Add destination ports(dst-ports) parameter for port-id action,
the parameter is only valid for port-id action. The parameter is not
Must, and the value is 1 by default as before if not provided.

For example:

$ dpdk-test-flow-perf -w 08:00.0,representor=[0,1] -- --transfer \
> --ingress --transfer --ether --portmask=0x2 --vxlan-encap \
> --port-id --dst-ports=0

This command means the rule created on representor 0 with port 0
as destination, since the portmask is 0x2 and dst-ports is 0:

$ dpdk-test-flow-perf -w 08:00.0,representor=[0,1] \
> -w 08:00.1,representor=[0,1]-- --transfer --ingress --transfer \
> --ether --portmask=0x12 --vxlan-encap --port-id --dst-ports=0,3

This command means the rules created on both representor 0 of PF 0
and PF 1, the destination port for the first represontor is PF 0,
and the destination port for the other one it PF 1.

Signed-off-by: Sean Zhang <xiazh...@nvidia.com>
---
 app/test-flow-perf/actions_gen.c |  7 +++--
 app/test-flow-perf/actions_gen.h |  2 +-
 app/test-flow-perf/flow_gen.c    |  3 +-
 app/test-flow-perf/flow_gen.h    |  1 +
 app/test-flow-perf/main.c        | 48 ++++++++++++++++++++++++++++----
 doc/guides/tools/flow-perf.rst   |  6 ++++
 6 files changed, 58 insertions(+), 9 deletions(-)

diff --git a/app/test-flow-perf/actions_gen.c b/app/test-flow-perf/actions_gen.c
index 82cddfc676..8786dc967c 100644
--- a/app/test-flow-perf/actions_gen.c
+++ b/app/test-flow-perf/actions_gen.c
@@ -29,6 +29,7 @@ struct additional_para {
        uint32_t counter;
        uint64_t encap_data;
        uint64_t decap_data;
+       uint16_t dst_port;
        uint8_t core_idx;
        bool unique_data;
 };
@@ -171,12 +172,13 @@ add_set_tag(struct rte_flow_action *actions,
 static void
 add_port_id(struct rte_flow_action *actions,
        uint8_t actions_counter,
-       __rte_unused struct additional_para para)
+       struct additional_para para)
 {
        static struct rte_flow_action_port_id port_id = {
                .id = PORT_ID_DST,
        };
 
+       port_id.id = para.dst_port;
        actions[actions_counter].type = RTE_FLOW_ACTION_TYPE_PORT_ID;
        actions[actions_counter].conf = &port_id;
 }
@@ -909,7 +911,7 @@ void
 fill_actions(struct rte_flow_action *actions, uint64_t *flow_actions,
        uint32_t counter, uint16_t next_table, uint16_t hairpinq,
        uint64_t encap_data, uint64_t decap_data, uint8_t core_idx,
-       bool unique_data)
+       bool unique_data, uint16_t dst_port)
 {
        struct additional_para additional_para_data;
        uint8_t actions_counter = 0;
@@ -933,6 +935,7 @@ fill_actions(struct rte_flow_action *actions, uint64_t 
*flow_actions,
                .decap_data = decap_data,
                .core_idx = core_idx,
                .unique_data = unique_data,
+               .dst_port = dst_port,
        };
 
        if (hairpinq != 0) {
diff --git a/app/test-flow-perf/actions_gen.h b/app/test-flow-perf/actions_gen.h
index 6f2f833496..f3bb6fec41 100644
--- a/app/test-flow-perf/actions_gen.h
+++ b/app/test-flow-perf/actions_gen.h
@@ -20,6 +20,6 @@
 void fill_actions(struct rte_flow_action *actions, uint64_t *flow_actions,
        uint32_t counter, uint16_t next_table, uint16_t hairpinq,
        uint64_t encap_data, uint64_t decap_data, uint8_t core_idx,
-       bool unique_data);
+       bool unique_data, uint16_t dst_port);
 
 #endif /* FLOW_PERF_ACTION_GEN */
diff --git a/app/test-flow-perf/flow_gen.c b/app/test-flow-perf/flow_gen.c
index 8f87fac5f6..890387bffa 100644
--- a/app/test-flow-perf/flow_gen.c
+++ b/app/test-flow-perf/flow_gen.c
@@ -45,6 +45,7 @@ generate_flow(uint16_t port_id,
        uint16_t hairpinq,
        uint64_t encap_data,
        uint64_t decap_data,
+       uint16_t dst_port,
        uint8_t core_idx,
        bool unique_data,
        struct rte_flow_error *error)
@@ -63,7 +64,7 @@ generate_flow(uint16_t port_id,
        fill_actions(actions, flow_actions,
                outer_ip_src, next_table, hairpinq,
                encap_data, decap_data, core_idx,
-               unique_data);
+               unique_data, dst_port);
 
        fill_items(items, flow_items, outer_ip_src, core_idx);
 
diff --git a/app/test-flow-perf/flow_gen.h b/app/test-flow-perf/flow_gen.h
index dc887fceae..2daebbe493 100644
--- a/app/test-flow-perf/flow_gen.h
+++ b/app/test-flow-perf/flow_gen.h
@@ -34,6 +34,7 @@ generate_flow(uint16_t port_id,
        uint16_t hairpinq,
        uint64_t encap_data,
        uint64_t decap_data,
+       uint16_t dst_port,
        uint8_t core_idx,
        bool unique_data,
        struct rte_flow_error *error);
diff --git a/app/test-flow-perf/main.c b/app/test-flow-perf/main.c
index 9be8edc31d..3a1eed3bcc 100644
--- a/app/test-flow-perf/main.c
+++ b/app/test-flow-perf/main.c
@@ -56,6 +56,7 @@ static uint64_t flow_attrs[MAX_ATTRS_NUM];
 static uint8_t items_idx, actions_idx, attrs_idx;
 
 static uint64_t ports_mask;
+static uint16_t dst_ports[RTE_MAX_ETHPORTS];
 static volatile bool force_quit;
 static bool dump_iterations;
 static bool delete_flag;
@@ -163,6 +164,7 @@ usage(char *progname)
 
        printf("To set flow actions:\n");
        printf("  --port-id: add port-id action in flow actions\n");
+       printf("  --dst-ports=N,M: add destination ports in port-id action\n");
        printf("  --rss: add rss action in flow actions\n");
        printf("  --queue: add queue action in flow actions\n");
        printf("  --jump: add jump action in flow actions\n");
@@ -219,6 +221,21 @@ usage(char *progname)
        printf("  --vxlan-decap: add vxlan_decap action to flow actions\n");
 }
 
+static inline int
+has_port_id(void)
+{
+       int i;
+
+       for (i = 0; i < MAX_ACTIONS_NUM; ++i) {
+               if (flow_actions[i] == 0)
+                       break;
+               if (flow_actions[i]
+                       & FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_PORT_ID))
+                       return 1;
+       }
+       return 0;
+}
+
 static void
 args_parse(int argc, char **argv)
 {
@@ -572,6 +589,7 @@ args_parse(int argc, char **argv)
                { "enable-fwd",                 0, 0, 0 },
                { "unique-data",                0, 0, 0 },
                { "portmask",                   1, 0, 0 },
+               { "dst-ports",                  1, 0, 0 },
                { "cores",                      1, 0, 0 },
                /* Attributes */
                { "ingress",                    0, 0, 0 },
@@ -633,6 +651,9 @@ args_parse(int argc, char **argv)
        RTE_ETH_FOREACH_DEV(i)
                ports_mask |= 1 << i;
 
+       for (i = 0; i < RTE_MAX_ETHPORTS; i++)
+               dst_ports[i] = PORT_ID_DST;
+
        hairpin_queues_num = 0;
        argvopt = argv;
 
@@ -787,6 +808,22 @@ args_parse(int argc, char **argv)
                                        rte_exit(EXIT_FAILURE, "Invalid fwd 
port mask\n");
                                ports_mask = pm;
                        }
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "dst-ports") == 0) {
+                               uint16_t port_idx = 0;
+                               char *token;
+
+                               if (!has_port_id())
+                                       rte_exit(EXIT_FAILURE,
+                                                       "Error: need add 
port-id action first\n"
+                                                       "dst-ports only can be 
used for port-id action\n");
+
+                               token = strtok(optarg, ",");
+                               while (token != NULL) {
+                                       dst_ports[port_idx++] = atoi(token);
+                                       token = strtok(NULL, ",");
+                               }
+                       }
                        if (strcmp(lgopts[opt_idx].name, "cores") == 0) {
                                n = atoi(optarg);
                                if ((int) rte_lcore_count() <= n) {
@@ -1128,7 +1165,7 @@ destroy_flows(int port_id, uint8_t core_id, struct 
rte_flow **flows_list)
 }
 
 static struct rte_flow **
-insert_flows(int port_id, uint8_t core_id)
+insert_flows(int port_id, uint8_t core_id, uint16_t dst_port_id)
 {
        struct rte_flow **flows_list;
        struct rte_flow_error error;
@@ -1173,8 +1210,8 @@ insert_flows(int port_id, uint8_t core_id)
                 * group 0 eth / end actions jump group <flow_group>
                 */
                flow = generate_flow(port_id, 0, flow_attrs,
-                       global_items, global_actions,
-                       flow_group, 0, 0, 0, 0, core_id, unique_data, &error);
+                       global_items, global_actions, flow_group, 0, 0, 0, 0,
+                       dst_port_id, core_id, unique_data, &error);
 
                if (flow == NULL) {
                        print_flow_error(error);
@@ -1189,7 +1226,7 @@ insert_flows(int port_id, uint8_t core_id)
                        flow_attrs, flow_items, flow_actions,
                        JUMP_ACTION_TABLE, counter,
                        hairpin_queues_num,
-                       encap_data, decap_data,
+                       encap_data, decap_data, dst_port_id,
                        core_id, unique_data, &error);
 
                if (!counter) {
@@ -1250,6 +1287,7 @@ static void
 flows_handler(uint8_t core_id)
 {
        struct rte_flow **flows_list;
+       uint16_t port_idx = 0;
        uint16_t nr_ports;
        int port_id;
 
@@ -1269,7 +1307,7 @@ flows_handler(uint8_t core_id)
                mc_pool.last_alloc[core_id] = (int64_t)dump_socket_mem(stdout);
                if (has_meter())
                        meters_handler(port_id, core_id, METER_CREATE);
-               flows_list = insert_flows(port_id, core_id);
+               flows_list = insert_flows(port_id, core_id, 
dst_ports[port_idx++]);
                if (flows_list == NULL)
                        rte_exit(EXIT_FAILURE, "Error: Insertion Failed!\n");
                mc_pool.current_alloc[core_id] = 
(int64_t)dump_socket_mem(stdout);
diff --git a/doc/guides/tools/flow-perf.rst b/doc/guides/tools/flow-perf.rst
index 280bf7e0e0..23047b4bdf 100644
--- a/doc/guides/tools/flow-perf.rst
+++ b/doc/guides/tools/flow-perf.rst
@@ -96,6 +96,12 @@ The command line options are:
 *      ``--portmask=N``
        hexadecimal bitmask of ports to be used.
 
+*      ``--dst-ports=N,M``
+       Destination ports for ports with port-id action, the number of values
+       must be the same with number of set bits in portmask, and the parameter
+       is only valid for port-id action. The parameter is not MUST, the value
+       is by default 1 as before if not provided.
+
 *      ``--cores=N``
        Set the number of needed cores to insert/delete rte_flow rules.
        Default cores count is 1.
-- 
2.33.0

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