head/sys/net/route/route_ctl.c
> ==============================================================================
> --- head/sys/net/route/route_ctl.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route/route_ctl.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_dl.h>
> #include <net/vnet.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/route/nhop_utils.h>
> #include <net/route/nhop.h>
> @@ -67,11 +68,61 @@ __FBSDID("$FreeBSD$");
> * All functions assumes they are called in net epoch.
> */
>
> +static void rib_notify(struct rib_head *rnh, enum rib_subscription_type type,
> + struct rib_cmd_info *rc);
> +
> static void rt_notifydelete(struct rtentry *rt, struct rt_addrinfo *info);
>
> +static struct rib_head *
> +get_rnh(uint32_t fibnum, const struct rt_addrinfo *info)
> +{
> + struct rib_head *rnh;
> + struct sockaddr *dst;
> +
> + KASSERT((fibnum < rt_numfibs), ("rib_add_route: bad fibnum"));
> +
> + dst = info->rti_info[RTAX_DST];
> + rnh = rt_tables_get_rnh(fibnum, dst->sa_family);
> +
> + return (rnh);
> +}
> +
> +/*
> + * Adds route defined by @info into the kernel table specified by @fibnum and
> + * sa_family in @info->rti_info[RTAX_DST].
> + *
> + * Returns 0 on success and fills in operation metadata into @rc.
> + */
> int
> +rib_add_route(uint32_t fibnum, struct rt_addrinfo *info,
> + struct rib_cmd_info *rc)
> +{
> + struct rib_head *rnh;
> +
> + NET_EPOCH_ASSERT();
> +
> + rnh = get_rnh(fibnum, info);
> + if (rnh == NULL)
> + return (EAFNOSUPPORT);
> +
> + /*
> + * Check consistency between RTF_HOST flag and netmask
> + * existence.
> + */
> + if (info->rti_flags & RTF_HOST)
> + info->rti_info[RTAX_NETMASK] = NULL;
> + else if (info->rti_info[RTAX_NETMASK] == NULL)
> + return (EINVAL);
> +
> + bzero(rc, sizeof(struct rib_cmd_info));
> + rc->rc_cmd = RTM_ADD;
> +
> + return (add_route(rnh, info, rc));
> +}
> +
> +int
> add_route(struct rib_head *rnh, struct rt_addrinfo *info,
> - struct rtentry **ret_nrt)
> + struct rib_cmd_info *rc)
> {
> struct sockaddr *dst, *ndst, *gateway, *netmask;
> struct rtentry *rt, *rt_old;
> @@ -146,6 +197,7 @@ add_route(struct rib_head *rnh, struct rt_addrinfo *in
> rt->rt_weight = 1;
>
> rt_setmetrics(info, rt);
> + rt_old = NULL;
>
> RIB_WLOCK(rnh);
> RT_LOCK(rt);
> @@ -163,12 +215,20 @@ add_route(struct rib_head *rnh, struct rt_addrinfo *in
>
> rn = rnh->rnh_addaddr(ndst, netmask, &rnh->head, rt->rt_nodes);
>
> - if (rn != NULL && rt->rt_expire > 0)
> - tmproutes_update(rnh, rt);
> + if (rn != NULL) {
> + /* Most common usecase */
> + if (rt->rt_expire > 0)
> + tmproutes_update(rnh, rt);
>
> - rt_old = NULL;
> - if (rn == NULL && (info->rti_flags & RTF_PINNED) != 0) {
> + /* Finalize notification */
> + rnh->rnh_gen++;
>
> + rc->rc_rt = RNTORT(rn);
> + rc->rc_nh_new = nh;
> +
> + rib_notify(rnh, RIB_NOTIFY_IMMEDIATE, rc);
> + } else if ((info->rti_flags & RTF_PINNED) != 0) {
> +
> /*
> * Force removal and re-try addition
> * TODO: better multipath&pinned support
> @@ -180,9 +240,26 @@ add_route(struct rib_head *rnh, struct rt_addrinfo *in
> rt_old = rt_unlinkrte(rnh, info, &error);
> info->rti_flags |= RTF_PINNED;
> info->rti_info[RTAX_DST] = info_dst;
> - if (rt_old != NULL)
> + if (rt_old != NULL) {
> rn = rnh->rnh_addaddr(ndst, netmask, &rnh->head,
> rt->rt_nodes);
> +
> + /* Finalize notification */
> + rnh->rnh_gen++;
> +
> + if (rn != NULL) {
> + rc->rc_cmd = RTM_CHANGE;
> + rc->rc_rt = RNTORT(rn);
> + rc->rc_nh_old = rt_old->rt_nhop;
> + rc->rc_nh_new = nh;
> + } else {
> + rc->rc_cmd = RTM_DELETE;
> + rc->rc_rt = RNTORT(rn);
> + rc->rc_nh_old = rt_old->rt_nhop;
> + rc->rc_nh_new = nh;
> + }
> + rib_notify(rnh, RIB_NOTIFY_IMMEDIATE, rc);
> + }
> }
> RIB_WUNLOCK(rnh);
>
> @@ -208,12 +285,6 @@ add_route(struct rib_head *rnh, struct rt_addrinfo *in
> if (ifa->ifa_rtrequest)
> ifa->ifa_rtrequest(RTM_ADD, rt, rt->rt_nhop, info);
>
> - /*
> - * actually return a resultant rtentry
> - */
> - if (ret_nrt)
> - *ret_nrt = rt;
> - rnh->rnh_gen++; /* Routing table updated */
> RT_UNLOCK(rt);
>
> return (0);
> @@ -221,6 +292,29 @@ add_route(struct rib_head *rnh, struct rt_addrinfo *in
>
>
> /*
> + * Removes route defined by @info from the kernel table specified by @fibnum and
> + * sa_family in @info->rti_info[RTAX_DST].
> + *
> + * Returns 0 on success and fills in operation metadata into @rc.
> + */
> +int
> +rib_del_route(uint32_t fibnum, struct rt_addrinfo *info, struct rib_cmd_info *rc)
> +{
> + struct rib_head *rnh;
> +
> + NET_EPOCH_ASSERT();
> +
> + rnh = get_rnh(fibnum, info);
> + if (rnh == NULL)
> + return (EAFNOSUPPORT);
> +
> + bzero(rc, sizeof(struct rib_cmd_info));
> + rc->rc_cmd = RTM_DELETE;
> +
> + return (del_route(rnh, info, rc));
> +}
> +
> +/*
> * Conditionally unlinks rtentry matching data inside @info from @rnh.
> * Returns unlinked, locked and referenced @rtentry on success,
> * Returns NULL and sets @perror to:
> @@ -295,7 +389,7 @@ rt_unlinkrte(struct rib_head *rnh, struct rt_addrinfo
>
> int
> del_route(struct rib_head *rnh, struct rt_addrinfo *info,
> - struct rtentry **ret_nrt)
> + struct rib_cmd_info *rc)
> {
> struct sockaddr *dst, *netmask;
> struct sockaddr_storage mdst;
> @@ -314,6 +408,13 @@ del_route(struct rib_head *rnh, struct rt_addrinfo *in
>
> RIB_WLOCK(rnh);
> rt = rt_unlinkrte(rnh, info, &error);
> + if (rt != NULL) {
> + /* Finalize notification */
> + rnh->rnh_gen++;
> + rc->rc_rt = rt;
> + rc->rc_nh_old = rt->rt_nhop;
> + rib_notify(rnh, RIB_NOTIFY_IMMEDIATE, rc);
> + }
> RIB_WUNLOCK(rnh);
> if (error != 0)
> return (error);
> @@ -324,17 +425,32 @@ del_route(struct rib_head *rnh, struct rt_addrinfo *in
> * If the caller wants it, then it can have it,
> * the entry will be deleted after the end of the current epoch.
> */
> - if (ret_nrt)
> - *ret_nrt = rt;
> -
> rtfree(rt);
>
> return (0);
> }
>
> +int
> +rib_change_route(uint32_t fibnum, struct rt_addrinfo *info,
> + struct rib_cmd_info *rc)
> +{
> + struct rib_head *rnh;
> +
> + NET_EPOCH_ASSERT();
> +
> + rnh = get_rnh(fibnum, info);
> + if (rnh == NULL)
> + return (EAFNOSUPPORT);
> +
> + bzero(rc, sizeof(struct rib_cmd_info));
> + rc->rc_cmd = RTM_CHANGE;
> +
> + return (change_route(rnh, info, rc));
> +}
> +
> static int
> change_route_one(struct rib_head *rnh, struct rt_addrinfo *info,
> - struct rtentry **ret_nrt)
> + struct rib_cmd_info *rc)
> {
> RIB_RLOCK_TRACKER;
> struct rtentry *rt = NULL;
> @@ -434,14 +550,18 @@ change_route_one(struct rib_head *rnh, struct rt_addri
> if ((nh_orig->nh_ifa != nh->nh_ifa) && nh_orig->nh_ifa->ifa_rtrequest)
> nh_orig->nh_ifa->ifa_rtrequest(RTM_DELETE, rt, nh_orig, info);
>
> - if (ret_nrt != NULL)
> - *ret_nrt = rt;
> + /* Finalize notification */
> + rc->rc_rt = rt;
> + rc->rc_nh_old = nh_orig;
> + rc->rc_nh_new = rt->rt_nhop;
>
> RT_UNLOCK(rt);
>
> /* Update generation id to reflect rtable change */
> rnh->rnh_gen++;
>
> + rib_notify(rnh, RIB_NOTIFY_IMMEDIATE, rc);
> +
> RIB_WUNLOCK(rnh);
>
> nhop_free(nh_orig);
> @@ -451,7 +571,7 @@ change_route_one(struct rib_head *rnh, struct rt_addri
>
> int
> change_route(struct rib_head *rnh, struct rt_addrinfo *info,
> - struct rtentry **ret_nrt)
> + struct rib_cmd_info *rc)
> {
> int error;
>
> @@ -468,7 +588,7 @@ change_route(struct rib_head *rnh, struct rt_addrinfo
> * multiple times before failing.
> */
> for (int i = 0; i < RIB_MAX_RETRIES; i++) {
> - error = change_route_one(rnh, info, ret_nrt);
> + error = change_route_one(rnh, info, rc);
> if (error != EAGAIN)
> break;
> }
> @@ -581,4 +701,62 @@ rib_walk_del(u_int fibnum, int family, rt_filter_f_t *
> }
> }
>
> +static void
> +rib_notify(struct rib_head *rnh, enum rib_subscription_type type,
> + struct rib_cmd_info *rc)
> +{
> + struct rib_subscription *rs;
> +
> + CK_STAILQ_FOREACH(rs, &rnh->rnh_subscribers, next) {
> + if (rs->type == type)
> + rs->func(rnh, rc, rs->arg);
> + }
> +}
> +
> +struct rib_subscription *
> +rib_subscribe(uint32_t fibnum, int family, rib_subscription_cb_t *f, void *arg,
> + enum rib_subscription_type type, int waitok)
> +{
> + struct rib_head *rnh;
> + struct rib_subscription *rs;
> + int flags = M_ZERO | (waitok ? M_WAITOK : 0);
> +
> + NET_EPOCH_ASSERT();
> + KASSERT((fibnum < rt_numfibs), ("%s: bad fibnum", __func__));
> + rnh = rt_tables_get_rnh(fibnum, family);
> +
> + rs = malloc(sizeof(struct rib_subscription), M_RTABLE, flags);
> + if (rs == NULL)
> + return (NULL);
> +
> + rs->func = f;
> + rs->arg = arg;
> + rs->type = type;
> +
> + RIB_WLOCK(rnh);
> + CK_STAILQ_INSERT_TAIL(&rnh->rnh_subscribers, rs, next);
> + RIB_WUNLOCK(rnh);
> +
> + return (rs);
> +}
> +
> +int
> +rib_unsibscribe(uint32_t fibnum, int family, struct rib_subscription *rs)
> +{
> + struct rib_head *rnh;
> +
> + NET_EPOCH_ASSERT();
> + KASSERT((fibnum < rt_numfibs), ("%s: bad fibnum", __func__));
> + rnh = rt_tables_get_rnh(fibnum, family);
> +
> + if (rnh == NULL)
> + return (ENOENT);
> +
> + RIB_WLOCK(rnh);
> + CK_STAILQ_REMOVE(&rnh->rnh_subscribers, rs, rib_subscription, next);
> + RIB_WUNLOCK(rnh);
> +
> + free(rs, M_RTABLE);
> + return (0);
> +}
>
>
> Modified: head/sys/net/route/route_ddb.c
> ==============================================================================
> --- head/sys/net/route/route_ddb.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route/route_ddb.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_dl.h>
> #include <net/route.h>
> #include <net/route/nhop.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
>
> /*
>
> Modified: head/sys/net/route/route_helpers.c
> ==============================================================================
> --- head/sys/net/route/route_helpers.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route/route_helpers.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_var.h>
> #include <net/if_dl.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/route/nhop_utils.h>
> #include <net/route/nhop.h>
>
> Modified: head/sys/net/route/route_temporal.c
> ==============================================================================
> --- head/sys/net/route/route_temporal.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route/route_temporal.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -38,11 +38,13 @@ __FBSDID("$FreeBSD$");
> #include <sys/socket.h>
> #include <sys/kernel.h>
> #include <sys/lock.h>
> +#include <sys/ck.h>
> #include <sys/rmlock.h>
> #include <sys/callout.h>
>
> #include <net/if.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/vnet.h>
>
>
> Modified: head/sys/net/route/route_var.h
> ==============================================================================
> --- head/sys/net/route/route_var.h Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/net/route/route_var.h Mon Jun 1 20:49:42 2020 (r361706)
> @@ -35,6 +35,7 @@
> #ifndef RNF_NORMAL
> #include <net/radix.h>
> #endif
> +#include <sys/ck.h>
> #include <sys/epoch.h>
> #include <netinet/in.h> /* struct sockaddr_in */
> #include <sys/counter.h>
> @@ -63,6 +64,7 @@ struct rib_head {
> struct callout expire_callout; /* Callout for expiring dynamic routes */
> time_t next_expire; /* Next expire run ts */
> struct nh_control *nh_control; /* nexthop subsystem data */
> + CK_STAILQ_HEAD(, rib_subscription) rnh_subscribers;/* notification subscribers */
> };
>
> #define RIB_RLOCK_TRACKER struct rm_priotracker _rib_tracker
> @@ -110,12 +112,13 @@ void rt_setmetrics(const struct rt_addrinfo *info, str
> struct radix_node *rt_mpath_unlink(struct rib_head *rnh,
> struct rt_addrinfo *info, struct rtentry *rto, int *perror);
> #endif
> +struct rib_cmd_info;
> int add_route(struct rib_head *rnh, struct rt_addrinfo *info,
> - struct rtentry **ret_nrt);
> + struct rib_cmd_info *rc);
> int del_route(struct rib_head *rnh, struct rt_addrinfo *info,
> - struct rtentry **ret_nrt);
> + struct rib_cmd_info *rc);
> int change_route(struct rib_head *, struct rt_addrinfo *,
> - struct rtentry **);
> + struct rib_cmd_info *rc);
>
> VNET_PCPUSTAT_DECLARE(struct rtstat, rtstat);
> #define RTSTAT_ADD(name, val) \
>
> Modified: head/sys/netinet/in_rmx.c
> ==============================================================================
> --- head/sys/netinet/in_rmx.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/netinet/in_rmx.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if.h>
> #include <net/if_var.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/route/nhop.h>
> #include <net/route/shared.h>
>
> Modified: head/sys/netinet/ip_icmp.c
> ==============================================================================
> --- head/sys/netinet/ip_icmp.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/netinet/ip_icmp.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -52,6 +52,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_var.h>
> #include <net/if_types.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/nhop.h>
> #include <net/vnet.h>
>
>
> Modified: head/sys/netinet6/icmp6.c
> ==============================================================================
> --- head/sys/netinet6/icmp6.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/netinet6/icmp6.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -93,6 +93,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_llatbl.h>
> #include <net/if_types.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/nhop.h>
> #include <net/vnet.h>
>
>
> Modified: head/sys/netinet6/in6_rmx.c
> ==============================================================================
> --- head/sys/netinet6/in6_rmx.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/netinet6/in6_rmx.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -81,6 +81,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if.h>
> #include <net/if_var.h>
> #include <net/route.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/route/nhop.h>
> #include <net/route/shared.h>
>
> Modified: head/sys/netinet6/nd6_rtr.c
> ==============================================================================
> --- head/sys/netinet6/nd6_rtr.c Mon Jun 1 20:40:40 2020 (r361705)
> +++ head/sys/netinet6/nd6_rtr.c Mon Jun 1 20:49:42 2020 (r361706)
> @@ -60,6 +60,7 @@ __FBSDID("$FreeBSD$");
> #include <net/if_dl.h>
> #include <net/route.h>
> #include <net/route/nhop.h>
> +#include <net/route/route_ctl.h>
> #include <net/route/route_var.h>
> #include <net/radix.h>
> #include <net/vnet.h>
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