+++ /dev/null
-/* SPDX-License-Identifier: (BSD-3-Clause OR LGPL-2.1) */
-/*
- * Copyright(c) 2007-2014 Intel Corporation.
- */
-
-#ifndef _RTE_KNI_COMMON_H_
-#define _RTE_KNI_COMMON_H_
-
-#ifdef __KERNEL__
-#include <linux/if.h>
-#include <asm/barrier.h>
-#define RTE_STD_C11
-#else
-#include <rte_common.h>
-#include <rte_config.h>
-#endif
-
-/**
- * KNI name is part of memzone name.
- */
-#define RTE_KNI_NAMESIZE 32
-
-#define RTE_CACHE_LINE_MIN_SIZE 64
-
-/*
- * Request id.
- */
-enum rte_kni_req_id {
- RTE_KNI_REQ_UNKNOWN = 0,
- RTE_KNI_REQ_CHANGE_MTU,
- RTE_KNI_REQ_CFG_NETWORK_IF,
- RTE_KNI_REQ_CHANGE_MAC_ADDR,
- RTE_KNI_REQ_CHANGE_PROMISC,
- RTE_KNI_REQ_MAX,
-};
-
-/*
- * Structure for KNI request.
- */
-struct rte_kni_request {
- uint32_t req_id; /**< Request id */
- RTE_STD_C11
- union {
- uint32_t new_mtu; /**< New MTU */
- uint8_t if_up; /**< 1: interface up, 0: interface down */
- uint8_t mac_addr[6]; /**< MAC address for interface */
- uint8_t promiscusity;/**< 1: promisc mode enable, 0: disable */
- };
- int32_t result; /**< Result for processing request */
-} __attribute__((__packed__));
-
-/*
- * Fifo struct mapped in a shared memory. It describes a circular buffer FIFO
- * Write and read should wrap around. Fifo is empty when write == read
- * Writing should never overwrite the read position
- */
-struct rte_kni_fifo {
-#ifdef RTE_USE_C11_MEM_MODEL
- unsigned write; /**< Next position to be written*/
- unsigned read; /**< Next position to be read */
-#else
- volatile unsigned write; /**< Next position to be written*/
- volatile unsigned read; /**< Next position to be read */
-#endif
- unsigned len; /**< Circular buffer length */
- unsigned elem_size; /**< Pointer size - for 32/64 bit OS */
- void *volatile buffer[]; /**< The buffer contains mbuf pointers */
-};
-
-/*
- * The kernel image of the rte_mbuf struct, with only the relevant fields.
- * Padding is necessary to assure the offsets of these fields
- */
-struct rte_kni_mbuf {
- void *buf_addr __attribute__((__aligned__(RTE_CACHE_LINE_SIZE)));
- uint64_t buf_physaddr;
- uint16_t data_off; /**< Start address of data in segment buffer. */
- char pad1[2];
- uint16_t nb_segs; /**< Number of segments. */
- char pad4[2];
- uint64_t ol_flags; /**< Offload features. */
- char pad2[4];
- uint32_t pkt_len; /**< Total pkt len: sum of all segment data_len. */
- uint16_t data_len; /**< Amount of data in segment buffer. */
-
- /* fields on second cache line */
- char pad3[8] __attribute__((__aligned__(RTE_CACHE_LINE_MIN_SIZE)));
- void *pool;
- void *next;
-};
-
-/*
- * Struct used to create a KNI device. Passed to the kernel in IOCTL call
- */
-
-struct rte_kni_device_info {
- char name[RTE_KNI_NAMESIZE]; /**< Network device name for KNI */
-
- phys_addr_t tx_phys;
- phys_addr_t rx_phys;
- phys_addr_t alloc_phys;
- phys_addr_t free_phys;
-
- /* Used by Ethtool */
- phys_addr_t req_phys;
- phys_addr_t resp_phys;
- phys_addr_t sync_phys;
- void * sync_va;
-
- /* mbuf mempool */
- void * mbuf_va;
- phys_addr_t mbuf_phys;
-
- /* PCI info */
- uint16_t vendor_id; /**< Vendor ID or PCI_ANY_ID. */
- uint16_t device_id; /**< Device ID or PCI_ANY_ID. */
- uint8_t bus; /**< Device bus */
- uint8_t devid; /**< Device ID */
- uint8_t function; /**< Device function. */
-
- uint16_t group_id; /**< Group ID */
- uint32_t core_id; /**< core ID to bind for kernel thread */
-
- __extension__
- uint8_t force_bind : 1; /**< Flag for kernel thread binding */
-
- /* mbuf size */
- unsigned mbuf_size;
- unsigned int mtu;
- uint8_t mac_addr[6];
-};
-
-#define KNI_DEVICE "kni"
-
-#define RTE_KNI_IOCTL_TEST _IOWR(0, 1, int)
-#define RTE_KNI_IOCTL_CREATE _IOWR(0, 2, struct rte_kni_device_info)
-#define RTE_KNI_IOCTL_RELEASE _IOWR(0, 3, struct rte_kni_device_info)
-
-#endif /* _RTE_KNI_COMMON_H_ */
projects / ceph.git / blobdiff