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-rw-r--r--vnet/vnet/adj/adj.c10
-rw-r--r--vnet/vnet/adj/adj_internal.h3
-rw-r--r--vnet/vnet/adj/adj_nbr.c4
-rw-r--r--vnet/vnet/ethernet/arp.c2
-rw-r--r--vnet/vnet/gre/gre.c43
-rw-r--r--vnet/vnet/gre/gre.h77
-rw-r--r--vnet/vnet/gre/interface.c51
-rw-r--r--vnet/vnet/gre/node.c21
-rw-r--r--vnet/vnet/interface_output.c29
-rw-r--r--vnet/vnet/ip/ip6_forward.c2
-rw-r--r--vnet/vnet/ip/ip6_neighbor.c2
11 files changed, 174 insertions, 70 deletions
diff --git a/vnet/vnet/adj/adj.c b/vnet/vnet/adj/adj.c
index 24f7662d943..2741c885cee 100644
--- a/vnet/vnet/adj/adj.c
+++ b/vnet/vnet/adj/adj.c
@@ -61,6 +61,7 @@ adj_alloc (fib_protocol_t proto)
adj->mcast_group_index = ~0;
adj->saved_lookup_next_index = 0;
adj->n_adj = 1;
+ adj->lookup_next_index = 0;
fib_node_init(&adj->ia_node,
FIB_NODE_TYPE_ADJ);
@@ -163,7 +164,8 @@ adj_last_lock_gone (ip_adjacency_t *adj)
/*
* complete and incomplete nbr adjs
*/
- adj_nbr_remove(adj->ia_nh_proto,
+ adj_nbr_remove(adj_get_index(adj),
+ adj->ia_nh_proto,
adj->ia_link,
&adj->sub_type.nbr.next_hop,
adj->rewrite_header.sw_if_index);
@@ -376,6 +378,12 @@ adj_show (vlib_main_t * vm,
if (ADJ_INDEX_INVALID != ai)
{
+ if (pool_is_free_index(adj_pool, ai))
+ {
+ vlib_cli_output (vm, "adjacency %d invalid", ai);
+ return 0;
+ }
+
vlib_cli_output (vm, "[@%d] %U",
ai,
format_ip_adjacency, ai,
diff --git a/vnet/vnet/adj/adj_internal.h b/vnet/vnet/adj/adj_internal.h
index e3e0e04c99a..833bc7c9e01 100644
--- a/vnet/vnet/adj/adj_internal.h
+++ b/vnet/vnet/adj/adj_internal.h
@@ -93,7 +93,8 @@ extern void adj_nbr_update_rewrite_internal (ip_adjacency_t *adj,
extern ip_adjacency_t * adj_alloc(fib_protocol_t proto);
-extern void adj_nbr_remove(fib_protocol_t nh_proto,
+extern void adj_nbr_remove(adj_index_t ai,
+ fib_protocol_t nh_proto,
vnet_link_t link_type,
const ip46_address_t *nh_addr,
u32 sw_if_index);
diff --git a/vnet/vnet/adj/adj_nbr.c b/vnet/vnet/adj/adj_nbr.c
index 1a78ecbc49f..003e18e8d66 100644
--- a/vnet/vnet/adj/adj_nbr.c
+++ b/vnet/vnet/adj/adj_nbr.c
@@ -76,7 +76,8 @@ adj_nbr_insert (fib_protocol_t nh_proto,
}
void
-adj_nbr_remove (fib_protocol_t nh_proto,
+adj_nbr_remove (adj_index_t ai,
+ fib_protocol_t nh_proto,
vnet_link_t link_type,
const ip46_address_t *nh_addr,
u32 sw_if_index)
@@ -87,6 +88,7 @@ adj_nbr_remove (fib_protocol_t nh_proto,
return;
ADJ_NBR_SET_KEY(kv, link_type, nh_addr);
+ kv.value = ai;
BV(clib_bihash_add_del) (adj_nbr_tables[nh_proto][sw_if_index], &kv, 0);
}
diff --git a/vnet/vnet/ethernet/arp.c b/vnet/vnet/ethernet/arp.c
index eeaac4d3808..c6dbbc689b2 100644
--- a/vnet/vnet/ethernet/arp.c
+++ b/vnet/vnet/ethernet/arp.c
@@ -1509,7 +1509,7 @@ arp_add_del_interface_address (ip4_main_t * im,
ethernet_arp_main_t *am = &ethernet_arp_main;
ethernet_arp_ip4_entry_t *e;
- if (vec_len (am->ethernet_arp_by_sw_if_index) < sw_if_index)
+ if (vec_len (am->ethernet_arp_by_sw_if_index) <= sw_if_index)
return;
if (is_del)
diff --git a/vnet/vnet/gre/gre.c b/vnet/vnet/gre/gre.c
index a4b3f9fc228..0faed13eb29 100644
--- a/vnet/vnet/gre/gre.c
+++ b/vnet/vnet/gre/gre.c
@@ -250,9 +250,9 @@ gre_update_adj (vnet_main_t * vnm,
* @brief TX function. Only called L2. L3 traffic uses the adj-midchains
*/
static uword
-gre_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+gre_interface_tx_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
gre_main_t * gm = &gre_main;
u32 next_index;
@@ -318,12 +318,34 @@ gre_interface_tx (vlib_main_t * vm,
return frame->n_vectors;
}
+static uword
+gre_interface_tx (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (gre_interface_tx_inline (vm, node, frame));
+}
+
+static uword
+gre_teb_interface_tx (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return (gre_interface_tx_inline (vm, node, frame));
+}
+
static u8 * format_gre_tunnel_name (u8 * s, va_list * args)
{
u32 dev_instance = va_arg (*args, u32);
return format (s, "gre%d", dev_instance);
}
+static u8 * format_gre_tunnel_teb_name (u8 * s, va_list * args)
+{
+ u32 dev_instance = va_arg (*args, u32);
+ return format (s, "teb-gre%d", dev_instance);
+}
+
static u8 * format_gre_device (u8 * s, va_list * args)
{
u32 dev_instance = va_arg (*args, u32);
@@ -348,6 +370,21 @@ VNET_DEVICE_CLASS (gre_device_class) = {
VLIB_DEVICE_TX_FUNCTION_MULTIARCH (gre_device_class,
gre_interface_tx)
+VNET_DEVICE_CLASS (gre_device_teb_class) = {
+ .name = "GRE TEB tunnel device",
+ .format_device_name = format_gre_tunnel_teb_name,
+ .format_device = format_gre_device,
+ .format_tx_trace = format_gre_tx_trace,
+ .tx_function = gre_teb_interface_tx,
+ .admin_up_down_function = gre_interface_admin_up_down,
+#ifdef SOON
+ .clear counter = 0;
+#endif
+};
+
+VLIB_DEVICE_TX_FUNCTION_MULTIARCH (gre_device_teb_class,
+ gre_teb_interface_tx)
+
VNET_HW_INTERFACE_CLASS (gre_hw_interface_class) = {
.name = "GRE",
.format_header = format_gre_header_with_length,
diff --git a/vnet/vnet/gre/gre.h b/vnet/vnet/gre/gre.h
index a0ee9ad263b..b6544b9b737 100644
--- a/vnet/vnet/gre/gre.h
+++ b/vnet/vnet/gre/gre.h
@@ -36,20 +36,48 @@ typedef enum {
GRE_N_ERROR,
} gre_error_t;
+/**
+ * A GRE payload protocol registration
+ */
typedef struct {
- /* Name (a c string). */
+ /** Name (a c string). */
char * name;
- /* GRE protocol type in host byte order. */
+ /** GRE protocol type in host byte order. */
gre_protocol_t protocol;
- /* Node which handles this type. */
+ /** Node which handles this type. */
u32 node_index;
- /* Next index for this type. */
+ /** Next index for this type. */
u32 next_index;
} gre_protocol_info_t;
+/**
+ * @brief The GRE tunnel type
+ */
+typedef enum gre_tunnel_tyoe_t_
+{
+ /**
+ * L3 GRE (i.e. this tunnel is in L3 mode)
+ */
+ GRE_TUNNEL_TYPE_L3,
+ /**
+ * Transparent Ethernet Bridging - the tunnel is in L2 mode
+ */
+ GRE_TUNNEL_TYPE_TEB,
+} gre_tunnel_type_t;
+
+#define GRE_TUNNEL_TYPE_NAMES { \
+ [GRE_TUNNEL_TYPE_L3] = "L3", \
+ [GRE_TUNNEL_TYPE_TEB] = "TEB", \
+}
+
+#define GRE_TUNNEL_N_TYPES ((gre_tunnel_type_t)GRE_TUNNEL_TYPE_TEB+1)
+
+/**
+ * @brief A representation of a GRE tunnel
+ */
typedef struct {
/**
* Linkage into the FIB object graph
@@ -70,7 +98,7 @@ typedef struct {
u32 outer_fib_index;
u32 hw_if_index;
u32 sw_if_index;
- u8 teb;
+ gre_tunnel_type_t type;
/**
* The FIB entry sourced by the tunnel for its destination prefix
@@ -96,21 +124,39 @@ typedef struct {
adj_index_t l2_adj_index;
} gre_tunnel_t;
+/**
+ * @brief GRE related global data
+ */
typedef struct {
- /* pool of tunnel instances */
+ /**
+ * pool of tunnel instances
+ */
gre_tunnel_t *tunnels;
+ /**
+ * GRE payload protocol registrations
+ */
gre_protocol_info_t * protocol_infos;
- /* Hash tables mapping name/protocol to protocol info index. */
+ /**
+ * Hash tables mapping name/protocol to protocol info index.
+ */
uword * protocol_info_by_name, * protocol_info_by_protocol;
- /* Hash mapping src/dst addr pair to tunnel */
+ /**
+ * Hash mapping src/dst addr pair to tunnel
+ */
uword * tunnel_by_key;
- /* Free vlib hw_if_indices */
- u32 * free_gre_tunnel_hw_if_indices;
+ /**
+ * Free vlib hw_if_indices.
+ * A free list per-tunnel type since the interfaces ctreated are fo different
+ * types and we cannot change the type.
+ */
+ u32 * free_gre_tunnel_hw_if_indices[GRE_TUNNEL_N_TYPES];
- /* Mapping from sw_if_index to tunnel index */
+ /**
+ * Mapping from sw_if_index to tunnel index
+ */
u32 * tunnel_index_by_sw_if_index;
/* convenience */
@@ -120,8 +166,7 @@ typedef struct {
/**
* @brief IPv4 and GRE header.
- *
-*/
+ */
typedef CLIB_PACKED (struct {
ip4_header_t ip4;
gre_header_t gre;
@@ -148,8 +193,8 @@ extern clib_error_t * gre_interface_admin_up_down (vnet_main_t * vnm,
extern void gre_tunnel_stack (adj_index_t ai);
extern void gre_update_adj (vnet_main_t * vnm,
- u32 sw_if_index,
- adj_index_t ai);
+ u32 sw_if_index,
+ adj_index_t ai);
format_function_t format_gre_protocol;
format_function_t format_gre_header;
@@ -157,7 +202,7 @@ format_function_t format_gre_header_with_length;
extern vlib_node_registration_t gre_input_node;
extern vnet_device_class_t gre_device_class;
-extern vnet_device_class_t gre_l2_device_class;
+extern vnet_device_class_t gre_device_teb_class;
/* Parse gre protocol as 0xXXXX or protocol name.
In either host or network byte order. */
diff --git a/vnet/vnet/gre/interface.c b/vnet/vnet/gre/interface.c
index 3234de09858..7adc5268446 100644
--- a/vnet/vnet/gre/interface.c
+++ b/vnet/vnet/gre/interface.c
@@ -24,6 +24,8 @@
#include <vnet/adj/adj_nbr.h>
#include <vnet/mpls/mpls.h>
+static const char *gre_tunnel_type_names[] = GRE_TUNNEL_TYPE_NAMES;
+
static inline u64
gre_mk_key (const ip4_address_t *src,
const ip4_address_t *dst,
@@ -34,17 +36,25 @@ gre_mk_key (const ip4_address_t *src,
}
static u8 *
+format_gre_tunnel_type (u8 * s, va_list * args)
+{
+ gre_tunnel_type_t type = va_arg (*args, gre_tunnel_type_t);
+
+ return (format(s, "%s", gre_tunnel_type_names[type]));
+}
+
+static u8 *
format_gre_tunnel (u8 * s, va_list * args)
{
gre_tunnel_t * t = va_arg (*args, gre_tunnel_t *);
gre_main_t * gm = &gre_main;
s = format (s,
- "[%d] %U (src) %U (dst) payload %s outer_fib_index %d",
+ "[%d] %U (src) %U (dst) payload %U outer_fib_index %d",
t - gm->tunnels,
format_ip4_address, &t->tunnel_src,
format_ip4_address, &t->tunnel_dst,
- (t->teb ? "teb" : "ip"),
+ format_gre_tunnel_type, t->type,
t->outer_fib_index);
return s;
@@ -248,12 +258,17 @@ vnet_gre_tunnel_add (vnet_gre_add_del_tunnel_args_t *a,
memset (t, 0, sizeof (*t));
fib_node_init(&t->node, FIB_NODE_TYPE_GRE_TUNNEL);
- if (vec_len (gm->free_gre_tunnel_hw_if_indices) > 0) {
+ if (a->teb)
+ t->type = GRE_TUNNEL_TYPE_TEB;
+ else
+ t->type = GRE_TUNNEL_TYPE_L3;
+
+ if (vec_len (gm->free_gre_tunnel_hw_if_indices[t->type]) > 0) {
vnet_interface_main_t * im = &vnm->interface_main;
- hw_if_index = gm->free_gre_tunnel_hw_if_indices
- [vec_len (gm->free_gre_tunnel_hw_if_indices)-1];
- _vec_len (gm->free_gre_tunnel_hw_if_indices) -= 1;
+ hw_if_index = gm->free_gre_tunnel_hw_if_indices[t->type]
+ [vec_len (gm->free_gre_tunnel_hw_if_indices[t->type])-1];
+ _vec_len (gm->free_gre_tunnel_hw_if_indices[t->type]) -= 1;
hi = vnet_get_hw_interface (vnm, hw_if_index);
hi->dev_instance = t - gm->tunnels;
@@ -269,14 +284,14 @@ vnet_gre_tunnel_add (vnet_gre_add_del_tunnel_args_t *a,
vlib_zero_simple_counter
(&im->sw_if_counters[VNET_INTERFACE_COUNTER_DROP], sw_if_index);
vnet_interface_counter_unlock(im);
- if (a->teb)
+ if (GRE_TUNNEL_TYPE_TEB == t->type)
{
- t->l2_tx_arc = vlib_node_add_named_next(vlib_get_main(),
- hi->tx_node_index,
- "adj-l2-midchain");
+ t->l2_tx_arc = vlib_node_add_named_next(vlib_get_main(),
+ hi->tx_node_index,
+ "adj-l2-midchain");
}
} else {
- if (a->teb)
+ if (GRE_TUNNEL_TYPE_TEB == t->type)
{
/* Default MAC address (d00b:eed0:0000 + sw_if_index) */
memset (address, 0, sizeof (address));
@@ -287,7 +302,7 @@ vnet_gre_tunnel_add (vnet_gre_add_del_tunnel_args_t *a,
address[4] = t - gm->tunnels;
error = ethernet_register_interface(vnm,
- gre_device_class.index,
+ gre_device_teb_class.index,
t - gm->tunnels, address,
&hw_if_index,
0);
@@ -316,14 +331,11 @@ vnet_gre_tunnel_add (vnet_gre_add_del_tunnel_args_t *a,
t->hw_if_index = hw_if_index;
t->outer_fib_index = outer_fib_index;
t->sw_if_index = sw_if_index;
- t->teb = a->teb;
vec_validate_init_empty (gm->tunnel_index_by_sw_if_index, sw_if_index, ~0);
gm->tunnel_index_by_sw_if_index[sw_if_index] = t - gm->tunnels;
vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
- im->fib_index_by_sw_if_index[sw_if_index] = t->outer_fib_index;
- ip4_sw_interface_enable_disable(sw_if_index, 1);
hi->min_packet_bytes = 64 + sizeof (gre_header_t) + sizeof (ip4_header_t);
hi->per_packet_overhead_bytes =
@@ -365,13 +377,12 @@ vnet_gre_tunnel_add (vnet_gre_add_del_tunnel_args_t *a,
clib_memcpy (&t->tunnel_src, &a->src, sizeof (t->tunnel_src));
clib_memcpy (&t->tunnel_dst, &a->dst, sizeof (t->tunnel_dst));
- if (t->teb)
+ if (GRE_TUNNEL_TYPE_TEB == t->type)
{
t->l2_adj_index = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
VNET_LINK_ETHERNET,
&zero_addr,
sw_if_index);
-
gre_update_adj(vnm, t->sw_if_index, t->l2_adj_index);
}
@@ -399,9 +410,11 @@ vnet_gre_tunnel_delete (vnet_gre_add_del_tunnel_args_t *a,
vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */);
/* make sure tunnel is removed from l2 bd or xconnect */
set_int_l2_mode(gm->vlib_main, vnm, MODE_L3, sw_if_index, 0, 0, 0, 0);
- vec_add1 (gm->free_gre_tunnel_hw_if_indices, t->hw_if_index);
+ vec_add1 (gm->free_gre_tunnel_hw_if_indices[t->type], t->hw_if_index);
gm->tunnel_index_by_sw_if_index[sw_if_index] = ~0;
- ip4_sw_interface_enable_disable(sw_if_index, 0);
+
+ if (GRE_TUNNEL_TYPE_TEB == t->type)
+ adj_unlock(t->l2_adj_index);
fib_entry_child_remove(t->fib_entry_index,
t->sibling_index);
diff --git a/vnet/vnet/gre/node.c b/vnet/vnet/gre/node.c
index 556f1a81837..86f7a6eeea4 100644
--- a/vnet/vnet/gre/node.c
+++ b/vnet/vnet/gre/node.c
@@ -68,12 +68,10 @@ gre_input (vlib_main_t * vm,
vlib_frame_t * from_frame)
{
gre_main_t * gm = &gre_main;
- ip4_main_t * ip4m = &ip4_main;
gre_input_runtime_t * rt = (void *) node->runtime_data;
__attribute__((unused)) u32 n_left_from, next_index, * from, * to_next;
u64 cached_tunnel_key = (u64) ~0;
u32 cached_tunnel_sw_if_index = 0, tunnel_sw_if_index = 0;
- u32 cached_tunnel_fib_index = 0, tunnel_fib_index;
u32 cpu_index = os_get_cpu_number();
u32 len;
@@ -193,16 +191,12 @@ gre_input (vlib_main_t * vm,
hi = vnet_get_hw_interface (gm->vnet_main,
t->hw_if_index);
tunnel_sw_if_index = hi->sw_if_index;
- tunnel_fib_index = vec_elt (ip4m->fib_index_by_sw_if_index,
- tunnel_sw_if_index);
cached_tunnel_sw_if_index = tunnel_sw_if_index;
- cached_tunnel_fib_index = tunnel_fib_index;
}
else
{
tunnel_sw_if_index = cached_tunnel_sw_if_index;
- tunnel_fib_index = cached_tunnel_fib_index;
}
}
else
@@ -218,7 +212,6 @@ gre_input (vlib_main_t * vm,
1 /* packets */,
len /* bytes */);
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = tunnel_fib_index;
vnet_buffer(b0)->sw_if_index[VLIB_RX] = tunnel_sw_if_index;
drop0:
@@ -247,16 +240,12 @@ drop0:
hi = vnet_get_hw_interface (gm->vnet_main,
t->hw_if_index);
tunnel_sw_if_index = hi->sw_if_index;
- tunnel_fib_index = vec_elt (ip4m->fib_index_by_sw_if_index,
- tunnel_sw_if_index);
cached_tunnel_sw_if_index = tunnel_sw_if_index;
- cached_tunnel_fib_index = tunnel_fib_index;
}
else
{
tunnel_sw_if_index = cached_tunnel_sw_if_index;
- tunnel_fib_index = cached_tunnel_fib_index;
}
}
else
@@ -272,7 +261,6 @@ drop0:
1 /* packets */,
len /* bytes */);
- vnet_buffer(b1)->sw_if_index[VLIB_TX] = tunnel_fib_index;
vnet_buffer(b1)->sw_if_index[VLIB_RX] = tunnel_sw_if_index;
drop1:
@@ -280,7 +268,7 @@ drop1:
{
gre_rx_trace_t *tr = vlib_add_trace (vm, node,
b0, sizeof (*tr));
- tr->tunnel_id = ~0;
+ tr->tunnel_id = tunnel_sw_if_index;
tr->length = ip0->length;
tr->src.as_u32 = ip0->src_address.as_u32;
tr->dst.as_u32 = ip0->dst_address.as_u32;
@@ -290,7 +278,7 @@ drop1:
{
gre_rx_trace_t *tr = vlib_add_trace (vm, node,
b1, sizeof (*tr));
- tr->tunnel_id = ~0;
+ tr->tunnel_id = tunnel_sw_if_index;
tr->length = ip1->length;
tr->src.as_u32 = ip1->src_address.as_u32;
tr->dst.as_u32 = ip1->dst_address.as_u32;
@@ -374,16 +362,12 @@ drop1:
hi = vnet_get_hw_interface (gm->vnet_main,
t->hw_if_index);
tunnel_sw_if_index = hi->sw_if_index;
- tunnel_fib_index = vec_elt (ip4m->fib_index_by_sw_if_index,
- tunnel_sw_if_index);
cached_tunnel_sw_if_index = tunnel_sw_if_index;
- cached_tunnel_fib_index = tunnel_fib_index;
}
else
{
tunnel_sw_if_index = cached_tunnel_sw_if_index;
- tunnel_fib_index = cached_tunnel_fib_index;
}
}
else
@@ -399,7 +383,6 @@ drop1:
1 /* packets */,
len /* bytes */);
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = tunnel_fib_index;
vnet_buffer(b0)->sw_if_index[VLIB_RX] = tunnel_sw_if_index;
drop:
diff --git a/vnet/vnet/interface_output.c b/vnet/vnet/interface_output.c
index 1d1546f6ebe..46e8a98c75d 100644
--- a/vnet/vnet/interface_output.c
+++ b/vnet/vnet/interface_output.c
@@ -58,15 +58,30 @@ format_vnet_interface_output_trace (u8 * s, va_list * va)
if (t->sw_if_index != (u32) ~ 0)
{
- si = vnet_get_sw_interface (vnm, t->sw_if_index);
indent = format_get_indent (s);
- s = format (s, "%U\n%U%U",
- format_vnet_sw_interface_name, vnm, si,
- format_white_space, indent,
- node->format_buffer ? node->
- format_buffer : format_hex_bytes, t->data,
- sizeof (t->data));
+ if (pool_is_free_index
+ (vnm->interface_main.sw_interfaces, t->sw_if_index))
+ {
+ /* the interface may have been deleted by the time the trace is printed */
+ s = format (s, "sw_if_index: %d\n%U%U",
+ t->sw_if_index,
+ format_white_space, indent,
+ node->format_buffer ? node->
+ format_buffer : format_hex_bytes, t->data,
+ sizeof (t->data));
+ }
+ else
+ {
+ si = vnet_get_sw_interface (vnm, t->sw_if_index);
+
+ s = format (s, "%U\n%U%U",
+ format_vnet_sw_interface_name, vnm, si,
+ format_white_space, indent,
+ node->format_buffer ? node->
+ format_buffer : format_hex_bytes, t->data,
+ sizeof (t->data));
+ }
}
return s;
}
diff --git a/vnet/vnet/ip/ip6_forward.c b/vnet/vnet/ip/ip6_forward.c
index bc346786283..14dd9dfbdf0 100644
--- a/vnet/vnet/ip/ip6_forward.c
+++ b/vnet/vnet/ip/ip6_forward.c
@@ -498,6 +498,8 @@ ip6_add_del_interface_address (vlib_main_t * vm,
goto done;
}
+ ip6_sw_interface_enable_disable(sw_if_index, !is_del);
+
if (is_del)
ip6_del_interface_routes (im, ip6_af.fib_index, address,
address_length);
diff --git a/vnet/vnet/ip/ip6_neighbor.c b/vnet/vnet/ip/ip6_neighbor.c
index cebe09a9557..af852a2be86 100644
--- a/vnet/vnet/ip/ip6_neighbor.c
+++ b/vnet/vnet/ip/ip6_neighbor.c
@@ -1849,7 +1849,6 @@ ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm,
pool_put (nm->if_radv_pool, a);
nm->if_radv_pool_index_by_sw_if_index[sw_if_index] = ~0;
ri = ~0;
- ip6_sw_interface_enable_disable(sw_if_index, 0);
}
}
else
@@ -1858,7 +1857,6 @@ ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm,
{
vnet_hw_interface_t * hw_if0;
- ip6_sw_interface_enable_disable(sw_if_index, 1);
hw_if0 = vnet_get_sup_hw_interface (vnm, sw_if_index);
pool_get (nm->if_radv_pool, a);