interface: shmemioerror while getting name_filter arg - vpp

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author	Aleksander Djuric <aleksander.djuric@gmail.com>	2019-10-31 14:35:21 +0300
committer	Paul Vinciguerra <pvinci@vinciconsulting.com>	2019-11-07 14:39:02 +0000
commit	c12eae73f925169597e20a8f8139c462e317404d (patch)
tree	6b61934b5216ec50d862b67a6ba8079ea9536ae3 /src/vnet/config.c
parent	3f8c87132d63c14f1ba90d7db6cf2a2aba0f8cb9 (diff)

interface: shmemioerror while getting name_filter arg

Type: fix Signed-off-by: Aleksander Djuric <aleksander.djuric@gmail.com> Change-Id: I5e0eb7024d208040d79e9d6db863f41e2ecf4ee6 Signed-off-by: Ole Troan <ot@cisco.com>

Diffstat (limited to 'src/vnet/config.c')

0 files changed, 0 insertions, 0 deletions

/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <vlib/vlib.h> #include <vnet/vnet.h> #include <vnet/pg/pg.h> #include <vppinfra/error.h> #include <vpp/app/version.h> #include <vnet/ip/ip6.h> #include <vnet/ip/ip6_hop_by_hop.h> #include <vnet/ip/ip6_hop_by_hop_packet.h> #include <vppinfra/hash.h> #include <vppinfra/error.h> #include <vppinfra/elog.h> #include <vnet/plugin/plugin.h> #include <ioam/lib-trace/trace_util.h> #include <ioam/lib-trace/trace_config.h> #include <ioam/encap/ip6_ioam_trace.h> #include <ioam/udp-ping/udp_ping.h> #include <ioam/udp-ping/udp_ping_packet.h> #include <ioam/udp-ping/udp_ping_util.h> /* Timestamp precision multipliers for seconds, milliseconds, microseconds * and nanoseconds respectively. */ static f64 trace_tsp_mul[4] = { 1, 1e3, 1e6, 1e9 }; typedef union { u64 as_u64; u32 as_u32[2]; } time_u64_t; extern ip6_hop_by_hop_ioam_main_t ip6_hop_by_hop_ioam_main; extern ip6_main_t ip6_main; #define foreach_ip6_hop_by_hop_ioam_trace_stats \ _(PROCESSED, "Pkts with ip6 hop-by-hop trace options") \ _(PROFILE_MISS, "Pkts with ip6 hop-by-hop trace options but no profile set") \ _(UPDATED, "Pkts with trace updated") \ _(FULL, "Pkts with trace options but no space") \ _(LOOPBACK, "Pkts with trace options Loopback") \ _(LOOPBACK_REPLY, "Pkts with trace options Loopback Reply") static char *ip6_hop_by_hop_ioam_trace_stats_strings[] = { #define _(sym,string) string, foreach_ip6_hop_by_hop_ioam_trace_stats #undef _ }; typedef enum { #define _(sym,str) IP6_IOAM_TRACE_##sym, foreach_ip6_hop_by_hop_ioam_trace_stats #undef _ IP6_IOAM_TRACE_N_STATS, } ip6_ioam_trace_stats_t; typedef struct { /* stats */ u64 counters[ARRAY_LEN (ip6_hop_by_hop_ioam_trace_stats_strings)]; /* convenience */ vlib_main_t *vlib_main; vnet_main_t *vnet_main; } ip6_hop_by_hop_ioam_trace_main_t; ip6_hop_by_hop_ioam_trace_main_t ip6_hop_by_hop_ioam_trace_main; always_inline void ip6_ioam_trace_stats_increment_counter (u32 counter_index, u64 increment) { ip6_hop_by_hop_ioam_trace_main_t *hm = &ip6_hop_by_hop_ioam_trace_main; hm->counters[counter_index] += increment; } static u8 * format_ioam_data_list_element (u8 * s, va_list * args) { u32 *elt = va_arg (*args, u32 *); u8 *trace_type_p = va_arg (*args, u8 *); u8 trace_type = *trace_type_p; if (trace_type & BIT_TTL_NODEID) { u32 ttl_node_id_host_byte_order = clib_net_to_host_u32 (*elt); s = format (s, "ttl 0x%x node id 0x%x ", ttl_node_id_host_byte_order >> 24, ttl_node_id_host_byte_order & 0x00FFFFFF); elt++; } if (trace_type & BIT_ING_INTERFACE && trace_type & BIT_ING_INTERFACE) { u32 ingress_host_byte_order = clib_net_to_host_u32 (*elt); s = format (s, "ingress 0x%x egress 0x%x ", ingress_host_byte_order >> 16, ingress_host_byte_order & 0xFFFF); elt++; } if (trace_type & BIT_TIMESTAMP) { u32 ts_in_host_byte_order = clib_net_to_host_u32 (*elt); s = format (s, "ts 0x%x \n", ts_in_host_byte_order); elt++; } if (trace_type & BIT_APPDATA) { u32 appdata_in_host_byte_order = clib_net_to_host_u32 (*elt); s = format (s, "app 0x%x ", appdata_in_host_byte_order); elt++; } return s; } int ip6_ioam_trace_get_sizeof_handler (u32 * result) { u16 size = 0; u8 trace_data_size = 0; trace_profile *profile = NULL; *result = 0; profile = trace_profile_find (); if (PREDICT_FALSE (!profile)) { ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1); return (-1); } trace_data_size = fetch_trace_data_size (profile->trace_type); if (PREDICT_FALSE (trace_data_size == 0)) return VNET_API_ERROR_INVALID_VALUE; if (PREDICT_FALSE (profile->num_elts * trace_data_size > 254)) return VNET_API_ERROR_INVALID_VALUE; size += sizeof (ioam_trace_option_t) + (profile->num_elts * trace_data_size); *result = size; return 0; } int ip6_hop_by_hop_ioam_trace_rewrite_handler (u8 * rewrite_string, u8 * rewrite_size) { ioam_trace_option_t *trace_option = NULL; u8 trace_data_size = 0; u8 trace_option_elts = 0; trace_profile *profile = NULL; profile = trace_profile_find (); if (PREDICT_FALSE (!profile)) { ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1); return (-1); } if (PREDICT_FALSE (!rewrite_string)) return -1; trace_option_elts = profile->num_elts; trace_data_size = fetch_trace_data_size (profile->trace_type); trace_option = (ioam_trace_option_t *) rewrite_string; trace_option->hdr.type = HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST | HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE; trace_option->hdr.length = 2 /*ioam_trace_type,data_list_elts_left */ + trace_option_elts * trace_data_size; trace_option->trace_hdr.ioam_trace_type = profile->trace_type & TRACE_TYPE_MASK; trace_option->trace_hdr.data_list_elts_left = trace_option_elts; *rewrite_size = sizeof (ioam_trace_option_t) + (trace_option_elts * trace_data_size); return 0; } always_inline void ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip, ioam_trace_option_t * trace) { u32 buf_index; ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main; vlib_buffer_t *b0; vlib_frame_t *nf = 0; u32 *to_next; vlib_node_t *next_node; ip6_header_t *ip6; ip6_hop_by_hop_header_t *hbh; ioam_trace_option_t *opt; udp_ping_t *udp; next_node = vlib_get_node_by_name (hm->vlib_main, (u8 *) "ip6-lookup"); nf = vlib_get_frame_to_node (hm->vlib_main, next_node->index); nf->n_vectors = 0; to_next = vlib_frame_vector_args (nf); b0 = vlib_buffer_copy (hm->vlib_main, b); buf_index = vlib_get_buffer_index (hm->vlib_main, b0); vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0; vnet_buffer (b0)->sw_if_index[VLIB_TX] = ~0; ip6 = vlib_buffer_get_current (b0); hbh = (ip6_hop_by_hop_header_t *) (ip6 + 1); opt = (ioam_trace_option_t *) ip6_hbh_get_option (hbh, HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST); udp = (udp_ping_t *) ((u8 *) hbh + ((hbh->length + 1) << 3)); udp_ping_create_reply_from_probe_ip6 (ip6, hbh, udp); ip6_hbh_ioam_trace_set_bit (opt, BIT_LOOPBACK_REPLY); *to_next = buf_index; nf->n_vectors++; to_next++; vlib_put_frame_to_node (hm->vlib_main, next_node->index, nf); ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_LOOPBACK, 1); } int ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t * b, ip6_header_t * ip, ip6_hop_by_hop_option_t * opt) { ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main; u8 elt_index = 0; ioam_trace_option_t *trace = (ioam_trace_option_t *) opt; u32 adj_index = vnet_buffer (b)->ip.adj_index[VLIB_TX]; ip_adjacency_t *adj = adj_get (adj_index); time_u64_t time_u64; u32 *elt; int rv = 0; trace_profile *profile = NULL; profile = trace_profile_find (); if (PREDICT_FALSE (!profile)) { ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1); return (-1); } /* Don't trace loopback reply packets */ if (trace->trace_hdr.ioam_trace_type & BIT_LOOPBACK_REPLY) { ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_LOOPBACK_REPLY, 1); return rv; } time_u64.as_u64 = 0; if (PREDICT_TRUE (trace->trace_hdr.data_list_elts_left)) { trace->trace_hdr.data_list_elts_left--; /* fetch_trace_data_size returns in bytes. Convert it to 4-bytes * to skip to this node's location. */ elt_index = trace->trace_hdr.data_list_elts_left * fetch_trace_data_size (trace->trace_hdr.ioam_trace_type) / 4; elt = &trace->trace_hdr.elts[elt_index]; if (trace->trace_hdr.ioam_trace_type & BIT_TTL_NODEID) { *elt = clib_host_to_net_u32 ((ip->hop_limit << 24) | profile->node_id); elt++; } if (trace->trace_hdr.ioam_trace_type & BIT_ING_INTERFACE) { *elt = (vnet_buffer (b)->sw_if_index[VLIB_RX] & 0xFFFF) << 16 | (adj->rewrite_header.sw_if_index & 0xFFFF); *elt = clib_host_to_net_u32 (*elt); elt++; } if (trace->trace_hdr.ioam_trace_type & BIT_TIMESTAMP) { /* Send least significant 32 bits */ f64 time_f64 = (f64) (((f64) hm->unix_time_0) + (vlib_time_now (hm->vlib_main) - hm->vlib_time_0)); time_u64.as_u64 = time_f64 * trace_tsp_mul[profile->trace_tsp]; *elt = clib_host_to_net_u32 (time_u64.as_u32[0]); elt++; } if (trace->trace_hdr.ioam_trace_type & BIT_APPDATA) { /* $$$ set elt0->app_data */ *elt = clib_host_to_net_u32 (profile->app_data); elt++; } if (PREDICT_FALSE (trace->trace_hdr.ioam_trace_type & BIT_LOOPBACK)) { /* if loopback flag set then copy the packet * and send it back to source */ ip6_hbh_ioam_loopback_handler (b, ip, trace); } ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_UPDATED, 1); } else { ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_FULL, 1); } return (rv); } u8 * ip6_hbh_ioam_trace_data_list_trace_handler (u8 * s, ip6_hop_by_hop_option_t * opt) { ioam_trace_option_t *trace; u8 trace_data_size_in_words = 0; u32 *elt; int elt_index = 0; trace = (ioam_trace_option_t *) opt; s = format (s, " Trace Type 0x%x , %d elts left\n", trace->trace_hdr.ioam_trace_type, trace->trace_hdr.data_list_elts_left); trace_data_size_in_words = fetch_trace_data_size (trace->trace_hdr.ioam_trace_type) / 4; elt = &trace->trace_hdr.elts[0]; while ((u8 *) elt < ((u8 *) (&trace->trace_hdr.elts[0]) + trace->hdr.length - 2 /* -2 accounts for ioam_trace_type,elts_left */ )) { s = format (s, " [%d] %U\n", elt_index, format_ioam_data_list_element, elt, &trace->trace_hdr.ioam_trace_type); elt_index++; elt += trace_data_size_in_words; } return (s); } static clib_error_t * ip6_show_ioam_trace_cmd_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { ip6_hop_by_hop_ioam_trace_main_t *hm = &ip6_hop_by_hop_ioam_trace_main; u8 *s = 0; int i = 0; for (i = 0; i < IP6_IOAM_TRACE_N_STATS; i++) { s = format (s, " %s - %lu\n", ip6_hop_by_hop_ioam_trace_stats_strings[i], hm->counters[i]); } vlib_cli_output (vm, "%v", s); vec_free (s); return 0; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (ip6_show_ioam_trace_cmd, static) = { .path = "show ioam trace", .short_help = "iOAM trace statistics", .function = ip6_show_ioam_trace_cmd_fn, }; /* *INDENT-ON* */ /* *INDENT-OFF* */ VLIB_PLUGIN_REGISTER () = { .version = VPP_BUILD_VER, .description = "Inbound Operations, Administration, and Maintenance (OAM)", }; /* *INDENT-ON* */ static clib_error_t * ip6_hop_by_hop_ioam_trace_init (vlib_main_t * vm) { ip6_hop_by_hop_ioam_trace_main_t *hm = &ip6_hop_by_hop_ioam_trace_main; hm->vlib_main = vm; hm->vnet_main = vnet_get_main (); clib_memset (hm->counters, 0, sizeof (hm->counters)); if (ip6_hbh_register_option (HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST, ip6_hbh_ioam_trace_data_list_handler, ip6_hbh_ioam_trace_data_list_trace_handler) < 0) return (clib_error_create ("registration of HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST failed")); if (ip6_hbh_add_register_option (HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST, sizeof (ioam_trace_option_t), ip6_hop_by_hop_ioam_trace_rewrite_handler) < 0) return (clib_error_create ("registration of HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST for rewrite failed")); return (0); } /* *INDENT-OFF* */ VLIB_INIT_FUNCTION (ip6_hop_by_hop_ioam_trace_init) = { .runs_after = VLIB_INITS ("ip_main_init", "ip6_lookup_init", "ip6_hop_by_hop_ioam_init"), }; /* *INDENT-ON* */ int ip6_trace_profile_cleanup (void) { ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main; hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = 0; return 0; } int ip6_trace_profile_setup (void) { u32 trace_size = 0; ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main; trace_profile *profile = NULL; profile = trace_profile_find (); if (PREDICT_FALSE (!profile)) { ip6_ioam_trace_stats_increment_counter (IP6_IOAM_TRACE_PROFILE_MISS, 1); return (-1); } if (ip6_ioam_trace_get_sizeof_handler (&trace_size) < 0) return (-1); hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] = trace_size; return (0); } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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