diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.h | 160 |
1 files changed, 36 insertions, 124 deletions
diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index 3f759ebdcf10..45e191686625 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -1,64 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /**************************************************************************** * Driver for Solarflare network controllers and boards * Copyright 2005-2006 Fen Systems Ltd. * Copyright 2006-2013 Solarflare Communications Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation, incorporated herein by reference. */ #ifndef EFX_EFX_H #define EFX_EFX_H +#include <linux/indirect_call_wrapper.h> #include "net_driver.h" +#include "ef100_rx.h" +#include "ef100_tx.h" +#include "efx_common.h" #include "filter.h" int efx_net_open(struct net_device *net_dev); int efx_net_stop(struct net_device *net_dev); /* TX */ -int efx_probe_tx_queue(struct efx_tx_queue *tx_queue); -void efx_remove_tx_queue(struct efx_tx_queue *tx_queue); -void efx_init_tx_queue(struct efx_tx_queue *tx_queue); void efx_init_tx_queue_core_txq(struct efx_tx_queue *tx_queue); -void efx_fini_tx_queue(struct efx_tx_queue *tx_queue); netdev_tx_t efx_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev); -netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb); -void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index); -int efx_setup_tc(struct net_device *net_dev, enum tc_setup_type type, - void *type_data); -unsigned int efx_tx_max_skb_descs(struct efx_nic *efx); +netdev_tx_t __efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb); +static inline netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb) +{ + return INDIRECT_CALL_2(tx_queue->efx->type->tx_enqueue, + ef100_enqueue_skb, __efx_enqueue_skb, + tx_queue, skb); +} +void efx_xmit_done_single(struct efx_tx_queue *tx_queue); extern unsigned int efx_piobuf_size; -extern bool efx_separate_tx_channels; /* RX */ -void efx_set_default_rx_indir_table(struct efx_nic *efx, - struct efx_rss_context *ctx); -void efx_rx_config_page_split(struct efx_nic *efx); -int efx_probe_rx_queue(struct efx_rx_queue *rx_queue); -void efx_remove_rx_queue(struct efx_rx_queue *rx_queue); -void efx_init_rx_queue(struct efx_rx_queue *rx_queue); -void efx_fini_rx_queue(struct efx_rx_queue *rx_queue); -void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue, bool atomic); -void efx_rx_slow_fill(struct timer_list *t); void __efx_rx_packet(struct efx_channel *channel); void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index, unsigned int n_frags, unsigned int len, u16 flags); static inline void efx_rx_flush_packet(struct efx_channel *channel) { if (channel->rx_pkt_n_frags) - __efx_rx_packet(channel); + INDIRECT_CALL_2(channel->efx->type->rx_packet, + __ef100_rx_packet, __efx_rx_packet, + channel); +} +static inline bool efx_rx_buf_hash_valid(struct efx_nic *efx, const u8 *prefix) +{ + if (efx->type->rx_buf_hash_valid) + return INDIRECT_CALL_1(efx->type->rx_buf_hash_valid, + ef100_rx_buf_hash_valid, + prefix); + return true; } -void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); - -#define EFX_MAX_DMAQ_SIZE 4096UL -#define EFX_DEFAULT_DMAQ_SIZE 1024UL -#define EFX_MIN_DMAQ_SIZE 512UL - -#define EFX_MAX_EVQ_SIZE 16384UL -#define EFX_MIN_EVQ_SIZE 512UL /* Maximum number of TCP segments we support for soft-TSO */ #define EFX_TSO_MAX_SEGS 100 @@ -83,8 +75,6 @@ static inline bool efx_rss_enabled(struct efx_nic *efx) /* Filters */ -void efx_mac_reconfigure(struct efx_nic *efx); - /** * efx_filter_insert_filter - add or replace a filter * @efx: NIC in which to insert the filter @@ -166,89 +156,23 @@ static inline s32 efx_filter_get_rx_ids(struct efx_nic *efx, { return efx->type->filter_get_rx_ids(efx, priority, buf, size); } -#ifdef CONFIG_RFS_ACCEL -int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, - u16 rxq_index, u32 flow_id); -bool __efx_filter_rfs_expire(struct efx_nic *efx, unsigned quota); -static inline void efx_filter_rfs_expire(struct work_struct *data) -{ - struct efx_channel *channel = container_of(data, struct efx_channel, - filter_work); - - if (channel->rfs_filters_added >= 60 && - __efx_filter_rfs_expire(channel->efx, 100)) - channel->rfs_filters_added -= 60; -} -#define efx_filter_rfs_enabled() 1 -#else -static inline void efx_filter_rfs_expire(struct work_struct *data) {} -#define efx_filter_rfs_enabled() 0 -#endif -bool efx_filter_is_mc_recipient(const struct efx_filter_spec *spec); - -bool efx_filter_spec_equal(const struct efx_filter_spec *left, - const struct efx_filter_spec *right); -u32 efx_filter_spec_hash(const struct efx_filter_spec *spec); - -#ifdef CONFIG_RFS_ACCEL -bool efx_rps_check_rule(struct efx_arfs_rule *rule, unsigned int filter_idx, - bool *force); - -struct efx_arfs_rule *efx_rps_hash_find(struct efx_nic *efx, - const struct efx_filter_spec *spec); - -/* @new is written to indicate if entry was newly added (true) or if an old - * entry was found and returned (false). - */ -struct efx_arfs_rule *efx_rps_hash_add(struct efx_nic *efx, - const struct efx_filter_spec *spec, - bool *new); - -void efx_rps_hash_del(struct efx_nic *efx, const struct efx_filter_spec *spec); -#endif /* RSS contexts */ -struct efx_rss_context *efx_alloc_rss_context_entry(struct efx_nic *efx); -struct efx_rss_context *efx_find_rss_context_entry(struct efx_nic *efx, u32 id); -void efx_free_rss_context_entry(struct efx_rss_context *ctx); -static inline bool efx_rss_active(struct efx_rss_context *ctx) +static inline bool efx_rss_active(struct efx_rss_context_priv *ctx) { - return ctx->context_id != EFX_EF10_RSS_CONTEXT_INVALID; + return ctx->context_id != EFX_MCDI_RSS_CONTEXT_INVALID; } -/* Channels */ -int efx_channel_dummy_op_int(struct efx_channel *channel); -void efx_channel_dummy_op_void(struct efx_channel *channel); -int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries); - -/* Ports */ -int efx_reconfigure_port(struct efx_nic *efx); -int __efx_reconfigure_port(struct efx_nic *efx); - /* Ethtool support */ extern const struct ethtool_ops efx_ethtool_ops; -/* Reset handling */ -int efx_reset(struct efx_nic *efx, enum reset_type method); -void efx_reset_down(struct efx_nic *efx, enum reset_type method); -int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok); -int efx_try_recovery(struct efx_nic *efx); - /* Global */ -void efx_schedule_reset(struct efx_nic *efx, enum reset_type type); unsigned int efx_usecs_to_ticks(struct efx_nic *efx, unsigned int usecs); -unsigned int efx_ticks_to_usecs(struct efx_nic *efx, unsigned int ticks); int efx_init_irq_moderation(struct efx_nic *efx, unsigned int tx_usecs, unsigned int rx_usecs, bool rx_adaptive, bool rx_may_override_tx); void efx_get_irq_moderation(struct efx_nic *efx, unsigned int *tx_usecs, unsigned int *rx_usecs, bool *rx_adaptive); -void efx_stop_eventq(struct efx_channel *channel); -void efx_start_eventq(struct efx_channel *channel); - -/* Dummy PHY ops for PHY drivers */ -int efx_port_dummy_op_int(struct efx_nic *efx); -void efx_port_dummy_op_void(struct efx_nic *efx); /* Update the generic software stats in the passed stats array */ void efx_update_sw_stats(struct efx_nic *efx, u64 *stats); @@ -276,31 +200,13 @@ static inline unsigned int efx_vf_size(struct efx_nic *efx) } #endif -static inline void efx_schedule_channel(struct efx_channel *channel) -{ - netif_vdbg(channel->efx, intr, channel->efx->net_dev, - "channel %d scheduling NAPI poll on CPU%d\n", - channel->channel, raw_smp_processor_id()); - - napi_schedule(&channel->napi_str); -} - -static inline void efx_schedule_channel_irq(struct efx_channel *channel) -{ - channel->event_test_cpu = raw_smp_processor_id(); - efx_schedule_channel(channel); -} - -void efx_link_status_changed(struct efx_nic *efx); -void efx_link_set_advertising(struct efx_nic *efx, - const unsigned long *advertising); -void efx_link_clear_advertising(struct efx_nic *efx); -void efx_link_set_wanted_fc(struct efx_nic *efx, u8); - static inline void efx_device_detach_sync(struct efx_nic *efx) { struct net_device *dev = efx->net_dev; + /* We must stop reps (which use our TX) before we stop ourselves. */ + efx_detach_reps(efx); + /* Lock/freeze all TX queues so that we can be sure the * TX scheduler is stopped when we're done and before * netif_device_present() becomes false. @@ -312,8 +218,11 @@ static inline void efx_device_detach_sync(struct efx_nic *efx) static inline void efx_device_attach_if_not_resetting(struct efx_nic *efx) { - if ((efx->state != STATE_DISABLED) && !efx->reset_pending) + if ((efx->state != STATE_DISABLED) && !efx->reset_pending) { netif_device_attach(efx->net_dev); + if (efx->state == STATE_NET_UP) + efx_attach_reps(efx); + } } static inline bool efx_rwsem_assert_write_locked(struct rw_semaphore *sem) @@ -325,4 +234,7 @@ static inline bool efx_rwsem_assert_write_locked(struct rw_semaphore *sem) return true; } +int efx_xdp_tx_buffers(struct efx_nic *efx, int n, struct xdp_frame **xdpfs, + bool flush); + #endif /* EFX_EFX_H */ |