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numam-dpdk/examples/load_balancer/main.h
Konstantin Ananyev 824cb29c0e apps: fix default mbuf size 
Latest mbuf changes (priv_size addition and related fixes)
exposed small problem with testpmd and few other sample apps:
when mbuf size is exaclty 2KB or less, that causes
ixgbe PMD to select scattered RX even for configs with 'normal'
max packet length (max_rx_pkt_len == ETHER_MAX_LEN).
To overcome that problem and unify the code, new macro was created
to represent recommended minimal buffer length for mbuf.
When appropriate, samples are updated to use that macro.

Fixes: dfb03bbe2b ("app/testpmd: use standard functions to initialize
mbufs and mbuf pool")

Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
2015-05-11 15:51:14 +02:00

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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel 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 Intel 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.
*/
#ifndef _MAIN_H_
#define _MAIN_H_
/* Logical cores */
#ifndef APP_MAX_SOCKETS
#define APP_MAX_SOCKETS 2
#endif
#ifndef APP_MAX_LCORES
#define APP_MAX_LCORES RTE_MAX_LCORE
#endif
#ifndef APP_MAX_NIC_PORTS
#define APP_MAX_NIC_PORTS RTE_MAX_ETHPORTS
#endif
#ifndef APP_MAX_RX_QUEUES_PER_NIC_PORT
#define APP_MAX_RX_QUEUES_PER_NIC_PORT 128
#endif
#ifndef APP_MAX_TX_QUEUES_PER_NIC_PORT
#define APP_MAX_TX_QUEUES_PER_NIC_PORT 128
#endif
#ifndef APP_MAX_IO_LCORES
#define APP_MAX_IO_LCORES 16
#endif
#if (APP_MAX_IO_LCORES > APP_MAX_LCORES)
#error "APP_MAX_IO_LCORES is too big"
#endif
#ifndef APP_MAX_NIC_RX_QUEUES_PER_IO_LCORE
#define APP_MAX_NIC_RX_QUEUES_PER_IO_LCORE 16
#endif
#ifndef APP_MAX_NIC_TX_PORTS_PER_IO_LCORE
#define APP_MAX_NIC_TX_PORTS_PER_IO_LCORE 16
#endif
#if (APP_MAX_NIC_TX_PORTS_PER_IO_LCORE > APP_MAX_NIC_PORTS)
#error "APP_MAX_NIC_TX_PORTS_PER_IO_LCORE too big"
#endif
#ifndef APP_MAX_WORKER_LCORES
#define APP_MAX_WORKER_LCORES 16
#endif
#if (APP_MAX_WORKER_LCORES > APP_MAX_LCORES)
#error "APP_MAX_WORKER_LCORES is too big"
#endif
/* Mempools */
#ifndef APP_DEFAULT_MBUF_DATA_SIZE
#define APP_DEFAULT_MBUF_DATA_SIZE RTE_MBUF_DEFAULT_BUF_SIZE
#endif
#ifndef APP_DEFAULT_MEMPOOL_BUFFERS
#define APP_DEFAULT_MEMPOOL_BUFFERS 8192 * 4
#endif
#ifndef APP_DEFAULT_MEMPOOL_CACHE_SIZE
#define APP_DEFAULT_MEMPOOL_CACHE_SIZE 256
#endif
/* LPM Tables */
#ifndef APP_MAX_LPM_RULES
#define APP_MAX_LPM_RULES 1024
#endif
/* NIC RX */
#ifndef APP_DEFAULT_NIC_RX_RING_SIZE
#define APP_DEFAULT_NIC_RX_RING_SIZE 1024
#endif
/*
* RX and TX Prefetch, Host, and Write-back threshold values should be
* carefully set for optimal performance. Consult the network
* controller's datasheet and supporting DPDK documentation for guidance
* on how these parameters should be set.
*/
#ifndef APP_DEFAULT_NIC_RX_PTHRESH
#define APP_DEFAULT_NIC_RX_PTHRESH 8
#endif
#ifndef APP_DEFAULT_NIC_RX_HTHRESH
#define APP_DEFAULT_NIC_RX_HTHRESH 8
#endif
#ifndef APP_DEFAULT_NIC_RX_WTHRESH
#define APP_DEFAULT_NIC_RX_WTHRESH 4
#endif
#ifndef APP_DEFAULT_NIC_RX_FREE_THRESH
#define APP_DEFAULT_NIC_RX_FREE_THRESH 64
#endif
#ifndef APP_DEFAULT_NIC_RX_DROP_EN
#define APP_DEFAULT_NIC_RX_DROP_EN 0
#endif
/* NIC TX */
#ifndef APP_DEFAULT_NIC_TX_RING_SIZE
#define APP_DEFAULT_NIC_TX_RING_SIZE 1024
#endif
/*
* These default values are optimized for use with the Intel(R) 82599 10 GbE
* Controller and the DPDK ixgbe PMD. Consider using other values for other
* network controllers and/or network drivers.
*/
#ifndef APP_DEFAULT_NIC_TX_PTHRESH
#define APP_DEFAULT_NIC_TX_PTHRESH 36
#endif
#ifndef APP_DEFAULT_NIC_TX_HTHRESH
#define APP_DEFAULT_NIC_TX_HTHRESH 0
#endif
#ifndef APP_DEFAULT_NIC_TX_WTHRESH
#define APP_DEFAULT_NIC_TX_WTHRESH 0
#endif
#ifndef APP_DEFAULT_NIC_TX_FREE_THRESH
#define APP_DEFAULT_NIC_TX_FREE_THRESH 0
#endif
#ifndef APP_DEFAULT_NIC_TX_RS_THRESH
#define APP_DEFAULT_NIC_TX_RS_THRESH 0
#endif
/* Software Rings */
#ifndef APP_DEFAULT_RING_RX_SIZE
#define APP_DEFAULT_RING_RX_SIZE 1024
#endif
#ifndef APP_DEFAULT_RING_TX_SIZE
#define APP_DEFAULT_RING_TX_SIZE 1024
#endif
/* Bursts */
#ifndef APP_MBUF_ARRAY_SIZE
#define APP_MBUF_ARRAY_SIZE 512
#endif
#ifndef APP_DEFAULT_BURST_SIZE_IO_RX_READ
#define APP_DEFAULT_BURST_SIZE_IO_RX_READ 144
#endif
#if (APP_DEFAULT_BURST_SIZE_IO_RX_READ > APP_MBUF_ARRAY_SIZE)
#error "APP_DEFAULT_BURST_SIZE_IO_RX_READ is too big"
#endif
#ifndef APP_DEFAULT_BURST_SIZE_IO_RX_WRITE
#define APP_DEFAULT_BURST_SIZE_IO_RX_WRITE 144
#endif
#if (APP_DEFAULT_BURST_SIZE_IO_RX_WRITE > APP_MBUF_ARRAY_SIZE)
#error "APP_DEFAULT_BURST_SIZE_IO_RX_WRITE is too big"
#endif
#ifndef APP_DEFAULT_BURST_SIZE_IO_TX_READ
#define APP_DEFAULT_BURST_SIZE_IO_TX_READ 144
#endif
#if (APP_DEFAULT_BURST_SIZE_IO_TX_READ > APP_MBUF_ARRAY_SIZE)
#error "APP_DEFAULT_BURST_SIZE_IO_TX_READ is too big"
#endif
#ifndef APP_DEFAULT_BURST_SIZE_IO_TX_WRITE
#define APP_DEFAULT_BURST_SIZE_IO_TX_WRITE 144
#endif
#if (APP_DEFAULT_BURST_SIZE_IO_TX_WRITE > APP_MBUF_ARRAY_SIZE)
#error "APP_DEFAULT_BURST_SIZE_IO_TX_WRITE is too big"
#endif
#ifndef APP_DEFAULT_BURST_SIZE_WORKER_READ
#define APP_DEFAULT_BURST_SIZE_WORKER_READ 144
#endif
#if ((2 * APP_DEFAULT_BURST_SIZE_WORKER_READ) > APP_MBUF_ARRAY_SIZE)
#error "APP_DEFAULT_BURST_SIZE_WORKER_READ is too big"
#endif
#ifndef APP_DEFAULT_BURST_SIZE_WORKER_WRITE
#define APP_DEFAULT_BURST_SIZE_WORKER_WRITE 144
#endif
#if (APP_DEFAULT_BURST_SIZE_WORKER_WRITE > APP_MBUF_ARRAY_SIZE)
#error "APP_DEFAULT_BURST_SIZE_WORKER_WRITE is too big"
#endif
/* Load balancing logic */
#ifndef APP_DEFAULT_IO_RX_LB_POS
#define APP_DEFAULT_IO_RX_LB_POS 29
#endif
#if (APP_DEFAULT_IO_RX_LB_POS >= 64)
#error "APP_DEFAULT_IO_RX_LB_POS is too big"
#endif
struct app_mbuf_array {
struct rte_mbuf *array[APP_MBUF_ARRAY_SIZE];
uint32_t n_mbufs;
};
enum app_lcore_type {
e_APP_LCORE_DISABLED = 0,
e_APP_LCORE_IO,
e_APP_LCORE_WORKER
};
struct app_lcore_params_io {
/* I/O RX */
struct {
/* NIC */
struct {
uint8_t port;
uint8_t queue;
} nic_queues[APP_MAX_NIC_RX_QUEUES_PER_IO_LCORE];
uint32_t n_nic_queues;
/* Rings */
struct rte_ring *rings[APP_MAX_WORKER_LCORES];
uint32_t n_rings;
/* Internal buffers */
struct app_mbuf_array mbuf_in;
struct app_mbuf_array mbuf_out[APP_MAX_WORKER_LCORES];
uint8_t mbuf_out_flush[APP_MAX_WORKER_LCORES];
/* Stats */
uint32_t nic_queues_count[APP_MAX_NIC_RX_QUEUES_PER_IO_LCORE];
uint32_t nic_queues_iters[APP_MAX_NIC_RX_QUEUES_PER_IO_LCORE];
uint32_t rings_count[APP_MAX_WORKER_LCORES];
uint32_t rings_iters[APP_MAX_WORKER_LCORES];
} rx;
/* I/O TX */
struct {
/* Rings */
struct rte_ring *rings[APP_MAX_NIC_PORTS][APP_MAX_WORKER_LCORES];
/* NIC */
uint8_t nic_ports[APP_MAX_NIC_TX_PORTS_PER_IO_LCORE];
uint32_t n_nic_ports;
/* Internal buffers */
struct app_mbuf_array mbuf_out[APP_MAX_NIC_TX_PORTS_PER_IO_LCORE];
uint8_t mbuf_out_flush[APP_MAX_NIC_TX_PORTS_PER_IO_LCORE];
/* Stats */
uint32_t rings_count[APP_MAX_NIC_PORTS][APP_MAX_WORKER_LCORES];
uint32_t rings_iters[APP_MAX_NIC_PORTS][APP_MAX_WORKER_LCORES];
uint32_t nic_ports_count[APP_MAX_NIC_TX_PORTS_PER_IO_LCORE];
uint32_t nic_ports_iters[APP_MAX_NIC_TX_PORTS_PER_IO_LCORE];
} tx;
};
struct app_lcore_params_worker {
/* Rings */
struct rte_ring *rings_in[APP_MAX_IO_LCORES];
uint32_t n_rings_in;
struct rte_ring *rings_out[APP_MAX_NIC_PORTS];
/* LPM table */
struct rte_lpm *lpm_table;
uint32_t worker_id;
/* Internal buffers */
struct app_mbuf_array mbuf_in;
struct app_mbuf_array mbuf_out[APP_MAX_NIC_PORTS];
uint8_t mbuf_out_flush[APP_MAX_NIC_PORTS];
/* Stats */
uint32_t rings_in_count[APP_MAX_IO_LCORES];
uint32_t rings_in_iters[APP_MAX_IO_LCORES];
uint32_t rings_out_count[APP_MAX_NIC_PORTS];
uint32_t rings_out_iters[APP_MAX_NIC_PORTS];
};
struct app_lcore_params {
union {
struct app_lcore_params_io io;
struct app_lcore_params_worker worker;
};
enum app_lcore_type type;
struct rte_mempool *pool;
} __rte_cache_aligned;
struct app_lpm_rule {
uint32_t ip;
uint8_t depth;
uint8_t if_out;
};
struct app_params {
/* lcore */
struct app_lcore_params lcore_params[APP_MAX_LCORES];
/* NIC */
uint8_t nic_rx_queue_mask[APP_MAX_NIC_PORTS][APP_MAX_RX_QUEUES_PER_NIC_PORT];
uint8_t nic_tx_port_mask[APP_MAX_NIC_PORTS];
/* mbuf pools */
struct rte_mempool *pools[APP_MAX_SOCKETS];
/* LPM tables */
struct rte_lpm *lpm_tables[APP_MAX_SOCKETS];
struct app_lpm_rule lpm_rules[APP_MAX_LPM_RULES];
uint32_t n_lpm_rules;
/* rings */
uint32_t nic_rx_ring_size;
uint32_t nic_tx_ring_size;
uint32_t ring_rx_size;
uint32_t ring_tx_size;
/* burst size */
uint32_t burst_size_io_rx_read;
uint32_t burst_size_io_rx_write;
uint32_t burst_size_io_tx_read;
uint32_t burst_size_io_tx_write;
uint32_t burst_size_worker_read;
uint32_t burst_size_worker_write;
/* load balancing */
uint8_t pos_lb;
} __rte_cache_aligned;
extern struct app_params app;
int app_parse_args(int argc, char **argv);
void app_print_usage(void);
void app_init(void);
int app_lcore_main_loop(void *arg);
int app_get_nic_rx_queues_per_port(uint8_t port);
int app_get_lcore_for_nic_rx(uint8_t port, uint8_t queue, uint32_t *lcore_out);
int app_get_lcore_for_nic_tx(uint8_t port, uint32_t *lcore_out);
int app_is_socket_used(uint32_t socket);
uint32_t app_get_lcores_io_rx(void);
uint32_t app_get_lcores_worker(void);
void app_print_params(void);
#endif /* _MAIN_H_ */
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