diff options
Diffstat (limited to 'src/vnet/ip/ip_api.c')
| -rw-r--r-- | src/vnet/ip/ip_api.c | 926 |
1 files changed, 925 insertions, 1 deletions
diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c index 222bc822a75..5165927306f 100644 --- a/src/vnet/ip/ip_api.c +++ b/src/vnet/ip/ip_api.c @@ -20,6 +20,7 @@ #include <vnet/vnet.h> #include <vlibmemory/api.h> +#include <vpp/stats/stats.h> #include <vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/ethernet/ethernet.h> @@ -37,6 +38,10 @@ #include <vnet/mfib/ip4_mfib.h> #include <vnet/mfib/mfib_signal.h> #include <vnet/mfib/mfib_entry.h> +#include <vnet/ip/ip_source_and_port_range_check.h> +#include <vnet/fib/ip4_fib.h> +#include <vnet/fib/ip6_fib.h> +#include <vnet/ip/ip6_hop_by_hop.h> #include <vnet/vnet_msg_enum.h> @@ -68,6 +73,12 @@ _(MFIB_SIGNAL_DUMP, mfib_signal_dump) \ _(IP_ADDRESS_DUMP, ip_address_dump) \ _(IP_DUMP, ip_dump) \ _(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del) \ +_(SET_ARP_NEIGHBOR_LIMIT, set_arp_neighbor_limit) \ +_(WANT_IP4_ARP_EVENTS, want_ip4_arp_events) \ +_(WANT_IP6_ND_EVENTS, want_ip6_nd_events) \ +_(PROXY_ARP_ADD_DEL, proxy_arp_add_del) \ +_(PROXY_ARP_INTFC_ENABLE_DISABLE, proxy_arp_intfc_enable_disable) \ +_(RESET_FIB, reset_fib) \ _(IP_ADD_DEL_ROUTE, ip_add_del_route) \ _(IP_TABLE_ADD_DEL, ip_table_add_del) \ _(IP_PUNT_POLICE, ip_punt_police) \ @@ -80,7 +91,13 @@ _(IP6ND_PROXY_DUMP, ip6nd_proxy_dump) \ _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable ) \ _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS, \ sw_interface_ip6_set_link_local_address) \ -_(IP_CONTAINER_PROXY_ADD_DEL, ip_container_proxy_add_del ) +_(IP_CONTAINER_PROXY_ADD_DEL, ip_container_proxy_add_del) \ +_(IOAM_ENABLE, ioam_enable) \ +_(IOAM_DISABLE, ioam_disable) \ +_(IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL, \ + ip_source_and_port_range_check_add_del) \ +_(IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL, \ + ip_source_and_port_range_check_interface_add_del) extern void stats_dslock_with_hint (int hint, int tag); extern void stats_dsunlock (void); @@ -1896,6 +1913,913 @@ static void REPLY_MACRO (VL_API_IP_CONTAINER_PROXY_ADD_DEL_REPLY); } +static void +vl_api_ioam_enable_t_handler (vl_api_ioam_enable_t * mp) +{ + int rv = 0; + vl_api_ioam_enable_reply_t *rmp; + clib_error_t *error; + + /* Ignoring the profile id as currently a single profile + * is supported */ + error = ip6_ioam_enable (mp->trace_enable, mp->pot_enable, + mp->seqno, mp->analyse); + if (error) + { + clib_error_report (error); + rv = clib_error_get_code (error); + } + + REPLY_MACRO (VL_API_IOAM_ENABLE_REPLY); +} + +static void +vl_api_ioam_disable_t_handler (vl_api_ioam_disable_t * mp) +{ + int rv = 0; + vl_api_ioam_disable_reply_t *rmp; + clib_error_t *error; + + error = clear_ioam_rewrite_fn (); + if (error) + { + clib_error_report (error); + rv = clib_error_get_code (error); + } + + REPLY_MACRO (VL_API_IOAM_DISABLE_REPLY); +} + +static void + vl_api_ip_source_and_port_range_check_add_del_t_handler + (vl_api_ip_source_and_port_range_check_add_del_t * mp) +{ + vl_api_ip_source_and_port_range_check_add_del_reply_t *rmp; + int rv = 0; + + u8 is_ipv6 = mp->is_ipv6; + u8 is_add = mp->is_add; + u8 mask_length = mp->mask_length; + ip4_address_t ip4_addr; + ip6_address_t ip6_addr; + u16 *low_ports = 0; + u16 *high_ports = 0; + u32 vrf_id; + u16 tmp_low, tmp_high; + u8 num_ranges; + int i; + + // Validate port range + num_ranges = mp->number_of_ranges; + if (num_ranges > 32) + { // This is size of array in VPE.API + rv = VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY; + goto reply; + } + + vec_reset_length (low_ports); + vec_reset_length (high_ports); + + for (i = 0; i < num_ranges; i++) + { + tmp_low = mp->low_ports[i]; + tmp_high = mp->high_ports[i]; + // If tmp_low <= tmp_high then only need to check tmp_low = 0 + // If tmp_low <= tmp_high then only need to check tmp_high > 65535 + if (tmp_low > tmp_high || tmp_low == 0 || tmp_high > 65535) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto reply; + } + vec_add1 (low_ports, tmp_low); + vec_add1 (high_ports, tmp_high + 1); + } + + // Validate mask_length + if ((is_ipv6 && mask_length > 128) || (!is_ipv6 && mask_length > 32)) + { + rv = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH; + goto reply; + } + + vrf_id = ntohl (mp->vrf_id); + + if (vrf_id < 1) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto reply; + } + + + if (is_ipv6) + { + clib_memcpy (ip6_addr.as_u8, mp->address, sizeof (ip6_addr.as_u8)); + rv = ip6_source_and_port_range_check_add_del (&ip6_addr, + mask_length, + vrf_id, + low_ports, + high_ports, is_add); + } + else + { + clib_memcpy (ip4_addr.data, mp->address, sizeof (ip4_addr)); + rv = ip4_source_and_port_range_check_add_del (&ip4_addr, + mask_length, + vrf_id, + low_ports, + high_ports, is_add); + } + +reply: + vec_free (low_ports); + vec_free (high_ports); + REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_ADD_DEL_REPLY); +} + +static void + vl_api_ip_source_and_port_range_check_interface_add_del_t_handler + (vl_api_ip_source_and_port_range_check_interface_add_del_t * mp) +{ + vlib_main_t *vm = vlib_get_main (); + vl_api_ip_source_and_port_range_check_interface_add_del_reply_t *rmp; + ip4_main_t *im = &ip4_main; + int rv; + u32 sw_if_index; + u32 fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS]; + u32 vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS]; + uword *p = 0; + int i; + + vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT] = + ntohl (mp->tcp_out_vrf_id); + vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT] = + ntohl (mp->udp_out_vrf_id); + vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN] = + ntohl (mp->tcp_in_vrf_id); + vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN] = + ntohl (mp->udp_in_vrf_id); + + + for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++) + { + if (vrf_id[i] != 0 && vrf_id[i] != ~0) + { + p = hash_get (im->fib_index_by_table_id, vrf_id[i]); + + if (p == 0) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto reply; + } + + fib_index[i] = p[0]; + } + else + fib_index[i] = ~0; + } + sw_if_index = ntohl (mp->sw_if_index); + + VALIDATE_SW_IF_INDEX (mp); + + rv = + set_ip_source_and_port_range_check (vm, fib_index, sw_if_index, + mp->is_add); + + BAD_SW_IF_INDEX_LABEL; +reply: + + REPLY_MACRO (VL_API_IP_SOURCE_AND_PORT_RANGE_CHECK_INTERFACE_ADD_DEL_REPLY); +} + +#define IP4_ARP_EVENT 3 +#define IP6_ND_EVENT 4 + +static int arp_change_delete_callback (u32 pool_index, u8 * notused); +static int nd_change_delete_callback (u32 pool_index, u8 * notused); +static vlib_node_registration_t ip_resolver_process_node; + +static void +handle_ip4_arp_event (u32 pool_index) +{ + vpe_api_main_t *vam = &vpe_api_main; + vnet_main_t *vnm = vam->vnet_main; + vlib_main_t *vm = vam->vlib_main; + vl_api_ip4_arp_event_t *event; + vl_api_ip4_arp_event_t *mp; + unix_shared_memory_queue_t *q; + + /* Client can cancel, die, etc. */ + if (pool_is_free_index (vam->arp_events, pool_index)) + return; + + event = pool_elt_at_index (vam->arp_events, pool_index); + + q = vl_api_client_index_to_input_queue (event->client_index); + if (!q) + { + (void) vnet_add_del_ip4_arp_change_event + (vnm, arp_change_delete_callback, + event->pid, &event->address, + ip_resolver_process_node.index, IP4_ARP_EVENT, + ~0 /* pool index, notused */ , 0 /* is_add */ ); + return; + } + + if (q->cursize < q->maxsize) + { + mp = vl_msg_api_alloc (sizeof (*mp)); + clib_memcpy (mp, event, sizeof (*mp)); + vl_msg_api_send_shmem (q, (u8 *) & mp); + } + else + { + static f64 last_time; + /* + * Throttle syslog msgs. + * It's pretty tempting to just revoke the registration... + */ + if (vlib_time_now (vm) > last_time + 10.0) + { + clib_warning ("arp event for %U to pid %d: queue stuffed!", + format_ip4_address, &event->address, event->pid); + last_time = vlib_time_now (vm); + } + } +} + +void +handle_ip6_nd_event (u32 pool_index) +{ + vpe_api_main_t *vam = &vpe_api_main; + vnet_main_t *vnm = vam->vnet_main; + vlib_main_t *vm = vam->vlib_main; + vl_api_ip6_nd_event_t *event; + vl_api_ip6_nd_event_t *mp; + unix_shared_memory_queue_t *q; + + /* Client can cancel, die, etc. */ + if (pool_is_free_index (vam->nd_events, pool_index)) + return; + + event = pool_elt_at_index (vam->nd_events, pool_index); + + q = vl_api_client_index_to_input_queue (event->client_index); + if (!q) + { + (void) vnet_add_del_ip6_nd_change_event + (vnm, nd_change_delete_callback, + event->pid, &event->address, + ip_resolver_process_node.index, IP6_ND_EVENT, + ~0 /* pool index, notused */ , 0 /* is_add */ ); + return; + } + + if (q->cursize < q->maxsize) + { + mp = vl_msg_api_alloc (sizeof (*mp)); + clib_memcpy (mp, event, sizeof (*mp)); + vl_msg_api_send_shmem (q, (u8 *) & mp); + } + else + { + static f64 last_time; + /* + * Throttle syslog msgs. + * It's pretty tempting to just revoke the registration... + */ + if (vlib_time_now (vm) > last_time + 10.0) + { + clib_warning ("ip6 nd event for %U to pid %d: queue stuffed!", + format_ip6_address, &event->address, event->pid); + last_time = vlib_time_now (vm); + } + } +} + +static uword +resolver_process (vlib_main_t * vm, + vlib_node_runtime_t * rt, vlib_frame_t * f) +{ + volatile f64 timeout = 100.0; + volatile uword *event_data = 0; + + while (1) + { + vlib_process_wait_for_event_or_clock (vm, timeout); + + uword event_type = + vlib_process_get_events (vm, (uword **) & event_data); + + int i; + switch (event_type) + { + case IP4_ARP_EVENT: + for (i = 0; i < vec_len (event_data); i++) + handle_ip4_arp_event (event_data[i]); + break; + + case IP6_ND_EVENT: + for (i = 0; i < vec_len (event_data); i++) + handle_ip6_nd_event (event_data[i]); + break; + + case ~0: /* timeout */ + break; + } + + vec_reset_length (event_data); + } + return 0; /* or not */ +} + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (ip_resolver_process_node,static) = { + .function = resolver_process, + .type = VLIB_NODE_TYPE_PROCESS, + .name = "ip-route-resolver-process", +}; +/* *INDENT-ON* */ + +static int +nd_change_data_callback (u32 pool_index, u8 * new_mac, + u32 sw_if_index, ip6_address_t * address) +{ + vpe_api_main_t *am = &vpe_api_main; + vl_api_ip6_nd_event_t *event; + + if (pool_is_free_index (am->nd_events, pool_index)) + return 1; + + event = pool_elt_at_index (am->nd_events, pool_index); + if (eth_mac_equal (event->new_mac, new_mac) && + sw_if_index == ntohl (event->sw_if_index)) + { + return 1; + } + + clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac)); + event->sw_if_index = htonl (sw_if_index); + return 0; +} + +static int +arp_change_delete_callback (u32 pool_index, u8 * notused) +{ + vpe_api_main_t *am = &vpe_api_main; + + if (pool_is_free_index (am->arp_events, pool_index)) + return 1; + + pool_put_index (am->arp_events, pool_index); + return 0; +} + +static int +nd_change_delete_callback (u32 pool_index, u8 * notused) +{ + vpe_api_main_t *am = &vpe_api_main; + + if (pool_is_free_index (am->nd_events, pool_index)) + return 1; + + pool_put_index (am->nd_events, pool_index); + return 0; +} + +static vlib_node_registration_t wc_arp_process_node; + +enum +{ WC_ARP_REPORT, WC_ND_REPORT }; + +static uword +wc_arp_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) +{ + /* These cross the longjmp boundry (vlib_process_wait_for_event) + * and need to be volatile - to prevent them from being optimized into + * a register - which could change during suspension */ + + volatile wc_arp_report_t arp_prev = { 0 }; + volatile wc_nd_report_t nd_prev = { 0 }; + volatile f64 last_arp = vlib_time_now (vm); + volatile f64 last_nd = vlib_time_now (vm); + + while (1) + { + vlib_process_wait_for_event (vm); + uword event_type = WC_ARP_REPORT; + void *event_data = vlib_process_get_event_data (vm, &event_type); + + f64 now = vlib_time_now (vm); + int i; + if (event_type == WC_ARP_REPORT) + { + wc_arp_report_t *arp_events = event_data; + for (i = 0; i < vec_len (arp_events); i++) + { + /* discard dup event */ + if (arp_prev.ip4 == arp_events[i].ip4 && + eth_mac_equal ((u8 *) arp_prev.mac, arp_events[i].mac) && + arp_prev.sw_if_index == arp_events[i].sw_if_index && + (now - last_arp) < 10.0) + { + continue; + } + arp_prev = arp_events[i]; + last_arp = now; + vpe_client_registration_t *reg; + /* *INDENT-OFF* */ + pool_foreach(reg, vpe_api_main.wc_ip4_arp_events_registrations, + ({ + unix_shared_memory_queue_t *q; + q = vl_api_client_index_to_input_queue (reg->client_index); + if (q && q->cursize < q->maxsize) + { + vl_api_ip4_arp_event_t * event = vl_msg_api_alloc (sizeof *event); + memset (event, 0, sizeof *event); + event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT); + event->client_index = reg->client_index; + event->pid = reg->client_pid; + event->mac_ip = 1; + event->address = arp_events[i].ip4; + event->sw_if_index = htonl(arp_events[i].sw_if_index); + memcpy(event->new_mac, arp_events[i].mac, sizeof event->new_mac); + vl_msg_api_send_shmem (q, (u8 *) &event); + } + })); + /* *INDENT-ON* */ + } + } + else if (event_type == WC_ND_REPORT) + { + wc_nd_report_t *nd_events = event_data; + for (i = 0; i < vec_len (nd_events); i++) + { + /* discard dup event */ + if (ip6_address_is_equal + ((ip6_address_t *) & nd_prev.ip6, &nd_events[i].ip6) + && eth_mac_equal ((u8 *) nd_prev.mac, nd_events[i].mac) + && nd_prev.sw_if_index == nd_events[i].sw_if_index + && (now - last_nd) < 10.0) + { + continue; + } + nd_prev = nd_events[i]; + last_nd = now; + vpe_client_registration_t *reg; + /* *INDENT-OFF* */ + pool_foreach(reg, vpe_api_main.wc_ip6_nd_events_registrations, + ({ + unix_shared_memory_queue_t *q; + q = vl_api_client_index_to_input_queue (reg->client_index); + if (q && q->cursize < q->maxsize) + { + vl_api_ip6_nd_event_t * event = vl_msg_api_alloc (sizeof *event); + memset (event, 0, sizeof *event); + event->_vl_msg_id = htons (VL_API_IP6_ND_EVENT); + event->client_index = reg->client_index; + event->pid = reg->client_pid; + event->mac_ip = 1; + memcpy(event->address, nd_events[i].ip6.as_u8, sizeof event->address); + event->sw_if_index = htonl(nd_events[i].sw_if_index); + memcpy(event->new_mac, nd_events[i].mac, sizeof event->new_mac); + vl_msg_api_send_shmem (q, (u8 *) &event); + } + })); + /* *INDENT-ON* */ + } + } + vlib_process_put_event_data (vm, event_data); + } + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_REGISTER_NODE (wc_arp_process_node,static) = { + .function = wc_arp_process, + .type = VLIB_NODE_TYPE_PROCESS, + .name = "wildcard-ip4-arp-publisher-process", +}; +/* *INDENT-ON* */ + +static int +arp_change_data_callback (u32 pool_index, u8 * new_mac, + u32 sw_if_index, u32 address) +{ + vpe_api_main_t *am = &vpe_api_main; + vl_api_ip4_arp_event_t *event; + + if (pool_is_free_index (am->arp_events, pool_index)) + return 1; + + event = pool_elt_at_index (am->arp_events, pool_index); + if (eth_mac_equal (event->new_mac, new_mac) && + sw_if_index == ntohl (event->sw_if_index)) + { + return 1; + } + + clib_memcpy (event->new_mac, new_mac, sizeof (event->new_mac)); + event->sw_if_index = htonl (sw_if_index); + return 0; +} + +static void +vl_api_want_ip4_arp_events_t_handler (vl_api_want_ip4_arp_events_t * mp) +{ + vpe_api_main_t *am = &vpe_api_main; + vnet_main_t *vnm = vnet_get_main (); + vl_api_want_ip4_arp_events_reply_t *rmp; + int rv = 0; + + if (mp->address == 0) + { + uword *p = + hash_get (am->wc_ip4_arp_events_registration_hash, mp->client_index); + vpe_client_registration_t *rp; + if (p) + { + if (mp->enable_disable) + { + clib_warning ("pid %d: already enabled...", mp->pid); + rv = VNET_API_ERROR_INVALID_REGISTRATION; + goto reply; + } + else + { + rp = + pool_elt_at_index (am->wc_ip4_arp_events_registrations, p[0]); + pool_put (am->wc_ip4_arp_events_registrations, rp); + hash_unset (am->wc_ip4_arp_events_registration_hash, + mp->client_index); + if (pool_elts (am->wc_ip4_arp_events_registrations) == 0) + wc_arp_set_publisher_node (~0, WC_ARP_REPORT); + goto reply; + } + } + if (mp->enable_disable == 0) + { + clib_warning ("pid %d: already disabled...", mp->pid); + rv = VNET_API_ERROR_INVALID_REGISTRATION; + goto reply; + } + pool_get (am->wc_ip4_arp_events_registrations, rp); + rp->client_index = mp->client_index; + rp->client_pid = mp->pid; + hash_set (am->wc_ip4_arp_events_registration_hash, rp->client_index, + rp - am->wc_ip4_arp_events_registrations); + wc_arp_set_publisher_node (wc_arp_process_node.index, WC_ARP_REPORT); + goto reply; + } + + if (mp->enable_disable) + { + vl_api_ip4_arp_event_t *event; + pool_get (am->arp_events, event); + rv = vnet_add_del_ip4_arp_change_event + (vnm, arp_change_data_callback, + mp->pid, &mp->address /* addr, in net byte order */ , + ip_resolver_process_node.index, + IP4_ARP_EVENT, event - am->arp_events, 1 /* is_add */ ); + + if (rv) + { + pool_put (am->arp_events, event); + goto reply; + } + memset (event, 0, sizeof (*event)); + + /* Python API expects events to have no context */ + event->_vl_msg_id = htons (VL_API_IP4_ARP_EVENT); + event->client_index = mp->client_index; + event->address = mp->address; + event->pid = mp->pid; + if (mp->address == 0) + event->mac_ip = 1; + } + else + { + rv = vnet_add_del_ip4_arp_change_event + (vnm, arp_change_delete_callback, + mp->pid, &mp->address /* addr, in net byte order */ , + ip_resolver_process_node.index, + IP4_ARP_EVENT, ~0 /* pool index */ , 0 /* is_add */ ); + } +reply: + REPLY_MACRO (VL_API_WANT_IP4_ARP_EVENTS_REPLY); +} + +static void +vl_api_want_ip6_nd_events_t_handler (vl_api_want_ip6_nd_events_t * mp) +{ + vpe_api_main_t *am = &vpe_api_main; + vnet_main_t *vnm = vnet_get_main (); + vl_api_want_ip6_nd_events_reply_t *rmp; + int rv = 0; + + if (ip6_address_is_zero ((ip6_address_t *) mp->address)) + { + uword *p = + hash_get (am->wc_ip6_nd_events_registration_hash, mp->client_index); + vpe_client_registration_t *rp; + if (p) + { + if (mp->enable_disable) + { + clib_warning ("pid %d: already enabled...", mp->pid); + rv = VNET_API_ERROR_INVALID_REGISTRATION; + goto reply; + } + else + { + rp = + pool_elt_at_index (am->wc_ip6_nd_events_registrations, p[0]); + pool_put (am->wc_ip6_nd_events_registrations, rp); + hash_unset (am->wc_ip6_nd_events_registration_hash, + mp->client_index); + if (pool_elts (am->wc_ip6_nd_events_registrations) == 0) + wc_nd_set_publisher_node (~0, 2); + goto reply; + } + } + if (mp->enable_disable == 0) + { + clib_warning ("pid %d: already disabled...", mp->pid); + rv = VNET_API_ERROR_INVALID_REGISTRATION; + goto reply; + } + pool_get (am->wc_ip6_nd_events_registrations, rp); + rp->client_index = mp->client_index; + rp->client_pid = mp->pid; + hash_set (am->wc_ip6_nd_events_registration_hash, rp->client_index, + rp - am->wc_ip6_nd_events_registrations); + wc_nd_set_publisher_node (wc_arp_process_node.index, WC_ND_REPORT); + goto reply; + } + + if (mp->enable_disable) + { + vl_api_ip6_nd_event_t *event; + pool_get (am->nd_events, event); + + rv = vnet_add_del_ip6_nd_change_event + (vnm, nd_change_data_callback, + mp->pid, mp->address /* addr, in net byte order */ , + ip_resolver_process_node.index, + IP6_ND_EVENT, event - am->nd_events, 1 /* is_add */ ); + + if (rv) + { + pool_put (am->nd_events, event); + goto reply; + } + memset (event, 0, sizeof (*event)); + + event->_vl_msg_id = ntohs (VL_API_IP6_ND_EVENT); + event->client_index = mp->client_index; + clib_memcpy (event->address, mp->address, sizeof event->address); + event->pid = mp->pid; + } + else + { + rv = vnet_add_del_ip6_nd_change_event + (vnm, nd_change_delete_callback, + mp->pid, mp->address /* addr, in net byte order */ , + ip_resolver_process_node.index, + IP6_ND_EVENT, ~0 /* pool index */ , 0 /* is_add */ ); + } +reply: + REPLY_MACRO (VL_API_WANT_IP6_ND_EVENTS_REPLY); +} + +static void +vl_api_proxy_arp_add_del_t_handler (vl_api_proxy_arp_add_del_t * mp) +{ + vl_api_proxy_arp_add_del_reply_t *rmp; + u32 fib_index; + int rv; + ip4_main_t *im = &ip4_main; + stats_main_t *sm = &stats_main; + int vnet_proxy_arp_add_del (ip4_address_t * lo_addr, + ip4_address_t * hi_addr, + u32 fib_index, int is_del); + uword *p; + + dslock (sm, 1 /* release hint */ , 6 /* tag */ ); + + p = hash_get (im->fib_index_by_table_id, ntohl (mp->vrf_id)); + + if (!p) + { + rv = VNET_API_ERROR_NO_SUCH_FIB; + goto out; + } + + fib_index = p[0]; + + rv = vnet_proxy_arp_add_del ((ip4_address_t *) mp->low_address, + (ip4_address_t *) mp->hi_address, + fib_index, mp->is_add == 0); + +out: + dsunlock (sm); + REPLY_MACRO (VL_API_PROXY_ARP_ADD_DEL_REPLY); +} + +static void + vl_api_proxy_arp_intfc_enable_disable_t_handler + (vl_api_proxy_arp_intfc_enable_disable_t * mp) +{ + int rv = 0; + vnet_main_t *vnm = vnet_get_main (); + vl_api_proxy_arp_intfc_enable_disable_reply_t *rmp; + + VALIDATE_SW_IF_INDEX (mp); + + vnet_sw_interface_t *si = + vnet_get_sw_interface (vnm, ntohl (mp->sw_if_index)); + + ASSERT (si); + + if (mp->enable_disable) + si->flags |= VNET_SW_INTERFACE_FLAG_PROXY_ARP; + else + si->flags &= ~VNET_SW_INTERFACE_FLAG_PROXY_ARP; + + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY); +} + +static int +ip4_reset_fib_t_handler (vl_api_reset_fib_t * mp) +{ + vnet_main_t *vnm = vnet_get_main (); + vnet_interface_main_t *im = &vnm->interface_main; + ip4_main_t *im4 = &ip4_main; + static u32 *sw_if_indices_to_shut; + stats_main_t *sm = &stats_main; + fib_table_t *fib_table; + ip4_fib_t *fib; + u32 sw_if_index; + int i; + int rv = VNET_API_ERROR_NO_SUCH_FIB; + u32 target_fib_id = ntohl (mp->vrf_id); + + dslock (sm, 1 /* release hint */ , 8 /* tag */ ); + + /* *INDENT-OFF* */ + pool_foreach (fib_table, im4->fibs, + ({ + vnet_sw_interface_t * si; + + fib = pool_elt_at_index (im4->v4_fibs, fib_table->ft_index); + + if (fib->table_id != target_fib_id) + continue; + + /* remove any mpls encap/decap labels */ + mpls_fib_reset_labels (fib->table_id); + + /* remove any proxy arps in this fib */ + vnet_proxy_arp_fib_reset (fib->table_id); + + /* Set the flow hash for this fib to the default */ + vnet_set_ip4_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT); + + vec_reset_length (sw_if_indices_to_shut); + + /* Shut down interfaces in this FIB / clean out intfc routes */ + pool_foreach (si, im->sw_interfaces, + ({ + u32 sw_if_index = si->sw_if_index; + + if (sw_if_index < vec_len (im4->fib_index_by_sw_if_index) + && (im4->fib_index_by_sw_if_index[si->sw_if_index] == + fib->index)) + vec_add1 (sw_if_indices_to_shut, si->sw_if_index); + })); + + for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) { + sw_if_index = sw_if_indices_to_shut[i]; + + u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index); + flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP); + vnet_sw_interface_set_flags (vnm, sw_if_index, flags); + } + + fib_table_flush(fib->index, FIB_PROTOCOL_IP4, FIB_SOURCE_API); + + rv = 0; + break; + })); /* pool_foreach (fib) */ + /* *INDENT-ON* */ + + dsunlock (sm); + return rv; +} + +static int +ip6_reset_fib_t_handler (vl_api_reset_fib_t * mp) +{ + vnet_main_t *vnm = vnet_get_main (); + vnet_interface_main_t *im = &vnm->interface_main; + ip6_main_t *im6 = &ip6_main; + stats_main_t *sm = &stats_main; + static u32 *sw_if_indices_to_shut; + fib_table_t *fib_table; + ip6_fib_t *fib; + u32 sw_if_index; + int i; + int rv = VNET_API_ERROR_NO_SUCH_FIB; + u32 target_fib_id = ntohl (mp->vrf_id); + + dslock (sm, 1 /* release hint */ , 9 /* tag */ ); + + /* *INDENT-OFF* */ + pool_foreach (fib_table, im6->fibs, + ({ + vnet_sw_interface_t * si; + + fib = pool_elt_at_index (im6->v6_fibs, fib_table->ft_index); + + if (fib->table_id != target_fib_id) + continue; + + vec_reset_length (sw_if_indices_to_shut); + + /* Set the flow hash for this fib to the default */ + vnet_set_ip6_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT); + + /* Shut down interfaces in this FIB / clean out intfc routes */ + pool_foreach (si, im->sw_interfaces, + ({ + if (im6->fib_index_by_sw_if_index[si->sw_if_index] == + fib->index) + vec_add1 (sw_if_indices_to_shut, si->sw_if_index); + })); + + for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) { + sw_if_index = sw_if_indices_to_shut[i]; + + u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index); + flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP); + vnet_sw_interface_set_flags (vnm, sw_if_index, flags); + } + + fib_table_flush(fib->index, FIB_PROTOCOL_IP6, FIB_SOURCE_API); + + rv = 0; + break; + })); /* pool_foreach (fib) */ + /* *INDENT-ON* */ + + dsunlock (sm); + return rv; +} + +static void +vl_api_reset_fib_t_handler (vl_api_reset_fib_t * mp) +{ + int rv; + vl_api_reset_fib_reply_t *rmp; + + if (mp->is_ipv6) + rv = ip6_reset_fib_t_handler (mp); + else + rv = ip4_reset_fib_t_handler (mp); + + REPLY_MACRO (VL_API_RESET_FIB_REPLY); +} + +static void +vl_api_set_arp_neighbor_limit_t_handler (vl_api_set_arp_neighbor_limit_t * mp) +{ + int rv; + vl_api_set_arp_neighbor_limit_reply_t *rmp; + vnet_main_t *vnm = vnet_get_main (); + clib_error_t *error; + + vnm->api_errno = 0; + + if (mp->is_ipv6) + error = ip6_set_neighbor_limit (ntohl (mp->arp_neighbor_limit)); + else + error = ip4_set_arp_limit (ntohl (mp->arp_neighbor_limit)); + + if (error) + { + clib_error_report (error); + rv = VNET_API_ERROR_UNSPECIFIED; + } + else + { + rv = vnm->api_errno; + } + + REPLY_MACRO (VL_API_SET_ARP_NEIGHBOR_LIMIT_REPLY); +} + #define vl_msg_name_crc_list #include <vnet/ip/ip.api.h> #undef vl_msg_name_crc_list |