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numam-dpdk/drivers/net/iavf/iavf.h
Haiyue Wang 89214fe915 net/iavf/base: move to drivers common directory 
Change the iavf base code as driver common library, it is used by iavf
PMD now, and it can be used by other Intel SR-IOV PMDs in the future.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
2020-01-17 19:46:02 +01:00

239 lines
7.3 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Intel Corporation
*/
#ifndef _IAVF_ETHDEV_H_
#define _IAVF_ETHDEV_H_
#include <rte_kvargs.h>
#include <iavf_prototype.h>
#include <iavf_adminq_cmd.h>
#include <iavf_type.h>
#include "iavf_log.h"
#define IAVF_AQ_LEN 32
#define IAVF_AQ_BUF_SZ 4096
#define IAVF_RESET_WAIT_CNT 50
#define IAVF_BUF_SIZE_MIN 1024
#define IAVF_FRAME_SIZE_MAX 9728
#define IAVF_QUEUE_BASE_ADDR_UNIT 128
#define IAVF_MAX_NUM_QUEUES 16
#define IAVF_NUM_MACADDR_MAX 64
#define IAVF_DEFAULT_RX_PTHRESH 8
#define IAVF_DEFAULT_RX_HTHRESH 8
#define IAVF_DEFAULT_RX_WTHRESH 0
#define IAVF_DEFAULT_RX_FREE_THRESH 32
#define IAVF_DEFAULT_TX_PTHRESH 32
#define IAVF_DEFAULT_TX_HTHRESH 0
#define IAVF_DEFAULT_TX_WTHRESH 0
#define IAVF_DEFAULT_TX_FREE_THRESH 32
#define IAVF_DEFAULT_TX_RS_THRESH 32
#define IAVF_BASIC_OFFLOAD_CAPS ( \
VF_BASE_MODE_OFFLOADS | \
VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
VIRTCHNL_VF_OFFLOAD_RX_POLLING)
#define IAVF_RSS_OFFLOAD_ALL ( \
ETH_RSS_FRAG_IPV4 | \
ETH_RSS_NONFRAG_IPV4_TCP | \
ETH_RSS_NONFRAG_IPV4_UDP | \
ETH_RSS_NONFRAG_IPV4_SCTP | \
ETH_RSS_NONFRAG_IPV4_OTHER)
#define IAVF_MISC_VEC_ID RTE_INTR_VEC_ZERO_OFFSET
#define IAVF_RX_VEC_START RTE_INTR_VEC_RXTX_OFFSET
/* Default queue interrupt throttling time in microseconds */
#define IAVF_ITR_INDEX_DEFAULT 0
#define IAVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
#define IAVF_QUEUE_ITR_INTERVAL_MAX 8160 /* 8160 us */
/* The overhead from MTU to max frame size.
* Considering QinQ packet, the VLAN tag needs to be counted twice.
*/
#define IAVF_VLAN_TAG_SIZE 4
#define IAVF_ETH_OVERHEAD \
(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + IAVF_VLAN_TAG_SIZE * 2)
#define IAVF_32_BIT_WIDTH (CHAR_BIT * 4)
#define IAVF_48_BIT_WIDTH (CHAR_BIT * 6)
#define IAVF_48_BIT_MASK RTE_LEN2MASK(IAVF_48_BIT_WIDTH, uint64_t)
struct iavf_adapter;
struct iavf_rx_queue;
struct iavf_tx_queue;
/* Structure that defines a VSI, associated with a adapter. */
struct iavf_vsi {
struct iavf_adapter *adapter; /* Backreference to associated adapter */
uint16_t vsi_id;
uint16_t nb_qps; /* Number of queue pairs VSI can occupy */
uint16_t nb_used_qps; /* Number of queue pairs VSI uses */
uint16_t max_macaddrs; /* Maximum number of MAC addresses */
uint16_t base_vector;
uint16_t msix_intr; /* The MSIX interrupt binds to VSI */
struct virtchnl_eth_stats eth_stats_offset;
};
/* TODO: is that correct to assume the max number to be 16 ?*/
#define IAVF_MAX_MSIX_VECTORS 16
/* Structure to store private data specific for VF instance. */
struct iavf_info {
uint16_t num_queue_pairs;
uint16_t max_pkt_len; /* Maximum packet length */
uint16_t mac_num; /* Number of MAC addresses */
bool promisc_unicast_enabled;
bool promisc_multicast_enabled;
struct virtchnl_version_info virtchnl_version;
struct virtchnl_vf_resource *vf_res; /* VF resource */
struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
volatile enum virtchnl_ops pend_cmd; /* pending command not finished */
uint32_t cmd_retval; /* return value of the cmd response from PF */
uint8_t *aq_resp; /* buffer to store the adminq response from PF */
/* Event from pf */
bool dev_closed;
bool link_up;
uint32_t link_speed;
struct iavf_vsi vsi;
bool vf_reset;
uint64_t flags;
uint8_t *rss_lut;
uint8_t *rss_key;
uint16_t nb_msix; /* number of MSI-X interrupts on Rx */
uint16_t msix_base; /* msix vector base from */
/* queue bitmask for each vector */
uint16_t rxq_map[IAVF_MAX_MSIX_VECTORS];
};
#define IAVF_MAX_PKT_TYPE 256
/* Structure to store private data for each VF instance. */
struct iavf_adapter {
struct iavf_hw hw;
struct rte_eth_dev *eth_dev;
struct iavf_info vf;
bool rx_bulk_alloc_allowed;
/* For vector PMD */
bool rx_vec_allowed;
bool tx_vec_allowed;
bool stopped;
};
/* IAVF_DEV_PRIVATE_TO */
#define IAVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
((struct iavf_adapter *)adapter)
#define IAVF_DEV_PRIVATE_TO_VF(adapter) \
(&((struct iavf_adapter *)adapter)->vf)
#define IAVF_DEV_PRIVATE_TO_HW(adapter) \
(&((struct iavf_adapter *)adapter)->hw)
/* IAVF_VSI_TO */
#define IAVF_VSI_TO_HW(vsi) \
(&(((struct iavf_vsi *)vsi)->adapter->hw))
#define IAVF_VSI_TO_VF(vsi) \
(&(((struct iavf_vsi *)vsi)->adapter->vf))
#define IAVF_VSI_TO_ETH_DEV(vsi) \
(((struct iavf_vsi *)vsi)->adapter->eth_dev)
static inline void
iavf_init_adminq_parameter(struct iavf_hw *hw)
{
hw->aq.num_arq_entries = IAVF_AQ_LEN;
hw->aq.num_asq_entries = IAVF_AQ_LEN;
hw->aq.arq_buf_size = IAVF_AQ_BUF_SZ;
hw->aq.asq_buf_size = IAVF_AQ_BUF_SZ;
}
static inline uint16_t
iavf_calc_itr_interval(int16_t interval)
{
if (interval < 0 || interval > IAVF_QUEUE_ITR_INTERVAL_MAX)
interval = IAVF_QUEUE_ITR_INTERVAL_DEFAULT;
/* Convert to hardware count, as writing each 1 represents 2 us */
return interval / 2;
}
/* structure used for sending and checking response of virtchnl ops */
struct iavf_cmd_info {
enum virtchnl_ops ops;
uint8_t *in_args; /* buffer for sending */
uint32_t in_args_size; /* buffer size for sending */
uint8_t *out_buffer; /* buffer for response */
uint32_t out_size; /* buffer size for response */
};
/* notify current command done. Only call in case execute
* _atomic_set_cmd successfully.
*/
static inline void
_notify_cmd(struct iavf_info *vf, uint32_t msg_ret)
{
vf->cmd_retval = msg_ret;
rte_wmb();
vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
}
/* clear current command. Only call in case execute
* _atomic_set_cmd successfully.
*/
static inline void
_clear_cmd(struct iavf_info *vf)
{
rte_wmb();
vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
vf->cmd_retval = VIRTCHNL_STATUS_SUCCESS;
}
/* Check there is pending cmd in execution. If none, set new command. */
static inline int
_atomic_set_cmd(struct iavf_info *vf, enum virtchnl_ops ops)
{
int ret = rte_atomic32_cmpset(&vf->pend_cmd, VIRTCHNL_OP_UNKNOWN, ops);
if (!ret)
PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
return !ret;
}
int iavf_check_api_version(struct iavf_adapter *adapter);
int iavf_get_vf_resource(struct iavf_adapter *adapter);
void iavf_handle_virtchnl_msg(struct rte_eth_dev *dev);
int iavf_enable_vlan_strip(struct iavf_adapter *adapter);
int iavf_disable_vlan_strip(struct iavf_adapter *adapter);
int iavf_switch_queue(struct iavf_adapter *adapter, uint16_t qid,
bool rx, bool on);
int iavf_enable_queues(struct iavf_adapter *adapter);
int iavf_disable_queues(struct iavf_adapter *adapter);
int iavf_configure_rss_lut(struct iavf_adapter *adapter);
int iavf_configure_rss_key(struct iavf_adapter *adapter);
int iavf_configure_queues(struct iavf_adapter *adapter);
int iavf_config_irq_map(struct iavf_adapter *adapter);
void iavf_add_del_all_mac_addr(struct iavf_adapter *adapter, bool add);
int iavf_dev_link_update(struct rte_eth_dev *dev,
__rte_unused int wait_to_complete);
int iavf_query_stats(struct iavf_adapter *adapter,
struct virtchnl_eth_stats **pstats);
int iavf_config_promisc(struct iavf_adapter *adapter, bool enable_unicast,
bool enable_multicast);
int iavf_add_del_eth_addr(struct iavf_adapter *adapter,
struct rte_ether_addr *addr, bool add);
int iavf_add_del_vlan(struct iavf_adapter *adapter, uint16_t vlanid, bool add);
#endif /* _IAVF_ETHDEV_H_ */
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