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/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _KNI_PROC_H_
#define _KNI_PROC_H_
#include <rte_kni.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif
#define KNI_MAX_KTHREAD 32
/* the kni is runned on the lcore from below on */
#define DEFAULT_KNI_LCORE_BASE 24
/* Structure of kni para */
struct disp_kni_para
{
u8_t queue_id;
u8_t port_id;
};
/*
* Structure of port parameters
*/
struct kni_port_params
{
uint8_t port_id; /* Port ID */
unsigned lcore_rx; /* lcore ID for RX */
unsigned lcore_tx; /* lcore ID for TX */
uint32_t nb_lcore_k; /* Number of lcores for KNI multi kernel threads */
uint32_t nb_kni; /* Number of KNI devices to be created */
unsigned lcore_k[KNI_MAX_KTHREAD]; /* lcore ID list for kthreads */
struct rte_kni *kni[KNI_MAX_KTHREAD]; /* KNI context pointers */
struct rte_mempool *kni_pktmbuf_pool;
u8_t ip_reconfigured;
} __rte_cache_aligned;
/* Structure type for storing kni interface specific stats */
struct kni_interface_stats
{
/* number of pkts received from NIC, and sent to KNI */
uint64_t rx_packets;
/* number of pkts received from NIC, but failed to send to KNI */
uint64_t rx_dropped;
/* number of pkts received from KNI, and sent to NIC */
uint64_t tx_packets;
/* number of pkts received from KNI, but failed to send to NIC */
uint64_t tx_dropped;
};
/* External interface for initilizing KNI subsystem */
int kni_proc_init(enum rte_proc_type_t proc_type, int proc_id, u32_t pmask,
struct kni_port_params **kni_para);
int kni_proc_init_secondary(int proc_id, int port_id);
/* External interface for destroy KNI subsystem */
void kni_proc_free(void);
/* External interface for kni tx thread entry */
void kni_tx_thread_cycle(void *arg);
int kni_config_net(void);
void kni_handler_eth_operate_request(int port);
/* External interface for commiting packet to kni device */
void kni_dispatch_to_kernel(uint8_t port_id,
struct rte_mbuf *pkts_burst[], uint8_t nb_rx);
/* the lcore kni tx/rx thread run on */
unsigned kni_get_tx_lcore(uint8_t port_id);
unsigned kni_get_rx_lcore(uint8_t port_id);
void init_kni(void);
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#endif /*#ifndef _KNI_PROC_H_ */
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