#include <pipeline.h>
#include "pipeline_flow_classification_be.h"
+#include "pipeline_actions_common.h"
#include "hash_func.h"
struct pipeline_flow_classification {
pipeline_msg_req_handler custom_handlers[PIPELINE_FC_MSG_REQS];
uint32_t n_flows;
- uint32_t key_offset;
uint32_t key_size;
+ uint32_t flow_id;
+
+ uint32_t key_offset;
uint32_t hash_offset;
uint8_t *key_mask;
+ uint32_t flow_id_offset;
+
} __rte_cache_aligned;
static void *
*/
struct flow_table_entry {
struct rte_pipeline_table_entry head;
+
+ uint32_t flow_id;
+ uint32_t pad;
};
rte_table_hash_op_hash hash_func[] = {
hash_default_key64
};
+/*
+ * Flow table AH - Write flow_id to packet meta-data
+ */
+static inline void
+pkt_work_flow_id(
+ struct rte_mbuf *pkt,
+ struct rte_pipeline_table_entry *table_entry,
+ void *arg)
+{
+ struct pipeline_flow_classification *p_fc = arg;
+ uint32_t *flow_id_ptr =
+ RTE_MBUF_METADATA_UINT32_PTR(pkt, p_fc->flow_id_offset);
+ struct flow_table_entry *entry =
+ (struct flow_table_entry *) table_entry;
+
+ /* Read */
+ uint32_t flow_id = entry->flow_id;
+
+ /* Compute */
+
+ /* Write */
+ *flow_id_ptr = flow_id;
+}
+
+static inline void
+pkt4_work_flow_id(
+ struct rte_mbuf **pkts,
+ struct rte_pipeline_table_entry **table_entries,
+ void *arg)
+{
+ struct pipeline_flow_classification *p_fc = arg;
+
+ uint32_t *flow_id_ptr0 =
+ RTE_MBUF_METADATA_UINT32_PTR(pkts[0], p_fc->flow_id_offset);
+ uint32_t *flow_id_ptr1 =
+ RTE_MBUF_METADATA_UINT32_PTR(pkts[1], p_fc->flow_id_offset);
+ uint32_t *flow_id_ptr2 =
+ RTE_MBUF_METADATA_UINT32_PTR(pkts[2], p_fc->flow_id_offset);
+ uint32_t *flow_id_ptr3 =
+ RTE_MBUF_METADATA_UINT32_PTR(pkts[3], p_fc->flow_id_offset);
+
+ struct flow_table_entry *entry0 =
+ (struct flow_table_entry *) table_entries[0];
+ struct flow_table_entry *entry1 =
+ (struct flow_table_entry *) table_entries[1];
+ struct flow_table_entry *entry2 =
+ (struct flow_table_entry *) table_entries[2];
+ struct flow_table_entry *entry3 =
+ (struct flow_table_entry *) table_entries[3];
+
+ /* Read */
+ uint32_t flow_id0 = entry0->flow_id;
+ uint32_t flow_id1 = entry1->flow_id;
+ uint32_t flow_id2 = entry2->flow_id;
+ uint32_t flow_id3 = entry3->flow_id;
+
+ /* Compute */
+
+ /* Write */
+ *flow_id_ptr0 = flow_id0;
+ *flow_id_ptr1 = flow_id1;
+ *flow_id_ptr2 = flow_id2;
+ *flow_id_ptr3 = flow_id3;
+}
+
+PIPELINE_TABLE_AH_HIT(fc_table_ah_hit,
+ pkt_work_flow_id, pkt4_work_flow_id);
+
+static rte_pipeline_table_action_handler_hit
+get_fc_table_ah_hit(struct pipeline_flow_classification *p)
+{
+ if (p->flow_id)
+ return fc_table_ah_hit;
+
+ return NULL;
+}
+
+/*
+ * Argument parsing
+ */
static int
pipeline_fc_parse_args(struct pipeline_flow_classification *p,
struct pipeline_params *params)
uint32_t key_size_present = 0;
uint32_t hash_offset_present = 0;
uint32_t key_mask_present = 0;
+ uint32_t flow_id_offset_present = 0;
uint32_t i;
char *key_mask_str = NULL;
p->hash_offset = 0;
+ /* default values */
+ p->flow_id = 0;
+
for (i = 0; i < params->n_args; i++) {
char *arg_name = params->args_name[i];
char *arg_value = params->args_value[i];
continue;
}
+ /* flow_id_offset */
+ if (strcmp(arg_name, "flowid_offset") == 0) {
+ if (flow_id_offset_present)
+ goto error_parse;
+ flow_id_offset_present = 1;
+
+ p->flow_id = 1;
+ p->flow_id_offset = atoi(arg_value);
+
+ continue;
+ }
+
/* Unknown argument */
- return -1;
+ goto error_parse;
}
/* Check that mandatory arguments are present */
return 0;
error_parse:
- if (key_mask_str != NULL)
- free(key_mask_str);
- if (p->key_mask != NULL)
- free(p->key_mask);
+ free(key_mask_str);
+ free(p->key_mask);
return -1;
}
struct rte_pipeline_table_params table_params = {
.ops = NULL, /* set below */
.arg_create = NULL, /* set below */
- .f_action_hit = NULL,
+ .f_action_hit = get_fc_table_ah_hit(p_fc),
.f_action_miss = NULL,
- .arg_ah = NULL,
+ .arg_ah = p_fc,
.action_data_size = sizeof(struct flow_table_entry) -
sizeof(struct rte_pipeline_table_entry),
};
}
table_params.arg_create = &table_hash_key8_params;
break;
- break;
case 16:
if (p_fc->hash_offset != 0) {
.action = RTE_PIPELINE_ACTION_PORT,
{.port_id = p->port_out_id[req->port_id]},
},
+ .flow_id = req->flow_id,
};
rsp->status = rte_pipeline_table_entry_add(p->p,
.action = RTE_PIPELINE_ACTION_PORT,
{.port_id = p->port_out_id[flow_req->port_id]},
},
+ .flow_id = flow_req->flow_id,
};
int status = rte_pipeline_table_entry_add(p->p,
.action = RTE_PIPELINE_ACTION_PORT,
{.port_id = p->port_out_id[req->port_id]},
},
+
+ .flow_id = 0,
};
rsp->status = rte_pipeline_table_default_entry_add(p->p,