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authorjiangxiaoming <jiangxiaoming@outlook.com>2020-10-13 14:23:29 +0800
committerFlorin Coras <florin.coras@gmail.com>2020-10-14 01:15:48 +0000
commitb438c763a10649a88ba2bed8795abf97af2a0b0d (patch)
tree85081cf71714d66661c6fae6fec553a4df27d505 /src
parent3e2ec42a07ae51aed54e63d05e743a338c666e30 (diff)
vcl: app_name format type error
Type: fix Signed-off-by: jiangxiaoming <jiangxiaoming@outlook.com> Change-Id: I9f017ec84320ebc56f557385d73893ecf8f25bcd
Diffstat (limited to 'src')
-rw-r--r--src/vcl/vcl_bapi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c
index 81311774538..2e17dab6887 100644
--- a/src/vcl/vcl_bapi.c
+++ b/src/vcl/vcl_bapi.c
@@ -466,7 +466,7 @@ vcl_bapi_connect_to_vpp (void)
api_main_t *am;
u8 *wrk_name;
- wrk_name = format (0, "%s-wrk-%u%c", vcm->app_name, wrk->wrk_index, 0);
+ wrk_name = format (0, "%v-wrk-%u%c", vcm->app_name, wrk->wrk_index, 0);
/* Make sure api is cleaned up in case this is a connect from a
* forked worker */
id='n158' href='#n158'>158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 
/*
 * 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 <vnet/adj/adj.h>
#include <vnet/adj/adj_internal.h>
#include <vnet/fib/fib_walk.h>

/*
 * The 'DB' of all glean adjs.
 * There is only one glean per-interface per-protocol, so this is a per-interface
 * vector
 */
static adj_index_t *adj_gleans[FIB_PROTOCOL_MAX];

static inline vlib_node_registration_t*
adj_get_glean_node (fib_protocol_t proto)
{
    switch (proto) {
    case FIB_PROTOCOL_IP4:
	return (&ip4_glean_node);
    case FIB_PROTOCOL_IP6:
	return (&ip6_glean_node);
    case FIB_PROTOCOL_MPLS:
	break;
    }
    ASSERT(0);
    return (NULL);
}

/*
 * adj_glean_add_or_lock
 *
 * The next_hop address here is used for source address selection in the DP.
 * The glean 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_glean_add_or_lock (fib_protocol_t proto,
		       u32 sw_if_index,
		       const ip46_address_t *nh_addr)
{
    ip_adjacency_t * adj;

    vec_validate_init_empty(adj_gleans[proto], sw_if_index, ADJ_INDEX_INVALID);

    if (ADJ_INDEX_INVALID == adj_gleans[proto][sw_if_index])
    {
	adj = adj_alloc(proto);

	adj->lookup_next_index = IP_LOOKUP_NEXT_GLEAN;
	adj->ia_nh_proto = proto;
	adj_gleans[proto][sw_if_index] = adj_get_index(adj);

	if (NULL != nh_addr)
	{
	    adj->sub_type.glean.receive_addr = *nh_addr;
	}

	adj->rewrite_header.data_bytes = 0;

	vnet_rewrite_for_sw_interface(vnet_get_main(),
				      adj_fib_proto_2_nd(proto),
				      sw_if_index,
				      adj_get_glean_node(proto)->index,
				      VNET_REWRITE_FOR_SW_INTERFACE_ADDRESS_BROADCAST,
				      &adj->rewrite_header,
				      sizeof (adj->rewrite_data));
    }
    else
    {
	adj = adj_get(adj_gleans[proto][sw_if_index]);
    }

    adj_lock(adj_get_index(adj));

    return (adj_get_index(adj));
}

void
adj_glean_remove (fib_protocol_t proto,
		  u32 sw_if_index)
{
    ASSERT(sw_if_index < vec_len(adj_gleans[proto]));

    adj_gleans[proto][sw_if_index] = ADJ_INDEX_INVALID;
}

static clib_error_t *
adj_glean_interface_state_change (vnet_main_t * vnm,
				  u32 sw_if_index,
				  u32 flags)
{
    /*
     * for each glean on the interface trigger a walk back to the children
     */
    fib_protocol_t proto;
    ip_adjacency_t *adj;


    for (proto = FIB_PROTOCOL_IP4; proto <= FIB_PROTOCOL_IP6; proto++)
    {
	if (sw_if_index >= vec_len(adj_gleans[proto]) ||
	    ADJ_INDEX_INVALID == adj_gleans[proto][sw_if_index])
	    continue;

	adj = adj_get(adj_gleans[proto][sw_if_index]);

	fib_node_back_walk_ctx_t bw_ctx = {
	    .fnbw_reason = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP ?
			    FIB_NODE_BW_REASON_FLAG_INTERFACE_UP :
			    FIB_NODE_BW_REASON_FLAG_INTERFACE_DOWN),
	};

	fib_walk_sync(FIB_NODE_TYPE_ADJ, adj_get_index(adj), &bw_ctx);
    }

    return (NULL);
}

VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(adj_glean_interface_state_change);

/**
 * @brief Invoked on each SW interface of a HW interface when the
 * HW interface state changes
 */
static void
adj_nbr_hw_sw_interface_state_change (vnet_main_t * vnm,
                                      u32 sw_if_index,
                                      void *arg)
{
    adj_glean_interface_state_change(vnm, sw_if_index, (uword) arg);
}

/**
 * @brief Registered callback for HW interface state changes
 */
static clib_error_t *
adj_glean_hw_interface_state_change (vnet_main_t * vnm,
                                     u32 hw_if_index,
                                     u32 flags)
{
    /*
     * walk SW interfaces on the HW
     */
    uword sw_flags;

    sw_flags = ((flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
                VNET_SW_INTERFACE_FLAG_ADMIN_UP :
                0);

    vnet_hw_interface_walk_sw(vnm, hw_if_index,
                              adj_nbr_hw_sw_interface_state_change,
                              (void*) sw_flags);

    return (NULL);
}

VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(
    adj_glean_hw_interface_state_change);

static clib_error_t *
adj_glean_interface_delete (vnet_main_t * vnm,
			    u32 sw_if_index,
			    u32 is_add)
{
    /*
     * for each glean on the interface trigger a walk back to the children
     */
    fib_protocol_t proto;
    ip_adjacency_t *adj;

    if (is_add)
    {
	/*
	 * not interested in interface additions. we will not back walk
	 * to resolve paths through newly added interfaces. Why? The control
	 * plane should have the brains to add interfaces first, then routes.
	 * So the case where there are paths with a interface that matches
	 * one just created is the case where the path resolved through an
	 * interface that was deleted, and still has not been removed. The
	 * new interface added, is NO GUARANTEE that the interface being
	 * added now, even though it may have the same sw_if_index, is the
	 * same interface that the path needs. So tough!
	 * If the control plane wants these routes to resolve it needs to
	 * remove and add them again.
	 */
	return (NULL);
    }

    for (proto = FIB_PROTOCOL_IP4; proto <= FIB_PROTOCOL_IP6; proto++)
    {
	if (sw_if_index >= vec_len(adj_gleans[proto]) ||
	    ADJ_INDEX_INVALID == adj_gleans[proto][sw_if_index])
	    continue;

	adj = adj_get(adj_gleans[proto][sw_if_index]);

	fib_node_back_walk_ctx_t bw_ctx = {
	    .fnbw_reason =  FIB_NODE_BW_REASON_FLAG_INTERFACE_DELETE,
	};

	fib_walk_sync(FIB_NODE_TYPE_ADJ, adj_get_index(adj), &bw_ctx);
    }

    return (NULL);
}

VNET_SW_INTERFACE_ADD_DEL_FUNCTION(adj_glean_interface_delete);

u8*
format_adj_glean (u8* s, va_list *ap)
{
    index_t index = va_arg(*ap, index_t);
    CLIB_UNUSED(u32 indent) = va_arg(*ap, u32);
    vnet_main_t * vnm = vnet_get_main();
    ip_adjacency_t * adj = adj_get(index);

    return (format(s, "%U-glean: %U",
		   format_fib_protocol, adj->ia_nh_proto,
                   format_vnet_sw_interface_name,
                   vnm,
                   vnet_get_sw_interface(vnm,
                                         adj->rewrite_header.sw_if_index)));
}


static void
adj_dpo_lock (dpo_id_t *dpo)
{
    adj_lock(dpo->dpoi_index);
}
static void
adj_dpo_unlock (dpo_id_t *dpo)
{
    adj_unlock(dpo->dpoi_index);
}

const static dpo_vft_t adj_glean_dpo_vft = {
    .dv_lock = adj_dpo_lock,
    .dv_unlock = adj_dpo_unlock,
    .dv_format = format_adj_glean,
    .dv_get_urpf = adj_dpo_get_urpf,
};

/**
 * @brief The per-protocol VLIB graph nodes that are assigned to a glean
 *        object.
 *
 * this means that these graph nodes are ones from which a glean is the
 * parent object in the DPO-graph.
 */
const static char* const glean_ip4_nodes[] =
{
    "ip4-glean",
    NULL,
};
const static char* const glean_ip6_nodes[] =
{
    "ip6-glean",
    NULL,
};

const static char* const * const glean_nodes[DPO_PROTO_NUM] =
{
    [DPO_PROTO_IP4]  = glean_ip4_nodes,
    [DPO_PROTO_IP6]  = glean_ip6_nodes,
    [DPO_PROTO_MPLS] = NULL,
};

void
adj_glean_module_init (void)
{
    dpo_register(DPO_ADJACENCY_GLEAN, &adj_glean_dpo_vft, glean_nodes);
}