Imported Upstream version 16.04
[deb_dpdk.git] / examples / ip_pipeline / pipeline / pipeline_actions_common.h
diff --git a/examples/ip_pipeline/pipeline/pipeline_actions_common.h b/examples/ip_pipeline/pipeline/pipeline_actions_common.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __INCLUDE_PIPELINE_ACTIONS_COMMON_H__
+#define __INCLUDE_PIPELINE_ACTIONS_COMMON_H__
+
+#include <stdint.h>
+
+#include <rte_common.h>
+#include <rte_cycles.h>
+#include <rte_mbuf.h>
+#include <rte_pipeline.h>
+
+#define PIPELINE_PORT_IN_AH(f_ah, f_pkt_work, f_pkt4_work)             \
+static int                                                             \
+f_ah(                                                                  \
+       __rte_unused struct rte_pipeline *p,                            \
+       struct rte_mbuf **pkts,                                         \
+       uint32_t n_pkts,                                                \
+       void *arg)                                                      \
+{                                                                      \
+       uint32_t i;                                                     \
+                                                                       \
+       for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)                   \
+               f_pkt4_work(&pkts[i], arg);                             \
+                                                                       \
+       for ( ; i < n_pkts; i++)                                        \
+               f_pkt_work(pkts[i], arg);                               \
+                                                                       \
+       return 0;                                                       \
+}
+
+#define PIPELINE_PORT_IN_AH_HIJACK_ALL(f_ah, f_pkt_work, f_pkt4_work) \
+static int                                                             \
+f_ah(                                                                  \
+       struct rte_pipeline *p,                         \
+       struct rte_mbuf **pkts,                                 \
+       uint32_t n_pkts,                                                \
+       void *arg)                                              \
+{                                                                      \
+       uint64_t pkt_mask = RTE_LEN2MASK(n_pkts, uint64_t);     \
+       uint32_t i;                                                     \
+                                                                       \
+       rte_pipeline_ah_packet_hijack(p, pkt_mask);     \
+                                                                       \
+       for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)   \
+               f_pkt4_work(&pkts[i], arg);                             \
+                                                                       \
+       for ( ; i < n_pkts; i++)                                \
+               f_pkt_work(pkts[i], arg);                       \
+                                                                       \
+       return 0;                                                       \
+}
+
+#define PIPELINE_TABLE_AH_HIT(f_ah, f_pkt_work, f_pkt4_work)           \
+static int                                                             \
+f_ah(                                                                  \
+       __rte_unused struct rte_pipeline *p,                            \
+       struct rte_mbuf **pkts,                                         \
+       uint64_t pkts_in_mask,                                          \
+       struct rte_pipeline_table_entry **entries,                      \
+       void *arg)                                                      \
+{                                                                      \
+       if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
+               uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
+               uint32_t i;                                             \
+                                                                       \
+               for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)           \
+                       f_pkt4_work(&pkts[i], &entries[i], arg);        \
+                                                                       \
+               for ( ; i < n_pkts; i++)                                \
+                       f_pkt_work(pkts[i], entries[i], arg);           \
+       } else                                                          \
+               for ( ; pkts_in_mask; ) {                               \
+                       uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
+                       uint64_t pkt_mask = 1LLU << pos;                \
+                                                                       \
+                       pkts_in_mask &= ~pkt_mask;                      \
+                       f_pkt_work(pkts[pos], entries[pos], arg);       \
+               }                                                       \
+                                                                       \
+       return 0;                                                       \
+}
+
+#define PIPELINE_TABLE_AH_MISS(f_ah, f_pkt_work, f_pkt4_work)          \
+static int                                                             \
+f_ah(                                                                  \
+       __rte_unused struct rte_pipeline *p,                            \
+       struct rte_mbuf **pkts,                                         \
+       uint64_t pkts_in_mask,                                          \
+       struct rte_pipeline_table_entry *entry,                         \
+       void *arg)                                                      \
+{                                                                      \
+       if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
+               uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
+               uint32_t i;                                             \
+                                                                       \
+               for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)           \
+                       f_pkt4_work(&pkts[i], entry, arg);              \
+                                                                       \
+               for ( ; i < n_pkts; i++)                                \
+                       f_pkt_work(pkts[i], entry, arg);                \
+       } else                                                          \
+               for ( ; pkts_in_mask; ) {                               \
+                       uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
+                       uint64_t pkt_mask = 1LLU << pos;                \
+                                                                       \
+                       pkts_in_mask &= ~pkt_mask;                      \
+                       f_pkt_work(pkts[pos], entry, arg);              \
+               }                                                       \
+                                                                       \
+       return 0;                                                       \
+}
+
+#define PIPELINE_TABLE_AH_HIT_DROP_TIME(f_ah, f_pkt_work, f_pkt4_work) \
+static int                                                             \
+f_ah(                                                                  \
+       struct rte_pipeline *p,                                         \
+       struct rte_mbuf **pkts,                                         \
+       uint64_t pkts_mask,                                             \
+       struct rte_pipeline_table_entry **entries,                      \
+       void *arg)                                                      \
+{                                                                      \
+       uint64_t pkts_in_mask = pkts_mask;                              \
+       uint64_t pkts_out_mask = pkts_mask;                             \
+       uint64_t time = rte_rdtsc();                                    \
+                                                                       \
+       if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
+               uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
+               uint32_t i;                                             \
+                                                                       \
+               for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4) {         \
+                       uint64_t mask = f_pkt4_work(&pkts[i],           \
+                               &entries[i], arg, time);                \
+                       pkts_out_mask ^= mask << i;                     \
+               }                                                       \
+                                                                       \
+               for ( ; i < n_pkts; i++) {                              \
+                       uint64_t mask = f_pkt_work(pkts[i],             \
+                               entries[i], arg, time);                 \
+                       pkts_out_mask ^= mask << i;                     \
+               }                                                       \
+       } else                                                          \
+               for ( ; pkts_in_mask; ) {                               \
+                       uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
+                       uint64_t pkt_mask = 1LLU << pos;                \
+                       uint64_t mask = f_pkt_work(pkts[pos],           \
+                               entries[pos], arg, time);               \
+                                                                       \
+                       pkts_in_mask &= ~pkt_mask;                      \
+                       pkts_out_mask ^= mask << pos;                   \
+               }                                                       \
+                                                                       \
+       rte_pipeline_ah_packet_drop(p, pkts_out_mask ^ pkts_mask);      \
+                                                                       \
+       return 0;                                                       \
+}
+
+#define PIPELINE_TABLE_AH_MISS_DROP_TIME(f_ah, f_pkt_work, f_pkt4_work)        \
+static int                                                             \
+f_ah(                                                                  \
+       struct rte_pipeline *p,                                         \
+       struct rte_mbuf **pkts,                                         \
+       uint64_t pkts_mask,                                             \
+       struct rte_pipeline_table_entry *entry,                         \
+       void *arg)                                                      \
+{                                                                      \
+       uint64_t pkts_in_mask = pkts_mask;                              \
+       uint64_t pkts_out_mask = pkts_mask;                             \
+       uint64_t time = rte_rdtsc();                                    \
+                                                                       \
+       if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
+               uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
+               uint32_t i;                                             \
+                                                                       \
+               for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4) {         \
+                       uint64_t mask = f_pkt4_work(&pkts[i],           \
+                               entry, arg, time);                      \
+                       pkts_out_mask ^= mask << i;                     \
+               }                                                       \
+                                                                       \
+               for ( ; i < n_pkts; i++) {                              \
+                       uint64_t mask = f_pkt_work(pkts[i], entry, arg, time);\
+                       pkts_out_mask ^= mask << i;                     \
+               }                                                       \
+       } else                                                          \
+               for ( ; pkts_in_mask; ) {                               \
+                       uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
+                       uint64_t pkt_mask = 1LLU << pos;                \
+                       uint64_t mask = f_pkt_work(pkts[pos],           \
+                               entry, arg, time);              \
+                                                                       \
+                       pkts_in_mask &= ~pkt_mask;                      \
+                       pkts_out_mask ^= mask << pos;                   \
+               }                                                       \
+                                                                       \
+       rte_pipeline_ah_packet_drop(p, pkts_out_mask ^ pkts_mask);      \
+                                                                       \
+       return 0;                                                       \
+}
+
+#endif