From: Jerin Jacob <jerinjacobk@gmail.com> To: Andrey Vesnovaty <andreyv@mellanox.com> Cc: dpdk-dev <dev@dpdk.org>, jer@marvell.com, Thomas Monjalon <thomas@monjalon.net>, Ferruh Yigit <ferruh.yigit@intel.com>, Stephen Hemminger <stephen@networkplumber.org>, "Richardson, Bruce" <bruce.richardson@intel.com>, Ori Kam <orika@mellanox.com>, Slava Ovsiienko <viacheslavo@mellanox.com>, Andrey Vesnovaty <andrey.vesnovaty@gmail.com>, Marko Kovacevic <marko.kovacevic@intel.com>, Radu Nicolau <radu.nicolau@intel.com>, Akhil Goyal <akhil.goyal@nxp.com>, Tomasz Kantecki <tomasz.kantecki@intel.com>, Sunil Kumar Kori <skori@marvell.com>, Pavan Nikhilesh <pbhagavatula@marvell.com>, John McNamara <john.mcnamara@intel.com> Subject: Re: [dpdk-dev] [PATCH v2 6/6] examples/flow_filtering: utilize shared RSS action Date: Thu, 9 Jul 2020 10:14:01 +0530 Message-ID: <CALBAE1NQHPheit9ZN9-bC69nmkwTxAwjRWHL9ZnXi=dTKH8Z3w@mail.gmail.com> (raw) In-Reply-To: <20200708213946.30108-7-andreyv@mellanox.com> On Thu, Jul 9, 2020 at 3:09 AM Andrey Vesnovaty <andreyv@mellanox.com> wrote: > > This commit gives very first shared RSS action usage example and > demonstrates shared action capability for in-place update. > > First application creates shared action during initialization phase. What if PMD does not support a shared context, Then this application fails to run? if so, have a mode or probe the capability(if capability present then switches to new mode else fall back to old mode) before changing the application behavior. > Later on the flow object created by application uses previously created > shared RSS action with 1 queue configured instead of queue action in > original application. > > On each RX queue burst shared RSS action reconfigured via > rte_flow_shared_action_update() API to switch queue 0 to 1 & 1 to 0. > User supposed to observe consistent queue switches on each packet burst. > > Signed-off-by: Andrey Vesnovaty <andreyv@mellanox.com> > --- > doc/guides/sample_app_ug/flow_filtering.rst | 62 +++++++++++++++++---- > examples/flow_filtering/flow_blocks.c | 30 +++++----- > examples/flow_filtering/main.c | 41 +++++++++++++- > 3 files changed, 105 insertions(+), 28 deletions(-) > > diff --git a/doc/guides/sample_app_ug/flow_filtering.rst b/doc/guides/sample_app_ug/flow_filtering.rst > index 5e5a6cd8a0..cfe9334717 100644 > --- a/doc/guides/sample_app_ug/flow_filtering.rst > +++ b/doc/guides/sample_app_ug/flow_filtering.rst > @@ -106,7 +106,7 @@ following code: > .. code-block:: c > > /* create flow for send packet with */ > - flow = generate_ipv4_flow(port_id, selected_queue, > + flow = generate_ipv4_flow(port_id, shared_action, > SRC_IP, EMPTY_MASK, > DEST_IP, FULL_MASK, &error); > if (!flow) { > @@ -242,7 +242,7 @@ The Ethernet port is configured with default settings using the > rxq_conf = dev_info.default_rxconf; > rxq_conf.offloads = port_conf.rxmode.offloads; > > -For this example we are configuring number of rx and tx queues that are connected > +For this example we are configuring 2 rx and 2 tx queues that are connected > to a single port. > > .. code-block:: c > @@ -270,13 +270,22 @@ to a single port. > } > } > > +Before we create the flow we create shared action in order to send it as > +actions argument when creating a flow. The action is single queue RSS action > +similar to action queue with the only difference that shared RSS action > +provides update capability after action creation. > + > +.. code-block:: c > + > + shared_action = rte_flow_shared_action_create(port_id, &action, &error); > + > 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 > explanation of the ``generate_ipv4_flow()`` appears later in this document: > > .. code-block:: c > > - flow = generate_ipv4_flow(port_id, selected_queue, > + flow = generate_ipv4_flow(port_id, shared_action, > SRC_IP, EMPTY_MASK, > DEST_IP, FULL_MASK, &error); > > @@ -339,6 +348,21 @@ looks like the following: > printf("\n"); > rte_pktmbuf_free(m); > } > + if (rss_queue[0] == 0) { > + printf(">>> switching queue 0 -> 1\n"); > + rss_queue[0] = 1; > + } else { > + printf(">>> switching queue 1 -> 0\n"); > + rss_queue[0] = 0; > + } > + ret = rte_flow_shared_action_update > + (port_id, shared_action, &action, > + &error); > + if (ret) > + rte_exit(EXIT_FAILURE, > + ":: error: RSS action update " > + "failed: %s\n", > + rte_strerror(-ret)); > } > } > } > @@ -348,6 +372,8 @@ looks like the following: > rte_eth_dev_close(port_id); > } > > +On each loop eteration Rx queue switched using > +``rte_flow_shared_action_update()`` API. > The main work of the application is reading the packets from all > queues and printing for each packet the destination queue: > > @@ -365,6 +391,21 @@ queues and printing for each packet the destination queue: > printf(" - queue=0x%x", (unsigned int)i); > printf("\n"); > rte_pktmbuf_free(m); > + if (rss_queue[0] == 0) { > + printf(">>> switching queue 0 -> 1\n"); > + rss_queue[0] = 1; > + } else { > + printf(">>> switching queue 1 -> 0\n"); > + rss_queue[0] = 0; > + } > + ret = rte_flow_shared_action_update > + (port_id, shared_action, &action, > + &error); > + if (ret) > + rte_exit(EXIT_FAILURE, > + ":: error: RSS action update " > + "failed: %s\n", > + rte_strerror(-ret)); > } > } > } > @@ -378,13 +419,15 @@ The forwarding loop can be interrupted and the application closed using > The generate_ipv4_flow function > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > + > 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 > > static struct rte_flow * > - generate_ipv4_flow(uint8_t port_id, uint16_t rx_q, > + generate_ipv4_flow(uint8_t port_id, > + cstructrte_flow_shared_action *shared_action, > uint32_t src_ip, uint32_t src_mask, > uint32_t dest_ip, uint32_t dest_mask, > struct rte_flow_error *error) > @@ -393,7 +436,6 @@ This function is located in the ``flow_blocks.c`` file. > struct rte_flow_item pattern[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_item_ipv4 ip_spec; > struct rte_flow_item_ipv4 ip_mask; > > @@ -411,8 +453,8 @@ This function is located in the ``flow_blocks.c`` file. > * create the action sequence. > * one action only, move packet to queue > */ > - action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE; > - action[0].conf = &queue; > + action[0].type = RTE_FLOW_ACTION_TYPE_SHARED; > + action[0].conf = shared_action; > action[1].type = RTE_FLOW_ACTION_TYPE_END; > > /* > @@ -468,12 +510,12 @@ The following part create the flow attributes, in our case ingress. > attr.ingress = 1; > > The third part defines the action to be taken when a packet matches > -the rule. In this case send the packet to queue. > +the rule. In this case send the packet to single RSS queue. > > .. code-block:: c > > - action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE; > - action[0].conf = &queue; > + action[0].type = RTE_FLOW_ACTION_TYPE_SHARED; > + action[0].conf = shared_action; > action[1].type = RTE_FLOW_ACTION_TYPE_END; > > The fourth part is responsible for creating the pattern and is built from > diff --git a/examples/flow_filtering/flow_blocks.c b/examples/flow_filtering/flow_blocks.c > index 575d792810..99bfed3172 100644 > --- a/examples/flow_filtering/flow_blocks.c > +++ b/examples/flow_filtering/flow_blocks.c > @@ -6,11 +6,11 @@ > #define MAX_ACTION_NUM 2 > > struct rte_flow * > -generate_ipv4_flow(uint16_t port_id, uint16_t rx_q, > - uint32_t src_ip, uint32_t src_mask, > - uint32_t dest_ip, uint32_t dest_mask, > - struct rte_flow_error *error); > - > +generate_ipv4_flow(uint16_t port_id, > + struct rte_flow_shared_action *shared_action, > + uint32_t src_ip, uint32_t src_mask, > + uint32_t dest_ip, uint32_t dest_mask, > + struct rte_flow_error *error); > > /** > * create a flow rule that sends packets with matching src and dest ip > @@ -18,8 +18,8 @@ generate_ipv4_flow(uint16_t port_id, uint16_t rx_q, > * > * @param port_id > * The selected port. > - * @param rx_q > - * The selected target queue. > + * @param shared_action > + * The shared RSS action with single queue > * @param src_ip > * The src ip value to match the input packet. > * @param src_mask > @@ -35,16 +35,16 @@ generate_ipv4_flow(uint16_t port_id, uint16_t rx_q, > * A flow if the rule could be created else return NULL. > */ > struct rte_flow * > -generate_ipv4_flow(uint16_t port_id, uint16_t rx_q, > - uint32_t src_ip, uint32_t src_mask, > - uint32_t dest_ip, uint32_t dest_mask, > - struct rte_flow_error *error) > +generate_ipv4_flow(uint16_t port_id, > + struct rte_flow_shared_action *shared_action, > + uint32_t src_ip, uint32_t src_mask, > + uint32_t dest_ip, uint32_t dest_mask, > + struct rte_flow_error *error) > { > struct rte_flow_attr attr; > struct rte_flow_item pattern[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_item_ipv4 ip_spec; > struct rte_flow_item_ipv4 ip_mask; > int res; > @@ -61,10 +61,10 @@ generate_ipv4_flow(uint16_t port_id, uint16_t rx_q, > > /* > * create the action sequence. > - * one action only, move packet to queue > + * one action only, move packet to shared RSS queue > */ > - action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE; > - action[0].conf = &queue; > + action[0].type = RTE_FLOW_ACTION_TYPE_SHARED; > + action[0].conf = shared_action; > action[1].type = RTE_FLOW_ACTION_TYPE_END; > > /* > diff --git a/examples/flow_filtering/main.c b/examples/flow_filtering/main.c > index cc9e7e7808..d6b18d95fc 100644 > --- a/examples/flow_filtering/main.c > +++ b/examples/flow_filtering/main.c > @@ -32,8 +32,7 @@ > static volatile bool force_quit; > > static uint16_t port_id; > -static uint16_t nr_queues = 5; > -static uint8_t selected_queue = 1; > +static uint16_t nr_queues = 2; > struct rte_mempool *mbuf_pool; > struct rte_flow *flow; > > @@ -42,6 +41,24 @@ struct rte_flow *flow; > #define FULL_MASK 0xffffffff /* full mask */ > #define EMPTY_MASK 0x0 /* empty mask */ > > +struct rte_flow_shared_action *shared_action; > +uint16_t rss_queue[1] = {0}; > + > +struct rte_flow_action_rss action_rss = { > + .func = RTE_ETH_HASH_FUNCTION_DEFAULT, > + .level = 0, > + .types = 0, > + .key_len = 0, > + .key = NULL, > + .queue = rss_queue, > + .queue_num = 1, > +}; > + > +struct rte_flow_action action = { > + .type = RTE_FLOW_ACTION_TYPE_RSS, > + .conf = &action_rss, > +}; > + > #include "flow_blocks.c" > > static inline void > @@ -61,6 +78,7 @@ main_loop(void) > uint16_t nb_rx; > uint16_t i; > uint16_t j; > + int ret; > > while (!force_quit) { > for (i = 0; i < nr_queues; i++) { > @@ -82,6 +100,21 @@ main_loop(void) > > rte_pktmbuf_free(m); > } > + if (rss_queue[0] == 0) { > + printf(">>> switching queue 0 -> 1\n"); > + rss_queue[0] = 1; > + } else { > + printf(">>> switching queue 1 -> 0\n"); > + rss_queue[0] = 0; > + } > + ret = rte_flow_shared_action_update > + (port_id, shared_action, &action, > + &error); > + if (ret) > + rte_exit(EXIT_FAILURE, > + ":: error: RSS action update " > + "failed: %s\n", > + rte_strerror(-ret)); > } > } > } > @@ -243,8 +276,10 @@ main(int argc, char **argv) > > init_port(); > > + shared_action = rte_flow_shared_action_create(port_id, &action, &error); > + > /* create flow for send packet with */ > - flow = generate_ipv4_flow(port_id, selected_queue, > + flow = generate_ipv4_flow(port_id, shared_action, > SRC_IP, EMPTY_MASK, > DEST_IP, FULL_MASK, &error); > if (!flow) { > -- > 2.26.2 >
next prev parent reply other threads:[~2020-07-09 4:44 UTC|newest] Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-02 12:05 [dpdk-dev] [PATCH] add flow shared action API Andrey Vesnovaty 2020-07-03 15:02 ` Jerin Jacob 2020-07-03 15:21 ` Thomas Monjalon 2020-07-04 9:54 ` Andrey Vesnovaty 2020-07-04 10:10 ` Andrey Vesnovaty 2020-07-04 12:33 ` Jerin Jacob 2020-07-05 10:26 ` Ori Kam 2020-07-06 9:00 ` Jerin Jacob 2020-07-06 12:28 ` Ori Kam 2020-07-06 13:32 ` Andrey Vesnovaty 2020-07-07 2:30 ` Jerin Jacob 2020-07-07 6:21 ` Ori Kam 2020-07-07 15:21 ` Ferruh Yigit 2020-07-07 17:24 ` Ori Kam 2020-07-07 17:52 ` Ferruh Yigit 2020-07-07 19:38 ` Jerin Jacob 2020-07-07 21:03 ` Ori Kam 2020-07-08 9:25 ` Jerin Jacob 2020-07-08 9:47 ` Ori Kam 2020-07-08 11:00 ` Jerin Jacob 2020-07-08 11:50 ` Thomas Monjalon 2020-07-08 12:18 ` Ori Kam [not found] ` <20200708204015.24429-2-andreyv@mellanox.com> 2020-07-13 8:04 ` [dpdk-dev] [PATCH v2 1/6] ethdev: " Kinsella, Ray 2020-07-13 10:16 ` Andrew Rybchenko 2020-07-15 8:54 ` Andrew Rybchenko 2020-07-15 9:00 ` Andrew Rybchenko 2020-09-15 11:30 ` Andrey Vesnovaty [not found] ` <20200708204015.24429-3-andreyv@mellanox.com> 2020-07-13 8:06 ` [dpdk-dev] [PATCH v2 2/6] common/mlx5: modify advanced Rx object via DevX Kinsella, Ray 2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 0/6] add flow shared action API + PMD Andrey Vesnovaty 2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 1/6] ethdev: add flow shared action API Andrey Vesnovaty 2020-09-12 2:18 ` Ajit Khaparde 2020-09-15 11:50 ` Andrey Vesnovaty 2020-09-15 15:49 ` Ajit Khaparde 2020-09-16 15:52 ` Andrey Vesnovaty 2020-09-16 19:20 ` Ajit Khaparde 2020-09-17 15:33 ` Andrew Rybchenko 2020-09-17 16:02 ` Ori Kam 2020-09-24 19:25 ` Ajit Khaparde 2020-09-26 11:09 ` Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 00/10] RTE flow shared action Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 01/10] ethdev: add flow shared action API Andrey Vesnovaty 2020-10-04 11:10 ` Ori Kam 2020-10-06 10:22 ` Andrey Vesnovaty 2020-10-04 17:00 ` Stephen Hemminger 2020-10-04 17:01 ` Stephen Hemminger 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 02/10] ethdev: add conf arg to shared action icreate API Andrey Vesnovaty 2020-10-04 11:11 ` Ori Kam 2020-10-06 10:28 ` Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 03/10] common/mlx5: modify advanced Rx object via DevX Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 04/10] net/mlx5: modify hash Rx queue objects Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 05/10] net/mlx5: shared action PMD Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 06/10] net/mlx5: shared action PMD create conf arg Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 07/10] net/mlx5: driver support for shared action Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 08/10] net/mlx5: shared action create conf drv support Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 09/10] examples/flow_filtering: utilize shared RSS action Andrey Vesnovaty 2020-10-04 11:21 ` Ori Kam 2020-10-06 10:34 ` Andrey Vesnovaty 2020-10-03 22:06 ` [dpdk-dev] [PATCH v3 10/10] app/testpmd: support shared action Andrey Vesnovaty 2020-10-04 11:28 ` Ori Kam 2020-10-04 12:04 ` Ori Kam 2020-10-06 10:36 ` Andrey Vesnovaty 2020-10-04 11:14 ` [dpdk-dev] [PATCH v3 00/10] RTE flow " Ori Kam 2020-10-06 10:28 ` Andrey Vesnovaty 2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 2/6] common/mlx5: modify advanced Rx object via DevX Andrey Vesnovaty 2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 3/6] net/mlx5: modify hash Rx queue objects Andrey Vesnovaty 2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 4/6] net/mlx5: shared action PMD Andrey Vesnovaty 2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 5/6] net/mlx5: driver support for shared action Andrey Vesnovaty 2020-07-08 21:39 ` [dpdk-dev] [PATCH v2 6/6] examples/flow_filtering: utilize shared RSS action Andrey Vesnovaty 2020-07-09 4:44 ` Jerin Jacob [this message] 2020-07-09 6:08 ` Ori Kam 2020-07-09 12:25 ` Andrey Vesnovaty 2020-07-09 12:39 ` Thomas Monjalon 2020-07-09 4:39 ` [dpdk-dev] [PATCH v2 0/6] add flow shared action API + PMD Jerin Jacob 2020-10-06 20:08 ` [dpdk-dev] [PATCH v4 0/2] RTE flow shared action Andrey Vesnovaty 2020-10-06 20:08 ` [dpdk-dev] [PATCH v4 1/2] ethdev: add flow shared action API Andrey Vesnovaty 2020-10-07 6:27 ` Ori Kam 2020-10-06 20:08 ` [dpdk-dev] [PATCH v4 2/2] app/testpmd: support shared action Andrey Vesnovaty 2020-10-07 6:30 ` Ori Kam 2020-10-07 12:56 ` [dpdk-dev] [PATCH v5 0/2] RTE flow " Andrey Vesnovaty 2020-10-07 12:56 ` [dpdk-dev] [PATCH v5 1/2] ethdev: add flow shared action API Andrey Vesnovaty 2020-10-07 13:01 ` Ori Kam 2020-10-07 21:23 ` Ajit Khaparde 2020-10-08 7:28 ` Andrey Vesnovaty 2020-10-07 12:56 ` [dpdk-dev] [PATCH v5 2/2] app/testpmd: support shared action Andrey Vesnovaty 2020-10-07 18:36 ` [dpdk-dev] [PATCH v6 0/2] RTE flow " Andrey Vesnovaty 2020-10-07 18:36 ` [dpdk-dev] [PATCH v6 1/2] ethdev: add flow shared action API Andrey Vesnovaty 2020-10-07 18:36 ` [dpdk-dev] [PATCH v6 2/2] app/testpmd: support shared action Andrey Vesnovaty 2020-10-07 20:01 ` Ajit Khaparde 2020-10-08 10:58 ` Andrey Vesnovaty 2020-10-08 11:51 ` [dpdk-dev] [PATCH v7 0/2] RTE flow " Andrey Vesnovaty 2020-10-08 11:51 ` [dpdk-dev] [PATCH v7 1/2] ethdev: add flow shared action API Andrey Vesnovaty 2020-10-08 22:30 ` Ajit Khaparde 2020-10-14 11:47 ` Andrey Vesnovaty 2020-10-12 14:19 ` Andrew Rybchenko 2020-10-13 20:06 ` Andrey Vesnovaty 2020-10-14 6:49 ` Andrew Rybchenko 2020-10-14 7:22 ` Thomas Monjalon 2020-10-14 11:43 ` Andrey Vesnovaty 2020-10-14 11:42 ` Andrey Vesnovaty 2020-10-08 11:51 ` [dpdk-dev] [PATCH v7 2/2] app/testpmd: support shared action Andrey Vesnovaty 2020-10-08 23:54 ` Ajit Khaparde 2020-10-14 11:40 ` [dpdk-dev] [PATCH v8 0/2] RTE flow " Andrey Vesnovaty 2020-10-14 11:40 ` [dpdk-dev] [PATCH v8 1/2] ethdev: add shared actions to flow API Andrey Vesnovaty 2020-10-14 11:44 ` Andrew Rybchenko 2020-10-14 16:17 ` Ferruh Yigit 2020-10-14 11:40 ` [dpdk-dev] [PATCH v8 2/2] app/testpmd: support shared action Andrey Vesnovaty
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