net/ice: fix memory leak when releasing VSI
[dpdk.git] / examples / l3fwd / l3fwd_em_hlm.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2016-2018 Intel Corporation.
3  * Copyright(c) 2017-2018 Linaro Limited.
4  */
5
6 #ifndef __L3FWD_EM_HLM_H__
7 #define __L3FWD_EM_HLM_H__
8
9 #if defined RTE_ARCH_X86
10 #include "l3fwd_sse.h"
11 #include "l3fwd_em_hlm_sse.h"
12 #elif defined RTE_MACHINE_CPUFLAG_NEON
13 #include "l3fwd_neon.h"
14 #include "l3fwd_em_hlm_neon.h"
15 #endif
16
17 #ifdef RTE_ARCH_ARM64
18 #define EM_HASH_LOOKUP_COUNT 16
19 #else
20 #define EM_HASH_LOOKUP_COUNT 8
21 #endif
22
23
24 static __rte_always_inline void
25 em_get_dst_port_ipv4xN(struct lcore_conf *qconf, struct rte_mbuf *m[],
26                 uint16_t portid, uint16_t dst_port[])
27 {
28         int i;
29         int32_t ret[EM_HASH_LOOKUP_COUNT];
30         union ipv4_5tuple_host key[EM_HASH_LOOKUP_COUNT];
31         const void *key_array[EM_HASH_LOOKUP_COUNT];
32
33         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
34                 get_ipv4_5tuple(m[i], mask0.x, &key[i]);
35                 key_array[i] = &key[i];
36         }
37
38         rte_hash_lookup_bulk(qconf->ipv4_lookup_struct, &key_array[0],
39                              EM_HASH_LOOKUP_COUNT, ret);
40
41         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
42                 dst_port[i] = ((ret[i] < 0) ?
43                                 portid : ipv4_l3fwd_out_if[ret[i]]);
44
45                 if (dst_port[i] >= RTE_MAX_ETHPORTS ||
46                                 (enabled_port_mask & 1 << dst_port[i]) == 0)
47                         dst_port[i] = portid;
48         }
49 }
50
51 static __rte_always_inline void
52 em_get_dst_port_ipv6xN(struct lcore_conf *qconf, struct rte_mbuf *m[],
53                 uint16_t portid, uint16_t dst_port[])
54 {
55         int i;
56         int32_t ret[EM_HASH_LOOKUP_COUNT];
57         union ipv6_5tuple_host key[EM_HASH_LOOKUP_COUNT];
58         const void *key_array[EM_HASH_LOOKUP_COUNT];
59
60         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
61                 get_ipv6_5tuple(m[i], mask1.x, mask2.x, &key[i]);
62                 key_array[i] = &key[i];
63         }
64
65         rte_hash_lookup_bulk(qconf->ipv6_lookup_struct, &key_array[0],
66                              EM_HASH_LOOKUP_COUNT, ret);
67
68         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
69                 dst_port[i] = ((ret[i] < 0) ?
70                                 portid : ipv6_l3fwd_out_if[ret[i]]);
71
72                 if (dst_port[i] >= RTE_MAX_ETHPORTS ||
73                                 (enabled_port_mask & 1 << dst_port[i]) == 0)
74                         dst_port[i] = portid;
75         }
76 }
77
78 static __rte_always_inline void
79 em_get_dst_port_ipv4xN_events(struct lcore_conf *qconf, struct rte_mbuf *m[],
80                               uint16_t dst_port[])
81 {
82         int i;
83         int32_t ret[EM_HASH_LOOKUP_COUNT];
84         union ipv4_5tuple_host key[EM_HASH_LOOKUP_COUNT];
85         const void *key_array[EM_HASH_LOOKUP_COUNT];
86
87         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
88                 get_ipv4_5tuple(m[i], mask0.x, &key[i]);
89                 key_array[i] = &key[i];
90         }
91
92         rte_hash_lookup_bulk(qconf->ipv4_lookup_struct, &key_array[0],
93                              EM_HASH_LOOKUP_COUNT, ret);
94
95         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
96                 dst_port[i] = ((ret[i] < 0) ?
97                                 m[i]->port : ipv4_l3fwd_out_if[ret[i]]);
98
99                 if (dst_port[i] >= RTE_MAX_ETHPORTS ||
100                                 (enabled_port_mask & 1 << dst_port[i]) == 0)
101                         dst_port[i] = m[i]->port;
102         }
103 }
104
105 static __rte_always_inline void
106 em_get_dst_port_ipv6xN_events(struct lcore_conf *qconf, struct rte_mbuf *m[],
107                               uint16_t dst_port[])
108 {
109         int i;
110         int32_t ret[EM_HASH_LOOKUP_COUNT];
111         union ipv6_5tuple_host key[EM_HASH_LOOKUP_COUNT];
112         const void *key_array[EM_HASH_LOOKUP_COUNT];
113
114         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
115                 get_ipv6_5tuple(m[i], mask1.x, mask2.x, &key[i]);
116                 key_array[i] = &key[i];
117         }
118
119         rte_hash_lookup_bulk(qconf->ipv6_lookup_struct, &key_array[0],
120                              EM_HASH_LOOKUP_COUNT, ret);
121
122         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
123                 dst_port[i] = ((ret[i] < 0) ?
124                                 m[i]->port : ipv6_l3fwd_out_if[ret[i]]);
125
126                 if (dst_port[i] >= RTE_MAX_ETHPORTS ||
127                                 (enabled_port_mask & 1 << dst_port[i]) == 0)
128                         dst_port[i] = m[i]->port;
129         }
130 }
131
132 static __rte_always_inline uint16_t
133 em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
134                 uint16_t portid)
135 {
136         uint16_t next_hop;
137         struct rte_ipv4_hdr *ipv4_hdr;
138         struct rte_ipv6_hdr *ipv6_hdr;
139         uint32_t tcp_or_udp;
140         uint32_t l3_ptypes;
141
142         tcp_or_udp = pkt->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
143         l3_ptypes = pkt->packet_type & RTE_PTYPE_L3_MASK;
144
145         if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV4)) {
146
147                 /* Handle IPv4 headers.*/
148                 ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
149                                 sizeof(struct rte_ether_hdr));
150
151                 next_hop = em_get_ipv4_dst_port(ipv4_hdr, portid,
152                                 qconf->ipv4_lookup_struct);
153
154                 if (next_hop >= RTE_MAX_ETHPORTS ||
155                                 (enabled_port_mask & 1 << next_hop) == 0)
156                         next_hop = portid;
157
158                 return next_hop;
159
160         } else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
161
162                 /* Handle IPv6 headers.*/
163                 ipv6_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv6_hdr *,
164                                 sizeof(struct rte_ether_hdr));
165
166                 next_hop = em_get_ipv6_dst_port(ipv6_hdr, portid,
167                                 qconf->ipv6_lookup_struct);
168
169                 if (next_hop >= RTE_MAX_ETHPORTS ||
170                                 (enabled_port_mask & 1 << next_hop) == 0)
171                         next_hop = portid;
172
173                 return next_hop;
174
175         }
176
177         return portid;
178 }
179
180 /*
181  * Buffer optimized handling of packets, invoked
182  * from main_loop.
183  */
184 static inline void
185 l3fwd_em_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
186                 uint16_t portid, struct lcore_conf *qconf)
187 {
188         int32_t i, j, pos;
189         uint16_t dst_port[MAX_PKT_BURST];
190
191         /*
192          * Send nb_rx - nb_rx % EM_HASH_LOOKUP_COUNT packets
193          * in groups of EM_HASH_LOOKUP_COUNT.
194          */
195         int32_t n = RTE_ALIGN_FLOOR(nb_rx, EM_HASH_LOOKUP_COUNT);
196
197         for (j = 0; j < EM_HASH_LOOKUP_COUNT && j < nb_rx; j++) {
198                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j],
199                                                struct rte_ether_hdr *) + 1);
200         }
201
202         for (j = 0; j < n; j += EM_HASH_LOOKUP_COUNT) {
203
204                 uint32_t pkt_type = RTE_PTYPE_L3_MASK |
205                                     RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP;
206                 uint32_t l3_type, tcp_or_udp;
207
208                 for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++)
209                         pkt_type &= pkts_burst[j + i]->packet_type;
210
211                 l3_type = pkt_type & RTE_PTYPE_L3_MASK;
212                 tcp_or_udp = pkt_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
213
214                 for (i = 0, pos = j + EM_HASH_LOOKUP_COUNT;
215                      i < EM_HASH_LOOKUP_COUNT && pos < nb_rx; i++, pos++) {
216                         rte_prefetch0(rte_pktmbuf_mtod(
217                                         pkts_burst[pos],
218                                         struct rte_ether_hdr *) + 1);
219                 }
220
221                 if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV4)) {
222
223                         em_get_dst_port_ipv4xN(qconf, &pkts_burst[j], portid,
224                                                &dst_port[j]);
225
226                 } else if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV6)) {
227
228                         em_get_dst_port_ipv6xN(qconf, &pkts_burst[j], portid,
229                                                &dst_port[j]);
230
231                 } else {
232                         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++)
233                                 dst_port[j + i] = em_get_dst_port(qconf,
234                                                 pkts_burst[j + i], portid);
235                 }
236         }
237
238         for (; j < nb_rx; j++)
239                 dst_port[j] = em_get_dst_port(qconf, pkts_burst[j], portid);
240
241         send_packets_multi(qconf, pkts_burst, dst_port, nb_rx);
242
243 }
244
245 /*
246  * Buffer optimized handling of events, invoked
247  * from main_loop.
248  */
249 static inline void
250 l3fwd_em_process_events(int nb_rx, struct rte_event **ev,
251                      struct lcore_conf *qconf)
252 {
253         int32_t i, j, pos;
254         uint16_t dst_port[MAX_PKT_BURST];
255         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
256
257         /*
258          * Send nb_rx - nb_rx % EM_HASH_LOOKUP_COUNT packets
259          * in groups of EM_HASH_LOOKUP_COUNT.
260          */
261         int32_t n = RTE_ALIGN_FLOOR(nb_rx, EM_HASH_LOOKUP_COUNT);
262
263         for (j = 0; j < EM_HASH_LOOKUP_COUNT && j < nb_rx; j++) {
264                 pkts_burst[j] = ev[j]->mbuf;
265                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j],
266                                                struct rte_ether_hdr *) + 1);
267         }
268
269         for (j = 0; j < n; j += EM_HASH_LOOKUP_COUNT) {
270
271                 uint32_t pkt_type = RTE_PTYPE_L3_MASK |
272                                     RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP;
273                 uint32_t l3_type, tcp_or_udp;
274
275                 for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++)
276                         pkt_type &= pkts_burst[j + i]->packet_type;
277
278                 l3_type = pkt_type & RTE_PTYPE_L3_MASK;
279                 tcp_or_udp = pkt_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
280
281                 for (i = 0, pos = j + EM_HASH_LOOKUP_COUNT;
282                      i < EM_HASH_LOOKUP_COUNT && pos < nb_rx; i++, pos++) {
283                         rte_prefetch0(rte_pktmbuf_mtod(
284                                         pkts_burst[pos],
285                                         struct rte_ether_hdr *) + 1);
286                 }
287
288                 if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV4)) {
289
290                         em_get_dst_port_ipv4xN_events(qconf, &pkts_burst[j],
291                                                &dst_port[j]);
292
293                 } else if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV6)) {
294
295                         em_get_dst_port_ipv6xN_events(qconf, &pkts_burst[j],
296                                                &dst_port[j]);
297
298                 } else {
299                         for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++) {
300                                 pkts_burst[j + i]->port = em_get_dst_port(qconf,
301                                                 pkts_burst[j + i],
302                                                 pkts_burst[j + i]->port);
303                                 process_packet(pkts_burst[j + i],
304                                                 &pkts_burst[j + i]->port);
305                         }
306                         continue;
307                 }
308                 processx4_step3(&pkts_burst[j], &dst_port[j]);
309
310                 for (i = 0; i < EM_HASH_LOOKUP_COUNT; i++)
311                         pkts_burst[j + i]->port = dst_port[j + i];
312
313         }
314
315         for (; j < nb_rx; j++) {
316                 pkts_burst[j]->port = em_get_dst_port(qconf, pkts_burst[j],
317                                                       pkts_burst[j]->port);
318                 process_packet(pkts_burst[j], &pkts_burst[j]->port);
319         }
320 }
321 #endif /* __L3FWD_EM_HLM_H__ */