#include <vppinfra/hash.h>
#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
-#include <vnet/ip/udp.h>
+#include <vnet/udp/udp.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/lisp-gpe/lisp_gpe.h>
#include <vnet/lisp-gpe/lisp_gpe_fwd_entry.h>
s = format (s, "\n ver_res %d res %d next_protocol %d iid %d(%x)",
h->ver_res, h->res, h->next_protocol,
- clib_net_to_host_u32 (h->iid), clib_net_to_host_u32 (h->iid));
+ clib_net_to_host_u32 (h->iid << 8),
+ clib_net_to_host_u32 (h->iid << 8));
return s;
}
typedef struct
{
- u32 lb_index;
+ u32 dpo_index;
} l2_lisp_gpe_tx_trace_t;
static u8 *
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
l2_lisp_gpe_tx_trace_t *t = va_arg (*args, l2_lisp_gpe_tx_trace_t *);
- s = format (s, "L2-LISP-GPE-TX: load-balance %d", t->lb_index);
+ s = format (s, "L2-LISP-GPE-TX: load-balance %d", t->dpo_index);
return s;
}
{
u32 n_left_from, next_index, *from, *to_next;
lisp_gpe_main_t *lgm = &lisp_gpe_main;
+ u32 thread_index = vm->thread_index;
+ vlib_combined_counter_main_t *cm = &load_balance_main.lbm_to_counters;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
e0->src_address, e0->dst_address);
vnet_buffer (b0)->ip.adj_index[VLIB_TX] = lbi0;
-
+ vlib_increment_combined_counter (cm, thread_index, lbi0, 1,
+ vlib_buffer_length_in_chain (vm,
+ b0));
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
l2_lisp_gpe_tx_trace_t *tr = vlib_add_trace (vm, node, b0,
sizeof (*tr));
- tr->lb_index = lbi0;
+ tr->dpo_index = lbi0;
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, l2_arc_to_lb);
};
/* *INDENT-ON* */
+typedef struct
+{
+ u32 dpo_index;
+} nsh_lisp_gpe_tx_trace_t;
+
+u8 *
+format_nsh_lisp_gpe_tx_trace (u8 * s, va_list * args)
+{
+ CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
+ CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ nsh_lisp_gpe_tx_trace_t *t = va_arg (*args, nsh_lisp_gpe_tx_trace_t *);
+
+ s = format (s, "NSH-GPE-TX: tunnel %d", t->dpo_index);
+ return s;
+}
+
+/**
+ * @brief LISP-GPE interface TX for NSH overlays.
+ * @node nsh_lisp_gpe_interface_tx
+ *
+ * The NSH LISP-GPE interface TX function.
+ *
+ * @param[in] vm vlib_main_t corresponding to the current thread.
+ * @param[in] node vlib_node_runtime_t data for this node.
+ * @param[in] frame vlib_frame_t whose contents should be dispatched.
+ *
+ * @return number of vectors in frame.
+ */
+static uword
+nsh_lisp_gpe_interface_tx (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
+{
+ u32 n_left_from, next_index, *from, *to_next;
+ lisp_gpe_main_t *lgm = &lisp_gpe_main;
+
+ from = vlib_frame_vector_args (from_frame);
+ n_left_from = from_frame->n_vectors;
+
+ next_index = node->cached_next_index;
+
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next;
+
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ vlib_buffer_t *b0;
+ u32 bi0;
+ u32 *nsh0, next0;
+ const dpo_id_t *dpo0;
+
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ nsh0 = vlib_buffer_get_current (b0);
+
+ vnet_buffer (b0)->lisp.overlay_afi = LISP_AFI_LCAF;
+
+ /* lookup SPI + SI (second word of the NSH header).
+ * NB: Load balancing was done by the control plane */
+ dpo0 = lisp_nsh_fib_lookup (lgm, nsh0[1]);
+
+ next0 = dpo0->dpoi_next_node;
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ nsh_lisp_gpe_tx_trace_t *tr = vlib_add_trace (vm, node, b0,
+ sizeof (*tr));
+ tr->dpo_index = dpo0->dpoi_index;
+ }
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
+ }
+
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ }
+
+ return from_frame->n_vectors;
+}
+
+static u8 *
+format_nsh_lisp_gpe_name (u8 * s, va_list * args)
+{
+ u32 dev_instance = va_arg (*args, u32);
+ return format (s, "nsh_lisp_gpe%d", dev_instance);
+}
+
+/* *INDENT-OFF* */
+VNET_DEVICE_CLASS (nsh_lisp_gpe_device_class,static) = {
+ .name = "NSH_LISP_GPE",
+ .format_device_name = format_nsh_lisp_gpe_name,
+ .format_tx_trace = format_nsh_lisp_gpe_tx_trace,
+ .tx_function = nsh_lisp_gpe_interface_tx,
+};
+/* *INDENT-ON* */
+
static vnet_hw_interface_t *
lisp_gpe_create_iface (lisp_gpe_main_t * lgm, u32 vni, u32 dp_table,
vnet_device_class_t * dev_class,
{
fib_node_index_t fib_index;
- fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, table_id);
+ fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, table_id,
+ FIB_SOURCE_LISP);
vec_validate (ip4_main.fib_index_by_sw_if_index, sw_if_index);
ip4_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
ip4_sw_interface_enable_disable (sw_if_index, 1);
- fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6, table_id);
+ fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP6, table_id,
+ FIB_SOURCE_LISP);
vec_validate (ip6_main.fib_index_by_sw_if_index, sw_if_index);
ip6_main.fib_index_by_sw_if_index[sw_if_index] = fib_index;
ip6_sw_interface_enable_disable (sw_if_index, 1);
fib_index = fib_table_find (prefix.fp_proto, table_id);
fib_table_entry_special_remove (fib_index, &prefix, FIB_SOURCE_LISP);
- fib_table_unlock (fib_index, prefix.fp_proto);
+ fib_table_unlock (fib_index, prefix.fp_proto, FIB_SOURCE_LISP);
}
}
/*
* Add a deafult route that results in a control plane punt DPO
*/
- fib_index = fib_table_find_or_create_and_lock (prefix.fp_proto, table_id);
+ fib_index = fib_table_find_or_create_and_lock (prefix.fp_proto, table_id,
+ FIB_SOURCE_LISP);
fib_table_entry_special_dpo_add (fib_index, &prefix, FIB_SOURCE_LISP,
FIB_ENTRY_FLAG_EXCLUSIVE,
lisp_cp_dpo_get (fib_proto_to_dpo
* @return number of vectors in frame.
*/
u32
-lisp_gpe_add_l3_iface (lisp_gpe_main_t * lgm, u32 vni, u32 table_id)
+lisp_gpe_add_l3_iface (lisp_gpe_main_t * lgm, u32 vni, u32 table_id,
+ u8 with_default_routes)
{
vnet_main_t *vnm = lgm->vnet_main;
tunnel_lookup_t *l3_ifaces = &lgm->l3_ifaces;
/* insert default routes that point to lisp-cp lookup */
lisp_gpe_iface_set_table (hi->sw_if_index, table_id);
- lisp_gpe_tenant_add_default_routes (table_id);
+ if (with_default_routes)
+ lisp_gpe_tenant_add_default_routes (table_id);
/* enable interface */
vnet_sw_interface_set_flags (vnm, hi->sw_if_index,
uword *hip, *si;
u16 bd_index;
+ if (bd_id > L2_BD_ID_MAX)
+ {
+ clib_warning ("bridge domain ID %d exceed 16M limit", bd_id);
+ return ~0;
+ }
+
bd_index = bd_find_or_add_bd_index (&bd_main, bd_id);
hip = hash_get (l2_ifaces->hw_if_index_by_dp_table, bd_index);
/* we're ready. add iface to l2 bridge domain */
set_int_l2_mode (lgm->vlib_main, vnm, MODE_L2_BRIDGE, hi->sw_if_index,
- bd_index, 0, 0, 0);
+ bd_index, L2_BD_PORT_TYPE_NORMAL, 0, 0);
return (hi->sw_if_index);
}
lisp_gpe_del_l2_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id)
{
tunnel_lookup_t *l2_ifaces = &lgm->l2_ifaces;
- u16 bd_index;
- uword *hip;
+ vnet_hw_interface_t *hi;
- bd_index = bd_find_or_add_bd_index (&bd_main, bd_id);
- hip = hash_get (l2_ifaces->hw_if_index_by_dp_table, bd_index);
+ u32 bd_index = bd_find_index (&bd_main, bd_id);
+ ASSERT (bd_index != ~0);
+ uword *hip = hash_get (l2_ifaces->hw_if_index_by_dp_table, bd_index);
if (hip == 0)
{
bd_id);
return;
}
+
+ /* Remove interface from bridge .. by enabling L3 mode */
+ hi = vnet_get_hw_interface (lgm->vnet_main, hip[0]);
+ set_int_l2_mode (lgm->vlib_main, lgm->vnet_main, MODE_L3, hi->sw_if_index,
+ 0, L2_BD_PORT_TYPE_NORMAL, 0, 0);
lisp_gpe_remove_iface (lgm, hip[0], bd_index, &lgm->l2_ifaces);
}
+/**
+ * @brief Add LISP-GPE NSH interface.
+ *
+ * Creates LISP-GPE interface, sets it in L3 mode.
+ *
+ * @param[in] lgm Reference to @ref lisp_gpe_main_t.
+ * @param[in] a Parameters to create interface.
+ *
+ * @return sw_if_index.
+ */
+u32
+vnet_lisp_gpe_add_nsh_iface (lisp_gpe_main_t * lgm)
+{
+ vnet_main_t *vnm = lgm->vnet_main;
+ tunnel_lookup_t *nsh_ifaces = &lgm->nsh_ifaces;
+ vnet_hw_interface_t *hi;
+ uword *hip, *si;
+
+ hip = hash_get (nsh_ifaces->hw_if_index_by_dp_table, 0);
+
+ if (hip)
+ {
+ clib_warning ("NSH interface 0 already exists");
+ return ~0;
+ }
+
+ si = hash_get (nsh_ifaces->sw_if_index_by_vni, 0);
+ if (si)
+ {
+ clib_warning ("NSH interface already exists");
+ return ~0;
+ }
+
+ /* create lisp iface and populate tunnel tables */
+ hi = lisp_gpe_create_iface (lgm, 0, 0,
+ &nsh_lisp_gpe_device_class, &lgm->nsh_ifaces);
+
+ /* enable interface */
+ vnet_sw_interface_set_flags (vnm, hi->sw_if_index,
+ VNET_SW_INTERFACE_FLAG_ADMIN_UP);
+ vnet_hw_interface_set_flags (vnm, hi->hw_if_index,
+ VNET_HW_INTERFACE_FLAG_LINK_UP);
+
+ return (hi->sw_if_index);
+}
+
+/**
+ * @brief Del LISP-GPE NSH interface.
+ *
+ */
+void
+vnet_lisp_gpe_del_nsh_iface (lisp_gpe_main_t * lgm)
+{
+ tunnel_lookup_t *nsh_ifaces = &lgm->nsh_ifaces;
+ uword *hip;
+
+ hip = hash_get (nsh_ifaces->hw_if_index_by_dp_table, 0);
+
+ if (hip == 0)
+ {
+ clib_warning ("The NSH 0 interface doesn't exist");
+ return;
+ }
+ lisp_gpe_remove_iface (lgm, hip[0], 0, &lgm->nsh_ifaces);
+}
+
static clib_error_t *
lisp_gpe_add_del_iface_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
u8 is_add = 1;
u32 table_id, vni, bd_id;
u8 vni_is_set = 0, vrf_is_set = 0, bd_index_is_set = 0;
+ u8 nsh_iface = 0;
+ clib_error_t *error = NULL;
if (vnet_lisp_gpe_enable_disable_status () == 0)
{
{
bd_index_is_set = 1;
}
+ else if (unformat (line_input, "nsh"))
+ {
+ nsh_iface = 1;
+ }
+ else
+ {
+ error = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ if (nsh_iface)
+ {
+ if (is_add)
+ {
+ if (~0 == vnet_lisp_gpe_add_nsh_iface (&lisp_gpe_main))
+ {
+ error = clib_error_return (0, "NSH interface not created");
+ goto done;
+ }
+ }
else
{
- return clib_error_return (0, "parse error: '%U'",
- format_unformat_error, line_input);
+ vnet_lisp_gpe_del_nsh_iface (&lisp_gpe_main);
}
+ goto done;
}
if (vrf_is_set && bd_index_is_set)
- return clib_error_return (0,
- "Cannot set both vrf and brdige domain index!");
+ {
+ error = clib_error_return
+ (0, "Cannot set both vrf and brdige domain index!");
+ goto done;
+ }
if (!vni_is_set)
- return clib_error_return (0, "vni must be set!");
+ {
+ error = clib_error_return (0, "vni must be set!");
+ goto done;
+ }
if (!vrf_is_set && !bd_index_is_set)
- return clib_error_return (0, "vrf or bridge domain index must be set!");
+ {
+ error =
+ clib_error_return (0, "vrf or bridge domain index must be set!");
+ goto done;
+ }
if (bd_index_is_set)
{
if (is_add)
{
if (~0 == lisp_gpe_tenant_l2_iface_add_or_lock (vni, bd_id))
- return clib_error_return (0, "L2 interface not created");
+ {
+ error = clib_error_return (0, "L2 interface not created");
+ goto done;
+ }
}
else
lisp_gpe_tenant_l2_iface_unlock (vni);
{
if (is_add)
{
- if (~0 == lisp_gpe_tenant_l3_iface_add_or_lock (vni, table_id))
- return clib_error_return (0, "L3 interface not created");
+ if (~0 == lisp_gpe_tenant_l3_iface_add_or_lock (vni, table_id, 1
+ /* with_default_route */
+ ))
+ {
+ error = clib_error_return (0, "L3 interface not created");
+ goto done;
+ }
}
else
lisp_gpe_tenant_l3_iface_unlock (vni);
}
- return (NULL);
+done:
+ unformat_free (line_input);
+
+ return error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (add_del_lisp_gpe_iface_command, static) = {
- .path = "lisp gpe iface",
- .short_help = "lisp gpe iface add/del vni <vni> vrf <vrf>",
+ .path = "gpe iface",
+ .short_help = "gpe iface add/del vni <vni> vrf <vrf>",
.function = lisp_gpe_add_del_iface_command_fn,
};
/* *INDENT-ON* */