cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rocker.h (4351B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * drivers/net/ethernet/rocker/rocker.h - Rocker switch device driver
      4 * Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
      5 * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
      6 */
      7
      8#ifndef _ROCKER_H
      9#define _ROCKER_H
     10
     11#include <linux/kernel.h>
     12#include <linux/types.h>
     13#include <linux/netdevice.h>
     14#include <linux/notifier.h>
     15#include <net/neighbour.h>
     16#include <net/switchdev.h>
     17
     18#include "rocker_hw.h"
     19
     20struct rocker_desc_info {
     21	char *data; /* mapped */
     22	size_t data_size;
     23	size_t tlv_size;
     24	struct rocker_desc *desc;
     25	dma_addr_t mapaddr;
     26};
     27
     28struct rocker_dma_ring_info {
     29	size_t size;
     30	u32 head;
     31	u32 tail;
     32	struct rocker_desc *desc; /* mapped */
     33	dma_addr_t mapaddr;
     34	struct rocker_desc_info *desc_info;
     35	unsigned int type;
     36};
     37
     38struct rocker;
     39
     40struct rocker_port {
     41	struct net_device *dev;
     42	struct rocker *rocker;
     43	void *wpriv;
     44	unsigned int port_number;
     45	u32 pport;
     46	struct napi_struct napi_tx;
     47	struct napi_struct napi_rx;
     48	struct rocker_dma_ring_info tx_ring;
     49	struct rocker_dma_ring_info rx_ring;
     50};
     51
     52struct rocker_port *rocker_port_dev_lower_find(struct net_device *dev,
     53					       struct rocker *rocker);
     54
     55struct rocker_world_ops;
     56
     57struct rocker {
     58	struct pci_dev *pdev;
     59	u8 __iomem *hw_addr;
     60	struct msix_entry *msix_entries;
     61	unsigned int port_count;
     62	struct rocker_port **ports;
     63	struct {
     64		u64 id;
     65	} hw;
     66	spinlock_t cmd_ring_lock;		/* for cmd ring accesses */
     67	struct rocker_dma_ring_info cmd_ring;
     68	struct rocker_dma_ring_info event_ring;
     69	struct notifier_block fib_nb;
     70	struct rocker_world_ops *wops;
     71	struct workqueue_struct *rocker_owq;
     72	void *wpriv;
     73};
     74
     75typedef int (*rocker_cmd_prep_cb_t)(const struct rocker_port *rocker_port,
     76				    struct rocker_desc_info *desc_info,
     77				    void *priv);
     78
     79typedef int (*rocker_cmd_proc_cb_t)(const struct rocker_port *rocker_port,
     80				    const struct rocker_desc_info *desc_info,
     81				    void *priv);
     82
     83int rocker_cmd_exec(struct rocker_port *rocker_port, bool nowait,
     84		    rocker_cmd_prep_cb_t prepare, void *prepare_priv,
     85		    rocker_cmd_proc_cb_t process, void *process_priv);
     86
     87int rocker_port_set_learning(struct rocker_port *rocker_port,
     88			     bool learning);
     89
     90struct rocker_world_ops {
     91	const char *kind;
     92	size_t priv_size;
     93	size_t port_priv_size;
     94	u8 mode;
     95	int (*init)(struct rocker *rocker);
     96	void (*fini)(struct rocker *rocker);
     97	int (*port_pre_init)(struct rocker_port *rocker_port);
     98	int (*port_init)(struct rocker_port *rocker_port);
     99	void (*port_fini)(struct rocker_port *rocker_port);
    100	void (*port_post_fini)(struct rocker_port *rocker_port);
    101	int (*port_open)(struct rocker_port *rocker_port);
    102	void (*port_stop)(struct rocker_port *rocker_port);
    103	int (*port_attr_stp_state_set)(struct rocker_port *rocker_port,
    104				       u8 state);
    105	int (*port_attr_bridge_flags_set)(struct rocker_port *rocker_port,
    106					  unsigned long brport_flags);
    107	int (*port_attr_bridge_flags_support_get)(const struct rocker_port *
    108						  rocker_port,
    109						  unsigned long *
    110						  p_brport_flags);
    111	int (*port_attr_bridge_ageing_time_set)(struct rocker_port *rocker_port,
    112						u32 ageing_time);
    113	int (*port_obj_vlan_add)(struct rocker_port *rocker_port,
    114				 const struct switchdev_obj_port_vlan *vlan);
    115	int (*port_obj_vlan_del)(struct rocker_port *rocker_port,
    116				 const struct switchdev_obj_port_vlan *vlan);
    117	int (*port_obj_fdb_add)(struct rocker_port *rocker_port,
    118				u16 vid, const unsigned char *addr);
    119	int (*port_obj_fdb_del)(struct rocker_port *rocker_port,
    120				u16 vid, const unsigned char *addr);
    121	int (*port_master_linked)(struct rocker_port *rocker_port,
    122				  struct net_device *master,
    123				  struct netlink_ext_ack *extack);
    124	int (*port_master_unlinked)(struct rocker_port *rocker_port,
    125				    struct net_device *master);
    126	int (*port_neigh_update)(struct rocker_port *rocker_port,
    127				 struct neighbour *n);
    128	int (*port_neigh_destroy)(struct rocker_port *rocker_port,
    129				  struct neighbour *n);
    130	int (*port_ev_mac_vlan_seen)(struct rocker_port *rocker_port,
    131				     const unsigned char *addr,
    132				     __be16 vlan_id);
    133	int (*fib4_add)(struct rocker *rocker,
    134			const struct fib_entry_notifier_info *fen_info);
    135	int (*fib4_del)(struct rocker *rocker,
    136			const struct fib_entry_notifier_info *fen_info);
    137	void (*fib4_abort)(struct rocker *rocker);
    138};
    139
    140extern struct rocker_world_ops rocker_ofdpa_ops;
    141
    142#endif