// SPDX-License-Identifier: GPL-2.0+
/* Microchip Sparx5 Switch driver VCAP implementation
*
* Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
*
* The Sparx5 Chip Register Model can be browsed at this location:
* https://github.com/microchip-ung/sparx-5_reginfo
*/
#include "vcap_api_debugfs.h"
#include "sparx5_main_regs.h"
#include "sparx5_main.h"
#include "sparx5_vcap_impl.h"
#include "sparx5_vcap_ag_api.h"
#include "sparx5_vcap_debugfs.h"
#define SUPER_VCAP_BLK_SIZE 3072 /* addresses per Super VCAP block */
#define STREAMSIZE (64 * 4) /* bytes in the VCAP cache area */
#define SPARX5_IS2_LOOKUPS 4
#define VCAP_IS2_KEYSEL(_ena, _noneth, _v4_mc, _v4_uc, _v6_mc, _v6_uc, _arp) \
(ANA_ACL_VCAP_S2_KEY_SEL_KEY_SEL_ENA_SET(_ena) | \
ANA_ACL_VCAP_S2_KEY_SEL_NON_ETH_KEY_SEL_SET(_noneth) | \
ANA_ACL_VCAP_S2_KEY_SEL_IP4_MC_KEY_SEL_SET(_v4_mc) | \
ANA_ACL_VCAP_S2_KEY_SEL_IP4_UC_KEY_SEL_SET(_v4_uc) | \
ANA_ACL_VCAP_S2_KEY_SEL_IP6_MC_KEY_SEL_SET(_v6_mc) | \
ANA_ACL_VCAP_S2_KEY_SEL_IP6_UC_KEY_SEL_SET(_v6_uc) | \
ANA_ACL_VCAP_S2_KEY_SEL_ARP_KEY_SEL_SET(_arp))
#define SPARX5_IS0_LOOKUPS 6
#define VCAP_IS0_KEYSEL(_ena, _etype, _ipv4, _ipv6, _mpls_uc, _mpls_mc, _mlbs) \
(ANA_CL_ADV_CL_CFG_LOOKUP_ENA_SET(_ena) | \
ANA_CL_ADV_CL_CFG_ETYPE_CLM_KEY_SEL_SET(_etype) | \
ANA_CL_ADV_CL_CFG_IP4_CLM_KEY_SEL_SET(_ipv4) | \
ANA_CL_ADV_CL_CFG_IP6_CLM_KEY_SEL_SET(_ipv6) | \
ANA_CL_ADV_CL_CFG_MPLS_UC_CLM_KEY_SEL_SET(_mpls_uc) | \
ANA_CL_ADV_CL_CFG_MPLS_MC_CLM_KEY_SEL_SET(_mpls_mc) | \
ANA_CL_ADV_CL_CFG_MLBS_CLM_KEY_SEL_SET(_mlbs))
#define SPARX5_ES0_LOOKUPS 1
#define VCAP_ES0_KEYSEL(_key) (REW_RTAG_ETAG_CTRL_ES0_ISDX_KEY_ENA_SET(_key))
#define SPARX5_STAT_ESDX_GRN_PKTS 0x300
#define SPARX5_STAT_ESDX_YEL_PKTS 0x301
#define SPARX5_ES2_LOOKUPS 2
#define VCAP_ES2_KEYSEL(_ena, _arp, _ipv4, _ipv6) \
(EACL_VCAP_ES2_KEY_SEL_KEY_ENA_SET(_ena) | \
EACL_VCAP_ES2_KEY_SEL_ARP_KEY_SEL_SET(_arp) | \
EACL_VCAP_ES2_KEY_SEL_IP4_KEY_SEL_SET(_ipv4) | \
EACL_VCAP_ES2_KEY_SEL_IP6_KEY_SEL_SET(_ipv6))
static struct sparx5_vcap_inst {
enum vcap_type vtype; /* type of vcap */
int vinst; /* instance number within the same type */
int lookups; /* number of lookups in this vcap type */
int lookups_per_instance; /* number of lookups in this instance */
int first_cid; /* first chain id in this vcap */
int last_cid; /* last chain id in this vcap */
int count; /* number of available addresses, not in super vcap */
int map_id; /* id in the super vcap block mapping (if applicable) */
int blockno; /* starting block in super vcap (if applicable) */
int blocks; /* number of blocks in super vcap (if applicable) */
bool ingress; /* is vcap in the ingress path */
} sparx5_vcap_inst_cfg[] = {
{
.vtype = VCAP_TYPE_IS0, /* CLM-0 */
.vinst = 0,
.map_id = 1,
.lookups = SPARX5_IS0_LOOKUPS,
.lookups_per_instance = SPARX5_IS0_LOOKUPS / 3,
.first_cid = SPARX5_VCAP_CID_IS0_L0,
.last_cid = SPARX5_VCAP_CID_IS0_L2 - 1,
.blockno = 8, /* Maps block 8-9 */
.blocks = 2,
.ingress = true,
},
{
.vtype = VCAP_TYPE_IS0, /* CLM-1 */
.vinst = 1,
.map_id = 2,
.lookups = SPARX5_IS0_LOOKUPS,
.lookups_per_instance = SPARX5_IS0_LOOKUPS / 3,
.first_cid = SPARX5_VCAP_CID_IS0_L2,
.last_cid = SPARX5_VCAP_CID_IS0_L4 - 1,
.blockno = 6, /* Maps block 6-7 */
.blocks = 2,
.ingress = true,
},
{
.vtype = VCAP_TYPE_IS0, /* CLM-2 */
.vinst = 2,
.map_id = 3,
.lookups = SPARX5_IS0_LOOKUPS,
.lookups_per_instance = SPARX5_IS0_LOOKUPS / 3,
.first_cid = SPARX5_VCAP_CID_IS0_L4,
.last_cid = SPARX5_VCAP_CID_IS0_MAX,
.blockno = 4, /* Maps block 4-5 */
.blocks = 2,
.ingress = true,
},
{
.vtype = VCAP_TYPE_IS2, /* IS2-0 */
.vinst = 0,
.map_id = 4,
.lookups = SPARX5_IS2_LOOKUPS,
.lookups_per_instance = SPARX5_IS2_LOOKUPS / 2,
.first_cid = SPARX5_VCAP_CID_IS2_L0,
.last_cid = SPARX5_VCAP_CID_IS2_L2 - 1,
.blockno = 0, /* Maps block 0-1 */
.blocks = 2,
.ingress = true,
},
{
.vtype = VCAP_TYPE_IS2, /* IS2-1 */
.vinst = 1,
.map_id = 5,
.lookups = SPARX5_IS2_LOOKUPS,
.lookups_per_instance = SPARX5_IS2_LOOKUPS / 2,
.first_cid = SPARX5_VCAP_CID_IS2_L2,
.last_cid = SPARX5_VCAP_CID_IS2_MAX,
.blockno = 2, /* Maps block 2-3 */
.blocks = 2,
.ingress = true,
},
{
.vtype = VCAP_TYPE_ES0,
.lookups = SPARX5_ES0_LOOKUPS,
.lookups_per_instance = SPARX5_ES0_LOOKUPS,
.first_cid = SPARX5_VCAP_CID_ES0_L0,
.last_cid = SPARX5_VCAP_CID_ES0_MAX,
.count = 4096, /* Addresses according to datasheet */
.ingress = false,
},
{
.vtype = VCAP_TYPE_ES2,
.lookups = SPARX5_ES2_LOOKUPS,
.lookups_per_instance = SPARX5_ES2_LOOKUPS,
.first_cid = SPARX5_VCAP_CID_ES2_L0,
.last_cid = SPARX5_VCAP_CID_ES2_MAX,
.count = 12288, /* Addresses according to datasheet */
.ingress = false,
},
};
/* These protocols have dedicated keysets in IS0 and a TC dissector */
static u16 sparx5_vcap_is0_known_etypes[] = {
ETH_P_ALL,
ETH_P_IP,
ETH_P_IPV6,
};
/* These protocols have dedicated keysets in IS2 and a TC dissector */
static u16 sparx5_vcap_is2_known_etypes[] = {
ETH_P_ALL,
ETH_P_ARP,
ETH_P_IP,
ETH_P_IPV6,
};
/* These protocols have dedicated keysets in ES2 and a TC dissector */
static u16 sparx5_vcap_es2_known_etypes[] = {
ETH_P_ALL,
ETH_P_ARP,
ETH_P_IP,
ETH_P_IPV6,
};
static void sparx5_vcap_type_err(struct sparx5 *sparx5,
struct vcap_admin *admin,
const char *fname)
{
pr_err("%s: vcap type: %s not supported\n",
fname, sparx5_vcaps[admin->vtype].name);
}
/* Await the super VCAP completion of the current operation */
static void sparx5_vcap_wait_super_update(struct sparx5 *sparx5)
{
u32 value;
read_poll_timeout(spx5_rd, value,
!VCAP_SUPER_CTRL_UPDATE_SHOT_GET(value), 500, 10000,
false, sparx5, VCAP_SUPER_CTRL);
}
/* Await the ES0 VCAP completion of the current operation */
static void sparx5_vcap_wait_es0_update(struct sparx5 *sparx5)
{
u32 value;
read_poll_timeout(spx5_rd, value,
!VCAP_ES0_CTRL_UPDATE_SHOT_GET(value), 500, 10000,
false, sparx5, VCAP_ES0_CTRL);
}
/* Await the ES2 VCAP completion of the current operation */
static void sparx5_vcap_wait_es2_update(struct sparx5 *sparx5)
{
u32 value;
read_poll_timeout(spx5_rd, value,
!VCAP_ES2_CTRL_UPDATE_SHOT_GET(value), 500, 10000,
false, sparx5, VCAP_ES2_CTRL);
}
/* Initializing a VCAP address range */
static void _sparx5_vcap_range_init(struct sparx5 *sparx5,
struct vcap_admin *admin,
u32 addr, u32 count)
{
u32 size = count - 1;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
case VCAP_TYPE_IS2:
spx5_wr(VCAP_SUPER_CFG_MV_NUM_POS_SET(0) |
VCAP_SUPER_CFG_MV_SIZE_SET(size),
sparx5, VCAP_SUPER_CFG);
spx5_wr(VCAP_SUPER_CTRL_UPDATE_CMD_SET(VCAP_CMD_INITIALIZE) |
VCAP_SUPER_CTRL_UPDATE_ENTRY_DIS_SET(0) |
VCAP_SUPER_CTRL_UPDATE_ACTION_DIS_SET(0) |
VCAP_SUPER_CTRL_UPDATE_CNT_DIS_SET(0) |
VCAP_SUPER_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_SUPER_CTRL_CLEAR_CACHE_SET(true) |
VCAP_SUPER_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_SUPER_CTRL);
sparx5_vcap_wait_super_update(sparx5);
break;
case VCAP_TYPE_ES0:
spx5_wr(VCAP_ES0_CFG_MV_NUM_POS_SET(0) |
VCAP_ES0_CFG_MV_SIZE_SET(size),
sparx5, VCAP_ES0_CFG);
spx5_wr(VCAP_ES0_CTRL_UPDATE_CMD_SET(VCAP_CMD_INITIALIZE) |
VCAP_ES0_CTRL_UPDATE_ENTRY_DIS_SET(0) |
VCAP_ES0_CTRL_UPDATE_ACTION_DIS_SET(0) |
VCAP_ES0_CTRL_UPDATE_CNT_DIS_SET(0) |
VCAP_ES0_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_ES0_CTRL_CLEAR_CACHE_SET(true) |
VCAP_ES0_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_ES0_CTRL);
sparx5_vcap_wait_es0_update(sparx5);
break;
case VCAP_TYPE_ES2:
spx5_wr(VCAP_ES2_CFG_MV_NUM_POS_SET(0) |
VCAP_ES2_CFG_MV_SIZE_SET(size),
sparx5, VCAP_ES2_CFG);
spx5_wr(VCAP_ES2_CTRL_UPDATE_CMD_SET(VCAP_CMD_INITIALIZE) |
VCAP_ES2_CTRL_UPDATE_ENTRY_DIS_SET(0) |
VCAP_ES2_CTRL_UPDATE_ACTION_DIS_SET(0) |
VCAP_ES2_CTRL_UPDATE_CNT_DIS_SET(0) |
VCAP_ES2_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_ES2_CTRL_CLEAR_CACHE_SET(true) |
VCAP_ES2_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_ES2_CTRL);
sparx5_vcap_wait_es2_update(sparx5);
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
/* Initializing VCAP rule data area */
static void sparx5_vcap_block_init(struct sparx5 *sparx5,
struct vcap_admin *admin)
{
_sparx5_vcap_range_init(sparx5, admin, admin->first_valid_addr,
admin->last_valid_addr -
admin->first_valid_addr);
}
/* Get the keyset name from the sparx5 VCAP model */
static const char *sparx5_vcap_keyset_name(struct net_device *ndev,
enum vcap_keyfield_set keyset)
{
struct sparx5_port *port = netdev_priv(ndev);
return vcap_keyset_name(port->sparx5->vcap_ctrl, keyset);
}
/* Check if this is the first lookup of IS0 */
static bool sparx5_vcap_is0_is_first_chain(struct vcap_rule *rule)
{
return (rule->vcap_chain_id >= SPARX5_VCAP_CID_IS0_L0 &&
rule->vcap_chain_id < SPARX5_VCAP_CID_IS0_L1) ||
((rule->vcap_chain_id >= SPARX5_VCAP_CID_IS0_L2 &&
rule->vcap_chain_id < SPARX5_VCAP_CID_IS0_L3)) ||
((rule->vcap_chain_id >= SPARX5_VCAP_CID_IS0_L4 &&
rule->vcap_chain_id < SPARX5_VCAP_CID_IS0_L5));
}
/* Check if this is the first lookup of IS2 */
static bool sparx5_vcap_is2_is_first_chain(struct vcap_rule *rule)
{
return (rule->vcap_chain_id >= SPARX5_VCAP_CID_IS2_L0 &&
rule->vcap_chain_id < SPARX5_VCAP_CID_IS2_L1) ||
((rule->vcap_chain_id >= SPARX5_VCAP_CID_IS2_L2 &&
rule->vcap_chain_id < SPARX5_VCAP_CID_IS2_L3));
}
static bool sparx5_vcap_es2_is_first_chain(struct vcap_rule *rule)
{
return (rule->vcap_chain_id >= SPARX5_VCAP_CID_ES2_L0 &&
rule->vcap_chain_id < SPARX5_VCAP_CID_ES2_L1);
}
/* Set the narrow range ingress port mask on a rule */
static void sparx5_vcap_add_ingress_range_port_mask(struct vcap_rule *rule,
struct net_device *ndev)
{
struct sparx5_port *port = netdev_priv(ndev);
u32 port_mask;
u32 range;
range = port->portno / BITS_PER_TYPE(u32);
/* Port bit set to match-any */
port_mask = ~BIT(port->portno % BITS_PER_TYPE(u32));
vcap_rule_add_key_u32(rule, VCAP_KF_IF_IGR_PORT_MASK_SEL, 0, 0xf);
vcap_rule_add_key_u32(rule, VCAP_KF_IF_IGR_PORT_MASK_RNG, range, 0xf);
vcap_rule_add_key_u32(rule, VCAP_KF_IF_IGR_PORT_MASK, 0, port_mask);
}
/* Set the wide range ingress port mask on a rule */
static void sparx5_vcap_add_wide_port_mask(struct vcap_rule *rule,
struct net_device *ndev)
{
struct sparx5_port *port = netdev_priv(ndev);
struct vcap_u72_key port_mask;
u32 range;
/* Port bit set to match-any */
memset(port_mask.value, 0, sizeof(port_mask.value));
memset(port_mask.mask, 0xff, sizeof(port_mask.mask));
range = port->portno / BITS_PER_BYTE;
port_mask.mask[range] = ~BIT(port->portno % BITS_PER_BYTE);
vcap_rule_add_key_u72(rule, VCAP_KF_IF_IGR_PORT_MASK, &port_mask);
}
static void sparx5_vcap_add_egress_range_port_mask(struct vcap_rule *rule,
struct net_device *ndev)
{
struct sparx5_port *port = netdev_priv(ndev);
u32 port_mask;
u32 range;
/* Mask range selects:
* 0-2: Physical/Logical egress port number 0-31, 32–63, 64.
* 3-5: Virtual Interface Number 0-31, 32-63, 64.
* 6: CPU queue Number 0-7.
*
* Use physical/logical port ranges (0-2)
*/
range = port->portno / BITS_PER_TYPE(u32);
/* Port bit set to match-any */
port_mask = ~BIT(port->portno % BITS_PER_TYPE(u32));
vcap_rule_add_key_u32(rule, VCAP_KF_IF_EGR_PORT_MASK_RNG, range, 0xf);
vcap_rule_add_key_u32(rule, VCAP_KF_IF_EGR_PORT_MASK, 0, port_mask);
}
/* Convert IS0 chain id to vcap lookup id */
static int sparx5_vcap_is0_cid_to_lookup(int cid)
{
int lookup = 0;
if (cid >= SPARX5_VCAP_CID_IS0_L1 && cid < SPARX5_VCAP_CID_IS0_L2)
lookup = 1;
else if (cid >= SPARX5_VCAP_CID_IS0_L2 && cid < SPARX5_VCAP_CID_IS0_L3)
lookup = 2;
else if (cid >= SPARX5_VCAP_CID_IS0_L3 && cid < SPARX5_VCAP_CID_IS0_L4)
lookup = 3;
else if (cid >= SPARX5_VCAP_CID_IS0_L4 && cid < SPARX5_VCAP_CID_IS0_L5)
lookup = 4;
else if (cid >= SPARX5_VCAP_CID_IS0_L5 && cid < SPARX5_VCAP_CID_IS0_MAX)
lookup = 5;
return lookup;
}
/* Convert IS2 chain id to vcap lookup id */
static int sparx5_vcap_is2_cid_to_lookup(int cid)
{
int lookup = 0;
if (cid >= SPARX5_VCAP_CID_IS2_L1 && cid < SPARX5_VCAP_CID_IS2_L2)
lookup = 1;
else if (cid >= SPARX5_VCAP_CID_IS2_L2 && cid < SPARX5_VCAP_CID_IS2_L3)
lookup = 2;
else if (cid >= SPARX5_VCAP_CID_IS2_L3 && cid < SPARX5_VCAP_CID_IS2_MAX)
lookup = 3;
return lookup;
}
/* Convert ES2 chain id to vcap lookup id */
static int sparx5_vcap_es2_cid_to_lookup(int cid)
{
int lookup = 0;
if (cid >= SPARX5_VCAP_CID_ES2_L1)
lookup = 1;
return lookup;
}
/* Add ethernet type IS0 keyset to a list */
static void
sparx5_vcap_is0_get_port_etype_keysets(struct vcap_keyset_list *keysetlist,
u32 value)
{
switch (ANA_CL_ADV_CL_CFG_ETYPE_CLM_KEY_SEL_GET(value)) {
case VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_NORMAL_7TUPLE);
break;
case VCAP_IS0_PS_ETYPE_NORMAL_5TUPLE_IP4:
vcap_keyset_list_add(keysetlist, VCAP_KFS_NORMAL_5TUPLE_IP4);
break;
}
}
/* Return the list of keysets for the vcap port configuration */
static int sparx5_vcap_is0_get_port_keysets(struct net_device *ndev,
int lookup,
struct vcap_keyset_list *keysetlist,
u16 l3_proto)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
int portno = port->portno;
u32 value;
value = spx5_rd(sparx5, ANA_CL_ADV_CL_CFG(portno, lookup));
/* Collect all keysets for the port in a list */
if (l3_proto == ETH_P_ALL)
sparx5_vcap_is0_get_port_etype_keysets(keysetlist, value);
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_IP)
switch (ANA_CL_ADV_CL_CFG_IP4_CLM_KEY_SEL_GET(value)) {
case VCAP_IS0_PS_ETYPE_DEFAULT:
sparx5_vcap_is0_get_port_etype_keysets(keysetlist,
value);
break;
case VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE:
vcap_keyset_list_add(keysetlist,
VCAP_KFS_NORMAL_7TUPLE);
break;
case VCAP_IS0_PS_ETYPE_NORMAL_5TUPLE_IP4:
vcap_keyset_list_add(keysetlist,
VCAP_KFS_NORMAL_5TUPLE_IP4);
break;
}
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_IPV6)
switch (ANA_CL_ADV_CL_CFG_IP6_CLM_KEY_SEL_GET(value)) {
case VCAP_IS0_PS_ETYPE_DEFAULT:
sparx5_vcap_is0_get_port_etype_keysets(keysetlist,
value);
break;
case VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE:
vcap_keyset_list_add(keysetlist,
VCAP_KFS_NORMAL_7TUPLE);
break;
case VCAP_IS0_PS_ETYPE_NORMAL_5TUPLE_IP4:
vcap_keyset_list_add(keysetlist,
VCAP_KFS_NORMAL_5TUPLE_IP4);
break;
}
if (l3_proto != ETH_P_IP && l3_proto != ETH_P_IPV6)
sparx5_vcap_is0_get_port_etype_keysets(keysetlist, value);
return 0;
}
/* Return the list of keysets for the vcap port configuration */
static int sparx5_vcap_is2_get_port_keysets(struct net_device *ndev,
int lookup,
struct vcap_keyset_list *keysetlist,
u16 l3_proto)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
int portno = port->portno;
u32 value;
value = spx5_rd(sparx5, ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
/* Collect all keysets for the port in a list */
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_ARP) {
switch (ANA_ACL_VCAP_S2_KEY_SEL_ARP_KEY_SEL_GET(value)) {
case VCAP_IS2_PS_ARP_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_IS2_PS_ARP_ARP:
vcap_keyset_list_add(keysetlist, VCAP_KFS_ARP);
break;
}
}
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_IP) {
switch (ANA_ACL_VCAP_S2_KEY_SEL_IP4_UC_KEY_SEL_GET(value)) {
case VCAP_IS2_PS_IPV4_UC_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_IS2_PS_IPV4_UC_IP4_TCP_UDP_OTHER:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_TCP_UDP);
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_OTHER);
break;
case VCAP_IS2_PS_IPV4_UC_IP_7TUPLE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
break;
}
switch (ANA_ACL_VCAP_S2_KEY_SEL_IP4_MC_KEY_SEL_GET(value)) {
case VCAP_IS2_PS_IPV4_MC_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_IS2_PS_IPV4_MC_IP4_TCP_UDP_OTHER:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_TCP_UDP);
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_OTHER);
break;
case VCAP_IS2_PS_IPV4_MC_IP_7TUPLE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
break;
}
}
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_IPV6) {
switch (ANA_ACL_VCAP_S2_KEY_SEL_IP6_UC_KEY_SEL_GET(value)) {
case VCAP_IS2_PS_IPV6_UC_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_IS2_PS_IPV6_UC_IP_7TUPLE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
break;
case VCAP_IS2_PS_IPV6_UC_IP6_STD:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP6_STD);
break;
case VCAP_IS2_PS_IPV6_UC_IP4_TCP_UDP_OTHER:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_TCP_UDP);
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_OTHER);
break;
}
switch (ANA_ACL_VCAP_S2_KEY_SEL_IP6_MC_KEY_SEL_GET(value)) {
case VCAP_IS2_PS_IPV6_MC_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_IS2_PS_IPV6_MC_IP_7TUPLE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
break;
case VCAP_IS2_PS_IPV6_MC_IP6_STD:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP6_STD);
break;
case VCAP_IS2_PS_IPV6_MC_IP4_TCP_UDP_OTHER:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_TCP_UDP);
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_OTHER);
break;
case VCAP_IS2_PS_IPV6_MC_IP6_VID:
/* Not used */
break;
}
}
if (l3_proto != ETH_P_ARP && l3_proto != ETH_P_IP &&
l3_proto != ETH_P_IPV6) {
switch (ANA_ACL_VCAP_S2_KEY_SEL_NON_ETH_KEY_SEL_GET(value)) {
case VCAP_IS2_PS_NONETH_MAC_ETYPE:
/* IS2 non-classified frames generate MAC_ETYPE */
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
}
}
return 0;
}
/* Return the keysets for the vcap port IP4 traffic class configuration */
static void
sparx5_vcap_es2_get_port_ipv4_keysets(struct vcap_keyset_list *keysetlist,
u32 value)
{
switch (EACL_VCAP_ES2_KEY_SEL_IP4_KEY_SEL_GET(value)) {
case VCAP_ES2_PS_IPV4_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_ES2_PS_IPV4_IP_7TUPLE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
break;
case VCAP_ES2_PS_IPV4_IP4_TCP_UDP_VID:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_TCP_UDP);
break;
case VCAP_ES2_PS_IPV4_IP4_TCP_UDP_OTHER:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_TCP_UDP);
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_OTHER);
break;
case VCAP_ES2_PS_IPV4_IP4_VID:
/* Not used */
break;
case VCAP_ES2_PS_IPV4_IP4_OTHER:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP4_OTHER);
break;
}
}
/* Return the list of keysets for the vcap port configuration */
static int sparx5_vcap_es0_get_port_keysets(struct net_device *ndev,
struct vcap_keyset_list *keysetlist,
u16 l3_proto)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
int portno = port->portno;
u32 value;
value = spx5_rd(sparx5, REW_RTAG_ETAG_CTRL(portno));
/* Collect all keysets for the port in a list */
switch (REW_RTAG_ETAG_CTRL_ES0_ISDX_KEY_ENA_GET(value)) {
case VCAP_ES0_PS_NORMAL_SELECTION:
case VCAP_ES0_PS_FORCE_ISDX_LOOKUPS:
vcap_keyset_list_add(keysetlist, VCAP_KFS_ISDX);
break;
default:
break;
}
return 0;
}
/* Return the list of keysets for the vcap port configuration */
static int sparx5_vcap_es2_get_port_keysets(struct net_device *ndev,
int lookup,
struct vcap_keyset_list *keysetlist,
u16 l3_proto)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
int portno = port->portno;
u32 value;
value = spx5_rd(sparx5, EACL_VCAP_ES2_KEY_SEL(portno, lookup));
/* Collect all keysets for the port in a list */
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_ARP) {
switch (EACL_VCAP_ES2_KEY_SEL_ARP_KEY_SEL_GET(value)) {
case VCAP_ES2_PS_ARP_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_ES2_PS_ARP_ARP:
vcap_keyset_list_add(keysetlist, VCAP_KFS_ARP);
break;
}
}
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_IP)
sparx5_vcap_es2_get_port_ipv4_keysets(keysetlist, value);
if (l3_proto == ETH_P_ALL || l3_proto == ETH_P_IPV6) {
switch (EACL_VCAP_ES2_KEY_SEL_IP6_KEY_SEL_GET(value)) {
case VCAP_ES2_PS_IPV6_MAC_ETYPE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
break;
case VCAP_ES2_PS_IPV6_IP_7TUPLE:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
break;
case VCAP_ES2_PS_IPV6_IP_7TUPLE_VID:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
break;
case VCAP_ES2_PS_IPV6_IP_7TUPLE_STD:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP_7TUPLE);
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP6_STD);
break;
case VCAP_ES2_PS_IPV6_IP6_VID:
/* Not used */
break;
case VCAP_ES2_PS_IPV6_IP6_STD:
vcap_keyset_list_add(keysetlist, VCAP_KFS_IP6_STD);
break;
case VCAP_ES2_PS_IPV6_IP4_DOWNGRADE:
sparx5_vcap_es2_get_port_ipv4_keysets(keysetlist,
value);
break;
}
}
if (l3_proto != ETH_P_ARP && l3_proto != ETH_P_IP &&
l3_proto != ETH_P_IPV6) {
vcap_keyset_list_add(keysetlist, VCAP_KFS_MAC_ETYPE);
}
return 0;
}
/* Get the port keyset for the vcap lookup */
int sparx5_vcap_get_port_keyset(struct net_device *ndev,
struct vcap_admin *admin,
int cid,
u16 l3_proto,
struct vcap_keyset_list *kslist)
{
int lookup, err = -EINVAL;
struct sparx5_port *port;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
lookup = sparx5_vcap_is0_cid_to_lookup(cid);
err = sparx5_vcap_is0_get_port_keysets(ndev, lookup, kslist,
l3_proto);
break;
case VCAP_TYPE_IS2:
lookup = sparx5_vcap_is2_cid_to_lookup(cid);
err = sparx5_vcap_is2_get_port_keysets(ndev, lookup, kslist,
l3_proto);
break;
case VCAP_TYPE_ES0:
err = sparx5_vcap_es0_get_port_keysets(ndev, kslist, l3_proto);
break;
case VCAP_TYPE_ES2:
lookup = sparx5_vcap_es2_cid_to_lookup(cid);
err = sparx5_vcap_es2_get_port_keysets(ndev, lookup, kslist,
l3_proto);
break;
default:
port = netdev_priv(ndev);
sparx5_vcap_type_err(port->sparx5, admin, __func__);
break;
}
return err;
}
/* Check if the ethertype is supported by the vcap port classification */
bool sparx5_vcap_is_known_etype(struct vcap_admin *admin, u16 etype)
{
const u16 *known_etypes;
int size, idx;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
known_etypes = sparx5_vcap_is0_known_etypes;
size = ARRAY_SIZE(sparx5_vcap_is0_known_etypes);
break;
case VCAP_TYPE_IS2:
known_etypes = sparx5_vcap_is2_known_etypes;
size = ARRAY_SIZE(sparx5_vcap_is2_known_etypes);
break;
case VCAP_TYPE_ES0:
return true;
case VCAP_TYPE_ES2:
known_etypes = sparx5_vcap_es2_known_etypes;
size = ARRAY_SIZE(sparx5_vcap_es2_known_etypes);
break;
default:
return false;
}
for (idx = 0; idx < size; ++idx)
if (known_etypes[idx] == etype)
return true;
return false;
}
/* API callback used for validating a field keyset (check the port keysets) */
static enum vcap_keyfield_set
sparx5_vcap_validate_keyset(struct net_device *ndev,
struct vcap_admin *admin,
struct vcap_rule *rule,
struct vcap_keyset_list *kslist,
u16 l3_proto)
{
struct vcap_keyset_list keysetlist = {};
enum vcap_keyfield_set keysets[10] = {};
struct sparx5_port *port;
int idx, jdx, lookup;
if (!kslist || kslist->cnt == 0)
return VCAP_KFS_NO_VALUE;
keysetlist.max = ARRAY_SIZE(keysets);
keysetlist.keysets = keysets;
/* Get a list of currently configured keysets in the lookups */
switch (admin->vtype) {
case VCAP_TYPE_IS0:
lookup = sparx5_vcap_is0_cid_to_lookup(rule->vcap_chain_id);
sparx5_vcap_is0_get_port_keysets(ndev, lookup, &keysetlist,
l3_proto);
break;
case VCAP_TYPE_IS2:
lookup = sparx5_vcap_is2_cid_to_lookup(rule->vcap_chain_id);
sparx5_vcap_is2_get_port_keysets(ndev, lookup, &keysetlist,
l3_proto);
break;
case VCAP_TYPE_ES0:
sparx5_vcap_es0_get_port_keysets(ndev, &keysetlist, l3_proto);
break;
case VCAP_TYPE_ES2:
lookup = sparx5_vcap_es2_cid_to_lookup(rule->vcap_chain_id);
sparx5_vcap_es2_get_port_keysets(ndev, lookup, &keysetlist,
l3_proto);
break;
default:
port = netdev_priv(ndev);
sparx5_vcap_type_err(port->sparx5, admin, __func__);
break;
}
/* Check if there is a match and return the match */
for (idx = 0; idx < kslist->cnt; ++idx)
for (jdx = 0; jdx < keysetlist.cnt; ++jdx)
if (kslist->keysets[idx] == keysets[jdx])
return kslist->keysets[idx];
pr_err("%s:%d: %s not supported in port key selection\n",
__func__, __LINE__,
sparx5_vcap_keyset_name(ndev, kslist->keysets[0]));
return -ENOENT;
}
static void sparx5_vcap_ingress_add_default_fields(struct net_device *ndev,
struct vcap_admin *admin,
struct vcap_rule *rule)
{
const struct vcap_field *field;
bool is_first;
/* Add ingress port mask matching the net device */
field = vcap_lookup_keyfield(rule, VCAP_KF_IF_IGR_PORT_MASK);
if (field && field->width == SPX5_PORTS)
sparx5_vcap_add_wide_port_mask(rule, ndev);
else if (field && field->width == BITS_PER_TYPE(u32))
sparx5_vcap_add_ingress_range_port_mask(rule, ndev);
else
pr_err("%s:%d: %s: could not add an ingress port mask for: %s\n",
__func__, __LINE__, netdev_name(ndev),
sparx5_vcap_keyset_name(ndev, rule->keyset));
if (admin->vtype == VCAP_TYPE_IS0)
is_first = sparx5_vcap_is0_is_first_chain(rule);
else
is_first = sparx5_vcap_is2_is_first_chain(rule);
/* Add key that selects the first/second lookup */
if (is_first)
vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS,
VCAP_BIT_1);
else
vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS,
VCAP_BIT_0);
}
static void sparx5_vcap_es0_add_default_fields(struct net_device *ndev,
struct vcap_admin *admin,
struct vcap_rule *rule)
{
struct sparx5_port *port = netdev_priv(ndev);
vcap_rule_add_key_u32(rule, VCAP_KF_IF_EGR_PORT_NO, port->portno, ~0);
/* Match untagged frames if there was no VLAN key */
vcap_rule_add_key_u32(rule, VCAP_KF_8021Q_TPID, SPX5_TPID_SEL_UNTAGGED,
~0);
}
static void sparx5_vcap_es2_add_default_fields(struct net_device *ndev,
struct vcap_admin *admin,
struct vcap_rule *rule)
{
const struct vcap_field *field;
bool is_first;
/* Add egress port mask matching the net device */
field = vcap_lookup_keyfield(rule, VCAP_KF_IF_EGR_PORT_MASK);
if (field)
sparx5_vcap_add_egress_range_port_mask(rule, ndev);
/* Add key that selects the first/second lookup */
is_first = sparx5_vcap_es2_is_first_chain(rule);
if (is_first)
vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS,
VCAP_BIT_1);
else
vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS,
VCAP_BIT_0);
}
/* API callback used for adding default fields to a rule */
static void sparx5_vcap_add_default_fields(struct net_device *ndev,
struct vcap_admin *admin,
struct vcap_rule *rule)
{
struct sparx5_port *port;
/* add the lookup bit */
switch (admin->vtype) {
case VCAP_TYPE_IS0:
case VCAP_TYPE_IS2:
sparx5_vcap_ingress_add_default_fields(ndev, admin, rule);
break;
case VCAP_TYPE_ES0:
sparx5_vcap_es0_add_default_fields(ndev, admin, rule);
break;
case VCAP_TYPE_ES2:
sparx5_vcap_es2_add_default_fields(ndev, admin, rule);
break;
default:
port = netdev_priv(ndev);
sparx5_vcap_type_err(port->sparx5, admin, __func__);
break;
}
}
/* API callback used for erasing the vcap cache area (not the register area) */
static void sparx5_vcap_cache_erase(struct vcap_admin *admin)
{
memset(admin->cache.keystream, 0, STREAMSIZE);
memset(admin->cache.maskstream, 0, STREAMSIZE);
memset(admin->cache.actionstream, 0, STREAMSIZE);
memset(&admin->cache.counter, 0, sizeof(admin->cache.counter));
}
static void sparx5_vcap_is0_cache_write(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
switch (sel) {
case VCAP_SEL_ENTRY:
for (idx = 0; idx < count; ++idx) {
/* Avoid 'match-off' by setting value & mask */
spx5_wr(keystr[idx] & mskstr[idx], sparx5,
VCAP_SUPER_VCAP_ENTRY_DAT(idx));
spx5_wr(~mskstr[idx], sparx5,
VCAP_SUPER_VCAP_MASK_DAT(idx));
}
break;
case VCAP_SEL_ACTION:
for (idx = 0; idx < count; ++idx)
spx5_wr(actstr[idx], sparx5,
VCAP_SUPER_VCAP_ACTION_DAT(idx));
break;
case VCAP_SEL_ALL:
pr_err("%s:%d: cannot write all streams at once\n",
__func__, __LINE__);
break;
default:
break;
}
if (sel & VCAP_SEL_COUNTER)
spx5_wr(admin->cache.counter, sparx5,
VCAP_SUPER_VCAP_CNT_DAT(0));
}
static void sparx5_vcap_is2_cache_write(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
switch (sel) {
case VCAP_SEL_ENTRY:
for (idx = 0; idx < count; ++idx) {
/* Avoid 'match-off' by setting value & mask */
spx5_wr(keystr[idx] & mskstr[idx], sparx5,
VCAP_SUPER_VCAP_ENTRY_DAT(idx));
spx5_wr(~mskstr[idx], sparx5,
VCAP_SUPER_VCAP_MASK_DAT(idx));
}
break;
case VCAP_SEL_ACTION:
for (idx = 0; idx < count; ++idx)
spx5_wr(actstr[idx], sparx5,
VCAP_SUPER_VCAP_ACTION_DAT(idx));
break;
case VCAP_SEL_ALL:
pr_err("%s:%d: cannot write all streams at once\n",
__func__, __LINE__);
break;
default:
break;
}
if (sel & VCAP_SEL_COUNTER) {
start = start & 0xfff; /* counter limit */
if (admin->vinst == 0)
spx5_wr(admin->cache.counter, sparx5,
ANA_ACL_CNT_A(start));
else
spx5_wr(admin->cache.counter, sparx5,
ANA_ACL_CNT_B(start));
spx5_wr(admin->cache.sticky, sparx5,
VCAP_SUPER_VCAP_CNT_DAT(0));
}
}
/* Use ESDX counters located in the XQS */
static void sparx5_es0_write_esdx_counter(struct sparx5 *sparx5,
struct vcap_admin *admin, u32 id)
{
mutex_lock(&sparx5->queue_stats_lock);
spx5_wr(XQS_STAT_CFG_STAT_VIEW_SET(id), sparx5, XQS_STAT_CFG);
spx5_wr(admin->cache.counter, sparx5,
XQS_CNT(SPARX5_STAT_ESDX_GRN_PKTS));
spx5_wr(0, sparx5, XQS_CNT(SPARX5_STAT_ESDX_YEL_PKTS));
mutex_unlock(&sparx5->queue_stats_lock);
}
static void sparx5_vcap_es0_cache_write(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
switch (sel) {
case VCAP_SEL_ENTRY:
for (idx = 0; idx < count; ++idx) {
/* Avoid 'match-off' by setting value & mask */
spx5_wr(keystr[idx] & mskstr[idx], sparx5,
VCAP_ES0_VCAP_ENTRY_DAT(idx));
spx5_wr(~mskstr[idx], sparx5,
VCAP_ES0_VCAP_MASK_DAT(idx));
}
break;
case VCAP_SEL_ACTION:
for (idx = 0; idx < count; ++idx)
spx5_wr(actstr[idx], sparx5,
VCAP_ES0_VCAP_ACTION_DAT(idx));
break;
case VCAP_SEL_ALL:
pr_err("%s:%d: cannot write all streams at once\n",
__func__, __LINE__);
break;
default:
break;
}
if (sel & VCAP_SEL_COUNTER) {
spx5_wr(admin->cache.counter, sparx5, VCAP_ES0_VCAP_CNT_DAT(0));
sparx5_es0_write_esdx_counter(sparx5, admin, start);
}
}
static void sparx5_vcap_es2_cache_write(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
switch (sel) {
case VCAP_SEL_ENTRY:
for (idx = 0; idx < count; ++idx) {
/* Avoid 'match-off' by setting value & mask */
spx5_wr(keystr[idx] & mskstr[idx], sparx5,
VCAP_ES2_VCAP_ENTRY_DAT(idx));
spx5_wr(~mskstr[idx], sparx5,
VCAP_ES2_VCAP_MASK_DAT(idx));
}
break;
case VCAP_SEL_ACTION:
for (idx = 0; idx < count; ++idx)
spx5_wr(actstr[idx], sparx5,
VCAP_ES2_VCAP_ACTION_DAT(idx));
break;
case VCAP_SEL_ALL:
pr_err("%s:%d: cannot write all streams at once\n",
__func__, __LINE__);
break;
default:
break;
}
if (sel & VCAP_SEL_COUNTER) {
start = start & 0x7ff; /* counter limit */
spx5_wr(admin->cache.counter, sparx5, EACL_ES2_CNT(start));
spx5_wr(admin->cache.sticky, sparx5, VCAP_ES2_VCAP_CNT_DAT(0));
}
}
/* API callback used for writing to the VCAP cache */
static void sparx5_vcap_cache_write(struct net_device *ndev,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
sparx5_vcap_is0_cache_write(sparx5, admin, sel, start, count);
break;
case VCAP_TYPE_IS2:
sparx5_vcap_is2_cache_write(sparx5, admin, sel, start, count);
break;
case VCAP_TYPE_ES0:
sparx5_vcap_es0_cache_write(sparx5, admin, sel, start, count);
break;
case VCAP_TYPE_ES2:
sparx5_vcap_es2_cache_write(sparx5, admin, sel, start, count);
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
static void sparx5_vcap_is0_cache_read(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
if (sel & VCAP_SEL_ENTRY) {
for (idx = 0; idx < count; ++idx) {
keystr[idx] = spx5_rd(sparx5,
VCAP_SUPER_VCAP_ENTRY_DAT(idx));
mskstr[idx] = ~spx5_rd(sparx5,
VCAP_SUPER_VCAP_MASK_DAT(idx));
}
}
if (sel & VCAP_SEL_ACTION)
for (idx = 0; idx < count; ++idx)
actstr[idx] = spx5_rd(sparx5,
VCAP_SUPER_VCAP_ACTION_DAT(idx));
if (sel & VCAP_SEL_COUNTER) {
admin->cache.counter =
spx5_rd(sparx5, VCAP_SUPER_VCAP_CNT_DAT(0));
admin->cache.sticky =
spx5_rd(sparx5, VCAP_SUPER_VCAP_CNT_DAT(0));
}
}
static void sparx5_vcap_is2_cache_read(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
if (sel & VCAP_SEL_ENTRY) {
for (idx = 0; idx < count; ++idx) {
keystr[idx] = spx5_rd(sparx5,
VCAP_SUPER_VCAP_ENTRY_DAT(idx));
mskstr[idx] = ~spx5_rd(sparx5,
VCAP_SUPER_VCAP_MASK_DAT(idx));
}
}
if (sel & VCAP_SEL_ACTION)
for (idx = 0; idx < count; ++idx)
actstr[idx] = spx5_rd(sparx5,
VCAP_SUPER_VCAP_ACTION_DAT(idx));
if (sel & VCAP_SEL_COUNTER) {
start = start & 0xfff; /* counter limit */
if (admin->vinst == 0)
admin->cache.counter =
spx5_rd(sparx5, ANA_ACL_CNT_A(start));
else
admin->cache.counter =
spx5_rd(sparx5, ANA_ACL_CNT_B(start));
admin->cache.sticky =
spx5_rd(sparx5, VCAP_SUPER_VCAP_CNT_DAT(0));
}
}
/* Use ESDX counters located in the XQS */
static void sparx5_es0_read_esdx_counter(struct sparx5 *sparx5,
struct vcap_admin *admin, u32 id)
{
u32 counter;
mutex_lock(&sparx5->queue_stats_lock);
spx5_wr(XQS_STAT_CFG_STAT_VIEW_SET(id), sparx5, XQS_STAT_CFG);
counter = spx5_rd(sparx5, XQS_CNT(SPARX5_STAT_ESDX_GRN_PKTS)) +
spx5_rd(sparx5, XQS_CNT(SPARX5_STAT_ESDX_YEL_PKTS));
mutex_unlock(&sparx5->queue_stats_lock);
if (counter)
admin->cache.counter = counter;
}
static void sparx5_vcap_es0_cache_read(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
if (sel & VCAP_SEL_ENTRY) {
for (idx = 0; idx < count; ++idx) {
keystr[idx] =
spx5_rd(sparx5, VCAP_ES0_VCAP_ENTRY_DAT(idx));
mskstr[idx] =
~spx5_rd(sparx5, VCAP_ES0_VCAP_MASK_DAT(idx));
}
}
if (sel & VCAP_SEL_ACTION)
for (idx = 0; idx < count; ++idx)
actstr[idx] =
spx5_rd(sparx5, VCAP_ES0_VCAP_ACTION_DAT(idx));
if (sel & VCAP_SEL_COUNTER) {
admin->cache.counter =
spx5_rd(sparx5, VCAP_ES0_VCAP_CNT_DAT(0));
admin->cache.sticky = admin->cache.counter;
sparx5_es0_read_esdx_counter(sparx5, admin, start);
}
}
static void sparx5_vcap_es2_cache_read(struct sparx5 *sparx5,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
u32 *keystr, *mskstr, *actstr;
int idx;
keystr = &admin->cache.keystream[start];
mskstr = &admin->cache.maskstream[start];
actstr = &admin->cache.actionstream[start];
if (sel & VCAP_SEL_ENTRY) {
for (idx = 0; idx < count; ++idx) {
keystr[idx] =
spx5_rd(sparx5, VCAP_ES2_VCAP_ENTRY_DAT(idx));
mskstr[idx] =
~spx5_rd(sparx5, VCAP_ES2_VCAP_MASK_DAT(idx));
}
}
if (sel & VCAP_SEL_ACTION)
for (idx = 0; idx < count; ++idx)
actstr[idx] =
spx5_rd(sparx5, VCAP_ES2_VCAP_ACTION_DAT(idx));
if (sel & VCAP_SEL_COUNTER) {
start = start & 0x7ff; /* counter limit */
admin->cache.counter =
spx5_rd(sparx5, EACL_ES2_CNT(start));
admin->cache.sticky =
spx5_rd(sparx5, VCAP_ES2_VCAP_CNT_DAT(0));
}
}
/* API callback used for reading from the VCAP into the VCAP cache */
static void sparx5_vcap_cache_read(struct net_device *ndev,
struct vcap_admin *admin,
enum vcap_selection sel,
u32 start,
u32 count)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
sparx5_vcap_is0_cache_read(sparx5, admin, sel, start, count);
break;
case VCAP_TYPE_IS2:
sparx5_vcap_is2_cache_read(sparx5, admin, sel, start, count);
break;
case VCAP_TYPE_ES0:
sparx5_vcap_es0_cache_read(sparx5, admin, sel, start, count);
break;
case VCAP_TYPE_ES2:
sparx5_vcap_es2_cache_read(sparx5, admin, sel, start, count);
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
/* API callback used for initializing a VCAP address range */
static void sparx5_vcap_range_init(struct net_device *ndev,
struct vcap_admin *admin, u32 addr,
u32 count)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
_sparx5_vcap_range_init(sparx5, admin, addr, count);
}
static void sparx5_vcap_super_update(struct sparx5 *sparx5,
enum vcap_command cmd,
enum vcap_selection sel, u32 addr)
{
bool clear = (cmd == VCAP_CMD_INITIALIZE);
spx5_wr(VCAP_SUPER_CFG_MV_NUM_POS_SET(0) |
VCAP_SUPER_CFG_MV_SIZE_SET(0), sparx5, VCAP_SUPER_CFG);
spx5_wr(VCAP_SUPER_CTRL_UPDATE_CMD_SET(cmd) |
VCAP_SUPER_CTRL_UPDATE_ENTRY_DIS_SET((VCAP_SEL_ENTRY & sel) == 0) |
VCAP_SUPER_CTRL_UPDATE_ACTION_DIS_SET((VCAP_SEL_ACTION & sel) == 0) |
VCAP_SUPER_CTRL_UPDATE_CNT_DIS_SET((VCAP_SEL_COUNTER & sel) == 0) |
VCAP_SUPER_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_SUPER_CTRL_CLEAR_CACHE_SET(clear) |
VCAP_SUPER_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_SUPER_CTRL);
sparx5_vcap_wait_super_update(sparx5);
}
static void sparx5_vcap_es0_update(struct sparx5 *sparx5,
enum vcap_command cmd,
enum vcap_selection sel, u32 addr)
{
bool clear = (cmd == VCAP_CMD_INITIALIZE);
spx5_wr(VCAP_ES0_CFG_MV_NUM_POS_SET(0) |
VCAP_ES0_CFG_MV_SIZE_SET(0), sparx5, VCAP_ES0_CFG);
spx5_wr(VCAP_ES0_CTRL_UPDATE_CMD_SET(cmd) |
VCAP_ES0_CTRL_UPDATE_ENTRY_DIS_SET((VCAP_SEL_ENTRY & sel) == 0) |
VCAP_ES0_CTRL_UPDATE_ACTION_DIS_SET((VCAP_SEL_ACTION & sel) == 0) |
VCAP_ES0_CTRL_UPDATE_CNT_DIS_SET((VCAP_SEL_COUNTER & sel) == 0) |
VCAP_ES0_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_ES0_CTRL_CLEAR_CACHE_SET(clear) |
VCAP_ES0_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_ES0_CTRL);
sparx5_vcap_wait_es0_update(sparx5);
}
static void sparx5_vcap_es2_update(struct sparx5 *sparx5,
enum vcap_command cmd,
enum vcap_selection sel, u32 addr)
{
bool clear = (cmd == VCAP_CMD_INITIALIZE);
spx5_wr(VCAP_ES2_CFG_MV_NUM_POS_SET(0) |
VCAP_ES2_CFG_MV_SIZE_SET(0), sparx5, VCAP_ES2_CFG);
spx5_wr(VCAP_ES2_CTRL_UPDATE_CMD_SET(cmd) |
VCAP_ES2_CTRL_UPDATE_ENTRY_DIS_SET((VCAP_SEL_ENTRY & sel) == 0) |
VCAP_ES2_CTRL_UPDATE_ACTION_DIS_SET((VCAP_SEL_ACTION & sel) == 0) |
VCAP_ES2_CTRL_UPDATE_CNT_DIS_SET((VCAP_SEL_COUNTER & sel) == 0) |
VCAP_ES2_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_ES2_CTRL_CLEAR_CACHE_SET(clear) |
VCAP_ES2_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_ES2_CTRL);
sparx5_vcap_wait_es2_update(sparx5);
}
/* API callback used for updating the VCAP cache */
static void sparx5_vcap_update(struct net_device *ndev,
struct vcap_admin *admin, enum vcap_command cmd,
enum vcap_selection sel, u32 addr)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
case VCAP_TYPE_IS2:
sparx5_vcap_super_update(sparx5, cmd, sel, addr);
break;
case VCAP_TYPE_ES0:
sparx5_vcap_es0_update(sparx5, cmd, sel, addr);
break;
case VCAP_TYPE_ES2:
sparx5_vcap_es2_update(sparx5, cmd, sel, addr);
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
static void sparx5_vcap_super_move(struct sparx5 *sparx5,
u32 addr,
enum vcap_command cmd,
u16 mv_num_pos,
u16 mv_size)
{
spx5_wr(VCAP_SUPER_CFG_MV_NUM_POS_SET(mv_num_pos) |
VCAP_SUPER_CFG_MV_SIZE_SET(mv_size),
sparx5, VCAP_SUPER_CFG);
spx5_wr(VCAP_SUPER_CTRL_UPDATE_CMD_SET(cmd) |
VCAP_SUPER_CTRL_UPDATE_ENTRY_DIS_SET(0) |
VCAP_SUPER_CTRL_UPDATE_ACTION_DIS_SET(0) |
VCAP_SUPER_CTRL_UPDATE_CNT_DIS_SET(0) |
VCAP_SUPER_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_SUPER_CTRL_CLEAR_CACHE_SET(false) |
VCAP_SUPER_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_SUPER_CTRL);
sparx5_vcap_wait_super_update(sparx5);
}
static void sparx5_vcap_es0_move(struct sparx5 *sparx5,
u32 addr,
enum vcap_command cmd,
u16 mv_num_pos,
u16 mv_size)
{
spx5_wr(VCAP_ES0_CFG_MV_NUM_POS_SET(mv_num_pos) |
VCAP_ES0_CFG_MV_SIZE_SET(mv_size),
sparx5, VCAP_ES0_CFG);
spx5_wr(VCAP_ES0_CTRL_UPDATE_CMD_SET(cmd) |
VCAP_ES0_CTRL_UPDATE_ENTRY_DIS_SET(0) |
VCAP_ES0_CTRL_UPDATE_ACTION_DIS_SET(0) |
VCAP_ES0_CTRL_UPDATE_CNT_DIS_SET(0) |
VCAP_ES0_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_ES0_CTRL_CLEAR_CACHE_SET(false) |
VCAP_ES0_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_ES0_CTRL);
sparx5_vcap_wait_es0_update(sparx5);
}
static void sparx5_vcap_es2_move(struct sparx5 *sparx5,
u32 addr,
enum vcap_command cmd,
u16 mv_num_pos,
u16 mv_size)
{
spx5_wr(VCAP_ES2_CFG_MV_NUM_POS_SET(mv_num_pos) |
VCAP_ES2_CFG_MV_SIZE_SET(mv_size),
sparx5, VCAP_ES2_CFG);
spx5_wr(VCAP_ES2_CTRL_UPDATE_CMD_SET(cmd) |
VCAP_ES2_CTRL_UPDATE_ENTRY_DIS_SET(0) |
VCAP_ES2_CTRL_UPDATE_ACTION_DIS_SET(0) |
VCAP_ES2_CTRL_UPDATE_CNT_DIS_SET(0) |
VCAP_ES2_CTRL_UPDATE_ADDR_SET(addr) |
VCAP_ES2_CTRL_CLEAR_CACHE_SET(false) |
VCAP_ES2_CTRL_UPDATE_SHOT_SET(true),
sparx5, VCAP_ES2_CTRL);
sparx5_vcap_wait_es2_update(sparx5);
}
/* API callback used for moving a block of rules in the VCAP */
static void sparx5_vcap_move(struct net_device *ndev, struct vcap_admin *admin,
u32 addr, int offset, int count)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
enum vcap_command cmd;
u16 mv_num_pos;
u16 mv_size;
mv_size = count - 1;
if (offset > 0) {
mv_num_pos = offset - 1;
cmd = VCAP_CMD_MOVE_DOWN;
} else {
mv_num_pos = -offset - 1;
cmd = VCAP_CMD_MOVE_UP;
}
switch (admin->vtype) {
case VCAP_TYPE_IS0:
case VCAP_TYPE_IS2:
sparx5_vcap_super_move(sparx5, addr, cmd, mv_num_pos, mv_size);
break;
case VCAP_TYPE_ES0:
sparx5_vcap_es0_move(sparx5, addr, cmd, mv_num_pos, mv_size);
break;
case VCAP_TYPE_ES2:
sparx5_vcap_es2_move(sparx5, addr, cmd, mv_num_pos, mv_size);
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
static const struct vcap_operations sparx5_vcap_ops = {
.validate_keyset = sparx5_vcap_validate_keyset,
.add_default_fields = sparx5_vcap_add_default_fields,
.cache_erase = sparx5_vcap_cache_erase,
.cache_write = sparx5_vcap_cache_write,
.cache_read = sparx5_vcap_cache_read,
.init = sparx5_vcap_range_init,
.update = sparx5_vcap_update,
.move = sparx5_vcap_move,
.port_info = sparx5_port_info,
};
static u32 sparx5_vcap_is0_keyset_to_etype_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_NORMAL_7TUPLE:
return VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE;
case VCAP_KFS_NORMAL_5TUPLE_IP4:
return VCAP_IS0_PS_ETYPE_NORMAL_5TUPLE_IP4;
default:
return VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE;
}
}
static void sparx5_vcap_is0_set_port_keyset(struct net_device *ndev, int lookup,
enum vcap_keyfield_set keyset,
int l3_proto)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
int portno = port->portno;
u32 value;
switch (l3_proto) {
case ETH_P_IP:
value = sparx5_vcap_is0_keyset_to_etype_ps(keyset);
spx5_rmw(ANA_CL_ADV_CL_CFG_IP4_CLM_KEY_SEL_SET(value),
ANA_CL_ADV_CL_CFG_IP4_CLM_KEY_SEL,
sparx5,
ANA_CL_ADV_CL_CFG(portno, lookup));
break;
case ETH_P_IPV6:
value = sparx5_vcap_is0_keyset_to_etype_ps(keyset);
spx5_rmw(ANA_CL_ADV_CL_CFG_IP6_CLM_KEY_SEL_SET(value),
ANA_CL_ADV_CL_CFG_IP6_CLM_KEY_SEL,
sparx5,
ANA_CL_ADV_CL_CFG(portno, lookup));
break;
default:
value = sparx5_vcap_is0_keyset_to_etype_ps(keyset);
spx5_rmw(ANA_CL_ADV_CL_CFG_ETYPE_CLM_KEY_SEL_SET(value),
ANA_CL_ADV_CL_CFG_ETYPE_CLM_KEY_SEL,
sparx5,
ANA_CL_ADV_CL_CFG(portno, lookup));
break;
}
}
static u32 sparx5_vcap_is2_keyset_to_arp_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_ARP:
return VCAP_IS2_PS_ARP_ARP;
default:
return VCAP_IS2_PS_ARP_MAC_ETYPE;
}
}
static u32 sparx5_vcap_is2_keyset_to_ipv4_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_MAC_ETYPE:
return VCAP_IS2_PS_IPV4_UC_MAC_ETYPE;
case VCAP_KFS_IP4_OTHER:
case VCAP_KFS_IP4_TCP_UDP:
return VCAP_IS2_PS_IPV4_UC_IP4_TCP_UDP_OTHER;
case VCAP_KFS_IP_7TUPLE:
return VCAP_IS2_PS_IPV4_UC_IP_7TUPLE;
default:
return VCAP_KFS_NO_VALUE;
}
}
static u32 sparx5_vcap_is2_keyset_to_ipv6_uc_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_MAC_ETYPE:
return VCAP_IS2_PS_IPV6_UC_MAC_ETYPE;
case VCAP_KFS_IP4_OTHER:
case VCAP_KFS_IP4_TCP_UDP:
return VCAP_IS2_PS_IPV6_UC_IP4_TCP_UDP_OTHER;
case VCAP_KFS_IP_7TUPLE:
return VCAP_IS2_PS_IPV6_UC_IP_7TUPLE;
default:
return VCAP_KFS_NO_VALUE;
}
}
static u32 sparx5_vcap_is2_keyset_to_ipv6_mc_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_MAC_ETYPE:
return VCAP_IS2_PS_IPV6_MC_MAC_ETYPE;
case VCAP_KFS_IP4_OTHER:
case VCAP_KFS_IP4_TCP_UDP:
return VCAP_IS2_PS_IPV6_MC_IP4_TCP_UDP_OTHER;
case VCAP_KFS_IP_7TUPLE:
return VCAP_IS2_PS_IPV6_MC_IP_7TUPLE;
default:
return VCAP_KFS_NO_VALUE;
}
}
static void sparx5_vcap_is2_set_port_keyset(struct net_device *ndev, int lookup,
enum vcap_keyfield_set keyset,
int l3_proto)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
int portno = port->portno;
u32 value;
switch (l3_proto) {
case ETH_P_ARP:
value = sparx5_vcap_is2_keyset_to_arp_ps(keyset);
spx5_rmw(ANA_ACL_VCAP_S2_KEY_SEL_ARP_KEY_SEL_SET(value),
ANA_ACL_VCAP_S2_KEY_SEL_ARP_KEY_SEL,
sparx5,
ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
break;
case ETH_P_IP:
value = sparx5_vcap_is2_keyset_to_ipv4_ps(keyset);
spx5_rmw(ANA_ACL_VCAP_S2_KEY_SEL_IP4_UC_KEY_SEL_SET(value),
ANA_ACL_VCAP_S2_KEY_SEL_IP4_UC_KEY_SEL,
sparx5,
ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
spx5_rmw(ANA_ACL_VCAP_S2_KEY_SEL_IP4_MC_KEY_SEL_SET(value),
ANA_ACL_VCAP_S2_KEY_SEL_IP4_MC_KEY_SEL,
sparx5,
ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
break;
case ETH_P_IPV6:
value = sparx5_vcap_is2_keyset_to_ipv6_uc_ps(keyset);
spx5_rmw(ANA_ACL_VCAP_S2_KEY_SEL_IP6_UC_KEY_SEL_SET(value),
ANA_ACL_VCAP_S2_KEY_SEL_IP6_UC_KEY_SEL,
sparx5,
ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
value = sparx5_vcap_is2_keyset_to_ipv6_mc_ps(keyset);
spx5_rmw(ANA_ACL_VCAP_S2_KEY_SEL_IP6_MC_KEY_SEL_SET(value),
ANA_ACL_VCAP_S2_KEY_SEL_IP6_MC_KEY_SEL,
sparx5,
ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
break;
default:
value = VCAP_IS2_PS_NONETH_MAC_ETYPE;
spx5_rmw(ANA_ACL_VCAP_S2_KEY_SEL_NON_ETH_KEY_SEL_SET(value),
ANA_ACL_VCAP_S2_KEY_SEL_NON_ETH_KEY_SEL,
sparx5,
ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
break;
}
}
static u32 sparx5_vcap_es2_keyset_to_arp_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_ARP:
return VCAP_ES2_PS_ARP_ARP;
default:
return VCAP_ES2_PS_ARP_MAC_ETYPE;
}
}
static u32 sparx5_vcap_es2_keyset_to_ipv4_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_MAC_ETYPE:
return VCAP_ES2_PS_IPV4_MAC_ETYPE;
case VCAP_KFS_IP_7TUPLE:
return VCAP_ES2_PS_IPV4_IP_7TUPLE;
case VCAP_KFS_IP4_TCP_UDP:
return VCAP_ES2_PS_IPV4_IP4_TCP_UDP_OTHER;
case VCAP_KFS_IP4_OTHER:
return VCAP_ES2_PS_IPV4_IP4_OTHER;
default:
return VCAP_ES2_PS_IPV4_MAC_ETYPE;
}
}
static u32 sparx5_vcap_es2_keyset_to_ipv6_ps(enum vcap_keyfield_set keyset)
{
switch (keyset) {
case VCAP_KFS_MAC_ETYPE:
return VCAP_ES2_PS_IPV6_MAC_ETYPE;
case VCAP_KFS_IP4_TCP_UDP:
case VCAP_KFS_IP4_OTHER:
return VCAP_ES2_PS_IPV6_IP4_DOWNGRADE;
case VCAP_KFS_IP_7TUPLE:
return VCAP_ES2_PS_IPV6_IP_7TUPLE;
case VCAP_KFS_IP6_STD:
return VCAP_ES2_PS_IPV6_IP6_STD;
default:
return VCAP_ES2_PS_IPV6_MAC_ETYPE;
}
}
static void sparx5_vcap_es2_set_port_keyset(struct net_device *ndev, int lookup,
enum vcap_keyfield_set keyset,
int l3_proto)
{
struct sparx5_port *port = netdev_priv(ndev);
struct sparx5 *sparx5 = port->sparx5;
int portno = port->portno;
u32 value;
switch (l3_proto) {
case ETH_P_IP:
value = sparx5_vcap_es2_keyset_to_ipv4_ps(keyset);
spx5_rmw(EACL_VCAP_ES2_KEY_SEL_IP4_KEY_SEL_SET(value),
EACL_VCAP_ES2_KEY_SEL_IP4_KEY_SEL,
sparx5,
EACL_VCAP_ES2_KEY_SEL(portno, lookup));
break;
case ETH_P_IPV6:
value = sparx5_vcap_es2_keyset_to_ipv6_ps(keyset);
spx5_rmw(EACL_VCAP_ES2_KEY_SEL_IP6_KEY_SEL_SET(value),
EACL_VCAP_ES2_KEY_SEL_IP6_KEY_SEL,
sparx5,
EACL_VCAP_ES2_KEY_SEL(portno, lookup));
break;
case ETH_P_ARP:
value = sparx5_vcap_es2_keyset_to_arp_ps(keyset);
spx5_rmw(EACL_VCAP_ES2_KEY_SEL_ARP_KEY_SEL_SET(value),
EACL_VCAP_ES2_KEY_SEL_ARP_KEY_SEL,
sparx5,
EACL_VCAP_ES2_KEY_SEL(portno, lookup));
break;
}
}
/* Change the port keyset for the lookup and protocol */
void sparx5_vcap_set_port_keyset(struct net_device *ndev,
struct vcap_admin *admin,
int cid,
u16 l3_proto,
enum vcap_keyfield_set keyset,
struct vcap_keyset_list *orig)
{
struct sparx5_port *port;
int lookup;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
lookup = sparx5_vcap_is0_cid_to_lookup(cid);
if (orig)
sparx5_vcap_is0_get_port_keysets(ndev, lookup, orig,
l3_proto);
sparx5_vcap_is0_set_port_keyset(ndev, lookup, keyset, l3_proto);
break;
case VCAP_TYPE_IS2:
lookup = sparx5_vcap_is2_cid_to_lookup(cid);
if (orig)
sparx5_vcap_is2_get_port_keysets(ndev, lookup, orig,
l3_proto);
sparx5_vcap_is2_set_port_keyset(ndev, lookup, keyset, l3_proto);
break;
case VCAP_TYPE_ES0:
break;
case VCAP_TYPE_ES2:
lookup = sparx5_vcap_es2_cid_to_lookup(cid);
if (orig)
sparx5_vcap_es2_get_port_keysets(ndev, lookup, orig,
l3_proto);
sparx5_vcap_es2_set_port_keyset(ndev, lookup, keyset, l3_proto);
break;
default:
port = netdev_priv(ndev);
sparx5_vcap_type_err(port->sparx5, admin, __func__);
break;
}
}
/* Enable IS0 lookups per port and set the keyset generation */
static void sparx5_vcap_is0_port_key_selection(struct sparx5 *sparx5,
struct vcap_admin *admin)
{
int portno, lookup;
u32 keysel;
keysel = VCAP_IS0_KEYSEL(false,
VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE,
VCAP_IS0_PS_ETYPE_NORMAL_5TUPLE_IP4,
VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE,
VCAP_IS0_PS_MPLS_FOLLOW_ETYPE,
VCAP_IS0_PS_MPLS_FOLLOW_ETYPE,
VCAP_IS0_PS_MLBS_FOLLOW_ETYPE);
for (lookup = 0; lookup < admin->lookups; ++lookup) {
for (portno = 0; portno < SPX5_PORTS; ++portno) {
spx5_wr(keysel, sparx5,
ANA_CL_ADV_CL_CFG(portno, lookup));
spx5_rmw(ANA_CL_ADV_CL_CFG_LOOKUP_ENA,
ANA_CL_ADV_CL_CFG_LOOKUP_ENA,
sparx5,
ANA_CL_ADV_CL_CFG(portno, lookup));
}
}
}
/* Enable IS2 lookups per port and set the keyset generation */
static void sparx5_vcap_is2_port_key_selection(struct sparx5 *sparx5,
struct vcap_admin *admin)
{
int portno, lookup;
u32 keysel;
keysel = VCAP_IS2_KEYSEL(true, VCAP_IS2_PS_NONETH_MAC_ETYPE,
VCAP_IS2_PS_IPV4_MC_IP4_TCP_UDP_OTHER,
VCAP_IS2_PS_IPV4_UC_IP4_TCP_UDP_OTHER,
VCAP_IS2_PS_IPV6_MC_IP_7TUPLE,
VCAP_IS2_PS_IPV6_UC_IP_7TUPLE,
VCAP_IS2_PS_ARP_ARP);
for (lookup = 0; lookup < admin->lookups; ++lookup) {
for (portno = 0; portno < SPX5_PORTS; ++portno) {
spx5_wr(keysel, sparx5,
ANA_ACL_VCAP_S2_KEY_SEL(portno, lookup));
}
}
/* IS2 lookups are in bit 0:3 */
for (portno = 0; portno < SPX5_PORTS; ++portno)
spx5_rmw(ANA_ACL_VCAP_S2_CFG_SEC_ENA_SET(0xf),
ANA_ACL_VCAP_S2_CFG_SEC_ENA,
sparx5,
ANA_ACL_VCAP_S2_CFG(portno));
}
/* Enable ES0 lookups per port and set the keyset generation */
static void sparx5_vcap_es0_port_key_selection(struct sparx5 *sparx5,
struct vcap_admin *admin)
{
int portno;
u32 keysel;
keysel = VCAP_ES0_KEYSEL(VCAP_ES0_PS_FORCE_ISDX_LOOKUPS);
for (portno = 0; portno < SPX5_PORTS; ++portno)
spx5_rmw(keysel, REW_RTAG_ETAG_CTRL_ES0_ISDX_KEY_ENA,
sparx5, REW_RTAG_ETAG_CTRL(portno));
spx5_rmw(REW_ES0_CTRL_ES0_LU_ENA_SET(1), REW_ES0_CTRL_ES0_LU_ENA,
sparx5, REW_ES0_CTRL);
}
/* Enable ES2 lookups per port and set the keyset generation */
static void sparx5_vcap_es2_port_key_selection(struct sparx5 *sparx5,
struct vcap_admin *admin)
{
int portno, lookup;
u32 keysel;
keysel = VCAP_ES2_KEYSEL(true, VCAP_ES2_PS_ARP_MAC_ETYPE,
VCAP_ES2_PS_IPV4_IP4_TCP_UDP_OTHER,
VCAP_ES2_PS_IPV6_IP_7TUPLE);
for (lookup = 0; lookup < admin->lookups; ++lookup)
for (portno = 0; portno < SPX5_PORTS; ++portno)
spx5_wr(keysel, sparx5,
EACL_VCAP_ES2_KEY_SEL(portno, lookup));
}
/* Enable lookups per port and set the keyset generation */
static void sparx5_vcap_port_key_selection(struct sparx5 *sparx5,
struct vcap_admin *admin)
{
switch (admin->vtype) {
case VCAP_TYPE_IS0:
sparx5_vcap_is0_port_key_selection(sparx5, admin);
break;
case VCAP_TYPE_IS2:
sparx5_vcap_is2_port_key_selection(sparx5, admin);
break;
case VCAP_TYPE_ES0:
sparx5_vcap_es0_port_key_selection(sparx5, admin);
break;
case VCAP_TYPE_ES2:
sparx5_vcap_es2_port_key_selection(sparx5, admin);
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
/* Disable lookups per port */
static void sparx5_vcap_port_key_deselection(struct sparx5 *sparx5,
struct vcap_admin *admin)
{
int portno, lookup;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
for (lookup = 0; lookup < admin->lookups; ++lookup)
for (portno = 0; portno < SPX5_PORTS; ++portno)
spx5_rmw(ANA_CL_ADV_CL_CFG_LOOKUP_ENA_SET(0),
ANA_CL_ADV_CL_CFG_LOOKUP_ENA,
sparx5,
ANA_CL_ADV_CL_CFG(portno, lookup));
break;
case VCAP_TYPE_IS2:
for (portno = 0; portno < SPX5_PORTS; ++portno)
spx5_rmw(ANA_ACL_VCAP_S2_CFG_SEC_ENA_SET(0),
ANA_ACL_VCAP_S2_CFG_SEC_ENA,
sparx5,
ANA_ACL_VCAP_S2_CFG(portno));
break;
case VCAP_TYPE_ES0:
spx5_rmw(REW_ES0_CTRL_ES0_LU_ENA_SET(0),
REW_ES0_CTRL_ES0_LU_ENA, sparx5, REW_ES0_CTRL);
break;
case VCAP_TYPE_ES2:
for (lookup = 0; lookup < admin->lookups; ++lookup)
for (portno = 0; portno < SPX5_PORTS; ++portno)
spx5_rmw(EACL_VCAP_ES2_KEY_SEL_KEY_ENA_SET(0),
EACL_VCAP_ES2_KEY_SEL_KEY_ENA,
sparx5,
EACL_VCAP_ES2_KEY_SEL(portno, lookup));
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
static void sparx5_vcap_admin_free(struct vcap_admin *admin)
{
if (!admin)
return;
mutex_destroy(&admin->lock);
kfree(admin->cache.keystream);
kfree(admin->cache.maskstream);
kfree(admin->cache.actionstream);
kfree(admin);
}
/* Allocate a vcap instance with a rule list and a cache area */
static struct vcap_admin *
sparx5_vcap_admin_alloc(struct sparx5 *sparx5, struct vcap_control *ctrl,
const struct sparx5_vcap_inst *cfg)
{
struct vcap_admin *admin;
admin = kzalloc(sizeof(*admin), GFP_KERNEL);
if (!admin)
return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&admin->list);
INIT_LIST_HEAD(&admin->rules);
INIT_LIST_HEAD(&admin->enabled);
mutex_init(&admin->lock);
admin->vtype = cfg->vtype;
admin->vinst = cfg->vinst;
admin->ingress = cfg->ingress;
admin->lookups = cfg->lookups;
admin->lookups_per_instance = cfg->lookups_per_instance;
admin->first_cid = cfg->first_cid;
admin->last_cid = cfg->last_cid;
admin->cache.keystream =
kzalloc(STREAMSIZE, GFP_KERNEL);
admin->cache.maskstream =
kzalloc(STREAMSIZE, GFP_KERNEL);
admin->cache.actionstream =
kzalloc(STREAMSIZE, GFP_KERNEL);
if (!admin->cache.keystream || !admin->cache.maskstream ||
!admin->cache.actionstream) {
sparx5_vcap_admin_free(admin);
return ERR_PTR(-ENOMEM);
}
return admin;
}
/* Do block allocations and provide addresses for VCAP instances */
static void sparx5_vcap_block_alloc(struct sparx5 *sparx5,
struct vcap_admin *admin,
const struct sparx5_vcap_inst *cfg)
{
int idx, cores;
switch (admin->vtype) {
case VCAP_TYPE_IS0:
case VCAP_TYPE_IS2:
/* Super VCAP block mapping and address configuration. Block 0
* is assigned addresses 0 through 3071, block 1 is assigned
* addresses 3072 though 6143, and so on.
*/
for (idx = cfg->blockno; idx < cfg->blockno + cfg->blocks;
++idx) {
spx5_wr(VCAP_SUPER_IDX_CORE_IDX_SET(idx), sparx5,
VCAP_SUPER_IDX);
spx5_wr(VCAP_SUPER_MAP_CORE_MAP_SET(cfg->map_id),
sparx5, VCAP_SUPER_MAP);
}
admin->first_valid_addr = cfg->blockno * SUPER_VCAP_BLK_SIZE;
admin->last_used_addr = admin->first_valid_addr +
cfg->blocks * SUPER_VCAP_BLK_SIZE;
admin->last_valid_addr = admin->last_used_addr - 1;
break;
case VCAP_TYPE_ES0:
admin->first_valid_addr = 0;
admin->last_used_addr = cfg->count;
admin->last_valid_addr = cfg->count - 1;
cores = spx5_rd(sparx5, VCAP_ES0_CORE_CNT);
for (idx = 0; idx < cores; ++idx) {
spx5_wr(VCAP_ES0_IDX_CORE_IDX_SET(idx), sparx5,
VCAP_ES0_IDX);
spx5_wr(VCAP_ES0_MAP_CORE_MAP_SET(1), sparx5,
VCAP_ES0_MAP);
}
break;
case VCAP_TYPE_ES2:
admin->first_valid_addr = 0;
admin->last_used_addr = cfg->count;
admin->last_valid_addr = cfg->count - 1;
cores = spx5_rd(sparx5, VCAP_ES2_CORE_CNT);
for (idx = 0; idx < cores; ++idx) {
spx5_wr(VCAP_ES2_IDX_CORE_IDX_SET(idx), sparx5,
VCAP_ES2_IDX);
spx5_wr(VCAP_ES2_MAP_CORE_MAP_SET(1), sparx5,
VCAP_ES2_MAP);
}
break;
default:
sparx5_vcap_type_err(sparx5, admin, __func__);
break;
}
}
/* Allocate a vcap control and vcap instances and configure the system */
int sparx5_vcap_init(struct sparx5 *sparx5)
{
const struct sparx5_vcap_inst *cfg;
struct vcap_control *ctrl;
struct vcap_admin *admin;
struct dentry *dir;
int err = 0, idx;
/* Create a VCAP control instance that owns the platform specific VCAP
* model with VCAP instances and information about keysets, keys,
* actionsets and actions
* - Create administrative state for each available VCAP
* - Lists of rules
* - Address information
* - Initialize VCAP blocks
* - Configure port keysets
*/
ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
if (!ctrl)
return -ENOMEM;
sparx5->vcap_ctrl = ctrl;
/* select the sparx5 VCAP model */
ctrl->vcaps = sparx5_vcaps;
ctrl->stats = &sparx5_vcap_stats;
/* Setup callbacks to allow the API to use the VCAP HW */
ctrl->ops = &sparx5_vcap_ops;
INIT_LIST_HEAD(&ctrl->list);
for (idx = 0; idx < ARRAY_SIZE(sparx5_vcap_inst_cfg); ++idx) {
cfg = &sparx5_vcap_inst_cfg[idx];
admin = sparx5_vcap_admin_alloc(sparx5, ctrl, cfg);
if (IS_ERR(admin)) {
err = PTR_ERR(admin);
pr_err("%s:%d: vcap allocation failed: %d\n",
__func__, __LINE__, err);
return err;
}
sparx5_vcap_block_alloc(sparx5, admin, cfg);
sparx5_vcap_block_init(sparx5, admin);
if (cfg->vinst == 0)
sparx5_vcap_port_key_selection(sparx5, admin);
list_add_tail(&admin->list, &ctrl->list);
}
dir = vcap_debugfs(sparx5->dev, sparx5->debugfs_root, ctrl);
for (idx = 0; idx < SPX5_PORTS; ++idx)
if (sparx5->ports[idx])
vcap_port_debugfs(sparx5->dev, dir, ctrl,
sparx5->ports[idx]->ndev);
return err;
}
void sparx5_vcap_destroy(struct sparx5 *sparx5)
{
struct vcap_control *ctrl = sparx5->vcap_ctrl;
struct vcap_admin *admin, *admin_next;
if (!ctrl)
return;
list_for_each_entry_safe(admin, admin_next, &ctrl->list, list) {
sparx5_vcap_port_key_deselection(sparx5, admin);
vcap_del_rules(ctrl, admin);
list_del(&admin->list);
sparx5_vcap_admin_free(admin);
}
kfree(ctrl);
}
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