static clib_error_t *
nsim_init (vlib_main_t * vm)
{
nsim_main_t *nsm = &nsim_main;
clib_error_t *error = 0;
u8 *name;
nsm->vlib_main = vm;
nsm->vnet_main = vnet_get_main ();
name = format (0, "nsim_%08x%c", api_version, 0);
/* Ask for a correctly-sized block of API message decode slots */
nsm->msg_id_base = vl_msg_api_get_msg_ids
((char *) name, VL_MSG_FIRST_AVAILABLE);
error = nsim_plugin_api_hookup (vm);
/* Add our API messages to the global name_crc hash table */
setup_message_id_table (nsm, &api_main);
vec_free (name);
return error;
}
/**
* adj_mcast_update_rewrite
*
* Update the adjacency's rewrite string. A NULL string implies the
* rewrite is reset (i.e. when ARP/ND entry is gone).
* NB: the adj being updated may be handling traffic in the DP.
*/
void
adj_mcast_update_rewrite (adj_index_t adj_index,
u8 *rewrite,
u8 offset)
{
ip_adjacency_t *adj;
ASSERT(ADJ_INDEX_INVALID != adj_index);
adj = adj_get(adj_index);
/*
* update the adj's rewrite string and build the arc
* from the rewrite node to the interface's TX node
*/
adj_nbr_update_rewrite_internal(adj, IP_LOOKUP_NEXT_MCAST,
adj_get_mcast_node(adj->ia_nh_proto),
vnet_tx_node_index_for_sw_interface(
vnet_get_main(),
adj->rewrite_header.sw_if_index),
rewrite);
/*
* set the offset corresponding to the mcast IP address rewrite
*/
adj->rewrite_header.dst_mcast_offset = offset;
}
static clib_error_t *
ioam_export_init (vlib_main_t * vm)
{
ioam_export_main_t *em = &ioam_export_main;
clib_error_t *error = 0;
u8 *name;
u32 node_index = export_node.index;
vlib_node_t *ip6_hbyh_node = NULL;
em->vlib_main = vm;
em->vnet_main = vnet_get_main ();
em->set_id = IPFIX_IOAM_EXPORT_ID;
ioam_export_reset_next_node (em);
name = format (0, "ioam_export_%08x%c", api_version, 0);
/* Ask for a correctly-sized block of API message decode slots */
em->msg_id_base = vl_msg_api_get_msg_ids
((char *) name, VL_MSG_FIRST_AVAILABLE);
em->unix_time_0 = (u32) time (0); /* Store starting time */
em->vlib_time_0 = vlib_time_now (vm);
error = ioam_export_plugin_api_hookup (vm);
/* Add our API messages to the global name_crc hash table */
setup_message_id_table (em, &api_main);
/* Hook this export node to ip6-hop-by-hop */
ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
em->my_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, node_index);
vec_free (name);
return error;
}
clib_error_t *replication_init (vlib_main_t *vm)
{
replication_main_t * rm = &replication_main;
vlib_buffer_main_t * bm = vm->buffer_main;
vlib_buffer_free_list_t * fl;
__attribute__((unused)) replication_context_t * ctx;
vlib_thread_main_t * tm = vlib_get_thread_main();
rm->vlib_main = vm;
rm->vnet_main = vnet_get_main();
rm->recycle_list_index =
vlib_buffer_create_free_list (vm, 1024 /* fictional */,
"replication-recycle");
fl = pool_elt_at_index (bm->buffer_free_list_pool,
rm->recycle_list_index);
fl->buffers_added_to_freelist_function = replication_recycle_callback;
// Verify the replication context is the expected size
ASSERT(sizeof(replication_context_t) == 128); // 2 cache lines
vec_validate (rm->contexts, tm->n_vlib_mains - 1);
return 0;
}
static clib_error_t *
mtu_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
vnet_main_t * vnm = vnet_get_main();
u32 hw_if_index, mtu;
u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
if (unformat (input, "%d %U", &mtu,
unformat_ethernet_interface, vnm, &hw_if_index))
{
vnet_hw_interface_t * hi = vnet_get_hw_interface (vnm, hw_if_index);
if (mtu < ETHERNET_MIN_PACKET_BYTES)
return clib_error_return (0, "Invalid mtu (%d): "
"must be >= min pkt bytes (%d)", mtu,
hi->min_packet_bytes);
if (mtu > ETHERNET_MAX_PACKET_BYTES)
return clib_error_return (0, "Invalid mtu (%d): must be <= 9216", mtu);
if (hi->max_packet_bytes != mtu)
{
hi->max_packet_bytes = mtu;
ethernet_set_flags (vnm, hw_if_index, flags);
}
}
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
return 0;
}
static clib_error_t *
promiscuous_cmd (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
vnet_main_t * vnm = vnet_get_main();
u32 hw_if_index;
u32 flags = ETHERNET_INTERFACE_FLAG_ACCEPT_ALL;
if (unformat (input, "on %U",
unformat_ethernet_interface, vnm, &hw_if_index))
{
ethernet_set_flags (vnm, hw_if_index, flags);
}
else if (unformat (input, "off %U",
unformat_ethernet_interface, vnm, &hw_if_index))
{
flags = 0;
ethernet_set_flags (vnm, hw_if_index, flags);
}
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
return 0;
}
static u8 *
format_vxlan_tunnel_ref (u8 * s, va_list * args)
{
index_t vxri = va_arg (*args, u32);
vxlan_tunnel_ref_t *vxr;
vxr = vxlan_tunnel_ref_get (vxri);
s = format (s, "[%U locks:%d]", format_vnet_sw_if_index_name,
vnet_get_main (), vxr->vxr_sw_if_index, vxr->vxr_locks);
return (s);
}
static clib_error_t *
netmap_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, * line_input = &_line_input;
u8 * host_if_name = NULL;
u8 hwaddr [6];
u8 * hw_addr_ptr = 0;
int r;
u8 is_pipe = 0;
u8 is_master = 0;
u32 sw_if_index = ~0;
/* Get a line of input. */
if (! unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "name %s", &host_if_name))
;
else if (unformat (line_input, "hw-addr %U", unformat_ethernet_address, hwaddr))
hw_addr_ptr = hwaddr;
else if (unformat (line_input, "pipe"))
is_pipe = 1;
else if (unformat (line_input, "master"))
is_master = 1;
else if (unformat (line_input, "slave"))
is_master = 0;
else
return clib_error_return (0, "unknown input `%U'", format_unformat_error, input);
}
unformat_free (line_input);
if (host_if_name == NULL)
return clib_error_return (0, "missing host interface name");
r = netmap_create_if(vm, host_if_name, hw_addr_ptr, is_pipe, is_master, &sw_if_index);
if (r == VNET_API_ERROR_SYSCALL_ERROR_1)
return clib_error_return(0, "%s (errno %d)", strerror (errno), errno);
if (r == VNET_API_ERROR_INVALID_INTERFACE)
return clib_error_return(0, "Invalid interface name");
if (r == VNET_API_ERROR_SUBIF_ALREADY_EXISTS)
return clib_error_return(0, "Interface already exists");
vlib_cli_output(vm, "%U\n", format_vnet_sw_if_index_name, vnet_get_main(), sw_if_index);
return 0;
}
/*
* cnat_ports_init
*/
clib_error_t *cnat_ports_init(vlib_main_t *vm)
{
cnat_ports_main_t *mp = &cnat_ports_main;
mp->vlib_main = vm;
mp->vnet_main = vnet_get_main();
/* suppress crypto-random port numbering */
#ifdef SOON
if (spp_get_int_prop("no_crypto_random_ports") == 0)
crypto_random32(&seed);
#endif
return 0;
}
clib_error_t *
vnet_main_init (vlib_main_t * vm)
{
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *error;
u32 hw_if_index;
vnet_hw_interface_t *hw;
if ((error = vlib_call_init_function (vm, vnet_interface_init)))
return error;
if ((error = vlib_call_init_function (vm, fib_module_init)))
return error;
if ((error = vlib_call_init_function (vm, mfib_module_init)))
return error;
if ((error = vlib_call_init_function (vm, ip_main_init)))
return error;
if ((error = vlib_call_init_function (vm, ip4_lookup_init)))
return error;
if ((error = vlib_call_init_function (vm, ip6_lookup_init)))
return error;
if ((error = vlib_call_init_function (vm, mpls_init)))
return error;
vnm->vlib_main = vm;
hw_if_index = vnet_register_interface
(vnm, vnet_local_interface_device_class.index, /* instance */ 0,
vnet_local_interface_hw_class.index, /* instance */ 0);
hw = vnet_get_hw_interface (vnm, hw_if_index);
vnm->local_interface_hw_if_index = hw_if_index;
vnm->local_interface_sw_if_index = hw->sw_if_index;
/* the local interface is used as an input interface when decapping from
* an IPSEC tunnel. so it needs to be IP enabled */
ip4_sw_interface_enable_disable (hw->sw_if_index, 1);
ip6_sw_interface_enable_disable (hw->sw_if_index, 1);
return 0;
}
static clib_error_t *
qos_mark_cli (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
qos_egress_map_id_t map_id;
u32 sw_if_index, qs;
vnet_main_t *vnm;
int rv, enable;
vnm = vnet_get_main ();
map_id = ~0;
qs = 0xff;
enable = 1;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "id %d", &map_id))
;
else if (unformat (input, "disable"))
enable = 0;
else if (unformat (input, "%U", unformat_qos_source, &qs))
;
else if (unformat (input, "%U",
unformat_vnet_sw_interface, vnm, &sw_if_index))
;
else
break;
}
if (~0 == sw_if_index)
return clib_error_return (0, "interface must be specified");
if (0xff == qs)
return clib_error_return (0, "output location must be specified");
if (enable)
rv = qos_mark_enable (sw_if_index, qs, map_id);
else
rv = qos_mark_disable (sw_if_index, qs);
if (0 == rv)
return (NULL);
return clib_error_return (0, "Failed to map interface");
}
/*
* adj_mcast_add_or_lock
*
* The next_hop address here is used for source address selection in the DP.
* The mcast adj is added to an interface's connected prefix, the next-hop
* passed here is the local prefix on the same interface.
*/
adj_index_t
adj_mcast_add_or_lock (fib_protocol_t proto,
vnet_link_t link_type,
u32 sw_if_index)
{
ip_adjacency_t * adj;
vec_validate_init_empty(adj_mcasts[proto], sw_if_index, ADJ_INDEX_INVALID);
if (ADJ_INDEX_INVALID == adj_mcasts[proto][sw_if_index])
{
vnet_main_t *vnm;
vnm = vnet_get_main();
adj = adj_alloc(proto);
adj->lookup_next_index = IP_LOOKUP_NEXT_MCAST;
adj->ia_nh_proto = proto;
adj->ia_link = link_type;
adj_mcasts[proto][sw_if_index] = adj_get_index(adj);
adj_lock(adj_get_index(adj));
vnet_rewrite_init(vnm, sw_if_index, link_type,
adj_get_mcast_node(proto),
vnet_tx_node_index_for_sw_interface(vnm, sw_if_index),
&adj->rewrite_header);
/*
* we need a rewrite where the destination IP address is converted
* to the appropriate link-layer address. This is interface specific.
* So ask the interface to do it.
*/
vnet_update_adjacency_for_sw_interface(vnm, sw_if_index,
adj_get_index(adj));
}
else
{
adj = adj_get(adj_mcasts[proto][sw_if_index]);
adj_lock(adj_get_index(adj));
}
return (adj_get_index(adj));
}
static clib_error_t *
virtio_pci_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
vnet_hw_interface_t *hw;
virtio_main_t *vim = &virtio_main;
virtio_if_t *vif;
vnet_main_t *vnm = vnet_get_main ();
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "sw_if_index %d", &sw_if_index))
;
else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
vnm, &sw_if_index))
;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
if (sw_if_index == ~0)
return clib_error_return (0,
"please specify interface name or sw_if_index");
hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
return clib_error_return (0, "not a virtio interface");
vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
if (virtio_pci_delete_if (vm, vif) < 0)
return clib_error_return (0, "not a virtio pci interface");
return 0;
}
static void
vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp)
{
int rv = 0;
vl_api_create_vhost_user_if_reply_t *rmp;
u32 sw_if_index = (u32) ~ 0;
vnet_main_t *vnm = vnet_get_main ();
vlib_main_t *vm = vlib_get_main ();
u64 features = (u64) ~ (0ULL);
u64 disabled_features = (u64) (0ULL);
if (mp->disable_mrg_rxbuf)
disabled_features = (1ULL << FEAT_VIRTIO_NET_F_MRG_RXBUF);
if (mp->disable_indirect_desc)
disabled_features |= (1ULL << FEAT_VIRTIO_F_INDIRECT_DESC);
features &= ~disabled_features;
rv = vhost_user_create_if (vnm, vm, (char *) mp->sock_filename,
mp->is_server, &sw_if_index, features,
mp->renumber, ntohl (mp->custom_dev_instance),
(mp->use_custom_mac) ? mp->mac_address : NULL);
/* Remember an interface tag for the new interface */
if (rv == 0)
{
/* If a tag was supplied... */
if (mp->tag[0])
{
/* Make sure it's a proper C-string */
mp->tag[ARRAY_LEN (mp->tag) - 1] = 0;
u8 *tag = format (0, "%s%c", mp->tag, 0);
vnet_set_sw_interface_tag (vnm, tag, sw_if_index);
}
}
/* *INDENT-OFF* */
REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_REPLY,
({
rmp->sw_if_index = ntohl (sw_if_index);
}));
/**
* adj_mcast_midchain_update_rewrite
*
* Update the adjacency's rewrite string. A NULL string implies the
* rewrite is reset (i.e. when ARP/ND entry is gone).
* NB: the adj being updated may be handling traffic in the DP.
*/
void
adj_mcast_midchain_update_rewrite (adj_index_t adj_index,
adj_midchain_fixup_t fixup,
const void *fixup_data,
adj_flags_t flags,
u8 *rewrite,
u8 offset,
u32 mask)
{
ip_adjacency_t *adj;
ASSERT(ADJ_INDEX_INVALID != adj_index);
adj = adj_get(adj_index);
/*
* one time only update. since we don't support changing the tunnel
* src,dst, this is all we need.
*/
ASSERT(adj->lookup_next_index == IP_LOOKUP_NEXT_MCAST);
/*
* tunnels can always provide a rewrite.
*/
ASSERT(NULL != rewrite);
adj_midchain_setup(adj_index, fixup, fixup_data, flags);
/*
* update the adj's rewrite string and build the arc
* from the rewrite node to the interface's TX node
*/
adj_nbr_update_rewrite_internal(adj, IP_LOOKUP_NEXT_MCAST_MIDCHAIN,
adj_get_mcast_node(adj->ia_nh_proto),
vnet_tx_node_index_for_sw_interface(
vnet_get_main(),
adj->rewrite_header.sw_if_index),
rewrite);
adj->rewrite_header.dst_mcast_offset = offset;
}
static clib_error_t *
mpls_interface_enable_disable (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
vnet_main_t * vnm = vnet_get_main();
clib_error_t * error = 0;
u32 sw_if_index, enable;
int rv;
sw_if_index = ~0;
if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
{
error = clib_error_return (0, "unknown interface `%U'",
format_unformat_error, input);
goto done;
}
if (unformat (input, "enable"))
enable = 1;
else if (unformat (input, "disable"))
enable = 0;
else
{
error = clib_error_return (0, "expected 'enable' or 'disable'",
format_unformat_error, input);
goto done;
}
rv = mpls_sw_interface_enable_disable(&mpls_main, sw_if_index, enable, 0);
if (VNET_API_ERROR_NO_SUCH_FIB == rv)
error = clib_error_return (0, "default MPLS table must be created first");
done:
return error;
}
clib_error_t *
vnet_main_init (vlib_main_t * vm)
{
vnet_main_t * vnm = vnet_get_main();
clib_error_t * error;
u32 hw_if_index;
vnet_hw_interface_t * hw;
if ((error = vlib_call_init_function (vm, vnet_interface_init)))
return error;
vnm->vlib_main = vm;
hw_if_index = vnet_register_interface
(vnm,
vnet_local_interface_device_class.index, /* instance */ 0,
vnet_local_interface_hw_class.index, /* instance */ 0);
hw = vnet_get_hw_interface (vnm, hw_if_index);
vnm->local_interface_hw_if_index = hw_if_index;
vnm->local_interface_sw_if_index = hw->sw_if_index;
return 0;
}
always_inline uword
adj_midchain_tx_inline (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame,
int interface_count)
{
u32 * from, * to_next, n_left_from, n_left_to_next;
u32 next_index;
vnet_main_t *vnm = vnet_get_main ();
vnet_interface_main_t *im = &vnm->interface_main;
u32 thread_index = vm->thread_index;
/* Vector of buffer / pkt indices we're supposed to process */
from = vlib_frame_vector_args (frame);
/* Number of buffers / pkts */
n_left_from = frame->n_vectors;
/* Speculatively send the first buffer to the last disposition we used */
next_index = node->cached_next_index;
while (n_left_from > 0)
{
/* set up to enqueue to our disposition with index = next_index */
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 8 && n_left_to_next > 4)
{
u32 bi0, adj_index0, next0;
const ip_adjacency_t * adj0;
const dpo_id_t *dpo0;
vlib_buffer_t * b0;
u32 bi1, adj_index1, next1;
const ip_adjacency_t * adj1;
const dpo_id_t *dpo1;
vlib_buffer_t * b1;
u32 bi2, adj_index2, next2;
const ip_adjacency_t * adj2;
const dpo_id_t *dpo2;
vlib_buffer_t * b2;
u32 bi3, adj_index3, next3;
const ip_adjacency_t * adj3;
const dpo_id_t *dpo3;
vlib_buffer_t * b3;
/* Prefetch next iteration. */
{
vlib_buffer_t * p4, * p5;
vlib_buffer_t * p6, * p7;
p4 = vlib_get_buffer (vm, from[4]);
p5 = vlib_get_buffer (vm, from[5]);
p6 = vlib_get_buffer (vm, from[6]);
p7 = vlib_get_buffer (vm, from[7]);
vlib_prefetch_buffer_header (p4, LOAD);
vlib_prefetch_buffer_header (p5, LOAD);
vlib_prefetch_buffer_header (p6, LOAD);
vlib_prefetch_buffer_header (p7, LOAD);
}
bi0 = from[0];
to_next[0] = bi0;
bi1 = from[1];
to_next[1] = bi1;
bi2 = from[2];
to_next[2] = bi2;
bi3 = from[3];
to_next[3] = bi3;
from += 4;
to_next += 4;
n_left_from -= 4;
n_left_to_next -= 4;
b0 = vlib_get_buffer(vm, bi0);
b1 = vlib_get_buffer(vm, bi1);
b2 = vlib_get_buffer(vm, bi2);
b3 = vlib_get_buffer(vm, bi3);
/* Follow the DPO on which the midchain is stacked */
adj_index0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
adj_index1 = vnet_buffer(b1)->ip.adj_index[VLIB_TX];
adj_index2 = vnet_buffer(b2)->ip.adj_index[VLIB_TX];
adj_index3 = vnet_buffer(b3)->ip.adj_index[VLIB_TX];
adj0 = adj_get(adj_index0);
adj1 = adj_get(adj_index1);
adj2 = adj_get(adj_index2);
adj3 = adj_get(adj_index3);
dpo0 = &adj0->sub_type.midchain.next_dpo;
dpo1 = &adj1->sub_type.midchain.next_dpo;
dpo2 = &adj2->sub_type.midchain.next_dpo;
dpo3 = &adj3->sub_type.midchain.next_dpo;
next0 = dpo0->dpoi_next_node;
next1 = dpo1->dpoi_next_node;
next2 = dpo2->dpoi_next_node;
next3 = dpo3->dpoi_next_node;
vnet_buffer(b1)->ip.adj_index[VLIB_TX] = dpo1->dpoi_index;
vnet_buffer(b0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
vnet_buffer(b2)->ip.adj_index[VLIB_TX] = dpo2->dpoi_index;
vnet_buffer(b3)->ip.adj_index[VLIB_TX] = dpo3->dpoi_index;
if (interface_count)
{
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_TX,
thread_index,
adj0->rewrite_header.sw_if_index,
1,
vlib_buffer_length_in_chain (vm, b0));
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_TX,
thread_index,
adj1->rewrite_header.sw_if_index,
1,
vlib_buffer_length_in_chain (vm, b1));
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_TX,
thread_index,
adj2->rewrite_header.sw_if_index,
1,
vlib_buffer_length_in_chain (vm, b2));
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_TX,
thread_index,
adj3->rewrite_header.sw_if_index,
1,
vlib_buffer_length_in_chain (vm, b3));
}
if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
{
adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
b0, sizeof (*tr));
tr->ai = adj_index0;
}
if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
{
adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
b1, sizeof (*tr));
tr->ai = adj_index1;
}
if (PREDICT_FALSE(b2->flags & VLIB_BUFFER_IS_TRACED))
{
adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
b2, sizeof (*tr));
tr->ai = adj_index2;
}
if (PREDICT_FALSE(b3->flags & VLIB_BUFFER_IS_TRACED))
{
adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
b3, sizeof (*tr));
tr->ai = adj_index3;
}
vlib_validate_buffer_enqueue_x4 (vm, node, next_index,
to_next, n_left_to_next,
bi0, bi1, bi2, bi3,
next0, next1, next2, next3);
}
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 bi0, adj_index0, next0;
const ip_adjacency_t * adj0;
const dpo_id_t *dpo0;
vlib_buffer_t * b0;
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);
/* Follow the DPO on which the midchain is stacked */
adj_index0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
adj0 = adj_get(adj_index0);
dpo0 = &adj0->sub_type.midchain.next_dpo;
next0 = dpo0->dpoi_next_node;
vnet_buffer(b0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
if (interface_count)
{
vlib_increment_combined_counter (im->combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_TX,
thread_index,
adj0->rewrite_header.sw_if_index,
1,
vlib_buffer_length_in_chain (vm, b0));
}
if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
{
adj_midchain_tx_trace_t *tr = vlib_add_trace (vm, node,
b0, sizeof (*tr));
tr->ai = adj_index0;
}
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 frame->n_vectors;
}
clib_bihash_kv_16_8_t kv;
} stn_ip46_punt_trace_t;
static u8 *
format_stn_rule (u8 * s, va_list * args)
{
stn_rule_t *r = va_arg (*args, stn_rule_t *);
stn_main_t *stn = &stn_main;
u32 indent = format_get_indent (s);
u32 node_index = ip46_address_is_ip4(&r->address)?stn_ip4_punt.index:stn_ip6_punt.index;
vlib_node_t *next_node = vlib_get_next_node(vlib_get_main(), node_index, r->next_node_index);
s = format (s, "rule_index: %d\n", r - stn->rules);
s = format (s, "%Uaddress: %U\n", format_white_space, indent,
format_ip46_address, &r->address, IP46_TYPE_ANY);
s = format (s, "%Uiface: %U (%d)\n", format_white_space, indent,
format_vnet_sw_if_index_name, vnet_get_main(), r->sw_if_index,
r->sw_if_index);
s = format (s, "%Unext_node: %s (%d)", format_white_space, indent,
next_node->name, next_node->index);
return s;
}
static_always_inline u8 *
format_stn_ip46_punt_trace (u8 * s, va_list * args, u8 is_ipv4)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
stn_ip46_punt_trace_t *t = va_arg (*args, stn_ip46_punt_trace_t *);
u32 indent = format_get_indent (s);
s = format (s, "dst_address: %U\n", format_ip46_address,
return 0;
}
/**********************************/
/* SRv6 LocalSID format functions */
/*
* Prints nicely the parameters of a localsid
* Example: print "Table 5"
*/
u8 *
format_srv6_am_localsid (u8 * s, va_list * args)
{
srv6_am_localsid_t *ls_mem = va_arg (*args, void *);
vnet_main_t *vnm = vnet_get_main ();
return (format (s,
"Next-hop:\t%U\n"
"\tOutgoing iface: %U\n"
"\tIncoming iface: %U",
format_ip6_address, &ls_mem->nh_addr.ip6,
format_vnet_sw_if_index_name, vnm, ls_mem->sw_if_index_out,
format_vnet_sw_if_index_name, vnm, ls_mem->sw_if_index_in));
}
/*
* Process the parameters of a localsid
* Example: process from:
* sr localsid address cafe::1 behavior new_srv6_localsid 5
* everything from behavior on... so in this case 'new_srv6_localsid 5'
static vlib_buffer_t *
create_buffer_for_client_message (vlib_main_t * vm,
u32 sw_if_index,
dhcp6_pd_client_state_t
* client_state, u32 type)
{
dhcp6_client_common_main_t *ccm = &dhcp6_client_common_main;
vnet_main_t *vnm = vnet_get_main ();
vlib_buffer_t *b;
u32 bi;
ip6_header_t *ip;
udp_header_t *udp;
dhcpv6_header_t *dhcp;
ip6_address_t src_addr;
u32 dhcp_opt_len = 0;
client_state->transaction_start = vlib_time_now (vm);
u32 n_prefixes;
u32 i;
vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
vnet_sw_interface_t *sup_sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
/* Interface(s) down? */
if ((hw->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) == 0)
return NULL;
if ((sup_sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
return NULL;
if ((sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
return NULL;
/* Get a link-local address */
src_addr = ip6_neighbor_get_link_local_address (sw_if_index);
if (src_addr.as_u8[0] != 0xfe)
{
clib_warning ("Could not find source address to send DHCPv6 packet");
return NULL;
}
if (vlib_buffer_alloc (vm, &bi, 1) != 1)
{
clib_warning ("Buffer allocation failed");
return NULL;
}
b = vlib_get_buffer (vm, bi);
vnet_buffer (b)->sw_if_index[VLIB_RX] = sw_if_index;
vnet_buffer (b)->sw_if_index[VLIB_TX] = sw_if_index;
client_state->adj_index = adj_mcast_add_or_lock (FIB_PROTOCOL_IP6,
VNET_LINK_IP6,
sw_if_index);
vnet_buffer (b)->ip.adj_index[VLIB_TX] = client_state->adj_index;
b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
ip = (ip6_header_t *) vlib_buffer_get_current (b);
udp = (udp_header_t *) (ip + 1);
dhcp = (dhcpv6_header_t *) (udp + 1);
ip->src_address = src_addr;
ip->hop_limit = 255;
ip->ip_version_traffic_class_and_flow_label =
clib_host_to_net_u32 (0x6 << 28);
ip->payload_length = 0;
ip->protocol = IP_PROTOCOL_UDP;
udp->src_port = clib_host_to_net_u16 (DHCPV6_CLIENT_PORT);
udp->dst_port = clib_host_to_net_u16 (DHCPV6_SERVER_PORT);
udp->checksum = 0;
udp->length = 0;
dhcp->msg_type = type;
dhcp->xid[0] = (client_state->transaction_id & 0x00ff0000) >> 16;
dhcp->xid[1] = (client_state->transaction_id & 0x0000ff00) >> 8;
dhcp->xid[2] = (client_state->transaction_id & 0x000000ff) >> 0;
void *d = (void *) dhcp->data;
dhcpv6_option_t *duid;
dhcpv6_elapsed_t *elapsed;
dhcpv6_ia_header_t *ia_hdr;
dhcpv6_ia_opt_pd_t *opt_pd;
if (type == DHCPV6_MSG_SOLICIT || type == DHCPV6_MSG_REQUEST ||
type == DHCPV6_MSG_RENEW || type == DHCPV6_MSG_REBIND ||
type == DHCPV6_MSG_RELEASE)
{
duid = (dhcpv6_option_t *) d;
duid->option = clib_host_to_net_u16 (DHCPV6_OPTION_CLIENTID);
duid->length = clib_host_to_net_u16 (CLIENT_DUID_LENGTH);
clib_memcpy (duid + 1, client_duid.bin_string, CLIENT_DUID_LENGTH);
d += sizeof (*duid) + CLIENT_DUID_LENGTH;
if (client_state->params.server_index != ~0)
{
server_id_t *se =
&ccm->server_ids[client_state->params.server_index];
duid = (dhcpv6_option_t *) d;
duid->option = clib_host_to_net_u16 (DHCPV6_OPTION_SERVERID);
duid->length = clib_host_to_net_u16 (se->len);
clib_memcpy (duid + 1, se->data, se->len);
d += sizeof (*duid) + se->len;
}
elapsed = (dhcpv6_elapsed_t *) d;
elapsed->opt.option = clib_host_to_net_u16 (DHCPV6_OPTION_ELAPSED_TIME);
elapsed->opt.length =
clib_host_to_net_u16 (sizeof (*elapsed) - sizeof (elapsed->opt));
elapsed->elapsed_10ms = 0;
client_state->elapsed_pos =
(char *) &elapsed->elapsed_10ms -
(char *) vlib_buffer_get_current (b);
d += sizeof (*elapsed);
ia_hdr = (dhcpv6_ia_header_t *) d;
ia_hdr->opt.option = clib_host_to_net_u16 (DHCPV6_OPTION_IA_PD);
ia_hdr->iaid = clib_host_to_net_u32 (DHCPV6_CLIENT_IAID);
ia_hdr->t1 = clib_host_to_net_u32 (client_state->params.T1);
ia_hdr->t2 = clib_host_to_net_u32 (client_state->params.T2);
d += sizeof (*ia_hdr);
n_prefixes = vec_len (client_state->params.prefixes);
ia_hdr->opt.length =
clib_host_to_net_u16 (sizeof (*ia_hdr) +
n_prefixes * sizeof (*opt_pd) -
sizeof (ia_hdr->opt));
for (i = 0; i < n_prefixes; i++)
{
dhcp6_pd_send_client_message_params_prefix_t *pref =
&client_state->params.prefixes[i];
opt_pd = (dhcpv6_ia_opt_pd_t *) d;
opt_pd->opt.option = clib_host_to_net_u16 (DHCPV6_OPTION_IAPREFIX);
opt_pd->opt.length =
clib_host_to_net_u16 (sizeof (*opt_pd) - sizeof (opt_pd->opt));
opt_pd->addr = pref->prefix;
opt_pd->prefix = pref->prefix_length;
opt_pd->valid = clib_host_to_net_u32 (pref->valid_lt);
opt_pd->preferred = clib_host_to_net_u32 (pref->preferred_lt);
d += sizeof (*opt_pd);
}
}
else
{
clib_warning ("State not implemented");
}
dhcp_opt_len = ((u8 *) d) - dhcp->data;
udp->length =
clib_host_to_net_u16 (sizeof (*udp) + sizeof (*dhcp) + dhcp_opt_len);
ip->payload_length = udp->length;
b->current_length =
sizeof (*ip) + sizeof (*udp) + sizeof (*dhcp) + dhcp_opt_len;
ip->dst_address = all_dhcp6_relay_agents_and_servers;
return b;
}
static clib_error_t *
virtual_ip_cmd_fn_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, * line_input = &_line_input;
vnet_main_t * vnm = vnet_get_main();
ip4_main_t * im = &ip4_main;
ip_lookup_main_t * lm = &im->lookup_main;
ip4_address_t ip_addr, next_hop;
u8 mac_addr[6];
mac_addr_t *mac_addrs = 0;
u32 sw_if_index;
u32 i, f;
/* Get a line of input. */
if (! unformat_user (input, unformat_line_input, line_input))
return 0;
if (!unformat(line_input, "%U %U",
unformat_ip4_address, &ip_addr,
unformat_vnet_sw_interface, vnm, &sw_if_index))
goto barf;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
if (unformat (line_input, "mac %U",
unformat_ethernet_address,
&mac_addr))
{
mac_addr_t *ma;
vec_add2 (mac_addrs, ma, 1);
clib_memcpy(ma, mac_addr, sizeof (mac_addr));
} else {
barf:
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
}
if (vec_len (mac_addrs) == 0)
goto barf;
/* Create / delete special interface route /32's */
next_hop.as_u32 = 0;
for (i = 0; i < vec_len(mac_addrs); i++) {
ip_adjacency_t adj;
u32 adj_index;
adj.lookup_next_index = IP_LOOKUP_NEXT_REWRITE;
vnet_rewrite_for_sw_interface
(vnm,
VNET_L3_PACKET_TYPE_IP4,
sw_if_index,
ip4_rewrite_node.index,
&mac_addrs[i], /* destination address */
&adj.rewrite_header,
sizeof (adj.rewrite_data));
ip_add_adjacency (lm, &adj, 1 /* one adj */,
&adj_index);
f = (i + 1 < vec_len(mac_addrs)) ? IP4_ROUTE_FLAG_NOT_LAST_IN_GROUP : 0;
ip4_add_del_route_next_hop (im,
IP4_ROUTE_FLAG_ADD | f,
&ip_addr,
32 /* insert /32's */,
&next_hop,
sw_if_index,
1 /* weight */,
adj_index,
(u32)~0 /* explicit fib index */);
}
vec_free (mac_addrs);
return 0;
}
