From: Neale Ranns Date: Fri, 13 Oct 2017 09:43:33 +0000 (-0700) Subject: Enforce FIB table creation before use X-Git-Tag: v18.04-rc0~470 X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=f9342023c19887da656133e2688a90d70383b0c5 Enforce FIB table creation before use last i the serise of the use of the FIB table create/delete API. VPP now forces the tables to have been explicitly creted before they are used. Change-Id: Ifde3b1bbb76697a01ab71bce4f5264e6d1725467 Signed-off-by: Neale Ranns --- diff --git a/src/vat/api_format.c b/src/vat/api_format.c index 556bcf1d650..615e9cb6b54 100644 --- a/src/vat/api_format.c +++ b/src/vat/api_format.c @@ -7560,7 +7560,6 @@ api_ip_add_del_route (vat_main_t * vam) u8 is_ipv6 = 0; u8 is_local = 0, is_drop = 0; u8 is_unreach = 0, is_prohibit = 0; - u8 create_vrf_if_needed = 0; u8 is_add = 1; u32 next_hop_weight = 1; u8 not_last = 0; @@ -7657,8 +7656,6 @@ api_ip_add_del_route (vat_main_t * vam) is_multipath = 1; else if (unformat (i, "vrf %d", &vrf_id)) ; - else if (unformat (i, "create-vrf")) - create_vrf_if_needed = 1; else if (unformat (i, "count %d", &count)) ; else if (unformat (i, "lookup-in-vrf %d", &next_hop_table_id)) @@ -7745,7 +7742,6 @@ api_ip_add_del_route (vat_main_t * vam) mp->next_hop_sw_if_index = ntohl (sw_if_index); mp->table_id = ntohl (vrf_id); - mp->create_vrf_if_needed = create_vrf_if_needed; mp->is_add = is_add; mp->is_drop = is_drop; @@ -7859,7 +7855,6 @@ api_ip_mroute_add_del (vat_main_t * vam) u32 sw_if_index = ~0, vrf_id = 0; u8 is_ipv6 = 0; u8 is_local = 0; - u8 create_vrf_if_needed = 0; u8 is_add = 1; u8 address_set = 0; u32 grp_address_length = 0; @@ -7916,8 +7911,6 @@ api_ip_mroute_add_del (vat_main_t * vam) is_add = 1; else if (unformat (i, "vrf %d", &vrf_id)) ; - else if (unformat (i, "create-vrf")) - create_vrf_if_needed = 1; else if (unformat (i, "%U", unformat_mfib_itf_flags, &iflags)) ; else if (unformat (i, "%U", unformat_mfib_entry_flags, &eflags)) @@ -7940,7 +7933,6 @@ api_ip_mroute_add_del (vat_main_t * vam) mp->next_hop_sw_if_index = ntohl (sw_if_index); mp->table_id = ntohl (vrf_id); - mp->create_vrf_if_needed = create_vrf_if_needed; mp->is_add = is_add; mp->is_ipv6 = is_ipv6; @@ -7981,12 +7973,12 @@ api_mpls_table_add_del (vat_main_t * vam) /* Parse args required to build the message */ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) { - if (unformat (i, "table %d", &table_id)) - ; - else if (unformat (i, "del")) + if (unformat (i, "del")) is_add = 0; else if (unformat (i, "add")) is_add = 1; + else if (unformat (i, "table-id %d", &table_id)) + ; else { clib_warning ("parse error '%U'", format_unformat_error, i); @@ -8021,7 +8013,6 @@ api_mpls_route_add_del (vat_main_t * vam) unformat_input_t *i = vam->input; vl_api_mpls_route_add_del_t *mp; u32 sw_if_index = ~0, table_id = 0; - u8 create_table_if_needed = 0; u8 is_add = 1; u32 next_hop_weight = 1; u8 is_multipath = 0; @@ -8071,8 +8062,6 @@ api_mpls_route_add_del (vat_main_t * vam) } else if (unformat (i, "weight %d", &next_hop_weight)) ; - else if (unformat (i, "create-table")) - create_table_if_needed = 1; else if (unformat (i, "classify %d", &classify_table_index)) { is_classify = 1; @@ -8140,7 +8129,6 @@ api_mpls_route_add_del (vat_main_t * vam) mp->mr_next_hop_sw_if_index = ntohl (sw_if_index); mp->mr_table_id = ntohl (table_id); - mp->mr_create_table_if_needed = create_table_if_needed; mp->mr_is_add = is_add; mp->mr_next_hop_proto = next_hop_proto; @@ -8246,7 +8234,6 @@ api_mpls_ip_bind_unbind (vat_main_t * vam) unformat_input_t *i = vam->input; vl_api_mpls_ip_bind_unbind_t *mp; u32 ip_table_id = 0; - u8 create_table_if_needed = 0; u8 is_bind = 1; u8 is_ip4 = 1; ip4_address_t v4_address; @@ -8273,8 +8260,6 @@ api_mpls_ip_bind_unbind (vat_main_t * vam) } else if (unformat (i, "%d", &local_label)) ; - else if (unformat (i, "create-table")) - create_table_if_needed = 1; else if (unformat (i, "table-id %d", &ip_table_id)) ; else if (unformat (i, "unbind")) @@ -8303,7 +8288,6 @@ api_mpls_ip_bind_unbind (vat_main_t * vam) /* Construct the API message */ M (MPLS_IP_BIND_UNBIND, mp); - mp->mb_create_table_if_needed = create_table_if_needed; mp->mb_is_bind = is_bind; mp->mb_is_ip4 = is_ip4; mp->mb_ip_table_id = ntohl (ip_table_id); diff --git a/src/vnet/interface_api.c b/src/vnet/interface_api.c index c19f0a84297..ee13135f086 100644 --- a/src/vnet/interface_api.c +++ b/src/vnet/interface_api.c @@ -365,6 +365,14 @@ ip_table_bind (fib_protocol_t fproto, fib_source_t src; mfib_source_t msrc; + fib_index = fib_table_find (fproto, table_id); + mfib_index = mfib_table_find (fproto, table_id); + + if (~0 == fib_index || ~0 == mfib_index) + { + return (VNET_API_ERROR_NO_SUCH_FIB); + } + if (is_api) { src = FIB_SOURCE_API; @@ -376,32 +384,6 @@ ip_table_bind (fib_protocol_t fproto, msrc = MFIB_SOURCE_CLI; } - /* - * This is temporary whilst I do the song and dance with the CSIT version - */ - if (0 != table_id) - { - fib_index = fib_table_find_or_create_and_lock (fproto, table_id, src); - mfib_index = - mfib_table_find_or_create_and_lock (fproto, table_id, msrc); - } - else - { - fib_index = 0; - mfib_index = 0; - } - - /* - * This if table does not exist = error is what we want in the end. - */ - /* fib_index = fib_table_find (fproto, table_id); */ - /* mfib_index = mfib_table_find (fproto, table_id); */ - - /* if (~0 == fib_index || ~0 == mfib_index) */ - /* { */ - /* return (VNET_API_ERROR_NO_SUCH_FIB); */ - /* } */ - if (FIB_PROTOCOL_IP6 == fproto) { /* @@ -508,15 +490,6 @@ ip_table_bind (fib_protocol_t fproto, ip4_main.mfib_index_by_sw_if_index[sw_if_index] = mfib_index; } - /* - * Temporary. undo the locks from the find and create at the staart - */ - if (0 != table_id) - { - fib_table_unlock (fib_index, fproto, src); - mfib_table_unlock (mfib_index, fproto, msrc); - } - return (0); } diff --git a/src/vnet/ip/ip.api b/src/vnet/ip/ip.api index e302b1e7a44..df9ce6e615a 100644 --- a/src/vnet/ip/ip.api +++ b/src/vnet/ip/ip.api @@ -362,7 +362,6 @@ autoreply define sw_interface_ip6_set_link_local_address @param vrf_id - fib table /vrf associated with the route @param lookup_in_vrf - @param classify_table_index - - @param create_vrf_if_needed - @param is_add - 1 if adding the route, 0 if deleting @param is_drop - Drop the packet @param is_unreach - Drop the packet and rate limit send ICMP unreachable @@ -388,7 +387,6 @@ autoreply define ip_add_del_route u32 table_id; u32 classify_table_index; u32 next_hop_table_id; - u8 create_vrf_if_needed; u8 is_add; u8 is_drop; u8 is_unreach; @@ -430,7 +428,6 @@ autoreply define ip_mroute_add_del u32 itf_flags; u32 rpf_id; u16 grp_address_length; - u8 create_vrf_if_needed; u8 is_add; u8 is_ipv6; u8 is_local; diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c index d9ec4b47998..f3712d3fd29 100644 --- a/src/vnet/ip/ip_api.c +++ b/src/vnet/ip/ip_api.c @@ -986,23 +986,11 @@ add_del_route_check (fib_protocol_t table_proto, { vnet_main_t *vnm = vnet_get_main (); - /* Temporaray whilst I do the CSIT dance */ - u8 create_missing_tables = 1; - *fib_index = fib_table_find (table_proto, ntohl (table_id)); if (~0 == *fib_index) { - if (create_missing_tables) - { - *fib_index = fib_table_find_or_create_and_lock (table_proto, - ntohl (table_id), - FIB_SOURCE_API); - } - else - { - /* No such VRF, and we weren't asked to create one */ - return VNET_API_ERROR_NO_SUCH_FIB; - } + /* No such VRF */ + return VNET_API_ERROR_NO_SUCH_FIB; } if (!is_rpf_id && ~0 != ntohl (next_hop_sw_if_index)) @@ -1031,26 +1019,7 @@ add_del_route_check (fib_protocol_t table_proto, if (~0 == *next_hop_fib_index) { - if (create_missing_tables) - { - if (is_rpf_id) - *next_hop_fib_index = - mfib_table_find_or_create_and_lock (fib_nh_proto, - ntohl - (next_hop_table_id), - MFIB_SOURCE_API); - else - *next_hop_fib_index = - fib_table_find_or_create_and_lock (fib_nh_proto, - ntohl - (next_hop_table_id), - FIB_SOURCE_API); - } - else - { - /* No such VRF, and we weren't asked to create one */ - return VNET_API_ERROR_NO_SUCH_FIB; - } + return VNET_API_ERROR_NO_SUCH_FIB; } } diff --git a/src/vnet/mfib/mfib_table.h b/src/vnet/mfib/mfib_table.h index 6a5810291fc..4c1077f900d 100644 --- a/src/vnet/mfib/mfib_table.h +++ b/src/vnet/mfib/mfib_table.h @@ -347,7 +347,6 @@ extern u32 mfib_table_find_or_create_and_lock_w_name(fib_protocol_t proto, mfib_source_t source, const u8 *name); - /** * @brief * Take a reference counting lock on the table diff --git a/src/vnet/mpls/mpls.api b/src/vnet/mpls/mpls.api index 3c817db1306..8cc1ea88a9a 100644 --- a/src/vnet/mpls/mpls.api +++ b/src/vnet/mpls/mpls.api @@ -22,7 +22,6 @@ vl_api_version 1.0.0 @param mb_mpls_table_id - The MPLS table-id the MPLS entry will be added in @param mb_label - The MPLS label value to bind @param mb_ip_table_id - The IP table-id of the IP prefix to bind to. - @param mb_create_table_if_needed - Create either/both tables if required. @param mb_is_bind - Bind or unbind @param mb_is_ip4 - The prefix to bind to is IPv4 @param mb_address_length - Length of IP prefix @@ -35,7 +34,6 @@ autoreply define mpls_ip_bind_unbind u32 mb_mpls_table_id; u32 mb_label; u32 mb_ip_table_id; - u8 mb_create_table_if_needed; u8 mb_is_bind; u8 mb_is_ip4; u8 mb_address_length; @@ -164,8 +162,6 @@ autoreply define mpls_table_add_del @param mr_table_id - The MPLS table-id the route is added in @param mr_classify_table_index - If this is a classify route, this is the classify table index - @param mr_create_table_if_needed - If the MPLS or IP tables do not exist, - create them @param mr_is_add - Is this a route add or delete @param mr_is_classify - Is this route result a classify @param mr_is_multicast - Is this a multicast route @@ -193,7 +189,6 @@ autoreply define mpls_route_add_del u8 mr_eos; u32 mr_table_id; u32 mr_classify_table_index; - u8 mr_create_table_if_needed; u8 mr_is_add; u8 mr_is_classify; u8 mr_is_multicast; diff --git a/test/test_dvr.py b/test/test_dvr.py index 27522a54eea..03c23ac1d03 100644 --- a/test/test_dvr.py +++ b/test/test_dvr.py @@ -83,8 +83,6 @@ class TestDVR(VppTestCase): L2_VTR_OP.L2_POP_1, 93) - self.logger.error(self.vapi.ppcli("show bridge-domain 1 detail")) - # # Add routes to bridge the traffic via a tagged an nontagged interface # diff --git a/test/test_srv6.py b/test/test_srv6.py index a31b30eb619..4c463808151 100644 --- a/test/test_srv6.py +++ b/test/test_srv6.py @@ -4,7 +4,7 @@ import unittest from socket import AF_INET6 from framework import VppTestCase, VppTestRunner -from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto +from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto, VppIpTable from vpp_srv6 import SRv6LocalSIDBehaviors, VppSRv6LocalSID, VppSRv6Policy, \ SRv6PolicyType, VppSRv6Steering, SRv6PolicySteeringTypes @@ -100,6 +100,19 @@ class TestSRv6(VppTestCase): # create 'count' pg interfaces self.create_pg_interfaces(range(count)) + # create all tables + self.tables = [] + ids = sorted(set(ipv4_table_id)) + for i in range(len(ids)): + if 0 != ids[i]: + self.tables.append(VppIpTable(self, ids[i])) + ids = sorted(set(ipv6_table_id)) + for i in range(len(ids)): + if 0 != ids[i]: + self.tables.append(VppIpTable(self, ids[i], is_ip6=1)) + for t in self.tables: + t.add_vpp_config() + # setup all interfaces for i in range(count): intf = self.pg_interfaces[i] @@ -124,8 +137,10 @@ class TestSRv6(VppTestCase): # AFAIK they cannot be deleted for i in self.pg_interfaces: self.logger.debug("Tear down interface %s" % (i.name)) - i.admin_down() i.unconfig() + i.set_table_ip4(0) + i.set_table_ip6(0) + i.admin_down() def test_SRv6_T_Encaps(self): """ Test SRv6 Transit.Encaps behavior for IPv6.