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numam-dpdk/drivers/net/sfc/sfc.h
Ivan Malov e86b48aa46 net/sfc: add HW switch ID helpers 
The driver will need a means to figure out relationship between
RTE ethdev instances and underlying HW switch entities. For now,
use board serial number string as a unique HW switch identifier.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
2020-11-03 23:24:25 +01:00

420 lines
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C
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/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2019-2020 Xilinx, Inc.
* Copyright(c) 2016-2019 Solarflare Communications Inc.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
*/
#ifndef _SFC_H
#define _SFC_H
#include <stdbool.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
#include <rte_ethdev_driver.h>
#include <rte_kvargs.h>
#include <rte_spinlock.h>
#include <rte_atomic.h>
#include "efx.h"
#include "sfc_efx_mcdi.h"
#include "sfc_debug.h"
#include "sfc_log.h"
#include "sfc_filter.h"
#include "sfc_sriov.h"
#include "sfc_mae.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* +---------------+
* | UNINITIALIZED |<-----------+
* +---------------+ |
* |.eth_dev_init |.eth_dev_uninit
* V |
* +---------------+------------+
* | INITIALIZED |
* +---------------+<-----------<---------------+
* |.dev_configure | |
* V |failed |
* +---------------+------------+ |
* | CONFIGURING | |
* +---------------+----+ |
* |success | |
* | | +---------------+
* | | | CLOSING |
* | | +---------------+
* | | ^
* V |.dev_configure |
* +---------------+----+ |.dev_close
* | CONFIGURED |----------------------------+
* +---------------+<-----------+
* |.dev_start |
* V |
* +---------------+ |
* | STARTING |------------^
* +---------------+ failed |
* |success |
* | +---------------+
* | | STOPPING |
* | +---------------+
* | ^
* V |.dev_stop
* +---------------+------------+
* | STARTED |
* +---------------+
*/
enum sfc_adapter_state {
SFC_ADAPTER_UNINITIALIZED = 0,
SFC_ADAPTER_INITIALIZED,
SFC_ADAPTER_CONFIGURING,
SFC_ADAPTER_CONFIGURED,
SFC_ADAPTER_CLOSING,
SFC_ADAPTER_STARTING,
SFC_ADAPTER_STARTED,
SFC_ADAPTER_STOPPING,
SFC_ADAPTER_NSTATES
};
enum sfc_dev_filter_mode {
SFC_DEV_FILTER_MODE_PROMISC = 0,
SFC_DEV_FILTER_MODE_ALLMULTI,
SFC_DEV_FILTER_NMODES
};
struct sfc_intr {
efx_intr_type_t type;
rte_intr_callback_fn handler;
boolean_t lsc_intr;
boolean_t rxq_intr;
};
struct sfc_rxq;
struct sfc_txq;
struct sfc_rxq_info;
struct sfc_txq_info;
struct sfc_dp_rx;
struct sfc_port {
unsigned int lsc_seq;
uint32_t phy_adv_cap_mask;
uint32_t phy_adv_cap;
unsigned int flow_ctrl;
boolean_t flow_ctrl_autoneg;
size_t pdu;
/*
* Flow API isolated mode overrides promisc and allmulti settings;
* they won't be applied if isolated mode is active
*/
boolean_t promisc;
boolean_t allmulti;
struct rte_ether_addr default_mac_addr;
unsigned int max_mcast_addrs;
unsigned int nb_mcast_addrs;
uint8_t *mcast_addrs;
rte_spinlock_t mac_stats_lock;
uint64_t *mac_stats_buf;
unsigned int mac_stats_nb_supported;
efsys_mem_t mac_stats_dma_mem;
boolean_t mac_stats_reset_pending;
uint16_t mac_stats_update_period_ms;
uint32_t mac_stats_update_generation;
boolean_t mac_stats_periodic_dma_supported;
uint64_t mac_stats_last_request_timestamp;
uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
uint64_t ipackets;
};
struct sfc_rss_hf_rte_to_efx {
uint64_t rte;
efx_rx_hash_type_t efx;
};
struct sfc_rss {
unsigned int channels;
efx_rx_scale_context_type_t context_type;
efx_rx_hash_support_t hash_support;
efx_rx_hash_alg_t hash_alg;
unsigned int hf_map_nb_entries;
struct sfc_rss_hf_rte_to_efx *hf_map;
efx_rx_hash_type_t hash_types;
unsigned int tbl[EFX_RSS_TBL_SIZE];
uint8_t key[EFX_RSS_KEY_SIZE];
uint32_t dummy_rss_context;
};
/* Adapter private data shared by primary and secondary processes */
struct sfc_adapter_shared {
unsigned int rxq_count;
struct sfc_rxq_info *rxq_info;
unsigned int txq_count;
struct sfc_txq_info *txq_info;
struct sfc_rss rss;
boolean_t isolated;
uint32_t tunnel_encaps;
char log_prefix[SFC_LOG_PREFIX_MAX];
struct rte_pci_addr pci_addr;
uint16_t port_id;
char *dp_rx_name;
char *dp_tx_name;
};
/* Adapter process private data */
struct sfc_adapter_priv {
struct sfc_adapter_shared *shared;
const struct sfc_dp_rx *dp_rx;
const struct sfc_dp_tx *dp_tx;
uint32_t logtype_main;
};
static inline struct sfc_adapter_priv *
sfc_adapter_priv_by_eth_dev(struct rte_eth_dev *eth_dev)
{
struct sfc_adapter_priv *sap = eth_dev->process_private;
SFC_ASSERT(sap != NULL);
return sap;
}
/* Adapter private data */
struct sfc_adapter {
/*
* It must be the first field of the sfc_adapter structure since
* sfc_adapter is the primary process private data (i.e. process
* private data plus additional primary process specific data).
*/
struct sfc_adapter_priv priv;
/*
* PMD setup and configuration is not thread safe. Since it is not
* performance sensitive, it is better to guarantee thread-safety
* and add device level lock. Adapter control operations which
* change its state should acquire the lock.
*/
rte_spinlock_t lock;
enum sfc_adapter_state state;
struct rte_eth_dev *eth_dev;
struct rte_kvargs *kvargs;
int socket_id;
efsys_bar_t mem_bar;
/* Function control window offset */
efsys_dma_addr_t fcw_offset;
efx_family_t family;
efx_nic_t *nic;
rte_spinlock_t nic_lock;
rte_atomic32_t restart_required;
struct sfc_efx_mcdi mcdi;
struct sfc_sriov sriov;
struct sfc_intr intr;
struct sfc_port port;
struct sfc_filter filter;
struct sfc_mae mae;
struct sfc_flow_list flow_list;
unsigned int rxq_max;
unsigned int txq_max;
unsigned int rxq_max_entries;
unsigned int rxq_min_entries;
unsigned int txq_max_entries;
unsigned int txq_min_entries;
unsigned int evq_max_entries;
unsigned int evq_min_entries;
uint32_t evq_flags;
unsigned int evq_count;
unsigned int mgmt_evq_index;
/*
* The lock is used to serialise management event queue polling
* which can be done from different context. Also the lock
* guarantees that mgmt_evq_running is preserved while the lock
* is held. It is used to serialise polling and start/stop
* operations.
*
* Locks which may be held when the lock is acquired:
* - adapter lock, when:
* - device start/stop to change mgmt_evq_running
* - any control operations in client side MCDI proxy handling to
* poll management event queue waiting for proxy response
* - MCDI lock, when:
* - any control operations in client side MCDI proxy handling to
* poll management event queue waiting for proxy response
*
* Locks which are acquired with the lock held:
* - nic_lock, when:
* - MC event processing on management event queue polling
* (e.g. MC REBOOT or BADASSERT events)
*/
rte_spinlock_t mgmt_evq_lock;
bool mgmt_evq_running;
struct sfc_evq *mgmt_evq;
struct sfc_rxq *rxq_ctrl;
struct sfc_txq *txq_ctrl;
boolean_t tso;
boolean_t tso_encap;
uint32_t rxd_wait_timeout_ns;
};
static inline struct sfc_adapter_shared *
sfc_adapter_shared_by_eth_dev(struct rte_eth_dev *eth_dev)
{
struct sfc_adapter_shared *sas = eth_dev->data->dev_private;
return sas;
}
static inline struct sfc_adapter *
sfc_adapter_by_eth_dev(struct rte_eth_dev *eth_dev)
{
struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(eth_dev);
SFC_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
return container_of(sap, struct sfc_adapter, priv);
}
static inline struct sfc_adapter_shared *
sfc_sa2shared(struct sfc_adapter *sa)
{
return sa->priv.shared;
}
/*
* Add wrapper functions to acquire/release lock to be able to remove or
* change the lock in one place.
*/
static inline void
sfc_adapter_lock_init(struct sfc_adapter *sa)
{
rte_spinlock_init(&sa->lock);
}
static inline int
sfc_adapter_is_locked(struct sfc_adapter *sa)
{
return rte_spinlock_is_locked(&sa->lock);
}
static inline void
sfc_adapter_lock(struct sfc_adapter *sa)
{
rte_spinlock_lock(&sa->lock);
}
static inline int
sfc_adapter_trylock(struct sfc_adapter *sa)
{
return rte_spinlock_trylock(&sa->lock);
}
static inline void
sfc_adapter_unlock(struct sfc_adapter *sa)
{
rte_spinlock_unlock(&sa->lock);
}
static inline void
sfc_adapter_lock_fini(__rte_unused struct sfc_adapter *sa)
{
/* Just for symmetry of the API */
}
/** Get the number of milliseconds since boot from the default timer */
static inline uint64_t
sfc_get_system_msecs(void)
{
return rte_get_timer_cycles() * MS_PER_S / rte_get_timer_hz();
}
int sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
size_t len, int socket_id, efsys_mem_t *esmp);
void sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp);
uint32_t sfc_register_logtype(const struct rte_pci_addr *pci_addr,
const char *lt_prefix_str,
uint32_t ll_default);
int sfc_probe(struct sfc_adapter *sa);
void sfc_unprobe(struct sfc_adapter *sa);
int sfc_attach(struct sfc_adapter *sa);
void sfc_detach(struct sfc_adapter *sa);
int sfc_start(struct sfc_adapter *sa);
void sfc_stop(struct sfc_adapter *sa);
void sfc_schedule_restart(struct sfc_adapter *sa);
int sfc_mcdi_init(struct sfc_adapter *sa);
void sfc_mcdi_fini(struct sfc_adapter *sa);
int sfc_configure(struct sfc_adapter *sa);
void sfc_close(struct sfc_adapter *sa);
int sfc_intr_attach(struct sfc_adapter *sa);
void sfc_intr_detach(struct sfc_adapter *sa);
int sfc_intr_configure(struct sfc_adapter *sa);
void sfc_intr_close(struct sfc_adapter *sa);
int sfc_intr_start(struct sfc_adapter *sa);
void sfc_intr_stop(struct sfc_adapter *sa);
int sfc_port_attach(struct sfc_adapter *sa);
void sfc_port_detach(struct sfc_adapter *sa);
int sfc_port_configure(struct sfc_adapter *sa);
void sfc_port_close(struct sfc_adapter *sa);
int sfc_port_start(struct sfc_adapter *sa);
void sfc_port_stop(struct sfc_adapter *sa);
void sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
struct rte_eth_link *link_info);
int sfc_port_update_mac_stats(struct sfc_adapter *sa);
int sfc_port_reset_mac_stats(struct sfc_adapter *sa);
int sfc_set_rx_mode(struct sfc_adapter *sa);
int sfc_set_rx_mode_unchecked(struct sfc_adapter *sa);
struct sfc_hw_switch_id;
int sfc_hw_switch_id_init(struct sfc_adapter *sa,
struct sfc_hw_switch_id **idp);
void sfc_hw_switch_id_fini(struct sfc_adapter *sa,
struct sfc_hw_switch_id *idp);
bool sfc_hw_switch_ids_equal(const struct sfc_hw_switch_id *left,
const struct sfc_hw_switch_id *right);
#ifdef __cplusplus
}
#endif
#endif /* _SFC_H */
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