Page MenuHomeFreeBSD
Files F167693028

D27416.id80241.diff
No OneTemporary
Actions

D27416.id80241.diff
View Options

Index: sys/net/route/route_ctl.h
===================================================================
--- sys/net/route/route_ctl.h
+++ sys/net/route/route_ctl.h
@@ -82,18 +82,44 @@
rib_walk_hook_f_t *hook_f, void *arg);
void rib_foreach_table_walk_del(int family, rib_filter_f_t *filter_f, void *arg);
-struct route_nhop_data;
+struct nhop_object;
+struct nhgrp_object;
+struct route_nhop_data {
+ union {
+ struct nhop_object *rnd_nhop;
+ struct nhgrp_object *rnd_nhgrp;
+ };
+ uint32_t rnd_weight;
+};
+
const struct rtentry *rib_lookup_prefix(uint32_t fibnum, int family,
const struct sockaddr *dst, const struct sockaddr *netmask,
struct route_nhop_data *rnd);
const struct rtentry *rib_lookup_lpm(uint32_t fibnum, int family,
const struct sockaddr *dst, struct route_nhop_data *rnd);
+/* rtentry accessors */
+bool rt_is_host(const struct rtentry *rt);
+struct nhop_object *rt_get_raw_nhop(const struct rtentry *rt);
+#ifdef INET
+struct in_addr;
+void rt_get_inet_prefix_plen(const struct rtentry *rt, struct in_addr *paddr,
+ int *plen, uint32_t *pscopeid);
+void rt_get_inet_prefix_pmask(const struct rtentry *rt, struct in_addr *paddr,
+ struct in_addr *pmask, uint32_t *pscopeid);
+#endif
+#ifdef INET6
+struct in6_addr;
+void rt_get_inet6_prefix_plen(const struct rtentry *rt, struct in6_addr *paddr,
+ int *plen, uint32_t *pscopeid);
+void rt_get_inet6_prefix_pmask(const struct rtentry *rt, struct in6_addr *paddr,
+ struct in6_addr *pmask, uint32_t *pscopeid);
+#endif
+
/* Nexthops */
uint32_t nhops_get_count(struct rib_head *rh);
/* Multipath */
-struct nhgrp_object;
struct weightened_nhop;
struct weightened_nhop *nhgrp_get_nhops(struct nhgrp_object *nhg,
Index: sys/net/route/route_ctl.c
===================================================================
--- sys/net/route/route_ctl.c
+++ sys/net/route/route_ctl.c
@@ -53,6 +53,7 @@
#include <net/route/nhop.h>
#include <net/route/nhop_var.h>
#include <netinet/in.h>
+#include <netinet6/scope6_var.h>
#include <vm/uma.h>
@@ -235,6 +236,132 @@
return (weight);
}
+
+bool
+rt_is_host(const struct rtentry *rt)
+{
+
+ return (rt->rte_flags & RTF_HOST);
+}
+
+/*
+ * Returns pointer to nexthop or nexthop group
+ * associated with @rt
+ */
+struct nhop_object *
+rt_get_raw_nhop(const struct rtentry *rt)
+{
+
+ return (rt->rt_nhop);
+}
+
+#ifdef INET
+/*
+ * Stores IPv4 address and prefix length of @rt inside
+ * @paddr and @plen.
+ * @pscopeid is currently always set to 0.
+ */
+void
+rt_get_inet_prefix_plen(const struct rtentry *rt, struct in_addr *paddr,
+ int *plen, uint32_t *pscopeid)
+{
+ const struct sockaddr_in *dst;
+
+ dst = (const struct sockaddr_in *)rt_key_const(rt);
+ KASSERT((dst->sin_family == AF_INET),
+ ("rt family is %d, not inet", dst->sin_family));
+ *paddr = dst->sin_addr;
+ dst = (const struct sockaddr_in *)rt_mask_const(rt);
+ if (dst == NULL)
+ *plen = 32;
+ else
+ *plen = bitcount32(dst->sin_addr.s_addr);
+ *pscopeid = 0;
+}
+
+/*
+ * Stores IPv4 address and prefix mask of @rt inside
+ * @paddr and @pmask. Sets mask to INADDR_ANY for host routes.
+ * @pscopeid is currently always set to 0.
+ */
+void
+rt_get_inet_prefix_pmask(const struct rtentry *rt, struct in_addr *paddr,
+ struct in_addr *pmask, uint32_t *pscopeid)
+{
+ const struct sockaddr_in *dst;
+
+ dst = (const struct sockaddr_in *)rt_key_const(rt);
+ KASSERT((dst->sin_family == AF_INET),
+ ("rt family is %d, not inet", dst->sin_family));
+ *paddr = dst->sin_addr;
+ dst = (const struct sockaddr_in *)rt_mask_const(rt);
+ if (dst == NULL)
+ pmask->s_addr = INADDR_BROADCAST;
+ else
+ *pmask = dst->sin_addr;
+ *pscopeid = 0;
+}
+#endif
+
+#ifdef INET6
+static int
+inet6_get_plen(const struct in6_addr *addr)
+{
+
+ return (bitcount32(addr->s6_addr32[0]) + bitcount32(addr->s6_addr32[1]) +
+ bitcount32(addr->s6_addr32[2]) + bitcount32(addr->s6_addr32[3]));
+}
+
+/*
+ * Stores IPv6 address and prefix length of @rt inside
+ * @paddr and @plen. Addresses are returned in de-embedded form.
+ * Scopeid is set to 0 for non-LL addresses.
+ */
+void
+rt_get_inet6_prefix_plen(const struct rtentry *rt, struct in6_addr *paddr,
+ int *plen, uint32_t *pscopeid)
+{
+ const struct sockaddr_in6 *dst;
+
+ dst = (const struct sockaddr_in6 *)rt_key_const(rt);
+ KASSERT((dst->sin6_family == AF_INET6),
+ ("rt family is %d, not inet6", dst->sin6_family));
+ if (IN6_IS_SCOPE_LINKLOCAL(&dst->sin6_addr))
+ in6_splitscope(&dst->sin6_addr, paddr, pscopeid);
+ else
+ *paddr = dst->sin6_addr;
+ dst = (const struct sockaddr_in6 *)rt_mask_const(rt);
+ if (dst == NULL)
+ *plen = 128;
+ else
+ *plen = inet6_get_plen(&dst->sin6_addr);
+}
+
+/*
+ * Stores IPv6 address and prefix mask of @rt inside
+ * @paddr and @pmask. Addresses are returned in de-embedded form.
+ * Scopeid is set to 0 for non-LL addresses.
+ */
+void
+rt_get_inet6_prefix_pmask(const struct rtentry *rt, struct in6_addr *paddr,
+ struct in6_addr *pmask, uint32_t *pscopeid)
+{
+ const struct sockaddr_in6 *dst;
+
+ dst = (const struct sockaddr_in6 *)rt_key_const(rt);
+ KASSERT((dst->sin6_family == AF_INET6),
+ ("rt family is %d, not inet", dst->sin6_family));
+ if (IN6_IS_SCOPE_LINKLOCAL(&dst->sin6_addr))
+ in6_splitscope(&dst->sin6_addr, paddr, pscopeid);
+ else
+ *paddr = dst->sin6_addr;
+ dst = (const struct sockaddr_in6 *)rt_mask_const(rt);
+ if (dst == NULL)
+ memset(pmask, 0xFF, sizeof(struct in6_addr));
+ else
+ *pmask = dst->sin6_addr;
+}
+#endif
static void
rt_set_expire_info(struct rtentry *rt, const struct rt_addrinfo *info)
Index: sys/net/route/route_var.h
===================================================================
--- sys/net/route/route_var.h
+++ sys/net/route/route_var.h
@@ -205,14 +205,7 @@
void tmproutes_destroy(struct rib_head *rh);
/* route_ctl.c */
-struct route_nhop_data {
- union {
- struct nhop_object *rnd_nhop;
- struct nhgrp_object *rnd_nhgrp;
- };
- uint32_t rnd_weight;
-};
-
+struct route_nhop_data;
int change_route_nhop(struct rib_head *rnh, struct rtentry *rt,
struct rt_addrinfo *info, struct route_nhop_data *rnd,
struct rib_cmd_info *rc);

File Metadata

Mime Type
text/plain
Expires
Mon, Aug 24, 7:55 PM (8 h, 36 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
37203258
Default Alt Text
D27416.id80241.diff (6 KB)

Event Timeline