diff options
Diffstat (limited to 'src/vnet/l2')
| -rw-r--r-- | src/vnet/l2/l2.api | 229 | ||||
| -rw-r--r-- | src/vnet/l2/l2_api.c | 373 |
2 files changed, 599 insertions, 3 deletions
diff --git a/src/vnet/l2/l2.api b/src/vnet/l2/l2.api index 5fce7944b58..5b24f259f68 100644 --- a/src/vnet/l2/l2.api +++ b/src/vnet/l2/l2.api @@ -36,3 +36,232 @@ define l2_xconnect_dump u32 context; }; +/** \brief l2 fib table entry structure + @param bd_id - the l2 fib / bridge domain table id + @param mac - the entry's mac address + @param sw_if_index - index of the interface + @param static_mac - the entry is statically configured. + @param filter_mac - the entry is a mac filter entry. + @param bvi_mac - the mac address is a bridge virtual interface +*/ +define l2_fib_table_entry +{ + u32 context; + u32 bd_id; + u64 mac; + u32 sw_if_index; + u8 static_mac; + u8 filter_mac; + u8 bvi_mac; +}; + +/** \brief Dump l2 fib (aka bridge domain) table + @param client_index - opaque cookie to identify the sender + @param bd_id - the l2 fib / bridge domain table identifier +*/ +define l2_fib_table_dump +{ + u32 client_index; + u32 context; + u32 bd_id; +}; + +/** \brief L2 fib clear table request, clear all mac entries in the l2 fib + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request +*/ +define l2_fib_clear_table +{ + u32 client_index; + u32 context; +}; + +/** \brief L2 fib clear table response + @param context - sender context, to match reply w/ request + @param retval - return code for the request +*/ +define l2_fib_clear_table_reply +{ + u32 context; + i32 retval; +}; + +/** \brief L2 FIB add entry request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param mac - the entry's mac address + @param bd_id - the entry's bridge domain id + @param sw_if_index - the interface + @param is_add - If non zero add the entry, else delete it + @param static_mac - + @param filter_mac - +*/ +define l2fib_add_del +{ + u32 client_index; + u32 context; + u64 mac; + u32 bd_id; + u32 sw_if_index; + u8 is_add; + u8 static_mac; + u8 filter_mac; + u8 bvi_mac; +}; + +/** \brief L2 FIB add entry response + @param context - sender context, to match reply w/ request + @param retval - return code for the add l2fib entry request +*/ +define l2fib_add_del_reply +{ + u32 context; + i32 retval; +}; + +/** \brief Set L2 flags request !!! TODO - need more info, feature bits in l2_input.h + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param sw_if_index - interface + @param is_set - if non-zero, set the bits, else clear them + @param feature_bitmap - non-zero bits to set or clear +*/ +define l2_flags +{ + u32 client_index; + u32 context; + u32 sw_if_index; + u8 is_set; + u32 feature_bitmap; +}; + +/** \brief Set L2 bits response + @param context - sender context, to match reply w/ request + @param retval - return code for the set l2 bits request +*/ +define l2_flags_reply +{ + u32 context; + i32 retval; + u32 resulting_feature_bitmap; +}; + +/** \brief L2 bridge domain add or delete request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param bd_id - the bridge domain to create + @param flood - enable/disable bcast/mcast flooding in the bd + @param uu_flood - enable/disable uknown unicast flood in the bd + @param forward - enable/disable forwarding on all interfaces in the bd + @param learn - enable/disable learning on all interfaces in the bd + @param arp_term - enable/disable arp termination in the bd + @param mac_age - mac aging time in min, 0 for disabled + @param is_add - add or delete flag +*/ +define bridge_domain_add_del +{ + u32 client_index; + u32 context; + u32 bd_id; + u8 flood; + u8 uu_flood; + u8 forward; + u8 learn; + u8 arp_term; + u8 mac_age; + u8 is_add; +}; + +/** \brief L2 bridge domain add or delete response + @param context - sender context, to match reply w/ request + @param retval - return code for the set bridge flags request +*/ +define bridge_domain_add_del_reply +{ + u32 context; + i32 retval; +}; + +/** \brief L2 bridge domain request operational state details + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param bd_id - the bridge domain id desired or ~0 to request all bds +*/ +define bridge_domain_dump +{ + u32 client_index; + u32 context; + u32 bd_id; +}; + +/** \brief L2 bridge domain operational state response + @param bd_id - the bridge domain id + @param flood - bcast/mcast flooding state on all interfaces in the bd + @param uu_flood - uknown unicast flooding state on all interfaces in the bd + @param forward - forwarding state on all interfaces in the bd + @param learn - learning state on all interfaces in the bd + @param arp_term - arp termination state on all interfaces in the bd + @param mac_age - mac aging time in min, 0 for disabled + @param n_sw_ifs - number of sw_if_index's in the domain +*/ +define bridge_domain_details +{ + u32 context; + u32 bd_id; + u8 flood; + u8 uu_flood; + u8 forward; + u8 learn; + u8 arp_term; + u8 mac_age; + u32 bvi_sw_if_index; + u32 n_sw_ifs; +}; + +/** \brief L2 bridge domain sw interface operational state response + @param bd_id - the bridge domain id + @param sw_if_index - sw_if_index in the domain + @param shg - split horizon group for the interface +*/ +define bridge_domain_sw_if_details +{ + u32 context; + u32 bd_id; + u32 sw_if_index; + u8 shg; +}; + +/** \brief Set bridge flags (such as L2_LEARN, L2_FWD, L2_FLOOD, + L2_UU_FLOOD, or L2_ARP_TERM) request + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param bd_id - the bridge domain to set the flags for + @param is_set - if non-zero, set the flags, else clear them + @param feature_bitmap - bits that are non-zero to set or clear +*/ +define bridge_flags +{ + u32 client_index; + u32 context; + u32 bd_id; + u8 is_set; + u32 feature_bitmap; +}; + +/** \brief Set bridge flags response + @param context - sender context, to match reply w/ request + @param retval - return code for the set bridge flags request + @param resulting_feature_bitmap - the feature bitmap value after the request is implemented +*/ +define bridge_flags_reply +{ + u32 context; + i32 retval; + u32 resulting_feature_bitmap; +}; + +/* + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/l2/l2_api.c b/src/vnet/l2/l2_api.c index ca4f593f1ec..ef33509c902 100644 --- a/src/vnet/l2/l2_api.c +++ b/src/vnet/l2/l2_api.c @@ -23,6 +23,7 @@ #include <vnet/interface.h> #include <vnet/api_errno.h> #include <vnet/l2/l2_input.h> +#include <vnet/l2/l2_fib.h> #include <vnet/vnet_msg_enum.h> @@ -42,8 +43,18 @@ #include <vlibapi/api_helper_macros.h> -#define foreach_vpe_api_msg \ -_(L2_XCONNECT_DUMP, l2_xconnect_dump) +#define foreach_vpe_api_msg \ +_(L2_XCONNECT_DUMP, l2_xconnect_dump) \ +_(L2_FIB_CLEAR_TABLE, l2_fib_clear_table) \ +_(L2_FIB_TABLE_DUMP, l2_fib_table_dump) \ +_(L2_FIB_TABLE_ENTRY, l2_fib_table_entry) \ +_(L2FIB_ADD_DEL, l2fib_add_del) \ +_(L2_FLAGS, l2_flags) \ +_(BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del) \ +_(BRIDGE_DOMAIN_DUMP, bridge_domain_dump) \ +_(BRIDGE_DOMAIN_DETAILS, bridge_domain_details) \ +_(BRIDGE_DOMAIN_SW_IF_DETAILS, bridge_domain_sw_if_details) \ +_(BRIDGE_FLAGS, bridge_flags) static void send_l2_xconnect_details (unix_shared_memory_queue_t * q, u32 context, @@ -86,9 +97,365 @@ vl_api_l2_xconnect_dump_t_handler (vl_api_l2_xconnect_dump_t * mp) /* *INDENT-ON* */ } +static void +vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t * mp) +{ + int rv = 0; + vl_api_l2_fib_clear_table_reply_t *rmp; + + /* DAW-FIXME: This API should only clear non-static l2fib entries, but + * that is not currently implemented. When that TODO is fixed + * this call should be changed to pass 1 instead of 0. + */ + l2fib_clear_table (0); + + REPLY_MACRO (VL_API_L2_FIB_CLEAR_TABLE_REPLY); +} + +static void +send_l2fib_table_entry (vpe_api_main_t * am, + unix_shared_memory_queue_t * q, + l2fib_entry_key_t * l2fe_key, + l2fib_entry_result_t * l2fe_res, u32 context) +{ + vl_api_l2_fib_table_entry_t *mp; + + mp = vl_msg_api_alloc (sizeof (*mp)); + memset (mp, 0, sizeof (*mp)); + mp->_vl_msg_id = ntohs (VL_API_L2_FIB_TABLE_ENTRY); + + mp->bd_id = + ntohl (l2input_main.bd_configs[l2fe_key->fields.bd_index].bd_id); + + mp->mac = l2fib_make_key (l2fe_key->fields.mac, 0); + mp->sw_if_index = ntohl (l2fe_res->fields.sw_if_index); + mp->static_mac = l2fe_res->fields.static_mac; + mp->filter_mac = l2fe_res->fields.filter; + mp->bvi_mac = l2fe_res->fields.bvi; + mp->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & mp); +} + +static void +vl_api_l2_fib_table_entry_t_handler (vl_api_l2_fib_table_entry_t * mp) +{ + clib_warning ("BUG"); +} + +static void +vl_api_l2_fib_table_dump_t_handler (vl_api_l2_fib_table_dump_t * mp) +{ + vpe_api_main_t *am = &vpe_api_main; + bd_main_t *bdm = &bd_main; + l2fib_entry_key_t *l2fe_key = NULL; + l2fib_entry_result_t *l2fe_res = NULL; + u32 ni, bd_id = ntohl (mp->bd_id); + u32 bd_index; + unix_shared_memory_queue_t *q; + uword *p; + + q = vl_api_client_index_to_input_queue (mp->client_index); + if (q == 0) + return; + + /* see l2fib_table_dump: ~0 means "any" */ + if (bd_id == ~0) + bd_index = ~0; + else + { + p = hash_get (bdm->bd_index_by_bd_id, bd_id); + if (p == 0) + return; + + bd_index = p[0]; + } + + l2fib_table_dump (bd_index, &l2fe_key, &l2fe_res); + + vec_foreach_index (ni, l2fe_key) + { + send_l2fib_table_entry (am, q, vec_elt_at_index (l2fe_key, ni), + vec_elt_at_index (l2fe_res, ni), mp->context); + } + vec_free (l2fe_key); + vec_free (l2fe_res); +} + +static void +vl_api_l2fib_add_del_t_handler (vl_api_l2fib_add_del_t * mp) +{ + bd_main_t *bdm = &bd_main; + l2input_main_t *l2im = &l2input_main; + vl_api_l2fib_add_del_reply_t *rmp; + int rv = 0; + u64 mac = 0; + u32 sw_if_index = ntohl (mp->sw_if_index); + u32 bd_id = ntohl (mp->bd_id); + u32 bd_index; + u32 static_mac; + u32 filter_mac; + u32 bvi_mac; + uword *p; + + mac = mp->mac; + + p = hash_get (bdm->bd_index_by_bd_id, bd_id); + if (!p) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto bad_sw_if_index; + } + bd_index = p[0]; + + if (mp->is_add) + { + filter_mac = mp->filter_mac ? 1 : 0; + if (filter_mac == 0) + { + VALIDATE_SW_IF_INDEX (mp); + if (vec_len (l2im->configs) <= sw_if_index) + { + rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; + goto bad_sw_if_index; + } + else + { + l2_input_config_t *config; + config = vec_elt_at_index (l2im->configs, sw_if_index); + if (config->bridge == 0) + { + rv = VNET_API_ERROR_INVALID_SW_IF_INDEX; + goto bad_sw_if_index; + } + } + } + static_mac = mp->static_mac ? 1 : 0; + bvi_mac = mp->bvi_mac ? 1 : 0; + l2fib_add_entry (mac, bd_index, sw_if_index, static_mac, filter_mac, + bvi_mac); + } + else + { + l2fib_del_entry (mac, bd_index); + } + + BAD_SW_IF_INDEX_LABEL; + + REPLY_MACRO (VL_API_L2FIB_ADD_DEL_REPLY); +} + +static void +vl_api_l2_flags_t_handler (vl_api_l2_flags_t * mp) +{ + vl_api_l2_flags_reply_t *rmp; + int rv = 0; + u32 sw_if_index = ntohl (mp->sw_if_index); + u32 flags = ntohl (mp->feature_bitmap); + u32 rbm = 0; + + VALIDATE_SW_IF_INDEX (mp); + +#define _(a,b) \ + if (flags & L2INPUT_FEAT_ ## a) \ + rbm = l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_ ## a, mp->is_set); + foreach_l2input_feat; +#undef _ + + BAD_SW_IF_INDEX_LABEL; + + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_L2_FLAGS_REPLY, + ({ + rmp->resulting_feature_bitmap = ntohl(rbm); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_bridge_domain_add_del_t_handler (vl_api_bridge_domain_add_del_t * mp) +{ + vlib_main_t *vm = vlib_get_main (); + bd_main_t *bdm = &bd_main; + vl_api_bridge_domain_add_del_reply_t *rmp; + int rv = 0; + u32 enable_flags = 0, disable_flags = 0; + u32 bd_id = ntohl (mp->bd_id); + u32 bd_index; + + if (mp->is_add) + { + bd_index = bd_find_or_add_bd_index (bdm, bd_id); + + if (mp->flood) + enable_flags |= L2_FLOOD; + else + disable_flags |= L2_FLOOD; + + if (mp->uu_flood) + enable_flags |= L2_UU_FLOOD; + else + disable_flags |= L2_UU_FLOOD; + + if (mp->forward) + enable_flags |= L2_FWD; + else + disable_flags |= L2_FWD; + + if (mp->arp_term) + enable_flags |= L2_ARP_TERM; + else + disable_flags |= L2_ARP_TERM; + + if (mp->learn) + enable_flags |= L2_LEARN; + else + disable_flags |= L2_LEARN; + + if (enable_flags) + bd_set_flags (vm, bd_index, enable_flags, 1 /* enable */ ); + + if (disable_flags) + bd_set_flags (vm, bd_index, disable_flags, 0 /* disable */ ); + + bd_set_mac_age (vm, bd_index, mp->mac_age); + } + else + rv = bd_delete_bd_index (bdm, bd_id); + + REPLY_MACRO (VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY); +} + +static void +vl_api_bridge_domain_details_t_handler (vl_api_bridge_domain_details_t * mp) +{ + clib_warning ("BUG"); +} + +static void + vl_api_bridge_domain_sw_if_details_t_handler + (vl_api_bridge_domain_sw_if_details_t * mp) +{ + clib_warning ("BUG"); +} + +static void +send_bridge_domain_details (unix_shared_memory_queue_t * q, + l2_bridge_domain_t * bd_config, + u32 n_sw_ifs, u32 context) +{ + vl_api_bridge_domain_details_t *mp; + + mp = vl_msg_api_alloc (sizeof (*mp)); + memset (mp, 0, sizeof (*mp)); + mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS); + mp->bd_id = ntohl (bd_config->bd_id); + mp->flood = bd_feature_flood (bd_config); + mp->uu_flood = bd_feature_uu_flood (bd_config); + mp->forward = bd_feature_forward (bd_config); + mp->learn = bd_feature_learn (bd_config); + mp->arp_term = bd_feature_arp_term (bd_config); + mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index); + mp->mac_age = bd_config->mac_age; + mp->n_sw_ifs = ntohl (n_sw_ifs); + mp->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & mp); +} + +static void +send_bd_sw_if_details (l2input_main_t * l2im, + unix_shared_memory_queue_t * q, + l2_flood_member_t * member, u32 bd_id, u32 context) +{ + vl_api_bridge_domain_sw_if_details_t *mp; + l2_input_config_t *input_cfg; + + mp = vl_msg_api_alloc (sizeof (*mp)); + memset (mp, 0, sizeof (*mp)); + mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_SW_IF_DETAILS); + mp->bd_id = ntohl (bd_id); + mp->sw_if_index = ntohl (member->sw_if_index); + input_cfg = vec_elt_at_index (l2im->configs, member->sw_if_index); + mp->shg = input_cfg->shg; + mp->context = context; + + vl_msg_api_send_shmem (q, (u8 *) & mp); +} + +static void +vl_api_bridge_domain_dump_t_handler (vl_api_bridge_domain_dump_t * mp) +{ + bd_main_t *bdm = &bd_main; + l2input_main_t *l2im = &l2input_main; + unix_shared_memory_queue_t *q; + l2_bridge_domain_t *bd_config; + u32 bd_id, bd_index; + u32 end; + + q = vl_api_client_index_to_input_queue (mp->client_index); + + if (q == 0) + return; + + bd_id = ntohl (mp->bd_id); + + bd_index = (bd_id == ~0) ? 0 : bd_find_or_add_bd_index (bdm, bd_id); + end = (bd_id == ~0) ? vec_len (l2im->bd_configs) : bd_index + 1; + for (; bd_index < end; bd_index++) + { + bd_config = l2input_bd_config_from_index (l2im, bd_index); + /* skip dummy bd_id 0 */ + if (bd_config && (bd_config->bd_id > 0)) + { + u32 n_sw_ifs; + l2_flood_member_t *m; + + n_sw_ifs = vec_len (bd_config->members); + send_bridge_domain_details (q, bd_config, n_sw_ifs, mp->context); + + vec_foreach (m, bd_config->members) + { + send_bd_sw_if_details (l2im, q, m, bd_config->bd_id, mp->context); + } + } + } +} + +static void +vl_api_bridge_flags_t_handler (vl_api_bridge_flags_t * mp) +{ + vlib_main_t *vm = vlib_get_main (); + bd_main_t *bdm = &bd_main; + vl_api_bridge_flags_reply_t *rmp; + int rv = 0; + u32 bd_id = ntohl (mp->bd_id); + u32 bd_index; + u32 flags = ntohl (mp->feature_bitmap); + uword *p; + + p = hash_get (bdm->bd_index_by_bd_id, bd_id); + if (p == 0) + { + rv = VNET_API_ERROR_NO_SUCH_ENTRY; + goto out; + } + + bd_index = p[0]; + + bd_set_flags (vm, bd_index, flags, mp->is_set); + +out: + /* *INDENT-OFF* */ + REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY, + ({ + rmp->resulting_feature_bitmap = ntohl(flags); + })); + /* *INDENT-ON* */ +} /* - * vpe_api_hookup + * l2_api_hookup * Add vpe's API message handlers to the table. * vlib has alread mapped shared memory and * added the client registration handlers. |