245 lines
8.6 KiB
C
245 lines
8.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Marvell CN10K MCS driver
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*
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* Copyright (C) 2022 Marvell.
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*/
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#ifndef MCS_H
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#define MCS_H
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#include <linux/bits.h>
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#include "rvu.h"
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#define PCI_DEVID_CN10K_MCS 0xA096
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#define MCSX_LINK_LMAC_RANGE_MASK GENMASK_ULL(19, 16)
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#define MCSX_LINK_LMAC_BASE_MASK GENMASK_ULL(11, 0)
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#define MCS_ID_MASK 0x7
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#define MCS_MAX_PFS 128
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#define MCS_PORT_MODE_MASK 0x3
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#define MCS_PORT_FIFO_SKID_MASK 0x3F
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#define MCS_MAX_CUSTOM_TAGS 0x8
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#define MCS_CTRLPKT_ETYPE_RULE_MAX 8
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#define MCS_CTRLPKT_DA_RULE_MAX 8
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#define MCS_CTRLPKT_DA_RANGE_RULE_MAX 4
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#define MCS_CTRLPKT_COMBO_RULE_MAX 4
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#define MCS_CTRLPKT_MAC_RULE_MAX 1
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#define MCS_MAX_CTRLPKT_RULES (MCS_CTRLPKT_ETYPE_RULE_MAX + \
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MCS_CTRLPKT_DA_RULE_MAX + \
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MCS_CTRLPKT_DA_RANGE_RULE_MAX + \
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MCS_CTRLPKT_COMBO_RULE_MAX + \
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MCS_CTRLPKT_MAC_RULE_MAX)
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#define MCS_CTRLPKT_ETYPE_RULE_OFFSET 0
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#define MCS_CTRLPKT_DA_RULE_OFFSET 8
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#define MCS_CTRLPKT_DA_RANGE_RULE_OFFSET 16
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#define MCS_CTRLPKT_COMBO_RULE_OFFSET 20
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#define MCS_CTRLPKT_MAC_EN_RULE_OFFSET 24
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/* Reserved resources for default bypass entry */
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#define MCS_RSRC_RSVD_CNT 1
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/* MCS Interrupt Vector */
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#define MCS_CNF10KB_INT_VEC_IP 0x13
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#define MCS_CN10KB_INT_VEC_IP 0x53
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#define MCS_MAX_BBE_INT 8ULL
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#define MCS_BBE_INT_MASK 0xFFULL
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#define MCS_MAX_PAB_INT 8ULL
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#define MCS_PAB_INT_MASK 0xFULL
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#define MCS_BBE_RX_INT_ENA BIT_ULL(0)
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#define MCS_BBE_TX_INT_ENA BIT_ULL(1)
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#define MCS_CPM_RX_INT_ENA BIT_ULL(2)
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#define MCS_CPM_TX_INT_ENA BIT_ULL(3)
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#define MCS_PAB_RX_INT_ENA BIT_ULL(4)
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#define MCS_PAB_TX_INT_ENA BIT_ULL(5)
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#define MCS_CPM_TX_INT_PACKET_XPN_EQ0 BIT_ULL(0)
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#define MCS_CPM_TX_INT_PN_THRESH_REACHED BIT_ULL(1)
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#define MCS_CPM_TX_INT_SA_NOT_VALID BIT_ULL(2)
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#define MCS_CPM_RX_INT_SECTAG_V_EQ1 BIT_ULL(0)
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#define MCS_CPM_RX_INT_SECTAG_E_EQ0_C_EQ1 BIT_ULL(1)
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#define MCS_CPM_RX_INT_SL_GTE48 BIT_ULL(2)
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#define MCS_CPM_RX_INT_ES_EQ1_SC_EQ1 BIT_ULL(3)
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#define MCS_CPM_RX_INT_SC_EQ1_SCB_EQ1 BIT_ULL(4)
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#define MCS_CPM_RX_INT_PACKET_XPN_EQ0 BIT_ULL(5)
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#define MCS_CPM_RX_INT_PN_THRESH_REACHED BIT_ULL(6)
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#define MCS_CPM_RX_INT_ALL (MCS_CPM_RX_INT_SECTAG_V_EQ1 | \
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MCS_CPM_RX_INT_SECTAG_E_EQ0_C_EQ1 | \
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MCS_CPM_RX_INT_SL_GTE48 | \
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MCS_CPM_RX_INT_ES_EQ1_SC_EQ1 | \
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MCS_CPM_RX_INT_SC_EQ1_SCB_EQ1 | \
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MCS_CPM_RX_INT_PACKET_XPN_EQ0 | \
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MCS_CPM_RX_INT_PN_THRESH_REACHED)
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struct mcs_pfvf {
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u64 intr_mask; /* Enabled Interrupt mask */
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};
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struct mcs_intr_event {
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u16 pcifunc;
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u64 intr_mask;
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u64 sa_id;
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u8 mcs_id;
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u8 lmac_id;
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};
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struct mcs_intrq_entry {
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struct list_head node;
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struct mcs_intr_event intr_event;
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};
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struct secy_mem_map {
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u8 flow_id;
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u8 secy;
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u8 ctrl_pkt;
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u8 sc;
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u64 sci;
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};
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struct mcs_rsrc_map {
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u16 *flowid2pf_map;
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u16 *secy2pf_map;
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u16 *sc2pf_map;
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u16 *sa2pf_map;
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u16 *flowid2secy_map; /* bitmap flowid mapped to secy*/
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u16 *ctrlpktrule2pf_map;
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struct rsrc_bmap flow_ids;
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struct rsrc_bmap secy;
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struct rsrc_bmap sc;
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struct rsrc_bmap sa;
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struct rsrc_bmap ctrlpktrule;
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};
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struct hwinfo {
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u8 tcam_entries;
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u8 secy_entries;
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u8 sc_entries;
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u16 sa_entries;
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u8 mcs_x2p_intf;
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u8 lmac_cnt;
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u8 mcs_blks;
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unsigned long lmac_bmap; /* bitmap of enabled mcs lmac */
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u16 ip_vec;
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};
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struct mcs {
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void __iomem *reg_base;
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struct pci_dev *pdev;
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struct device *dev;
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struct hwinfo *hw;
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struct mcs_rsrc_map tx;
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struct mcs_rsrc_map rx;
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u16 pf_map[MCS_MAX_PFS]; /* List of PCIFUNC mapped to MCS */
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u8 mcs_id;
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struct mcs_ops *mcs_ops;
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struct list_head mcs_list;
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/* Lock for mcs stats */
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struct mutex stats_lock;
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struct mcs_pfvf *pf;
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struct mcs_pfvf *vf;
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u16 num_vec;
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void *rvu;
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u16 *tx_sa_active;
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};
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struct mcs_ops {
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void (*mcs_set_hw_capabilities)(struct mcs *mcs);
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void (*mcs_parser_cfg)(struct mcs *mcs);
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void (*mcs_tx_sa_mem_map_write)(struct mcs *mcs, struct mcs_tx_sc_sa_map *map);
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void (*mcs_rx_sa_mem_map_write)(struct mcs *mcs, struct mcs_rx_sc_sa_map *map);
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void (*mcs_flowid_secy_map)(struct mcs *mcs, struct secy_mem_map *map, int dir);
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void (*mcs_bbe_intr_handler)(struct mcs *mcs, u64 intr, enum mcs_direction dir);
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void (*mcs_pab_intr_handler)(struct mcs *mcs, u64 intr, enum mcs_direction dir);
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};
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extern struct pci_driver mcs_driver;
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static inline void mcs_reg_write(struct mcs *mcs, u64 offset, u64 val)
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{
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writeq(val, mcs->reg_base + offset);
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}
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static inline u64 mcs_reg_read(struct mcs *mcs, u64 offset)
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{
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return readq(mcs->reg_base + offset);
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}
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/* MCS APIs */
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struct mcs *mcs_get_pdata(int mcs_id);
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int mcs_get_blkcnt(void);
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int mcs_set_lmac_channels(int mcs_id, u16 base);
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int mcs_alloc_rsrc(struct rsrc_bmap *rsrc, u16 *pf_map, u16 pcifunc);
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int mcs_free_rsrc(struct rsrc_bmap *rsrc, u16 *pf_map, int rsrc_id, u16 pcifunc);
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int mcs_alloc_all_rsrc(struct mcs *mcs, u8 *flowid, u8 *secy_id,
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u8 *sc_id, u8 *sa1_id, u8 *sa2_id, u16 pcifunc, int dir);
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int mcs_free_all_rsrc(struct mcs *mcs, int dir, u16 pcifunc);
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void mcs_clear_secy_plcy(struct mcs *mcs, int secy_id, int dir);
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void mcs_ena_dis_flowid_entry(struct mcs *mcs, int id, int dir, int ena);
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void mcs_ena_dis_sc_cam_entry(struct mcs *mcs, int id, int ena);
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void mcs_flowid_entry_write(struct mcs *mcs, u64 *data, u64 *mask, int id, int dir);
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void mcs_secy_plcy_write(struct mcs *mcs, u64 plcy, int id, int dir);
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void mcs_rx_sc_cam_write(struct mcs *mcs, u64 sci, u64 secy, int sc_id);
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void mcs_sa_plcy_write(struct mcs *mcs, u64 *plcy, int sa, int dir);
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void mcs_map_sc_to_sa(struct mcs *mcs, u64 *sa_map, int sc, int dir);
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void mcs_pn_table_write(struct mcs *mcs, u8 pn_id, u64 next_pn, u8 dir);
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void mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map);
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void mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir);
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void mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map);
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void mcs_pn_threshold_set(struct mcs *mcs, struct mcs_set_pn_threshold *pn);
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int mcs_install_flowid_bypass_entry(struct mcs *mcs);
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void mcs_set_lmac_mode(struct mcs *mcs, int lmac_id, u8 mode);
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void mcs_reset_port(struct mcs *mcs, u8 port_id, u8 reset);
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void mcs_set_port_cfg(struct mcs *mcs, struct mcs_port_cfg_set_req *req);
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void mcs_get_port_cfg(struct mcs *mcs, struct mcs_port_cfg_get_req *req,
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struct mcs_port_cfg_get_rsp *rsp);
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void mcs_get_custom_tag_cfg(struct mcs *mcs, struct mcs_custom_tag_cfg_get_req *req,
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struct mcs_custom_tag_cfg_get_rsp *rsp);
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int mcs_alloc_ctrlpktrule(struct rsrc_bmap *rsrc, u16 *pf_map, u16 offset, u16 pcifunc);
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int mcs_free_ctrlpktrule(struct mcs *mcs, struct mcs_free_ctrl_pkt_rule_req *req);
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int mcs_ctrlpktrule_write(struct mcs *mcs, struct mcs_ctrl_pkt_rule_write_req *req);
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/* CN10K-B APIs */
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void cn10kb_mcs_set_hw_capabilities(struct mcs *mcs);
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void cn10kb_mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map);
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void cn10kb_mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir);
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void cn10kb_mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map);
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void cn10kb_mcs_parser_cfg(struct mcs *mcs);
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void cn10kb_mcs_pab_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir);
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void cn10kb_mcs_bbe_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir);
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/* CNF10K-B APIs */
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struct mcs_ops *cnf10kb_get_mac_ops(void);
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void cnf10kb_mcs_set_hw_capabilities(struct mcs *mcs);
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void cnf10kb_mcs_tx_sa_mem_map_write(struct mcs *mcs, struct mcs_tx_sc_sa_map *map);
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void cnf10kb_mcs_flowid_secy_map(struct mcs *mcs, struct secy_mem_map *map, int dir);
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void cnf10kb_mcs_rx_sa_mem_map_write(struct mcs *mcs, struct mcs_rx_sc_sa_map *map);
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void cnf10kb_mcs_parser_cfg(struct mcs *mcs);
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void cnf10kb_mcs_tx_pn_thresh_reached_handler(struct mcs *mcs);
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void cnf10kb_mcs_tx_pn_wrapped_handler(struct mcs *mcs);
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void cnf10kb_mcs_bbe_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir);
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void cnf10kb_mcs_pab_intr_handler(struct mcs *mcs, u64 intr, enum mcs_direction dir);
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/* Stats APIs */
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void mcs_get_sc_stats(struct mcs *mcs, struct mcs_sc_stats *stats, int id, int dir);
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void mcs_get_sa_stats(struct mcs *mcs, struct mcs_sa_stats *stats, int id, int dir);
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void mcs_get_port_stats(struct mcs *mcs, struct mcs_port_stats *stats, int id, int dir);
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void mcs_get_flowid_stats(struct mcs *mcs, struct mcs_flowid_stats *stats, int id, int dir);
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void mcs_get_rx_secy_stats(struct mcs *mcs, struct mcs_secy_stats *stats, int id);
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void mcs_get_tx_secy_stats(struct mcs *mcs, struct mcs_secy_stats *stats, int id);
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void mcs_clear_stats(struct mcs *mcs, u8 type, u8 id, int dir);
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int mcs_clear_all_stats(struct mcs *mcs, u16 pcifunc, int dir);
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int mcs_set_force_clk_en(struct mcs *mcs, bool set);
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int mcs_add_intr_wq_entry(struct mcs *mcs, struct mcs_intr_event *event);
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#endif /* MCS_H */
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