net: add rte prefix to ether structures
[dpdk.git] / doc / guides / sample_app_ug / flow_filtering.rst
index 725dcb4..02fc675 100644 (file)
@@ -1,33 +1,5 @@
-..  BSD LICENSE
-    Copyright(c) 2017 Mellanox Corporation. All rights reserved.
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions
-    are met:
-
-    * Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in
-    the documentation and/or other materials provided with the
-    distribution.
-    * Neither the name of Mellanox Corporation nor the names of its
-    contributors may be used to endorse or promote products derived
-    from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
+..  SPDX-License-Identifier: BSD-3-Clause
+    Copyright 2017 Mellanox Technologies, Ltd
 
 Basic RTE Flow Filtering Sample Application
 ===========================================
 
 Basic RTE Flow Filtering Sample Application
 ===========================================
@@ -54,7 +26,7 @@ Set the target, for example:
 
 .. code-block:: console
 
 
 .. code-block:: console
 
-    export RTE_TARGET=x86_64-native-linuxapp-gcc
+    export RTE_TARGET=x86_64-native-linux-gcc
 
 See the *DPDK Getting Started* Guide for possible ``RTE_TARGET`` values.
 
 
 See the *DPDK Getting Started* Guide for possible ``RTE_TARGET`` values.
 
@@ -68,7 +40,7 @@ Build the application as follows:
 Running the Application
 -----------------------
 
 Running the Application
 -----------------------
 
-To run the example in a ``linuxapp`` environment:
+To run the example in a ``linux`` environment:
 
 .. code-block:: console
 
 
 .. code-block:: console
 
@@ -81,7 +53,7 @@ applications and the Environment Abstraction Layer (EAL) options.
 Explanation
 -----------
 
 Explanation
 -----------
 
-The example is build from 2 main files,
+The example is built from 2 files,
 ``main.c`` which holds the example logic and ``flow_blocks.c`` that holds the
 implementation for building the flow rule.
 
 ``main.c`` which holds the example logic and ``flow_blocks.c`` that holds the
 implementation for building the flow rule.
 
@@ -167,44 +139,61 @@ application is shown below:
            struct rte_eth_conf port_conf = {
                    .rxmode = {
                            .split_hdr_size = 0,
            struct rte_eth_conf port_conf = {
                    .rxmode = {
                            .split_hdr_size = 0,
-                           /**< Header Split disabled */
-                           .header_split   = 0,
-                           /**< IP checksum offload disabled */
-                           .hw_ip_checksum = 0,
-                           /**< VLAN filtering disabled */
-                           .hw_vlan_filter = 0,
-                           /**< Jumbo Frame Support disabled */
-                           .jumbo_frame    = 0,
-                           /**< CRC stripped by hardware */
-                           .hw_strip_crc   = 1,
+                           },
+                   .txmode = {
+                           .offloads =
+                                   DEV_TX_OFFLOAD_VLAN_INSERT |
+                                   DEV_TX_OFFLOAD_IPV4_CKSUM  |
+                                   DEV_TX_OFFLOAD_UDP_CKSUM   |
+                                   DEV_TX_OFFLOAD_TCP_CKSUM   |
+                                   DEV_TX_OFFLOAD_SCTP_CKSUM  |
+                                   DEV_TX_OFFLOAD_TCP_TSO,
                    },
            };
                    },
            };
+           struct rte_eth_txconf txq_conf;
+           struct rte_eth_rxconf rxq_conf;
+           struct rte_eth_dev_info dev_info;
 
            printf(":: initializing port: %d\n", port_id);
            ret = rte_eth_dev_configure(port_id,
 
            printf(":: initializing port: %d\n", port_id);
            ret = rte_eth_dev_configure(port_id,
-                                   nr_queues, nr_queues, &port_conf);
+                   nr_queues, nr_queues, &port_conf);
            if (ret < 0) {
                    rte_exit(EXIT_FAILURE,
                            ":: cannot configure device: err=%d, port=%u\n",
                            ret, port_id);
            }
 
            if (ret < 0) {
                    rte_exit(EXIT_FAILURE,
                            ":: cannot configure device: err=%d, port=%u\n",
                            ret, port_id);
            }
 
+           rte_eth_dev_info_get(port_id, &dev_info);
+           rxq_conf = dev_info.default_rxconf;
+           rxq_conf.offloads = port_conf.rxmode.offloads;
            /* only set Rx queues: something we care only so far */
            for (i = 0; i < nr_queues; i++) {
                    ret = rte_eth_rx_queue_setup(port_id, i, 512,
            /* only set Rx queues: something we care only so far */
            for (i = 0; i < nr_queues; i++) {
                    ret = rte_eth_rx_queue_setup(port_id, i, 512,
-                                        rte_eth_dev_socket_id(port_id),
-                                        NULL,
-                                        mbuf_pool);
+                           rte_eth_dev_socket_id(port_id),
+                           &rxq_conf,
+                           mbuf_pool);
                    if (ret < 0) {
                    if (ret < 0) {
-                           rte_exit(EXIT_FAILURE,
-                              ":: Rx queue setup failed: err=%d, port=%u\n",
-                              ret, port_id);
+                            rte_exit(EXIT_FAILURE,
+                                    ":: Rx queue setup failed: err=%d, port=%u\n",
+                                    ret, port_id);
                    }
            }
 
                    }
            }
 
+           txq_conf = dev_info.default_txconf;
+           txq_conf.offloads = port_conf.txmode.offloads;
 
 
-           rte_eth_promiscuous_enable(port_id);
+           for (i = 0; i < nr_queues; i++) {
+                   ret = rte_eth_tx_queue_setup(port_id, i, 512,
+                           rte_eth_dev_socket_id(port_id),
+                           &txq_conf);
+                   if (ret < 0) {
+                           rte_exit(EXIT_FAILURE,
+                                   ":: Tx queue setup failed: err=%d, port=%u\n",
+                                   ret, port_id);
+                   }
+          }
 
 
+           rte_eth_promiscuous_enable(port_id);
            ret = rte_eth_dev_start(port_id);
            if (ret < 0) {
                    rte_exit(EXIT_FAILURE,
            ret = rte_eth_dev_start(port_id);
            if (ret < 0) {
                    rte_exit(EXIT_FAILURE,
@@ -223,20 +212,19 @@ The Ethernet port is configured with default settings using the
 .. code-block:: c
 
    struct rte_eth_conf port_conf = {
 .. code-block:: c
 
    struct rte_eth_conf port_conf = {
-                .rxmode = {
-                        .split_hdr_size = 0,
-                        /**< Header Split disabled */
-                        .header_split   = 0,
-                        /**< IP checksum offload disabled */
-                        .hw_ip_checksum = 0,
-                        /**< VLAN filtering disabled */
-                        .hw_vlan_filter = 0,
-                        /**< Jumbo Frame Support disabled */
-                        .jumbo_frame    = 0,
-                        /**< CRC stripped by hardware */
-                        .hw_strip_crc   = 1,
-                },
-   };
+           .rxmode = {
+                   .split_hdr_size = 0,
+                   },
+           .txmode = {
+                   .offloads =
+                           DEV_TX_OFFLOAD_VLAN_INSERT |
+                           DEV_TX_OFFLOAD_IPV4_CKSUM  |
+                           DEV_TX_OFFLOAD_UDP_CKSUM   |
+                           DEV_TX_OFFLOAD_TCP_CKSUM   |
+                           DEV_TX_OFFLOAD_SCTP_CKSUM  |
+                           DEV_TX_OFFLOAD_TCP_TSO,
+                   },
+           };
 
    ret = rte_eth_dev_configure(port_id, nr_queues, nr_queues, &port_conf);
    if (ret < 0) {
 
    ret = rte_eth_dev_configure(port_id, nr_queues, nr_queues, &port_conf);
    if (ret < 0) {
@@ -244,23 +232,37 @@ The Ethernet port is configured with default settings using the
                  ":: cannot configure device: err=%d, port=%u\n",
                  ret, port_id);
    }
                  ":: cannot configure device: err=%d, port=%u\n",
                  ret, port_id);
    }
+   rte_eth_dev_info_get(port_id, &dev_info);
+   rxq_conf = dev_info.default_rxconf;
+   rxq_conf.offloads = port_conf.rxmode.offloads;
 
 
-For this example we are configuring number of rx queues that are connected to
-a single port.
+For this example we are configuring number of rx and tx queues that are connected
+to a single port.
 
 .. code-block:: c
 
    for (i = 0; i < nr_queues; i++) {
           ret = rte_eth_rx_queue_setup(port_id, i, 512,
                                        rte_eth_dev_socket_id(port_id),
 
 .. code-block:: c
 
    for (i = 0; i < nr_queues; i++) {
           ret = rte_eth_rx_queue_setup(port_id, i, 512,
                                        rte_eth_dev_socket_id(port_id),
-                                       NULL,
+                                       &rxq_conf,
                                        mbuf_pool);
           if (ret < 0) {
                   rte_exit(EXIT_FAILURE,
                           ":: Rx queue setup failed: err=%d, port=%u\n",
                           ret, port_id);
           }
                                        mbuf_pool);
           if (ret < 0) {
                   rte_exit(EXIT_FAILURE,
                           ":: Rx queue setup failed: err=%d, port=%u\n",
                           ret, port_id);
           }
-  }
+   }
+
+   for (i = 0; i < nr_queues; i++) {
+          ret = rte_eth_tx_queue_setup(port_id, i, 512,
+                                       rte_eth_dev_socket_id(port_id),
+                                       &txq_conf);
+          if (ret < 0) {
+                  rte_exit(EXIT_FAILURE,
+                           ":: Tx queue setup failed: err=%d, port=%u\n",
+                           ret, port_id);
+          }
+   }
 
 In the next step we create and apply the flow rule. which is to send packets
 with destination ip equals to 192.168.1.1 to queue number 1. The detail
 
 In the next step we create and apply the flow rule. which is to send packets
 with destination ip equals to 192.168.1.1 to queue number 1. The detail
@@ -302,7 +304,7 @@ looks like the following:
    main_loop(void)
    {
            struct rte_mbuf *mbufs[32];
    main_loop(void)
    {
            struct rte_mbuf *mbufs[32];
-           struct ether_hdr *eth_hdr;
+           struct rte_ether_hdr *eth_hdr;
            uint16_t nb_rx;
            uint16_t i;
            uint16_t j;
            uint16_t nb_rx;
            uint16_t i;
            uint16_t j;
@@ -316,7 +318,7 @@ looks like the following:
                                            struct rte_mbuf *m = mbufs[j];
 
                                            eth_hdr = rte_pktmbuf_mtod(m,
                                            struct rte_mbuf *m = mbufs[j];
 
                                            eth_hdr = rte_pktmbuf_mtod(m,
-                                                        struct ether_hdr *);
+                                                        struct rte_ether_hdr *);
                                            print_ether_addr("src=",
                                                         &eth_hdr->s_addr);
                                            print_ether_addr(" - dst=",
                                            print_ether_addr("src=",
                                                         &eth_hdr->s_addr);
                                            print_ether_addr(" - dst=",
@@ -346,7 +348,7 @@ queues and printing for each packet the destination queue:
                 if (nb_rx) {
                         for (j = 0; j < nb_rx; j++) {
                              struct rte_mbuf *m = mbufs[j];
                 if (nb_rx) {
                         for (j = 0; j < nb_rx; j++) {
                              struct rte_mbuf *m = mbufs[j];
-                             eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+                             eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
                              print_ether_addr("src=", &eth_hdr->s_addr);
                              print_ether_addr(" - dst=", &eth_hdr->d_addr);
                              printf(" - queue=0x%x", (unsigned int)i);
                              print_ether_addr("src=", &eth_hdr->s_addr);
                              print_ether_addr(" - dst=", &eth_hdr->d_addr);
                              printf(" - queue=0x%x", (unsigned int)i);
@@ -365,7 +367,7 @@ The forwarding loop can be interrupted and the application closed using
 The generate_ipv4_flow function
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 The generate_ipv4_flow function
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-The generate_ipv4_rule function is responsible for creating the flow rule.
+The generate_ipv4_flow function is responsible for creating the flow rule.
 This function is located in the ``flow_blocks.c`` file.
 
 .. code-block:: c
 This function is located in the ``flow_blocks.c`` file.
 
 .. code-block:: c
@@ -378,13 +380,9 @@ This function is located in the ``flow_blocks.c`` file.
    {
            struct rte_flow_attr attr;
            struct rte_flow_item pattern[MAX_PATTERN_NUM];
    {
            struct rte_flow_attr attr;
            struct rte_flow_item pattern[MAX_PATTERN_NUM];
-           struct rte_flow_action action[MAX_PATTERN_NUM];
+           struct rte_flow_action action[MAX_ACTION_NUM];
            struct rte_flow *flow = NULL;
            struct rte_flow_action_queue queue = { .index = rx_q };
            struct rte_flow *flow = NULL;
            struct rte_flow_action_queue queue = { .index = rx_q };
-           struct rte_flow_item_eth eth_spec;
-           struct rte_flow_item_eth eth_mask;
-           struct rte_flow_item_vlan vlan_spec;
-           struct rte_flow_item_vlan vlan_mask;
            struct rte_flow_item_ipv4 ip_spec;
            struct rte_flow_item_ipv4 ip_mask;
 
            struct rte_flow_item_ipv4 ip_spec;
            struct rte_flow_item_ipv4 ip_mask;
 
@@ -402,37 +400,19 @@ This function is located in the ``flow_blocks.c`` file.
             * create the action sequence.
             * one action only,  move packet to queue
             */
             * create the action sequence.
             * one action only,  move packet to queue
             */
-
            action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE;
            action[0].conf = &queue;
            action[1].type = RTE_FLOW_ACTION_TYPE_END;
 
            /*
            action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE;
            action[0].conf = &queue;
            action[1].type = RTE_FLOW_ACTION_TYPE_END;
 
            /*
-            * set the first level of the pattern (eth).
+            * set the first level of the pattern (ETH).
             * since in this example we just want to get the
             * ipv4 we set this level to allow all.
             */
             * since in this example we just want to get the
             * ipv4 we set this level to allow all.
             */
-           memset(&eth_spec, 0, sizeof(struct rte_flow_item_eth));
-           memset(&eth_mask, 0, sizeof(struct rte_flow_item_eth));
-           eth_spec.type = 0;
-           eth_mask.type = 0;
            pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
            pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
-           pattern[0].spec = &eth_spec;
-           pattern[0].mask = &eth_mask;
 
            /*
 
            /*
-            * setting the second level of the pattern (vlan).
-            * since in this example we just want to get the
-            * ipv4 we also set this level to allow all.
-            */
-           memset(&vlan_spec, 0, sizeof(struct rte_flow_item_vlan));
-           memset(&vlan_mask, 0, sizeof(struct rte_flow_item_vlan));
-           pattern[1].type = RTE_FLOW_ITEM_TYPE_VLAN;
-           pattern[1].spec = &vlan_spec;
-           pattern[1].mask = &vlan_mask;
-
-           /*
-            * setting the third level of the pattern (ip).
+            * setting the second level of the pattern (IP).
             * in this example this is the level we care about
             * so we set it according to the parameters.
             */
             * in this example this is the level we care about
             * so we set it according to the parameters.
             */
@@ -442,12 +422,12 @@ This function is located in the ``flow_blocks.c`` file.
            ip_mask.hdr.dst_addr = dest_mask;
            ip_spec.hdr.src_addr = htonl(src_ip);
            ip_mask.hdr.src_addr = src_mask;
            ip_mask.hdr.dst_addr = dest_mask;
            ip_spec.hdr.src_addr = htonl(src_ip);
            ip_mask.hdr.src_addr = src_mask;
-           pattern[2].type = RTE_FLOW_ITEM_TYPE_IPV4;
-           pattern[2].spec = &ip_spec;
-           pattern[2].mask = &ip_mask;
+           pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
+           pattern[1].spec = &ip_spec;
+           pattern[1].mask = &ip_mask;
 
            /* the final level must be always type end */
 
            /* the final level must be always type end */
-           pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
+           pattern[2].type = RTE_FLOW_ITEM_TYPE_END;
 
            int res = rte_flow_validate(port_id, &attr, pattern, action, error);
            if(!res)
 
            int res = rte_flow_validate(port_id, &attr, pattern, action, error);
            if(!res)
@@ -462,14 +442,10 @@ The first part of the function is declaring the structures that will be used.
 
    struct rte_flow_attr attr;
    struct rte_flow_item pattern[MAX_PATTERN_NUM];
 
    struct rte_flow_attr attr;
    struct rte_flow_item pattern[MAX_PATTERN_NUM];
-   struct rte_flow_action action[MAX_PATTERN_NUM];
+   struct rte_flow_action action[MAX_ACTION_NUM];
    struct rte_flow *flow;
    struct rte_flow_error error;
    struct rte_flow_action_queue queue = { .index = rx_q };
    struct rte_flow *flow;
    struct rte_flow_error error;
    struct rte_flow_action_queue queue = { .index = rx_q };
-   struct rte_flow_item_eth eth_spec;
-   struct rte_flow_item_eth eth_mask;
-   struct rte_flow_item_vlan vlan_spec;
-   struct rte_flow_item_vlan vlan_mask;
    struct rte_flow_item_ipv4 ip_spec;
    struct rte_flow_item_ipv4 ip_mask;
 
    struct rte_flow_item_ipv4 ip_spec;
    struct rte_flow_item_ipv4 ip_mask;
 
@@ -489,33 +465,17 @@ the rule. In this case send the packet to queue.
    action[0].conf = &queue;
    action[1].type = RTE_FLOW_ACTION_TYPE_END;
 
    action[0].conf = &queue;
    action[1].type = RTE_FLOW_ACTION_TYPE_END;
 
-The forth part is responsible for creating the pattern and is build from
-number of step. In each step we build one level of the pattern starting with
+The fourth part is responsible for creating the pattern and is built from
+number of steps. In each step we build one level of the pattern starting with
 the lowest one.
 
 Setting the first level of the pattern ETH:
 
 .. code-block:: c
 
 the lowest one.
 
 Setting the first level of the pattern ETH:
 
 .. code-block:: c
 
-   memset(&eth_spec, 0, sizeof(struct rte_flow_item_eth));
-   memset(&eth_mask, 0, sizeof(struct rte_flow_item_eth));
-   eth_spec.type = 0;
-   eth_mask.type = 0;
    pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
    pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH;
-   pattern[0].spec = &eth_spec;
-   pattern[0].mask = &eth_mask;
-
-Setting the second level of the pattern VLAN:
-
-.. code-block:: c
-
-   memset(&vlan_spec, 0, sizeof(struct rte_flow_item_vlan));
-   memset(&vlan_mask, 0, sizeof(struct rte_flow_item_vlan));
-   pattern[1].type = RTE_FLOW_ITEM_TYPE_VLAN;
-   pattern[1].spec = &vlan_spec;
-   pattern[1].mask = &vlan_mask;
 
 
-Setting the third level ip:
+Setting the second level of the pattern IP:
 
 .. code-block:: c
 
 
 .. code-block:: c
 
@@ -525,15 +485,15 @@ Setting the third level ip:
    ip_mask.hdr.dst_addr = dest_mask;
    ip_spec.hdr.src_addr = htonl(src_ip);
    ip_mask.hdr.src_addr = src_mask;
    ip_mask.hdr.dst_addr = dest_mask;
    ip_spec.hdr.src_addr = htonl(src_ip);
    ip_mask.hdr.src_addr = src_mask;
-   pattern[2].type = RTE_FLOW_ITEM_TYPE_IPV4;
-   pattern[2].spec = &ip_spec;
-   pattern[2].mask = &ip_mask;
+   pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4;
+   pattern[1].spec = &ip_spec;
+   pattern[1].mask = &ip_mask;
 
 Closing the pattern part.
 
 .. code-block:: c
 
 
 Closing the pattern part.
 
 .. code-block:: c
 
-   pattern[3].type = RTE_FLOW_ITEM_TYPE_END;
+   pattern[2].type = RTE_FLOW_ITEM_TYPE_END;
 
 The last part of the function is to validate the rule and create it.
 
 
 The last part of the function is to validate the rule and create it.