Add nhgrp_get_idx() as a counterpart for nhop_get_idx().

It allows the routing-related code to reference nexthop groups by index instead of storing a pointer.
rcbchan · Nov 28, 2020 · ef6ef7e · ef6ef7e
1 parent 7a6dc73
commit ef6ef7e
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diff --git a/sys/net/route/nhgrp_ctl.c b/sys/net/route/nhgrp_ctl.c
@@ -753,6 +753,15 @@ dump_nhgrp_entry(struct rib_head *rh, const struct nhgrp_priv *nhg_priv,
 	return (error);
 }
 
+uint32_t
+nhgrp_get_idx(const struct nhgrp_object *nhg)
+{
+	const struct nhgrp_priv *nhg_priv;
+
+	nhg_priv = NHGRP_PRIV_CONST(nhg);
+	return (nhg_priv->nhg_idx);
+}
+
 int
 nhgrp_dump_sysctl(struct rib_head *rh, struct sysctl_req *w)
 {

diff --git a/sys/net/route/route_var.h b/sys/net/route/route_var.h
@@ -305,6 +305,7 @@ int nhgrp_get_addition_group(struct rib_head *rnh,
     struct route_nhop_data *rnd_orig, struct route_nhop_data *rnd_add,
     struct route_nhop_data *rnd_new);
 
+uint32_t nhgrp_get_idx(const struct nhgrp_object *nhg);
 void nhgrp_free(struct nhgrp_object *nhg);
 
 /* Entropy data used for outbound hashing */