/* SPDX-License-Identifier: GPL-2.0 */
/* Marvell RVU Admin Function driver
*
* Copyright (C) 2022 Marvell.
*
*/
#ifndef __RVU_NPC_HASH_H
#define __RVU_NPC_HASH_H
#define RVU_NPC_HASH_SECRET_KEY0 0 xa9d5af4c9fbc76b1
#define RVU_NPC_HASH_SECRET_KEY1 0 xa9d5af4c9fbc87b4
#define RVU_NPC_HASH_SECRET_KEY2 0 x5954c9e7
#define NPC_MAX_HASH 2
#define NPC_MAX_HASH_MASK 2
#define KEX_LD_CFG_USE_HASH(use_hash, bytesm1, hdr_ofs, ena, flags_ena, key_ofs) \
((use_hash) << 20 | ((bytesm1) << 16 ) | ((hdr_ofs) << 8 ) | \
((ena) << 7 ) | ((flags_ena) << 6 ) | ((key_ofs) & 0 x3F))
#define KEX_LD_CFG_HASH(hdr_ofs, bytesm1, lt_en, lid_en, lid, ltype_match, ltype_mask) \
(((hdr_ofs) << 32 ) | ((bytesm1) << 16 ) | \
((lt_en) << 12 ) | ((lid_en) << 11 ) | ((lid) << 8 ) | \
((ltype_match) << 4 ) | ((ltype_mask) & 0 xF))
#define SET_KEX_LD_HASH(intf, ld, cfg) \
rvu_write64(rvu, blkaddr, \
NPC_AF_INTFX_HASHX_CFG(intf, ld), cfg)
#define SET_KEX_LD_HASH_MASK(intf, ld, mask_idx, cfg) \
rvu_write64(rvu, blkaddr, \
NPC_AF_INTFX_HASHX_MASKX(intf, ld, mask_idx), cfg)
#define GET_KEX_LD_HASH_CTRL(intf, ld) \
rvu_read64(rvu, blkaddr, NPC_AF_INTFX_HASHX_RESULT_CTRL(intf, ld))
#define GET_KEX_LD_HASH_MASK(intf, ld, mask_idx) \
rvu_read64(rvu, blkaddr, NPC_AF_INTFX_HASHX_MASKX(intf, ld, mask_idx))
#define SET_KEX_LD_HASH_CTRL(intf, ld, cfg) \
rvu_write64(rvu, blkaddr, \
NPC_AF_INTFX_HASHX_RESULT_CTRL(intf, ld), cfg)
struct npc_mcam_kex_hash {
/* NPC_AF_INTF(0..1)_LID(0..7)_LT(0..15)_LD(0..1)_CFG */
bool lid_lt_ld_hash_en[NPC_MAX_INTF][NPC_MAX_LID][NPC_MAX_LT][NPC_MAX_LD];
/* NPC_AF_INTF(0..1)_HASH(0..1)_CFG */
u64 hash[NPC_MAX_INTF][NPC_MAX_HASH];
/* NPC_AF_INTF(0..1)_HASH(0..1)_MASK(0..1) */
u64 hash_mask[NPC_MAX_INTF][NPC_MAX_HASH][NPC_MAX_HASH_MASK];
/* NPC_AF_INTF(0..1)_HASH(0..1)_RESULT_CTRL */
u64 hash_ctrl[NPC_MAX_INTF][NPC_MAX_HASH];
} __packed;
void npc_update_field_hash(struct rvu *rvu, u8 intf,
struct mcam_entry *entry,
int blkaddr,
u64 features,
struct flow_msg *pkt,
struct flow_msg *mask,
struct flow_msg *opkt,
struct flow_msg *omask);
void npc_config_secret_key(struct rvu *rvu, int blkaddr);
void npc_program_mkex_hash(struct rvu *rvu, int blkaddr);
u32 npc_field_hash_calc(u64 *ldata, struct npc_get_field_hash_info_rsp rsp,
u8 intf, u8 hash_idx);
static struct npc_mcam_kex_hash npc_mkex_hash_default __maybe_unused = {
.lid_lt_ld_hash_en = {
[NIX_INTF_RX] = {
[NPC_LID_LC] = {
[NPC_LT_LC_IP6] = {
false ,
false ,
},
},
},
[NIX_INTF_TX] = {
[NPC_LID_LC] = {
[NPC_LT_LC_IP6] = {
false ,
false ,
},
},
},
},
.hash = {
[NIX_INTF_RX] = {
KEX_LD_CFG_HASH(0 x8ULL, 0 xf, 0 x1, 0 x1, NPC_LID_LC, NPC_LT_LC_IP6, 0 xf),
KEX_LD_CFG_HASH(0 x18ULL, 0 xf, 0 x1, 0 x1, NPC_LID_LC, NPC_LT_LC_IP6, 0 xf),
},
[NIX_INTF_TX] = {
KEX_LD_CFG_HASH(0 x8ULL, 0 xf, 0 x1, 0 x1, NPC_LID_LC, NPC_LT_LC_IP6, 0 xf),
KEX_LD_CFG_HASH(0 x18ULL, 0 xf, 0 x1, 0 x1, NPC_LID_LC, NPC_LT_LC_IP6, 0 xf),
},
},
.hash_mask = {
[NIX_INTF_RX] = {
[0 ] = {
GENMASK_ULL(63 , 0 ),
GENMASK_ULL(63 , 0 ),
},
[1 ] = {
GENMASK_ULL(63 , 0 ),
GENMASK_ULL(63 , 0 ),
},
},
[NIX_INTF_TX] = {
[0 ] = {
GENMASK_ULL(63 , 0 ),
GENMASK_ULL(63 , 0 ),
},
[1 ] = {
GENMASK_ULL(63 , 0 ),
GENMASK_ULL(63 , 0 ),
},
},
},
.hash_ctrl = {
[NIX_INTF_RX] = {
[0 ] = GENMASK_ULL(63 , 32 ), /* MSB 32 bit is mask and LSB 32 bit is offset. */
[1 ] = GENMASK_ULL(63 , 32 ), /* MSB 32 bit is mask and LSB 32 bit is offset. */
},
[NIX_INTF_TX] = {
[0 ] = GENMASK_ULL(63 , 32 ), /* MSB 32 bit is mask and LSB 32 bit is offset. */
[1 ] = GENMASK_ULL(63 , 32 ), /* MSB 32 bit is mask and LSB 32 bit is offset. */
},
},
};
/* If exact match table support is enabled, enable drop rules */
#define NPC_MCAM_DROP_RULE_MAX 30
#define NPC_MCAM_SDP_DROP_RULE_IDX 0
#define RVU_PFFUNC(pdev, pf, func) rvu_make_pcifunc(pdev, pf, func)
enum npc_exact_opc_type {
NPC_EXACT_OPC_MEM,
NPC_EXACT_OPC_CAM,
};
struct npc_exact_table_entry {
struct list_head list;
struct list_head glist;
u32 seq_id; /* Sequence number of entry */
u32 index; /* Mem table or cam table index */
u32 mcam_idx;
/* Mcam index. This is valid only if "cmd" field is false */
enum npc_exact_opc_type opc_type;
u16 chan;
u16 pcifunc;
u8 ways;
u8 mac[ETH_ALEN];
u8 ctype;
u8 cgx_id;
u8 lmac_id;
bool cmd; /* Is added by ethtool command ? */
};
struct npc_exact_table {
struct mutex lock; /* entries update lock */
unsigned long *id_bmap;
int num_drop_rules;
u32 tot_ids;
u16 cnt_cmd_rules[NPC_MCAM_DROP_RULE_MAX];
u16 counter_idx[NPC_MCAM_DROP_RULE_MAX];
bool promisc_mode[NPC_MCAM_DROP_RULE_MAX];
struct {
int ways;
int depth;
unsigned long *bmap;
u64 mask; // Masks before hash calculation.
u16 hash_mask; // 11 bits for hash mask
u16 hash_offset; // 11 bits offset
} mem_table;
struct {
int depth;
unsigned long *bmap;
} cam_table;
struct {
bool valid;
u16 chan_val;
u16 chan_mask;
u16 pcifunc;
u8 drop_rule_idx;
} drop_rule_map[NPC_MCAM_DROP_RULE_MAX];
#define NPC_EXACT_TBL_MAX_WAYS 4
struct list_head lhead_mem_tbl_entry[NPC_EXACT_TBL_MAX_WAYS];
int mem_tbl_entry_cnt;
struct list_head lhead_cam_tbl_entry;
int cam_tbl_entry_cnt;
struct list_head lhead_gbl;
};
bool rvu_npc_exact_has_match_table(struct rvu *rvu);
u32 rvu_npc_exact_get_max_entries(struct rvu *rvu);
int rvu_npc_exact_init(struct rvu *rvu);
int rvu_npc_exact_mac_addr_reset(struct rvu *rvu, struct cgx_mac_addr_reset_req *req,
struct msg_rsp *rsp);
int rvu_npc_exact_mac_addr_update(struct rvu *rvu,
struct cgx_mac_addr_update_req *req,
struct cgx_mac_addr_update_rsp *rsp);
int rvu_npc_exact_mac_addr_add(struct rvu *rvu,
struct cgx_mac_addr_add_req *req,
struct cgx_mac_addr_add_rsp *rsp);
int rvu_npc_exact_mac_addr_del(struct rvu *rvu,
struct cgx_mac_addr_del_req *req,
struct msg_rsp *rsp);
int rvu_npc_exact_mac_addr_set(struct rvu *rvu, struct cgx_mac_addr_set_or_get *req,
struct cgx_mac_addr_set_or_get *rsp);
void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc);
bool rvu_npc_exact_can_disable_feature(struct rvu *rvu);
void rvu_npc_exact_disable_feature(struct rvu *rvu);
void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc);
u16 rvu_npc_exact_drop_rule_to_pcifunc(struct rvu *rvu, u32 drop_rule_idx);
int rvu_npc_exact_promisc_disable(struct rvu *rvu, u16 pcifunc);
int rvu_npc_exact_promisc_enable(struct rvu *rvu, u16 pcifunc);
#endif /* RVU_NPC_HASH_H */
Messung V0.5 in Prozent C=94 H=91 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-07)
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