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185f812c41
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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
319 lines
11 KiB
C
319 lines
11 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 Marvell International Ltd.
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*
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* Helper functions for PKI
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*/
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#ifndef __CVMX_HELPER_PKI_H__
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#define __CVMX_HELPER_PKI_H__
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#include "cvmx-pki.h"
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/* Modify this if more than 8 ilk channels need to be supported */
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#define CVMX_MAX_PORT_PER_INTERFACE 64
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#define CVMX_MAX_QOS_PRIORITY 64
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#define CVMX_PKI_FIND_AVAILABLE_RSRC (-1)
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struct cvmx_pki_qos_schd {
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cvmx_fpa3_gaura_t _aura;
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cvmx_fpa3_pool_t _pool;
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bool pool_per_qos;
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int pool_num;
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char *pool_name;
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u64 pool_buff_size;
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u64 pool_max_buff;
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bool aura_per_qos;
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int aura_num;
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char *aura_name;
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u64 aura_buff_cnt;
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bool sso_grp_per_qos;
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int sso_grp;
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u16 port_add;
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int qpg_base;
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};
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struct cvmx_pki_prt_schd {
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cvmx_fpa3_pool_t _pool;
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cvmx_fpa3_gaura_t _aura;
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bool cfg_port;
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int style;
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bool pool_per_prt;
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int pool_num;
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char *pool_name;
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u64 pool_buff_size;
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u64 pool_max_buff;
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bool aura_per_prt;
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int aura_num;
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char *aura_name;
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u64 aura_buff_cnt;
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bool sso_grp_per_prt;
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int sso_grp;
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enum cvmx_pki_qpg_qos qpg_qos;
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int qpg_base;
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struct cvmx_pki_qos_schd qos_s[CVMX_MAX_QOS_PRIORITY];
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};
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struct cvmx_pki_intf_schd {
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cvmx_fpa3_pool_t _pool;
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cvmx_fpa3_gaura_t _aura;
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bool style_per_intf;
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int style;
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bool pool_per_intf;
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int pool_num;
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char *pool_name;
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u64 pool_buff_size;
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u64 pool_max_buff;
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bool aura_per_intf;
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int aura_num;
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char *aura_name;
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u64 aura_buff_cnt;
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bool sso_grp_per_intf;
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int sso_grp;
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bool qos_share_aura;
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bool qos_share_grp;
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int qpg_base;
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struct cvmx_pki_prt_schd prt_s[CVMX_MAX_PORT_PER_INTERFACE];
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};
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struct cvmx_pki_global_schd {
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bool setup_pool;
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int pool_num;
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char *pool_name;
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u64 pool_buff_size;
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u64 pool_max_buff;
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bool setup_aura;
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int aura_num;
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char *aura_name;
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u64 aura_buff_cnt;
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bool setup_sso_grp;
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int sso_grp;
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cvmx_fpa3_pool_t _pool;
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cvmx_fpa3_gaura_t _aura;
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};
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struct cvmx_pki_legacy_qos_watcher {
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bool configured;
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enum cvmx_pki_term field;
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u32 data;
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u32 data_mask;
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u8 advance;
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u8 sso_grp;
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};
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extern bool cvmx_pki_dflt_init[CVMX_MAX_NODES];
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extern struct cvmx_pki_pool_config pki_dflt_pool[CVMX_MAX_NODES];
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extern struct cvmx_pki_aura_config pki_dflt_aura[CVMX_MAX_NODES];
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extern struct cvmx_pki_style_config pki_dflt_style[CVMX_MAX_NODES];
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extern struct cvmx_pki_pkind_config pki_dflt_pkind[CVMX_MAX_NODES];
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extern u64 pkind_style_map[CVMX_MAX_NODES][CVMX_PKI_NUM_PKIND];
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extern struct cvmx_pki_sso_grp_config pki_dflt_sso_grp[CVMX_MAX_NODES];
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extern struct cvmx_pki_legacy_qos_watcher qos_watcher[8];
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/**
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* This function Enabled the PKI hardware to
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* start accepting/processing packets.
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* @param node node number
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*/
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void cvmx_helper_pki_enable(int node);
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/**
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* This function frees up PKI resources consumed by that port.
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* This function should only be called if port resources
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* (fpa pools aura, style qpg entry pcam entry etc.) are not shared
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* @param xipd_port ipd port number for which resources need to
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* be freed.
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*/
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int cvmx_helper_pki_port_shutdown(int xipd_port);
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/**
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* This function shuts down complete PKI hardware
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* and software resources.
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* @param node node number where PKI needs to shutdown.
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*/
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void cvmx_helper_pki_shutdown(int node);
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/**
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* This function calculates how mant qpf entries will be needed for
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* a particular QOS.
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* @param qpg_qos qos value for which entries need to be calculated.
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*/
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int cvmx_helper_pki_get_num_qpg_entry(enum cvmx_pki_qpg_qos qpg_qos);
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/**
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* This function setups the qos table by allocating qpg entry and writing
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* the provided parameters to that entry (offset).
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* @param node node number.
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* @param qpg_cfg pointer to struct containing qpg configuration
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*/
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int cvmx_helper_pki_set_qpg_entry(int node, struct cvmx_pki_qpg_config *qpg_cfg);
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/**
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* This function sets up aura QOS for RED, backpressure and tail-drop.
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*
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* @param node node number.
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* @param aura aura to configure.
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* @param ena_red enable RED based on [DROP] and [PASS] levels
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* 1: enable 0:disable
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* @param pass_thresh pass threshold for RED.
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* @param drop_thresh drop threshold for RED
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* @param ena_bp enable backpressure based on [BP] level.
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* 1:enable 0:disable
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* @param bp_thresh backpressure threshold.
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* @param ena_drop enable tail drop.
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* 1:enable 0:disable
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* Return: Zero on success. Negative on failure
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*/
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int cvmx_helper_setup_aura_qos(int node, int aura, bool ena_red, bool ena_drop, u64 pass_thresh,
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u64 drop_thresh, bool ena_bp, u64 bp_thresh);
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/**
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* This function maps specified bpid to all the auras from which it can receive bp and
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* then maps that bpid to all the channels, that bpid can asserrt bp on.
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*
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* @param node node number.
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* @param aura aura number which will back pressure specified bpid.
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* @param bpid bpid to map.
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* @param chl_map array of channels to map to that bpid.
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* @param chl_cnt number of channel/ports to map to that bpid.
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* Return: Zero on success. Negative on failure
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*/
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int cvmx_helper_pki_map_aura_chl_bpid(int node, u16 aura, u16 bpid, u16 chl_map[], u16 chl_cnt);
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/**
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* This function sets up the global pool, aura and sso group
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* resources which application can use between any interfaces
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* and ports.
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* @param node node number
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* @param gblsch pointer to struct containing global
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* scheduling parameters.
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*/
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int cvmx_helper_pki_set_gbl_schd(int node, struct cvmx_pki_global_schd *gblsch);
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/**
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* This function sets up scheduling parameters (pool, aura, sso group etc)
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* of an ipd port.
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* @param xipd_port ipd port number
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* @param prtsch pointer to struct containing port's
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* scheduling parameters.
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*/
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int cvmx_helper_pki_init_port(int xipd_port, struct cvmx_pki_prt_schd *prtsch);
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/**
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* This function sets up scheduling parameters (pool, aura, sso group etc)
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* of an interface (all ports/channels on that interface).
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* @param xiface interface number with node.
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* @param intfsch pointer to struct containing interface
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* scheduling parameters.
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* @param gblsch pointer to struct containing global scheduling parameters
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* (can be NULL if not used)
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*/
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int cvmx_helper_pki_init_interface(const int xiface, struct cvmx_pki_intf_schd *intfsch,
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struct cvmx_pki_global_schd *gblsch);
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/**
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* This function gets all the PKI parameters related to that
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* particular port from hardware.
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* @param xipd_port ipd port number to get parameter of
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* @param port_cfg pointer to structure where to store read parameters
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*/
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void cvmx_pki_get_port_config(int xipd_port, struct cvmx_pki_port_config *port_cfg);
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/**
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* This function sets all the PKI parameters related to that
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* particular port in hardware.
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* @param xipd_port ipd port number to get parameter of
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* @param port_cfg pointer to structure containing port parameters
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*/
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void cvmx_pki_set_port_config(int xipd_port, struct cvmx_pki_port_config *port_cfg);
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/**
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* This function displays all the PKI parameters related to that
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* particular port.
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* @param xipd_port ipd port number to display parameter of
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*/
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void cvmx_pki_show_port_config(int xipd_port);
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/**
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* Modifies maximum frame length to check.
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* It modifies the global frame length set used by this port, any other
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* port using the same set will get affected too.
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* @param xipd_port ipd port for which to modify max len.
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* @param max_size maximum frame length
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*/
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void cvmx_pki_set_max_frm_len(int xipd_port, u32 max_size);
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/**
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* This function sets up all the ports of particular interface
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* for chosen fcs mode. (only use for backward compatibility).
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* New application can control it via init_interface calls.
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* @param node node number.
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* @param interface interface number.
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* @param nports number of ports
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* @param has_fcs 1 -- enable fcs check and fcs strip.
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* 0 -- disable fcs check.
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*/
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void cvmx_helper_pki_set_fcs_op(int node, int interface, int nports, int has_fcs);
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/**
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* This function sets the wqe buffer mode of all ports. First packet data buffer can reside
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* either in same buffer as wqe OR it can go in separate buffer. If used the later mode,
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* make sure software allocate enough buffers to now have wqe separate from packet data.
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* @param node node number.
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* @param pkt_outside_wqe 0 = The packet link pointer will be at word [FIRST_SKIP]
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* immediately followed by packet data, in the same buffer
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* as the work queue entry.
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* 1 = The packet link pointer will be at word [FIRST_SKIP] in a new
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* buffer separate from the work queue entry. Words following the
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* WQE in the same cache line will be zeroed, other lines in the
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* buffer will not be modified and will retain stale data (from the
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* buffer’s previous use). This setting may decrease the peak PKI
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* performance by up to half on small packets.
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*/
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void cvmx_helper_pki_set_wqe_mode(int node, bool pkt_outside_wqe);
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/**
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* This function sets the Packet mode of all ports and styles to little-endian.
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* It Changes write operations of packet data to L2C to
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* be in little-endian. Does not change the WQE header format, which is
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* properly endian neutral.
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* @param node node number.
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*/
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void cvmx_helper_pki_set_little_endian(int node);
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void cvmx_helper_pki_set_dflt_pool(int node, int pool, int buffer_size, int buffer_count);
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void cvmx_helper_pki_set_dflt_aura(int node, int aura, int pool, int buffer_count);
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void cvmx_helper_pki_set_dflt_pool_buffer(int node, int buffer_count);
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void cvmx_helper_pki_set_dflt_aura_buffer(int node, int buffer_count);
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void cvmx_helper_pki_set_dflt_pkind_map(int node, int pkind, int style);
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void cvmx_helper_pki_get_dflt_style(int node, struct cvmx_pki_style_config *style_cfg);
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void cvmx_helper_pki_set_dflt_style(int node, struct cvmx_pki_style_config *style_cfg);
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void cvmx_helper_pki_get_dflt_qpg(int node, struct cvmx_pki_qpg_config *qpg_cfg);
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void cvmx_helper_pki_set_dflt_qpg(int node, struct cvmx_pki_qpg_config *qpg_cfg);
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void cvmx_helper_pki_no_dflt_init(int node);
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void cvmx_helper_pki_set_dflt_bp_en(int node, bool bp_en);
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void cvmx_pki_dump_wqe(const cvmx_wqe_78xx_t *wqp);
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int __cvmx_helper_pki_port_setup(int node, int xipd_port);
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int __cvmx_helper_pki_global_setup(int node);
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void cvmx_helper_pki_show_port_config(int xipd_port);
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int __cvmx_helper_pki_install_dflt_vlan(int node);
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void __cvmx_helper_pki_set_dflt_ltype_map(int node);
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int cvmx_helper_pki_route_dmac(int node, int style, u64 mac_addr, u64 mac_addr_mask,
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int final_style);
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int cvmx_pki_clone_style(int node, int style, u64 cluster_mask);
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void cvmx_helper_pki_modify_prtgrp(int xipd_port, int grp_ok, int grp_bad);
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int cvmx_helper_pki_route_prt_dmac(int xipd_port, u64 mac_addr, u64 mac_addr_mask, int grp);
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void cvmx_helper_pki_errata(int node);
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#endif /* __CVMX_HELPER_PKI_H__ */
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