diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef10.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 91 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.h | 32 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx_channels.h | 55 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/efx_common.h | 52 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/ethtool.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/farch.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_functions.h | 30 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_port.c | 50 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi_port_common.h | 53 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/net_driver.h | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/nic.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/rx.c | 22 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/rx_common.h | 42 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/selftest.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/siena.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/tx.c | 19 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/tx_common.h | 31 |
19 files changed, 365 insertions, 141 deletions
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 4d9bbccc6f89..de6e6cd4469b 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -9,10 +9,12 @@ #include "io.h" #include "mcdi.h" #include "mcdi_pcol.h" +#include "mcdi_port_common.h" #include "nic.h" #include "workarounds.h" #include "selftest.h" #include "ef10_sriov.h" +#include "rx_common.h" #include <linux/in.h> #include <linux/jhash.h> #include <linux/wait.h> diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 033907e6fdb0..c5bcdfcfee87 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -23,6 +23,10 @@ #include <net/gre.h> #include <net/udp_tunnel.h> #include "efx.h" +#include "efx_common.h" +#include "efx_channels.h" +#include "rx_common.h" +#include "tx_common.h" #include "nic.h" #include "io.h" #include "selftest.h" @@ -214,18 +218,8 @@ MODULE_PARM_DESC(debug, "Bitmapped debugging message enable value"); * *************************************************************************/ -static int efx_soft_enable_interrupts(struct efx_nic *efx); -static void efx_soft_disable_interrupts(struct efx_nic *efx); -static void efx_remove_channel(struct efx_channel *channel); -static void efx_remove_channels(struct efx_nic *efx); static const struct efx_channel_type efx_default_channel_type; static void efx_remove_port(struct efx_nic *efx); -static void efx_init_napi_channel(struct efx_channel *channel); -static void efx_fini_napi(struct efx_nic *efx); -static void efx_fini_napi_channel(struct efx_channel *channel); -static void efx_fini_struct(struct efx_nic *efx); -static void efx_start_all(struct efx_nic *efx); -static void efx_stop_all(struct efx_nic *efx); static int efx_xdp_setup_prog(struct efx_nic *efx, struct bpf_prog *prog); static int efx_xdp(struct net_device *dev, struct netdev_bpf *xdp); static int efx_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **xdpfs, @@ -239,7 +233,7 @@ static int efx_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **xdpfs, ASSERT_RTNL(); \ } while (0) -static int efx_check_disabled(struct efx_nic *efx) +int efx_check_disabled(struct efx_nic *efx) { if (efx->state == STATE_DISABLED || efx->state == STATE_RECOVERY) { netif_err(efx, drv, efx->net_dev, @@ -375,7 +369,7 @@ static int efx_poll(struct napi_struct *napi, int budget) * is reset, the memory buffer will be reused; this guards against * errors during channel reset and also simplifies interrupt handling. */ -static int efx_probe_eventq(struct efx_channel *channel) +int efx_probe_eventq(struct efx_channel *channel) { struct efx_nic *efx = channel->efx; unsigned long entries; @@ -393,7 +387,7 @@ static int efx_probe_eventq(struct efx_channel *channel) } /* Prepare channel's event queue */ -static int efx_init_eventq(struct efx_channel *channel) +int efx_init_eventq(struct efx_channel *channel) { struct efx_nic *efx = channel->efx; int rc; @@ -436,7 +430,7 @@ void efx_stop_eventq(struct efx_channel *channel) channel->enabled = false; } -static void efx_fini_eventq(struct efx_channel *channel) +void efx_fini_eventq(struct efx_channel *channel) { if (!channel->eventq_init) return; @@ -448,7 +442,7 @@ static void efx_fini_eventq(struct efx_channel *channel) channel->eventq_init = false; } -static void efx_remove_eventq(struct efx_channel *channel) +void efx_remove_eventq(struct efx_channel *channel) { netif_dbg(channel->efx, drv, channel->efx->net_dev, "chan %d remove event queue\n", channel->channel); @@ -463,7 +457,7 @@ static void efx_remove_eventq(struct efx_channel *channel) *************************************************************************/ /* Allocate and initialise a channel structure. */ -static struct efx_channel * +struct efx_channel * efx_alloc_channel(struct efx_nic *efx, int i, struct efx_channel *old_channel) { struct efx_channel *channel; @@ -500,8 +494,7 @@ efx_alloc_channel(struct efx_nic *efx, int i, struct efx_channel *old_channel) /* Allocate and initialise a channel structure, copying parameters * (but not resources) from an old channel structure. */ -static struct efx_channel * -efx_copy_channel(const struct efx_channel *old_channel) +struct efx_channel *efx_copy_channel(const struct efx_channel *old_channel) { struct efx_channel *channel; struct efx_rx_queue *rx_queue; @@ -577,8 +570,7 @@ fail: return rc; } -static void -efx_get_channel_name(struct efx_channel *channel, char *buf, size_t len) +void efx_get_channel_name(struct efx_channel *channel, char *buf, size_t len) { struct efx_nic *efx = channel->efx; const char *type; @@ -601,7 +593,7 @@ efx_get_channel_name(struct efx_channel *channel, char *buf, size_t len) snprintf(buf, len, "%s%s-%d", efx->name, type, number); } -static void efx_set_channel_names(struct efx_nic *efx) +void efx_set_channel_names(struct efx_nic *efx) { struct efx_channel *channel; @@ -611,7 +603,7 @@ static void efx_set_channel_names(struct efx_nic *efx) sizeof(efx->msi_context[0].name)); } -static int efx_probe_channels(struct efx_nic *efx) +int efx_probe_channels(struct efx_nic *efx) { struct efx_channel *channel; int rc; @@ -788,7 +780,7 @@ static void efx_stop_datapath(struct efx_nic *efx) efx->xdp_rxq_info_failed = false; } -static void efx_remove_channel(struct efx_channel *channel) +void efx_remove_channel(struct efx_channel *channel) { struct efx_tx_queue *tx_queue; struct efx_rx_queue *rx_queue; @@ -804,7 +796,7 @@ static void efx_remove_channel(struct efx_channel *channel) channel->type->post_remove(channel); } -static void efx_remove_channels(struct efx_nic *efx) +void efx_remove_channels(struct efx_nic *efx) { struct efx_channel *channel; @@ -814,8 +806,7 @@ static void efx_remove_channels(struct efx_nic *efx) kfree(efx->xdp_tx_queues); } -int -efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries) +int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries) { struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel; u32 old_rxq_entries, old_txq_entries; @@ -929,7 +920,7 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue) mod_timer(&rx_queue->slow_fill, jiffies + msecs_to_jiffies(10)); } -static bool efx_default_channel_want_txqs(struct efx_channel *channel) +bool efx_default_channel_want_txqs(struct efx_channel *channel) { return channel->channel - channel->efx->tx_channel_offset < channel->efx->n_tx_channels; @@ -1292,7 +1283,7 @@ static void efx_dissociate(struct efx_nic *efx) } /* This configures the PCI device to enable I/O and DMA. */ -static int efx_init_io(struct efx_nic *efx) +int efx_init_io(struct efx_nic *efx) { struct pci_dev *pci_dev = efx->pci_dev; dma_addr_t dma_mask = efx->type->max_dma_mask; @@ -1363,7 +1354,7 @@ static int efx_init_io(struct efx_nic *efx) return rc; } -static void efx_fini_io(struct efx_nic *efx) +void efx_fini_io(struct efx_nic *efx) { int bar; @@ -1545,7 +1536,7 @@ static int efx_allocate_msix_channels(struct efx_nic *efx, /* Probe the number and type of interrupts we are able to obtain, and * the resulting numbers of channels and RX queues. */ -static int efx_probe_interrupts(struct efx_nic *efx) +int efx_probe_interrupts(struct efx_nic *efx) { unsigned int extra_channels = 0; unsigned int rss_spread; @@ -1657,7 +1648,7 @@ static int efx_probe_interrupts(struct efx_nic *efx) } #if defined(CONFIG_SMP) -static void efx_set_interrupt_affinity(struct efx_nic *efx) +void efx_set_interrupt_affinity(struct efx_nic *efx) { struct efx_channel *channel; unsigned int cpu; @@ -1669,7 +1660,7 @@ static void efx_set_interrupt_affinity(struct efx_nic *efx) } } -static void efx_clear_interrupt_affinity(struct efx_nic *efx) +void efx_clear_interrupt_affinity(struct efx_nic *efx) { struct efx_channel *channel; @@ -1677,18 +1668,16 @@ static void efx_clear_interrupt_affinity(struct efx_nic *efx) irq_set_affinity_hint(channel->irq, NULL); } #else -static void -efx_set_interrupt_affinity(struct efx_nic *efx __attribute__ ((unused))) +void efx_set_interrupt_affinity(struct efx_nic *efx __attribute__ ((unused))) { } -static void -efx_clear_interrupt_affinity(struct efx_nic *efx __attribute__ ((unused))) +void efx_clear_interrupt_affinity(struct efx_nic *efx __attribute__ ((unused))) { } #endif /* CONFIG_SMP */ -static int efx_soft_enable_interrupts(struct efx_nic *efx) +int efx_soft_enable_interrupts(struct efx_nic *efx) { struct efx_channel *channel, *end_channel; int rc; @@ -1723,7 +1712,7 @@ fail: return rc; } -static void efx_soft_disable_interrupts(struct efx_nic *efx) +void efx_soft_disable_interrupts(struct efx_nic *efx) { struct efx_channel *channel; @@ -1751,7 +1740,7 @@ static void efx_soft_disable_interrupts(struct efx_nic *efx) efx_mcdi_flush_async(efx); } -static int efx_enable_interrupts(struct efx_nic *efx) +int efx_enable_interrupts(struct efx_nic *efx) { struct efx_channel *channel, *end_channel; int rc; @@ -1793,7 +1782,7 @@ fail: return rc; } -static void efx_disable_interrupts(struct efx_nic *efx) +void efx_disable_interrupts(struct efx_nic *efx) { struct efx_channel *channel; @@ -1807,7 +1796,7 @@ static void efx_disable_interrupts(struct efx_nic *efx) efx->type->irq_disable_non_ev(efx); } -static void efx_remove_interrupts(struct efx_nic *efx) +void efx_remove_interrupts(struct efx_nic *efx) { struct efx_channel *channel; @@ -1821,7 +1810,7 @@ static void efx_remove_interrupts(struct efx_nic *efx) efx->legacy_irq = 0; } -static int efx_set_channels(struct efx_nic *efx) +int efx_set_channels(struct efx_nic *efx) { struct efx_channel *channel; struct efx_tx_queue *tx_queue; @@ -2074,7 +2063,7 @@ static int efx_probe_all(struct efx_nic *efx) * is safe to call multiple times, so long as the NIC is not disabled. * Requires the RTNL lock. */ -static void efx_start_all(struct efx_nic *efx) +void efx_start_all(struct efx_nic *efx) { EFX_ASSERT_RESET_SERIALISED(efx); BUG_ON(efx->state == STATE_DISABLED); @@ -2113,7 +2102,7 @@ static void efx_start_all(struct efx_nic *efx) * times with the NIC in almost any state, but interrupts should be * enabled. Requires the RTNL lock. */ -static void efx_stop_all(struct efx_nic *efx) +void efx_stop_all(struct efx_nic *efx) { EFX_ASSERT_RESET_SERIALISED(efx); @@ -2298,7 +2287,7 @@ static int efx_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd) * **************************************************************************/ -static void efx_init_napi_channel(struct efx_channel *channel) +void efx_init_napi_channel(struct efx_channel *channel) { struct efx_nic *efx = channel->efx; @@ -2307,7 +2296,7 @@ static void efx_init_napi_channel(struct efx_channel *channel) efx_poll, napi_weight); } -static void efx_init_napi(struct efx_nic *efx) +void efx_init_napi(struct efx_nic *efx) { struct efx_channel *channel; @@ -2315,7 +2304,7 @@ static void efx_init_napi(struct efx_nic *efx) efx_init_napi_channel(channel); } -static void efx_fini_napi_channel(struct efx_channel *channel) +void efx_fini_napi_channel(struct efx_channel *channel) { if (channel->napi_dev) netif_napi_del(&channel->napi_str); @@ -2323,7 +2312,7 @@ static void efx_fini_napi_channel(struct efx_channel *channel) channel->napi_dev = NULL; } -static void efx_fini_napi(struct efx_nic *efx) +void efx_fini_napi(struct efx_nic *efx) { struct efx_channel *channel; @@ -3203,8 +3192,8 @@ static const struct efx_phy_operations efx_dummy_phy_operations = { /* This zeroes out and then fills in the invariants in a struct * efx_nic (including all sub-structures). */ -static int efx_init_struct(struct efx_nic *efx, - struct pci_dev *pci_dev, struct net_device *net_dev) +int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev, + struct net_device *net_dev) { int rc = -ENOMEM, i; @@ -3283,7 +3272,7 @@ fail: return rc; } -static void efx_fini_struct(struct efx_nic *efx) +void efx_fini_struct(struct efx_nic *efx) { int i; diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index 2dd8d5002315..6ff454f2cb62 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -15,31 +15,19 @@ 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); 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); @@ -48,7 +36,6 @@ static inline void efx_rx_flush_packet(struct efx_channel *channel) if (channel->rx_pkt_n_frags) __efx_rx_packet(channel); } -void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); #define EFX_MAX_DMAQ_SIZE 4096UL #define EFX_DEFAULT_DMAQ_SIZE 1024UL @@ -80,8 +67,6 @@ 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 @@ -221,23 +206,11 @@ static inline bool efx_rss_active(struct efx_rss_context *ctx) /* 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, @@ -245,8 +218,6 @@ int efx_init_irq_moderation(struct efx_nic *efx, unsigned int tx_usecs, 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); @@ -293,9 +264,6 @@ static inline void efx_schedule_channel_irq(struct efx_channel *channel) 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); diff --git a/drivers/net/ethernet/sfc/efx_channels.h b/drivers/net/ethernet/sfc/efx_channels.h new file mode 100644 index 000000000000..8d7b8c4142d7 --- /dev/null +++ b/drivers/net/ethernet/sfc/efx_channels.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2018 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_CHANNELS_H +#define EFX_CHANNELS_H + +int efx_probe_interrupts(struct efx_nic *efx); +void efx_remove_interrupts(struct efx_nic *efx); +int efx_soft_enable_interrupts(struct efx_nic *efx); +void efx_soft_disable_interrupts(struct efx_nic *efx); +int efx_enable_interrupts(struct efx_nic *efx); +void efx_disable_interrupts(struct efx_nic *efx); + +void efx_set_interrupt_affinity(struct efx_nic *efx); +void efx_clear_interrupt_affinity(struct efx_nic *efx); + +int efx_probe_eventq(struct efx_channel *channel); +int efx_init_eventq(struct efx_channel *channel); +void efx_start_eventq(struct efx_channel *channel); +void efx_stop_eventq(struct efx_channel *channel); +void efx_fini_eventq(struct efx_channel *channel); +void efx_remove_eventq(struct efx_channel *channel); + +struct efx_channel * +efx_alloc_channel(struct efx_nic *efx, int i, struct efx_channel *old_channel); +int efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries); +void efx_get_channel_name(struct efx_channel *channel, char *buf, size_t len); +void efx_set_channel_names(struct efx_nic *efx); +int efx_init_channels(struct efx_nic *efx); +int efx_probe_channels(struct efx_nic *efx); +int efx_set_channels(struct efx_nic *efx); +bool efx_default_channel_want_txqs(struct efx_channel *channel); +void efx_remove_channel(struct efx_channel *channel); +void efx_remove_channels(struct efx_nic *efx); +void efx_fini_channels(struct efx_nic *efx); +struct efx_channel *efx_copy_channel(const struct efx_channel *old_channel); +void efx_start_channels(struct efx_nic *efx); +void efx_stop_channels(struct efx_nic *efx); + +void efx_init_napi_channel(struct efx_channel *channel); +void efx_init_napi(struct efx_nic *efx); +void efx_fini_napi_channel(struct efx_channel *channel); +void efx_fini_napi(struct efx_nic *efx); + +int efx_channel_dummy_op_int(struct efx_channel *channel); +void efx_channel_dummy_op_void(struct efx_channel *channel); + +#endif diff --git a/drivers/net/ethernet/sfc/efx_common.h b/drivers/net/ethernet/sfc/efx_common.h new file mode 100644 index 000000000000..cb690d01adbc --- /dev/null +++ b/drivers/net/ethernet/sfc/efx_common.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2018 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_COMMON_H +#define EFX_COMMON_H + +int efx_init_io(struct efx_nic *efx); +void efx_fini_io(struct efx_nic *efx); +int efx_init_struct(struct efx_nic *efx, struct pci_dev *pci_dev, + struct net_device *net_dev); +void efx_fini_struct(struct efx_nic *efx); + +void efx_start_all(struct efx_nic *efx); +void efx_stop_all(struct efx_nic *efx); + +int efx_create_reset_workqueue(void); +void efx_queue_reset_work(struct efx_nic *efx); +void efx_flush_reset_workqueue(struct efx_nic *efx); +void efx_destroy_reset_workqueue(void); + +void efx_start_monitor(struct efx_nic *efx); + +int __efx_reconfigure_port(struct efx_nic *efx); +int efx_reconfigure_port(struct efx_nic *efx); + +#define EFX_ASSERT_RESET_SERIALISED(efx) \ + do { \ + if ((efx->state == STATE_READY) || \ + (efx->state == STATE_RECOVERY) || \ + (efx->state == STATE_DISABLED)) \ + ASSERT_RTNL(); \ + } while (0) + +int efx_try_recovery(struct efx_nic *efx); +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_reset(struct efx_nic *efx, enum reset_type method); +void efx_schedule_reset(struct efx_nic *efx, enum reset_type type); + +int efx_check_disabled(struct efx_nic *efx); + +void efx_mac_reconfigure(struct efx_nic *efx); +void efx_link_status_changed(struct efx_nic *efx); + +#endif diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c index b31032da4bcb..f83398721ad7 100644 --- a/drivers/net/ethernet/sfc/ethtool.c +++ b/drivers/net/ethernet/sfc/ethtool.c @@ -13,6 +13,9 @@ #include "workarounds.h" #include "selftest.h" #include "efx.h" +#include "efx_channels.h" +#include "rx_common.h" +#include "tx_common.h" #include "filter.h" #include "nic.h" diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index eedd32e2bfcb..dbbb898adddb 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -15,6 +15,7 @@ #include "net_driver.h" #include "bitfield.h" #include "efx.h" +#include "rx_common.h" #include "nic.h" #include "farch_regs.h" #include "sriov.h" diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h index 9081f84a2604..65e454a062f7 100644 --- a/drivers/net/ethernet/sfc/mcdi.h +++ b/drivers/net/ethernet/sfc/mcdi.h @@ -346,7 +346,6 @@ int efx_mcdi_flush_rxqs(struct efx_nic *efx); int efx_mcdi_port_probe(struct efx_nic *efx); void efx_mcdi_port_remove(struct efx_nic *efx); int efx_mcdi_port_reconfigure(struct efx_nic *efx); -int efx_mcdi_port_get_number(struct efx_nic *efx); u32 efx_mcdi_phy_get_caps(struct efx_nic *efx); void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev); int efx_mcdi_set_mac(struct efx_nic *efx); diff --git a/drivers/net/ethernet/sfc/mcdi_functions.h b/drivers/net/ethernet/sfc/mcdi_functions.h new file mode 100644 index 000000000000..f0726c71698b --- /dev/null +++ b/drivers/net/ethernet/sfc/mcdi_functions.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2018 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_MCDI_FUNCTIONS_H +#define EFX_MCDI_FUNCTIONS_H + +int efx_mcdi_alloc_vis(struct efx_nic *efx, unsigned int min_vis, + unsigned int max_vis, unsigned int *vi_base, + unsigned int *allocated_vis); +int efx_mcdi_free_vis(struct efx_nic *efx); + +int efx_mcdi_ev_probe(struct efx_channel *channel); +int efx_mcdi_ev_init(struct efx_channel *channel, bool v1_cut_thru, bool v2); +void efx_mcdi_ev_remove(struct efx_channel *channel); +void efx_mcdi_ev_fini(struct efx_channel *channel); +int efx_mcdi_tx_init(struct efx_tx_queue *tx_queue, bool tso_v2); +void efx_mcdi_tx_remove(struct efx_tx_queue *tx_queue); +void efx_mcdi_tx_fini(struct efx_tx_queue *tx_queue); +int efx_mcdi_rx_probe(struct efx_rx_queue *rx_queue); +int efx_mcdi_rx_init(struct efx_rx_queue *rx_queue, bool want_outer_classes); +void efx_mcdi_rx_remove(struct efx_rx_queue *rx_queue); +void efx_mcdi_rx_fini(struct efx_rx_queue *rx_queue); + +#endif diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c index fb7cde4980ed..f19d7b8a2935 100644 --- a/drivers/net/ethernet/sfc/mcdi_port.c +++ b/drivers/net/ethernet/sfc/mcdi_port.c @@ -14,23 +14,9 @@ #include "mcdi_pcol.h" #include "nic.h" #include "selftest.h" +#include "mcdi_port_common.h" -struct efx_mcdi_phy_data { - u32 flags; - u32 type; - u32 supported_cap; - u32 channel; - u32 port; - u32 stats_mask; - u8 name[20]; - u32 media; - u32 mmd_mask; - u8 revision[20]; - u32 forced_cap; -}; - -static int -efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg) +int efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_CFG_OUT_LEN); size_t outlen; @@ -70,9 +56,9 @@ fail: return rc; } -static int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities, - u32 flags, u32 loopback_mode, - u32 loopback_speed) +int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities, + u32 flags, u32 loopback_mode, + u32 loopback_speed) { MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_LINK_IN_LEN); int rc; @@ -89,7 +75,7 @@ static int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities, return rc; } -static int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes) +int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LOOPBACK_MODES_OUT_LEN); size_t outlen; @@ -168,7 +154,7 @@ static int efx_mcdi_mdio_write(struct net_device *net_dev, return 0; } -static void mcdi_to_ethtool_linkset(u32 media, u32 cap, unsigned long *linkset) +void mcdi_to_ethtool_linkset(u32 media, u32 cap, unsigned long *linkset) { #define SET_BIT(name) __set_bit(ETHTOOL_LINK_MODE_ ## name ## _BIT, \ linkset) @@ -232,7 +218,7 @@ static void mcdi_to_ethtool_linkset(u32 media, u32 cap, unsigned long *linkset) #undef SET_BIT } -static u32 ethtool_linkset_to_mcdi_cap(const unsigned long *linkset) +u32 ethtool_linkset_to_mcdi_cap(const unsigned long *linkset) { u32 result = 0; @@ -273,7 +259,7 @@ static u32 ethtool_linkset_to_mcdi_cap(const unsigned long *linkset) return result; } -static u32 efx_get_mcdi_phy_flags(struct efx_nic *efx) +u32 efx_get_mcdi_phy_flags(struct efx_nic *efx) { struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; enum efx_phy_mode mode, supported; @@ -301,7 +287,7 @@ static u32 efx_get_mcdi_phy_flags(struct efx_nic *efx) return flags; } -static u8 mcdi_to_ethtool_media(u32 media) +u8 mcdi_to_ethtool_media(u32 media) { switch (media) { case MC_CMD_MEDIA_XAUI: @@ -322,7 +308,7 @@ static u8 mcdi_to_ethtool_media(u32 media) } } -static void efx_mcdi_phy_decode_link(struct efx_nic *efx, +void efx_mcdi_phy_decode_link(struct efx_nic *efx, struct efx_link_state *link_state, u32 speed, u32 flags, u32 fcntl) { @@ -365,7 +351,7 @@ static void efx_mcdi_phy_decode_link(struct efx_nic *efx, * Both RS and BASER (whether AUTO or not) means use FEC if cable and link * partner support it, preferring RS to BASER. */ -static u32 ethtool_fec_caps_to_mcdi(u32 ethtool_cap) +u32 ethtool_fec_caps_to_mcdi(u32 ethtool_cap) { u32 ret = 0; @@ -392,7 +378,7 @@ static u32 ethtool_fec_caps_to_mcdi(u32 ethtool_cap) * maps both of those to AUTO. This should never matter, and it's not clear * what a better mapping would be anyway. */ -static u32 mcdi_fec_caps_to_ethtool(u32 caps, bool is_25g) +u32 mcdi_fec_caps_to_ethtool(u32 caps, bool is_25g) { bool rs = caps & (1 << MC_CMD_PHY_CAP_RS_FEC_LBN), rs_req = caps & (1 << MC_CMD_PHY_CAP_RS_FEC_REQUESTED_LBN), @@ -530,7 +516,7 @@ int efx_mcdi_port_reconfigure(struct efx_nic *efx) /* Verify that the forced flow control settings (!EFX_FC_AUTO) are * supported by the link partner. Warn the user if this isn't the case */ -static void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa) +void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa) { struct efx_mcdi_phy_data *phy_cfg = efx->phy_data; u32 rmtadv; @@ -555,7 +541,7 @@ static void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa) "warning: link partner doesn't support pause frames"); } -static bool efx_mcdi_phy_poll(struct efx_nic *efx) +bool efx_mcdi_phy_poll(struct efx_nic *efx) { struct efx_link_state old_state = efx->link_state; MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_LEN); @@ -666,8 +652,8 @@ efx_mcdi_phy_set_link_ksettings(struct efx_nic *efx, return 0; } -static int efx_mcdi_phy_get_fecparam(struct efx_nic *efx, - struct ethtool_fecparam *fec) +int efx_mcdi_phy_get_fecparam(struct efx_nic *efx, + struct ethtool_fecparam *fec) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_LINK_OUT_V2_LEN); u32 caps, active, speed; /* MCDI format */ @@ -745,7 +731,7 @@ static int efx_mcdi_phy_set_fecparam(struct efx_nic *efx, return 0; } -static int efx_mcdi_phy_test_alive(struct efx_nic *efx) +int efx_mcdi_phy_test_alive(struct efx_nic *efx) { MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_PHY_STATE_OUT_LEN); size_t outlen; diff --git a/drivers/net/ethernet/sfc/mcdi_port_common.h b/drivers/net/ethernet/sfc/mcdi_port_common.h new file mode 100644 index 000000000000..10772de94b2c --- /dev/null +++ b/drivers/net/ethernet/sfc/mcdi_port_common.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2018 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_MCDI_PORT_COMMON_H +#define EFX_MCDI_PORT_COMMON_H + +#include "net_driver.h" +#include "mcdi.h" +#include "mcdi_pcol.h" + +struct efx_mcdi_phy_data { + u32 flags; + u32 type; + u32 supported_cap; + u32 channel; + u32 port; + u32 stats_mask; + u8 name[20]; + u32 media; + u32 mmd_mask; + u8 revision[20]; + u32 forced_cap; +}; + +int efx_mcdi_get_phy_cfg(struct efx_nic *efx, struct efx_mcdi_phy_data *cfg); +void efx_link_set_advertising(struct efx_nic *efx, + const unsigned long *advertising); +int efx_mcdi_set_link(struct efx_nic *efx, u32 capabilities, + u32 flags, u32 loopback_mode, u32 loopback_speed); +int efx_mcdi_loopback_modes(struct efx_nic *efx, u64 *loopback_modes); +void mcdi_to_ethtool_linkset(u32 media, u32 cap, unsigned long *linkset); +u32 ethtool_linkset_to_mcdi_cap(const unsigned long *linkset); +u32 efx_get_mcdi_phy_flags(struct efx_nic *efx); +u8 mcdi_to_ethtool_media(u32 media); +void efx_mcdi_phy_decode_link(struct efx_nic *efx, + struct efx_link_state *link_state, + u32 speed, u32 flags, u32 fcntl); +u32 ethtool_fec_caps_to_mcdi(u32 ethtool_cap); +u32 mcdi_fec_caps_to_ethtool(u32 caps, bool is_25g); +void efx_mcdi_phy_check_fcntl(struct efx_nic *efx, u32 lpa); +bool efx_mcdi_phy_poll(struct efx_nic *efx); +int efx_mcdi_phy_get_fecparam(struct efx_nic *efx, + struct ethtool_fecparam *fec); +int efx_mcdi_phy_test_alive(struct efx_nic *efx); +int efx_mcdi_port_get_number(struct efx_nic *efx); + +#endif diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 709172a6995e..52e6f11d8818 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -138,6 +138,8 @@ struct efx_special_buffer { * freed when descriptor completes * @xdpf: When @flags & %EFX_TX_BUF_XDP, the XDP frame information; its @data * member is the associated buffer to drop a page reference on. + * @option: When @flags & %EFX_TX_BUF_OPTION, an EF10-specific option + * descriptor. * @dma_addr: DMA address of the fragment. * @flags: Flags for allocation and DMA mapping type * @len: Length of this fragment. @@ -152,7 +154,7 @@ struct efx_tx_buffer { struct xdp_frame *xdpf; }; union { - efx_qword_t option; + efx_qword_t option; /* EF10 */ dma_addr_t dma_addr; }; unsigned short flags; @@ -1610,6 +1612,15 @@ static inline struct efx_rx_buffer *efx_rx_buffer(struct efx_rx_queue *rx_queue, return &rx_queue->buffer[index]; } +static inline struct efx_rx_buffer * +efx_rx_buf_next(struct efx_rx_queue *rx_queue, struct efx_rx_buffer *rx_buf) +{ + if (unlikely(rx_buf == efx_rx_buffer(rx_queue, rx_queue->ptr_mask))) + return efx_rx_buffer(rx_queue, 0); + else + return rx_buf + 1; +} + /** * EFX_MAX_FRAME_LEN - calculate maximum frame length * diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index bf0bdb22cc64..6670fda8f35a 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -11,6 +11,7 @@ #include <linux/net_tstamp.h> #include "net_driver.h" #include "efx.h" +#include "efx_common.h" #include "mcdi.h" enum { @@ -505,6 +506,9 @@ static inline void efx_nic_push_buffers(struct efx_tx_queue *tx_queue) tx_queue->efx->type->tx_write(tx_queue); } +int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue, struct sk_buff *skb, + bool *data_mapped); + /* RX data path */ static inline int efx_nic_probe_rx(struct efx_rx_queue *rx_queue) { @@ -553,6 +557,7 @@ static inline void efx_nic_eventq_read_ack(struct efx_channel *channel) { channel->efx->type->ev_read_ack(channel); } + void efx_nic_event_test_start(struct efx_channel *channel); /* Falcon/Siena queue operations */ @@ -670,6 +675,7 @@ struct efx_farch_register_test { unsigned address; efx_oword_t mask; }; + int efx_farch_test_registers(struct efx_nic *efx, const struct efx_farch_register_test *regs, size_t n_regs); diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index c29bf862a94c..26b5c36237fe 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -21,6 +21,7 @@ #include <linux/bpf_trace.h> #include "net_driver.h" #include "efx.h" +#include "rx_common.h" #include "filter.h" #include "nic.h" #include "selftest.h" @@ -77,15 +78,6 @@ static inline u32 efx_rx_buf_hash(struct efx_nic *efx, const u8 *eh) #endif } -static inline struct efx_rx_buffer * -efx_rx_buf_next(struct efx_rx_queue *rx_queue, struct efx_rx_buffer *rx_buf) -{ - if (unlikely(rx_buf == efx_rx_buffer(rx_queue, rx_queue->ptr_mask))) - return efx_rx_buffer(rx_queue, 0); - else - return rx_buf + 1; -} - static inline void efx_sync_rx_buffer(struct efx_nic *efx, struct efx_rx_buffer *rx_buf, unsigned int len) @@ -152,7 +144,7 @@ static struct page *efx_reuse_page(struct efx_rx_queue *rx_queue) * 0 on success. If a single page can be used for multiple buffers, * then the page will either be inserted fully, or not at all. */ -static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue, bool atomic) +int efx_init_rx_buffers(struct efx_rx_queue *rx_queue, bool atomic) { struct efx_nic *efx = rx_queue->efx; struct efx_rx_buffer *rx_buf; @@ -215,8 +207,8 @@ static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue, bool atomic) /* Unmap a DMA-mapped page. This function is only called for the final RX * buffer in a page. */ -static void efx_unmap_rx_buffer(struct efx_nic *efx, - struct efx_rx_buffer *rx_buf) +void efx_unmap_rx_buffer(struct efx_nic *efx, + struct efx_rx_buffer *rx_buf) { struct page *page = rx_buf->page; @@ -229,9 +221,9 @@ static void efx_unmap_rx_buffer(struct efx_nic *efx, } } -static void efx_free_rx_buffers(struct efx_rx_queue *rx_queue, - struct efx_rx_buffer *rx_buf, - unsigned int num_bufs) +void efx_free_rx_buffers(struct efx_rx_queue *rx_queue, + struct efx_rx_buffer *rx_buf, + unsigned int num_bufs) { do { if (rx_buf->page) { diff --git a/drivers/net/ethernet/sfc/rx_common.h b/drivers/net/ethernet/sfc/rx_common.h new file mode 100644 index 000000000000..8b23a7accea1 --- /dev/null +++ b/drivers/net/ethernet/sfc/rx_common.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2018 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_RX_COMMON_H +#define EFX_RX_COMMON_H + +/* Preferred number of descriptors to fill at once */ +#define EFX_RX_PREFERRED_BATCH 8U + +/* Each packet can consume up to ceil(max_frame_len / buffer_size) buffers */ +#define EFX_RX_MAX_FRAGS DIV_ROUND_UP(EFX_MAX_FRAME_LEN(EFX_MAX_MTU), \ + EFX_RX_USR_BUF_SIZE) + +void efx_rx_slow_fill(struct timer_list *t); + +int efx_probe_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_remove_rx_queue(struct efx_rx_queue *rx_queue); +void efx_destroy_rx_queue(struct efx_rx_queue *rx_queue); + +void efx_init_rx_buffer(struct efx_rx_queue *rx_queue, + struct page *page, + unsigned int page_offset, + u16 flags); +void efx_unmap_rx_buffer(struct efx_nic *efx, struct efx_rx_buffer *rx_buf); +void efx_free_rx_buffers(struct efx_rx_queue *rx_queue, + struct efx_rx_buffer *rx_buf, + unsigned int num_bufs); + +void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); +void efx_rx_config_page_split(struct efx_nic *efx); +void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue, bool atomic); + +#endif diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c index 8474cf8ea7d3..ec5002b5ec4f 100644 --- a/drivers/net/ethernet/sfc/selftest.c +++ b/drivers/net/ethernet/sfc/selftest.c @@ -18,6 +18,8 @@ #include <linux/slab.h> #include "net_driver.h" #include "efx.h" +#include "efx_common.h" +#include "efx_channels.h" #include "nic.h" #include "selftest.h" #include "workarounds.h" diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c index 81499244a4b4..810f6fc8a937 100644 --- a/drivers/net/ethernet/sfc/siena.c +++ b/drivers/net/ethernet/sfc/siena.c @@ -14,6 +14,7 @@ #include "net_driver.h" #include "bitfield.h" #include "efx.h" +#include "efx_common.h" #include "nic.h" #include "farch_regs.h" #include "io.h" diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 00c1c4402451..1c30354e098c 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -20,6 +20,7 @@ #include "io.h" #include "nic.h" #include "tx.h" +#include "tx_common.h" #include "workarounds.h" #include "ef10_regs.h" @@ -56,10 +57,10 @@ u8 *efx_tx_get_copy_buffer_limited(struct efx_tx_queue *tx_queue, return efx_tx_get_copy_buffer(tx_queue, buffer); } -static void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, - struct efx_tx_buffer *buffer, - unsigned int *pkts_compl, - unsigned int *bytes_compl) +void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, + struct efx_tx_buffer *buffer, + unsigned int *pkts_compl, + unsigned int *bytes_compl) { if (buffer->unmap_len) { struct device *dma_dev = &tx_queue->efx->pci_dev->dev; @@ -333,9 +334,9 @@ static int efx_enqueue_skb_pio(struct efx_tx_queue *tx_queue, } #endif /* EFX_USE_PIO */ -static struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, - dma_addr_t dma_addr, - size_t len) +struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, + dma_addr_t dma_addr, + size_t len) { const struct efx_nic_type *nic_type = tx_queue->efx->type; struct efx_tx_buffer *buffer; @@ -359,8 +360,8 @@ static struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, /* Map all data from an SKB for DMA and create descriptors on the queue. */ -static int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, - unsigned int segment_count) +int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, + unsigned int segment_count) { struct efx_nic *efx = tx_queue->efx; struct device *dma_dev = &efx->pci_dev->dev; diff --git a/drivers/net/ethernet/sfc/tx_common.h b/drivers/net/ethernet/sfc/tx_common.h new file mode 100644 index 000000000000..afdfc79a8ea0 --- /dev/null +++ b/drivers/net/ethernet/sfc/tx_common.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2018 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_TX_COMMON_H +#define EFX_TX_COMMON_H + +int efx_probe_tx_queue(struct efx_tx_queue *tx_queue); +void efx_init_tx_queue(struct efx_tx_queue *tx_queue); +void efx_fini_tx_queue(struct efx_tx_queue *tx_queue); +void efx_remove_tx_queue(struct efx_tx_queue *tx_queue); + +void efx_dequeue_buffer(struct efx_tx_queue *tx_queue, + struct efx_tx_buffer *buffer, + unsigned int *pkts_compl, + unsigned int *bytes_compl); + +struct efx_tx_buffer *efx_tx_map_chunk(struct efx_tx_queue *tx_queue, + dma_addr_t dma_addr, size_t len); +int efx_tx_map_data(struct efx_tx_queue *tx_queue, struct sk_buff *skb, + unsigned int segment_count); + +unsigned int efx_tx_max_skb_descs(struct efx_nic *efx); + +#endif |