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Message-ID: <20240911125246.GA65878@gmail.com>
Date: Wed, 11 Sep 2024 13:52:46 +0100
From: Martin Habets <habetsm.xilinx@...il.com>
To: jonathan.s.cooper@....com
Cc: Edward Cree <ecree.xilinx@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Richard Cochran <richardcochran@...il.com>, netdev@...r.kernel.org,
linux-net-drivers@....com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] sfc: Add X4 PF support
On Tue, Sep 10, 2024 at 04:30:13PM +0100, jonathan.s.cooper@....com wrote:
> From: Jonathan Cooper <jonathan.s.cooper@....com>
>
> Add X4 series. Most functionality is the same as previous
> EF10 nics but enough is different to warrant a new nic type struct
> and revision; for example legacy interrupts and SRIOV are
> not supported.
>
> Most removed features will be re-added later as new implementations.
>
> Signed-off-by: Jonathan Cooper <jonathan.s.cooper@....com>
Acked-by: Martin Habets <habetsm.xilinx@...il.com>
> ---
> drivers/net/ethernet/sfc/ef10.c | 127 ++++++++++++++++++++++++++
> drivers/net/ethernet/sfc/efx.c | 4 +
> drivers/net/ethernet/sfc/nic.h | 2 +
> drivers/net/ethernet/sfc/nic_common.h | 1 +
> 4 files changed, 134 insertions(+)
>
> diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
> index 7d69302ffa0a..de131fc5fa0b 100644
> --- a/drivers/net/ethernet/sfc/ef10.c
> +++ b/drivers/net/ethernet/sfc/ef10.c
> @@ -4302,3 +4302,130 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
> .sensor_event = efx_mcdi_sensor_event,
> .rx_recycle_ring_size = efx_ef10_recycle_ring_size,
> };
> +
> +const struct efx_nic_type efx_x4_nic_type = {
> + .is_vf = false,
> + .mem_bar = efx_ef10_pf_mem_bar,
> + .mem_map_size = efx_ef10_mem_map_size,
> + .probe = efx_ef10_probe_pf,
> + .remove = efx_ef10_remove,
> + .dimension_resources = efx_ef10_dimension_resources,
> + .init = efx_ef10_init_nic,
> + .fini = efx_ef10_fini_nic,
> + .map_reset_reason = efx_ef10_map_reset_reason,
> + .map_reset_flags = efx_ef10_map_reset_flags,
> + .reset = efx_ef10_reset,
> + .probe_port = efx_mcdi_port_probe,
> + .remove_port = efx_mcdi_port_remove,
> + .fini_dmaq = efx_fini_dmaq,
> + .prepare_flr = efx_ef10_prepare_flr,
> + .finish_flr = efx_port_dummy_op_void,
> + .describe_stats = efx_ef10_describe_stats,
> + .update_stats = efx_ef10_update_stats_pf,
> + .start_stats = efx_mcdi_mac_start_stats,
> + .pull_stats = efx_mcdi_mac_pull_stats,
> + .stop_stats = efx_mcdi_mac_stop_stats,
> + .push_irq_moderation = efx_ef10_push_irq_moderation,
> + .reconfigure_mac = efx_ef10_mac_reconfigure,
> + .check_mac_fault = efx_mcdi_mac_check_fault,
> + .reconfigure_port = efx_mcdi_port_reconfigure,
> + .get_wol = efx_ef10_get_wol,
> + .set_wol = efx_ef10_set_wol,
> + .resume_wol = efx_port_dummy_op_void,
> + .get_fec_stats = efx_ef10_get_fec_stats,
> + .test_chip = efx_ef10_test_chip,
> + .test_nvram = efx_mcdi_nvram_test_all,
> + .mcdi_request = efx_ef10_mcdi_request,
> + .mcdi_poll_response = efx_ef10_mcdi_poll_response,
> + .mcdi_read_response = efx_ef10_mcdi_read_response,
> + .mcdi_poll_reboot = efx_ef10_mcdi_poll_reboot,
> + .mcdi_reboot_detected = efx_ef10_mcdi_reboot_detected,
> + .irq_enable_master = efx_port_dummy_op_void,
> + .irq_test_generate = efx_ef10_irq_test_generate,
> + .irq_disable_non_ev = efx_port_dummy_op_void,
> + .irq_handle_msi = efx_ef10_msi_interrupt,
> + .tx_probe = efx_ef10_tx_probe,
> + .tx_init = efx_ef10_tx_init,
> + .tx_write = efx_ef10_tx_write,
> + .tx_limit_len = efx_ef10_tx_limit_len,
> + .tx_enqueue = __efx_enqueue_skb,
> + .rx_push_rss_config = efx_mcdi_pf_rx_push_rss_config,
> + .rx_pull_rss_config = efx_mcdi_rx_pull_rss_config,
> + .rx_push_rss_context_config = efx_mcdi_rx_push_rss_context_config,
> + .rx_pull_rss_context_config = efx_mcdi_rx_pull_rss_context_config,
> + .rx_restore_rss_contexts = efx_mcdi_rx_restore_rss_contexts,
> + .rx_probe = efx_mcdi_rx_probe,
> + .rx_init = efx_mcdi_rx_init,
> + .rx_remove = efx_mcdi_rx_remove,
> + .rx_write = efx_ef10_rx_write,
> + .rx_defer_refill = efx_ef10_rx_defer_refill,
> + .rx_packet = __efx_rx_packet,
> + .ev_probe = efx_mcdi_ev_probe,
> + .ev_init = efx_ef10_ev_init,
> + .ev_fini = efx_mcdi_ev_fini,
> + .ev_remove = efx_mcdi_ev_remove,
> + .ev_process = efx_ef10_ev_process,
> + .ev_read_ack = efx_ef10_ev_read_ack,
> + .ev_test_generate = efx_ef10_ev_test_generate,
> + .filter_table_probe = efx_ef10_filter_table_probe,
> + .filter_table_restore = efx_mcdi_filter_table_restore,
> + .filter_table_remove = efx_ef10_filter_table_remove,
> + .filter_insert = efx_mcdi_filter_insert,
> + .filter_remove_safe = efx_mcdi_filter_remove_safe,
> + .filter_get_safe = efx_mcdi_filter_get_safe,
> + .filter_clear_rx = efx_mcdi_filter_clear_rx,
> + .filter_count_rx_used = efx_mcdi_filter_count_rx_used,
> + .filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit,
> + .filter_get_rx_ids = efx_mcdi_filter_get_rx_ids,
> +#ifdef CONFIG_RFS_ACCEL
> + .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
> +#endif
> +#ifdef CONFIG_SFC_MTD
> + .mtd_probe = efx_ef10_mtd_probe,
> + .mtd_rename = efx_mcdi_mtd_rename,
> + .mtd_read = efx_mcdi_mtd_read,
> + .mtd_erase = efx_mcdi_mtd_erase,
> + .mtd_write = efx_mcdi_mtd_write,
> + .mtd_sync = efx_mcdi_mtd_sync,
> +#endif
> + .ptp_write_host_time = efx_ef10_ptp_write_host_time,
> + .ptp_set_ts_sync_events = efx_ef10_ptp_set_ts_sync_events,
> + .ptp_set_ts_config = efx_ef10_ptp_set_ts_config,
> + .vlan_rx_add_vid = efx_ef10_vlan_rx_add_vid,
> + .vlan_rx_kill_vid = efx_ef10_vlan_rx_kill_vid,
> + .udp_tnl_push_ports = efx_ef10_udp_tnl_push_ports,
> + .udp_tnl_has_port = efx_ef10_udp_tnl_has_port,
> +#ifdef CONFIG_SFC_SRIOV
> + /* currently set to the VF versions of these functions
> + * because SRIOV will be reimplemented later.
> + */
> + .vswitching_probe = efx_ef10_vswitching_probe_vf,
> + .vswitching_restore = efx_ef10_vswitching_restore_vf,
> + .vswitching_remove = efx_ef10_vswitching_remove_vf,
> +#endif
> + .get_mac_address = efx_ef10_get_mac_address_pf,
> + .set_mac_address = efx_ef10_set_mac_address,
> + .tso_versions = efx_ef10_tso_versions,
> +
> + .get_phys_port_id = efx_ef10_get_phys_port_id,
> + .revision = EFX_REV_X4,
> + .max_dma_mask = DMA_BIT_MASK(ESF_DZ_TX_KER_BUF_ADDR_WIDTH),
> + .rx_prefix_size = ES_DZ_RX_PREFIX_SIZE,
> + .rx_hash_offset = ES_DZ_RX_PREFIX_HASH_OFST,
> + .rx_ts_offset = ES_DZ_RX_PREFIX_TSTAMP_OFST,
> + .can_rx_scatter = true,
> + .always_rx_scatter = true,
> + .option_descriptors = true,
> + .min_interrupt_mode = EFX_INT_MODE_MSIX,
> + .timer_period_max = 1 << ERF_DD_EVQ_IND_TIMER_VAL_WIDTH,
> + .offload_features = EF10_OFFLOAD_FEATURES,
> + .mcdi_max_ver = 2,
> + .max_rx_ip_filters = EFX_MCDI_FILTER_TBL_ROWS,
> + .hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE |
> + 1 << HWTSTAMP_FILTER_ALL,
> + .check_caps = ef10_check_caps,
> + .print_additional_fwver = efx_ef10_print_additional_fwver,
> + .sensor_event = efx_mcdi_sensor_event,
> + .rx_recycle_ring_size = efx_ef10_recycle_ring_size,
> +};
> +
> diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
> index 6f1a01ded7d4..36b3b57e2055 100644
> --- a/drivers/net/ethernet/sfc/efx.c
> +++ b/drivers/net/ethernet/sfc/efx.c
> @@ -821,6 +821,10 @@ static const struct pci_device_id efx_pci_table[] = {
> .driver_data = (unsigned long) &efx_hunt_a0_nic_type},
> {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x1b03), /* SFC9250 VF */
> .driver_data = (unsigned long) &efx_hunt_a0_vf_nic_type},
> + {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x0c03), /* X4 PF (FF/LL) */
> + .driver_data = (unsigned long)&efx_x4_nic_type},
> + {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x2c03), /* X4 PF (FF only) */
> + .driver_data = (unsigned long)&efx_x4_nic_type},
> {0} /* end of list */
> };
>
> diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
> index 1db64fc6e909..9fa5c4c713ab 100644
> --- a/drivers/net/ethernet/sfc/nic.h
> +++ b/drivers/net/ethernet/sfc/nic.h
> @@ -211,4 +211,6 @@ int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
> extern const struct efx_nic_type efx_hunt_a0_nic_type;
> extern const struct efx_nic_type efx_hunt_a0_vf_nic_type;
>
> +extern const struct efx_nic_type efx_x4_nic_type;
> +
> #endif /* EFX_NIC_H */
> diff --git a/drivers/net/ethernet/sfc/nic_common.h b/drivers/net/ethernet/sfc/nic_common.h
> index 466df5348b29..7ec4ac7b7ff5 100644
> --- a/drivers/net/ethernet/sfc/nic_common.h
> +++ b/drivers/net/ethernet/sfc/nic_common.h
> @@ -21,6 +21,7 @@ enum {
> */
> EFX_REV_HUNT_A0 = 4,
> EFX_REV_EF100 = 5,
> + EFX_REV_X4 = 6,
> };
>
> static inline int efx_nic_rev(struct efx_nic *efx)
> --
> 2.17.1
>
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