int
nsim_cross_connect_enable_disable (nsim_main_t * nsm, u32 sw_if_index0,
u32 sw_if_index1, int enable_disable)
{
vnet_sw_interface_t *sw;
vnet_hw_interface_t *hw;
int rv = 0;
if (nsm->is_configured == 0)
return VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE;
/* Utterly wrong? */
if (pool_is_free_index (nsm->vnet_main->interface_main.sw_interfaces,
sw_if_index0))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
if (pool_is_free_index (nsm->vnet_main->interface_main.sw_interfaces,
sw_if_index1))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
/* Not a physical port? */
sw = vnet_get_sw_interface (nsm->vnet_main, sw_if_index0);
if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
sw = vnet_get_sw_interface (nsm->vnet_main, sw_if_index1);
if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
/* Add graph arcs for the input / wheel scraper node */
hw = vnet_get_hw_interface (nsm->vnet_main, sw_if_index0);
nsm->output_next_index0 =
vlib_node_add_next (nsm->vlib_main,
nsim_input_node.index, hw->output_node_index);
hw = vnet_get_hw_interface (nsm->vnet_main, sw_if_index1);
nsm->output_next_index1 =
vlib_node_add_next (nsm->vlib_main,
nsim_input_node.index, hw->output_node_index);
nsm->sw_if_index0 = sw_if_index0;
nsm->sw_if_index1 = sw_if_index1;
vnet_feature_enable_disable ("device-input", "nsim",
sw_if_index0, enable_disable, 0, 0);
vnet_feature_enable_disable ("device-input", "nsim",
sw_if_index1, enable_disable, 0, 0);
return rv;
}
int sample_macswap_enable_disable (sample_main_t * sm, u32 sw_if_index,
int enable_disable)
{
vnet_sw_interface_t * sw;
int rv;
u32 node_index = enable_disable ? sample_node.index : ~0;
/* Utterly wrong? */
if (pool_is_free_index (sm->vnet_main->interface_main.sw_interfaces,
sw_if_index))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
/* Not a physical port? */
sw = vnet_get_sw_interface (sm->vnet_main, sw_if_index);
if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
/*
* Redirect pkts from the driver to the macswap node.
* Returns VNET_API_ERROR_UNIMPLEMENTED if the h/w driver
* doesn't implement the API.
*
* Node_index = ~0 => shut off redirection
*/
rv = vnet_hw_interface_rx_redirect_to_node (sm->vnet_main, sw_if_index,
node_index);
return rv;
}
int
nsim_output_feature_enable_disable (nsim_main_t * nsm, u32 sw_if_index,
int enable_disable)
{
vnet_sw_interface_t *sw;
vnet_hw_interface_t *hw;
int rv = 0;
if (nsm->is_configured == 0)
return VNET_API_ERROR_CANNOT_ENABLE_DISABLE_FEATURE;
/* Utterly wrong? */
if (pool_is_free_index (nsm->vnet_main->interface_main.sw_interfaces,
sw_if_index))
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
/* Not a physical port? */
sw = vnet_get_sw_interface (nsm->vnet_main, sw_if_index);
if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
return VNET_API_ERROR_INVALID_SW_IF_INDEX;
/* Add a graph arc for the input / wheel scraper node */
hw = vnet_get_hw_interface (nsm->vnet_main, sw_if_index);
vec_validate_init_empty (nsm->output_next_index_by_sw_if_index, sw_if_index,
~0);
/* Note: use the tx node, this pkt has already visited the output node... */
nsm->output_next_index_by_sw_if_index[sw_if_index] =
vlib_node_add_next (nsm->vlib_main, nsim_input_node.index,
hw->tx_node_index);
vnet_feature_enable_disable ("interface-output", "nsim-output-feature",
sw_if_index, enable_disable, 0, 0);
return rv;
}
static ct_connection_t *
ct_connection_get (u32 ct_index)
{
if (pool_is_free_index (connections, ct_index))
return 0;
return pool_elt_at_index (connections, ct_index);
}
session_table_t *
session_table_get (u32 table_index)
{
if (pool_is_free_index (lookup_tables, table_index))
return 0;
return pool_elt_at_index (lookup_tables, table_index);
}
/* Free up all trace buffer memory. */
always_inline void
clear_trace_buffer (void)
{
int i;
vlib_trace_main_t *tm;
/* *INDENT-OFF* */
foreach_vlib_main (
({
tm = &this_vlib_main->trace_main;
tm->trace_enable = 0;
for (i = 0; i < vec_len (tm->trace_buffer_pool); i++)
if (! pool_is_free_index (tm->trace_buffer_pool, i))
vec_free (tm->trace_buffer_pool[i]);
pool_free (tm->trace_buffer_pool);
}));
/* Free up all trace buffer memory. */
always_inline void
clear_trace_buffer (void)
{
int i;
vlib_trace_main_t * tm;
foreach_vlib_main (
({
void *mainheap;
tm = &this_vlib_main->trace_main;
mainheap = clib_mem_set_heap (this_vlib_main->heap_base);
for (i = 0; i < vec_len (tm->trace_buffer_pool); i++)
if (! pool_is_free_index (tm->trace_buffer_pool, i))
vec_free (tm->trace_buffer_pool[i]);
pool_free (tm->trace_buffer_pool);
clib_mem_set_heap (mainheap);
}));
/* SRv6 LocalSID instantiation and removal functions */
static int
srv6_am_localsid_creation_fn (ip6_sr_localsid_t * localsid)
{
srv6_am_main_t *sm = &srv6_am_main;
srv6_am_localsid_t *ls_mem = localsid->plugin_mem;
adj_index_t nh_adj_index = ADJ_INDEX_INVALID;
/* Step 1: Prepare xconnect adjacency for sending packets to the VNF */
/* Retrieve the adjacency corresponding to the (OIF, next_hop) */
nh_adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP6,
VNET_LINK_IP6, &ls_mem->nh_addr,
ls_mem->sw_if_index_out);
if (nh_adj_index == ADJ_INDEX_INVALID)
return -5;
localsid->nh_adj = nh_adj_index;
/* Step 2: Prepare inbound policy for packets returning from the VNF */
/* Sanitise the SW_IF_INDEX */
if (pool_is_free_index (sm->vnet_main->interface_main.sw_interfaces,
ls_mem->sw_if_index_in))
return -3;
vnet_sw_interface_t *sw = vnet_get_sw_interface (sm->vnet_main,
ls_mem->sw_if_index_in);
if (sw->type != VNET_SW_INTERFACE_TYPE_HARDWARE)
return -3;
int ret = vnet_feature_enable_disable ("ip6-unicast", "srv6-am-rewrite",
ls_mem->sw_if_index_in, 1, 0, 0);
if (ret != 0)
return -1;
return 0;
}