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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qed_dcbx.h (2843B)

      1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
      2/* QLogic qed NIC Driver
      3 * Copyright (c) 2015-2017  QLogic Corporation
      4 * Copyright (c) 2019-2020 Marvell International Ltd.
      5 */
      6
      7#ifndef _QED_DCBX_H
      8#define _QED_DCBX_H
      9#include <linux/types.h>
     10#include <linux/slab.h>
     11#include "qed.h"
     12#include "qed_hsi.h"
     13#include "qed_hw.h"
     14#include "qed_mcp.h"
     15#include "qed_reg_addr.h"
     16
     17#define DCBX_CONFIG_MAX_APP_PROTOCOL    4
     18
     19enum qed_mib_read_type {
     20	QED_DCBX_OPERATIONAL_MIB,
     21	QED_DCBX_REMOTE_MIB,
     22	QED_DCBX_LOCAL_MIB,
     23	QED_DCBX_REMOTE_LLDP_MIB,
     24	QED_DCBX_LOCAL_LLDP_MIB
     25};
     26
     27struct qed_dcbx_app_data {
     28	bool enable;		/* DCB enabled */
     29	u8 update;		/* Update indication */
     30	u8 priority;		/* Priority */
     31	u8 tc;			/* Traffic Class */
     32	bool dont_add_vlan0;	/* Do not insert a vlan tag with id 0 */
     33};
     34
     35#define QED_DCBX_VERSION_DISABLED       0
     36#define QED_DCBX_VERSION_IEEE           1
     37#define QED_DCBX_VERSION_CEE            2
     38
     39struct qed_dcbx_set {
     40#define QED_DCBX_OVERRIDE_STATE	        BIT(0)
     41#define QED_DCBX_OVERRIDE_PFC_CFG       BIT(1)
     42#define QED_DCBX_OVERRIDE_ETS_CFG       BIT(2)
     43#define QED_DCBX_OVERRIDE_APP_CFG       BIT(3)
     44#define QED_DCBX_OVERRIDE_DSCP_CFG      BIT(4)
     45	u32 override_flags;
     46	bool enabled;
     47	struct qed_dcbx_admin_params config;
     48	u32 ver_num;
     49};
     50
     51struct qed_dcbx_results {
     52	bool dcbx_enabled;
     53	u8 pf_id;
     54	struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
     55};
     56
     57struct qed_dcbx_app_metadata {
     58	enum dcbx_protocol_type id;
     59	char *name;
     60	enum qed_pci_personality personality;
     61};
     62
     63struct qed_dcbx_info {
     64	struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS];
     65	struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS];
     66	struct dcbx_local_params local_admin;
     67	struct qed_dcbx_results results;
     68	struct dcbx_mib operational;
     69	struct dcbx_mib remote;
     70	struct qed_dcbx_set set;
     71	struct qed_dcbx_get get;
     72	u8 dcbx_cap;
     73};
     74
     75struct qed_dcbx_mib_meta_data {
     76	struct lldp_config_params_s *lldp_local;
     77	struct lldp_status_params_s *lldp_remote;
     78	struct dcbx_local_params *local_admin;
     79	struct dcbx_mib *mib;
     80	size_t size;
     81	u32 addr;
     82};
     83
     84extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
     85
     86#ifdef CONFIG_DCB
     87int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
     88			       struct qed_dcbx_set *params);
     89
     90int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
     91			   struct qed_dcbx_set *params, bool hw_commit);
     92#endif
     93
     94/* QED local interface routines */
     95int
     96qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
     97			  enum qed_mib_read_type type);
     98
     99int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn);
    100void qed_dcbx_info_free(struct qed_hwfn *p_hwfn);
    101void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
    102				   struct pf_update_ramrod_data *p_dest);
    103
    104#define QED_DCBX_DEFAULT_TC	0
    105
    106u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri);
    107#endif