examples/ip_pipeline/pipeline/pipeline_actions_common.h

   1 /*-
   2  *   BSD LICENSE
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  32  */
  33 #ifndef __INCLUDE_PIPELINE_ACTIONS_COMMON_H__
  34 #define __INCLUDE_PIPELINE_ACTIONS_COMMON_H__
  35
  36 #include <stdint.h>
  37
  38 #include <rte_common.h>
  39 #include <rte_cycles.h>
  40 #include <rte_mbuf.h>
  41 #include <rte_pipeline.h>
  42
  43 #define PIPELINE_PORT_IN_AH(f_ah, f_pkt_work, f_pkt4_work)              \
  44 static int                                                              \
  45 f_ah(                                                                   \
  46         __rte_unused struct rte_pipeline *p,                            \
  47         struct rte_mbuf **pkts,                                         \
  48         uint32_t n_pkts,                                                \
  49         void *arg)                                                      \
  50 {                                                                       \
  51         uint32_t i;                                                     \
  52                                                                         \
  53         for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)                   \
  54                 f_pkt4_work(&pkts[i], arg);                             \
  55                                                                         \
  56         for ( ; i < n_pkts; i++)                                        \
  57                 f_pkt_work(pkts[i], arg);                               \
  58                                                                         \
  59         return 0;                                                       \
  60 }
  61
  62 #define PIPELINE_TABLE_AH_HIT(f_ah, f_pkt_work, f_pkt4_work)            \
  63 static int                                                              \
  64 f_ah(                                                                   \
  65         __rte_unused struct rte_pipeline *p,                            \
  66         struct rte_mbuf **pkts,                                         \
  67         uint64_t pkts_in_mask,                                          \
  68         struct rte_pipeline_table_entry **entries,                      \
  69         void *arg)                                                      \
  70 {                                                                       \
  71         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
  72                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
  73                 uint32_t i;                                             \
  74                                                                         \
  75                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)           \
  76                         f_pkt4_work(&pkts[i], &entries[i], arg);        \
  77                                                                         \
  78                 for ( ; i < n_pkts; i++)                                \
  79                         f_pkt_work(pkts[i], entries[i], arg);           \
  80         } else                                                          \
  81                 for ( ; pkts_in_mask; ) {                               \
  82                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
  83                         uint64_t pkt_mask = 1LLU << pos;                \
  84                                                                         \
  85                         pkts_in_mask &= ~pkt_mask;                      \
  86                         f_pkt_work(pkts[pos], entries[pos], arg);       \
  87                 }                                                       \
  88                                                                         \
  89         return 0;                                                       \
  90 }
  91
  92 #define PIPELINE_TABLE_AH_MISS(f_ah, f_pkt_work, f_pkt4_work)           \
  93 static int                                                              \
  94 f_ah(                                                                   \
  95         __rte_unused struct rte_pipeline *p,                            \
  96         struct rte_mbuf **pkts,                                         \
  97         uint64_t pkts_in_mask,                                          \
  98         struct rte_pipeline_table_entry *entry,                         \
  99         void *arg)                                                      \
 100 {                                                                       \
 101         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
 102                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
 103                 uint32_t i;                                             \
 104                                                                         \
 105                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)           \
 106                         f_pkt4_work(&pkts[i], entry, arg);              \
 107                                                                         \
 108                 for ( ; i < n_pkts; i++)                                \
 109                         f_pkt_work(pkts[i], entry, arg);                \
 110         } else                                                          \
 111                 for ( ; pkts_in_mask; ) {                               \
 112                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
 113                         uint64_t pkt_mask = 1LLU << pos;                \
 114                                                                         \
 115                         pkts_in_mask &= ~pkt_mask;                      \
 116                         f_pkt_work(pkts[pos], entry, arg);              \
 117                 }                                                       \
 118                                                                         \
 119         return 0;                                                       \
 120 }
 121
 122 #define PIPELINE_TABLE_AH_HIT_DROP_TIME(f_ah, f_pkt_work, f_pkt4_work)  \
 123 static int                                                              \
 124 f_ah(                                                                   \
 125         struct rte_pipeline *p,                                         \
 126         struct rte_mbuf **pkts,                                         \
 127         uint64_t pkts_mask,                                             \
 128         struct rte_pipeline_table_entry **entries,                      \
 129         void *arg)                                                      \
 130 {                                                                       \
 131         uint64_t pkts_in_mask = pkts_mask;                              \
 132         uint64_t pkts_out_mask = pkts_mask;                             \
 133         uint64_t time = rte_rdtsc();                                    \
 134                                                                         \
 135         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
 136                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
 137                 uint32_t i;                                             \
 138                                                                         \
 139                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4) {         \
 140                         uint64_t mask = f_pkt4_work(&pkts[i],           \
 141                                 &entries[i], arg, time);                \
 142                         pkts_out_mask ^= mask << i;                     \
 143                 }                                                       \
 144                                                                         \
 145                 for ( ; i < n_pkts; i++) {                              \
 146                         uint64_t mask = f_pkt_work(pkts[i],             \
 147                                 entries[i], arg, time);                 \
 148                         pkts_out_mask ^= mask << i;                     \
 149                 }                                                       \
 150         } else                                                          \
 151                 for ( ; pkts_in_mask; ) {                               \
 152                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
 153                         uint64_t pkt_mask = 1LLU << pos;                \
 154                         uint64_t mask = f_pkt_work(pkts[pos],           \
 155                                 entries[pos], arg, time);               \
 156                                                                         \
 157                         pkts_in_mask &= ~pkt_mask;                      \
 158                         pkts_out_mask ^= mask << pos;                   \
 159                 }                                                       \
 160                                                                         \
 161         rte_pipeline_ah_packet_drop(p, pkts_out_mask ^ pkts_mask);      \
 162                                                                         \
 163         return 0;                                                       \
 164 }
 165
 166 #define PIPELINE_TABLE_AH_MISS_DROP_TIME(f_ah, f_pkt_work, f_pkt4_work) \
 167 static int                                                              \
 168 f_ah(                                                                   \
 169         struct rte_pipeline *p,                                         \
 170         struct rte_mbuf **pkts,                                         \
 171         uint64_t pkts_mask,                                             \
 172         struct rte_pipeline_table_entry *entry,                         \
 173         void *arg)                                                      \
 174 {                                                                       \
 175         uint64_t pkts_in_mask = pkts_mask;                              \
 176         uint64_t pkts_out_mask = pkts_mask;                             \
 177         uint64_t time = rte_rdtsc();                                    \
 178                                                                         \
 179         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
 180                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
 181                 uint32_t i;                                             \
 182                                                                         \
 183                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4) {         \
 184                         uint64_t mask = f_pkt4_work(&pkts[i],           \
 185                                 entry, arg, time);                      \
 186                         pkts_out_mask ^= mask << i;                     \
 187                 }                                                       \
 188                                                                         \
 189                 for ( ; i < n_pkts; i++) {                              \
 190                         uint64_t mask = f_pkt_work(pkts[i], entry, arg, time);\
 191                         pkts_out_mask ^= mask << i;                     \
 192                 }                                                       \
 193         } else                                                          \
 194                 for ( ; pkts_in_mask; ) {                               \
 195                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
 196                         uint64_t pkt_mask = 1LLU << pos;                \
 197                         uint64_t mask = f_pkt_work(pkts[pos],           \
 198                                 entry, arg, time);              \
 199                                                                         \
 200                         pkts_in_mask &= ~pkt_mask;                      \
 201                         pkts_out_mask ^= mask << pos;                   \
 202                 }                                                       \
 203                                                                         \
 204         rte_pipeline_ah_packet_drop(p, pkts_out_mask ^ pkts_mask);      \
 205                                                                         \
 206         return 0;                                                       \
 207 }
 208
 209 #endif