2 // Copyright (c) 2010-2017 Intel Corporation
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
20 #include <rte_cycles.h>
21 #include <rte_version.h>
24 #include "prox_lua_types.h"
25 #include "prox_malloc.h"
26 #include "task_base.h"
27 #include "task_init.h"
35 #include "prox_shared.h"
37 #if RTE_VERSION < RTE_VERSION_NUM(1,8,0,0)
38 #define RTE_CACHE_LINE_SIZE CACHE_LINE_SIZE
42 struct task_base base;
44 struct rte_meter_srtcm *sr_flows;
45 struct rte_meter_trtcm *tr_flows;
49 enum police_action police_act[3][3];
51 uint8_t runtime_flags;
54 typedef uint8_t (*hp) (struct task_police *task, struct rte_mbuf *mbuf, uint64_t tsc, uint32_t user);
56 static uint8_t handle_police(struct task_police *task, struct rte_mbuf *mbuf, uint64_t tsc, uint32_t user)
58 enum rte_meter_color in_color = e_RTE_METER_GREEN;
59 enum rte_meter_color out_color;
60 uint32_t pkt_len = rte_pktmbuf_pkt_len(mbuf) + task->overhead;
61 #if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
62 out_color = rte_meter_srtcm_color_aware_check(&task->sr_flows[user], tsc, pkt_len, in_color);
64 out_color = 0; // TODO DPDK1805
66 return task->police_act[in_color][out_color] == ACT_DROP? OUT_DISCARD : 0;
69 static uint8_t handle_police_tr(struct task_police *task, struct rte_mbuf *mbuf, uint64_t tsc, uint32_t user)
71 enum rte_meter_color in_color = e_RTE_METER_GREEN;
72 enum rte_meter_color out_color;
73 uint32_t pkt_len = rte_pktmbuf_pkt_len(mbuf) + task->overhead;
74 #if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
75 out_color = rte_meter_trtcm_color_aware_check(&task->tr_flows[user], tsc, pkt_len, in_color);
77 out_color = 0;// TODO DPDK1805
80 if (task->runtime_flags & TASK_MARK) {
81 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
82 uint32_t subport, pipe, traffic_class, queue;
83 enum rte_meter_color color;
85 rte_sched_port_pkt_read_tree_path(mbuf, &subport, &pipe, &traffic_class, &queue);
86 color = task->police_act[in_color][out_color];
88 rte_sched_port_pkt_write(mbuf, subport, pipe, traffic_class, queue, color);
90 struct rte_sched_port_hierarchy *sched =
91 (struct rte_sched_port_hierarchy *) &mbuf->pkt.hash.sched;
92 sched->color = task->police_act[in_color][out_color];
96 return task->police_act[in_color][out_color] == ACT_DROP? OUT_DISCARD : 0;
99 static inline int get_user(struct task_police *task, struct rte_mbuf *mbuf)
101 if (task->runtime_flags & TASK_CLASSIFY) {
102 struct qinq_hdr *pqinq = rte_pktmbuf_mtod(mbuf, struct qinq_hdr *);
103 return PKT_TO_LUTQINQ(pqinq->svlan.vlan_tci, pqinq->cvlan.vlan_tci);
106 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
110 rte_sched_port_pkt_read_tree_path(mbuf, &dummy, &pipe, &dummy, &dummy);
113 struct rte_sched_port_hierarchy *sched =
114 (struct rte_sched_port_hierarchy *) &mbuf->pkt.hash.sched;
119 #define PHASE1_DELAY PREFETCH_OFFSET
120 #define PHASE2_DELAY PREFETCH_OFFSET
121 #define PHASE3_DELAY PREFETCH_OFFSET
122 #define PHASE4_DELAY PREFETCH_OFFSET
124 static inline int handle_pb(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts, hp handle_police_func)
126 struct task_police *task = (struct task_police *)tbase;
128 uint64_t cur_tsc = rte_rdtsc();
130 uint8_t out[MAX_PKT_BURST];
132 for (j = 0; j < PHASE1_DELAY && j < n_pkts; ++j) {
136 for (j = 0; j < PHASE2_DELAY && j + PHASE1_DELAY < n_pkts; ++j) {
137 PREFETCH0(mbufs[j + PHASE1_DELAY]);
138 PREFETCH0(rte_pktmbuf_mtod(mbufs[j], void*));
141 for (j = 0; j < PHASE3_DELAY && j + PHASE2_DELAY + PHASE1_DELAY < n_pkts; ++j) {
142 PREFETCH0(mbufs[j + PHASE2_DELAY + PHASE1_DELAY]);
143 PREFETCH0(rte_pktmbuf_mtod(mbufs[j + PHASE2_DELAY], void*));
144 cur_user = get_user(task, mbufs[j]);
146 PREFETCH0(&task->user_table[cur_user]);
149 /* At this point, the whole pipeline is running */
150 for (j = 0; j + PHASE3_DELAY + PHASE2_DELAY + PHASE1_DELAY < n_pkts; ++j) {
151 PREFETCH0(mbufs[j + PHASE3_DELAY + PHASE2_DELAY + PHASE1_DELAY]);
152 PREFETCH0(rte_pktmbuf_mtod(mbufs[j + PHASE3_DELAY + PHASE2_DELAY], void*));
153 cur_user = get_user(task, mbufs[j + PHASE3_DELAY]);
154 user[j + PHASE3_DELAY] = cur_user;
155 PREFETCH0(&task->user_table[cur_user]);
157 out[j] = handle_police_func(task, mbufs[j], cur_tsc, task->user_table[user[j]]);
160 /* Last part of pipeline */
161 for (; j + PHASE3_DELAY + PHASE2_DELAY < n_pkts; ++j) {
162 PREFETCH0(rte_pktmbuf_mtod(mbufs[j + PHASE3_DELAY + PHASE2_DELAY], void*));
163 PREFETCH0(&task->user_table[j + PHASE3_DELAY]);
164 cur_user = get_user(task, mbufs[j + PHASE3_DELAY]);
165 user[j + PHASE3_DELAY] = cur_user;
166 PREFETCH0(&task->user_table[cur_user]);
168 out[j] = handle_police_func(task, mbufs[j], cur_tsc, task->user_table[user[j]]);
171 for (; j + PHASE3_DELAY < n_pkts; ++j) {
172 cur_user = get_user(task, mbufs[j + PHASE3_DELAY]);
173 user[j + PHASE3_DELAY] = cur_user;
174 PREFETCH0(&task->user_table[cur_user]);
176 out[j] = handle_police_func(task, mbufs[j], cur_tsc, task->user_table[user[j]]);
179 for (; j < n_pkts; ++j) {
180 out[j] = handle_police_func(task, mbufs[j], cur_tsc, task->user_table[user[j]]);
183 return task->base.tx_pkt(&task->base, mbufs, n_pkts, out);
186 static int handle_police_bulk(struct task_base *tbase, struct rte_mbuf **mbuf, uint16_t n_pkts)
188 return handle_pb(tbase, mbuf, n_pkts, handle_police);
191 static int handle_police_tr_bulk(struct task_base *tbase, struct rte_mbuf **mbuf, uint16_t n_pkts)
193 return handle_pb(tbase, mbuf, n_pkts, handle_police_tr);
196 static void init_task_police(struct task_base *tbase, struct task_args *targ)
198 struct task_police *task = (struct task_police *)tbase;
199 const int socket_id = rte_lcore_to_socket_id(targ->lconf->id);
201 #if RTE_VERSION >= RTE_VERSION_NUM(18,5,0,0)
202 plog_warn("mode police might not be supported in this prox/dpdk version\n"); // TODO DPDK1805
205 task->overhead = targ->overhead;
206 task->runtime_flags = targ->runtime_flags;
208 task->user_table = prox_sh_find_socket(socket_id, "user_table");
209 if (!task->user_table) {
210 PROX_PANIC(!strcmp(targ->user_table, ""), "No user table defined\n");
211 int ret = lua_to_user_table(prox_lua(), GLOBAL, targ->user_table, socket_id, &task->user_table);
212 PROX_PANIC(ret, "Failed to create user table from config:\n%s\n", get_lua_to_errors());
213 prox_sh_add_socket(socket_id, "user_table", task->user_table);
216 if (strcmp(targ->task_init->sub_mode_str, "trtcm")) {
217 task->sr_flows = prox_zmalloc(targ->n_flows * sizeof(*task->sr_flows), socket_id);
218 PROX_PANIC(task->sr_flows == NULL, "Failed to allocate flow contexts\n");
219 PROX_PANIC(!targ->cir, "Commited information rate is set to 0\n");
220 PROX_PANIC(!targ->cbs, "Commited information bucket size is set to 0\n");
221 PROX_PANIC(!targ->ebs, "Execess information bucket size is set to 0\n");
223 struct rte_meter_srtcm_params params = {
229 for (uint32_t i = 0; i < targ->n_flows; ++i) {
230 #if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
231 rte_meter_srtcm_config(&task->sr_flows[i], ¶ms);
238 task->tr_flows = prox_zmalloc(targ->n_flows * sizeof(*task->tr_flows), socket_id);
239 PROX_PANIC(task->tr_flows == NULL, "Failed to allocate flow contexts\n");
240 PROX_PANIC(!targ->pir, "Peak information rate is set to 0\n");
241 PROX_PANIC(!targ->cir, "Commited information rate is set to 0\n");
242 PROX_PANIC(!targ->pbs, "Peak information bucket size is set to 0\n");
243 PROX_PANIC(!targ->cbs, "Commited information bucket size is set to 0\n");
245 struct rte_meter_trtcm_params params = {
252 for (uint32_t i = 0; i < targ->n_flows; ++i) {
253 #if RTE_VERSION < RTE_VERSION_NUM(18,5,0,0)
254 rte_meter_trtcm_config(&task->tr_flows[i], ¶ms);
261 for (uint32_t i = 0; i < 3; ++i) {
262 for (uint32_t j = 0; j < 3; ++j) {
263 task->police_act[i][j] = targ->police_act[i][j];
268 static struct task_init task_init_police = {
269 .mode_str = "police",
270 .init = init_task_police,
271 .handle = handle_police_bulk,
272 .flag_features = TASK_FEATURE_CLASSIFY,
273 .size = sizeof(struct task_police)
276 static struct task_init task_init_police2 = {
277 .mode_str = "police",
278 .sub_mode_str = "trtcm",
279 .init = init_task_police,
280 .handle = handle_police_tr_bulk,
281 .flag_features = TASK_FEATURE_CLASSIFY,
282 .size = sizeof(struct task_police)
285 __attribute__((constructor)) static void reg_task_police(void)
287 reg_task(&task_init_police);
288 reg_task(&task_init_police2);