/* * DirectConnect provides a common interface for the network devices to achieve the full or partial acceleration services from the underlying packet acceleration engine * Copyright (c) 2017, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #ifndef _DIRECTCONNECT_DP_DCMODE_API_H_ #define _DIRECTCONNECT_DP_DCMODE_API_H_ #include #include #define DC_DP_F_DCMODE_DEREGISTER 0x0001 #define DC_DP_DCMODE_DEV_DEREGISTER 0x0001 enum { DC_DP_DCMODE_HW = 0, DC_DP_DCMODE_SW = 1, DC_DP_DCMODE_MAX }; #define DC_DP_F_DCMODE_HW 0x0001 #define DC_DP_F_DCMODE_SW 0x0002 #define DC_DP_F_DCMODE_0 0x0010 #define DC_DP_F_DCMODE_1 0x0020 #define DC_DP_MAX_SOC_CLASS 16 struct dc_dp_dcmode_ops { int32_t (*get_peripheral_config)(int32_t port_id, enum dc_dp_dev_type dev_id, struct dc_dp_dev_config *dev_config); int32_t (*get_host_capability)(struct dc_dp_host_cap *cap, uint32_t flags); int32_t (*mark_pkt_devqos)(uint32_t devqos, struct sk_buff *skb); int32_t (*register_dev)(void *dev_ctx, struct module *owner, uint32_t port_id, struct net_device *dev, struct dc_dp_cb *datapathcb, struct dc_dp_res *resources, struct dc_dp_dev *devspec, uint32_t flags); int32_t (*register_dev_ex)(void *dev_ctx, struct module *owner, uint32_t port_id, struct net_device *dev, struct dc_dp_cb *datapathcb, struct dc_dp_res *resources, struct dc_dp_dev *devspec, int32_t ref_port_id, uint32_t alloc_flags, uint32_t flags); int32_t (*register_subif)(void *dev_ctx, struct module *owner, struct net_device *dev, const uint8_t *subif_name, struct dp_subif *subif_id, uint32_t flags); void (*set_subif_param)(void *dev_ctx, struct dc_dp_subif *dc_subif); void (*get_subif_param)(void *dev_ctx, struct dc_dp_subif *dc_subif); int32_t (*xmit)(void *dev_ctx, struct net_device *rx_if, struct dp_subif *rx_subif, struct dp_subif *tx_subif, struct sk_buff *skb, int32_t len, uint32_t flags); int32_t (*handle_ring_sw)(void *dev_ctx, struct module *owner, uint32_t port_id, struct net_device *dev, struct dc_dp_ring *ring, uint32_t flags); int32_t (*return_bufs)(void *dev_ctx, uint32_t port_id, void **buflist, uint32_t buflist_len, uint32_t flags); int32_t (*add_session_shortcut_forward)(void *dev_ctx, struct dp_subif *subif, struct sk_buff *skb, uint32_t flags); int32_t (*disconn_if)(void *dev_ctx, struct net_device *netif, struct dp_subif *subif_id, uint8_t mac_addr[MAX_ETH_ALEN], uint32_t flags); int32_t (*get_netif_stats)(void *dev_ctx, struct net_device *netif, struct dp_subif *subif_id, struct rtnl_link_stats64 *if_stats, uint32_t flags); int32_t (*clear_netif_stats)(void *dev_ctx, struct net_device *netif, struct dp_subif *subif_id, uint32_t flags); int32_t (*register_qos_class2prio_cb)(void *dev_ctx, int32_t port_id, struct net_device *netif, int (*cb)(int32_t port_id, struct net_device *netif, uint8_t class2prio[DC_DP_MAX_SOC_CLASS]), int32_t flags); int32_t (*map_class2devqos)(void *dev_ctx, int32_t port_id, struct net_device *netif, uint8_t class2prio[DC_DP_MAX_SOC_CLASS], uint8_t prio2devqos[]); struct sk_buff * (*alloc_skb)(void *dev_ctx, uint32_t len, struct dp_subif *subif, uint32_t flags); int32_t (*free_skb)(void *dev_ctx, struct dp_subif *subif, struct sk_buff *skb); int32_t (*change_dev_status)(void *dev_ctx, int32_t port_id, uint32_t flags); int32_t (*get_wol_cfg)(void *dev_ctx, int32_t port_id, struct dc_dp_wol_cfg *cfg, uint32_t flags); int32_t (*set_wol_cfg)(void *dev_ctx, int32_t port_id, struct dc_dp_wol_cfg *cfg, uint32_t flags); int32_t (*set_wol_ctrl)(void *dev_ctx, int32_t port_id, uint32_t enable); int32_t (*get_wol_ctrl_status)(void *dev_ctx, int32_t port_id); void (*dump_proc)(void *dev_ctx, struct seq_file *seq); }; struct dc_dp_dcmode { uint32_t dcmode_cap; struct dc_dp_dcmode_ops *dcmode_ops; }; struct dc_dp_dev_mib { unsigned long rx_fn_rxif_pkts; /* total packets received */ unsigned long tx_pkts; /* total packets transmitted */ unsigned long rx_fn_txif_pkts; /* total packets transmitted */ unsigned long rx_fn_rxif_bytes; /* total bytes received */ unsigned long tx_bytes; /* total bytes transmitted */ unsigned long rx_fn_txif_bytes; /* total bytes received */ unsigned long rx_fn_rxif_dropped; /* no space in linux buffers */ unsigned long tx_dropped; /* no space available in linux */ unsigned long rx_fn_txif_dropped; /* no space available in linux */ unsigned long rx_fn_rxif_errs; /* bad packets received */ unsigned long tx_errs; /* packet transmit problems */ unsigned long rx_fn_txif_errs; /* packet transmit problems */ }; int32_t dc_dp_register_dcmode(struct dc_dp_dcmode *dcmode, uint32_t flags); int32_t dc_dp_dcmode_init(void); int32_t dc_dp_dcmode_exit(void); /* Common layer function */ extern int32_t dc_dp_rx(struct net_device *rxif, struct net_device *txif, struct dp_subif *rx_subif, struct sk_buff *skb, int32_t len, uint32_t flags); extern int32_t dc_dp_check_if_netif_fastpath(struct net_device *netif, char *ifname, uint32_t flags); extern int32_t dc_dp_get_netif_subifid(struct net_device *netif, struct sk_buff *skb, void *subif_data, uint8_t dst_mac[MAX_ETH_ALEN], struct dp_subif *subif, uint32_t flags); extern int32_t dc_dp_qos_class2prio(int32_t port_id, struct net_device *netif, uint8_t *class2prio); int32_t dc_dp_get_dev_specific_desc_info(int32_t port_id, struct sk_buff *skb, struct dc_dp_fields_value_dw *desc_fields, uint32_t flags); extern int32_t dc_dp_register_dcmode_device(struct module *owner, int32_t port_id, struct net_device *dev, void *p_dcmode_devinfo, uint32_t flags); extern int32_t dc_dp_get_dcmode_device(int32_t port_id, void **p_devinfo); extern int32_t dc_dp_get_dcmode(void *ctx, int32_t port_id, struct dc_dp_res *res, struct dc_dp_dcmode **pp_dcmode, uint32_t flags); #endif