diff options
Diffstat (limited to 'drivers/net/ethernet/meta/fbnic/fbnic_netdev.h')
| -rw-r--r-- | drivers/net/ethernet/meta/fbnic/fbnic_netdev.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h new file mode 100644 index 000000000000..9129a658f8fa --- /dev/null +++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h @@ -0,0 +1,117 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) Meta Platforms, Inc. and affiliates. */ + +#ifndef _FBNIC_NETDEV_H_ +#define _FBNIC_NETDEV_H_ + +#include <linux/phylink.h> +#include <linux/types.h> + +#include "fbnic_csr.h" +#include "fbnic_rpc.h" +#include "fbnic_txrx.h" + +#define FBNIC_MAX_NAPI_VECTORS 128u +#define FBNIC_MIN_RXD_PER_FRAME 2 + +/* Natively supported tunnel GSO features (not thru GSO_PARTIAL) */ +#define FBNIC_TUN_GSO_FEATURES NETIF_F_GSO_IPXIP6 + +struct fbnic_net { + struct bpf_prog *xdp_prog; + + struct fbnic_ring *tx[FBNIC_MAX_TXQS + FBNIC_MAX_XDPQS]; + struct fbnic_ring *rx[FBNIC_MAX_RXQS]; + + struct fbnic_napi_vector *napi[FBNIC_MAX_NAPI_VECTORS]; + + struct net_device *netdev; + struct fbnic_dev *fbd; + + u32 txq_size; + u32 hpq_size; + u32 ppq_size; + u32 rcq_size; + + u32 hds_thresh; + + u16 rx_usecs; + u16 tx_usecs; + + u32 rx_max_frames; + + u16 num_napi; + + struct phylink *phylink; + struct phylink_config phylink_config; + struct phylink_pcs *pcs; + + u8 aui; + u8 fec; + + /* Cached top bits of the HW time counter for 40b -> 64b conversion */ + u32 time_high; + /* Protect readers of @time_offset, writers take @time_lock. */ + struct u64_stats_sync time_seq; + /* Offset in ns between free running NIC PHC and time set via PTP + * clock callbacks + */ + s64 time_offset; + + u16 num_tx_queues; + u16 num_rx_queues; + + u8 indir_tbl[FBNIC_RPC_RSS_TBL_COUNT][FBNIC_RPC_RSS_TBL_SIZE]; + u32 rss_key[FBNIC_RPC_RSS_KEY_DWORD_LEN]; + u32 rss_flow_hash[FBNIC_NUM_HASH_OPT]; + + /* Storage for stats after ring destruction */ + struct fbnic_queue_stats tx_stats; + struct fbnic_queue_stats rx_stats; + struct fbnic_queue_stats bdq_stats; + u64 link_down_events; + + /* Time stamping filter config */ + struct kernel_hwtstamp_config hwtstamp_config; + + bool tx_pause; +}; + +int __fbnic_open(struct fbnic_net *fbn); +void fbnic_up(struct fbnic_net *fbn); +void fbnic_down(struct fbnic_net *fbn); +void fbnic_down_noidle(struct fbnic_net *fbn); + +struct net_device *fbnic_netdev_alloc(struct fbnic_dev *fbd); +void fbnic_netdev_free(struct fbnic_dev *fbd); +int fbnic_netdev_register(struct net_device *netdev); +void fbnic_netdev_unregister(struct net_device *netdev); +void fbnic_reset_queues(struct fbnic_net *fbn, + unsigned int tx, unsigned int rx); + +void fbnic_set_ethtool_ops(struct net_device *dev); + +int fbnic_ptp_setup(struct fbnic_dev *fbd); +void fbnic_ptp_destroy(struct fbnic_dev *fbd); +void fbnic_time_init(struct fbnic_net *fbn); +int fbnic_time_start(struct fbnic_net *fbn); +void fbnic_time_stop(struct fbnic_net *fbn); + +void __fbnic_set_rx_mode(struct fbnic_dev *fbd); +void fbnic_clear_rx_mode(struct fbnic_dev *fbd); + +void fbnic_phylink_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause); +int fbnic_phylink_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause); +int fbnic_phylink_ethtool_ksettings_get(struct net_device *netdev, + struct ethtool_link_ksettings *cmd); +int fbnic_phylink_get_fecparam(struct net_device *netdev, + struct ethtool_fecparam *fecparam); +int fbnic_phylink_create(struct net_device *netdev); +void fbnic_phylink_destroy(struct net_device *netdev); +int fbnic_phylink_init(struct net_device *netdev); +void fbnic_phylink_pmd_training_complete_notify(struct net_device *netdev); +bool fbnic_check_split_frames(struct bpf_prog *prog, + unsigned int mtu, u32 hds_threshold); +#endif /* _FBNIC_NETDEV_H_ */ |