examples/ip_pipeline/pipeline/pipeline_actions_common.h

   1 /*-
   2  *   BSD LICENSE
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  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  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_PORT_IN_AH_HIJACK_ALL(f_ah, f_pkt_work, f_pkt4_work) \
  63 static int                                                              \
  64 f_ah(                                                                   \
  65         struct rte_pipeline *p,                         \
  66         struct rte_mbuf **pkts,                                 \
  67         uint32_t n_pkts,                                                \
  68         void *arg)                                              \
  69 {                                                                       \
  70         uint64_t pkt_mask = RTE_LEN2MASK(n_pkts, uint64_t);     \
  71         uint32_t i;                                                     \
  72                                                                         \
  73         rte_pipeline_ah_packet_hijack(p, pkt_mask);     \
  74                                                                         \
  75         for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)   \
  76                 f_pkt4_work(&pkts[i], arg);                             \
  77                                                                         \
  78         for ( ; i < n_pkts; i++)                                \
  79                 f_pkt_work(pkts[i], arg);                       \
  80                                                                         \
  81         return 0;                                                       \
  82 }
  83
  84 #define PIPELINE_TABLE_AH_HIT(f_ah, f_pkt_work, f_pkt4_work)            \
  85 static int                                                              \
  86 f_ah(                                                                   \
  87         __rte_unused struct rte_pipeline *p,                            \
  88         struct rte_mbuf **pkts,                                         \
  89         uint64_t pkts_in_mask,                                          \
  90         struct rte_pipeline_table_entry **entries,                      \
  91         void *arg)                                                      \
  92 {                                                                       \
  93         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
  94                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
  95                 uint32_t i;                                             \
  96                                                                         \
  97                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)           \
  98                         f_pkt4_work(&pkts[i], &entries[i], arg);        \
  99                                                                         \
 100                 for ( ; i < n_pkts; i++)                                \
 101                         f_pkt_work(pkts[i], entries[i], arg);           \
 102         } else                                                          \
 103                 for ( ; pkts_in_mask; ) {                               \
 104                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
 105                         uint64_t pkt_mask = 1LLU << pos;                \
 106                                                                         \
 107                         pkts_in_mask &= ~pkt_mask;                      \
 108                         f_pkt_work(pkts[pos], entries[pos], arg);       \
 109                 }                                                       \
 110                                                                         \
 111         return 0;                                                       \
 112 }
 113
 114 #define PIPELINE_TABLE_AH_MISS(f_ah, f_pkt_work, f_pkt4_work)           \
 115 static int                                                              \
 116 f_ah(                                                                   \
 117         __rte_unused struct rte_pipeline *p,                            \
 118         struct rte_mbuf **pkts,                                         \
 119         uint64_t pkts_in_mask,                                          \
 120         struct rte_pipeline_table_entry *entry,                         \
 121         void *arg)                                                      \
 122 {                                                                       \
 123         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
 124                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
 125                 uint32_t i;                                             \
 126                                                                         \
 127                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4)           \
 128                         f_pkt4_work(&pkts[i], entry, arg);              \
 129                                                                         \
 130                 for ( ; i < n_pkts; i++)                                \
 131                         f_pkt_work(pkts[i], entry, arg);                \
 132         } else                                                          \
 133                 for ( ; pkts_in_mask; ) {                               \
 134                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
 135                         uint64_t pkt_mask = 1LLU << pos;                \
 136                                                                         \
 137                         pkts_in_mask &= ~pkt_mask;                      \
 138                         f_pkt_work(pkts[pos], entry, arg);              \
 139                 }                                                       \
 140                                                                         \
 141         return 0;                                                       \
 142 }
 143
 144 #define PIPELINE_TABLE_AH_HIT_DROP_TIME(f_ah, f_pkt_work, f_pkt4_work)  \
 145 static int                                                              \
 146 f_ah(                                                                   \
 147         struct rte_pipeline *p,                                         \
 148         struct rte_mbuf **pkts,                                         \
 149         uint64_t pkts_mask,                                             \
 150         struct rte_pipeline_table_entry **entries,                      \
 151         void *arg)                                                      \
 152 {                                                                       \
 153         uint64_t pkts_in_mask = pkts_mask;                              \
 154         uint64_t pkts_out_mask = pkts_mask;                             \
 155         uint64_t time = rte_rdtsc();                                    \
 156                                                                         \
 157         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
 158                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
 159                 uint32_t i;                                             \
 160                                                                         \
 161                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4) {         \
 162                         uint64_t mask = f_pkt4_work(&pkts[i],           \
 163                                 &entries[i], arg, time);                \
 164                         pkts_out_mask ^= mask << i;                     \
 165                 }                                                       \
 166                                                                         \
 167                 for ( ; i < n_pkts; i++) {                              \
 168                         uint64_t mask = f_pkt_work(pkts[i],             \
 169                                 entries[i], arg, time);                 \
 170                         pkts_out_mask ^= mask << i;                     \
 171                 }                                                       \
 172         } else                                                          \
 173                 for ( ; pkts_in_mask; ) {                               \
 174                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
 175                         uint64_t pkt_mask = 1LLU << pos;                \
 176                         uint64_t mask = f_pkt_work(pkts[pos],           \
 177                                 entries[pos], arg, time);               \
 178                                                                         \
 179                         pkts_in_mask &= ~pkt_mask;                      \
 180                         pkts_out_mask ^= mask << pos;                   \
 181                 }                                                       \
 182                                                                         \
 183         rte_pipeline_ah_packet_drop(p, pkts_out_mask ^ pkts_mask);      \
 184                                                                         \
 185         return 0;                                                       \
 186 }
 187
 188 #define PIPELINE_TABLE_AH_MISS_DROP_TIME(f_ah, f_pkt_work, f_pkt4_work) \
 189 static int                                                              \
 190 f_ah(                                                                   \
 191         struct rte_pipeline *p,                                         \
 192         struct rte_mbuf **pkts,                                         \
 193         uint64_t pkts_mask,                                             \
 194         struct rte_pipeline_table_entry *entry,                         \
 195         void *arg)                                                      \
 196 {                                                                       \
 197         uint64_t pkts_in_mask = pkts_mask;                              \
 198         uint64_t pkts_out_mask = pkts_mask;                             \
 199         uint64_t time = rte_rdtsc();                                    \
 200                                                                         \
 201         if ((pkts_in_mask & (pkts_in_mask + 1)) == 0) {                 \
 202                 uint64_t n_pkts = __builtin_popcountll(pkts_in_mask);   \
 203                 uint32_t i;                                             \
 204                                                                         \
 205                 for (i = 0; i < (n_pkts & (~0x3LLU)); i += 4) {         \
 206                         uint64_t mask = f_pkt4_work(&pkts[i],           \
 207                                 entry, arg, time);                      \
 208                         pkts_out_mask ^= mask << i;                     \
 209                 }                                                       \
 210                                                                         \
 211                 for ( ; i < n_pkts; i++) {                              \
 212                         uint64_t mask = f_pkt_work(pkts[i], entry, arg, time);\
 213                         pkts_out_mask ^= mask << i;                     \
 214                 }                                                       \
 215         } else                                                          \
 216                 for ( ; pkts_in_mask; ) {                               \
 217                         uint32_t pos = __builtin_ctzll(pkts_in_mask);   \
 218                         uint64_t pkt_mask = 1LLU << pos;                \
 219                         uint64_t mask = f_pkt_work(pkts[pos],           \
 220                                 entry, arg, time);              \
 221                                                                         \
 222                         pkts_in_mask &= ~pkt_mask;                      \
 223                         pkts_out_mask ^= mask << pos;                   \
 224                 }                                                       \
 225                                                                         \
 226         rte_pipeline_ah_packet_drop(p, pkts_out_mask ^ pkts_mask);      \
 227                                                                         \
 228         return 0;                                                       \
 229 }
 230
 231 #endif