Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Dimitris Michailidis | 589 | 100.00% | 1 | 100.00% |
Total | 589 | 1 |
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ #ifndef _FUNETH_H #define _FUNETH_H #include <uapi/linux/if_ether.h> #include <uapi/linux/net_tstamp.h> #include <linux/mutex.h> #include <linux/seqlock.h> #include <linux/xarray.h> #include <net/devlink.h> #include "fun_dev.h" #define ADMIN_SQE_SIZE SZ_128 #define ADMIN_CQE_SIZE SZ_64 #define ADMIN_RSP_MAX_LEN (ADMIN_CQE_SIZE - sizeof(struct fun_cqe_info)) #define FUN_MAX_MTU 9024 #define SQ_DEPTH 512U #define CQ_DEPTH 1024U #define RQ_DEPTH (512U / (PAGE_SIZE / 4096)) #define CQ_INTCOAL_USEC 10 #define CQ_INTCOAL_NPKT 16 #define SQ_INTCOAL_USEC 10 #define SQ_INTCOAL_NPKT 16 #define INVALID_LPORT 0xffff #define FUN_PORT_CAP_PAUSE_MASK (FUN_PORT_CAP_TX_PAUSE | FUN_PORT_CAP_RX_PAUSE) struct fun_vport_info { u8 mac[ETH_ALEN]; u16 vlan; __be16 vlan_proto; u8 qos; u8 spoofchk:1; u8 trusted:1; unsigned int max_rate; }; /* "subclass" of fun_dev for Ethernet functions */ struct fun_ethdev { struct fun_dev fdev; /* the function's network ports */ struct net_device **netdevs; unsigned int num_ports; /* configuration for the function's virtual ports */ unsigned int num_vports; struct fun_vport_info *vport_info; struct mutex state_mutex; /* nests inside RTNL if both taken */ unsigned int nsqs_per_port; }; static inline struct fun_ethdev *to_fun_ethdev(struct fun_dev *p) { return container_of(p, struct fun_ethdev, fdev); } struct fun_qset { struct funeth_rxq **rxqs; struct funeth_txq **txqs; struct funeth_txq **xdpqs; unsigned int nrxqs; unsigned int ntxqs; unsigned int nxdpqs; unsigned int rxq_start; unsigned int txq_start; unsigned int xdpq_start; unsigned int cq_depth; unsigned int rq_depth; unsigned int sq_depth; int state; }; /* Per netdevice driver state, i.e., netdev_priv. */ struct funeth_priv { struct fun_dev *fdev; struct pci_dev *pdev; struct net_device *netdev; struct funeth_rxq * __rcu *rxqs; struct funeth_txq **txqs; struct funeth_txq * __rcu *xdpqs; struct xarray irqs; unsigned int num_tx_irqs; unsigned int num_rx_irqs; unsigned int rx_irq_ofst; unsigned int lane_attrs; u16 lport; /* link settings */ u64 port_caps; u64 advertising; u64 lp_advertising; unsigned int link_speed; u8 xcvr_type; u8 active_fc; u8 active_fec; u8 link_down_reason; seqcount_t link_seq; u32 msg_enable; unsigned int num_xdpqs; /* ethtool, etc. config parameters */ unsigned int sq_depth; unsigned int rq_depth; unsigned int cq_depth; unsigned int cq_irq_db; u8 tx_coal_usec; u8 tx_coal_count; u8 rx_coal_usec; u8 rx_coal_count; struct hwtstamp_config hwtstamp_cfg; /* cumulative queue stats from earlier queue instances */ u64 tx_packets; u64 tx_bytes; u64 tx_dropped; u64 rx_packets; u64 rx_bytes; u64 rx_dropped; /* RSS */ unsigned int rss_hw_id; enum fun_eth_hash_alg hash_algo; u8 rss_key[FUN_ETH_RSS_MAX_KEY_SIZE]; unsigned int indir_table_nentries; u32 indir_table[FUN_ETH_RSS_MAX_INDIR_ENT]; dma_addr_t rss_dma_addr; void *rss_cfg; /* DMA area for port stats */ dma_addr_t stats_dma_addr; __be64 *stats; struct bpf_prog *xdp_prog; struct devlink_port dl_port; /* kTLS state */ unsigned int ktls_id; atomic64_t tx_tls_add; atomic64_t tx_tls_del; atomic64_t tx_tls_resync; }; void fun_set_ethtool_ops(struct net_device *netdev); int fun_port_write_cmd(struct funeth_priv *fp, int key, u64 data); int fun_port_read_cmd(struct funeth_priv *fp, int key, u64 *data); int fun_create_and_bind_tx(struct funeth_priv *fp, u32 sqid); int fun_replace_queues(struct net_device *dev, struct fun_qset *newqs, struct netlink_ext_ack *extack); int fun_change_num_queues(struct net_device *dev, unsigned int ntx, unsigned int nrx); void fun_set_ring_count(struct net_device *netdev, unsigned int ntx, unsigned int nrx); int fun_config_rss(struct net_device *dev, int algo, const u8 *key, const u32 *qtable, u8 op); #endif /* _FUNETH_H */
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