Add pipeline support for the Receive Side Scaling (RSS) hashing. While
the pipeline already supports the stateless hashing schemes, the RSS
scheme uses a key configured by the control plane and preserved
between successive RSS hash invocations.

Signed-off-by: Cristian Dumitrescu <cristian.dumitre...@intel.com>
Signed-off-by: Kamalakannan R <kamalakanna...@intel.com>
---
 lib/pipeline/rte_swx_ctl.h               |  92 +++++++
 lib/pipeline/rte_swx_pipeline.c          | 310 +++++++++++++++++++++++
 lib/pipeline/rte_swx_pipeline.h          |  22 ++
 lib/pipeline/rte_swx_pipeline_internal.h |  92 +++++++
 lib/pipeline/version.map                 |   5 +
 5 files changed, 521 insertions(+)

diff --git a/lib/pipeline/rte_swx_ctl.h b/lib/pipeline/rte_swx_ctl.h
index 2eb51b2c76..57fbe67dfa 100644
--- a/lib/pipeline/rte_swx_ctl.h
+++ b/lib/pipeline/rte_swx_ctl.h
@@ -67,6 +67,9 @@ struct rte_swx_ctl_pipeline_info {
 
        /** Number of meter arrays. */
        uint32_t n_metarrays;
+
+       /** Number of RSS objects. */
+       uint32_t n_rss;
 };
 
 /**
@@ -1521,6 +1524,95 @@ rte_swx_ctl_meter_stats_read_with_key(struct 
rte_swx_pipeline *p,
                                      uint8_t *table_key,
                                      struct rte_swx_ctl_meter_stats *stats);
 
+/*
+ * RSS Query and Configuration API.
+ */
+
+/** RSS object info. */
+struct rte_swx_ctl_rss_info {
+       /** RSS object name. */
+       char name[RTE_SWX_CTL_NAME_SIZE];
+};
+
+/**
+ * RSS object info get
+ *
+ * @param[in] p
+ *   Pipeline handle.
+ * @param[in] rss_obj_id
+ *   RSS object ID (0 .. *n_rss* - 1).
+ * @param[out] rss
+ *   RSS object info.
+ * @return
+ *   0 on success or the following error codes otherwise:
+ *   -EINVAL: Invalid argument.
+ */
+__rte_experimental
+int
+rte_swx_ctl_rss_info_get(struct rte_swx_pipeline *p,
+                        uint32_t rss_obj_id,
+                        struct rte_swx_ctl_rss_info *rss);
+
+/**
+ * RSS object key size read
+ *
+ * @param[in] p
+ *   Pipeline handle.
+ * @param[in] rss_name
+ *   RSS object name.
+ * @param[out] key_size
+ *   RSS key size in bytes.
+ * @return
+ *   0 on success or the following error codes otherwise:
+ *   -EINVAL: Invalid argument.
+ */
+__rte_experimental
+int
+rte_swx_ctl_pipeline_rss_key_size_read(struct rte_swx_pipeline *p,
+                                      const char *rss_name,
+                                      uint32_t *key_size);
+
+/**
+ * RSS object key read
+ *
+ * @param[in] p
+ *   Pipeline handle.
+ * @param[in] rss_name
+ *   RSS object name.
+ * @param[out] key
+ *   RSS key. Must be pre-allocated by the caller to store *key_size* bytes.
+ * @return
+ *   0 on success or the following error codes otherwise:
+ *   -EINVAL: Invalid argument.
+ */
+__rte_experimental
+int
+rte_swx_ctl_pipeline_rss_key_read(struct rte_swx_pipeline *p,
+                                 const char *rss_name,
+                                 uint8_t *key);
+
+/**
+ * RSS object key write
+ *
+ * @param[in] p
+ *   Pipeline handle.
+ * @param[in] rss_name
+ *   RSS object name.
+ * @param[in] key_size
+ *   RSS key size in bytes. Must be at least 4 and a power of 2.
+ * @param[in] key
+ *   RSS key.
+ * @return
+ *   0 on success or the following error codes otherwise:
+ *   -EINVAL: Invalid argument.
+ */
+__rte_experimental
+int
+rte_swx_ctl_pipeline_rss_key_write(struct rte_swx_pipeline *p,
+                                  const char *rss_name,
+                                  uint32_t key_size,
+                                  uint8_t *key);
+
 /**
  * Pipeline control free
  *
diff --git a/lib/pipeline/rte_swx_pipeline.c b/lib/pipeline/rte_swx_pipeline.c
index 0e631dea2b..0c477f2811 100644
--- a/lib/pipeline/rte_swx_pipeline.c
+++ b/lib/pipeline/rte_swx_pipeline.c
@@ -1255,6 +1255,100 @@ hash_func_free(struct rte_swx_pipeline *p)
        }
 }
 
+/*
+ * RSS.
+ */
+static struct rss *
+rss_find(struct rte_swx_pipeline *p, const char *name)
+{
+       struct rss *elem;
+
+       TAILQ_FOREACH(elem, &p->rss, node)
+               if (strcmp(elem->name, name) == 0)
+                       return elem;
+
+       return NULL;
+}
+
+static struct rss *
+rss_find_by_id(struct rte_swx_pipeline *p, uint32_t rss_obj_id)
+{
+       struct rss *elem;
+
+       TAILQ_FOREACH(elem, &p->rss, node)
+               if (elem->id == rss_obj_id)
+                       return elem;
+
+       return NULL;
+}
+
+int
+rte_swx_pipeline_rss_config(struct rte_swx_pipeline *p, const char *name)
+{
+       struct rss *r;
+
+       CHECK(p, EINVAL);
+
+       CHECK_NAME(name, EINVAL);
+       CHECK(!rss_find(p, name), EEXIST);
+
+       /* Memory allocation. */
+       r = calloc(1, sizeof(struct rss));
+       CHECK(r, ENOMEM);
+
+       /* Node initialization. */
+       strcpy(r->name, name);
+       r->id = p->n_rss;
+
+       /* Node add to tailq. */
+       TAILQ_INSERT_TAIL(&p->rss, r, node);
+       p->n_rss++;
+
+       return 0;
+}
+
+static uint32_t rss_runtime_default[] = {1, 0};
+
+static int
+rss_build(struct rte_swx_pipeline *p)
+{
+       struct rss *rss;
+
+       /* Memory allocation. */
+       p->rss_runtime = calloc(p->n_rss, sizeof(struct rss_runtime *));
+       CHECK(p->rss_runtime, ENOMEM);
+
+       /* RSS. */
+       TAILQ_FOREACH(rss, &p->rss, node)
+               p->rss_runtime[rss->id] = (struct rss_runtime 
*)rss_runtime_default;
+
+       return 0;
+}
+
+static void
+rss_build_free(struct rte_swx_pipeline *p)
+{
+       free(p->rss_runtime);
+       p->rss_runtime = NULL;
+}
+
+static void
+rss_free(struct rte_swx_pipeline *p)
+{
+       rss_build_free(p);
+
+       for ( ; ; ) {
+               struct rss *elem;
+
+               elem = TAILQ_FIRST(&p->rss);
+               if (!elem)
+                       break;
+
+               TAILQ_REMOVE(&p->rss, elem, node);
+               free(elem);
+       }
+}
+
 /*
  * Header.
  */
@@ -3002,6 +3096,63 @@ instr_hash_func_exec(struct rte_swx_pipeline *p)
        thread_ip_inc(p);
 }
 
+/*
+ * rss.
+ */
+static int
+instr_rss_translate(struct rte_swx_pipeline *p,
+                   struct action *action,
+                   char **tokens,
+                   int n_tokens,
+                   struct instruction *instr,
+                   struct instruction_data *data __rte_unused)
+{
+       struct rss *rss;
+       struct field *dst, *src_first, *src_last;
+       uint32_t src_struct_id_first = 0, src_struct_id_last = 0;
+
+       CHECK(n_tokens == 5, EINVAL);
+
+       rss = rss_find(p, tokens[1]);
+       CHECK(rss, EINVAL);
+
+       dst = metadata_field_parse(p, tokens[2]);
+       CHECK(dst, EINVAL);
+       CHECK(dst->n_bits <= 64, EINVAL);
+
+       src_first = struct_field_parse(p, action, tokens[3], 
&src_struct_id_first);
+       CHECK(src_first, EINVAL);
+
+       src_last = struct_field_parse(p, action, tokens[4], 
&src_struct_id_last);
+       CHECK(src_last, EINVAL);
+       CHECK(!src_last->var_size, EINVAL);
+       CHECK(src_struct_id_first == src_struct_id_last, EINVAL);
+
+       instr->type = INSTR_RSS;
+       instr->rss.rss_obj_id = (uint8_t)rss->id;
+       instr->rss.dst.offset = (uint8_t)dst->offset / 8;
+       instr->rss.dst.n_bits = (uint8_t)dst->n_bits;
+       instr->rss.src.struct_id = (uint8_t)src_struct_id_first;
+       instr->rss.src.offset = (uint16_t)src_first->offset / 8;
+       instr->rss.src.n_bytes = (uint16_t)((src_last->offset + 
src_last->n_bits -
+               src_first->offset) / 8);
+
+       return 0;
+}
+
+static inline void
+instr_rss_exec(struct rte_swx_pipeline *p)
+{
+       struct thread *t = &p->threads[p->thread_id];
+       struct instruction *ip = t->ip;
+
+       /* Extern function execute. */
+       __instr_rss_exec(p, t, ip);
+
+       /* Thread. */
+       thread_ip_inc(p);
+}
+
 /*
  * mov.
  */
@@ -6397,6 +6548,14 @@ instr_translate(struct rte_swx_pipeline *p,
                                            instr,
                                            data);
 
+       if (!strcmp(tokens[tpos], "rss"))
+               return instr_rss_translate(p,
+                                          action,
+                                          &tokens[tpos],
+                                          n_tokens - tpos,
+                                          instr,
+                                          data);
+
        if (!strcmp(tokens[tpos], "jmp"))
                return instr_jmp_translate(p,
                                           action,
@@ -7371,6 +7530,7 @@ static instr_exec_t instruction_table[] = {
        [INSTR_EXTERN_OBJ] = instr_extern_obj_exec,
        [INSTR_EXTERN_FUNC] = instr_extern_func_exec,
        [INSTR_HASH_FUNC] = instr_hash_func_exec,
+       [INSTR_RSS] = instr_rss_exec,
 
        [INSTR_JMP] = instr_jmp_exec,
        [INSTR_JMP_VALID] = instr_jmp_valid_exec,
@@ -10001,6 +10161,7 @@ rte_swx_pipeline_free(struct rte_swx_pipeline *p)
        instruction_table_free(p);
        metadata_free(p);
        header_free(p);
+       rss_free(p);
        hash_func_free(p);
        extern_func_free(p);
        extern_obj_free(p);
@@ -10149,6 +10310,7 @@ rte_swx_pipeline_config(struct rte_swx_pipeline **p, 
const char *name, int numa_
        TAILQ_INIT(&pipeline->extern_objs);
        TAILQ_INIT(&pipeline->extern_funcs);
        TAILQ_INIT(&pipeline->hash_funcs);
+       TAILQ_INIT(&pipeline->rss);
        TAILQ_INIT(&pipeline->headers);
        TAILQ_INIT(&pipeline->actions);
        TAILQ_INIT(&pipeline->table_types);
@@ -10263,6 +10425,10 @@ rte_swx_pipeline_build(struct rte_swx_pipeline *p)
        if (status)
                goto error;
 
+       status = rss_build(p);
+       if (status)
+               goto error;
+
        status = header_build(p);
        if (status)
                goto error;
@@ -10318,6 +10484,7 @@ rte_swx_pipeline_build(struct rte_swx_pipeline *p)
        instruction_table_build_free(p);
        metadata_build_free(p);
        header_build_free(p);
+       rss_build_free(p);
        hash_func_build_free(p);
        extern_func_build_free(p);
        extern_obj_build_free(p);
@@ -10382,6 +10549,7 @@ rte_swx_ctl_pipeline_info_get(struct rte_swx_pipeline 
*p,
        pipeline->n_learners = p->n_learners;
        pipeline->n_regarrays = p->n_regarrays;
        pipeline->n_metarrays = p->n_metarrays;
+       pipeline->n_rss = p->n_rss;
 
        return 0;
 }
@@ -11406,6 +11574,117 @@ rte_swx_ctl_meter_stats_read_with_key(struct 
rte_swx_pipeline *p,
        return rte_swx_ctl_meter_stats_read(p, metarray_name, entry_id, stats);
 }
 
+int
+rte_swx_ctl_rss_info_get(struct rte_swx_pipeline *p,
+                        uint32_t rss_obj_id,
+                        struct rte_swx_ctl_rss_info *info)
+{
+       struct rss *rss;
+
+       /* Check the input arguments. */
+       if (!p || !info)
+               return -EINVAL;
+
+       rss = rss_find_by_id(p, rss_obj_id);
+       if (!rss)
+               return -EINVAL;
+
+       /* Read from the internal data structures. */
+       strcpy(info->name, rss->name);
+       return 0;
+}
+
+int
+rte_swx_ctl_pipeline_rss_key_size_read(struct rte_swx_pipeline *p,
+                                      const char *rss_name,
+                                      uint32_t *key_size)
+{
+       struct rss *rss;
+       struct rss_runtime *r;
+
+       /* Check the input arguments. */
+       CHECK(p, EINVAL);
+
+       CHECK_NAME(rss_name, EINVAL);
+       rss = rss_find(p, rss_name);
+       CHECK(rss, EINVAL);
+       r = p->rss_runtime[rss->id];
+
+       CHECK(key_size, EINVAL);
+
+       /* Read from the internal data structures. */
+       *key_size = r->key_size * 4;
+
+       return 0;
+}
+
+int
+rte_swx_ctl_pipeline_rss_key_read(struct rte_swx_pipeline *p,
+                                 const char *rss_name,
+                                 uint8_t *key)
+{
+       struct rss *rss;
+       struct rss_runtime *r;
+       uint32_t *key32 = (uint32_t *)key, i;
+
+       /* Check the input arguments. */
+       CHECK(p, EINVAL);
+
+       CHECK_NAME(rss_name, EINVAL);
+       rss = rss_find(p, rss_name);
+       CHECK(rss, EINVAL);
+       r = p->rss_runtime[rss->id];
+
+       CHECK(key, EINVAL);
+
+       /* Read from the internal data structures. */
+       for (i = 0; i < r->key_size; i++)
+               key32[i] = rte_be_to_cpu_32(r->key[i]);
+
+       return 0;
+}
+
+int
+rte_swx_ctl_pipeline_rss_key_write(struct rte_swx_pipeline *p,
+                                  const char *rss_name,
+                                  uint32_t key_size,
+                                  uint8_t *key)
+{
+       struct rss *rss;
+       struct rss_runtime *r, *r_new;
+       uint32_t *key32 = (uint32_t *)key, i;
+
+       /* Check the input arguments. */
+       CHECK(p, EINVAL);
+
+       CHECK_NAME(rss_name, EINVAL);
+       rss = rss_find(p, rss_name);
+       CHECK(rss, EINVAL);
+       r = p->rss_runtime[rss->id];
+
+       CHECK((key_size >= 4) && rte_is_power_of_2(key_size), EINVAL);
+       CHECK(key, EINVAL);
+       key_size /= 4;
+
+       /* Allocate new RSS run-time entry. */
+       r_new = malloc(sizeof(struct rss_runtime) + key_size * 
sizeof(uint32_t));
+       if (!r_new)
+               return -ENOMEM;
+
+       /* Fill in the new RSS run-time entry. */
+       r_new->key_size = key_size;
+       for (i = 0; i < key_size; i++)
+               r_new->key[i] = rte_cpu_to_be_32(key32[i]);
+
+       /* Commit the RSS run-time change atomically. */
+       p->rss_runtime[rss->id] = r_new;
+
+       /* Free the old RSS run-time entry. */
+       free(r);
+
+       return 0;
+}
+
 /*
  * Pipeline compilation.
  */
@@ -11579,6 +11858,7 @@ instr_type_to_name(struct instruction *instr)
        case INSTR_EXTERN_OBJ: return "INSTR_EXTERN_OBJ";
        case INSTR_EXTERN_FUNC: return "INSTR_EXTERN_FUNC";
        case INSTR_HASH_FUNC: return "INSTR_HASH_FUNC";
+       case INSTR_RSS: return "INSTR_RSS";
 
        case INSTR_JMP: return "INSTR_JMP";
        case INSTR_JMP_VALID: return "INSTR_JMP_VALID";
@@ -12029,6 +12309,34 @@ instr_hash_export(struct instruction *instr, FILE *f)
                instr->hash_func.src.n_bytes);
 }
 
+static void
+instr_rss_export(struct instruction *instr, FILE *f)
+{
+       fprintf(f,
+               "\t{\n"
+               "\t\t.type = %s,\n"
+               "\t\t.rss = {\n"
+               "\t\t\t.rss_obj_id = %u,\n"
+               "\t\t\t.dst = {\n"
+               "\t\t\t\t.offset = %u,\n"
+               "\t\t\t\t.n_bits = %u,\n"
+               "\t\t\t},\n"
+               "\t\t\t.src = {\n"
+               "\t\t\t\t.struct_id = %u,\n"
+               "\t\t\t\t.offset = %u,\n"
+               "\t\t\t\t.n_bytes = %u,\n"
+               "\t\t\t},\n"
+               "\t\t},\n"
+               "\t},\n",
+               instr_type_to_name(instr),
+               instr->rss.rss_obj_id,
+               instr->rss.dst.offset,
+               instr->rss.dst.n_bits,
+               instr->rss.src.struct_id,
+               instr->rss.src.offset,
+               instr->rss.src.n_bytes);
+}
+
 static void
 instr_reg_export(struct instruction *instr __rte_unused, FILE *f __rte_unused)
 {
@@ -12590,6 +12898,7 @@ static instruction_export_t export_table[] = {
        [INSTR_EXTERN_OBJ] = instr_extern_export,
        [INSTR_EXTERN_FUNC] = instr_extern_export,
        [INSTR_HASH_FUNC] = instr_hash_export,
+       [INSTR_RSS] = instr_rss_export,
 
        [INSTR_JMP] = instr_jmp_export,
        [INSTR_JMP_VALID] = instr_jmp_export,
@@ -12817,6 +13126,7 @@ instr_type_to_func(struct instruction *instr)
        case INSTR_EXTERN_OBJ: return NULL;
        case INSTR_EXTERN_FUNC: return NULL;
        case INSTR_HASH_FUNC: return "__instr_hash_func_exec";
+       case INSTR_RSS: return "__instr_rss_exec";
 
        case INSTR_JMP: return NULL;
        case INSTR_JMP_VALID: return NULL;
diff --git a/lib/pipeline/rte_swx_pipeline.h b/lib/pipeline/rte_swx_pipeline.h
index 2c9cc6ee44..25df042d3b 100644
--- a/lib/pipeline/rte_swx_pipeline.h
+++ b/lib/pipeline/rte_swx_pipeline.h
@@ -352,6 +352,28 @@ rte_swx_pipeline_hash_func_register(struct 
rte_swx_pipeline *p,
                                    const char *name,
                                    rte_swx_hash_func_t func);
 
+/*
+ * RSS.
+ */
+
+/**
+ * Pipeline Receive Side Scaling (RSS) object configure
+ *
+ * @param[in] p
+ *   Pipeline handle.
+ * @param[in] name
+ *   Name for the new RSS object.
+ * @return
+ *   0 on success or the following error codes otherwise:
+ *   -EINVAL: Invalid argument;
+ *   -ENOMEM: Not enough space/cannot allocate memory;
+ *   -EEXIST: RSS object with this name already exists.
+ */
+__rte_experimental
+int
+rte_swx_pipeline_rss_config(struct rte_swx_pipeline *p,
+                           const char *name);
+
 /*
  * Packet headers and meta-data
  */
diff --git a/lib/pipeline/rte_swx_pipeline_internal.h 
b/lib/pipeline/rte_swx_pipeline_internal.h
index 335506039b..7f5cce7bc4 100644
--- a/lib/pipeline/rte_swx_pipeline_internal.h
+++ b/lib/pipeline/rte_swx_pipeline_internal.h
@@ -199,6 +199,22 @@ struct hash_func_runtime {
        rte_swx_hash_func_t func;
 };
 
+/*
+ * RSS.
+ */
+struct rss {
+       TAILQ_ENTRY(rss) node;
+       char name[RTE_SWX_NAME_SIZE];
+       uint32_t id;
+};
+
+TAILQ_HEAD(rss_tailq, rss);
+
+struct rss_runtime {
+       uint32_t key_size; /* key size in 32-bit increments. */
+       uint32_t key[0]; /* key as array of 32-bit increments, each in NBO 
format. */
+};
+
 /*
  * Header.
  */
@@ -524,6 +540,15 @@ enum instruction_type {
         */
        INSTR_HASH_FUNC,
 
+       /* rss RSS_OBJ_NAME dst src_first src_last
+        * Compute the RSS hash value over range of struct fields.
+        * dst = M
+        * src_first = HMEFT
+        * src_last = HMEFT
+        * src_first and src_last must be fields within the same struct
+        */
+       INSTR_RSS,
+
        /* jmp LABEL
         * Unconditional jump
         */
@@ -677,6 +702,21 @@ struct instr_hash_func {
        } src;
 };
 
+struct instr_rss {
+       uint8_t rss_obj_id;
+
+       struct {
+               uint8_t offset;
+               uint8_t n_bits;
+       } dst;
+
+       struct {
+               uint8_t struct_id;
+               uint16_t offset;
+               uint16_t n_bytes;
+       } src;
+};
+
 struct instr_dst_src {
        struct instr_operand dst;
        union {
@@ -763,6 +803,7 @@ struct instruction {
                struct instr_extern_obj ext_obj;
                struct instr_extern_func ext_func;
                struct instr_hash_func hash_func;
+               struct instr_rss rss;
                struct instr_jmp jmp;
        };
 };
@@ -1480,6 +1521,7 @@ struct rte_swx_pipeline {
        struct extern_obj_tailq extern_objs;
        struct extern_func_tailq extern_funcs;
        struct hash_func_tailq hash_funcs;
+       struct rss_tailq rss;
        struct header_tailq headers;
        struct struct_type *metadata_st;
        uint32_t metadata_struct_id;
@@ -1502,6 +1544,7 @@ struct rte_swx_pipeline {
        struct selector_statistics *selector_stats;
        struct learner_statistics *learner_stats;
        struct hash_func_runtime *hash_func_runtime;
+       struct rss_runtime **rss_runtime;
        struct regarray_runtime *regarray_runtime;
        struct metarray_runtime *metarray_runtime;
        struct instruction *instructions;
@@ -1518,6 +1561,7 @@ struct rte_swx_pipeline {
        uint32_t n_extern_objs;
        uint32_t n_extern_funcs;
        uint32_t n_hash_funcs;
+       uint32_t n_rss;
        uint32_t n_actions;
        uint32_t n_tables;
        uint32_t n_selectors;
@@ -2467,6 +2511,54 @@ __instr_hash_func_exec(struct rte_swx_pipeline *p,
        METADATA_WRITE(t, dst_offset, n_dst_bits, result);
 }
 
+/*
+ * rss.
+ */
+static inline uint32_t
+rss_func(uint32_t *key, uint32_t key_size, uint32_t *data, uint32_t data_size)
+{
+       uint32_t hash_val = 0, key_mask = key_size - 1, i;
+
+       for (i = 0; i < data_size; i++) {
+               uint32_t d;
+
+               for (d = data[i]; d; d &= (d - 1)) {
+                       uint32_t key0, key1, pos;
+
+                       pos = rte_bsf32(d);
+                       key0 = key[i & key_mask] << (31 - pos);
+                       key1 = key[(i + 1) & key_mask] >> (pos + 1);
+                       hash_val ^= key0 | key1;
+               }
+       }
+
+       return hash_val;
+}
+
+static inline void
+__instr_rss_exec(struct rte_swx_pipeline *p,
+                struct thread *t,
+                const struct instruction *ip)
+{
+       uint32_t rss_obj_id = ip->rss.rss_obj_id;
+       uint32_t dst_offset = ip->rss.dst.offset;
+       uint32_t n_dst_bits = ip->rss.dst.n_bits;
+       uint32_t src_struct_id = ip->rss.src.struct_id;
+       uint32_t src_offset = ip->rss.src.offset;
+       uint32_t n_src_bytes = ip->rss.src.n_bytes;
+
+       struct rss_runtime *r = p->rss_runtime[rss_obj_id];
+       uint8_t *src_ptr = t->structs[src_struct_id];
+       uint32_t result;
+
+       TRACE("[Thread %2u] rss %u\n",
+             p->thread_id,
+             rss_obj_id);
+
+       result = rss_func(r->key, r->key_size, (uint32_t 
*)&src_ptr[src_offset], n_src_bytes >> 2);
+       METADATA_WRITE(t, dst_offset, n_dst_bits, result);
+}
+
 /*
  * mov.
  */
diff --git a/lib/pipeline/version.map b/lib/pipeline/version.map
index 58e34459c3..6f45c73428 100644
--- a/lib/pipeline/version.map
+++ b/lib/pipeline/version.map
@@ -157,6 +157,10 @@ EXPERIMENTAL {
        rte_swx_pipeline_find;
 
        #added in 23.03
+       rte_swx_ctl_rss_info_get;
+       rte_swx_ctl_pipeline_rss_key_size_read;
+       rte_swx_ctl_pipeline_rss_key_read;
+       rte_swx_ctl_pipeline_rss_key_write;
        rte_swx_ipsec_create;
        rte_swx_ipsec_find;
        rte_swx_ipsec_free;
@@ -164,4 +168,5 @@ EXPERIMENTAL {
        rte_swx_ipsec_sa_add;
        rte_swx_ipsec_sa_delete;
        rte_swx_ipsec_sa_read;
+       rte_swx_pipeline_rss_config;
 };
-- 
2.34.1

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