#include <net/fib_rules.h>
#include <net/l3mdev.h>
#include <net/addrconf.h>
+#include <net/ndisc.h>
+#include <net/ipv6.h>
#include "spectrum.h"
#include "core.h"
}
static void
+mlxsw_sp_router_neigh_entry_op6(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_neigh_entry *neigh_entry,
+ enum mlxsw_reg_rauht_op op)
+{
+ struct neighbour *n = neigh_entry->key.n;
+ char rauht_pl[MLXSW_REG_RAUHT_LEN];
+ const char *dip = n->primary_key;
+
+ mlxsw_reg_rauht_pack6(rauht_pl, op, neigh_entry->rif, neigh_entry->ha,
+ dip);
+ mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl);
+}
+
+static bool mlxsw_sp_neigh_ipv6_ignore(struct neighbour *n)
+{
+ /* Packets with a link-local destination address are trapped
+ * after LPM lookup and never reach the neighbour table, so
+ * there is no need to program such neighbours to the device.
+ */
+ if (ipv6_addr_type((struct in6_addr *) &n->primary_key) &
+ IPV6_ADDR_LINKLOCAL)
+ return true;
+ return false;
+}
+
+static void
mlxsw_sp_neigh_entry_update(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_neigh_entry *neigh_entry,
bool adding)
if (!adding && !neigh_entry->connected)
return;
neigh_entry->connected = adding;
- if (neigh_entry->key.n->tbl == &arp_tbl)
+ if (neigh_entry->key.n->tbl == &arp_tbl) {
mlxsw_sp_router_neigh_entry_op4(mlxsw_sp, neigh_entry,
mlxsw_sp_rauht_op(adding));
- else
+ } else if (neigh_entry->key.n->tbl == &nd_tbl) {
+ if (mlxsw_sp_neigh_ipv6_ignore(neigh_entry->key.n))
+ return;
+ mlxsw_sp_router_neigh_entry_op6(mlxsw_sp, neigh_entry,
+ mlxsw_sp_rauht_op(adding));
+ } else {
WARN_ON_ONCE(1);
+ }
}
struct mlxsw_sp_neigh_event_work {
case NETEVENT_NEIGH_UPDATE:
n = ptr;
- if (n->tbl != &arp_tbl)
+ if (n->tbl != &arp_tbl && n->tbl != &nd_tbl)
return NOTIFY_DONE;
mlxsw_sp_port = mlxsw_sp_port_lower_dev_hold(n->dev);