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authorPavel Kotucek <pkotucek@cisco.com>2017-01-25 08:45:38 +0100
committerDamjan Marion <dmarion.lists@gmail.com>2017-01-27 20:52:33 +0000
commitd9aad2940530e63aa3f91194e0997a2f9307433c (patch)
treebcb15b147ee6cb2cb9ed7de21e976f1b8061013e /src/vnet/policer
parentd04b60bfa940e21ab4676a1cb3c15989748be40a (diff)
API refactoring : policer
Change-Id: Ia7d8b557bcdf45eb8e33bb3d297bc6f7ad321c72 Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
Diffstat (limited to 'src/vnet/policer')
-rw-r--r--src/vnet/policer/policer.api147
-rw-r--r--src/vnet/policer/policer_api.c232
2 files changed, 379 insertions, 0 deletions
diff --git a/src/vnet/policer/policer.api b/src/vnet/policer/policer.api
new file mode 100644
index 00000000000..26c69032907
--- /dev/null
+++ b/src/vnet/policer/policer.api
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2015-2016 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.
+ */
+
+/** \brief Add/del policer
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param is_add - add policer if non-zero, else delete
+ @param name - policer name
+ @param cir - CIR
+ @param eir - EIR
+ @param cb - Committed Burst
+ @param eb - Excess or Peak Burst
+ @param rate_type - rate type
+ @param round_type - rounding type
+ @param type - policer algorithm
+ @param color_aware - 0=color-blind, 1=color-aware
+ @param conform_action_type - conform action type
+ @param conform_dscp - DSCP for conform mar-and-transmit action
+ @param exceed_action_type - exceed action type
+ @param exceed_dscp - DSCP for exceed mar-and-transmit action
+ @param violate_action_type - violate action type
+ @param violate_dscp - DSCP for violate mar-and-transmit action
+*/
+define policer_add_del
+{
+ u32 client_index;
+ u32 context;
+
+ u8 is_add;
+ u8 name[64];
+ u32 cir;
+ u32 eir;
+ u64 cb;
+ u64 eb;
+ u8 rate_type;
+ u8 round_type;
+ u8 type;
+ u8 color_aware;
+ u8 conform_action_type;
+ u8 conform_dscp;
+ u8 exceed_action_type;
+ u8 exceed_dscp;
+ u8 violate_action_type;
+ u8 violate_dscp;
+};
+
+/** \brief Add/del policer response
+ @param context - sender context, to match reply w/ request
+ @param retval - return value for request
+ @param policer_index - for add, returned index of the new policer
+*/
+define policer_add_del_reply
+{
+ u32 context;
+ i32 retval;
+ u32 policer_index;
+};
+
+/** \brief Get list of policers
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param match_name_valid - if 0 request all policers otherwise use match_name
+ @param match_name - policer name
+*/
+define policer_dump
+{
+ u32 client_index;
+ u32 context;
+
+ u8 match_name_valid;
+ u8 match_name[64];
+};
+
+/** \brief Policer operational state response.
+ @param context - sender context, to match reply w/ request
+ @param name - policer name
+ @param cir - CIR
+ @param eir - EIR
+ @param cb - Committed Burst
+ @param eb - Excess or Peak Burst
+ @param rate_type - rate type
+ @param round_type - rounding type
+ @param type - policer algorithm
+ @param conform_action_type - conform action type
+ @param conform_dscp - DSCP for conform mar-and-transmit action
+ @param exceed_action_type - exceed action type
+ @param exceed_dscp - DSCP for exceed mar-and-transmit action
+ @param violate_action_type - violate action type
+ @param violate_dscp - DSCP for violate mar-and-transmit action
+ @param single_rate - 1 = single rate policer, 0 = two rate policer
+ @param color_aware - for hierarchical policing
+ @param scale - power-of-2 shift amount for lower rates
+ @param cir_tokens_per_period - number of tokens for each period
+ @param pir_tokens_per_period - number of tokens for each period for 2-rate policer
+ @param current_limit - current limit
+ @param current_bucket - current bucket
+ @param extended_limit - extended limit
+ @param extended_bucket - extended bucket
+ @param last_update_time - last update time
+*/
+define policer_details
+{
+ u32 context;
+
+ u8 name[64];
+ u32 cir;
+ u32 eir;
+ u64 cb;
+ u64 eb;
+ u8 rate_type;
+ u8 round_type;
+ u8 type;
+ u8 conform_action_type;
+ u8 conform_dscp;
+ u8 exceed_action_type;
+ u8 exceed_dscp;
+ u8 violate_action_type;
+ u8 violate_dscp;
+ u8 single_rate;
+ u8 color_aware;
+ u32 scale;
+ u32 cir_tokens_per_period;
+ u32 pir_tokens_per_period;
+ u32 current_limit;
+ u32 current_bucket;
+ u32 extended_limit;
+ u32 extended_bucket;
+ u64 last_update_time;
+};
+
+/*
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/policer/policer_api.c b/src/vnet/policer/policer_api.c
new file mode 100644
index 00000000000..fb5f08b890d
--- /dev/null
+++ b/src/vnet/policer/policer_api.c
@@ -0,0 +1,232 @@
+/*
+ *------------------------------------------------------------------
+ * policer_api.c - policer api
+ *
+ * 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/vnet.h>
+#include <vlibmemory/api.h>
+
+#include <vnet/interface.h>
+#include <vnet/api_errno.h>
+#include <vnet/policer/policer.h>
+
+#include <vnet/vnet_msg_enum.h>
+
+#define vl_typedefs /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vnet/vnet_all_api_h.h>
+#undef vl_printfun
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_vpe_api_msg \
+_(POLICER_ADD_DEL, policer_add_del) \
+_(POLICER_DUMP, policer_dump)
+
+static void
+vl_api_policer_add_del_t_handler (vl_api_policer_add_del_t * mp)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vl_api_policer_add_del_reply_t *rmp;
+ int rv = 0;
+ u8 *name = NULL;
+ sse2_qos_pol_cfg_params_st cfg;
+ clib_error_t *error;
+ u32 policer_index;
+
+ name = format (0, "%s", mp->name);
+
+ memset (&cfg, 0, sizeof (cfg));
+ cfg.rfc = mp->type;
+ cfg.rnd_type = mp->round_type;
+ cfg.rate_type = mp->rate_type;
+ cfg.rb.kbps.cir_kbps = mp->cir;
+ cfg.rb.kbps.eir_kbps = mp->eir;
+ cfg.rb.kbps.cb_bytes = mp->cb;
+ cfg.rb.kbps.eb_bytes = mp->eb;
+ cfg.conform_action.action_type = mp->conform_action_type;
+ cfg.conform_action.dscp = mp->conform_dscp;
+ cfg.exceed_action.action_type = mp->exceed_action_type;
+ cfg.exceed_action.dscp = mp->exceed_dscp;
+ cfg.violate_action.action_type = mp->violate_action_type;
+ cfg.violate_action.dscp = mp->violate_dscp;
+ cfg.color_aware = mp->color_aware;
+
+ error = policer_add_del (vm, name, &cfg, &policer_index, mp->is_add);
+
+ if (error)
+ rv = VNET_API_ERROR_UNSPECIFIED;
+
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_POLICER_ADD_DEL_REPLY,
+ ({
+ if (rv == 0 && mp->is_add)
+ rmp->policer_index = ntohl(policer_index);
+ else
+ rmp->policer_index = ~0;
+ }));
+ /* *INDENT-ON* */
+}
+
+static void
+send_policer_details (u8 * name,
+ sse2_qos_pol_cfg_params_st * config,
+ policer_read_response_type_st * templ,
+ unix_shared_memory_queue_t * q, u32 context)
+{
+ vl_api_policer_details_t *mp;
+
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_POLICER_DETAILS);
+ mp->context = context;
+ mp->cir = htonl (config->rb.kbps.cir_kbps);
+ mp->eir = htonl (config->rb.kbps.eir_kbps);
+ mp->cb = htonl (config->rb.kbps.cb_bytes);
+ mp->eb = htonl (config->rb.kbps.eb_bytes);
+ mp->rate_type = config->rate_type;
+ mp->round_type = config->rnd_type;
+ mp->type = config->rfc;
+ mp->conform_action_type = config->conform_action.action_type;
+ mp->conform_dscp = config->conform_action.dscp;
+ mp->exceed_action_type = config->exceed_action.action_type;
+ mp->exceed_dscp = config->exceed_action.dscp;
+ mp->violate_action_type = config->violate_action.action_type;
+ mp->violate_dscp = config->violate_action.dscp;
+ mp->single_rate = templ->single_rate ? 1 : 0;
+ mp->color_aware = templ->color_aware ? 1 : 0;
+ mp->scale = htonl (templ->scale);
+ mp->cir_tokens_per_period = htonl (templ->cir_tokens_per_period);
+ mp->pir_tokens_per_period = htonl (templ->pir_tokens_per_period);
+ mp->current_limit = htonl (templ->current_limit);
+ mp->current_bucket = htonl (templ->current_bucket);
+ mp->extended_limit = htonl (templ->extended_limit);
+ mp->extended_bucket = htonl (templ->extended_bucket);
+ mp->last_update_time = clib_host_to_net_u64 (templ->last_update_time);
+
+ strncpy ((char *) mp->name, (char *) name, ARRAY_LEN (mp->name) - 1);
+
+ vl_msg_api_send_shmem (q, (u8 *) & mp);
+}
+
+static void
+vl_api_policer_dump_t_handler (vl_api_policer_dump_t * mp)
+{
+ unix_shared_memory_queue_t *q;
+ vnet_policer_main_t *pm = &vnet_policer_main;
+ hash_pair_t *hp;
+ uword *p;
+ u32 pool_index;
+ u8 *match_name = 0;
+ u8 *name;
+ sse2_qos_pol_cfg_params_st *config;
+ policer_read_response_type_st *templ;
+
+ q = vl_api_client_index_to_input_queue (mp->client_index);
+ if (q == 0)
+ return;
+
+ if (mp->match_name_valid)
+ {
+ match_name = format (0, "%s%c", mp->match_name, 0);
+ }
+
+ if (mp->match_name_valid)
+ {
+ p = hash_get_mem (pm->policer_config_by_name, match_name);
+ if (p)
+ {
+ pool_index = p[0];
+ config = pool_elt_at_index (pm->configs, pool_index);
+ templ = pool_elt_at_index (pm->policer_templates, pool_index);
+ send_policer_details (match_name, config, templ, q, mp->context);
+ }
+ }
+ else
+ {
+ /* *INDENT-OFF* */
+ hash_foreach_pair (hp, pm->policer_config_by_name,
+ ({
+ name = (u8 *) hp->key;
+ pool_index = hp->value[0];
+ config = pool_elt_at_index (pm->configs, pool_index);
+ templ = pool_elt_at_index (pm->policer_templates, pool_index);
+ send_policer_details(name, config, templ, q, mp->context);
+ }));
+ /* *INDENT-ON* */
+ }
+}
+
+/*
+ * policer_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has alread mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+#define vl_msg_name_crc_list
+#include <vnet/vnet_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+ foreach_vl_msg_name_crc_policer;
+#undef _
+}
+
+static clib_error_t *
+policer_api_hookup (vlib_main_t * vm)
+{
+ api_main_t *am = &api_main;
+
+#define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N, #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_msg;
+#undef _
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (policer_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */