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