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linuxdebug/drivers/net/ethernet/marvell/prestera/prestera_hw.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2019-2020 Marvell International Ltd. All rights reserved */
#include <linux/etherdevice.h>
#include <linux/if_bridge.h>
#include <linux/ethtool.h>
#include <linux/list.h>
#include "prestera.h"
#include "prestera_hw.h"
#include "prestera_acl.h"
#include "prestera_counter.h"
#include "prestera_router_hw.h"
#define PRESTERA_SWITCH_INIT_TIMEOUT_MS (30 * 1000)
#define PRESTERA_MIN_MTU 64
#define PRESTERA_MSG_CHUNK_SIZE 1024
enum prestera_cmd_type_t {
PRESTERA_CMD_TYPE_SWITCH_INIT = 0x1,
PRESTERA_CMD_TYPE_SWITCH_ATTR_SET = 0x2,
PRESTERA_CMD_TYPE_PORT_ATTR_SET = 0x100,
PRESTERA_CMD_TYPE_PORT_ATTR_GET = 0x101,
PRESTERA_CMD_TYPE_PORT_INFO_GET = 0x110,
PRESTERA_CMD_TYPE_VLAN_CREATE = 0x200,
PRESTERA_CMD_TYPE_VLAN_DELETE = 0x201,
PRESTERA_CMD_TYPE_VLAN_PORT_SET = 0x202,
PRESTERA_CMD_TYPE_VLAN_PVID_SET = 0x203,
PRESTERA_CMD_TYPE_FDB_ADD = 0x300,
PRESTERA_CMD_TYPE_FDB_DELETE = 0x301,
PRESTERA_CMD_TYPE_FDB_FLUSH_PORT = 0x310,
PRESTERA_CMD_TYPE_FDB_FLUSH_VLAN = 0x311,
PRESTERA_CMD_TYPE_FDB_FLUSH_PORT_VLAN = 0x312,
PRESTERA_CMD_TYPE_BRIDGE_CREATE = 0x400,
PRESTERA_CMD_TYPE_BRIDGE_DELETE = 0x401,
PRESTERA_CMD_TYPE_BRIDGE_PORT_ADD = 0x402,
PRESTERA_CMD_TYPE_BRIDGE_PORT_DELETE = 0x403,
PRESTERA_CMD_TYPE_COUNTER_GET = 0x510,
PRESTERA_CMD_TYPE_COUNTER_ABORT = 0x511,
PRESTERA_CMD_TYPE_COUNTER_TRIGGER = 0x512,
PRESTERA_CMD_TYPE_COUNTER_BLOCK_GET = 0x513,
PRESTERA_CMD_TYPE_COUNTER_BLOCK_RELEASE = 0x514,
PRESTERA_CMD_TYPE_COUNTER_CLEAR = 0x515,
PRESTERA_CMD_TYPE_VTCAM_CREATE = 0x540,
PRESTERA_CMD_TYPE_VTCAM_DESTROY = 0x541,
PRESTERA_CMD_TYPE_VTCAM_RULE_ADD = 0x550,
PRESTERA_CMD_TYPE_VTCAM_RULE_DELETE = 0x551,
PRESTERA_CMD_TYPE_VTCAM_IFACE_BIND = 0x560,
PRESTERA_CMD_TYPE_VTCAM_IFACE_UNBIND = 0x561,
PRESTERA_CMD_TYPE_ROUTER_RIF_CREATE = 0x600,
PRESTERA_CMD_TYPE_ROUTER_RIF_DELETE = 0x601,
PRESTERA_CMD_TYPE_ROUTER_LPM_ADD = 0x610,
PRESTERA_CMD_TYPE_ROUTER_LPM_DELETE = 0x611,
PRESTERA_CMD_TYPE_ROUTER_NH_GRP_SET = 0x622,
PRESTERA_CMD_TYPE_ROUTER_NH_GRP_BLK_GET = 0x645,
PRESTERA_CMD_TYPE_ROUTER_NH_GRP_ADD = 0x623,
PRESTERA_CMD_TYPE_ROUTER_NH_GRP_DELETE = 0x624,
PRESTERA_CMD_TYPE_ROUTER_VR_CREATE = 0x630,
PRESTERA_CMD_TYPE_ROUTER_VR_DELETE = 0x631,
PRESTERA_CMD_TYPE_FLOOD_DOMAIN_CREATE = 0x700,
PRESTERA_CMD_TYPE_FLOOD_DOMAIN_DESTROY = 0x701,
PRESTERA_CMD_TYPE_FLOOD_DOMAIN_PORTS_SET = 0x702,
PRESTERA_CMD_TYPE_FLOOD_DOMAIN_PORTS_RESET = 0x703,
PRESTERA_CMD_TYPE_MDB_CREATE = 0x704,
PRESTERA_CMD_TYPE_MDB_DESTROY = 0x705,
PRESTERA_CMD_TYPE_RXTX_INIT = 0x800,
PRESTERA_CMD_TYPE_LAG_MEMBER_ADD = 0x900,
PRESTERA_CMD_TYPE_LAG_MEMBER_DELETE = 0x901,
PRESTERA_CMD_TYPE_LAG_MEMBER_ENABLE = 0x902,
PRESTERA_CMD_TYPE_LAG_MEMBER_DISABLE = 0x903,
PRESTERA_CMD_TYPE_STP_PORT_SET = 0x1000,
PRESTERA_CMD_TYPE_SPAN_GET = 0x1100,
PRESTERA_CMD_TYPE_SPAN_INGRESS_BIND = 0x1101,
PRESTERA_CMD_TYPE_SPAN_INGRESS_UNBIND = 0x1102,
PRESTERA_CMD_TYPE_SPAN_RELEASE = 0x1103,
PRESTERA_CMD_TYPE_SPAN_EGRESS_BIND = 0x1104,
PRESTERA_CMD_TYPE_SPAN_EGRESS_UNBIND = 0x1105,
PRESTERA_CMD_TYPE_POLICER_CREATE = 0x1500,
PRESTERA_CMD_TYPE_POLICER_RELEASE = 0x1501,
PRESTERA_CMD_TYPE_POLICER_SET = 0x1502,
PRESTERA_CMD_TYPE_CPU_CODE_COUNTERS_GET = 0x2000,
PRESTERA_CMD_TYPE_ACK = 0x10000,
PRESTERA_CMD_TYPE_MAX
};
enum {
PRESTERA_CMD_PORT_ATTR_ADMIN_STATE = 1,
PRESTERA_CMD_PORT_ATTR_MTU = 3,
PRESTERA_CMD_PORT_ATTR_MAC = 4,
PRESTERA_CMD_PORT_ATTR_SPEED = 5,
PRESTERA_CMD_PORT_ATTR_ACCEPT_FRAME_TYPE = 6,
PRESTERA_CMD_PORT_ATTR_LEARNING = 7,
PRESTERA_CMD_PORT_ATTR_FLOOD = 8,
PRESTERA_CMD_PORT_ATTR_CAPABILITY = 9,
PRESTERA_CMD_PORT_ATTR_LOCKED = 10,
PRESTERA_CMD_PORT_ATTR_PHY_MODE = 12,
PRESTERA_CMD_PORT_ATTR_TYPE = 13,
PRESTERA_CMD_PORT_ATTR_STATS = 17,
PRESTERA_CMD_PORT_ATTR_MAC_AUTONEG_RESTART = 18,
PRESTERA_CMD_PORT_ATTR_PHY_AUTONEG_RESTART = 19,
PRESTERA_CMD_PORT_ATTR_MAC_MODE = 22,
};
enum {
PRESTERA_CMD_SWITCH_ATTR_MAC = 1,
PRESTERA_CMD_SWITCH_ATTR_AGEING = 2,
};
enum {
PRESTERA_CMD_ACK_OK,
PRESTERA_CMD_ACK_FAILED,
PRESTERA_CMD_ACK_MAX
};
enum {
PRESTERA_PORT_TP_NA,
PRESTERA_PORT_TP_MDI,
PRESTERA_PORT_TP_MDIX,
PRESTERA_PORT_TP_AUTO,
};
enum {
PRESTERA_PORT_FLOOD_TYPE_UC = 0,
PRESTERA_PORT_FLOOD_TYPE_MC = 1,
};
enum {
PRESTERA_PORT_GOOD_OCTETS_RCV_CNT,
PRESTERA_PORT_BAD_OCTETS_RCV_CNT,
PRESTERA_PORT_MAC_TRANSMIT_ERR_CNT,
PRESTERA_PORT_BRDC_PKTS_RCV_CNT,
PRESTERA_PORT_MC_PKTS_RCV_CNT,
PRESTERA_PORT_PKTS_64L_CNT,
PRESTERA_PORT_PKTS_65TO127L_CNT,
PRESTERA_PORT_PKTS_128TO255L_CNT,
PRESTERA_PORT_PKTS_256TO511L_CNT,
PRESTERA_PORT_PKTS_512TO1023L_CNT,
PRESTERA_PORT_PKTS_1024TOMAXL_CNT,
PRESTERA_PORT_EXCESSIVE_COLLISIONS_CNT,
PRESTERA_PORT_MC_PKTS_SENT_CNT,
PRESTERA_PORT_BRDC_PKTS_SENT_CNT,
PRESTERA_PORT_FC_SENT_CNT,
PRESTERA_PORT_GOOD_FC_RCV_CNT,
PRESTERA_PORT_DROP_EVENTS_CNT,
PRESTERA_PORT_UNDERSIZE_PKTS_CNT,
PRESTERA_PORT_FRAGMENTS_PKTS_CNT,
PRESTERA_PORT_OVERSIZE_PKTS_CNT,
PRESTERA_PORT_JABBER_PKTS_CNT,
PRESTERA_PORT_MAC_RCV_ERROR_CNT,
PRESTERA_PORT_BAD_CRC_CNT,
PRESTERA_PORT_COLLISIONS_CNT,
PRESTERA_PORT_LATE_COLLISIONS_CNT,
PRESTERA_PORT_GOOD_UC_PKTS_RCV_CNT,
PRESTERA_PORT_GOOD_UC_PKTS_SENT_CNT,
PRESTERA_PORT_MULTIPLE_PKTS_SENT_CNT,
PRESTERA_PORT_DEFERRED_PKTS_SENT_CNT,
PRESTERA_PORT_GOOD_OCTETS_SENT_CNT,
PRESTERA_PORT_CNT_MAX
};
enum {
PRESTERA_FC_NONE,
PRESTERA_FC_SYMMETRIC,
PRESTERA_FC_ASYMMETRIC,
PRESTERA_FC_SYMM_ASYMM,
};
enum {
PRESTERA_POLICER_MODE_SR_TCM
};
enum {
PRESTERA_HW_FDB_ENTRY_TYPE_REG_PORT = 0,
PRESTERA_HW_FDB_ENTRY_TYPE_LAG = 1,
PRESTERA_HW_FDB_ENTRY_TYPE_MAX = 2,
};
struct prestera_fw_event_handler {
struct list_head list;
struct rcu_head rcu;
enum prestera_event_type type;
prestera_event_cb_t func;
void *arg;
};
enum {
PRESTERA_HW_FLOOD_DOMAIN_PORT_TYPE_REG_PORT = 0,
PRESTERA_HW_FLOOD_DOMAIN_PORT_TYPE_LAG = 1,
PRESTERA_HW_FLOOD_DOMAIN_PORT_TYPE_MAX = 2,
};
struct prestera_msg_cmd {
__le32 type;
};
struct prestera_msg_ret {
struct prestera_msg_cmd cmd;
__le32 status;
};
struct prestera_msg_common_req {
struct prestera_msg_cmd cmd;
};
struct prestera_msg_common_resp {
struct prestera_msg_ret ret;
};
struct prestera_msg_switch_attr_req {
struct prestera_msg_cmd cmd;
__le32 attr;
union {
__le32 ageing_timeout_ms;
struct {
u8 mac[ETH_ALEN];
u8 __pad[2];
};
} param;
};
struct prestera_msg_switch_init_resp {
struct prestera_msg_ret ret;
__le32 port_count;
__le32 mtu_max;
__le32 size_tbl_router_nexthop;
u8 switch_id;
u8 lag_max;
u8 lag_member_max;
};
struct prestera_msg_event_port_param {
union {
struct {
__le32 mode;
__le32 speed;
u8 oper;
u8 duplex;
u8 fc;
u8 fec;
} mac;
struct {
__le64 lmode_bmap;
u8 mdix;
u8 fc;
u8 __pad[2];
} __packed phy; /* make sure always 12 bytes size */
};
};
struct prestera_msg_port_cap_param {
__le64 link_mode;
u8 type;
u8 fec;
u8 fc;
u8 transceiver;
};
struct prestera_msg_port_flood_param {
u8 type;
u8 enable;
u8 __pad[2];
};
union prestera_msg_port_param {
__le32 mtu;
__le32 speed;
__le32 link_mode;
u8 admin_state;
u8 oper_state;
u8 mac[ETH_ALEN];
u8 accept_frm_type;
u8 learning;
u8 flood;
u8 type;
u8 duplex;
u8 fec;
u8 fc;
u8 br_locked;
union {
struct {
u8 admin;
u8 fc;
u8 ap_enable;
u8 __reserved[5];
union {
struct {
__le32 mode;
__le32 speed;
u8 inband;
u8 duplex;
u8 fec;
u8 fec_supp;
} reg_mode;
struct {
__le32 mode;
__le32 speed;
u8 fec;
u8 fec_supp;
u8 __pad[2];
} ap_modes[PRESTERA_AP_PORT_MAX];
};
} mac;
struct {
__le64 modes;
__le32 mode;
u8 admin;
u8 adv_enable;
u8 mdix;
u8 __pad;
} phy;
} link;
struct prestera_msg_port_cap_param cap;
struct prestera_msg_port_flood_param flood_ext;
struct prestera_msg_event_port_param link_evt;
};
struct prestera_msg_port_attr_req {
struct prestera_msg_cmd cmd;
__le32 attr;
__le32 port;
__le32 dev;
union prestera_msg_port_param param;
};
struct prestera_msg_port_attr_resp {
struct prestera_msg_ret ret;
union prestera_msg_port_param param;
};
struct prestera_msg_port_stats_resp {
struct prestera_msg_ret ret;
__le64 stats[PRESTERA_PORT_CNT_MAX];
};
struct prestera_msg_port_info_req {
struct prestera_msg_cmd cmd;
__le32 port;
};
struct prestera_msg_port_info_resp {
struct prestera_msg_ret ret;
__le32 hw_id;
__le32 dev_id;
__le16 fp_id;
u8 pad[2];
};
struct prestera_msg_vlan_req {
struct prestera_msg_cmd cmd;
__le32 port;
__le32 dev;
__le16 vid;
u8 is_member;
u8 is_tagged;
};
struct prestera_msg_fdb_req {
struct prestera_msg_cmd cmd;
__le32 flush_mode;
union {
struct {
__le32 port;
__le32 dev;
};
__le16 lag_id;
} dest;
__le16 vid;
u8 dest_type;
u8 dynamic;
u8 mac[ETH_ALEN];
u8 __pad[2];
};
struct prestera_msg_bridge_req {
struct prestera_msg_cmd cmd;
__le32 port;
__le32 dev;
__le16 bridge;
u8 pad[2];
};
struct prestera_msg_bridge_resp {
struct prestera_msg_ret ret;
__le16 bridge;
u8 pad[2];
};
struct prestera_msg_vtcam_create_req {
struct prestera_msg_cmd cmd;
__le32 keymask[__PRESTERA_ACL_RULE_MATCH_TYPE_MAX];
u8 direction;
u8 lookup;
u8 pad[2];
};
struct prestera_msg_vtcam_destroy_req {
struct prestera_msg_cmd cmd;
__le32 vtcam_id;
};
struct prestera_msg_vtcam_rule_add_req {
struct prestera_msg_cmd cmd;
__le32 key[__PRESTERA_ACL_RULE_MATCH_TYPE_MAX];
__le32 keymask[__PRESTERA_ACL_RULE_MATCH_TYPE_MAX];
__le32 vtcam_id;
__le32 prio;
__le32 n_act;
};
struct prestera_msg_vtcam_rule_del_req {
struct prestera_msg_cmd cmd;
__le32 vtcam_id;
__le32 id;
};
struct prestera_msg_vtcam_bind_req {
struct prestera_msg_cmd cmd;
union {
struct {
__le32 hw_id;
__le32 dev_id;
} port;
__le32 index;
};
__le32 vtcam_id;
__le16 pcl_id;
__le16 type;
};
struct prestera_msg_vtcam_resp {
struct prestera_msg_ret ret;
__le32 vtcam_id;
__le32 rule_id;
};
struct prestera_msg_acl_action {
__le32 id;
__le32 __reserved;
union {
struct {
__le32 index;
} jump;
struct {
__le32 id;
} police;
struct {
__le32 id;
} count;
__le32 reserved[6];
};
};
struct prestera_msg_counter_req {
struct prestera_msg_cmd cmd;
__le32 client;
__le32 block_id;
__le32 num_counters;
};
struct prestera_msg_counter_stats {
__le64 packets;
__le64 bytes;
};
struct prestera_msg_counter_resp {
struct prestera_msg_ret ret;
__le32 block_id;
__le32 offset;
__le32 num_counters;
__le32 done;
struct prestera_msg_counter_stats stats[];
};
struct prestera_msg_span_req {
struct prestera_msg_cmd cmd;
__le32 port;
__le32 dev;
u8 id;
u8 pad[3];
};
struct prestera_msg_span_resp {
struct prestera_msg_ret ret;
u8 id;
u8 pad[3];
};
struct prestera_msg_stp_req {
struct prestera_msg_cmd cmd;
__le32 port;
__le32 dev;
__le16 vid;
u8 state;
u8 __pad;
};
struct prestera_msg_rxtx_req {
struct prestera_msg_cmd cmd;
u8 use_sdma;
u8 pad[3];
};
struct prestera_msg_rxtx_resp {
struct prestera_msg_ret ret;
__le32 map_addr;
};
struct prestera_msg_iface {
union {
struct {
__le32 dev;
__le32 port;
};
__le16 lag_id;
};
__le16 vr_id;
__le16 vid;
u8 type;
u8 __pad[3];
};
struct prestera_msg_ip_addr {
union {
__be32 ipv4;
__be32 ipv6[4];
} u;
u8 v; /* e.g. PRESTERA_IPV4 */
u8 __pad[3];
};
struct prestera_msg_nh {
struct prestera_msg_iface oif;
__le32 hw_id;
u8 mac[ETH_ALEN];
u8 is_active;
u8 pad;
};
struct prestera_msg_rif_req {
struct prestera_msg_cmd cmd;
struct prestera_msg_iface iif;
__le32 mtu;
__le16 rif_id;
__le16 __reserved;
u8 mac[ETH_ALEN];
u8 __pad[2];
};
struct prestera_msg_rif_resp {
struct prestera_msg_ret ret;
__le16 rif_id;
u8 __pad[2];
};
struct prestera_msg_lpm_req {
struct prestera_msg_cmd cmd;
struct prestera_msg_ip_addr dst;
__le32 grp_id;
__le32 dst_len;
__le16 vr_id;
u8 __pad[2];
};
struct prestera_msg_nh_req {
struct prestera_msg_cmd cmd;
struct prestera_msg_nh nh[PRESTERA_NHGR_SIZE_MAX];
__le32 size;
__le32 grp_id;
};
struct prestera_msg_nh_chunk_req {
struct prestera_msg_cmd cmd;
__le32 offset;
};
struct prestera_msg_nh_chunk_resp {
struct prestera_msg_ret ret;
u8 hw_state[PRESTERA_MSG_CHUNK_SIZE];
};
struct prestera_msg_nh_grp_req {
struct prestera_msg_cmd cmd;
__le32 grp_id;
__le32 size;
};
struct prestera_msg_nh_grp_resp {
struct prestera_msg_ret ret;
__le32 grp_id;
};
struct prestera_msg_vr_req {
struct prestera_msg_cmd cmd;
__le16 vr_id;
u8 __pad[2];
};
struct prestera_msg_vr_resp {
struct prestera_msg_ret ret;
__le16 vr_id;
u8 __pad[2];
};
struct prestera_msg_lag_req {
struct prestera_msg_cmd cmd;
__le32 port;
__le32 dev;
__le16 lag_id;
u8 pad[2];
};
struct prestera_msg_cpu_code_counter_req {
struct prestera_msg_cmd cmd;
u8 counter_type;
u8 code;
u8 pad[2];
};
struct mvsw_msg_cpu_code_counter_ret {
struct prestera_msg_ret ret;
__le64 packet_count;
};
struct prestera_msg_policer_req {
struct prestera_msg_cmd cmd;
__le32 id;
union {
struct {
__le64 cir;
__le32 cbs;
} __packed sr_tcm; /* make sure always 12 bytes size */
__le32 reserved[6];
};
u8 mode;
u8 type;
u8 pad[2];
};
struct prestera_msg_policer_resp {
struct prestera_msg_ret ret;
__le32 id;
};
struct prestera_msg_event {
__le16 type;
__le16 id;
};
struct prestera_msg_event_port {
struct prestera_msg_event id;
__le32 port_id;
struct prestera_msg_event_port_param param;
};
union prestera_msg_event_fdb_param {
u8 mac[ETH_ALEN];
};
struct prestera_msg_event_fdb {
struct prestera_msg_event id;
__le32 vid;
union {
__le32 port_id;
__le16 lag_id;
} dest;
union prestera_msg_event_fdb_param param;
u8 dest_type;
};
struct prestera_msg_flood_domain_create_req {
struct prestera_msg_cmd cmd;
};
struct prestera_msg_flood_domain_create_resp {
struct prestera_msg_ret ret;
__le32 flood_domain_idx;
};
struct prestera_msg_flood_domain_destroy_req {
struct prestera_msg_cmd cmd;
__le32 flood_domain_idx;
};
struct prestera_msg_flood_domain_ports_set_req {
struct prestera_msg_cmd cmd;
__le32 flood_domain_idx;
__le32 ports_num;
};
struct prestera_msg_flood_domain_ports_reset_req {
struct prestera_msg_cmd cmd;
__le32 flood_domain_idx;
};
struct prestera_msg_flood_domain_port {
union {
struct {
__le32 port_num;
__le32 dev_num;
};
__le16 lag_id;
};
__le16 vid;
__le16 port_type;
};
struct prestera_msg_mdb_create_req {
struct prestera_msg_cmd cmd;
__le32 flood_domain_idx;
__le16 vid;
u8 mac[ETH_ALEN];
};
struct prestera_msg_mdb_destroy_req {
struct prestera_msg_cmd cmd;
__le32 flood_domain_idx;
__le16 vid;
u8 mac[ETH_ALEN];
};
static void prestera_hw_build_tests(void)
{
/* check requests */
BUILD_BUG_ON(sizeof(struct prestera_msg_common_req) != 4);
BUILD_BUG_ON(sizeof(struct prestera_msg_switch_attr_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_port_attr_req) != 144);
BUILD_BUG_ON(sizeof(struct prestera_msg_port_info_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_vlan_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_fdb_req) != 28);
BUILD_BUG_ON(sizeof(struct prestera_msg_bridge_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_span_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_stp_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_rxtx_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_lag_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_cpu_code_counter_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_vtcam_create_req) != 84);
BUILD_BUG_ON(sizeof(struct prestera_msg_vtcam_destroy_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_vtcam_rule_add_req) != 168);
BUILD_BUG_ON(sizeof(struct prestera_msg_vtcam_rule_del_req) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_vtcam_bind_req) != 20);
BUILD_BUG_ON(sizeof(struct prestera_msg_acl_action) != 32);
BUILD_BUG_ON(sizeof(struct prestera_msg_counter_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_counter_stats) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_rif_req) != 36);
BUILD_BUG_ON(sizeof(struct prestera_msg_vr_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_lpm_req) != 36);
BUILD_BUG_ON(sizeof(struct prestera_msg_policer_req) != 36);
BUILD_BUG_ON(sizeof(struct prestera_msg_flood_domain_create_req) != 4);
BUILD_BUG_ON(sizeof(struct prestera_msg_flood_domain_destroy_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_flood_domain_ports_set_req) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_flood_domain_ports_reset_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_mdb_create_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_mdb_destroy_req) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_nh_req) != 124);
BUILD_BUG_ON(sizeof(struct prestera_msg_nh_chunk_req) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_nh_grp_req) != 12);
/* structure that are part of req/resp fw messages */
BUILD_BUG_ON(sizeof(struct prestera_msg_iface) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_ip_addr) != 20);
BUILD_BUG_ON(sizeof(struct prestera_msg_flood_domain_port) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_nh) != 28);
/* check responses */
BUILD_BUG_ON(sizeof(struct prestera_msg_common_resp) != 8);
BUILD_BUG_ON(sizeof(struct prestera_msg_switch_init_resp) != 24);
BUILD_BUG_ON(sizeof(struct prestera_msg_port_attr_resp) != 136);
BUILD_BUG_ON(sizeof(struct prestera_msg_port_stats_resp) != 248);
BUILD_BUG_ON(sizeof(struct prestera_msg_port_info_resp) != 20);
BUILD_BUG_ON(sizeof(struct prestera_msg_bridge_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_span_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_rxtx_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_vtcam_resp) != 16);
BUILD_BUG_ON(sizeof(struct prestera_msg_counter_resp) != 24);
BUILD_BUG_ON(sizeof(struct prestera_msg_rif_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_vr_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_policer_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_flood_domain_create_resp) != 12);
BUILD_BUG_ON(sizeof(struct prestera_msg_nh_chunk_resp) != 1032);
BUILD_BUG_ON(sizeof(struct prestera_msg_nh_grp_resp) != 12);
/* check events */
BUILD_BUG_ON(sizeof(struct prestera_msg_event_port) != 20);
BUILD_BUG_ON(sizeof(struct prestera_msg_event_fdb) != 20);
}
static u8 prestera_hw_mdix_to_eth(u8 mode);
static void prestera_hw_remote_fc_to_eth(u8 fc, bool *pause, bool *asym_pause);
static int __prestera_cmd_ret(struct prestera_switch *sw,
enum prestera_cmd_type_t type,
struct prestera_msg_cmd *cmd, size_t clen,
struct prestera_msg_ret *ret, size_t rlen,
int waitms)
{
struct prestera_device *dev = sw->dev;
int err;
cmd->type = __cpu_to_le32(type);
err = dev->send_req(dev, 0, cmd, clen, ret, rlen, waitms);
if (err)
return err;
if (ret->cmd.type != __cpu_to_le32(PRESTERA_CMD_TYPE_ACK))
return -EBADE;
if (ret->status != __cpu_to_le32(PRESTERA_CMD_ACK_OK))
return -EINVAL;
return 0;
}
static int prestera_cmd_ret(struct prestera_switch *sw,
enum prestera_cmd_type_t type,
struct prestera_msg_cmd *cmd, size_t clen,
struct prestera_msg_ret *ret, size_t rlen)
{
return __prestera_cmd_ret(sw, type, cmd, clen, ret, rlen, 0);
}
static int prestera_cmd_ret_wait(struct prestera_switch *sw,
enum prestera_cmd_type_t type,
struct prestera_msg_cmd *cmd, size_t clen,
struct prestera_msg_ret *ret, size_t rlen,
int waitms)
{
return __prestera_cmd_ret(sw, type, cmd, clen, ret, rlen, waitms);
}
static int prestera_cmd(struct prestera_switch *sw,
enum prestera_cmd_type_t type,
struct prestera_msg_cmd *cmd, size_t clen)
{
struct prestera_msg_common_resp resp;
return prestera_cmd_ret(sw, type, cmd, clen, &resp.ret, sizeof(resp));
}
static int prestera_fw_parse_port_evt(void *msg, struct prestera_event *evt)
{
struct prestera_msg_event_port *hw_evt;
hw_evt = (struct prestera_msg_event_port *)msg;
evt->port_evt.port_id = __le32_to_cpu(hw_evt->port_id);
if (evt->id == PRESTERA_PORT_EVENT_MAC_STATE_CHANGED) {
evt->port_evt.data.mac.oper = hw_evt->param.mac.oper;
evt->port_evt.data.mac.mode =
__le32_to_cpu(hw_evt->param.mac.mode);
evt->port_evt.data.mac.speed =
__le32_to_cpu(hw_evt->param.mac.speed);
evt->port_evt.data.mac.duplex = hw_evt->param.mac.duplex;
evt->port_evt.data.mac.fc = hw_evt->param.mac.fc;
evt->port_evt.data.mac.fec = hw_evt->param.mac.fec;
} else {
return -EINVAL;
}
return 0;
}
static int prestera_fw_parse_fdb_evt(void *msg, struct prestera_event *evt)
{
struct prestera_msg_event_fdb *hw_evt = msg;
switch (hw_evt->dest_type) {
case PRESTERA_HW_FDB_ENTRY_TYPE_REG_PORT:
evt->fdb_evt.type = PRESTERA_FDB_ENTRY_TYPE_REG_PORT;
evt->fdb_evt.dest.port_id = __le32_to_cpu(hw_evt->dest.port_id);
break;
case PRESTERA_HW_FDB_ENTRY_TYPE_LAG:
evt->fdb_evt.type = PRESTERA_FDB_ENTRY_TYPE_LAG;
evt->fdb_evt.dest.lag_id = __le16_to_cpu(hw_evt->dest.lag_id);
break;
default:
return -EINVAL;
}
evt->fdb_evt.vid = __le32_to_cpu(hw_evt->vid);
ether_addr_copy(evt->fdb_evt.data.mac, hw_evt->param.mac);
return 0;
}
static struct prestera_fw_evt_parser {
int (*func)(void *msg, struct prestera_event *evt);
} fw_event_parsers[PRESTERA_EVENT_TYPE_MAX] = {
[PRESTERA_EVENT_TYPE_PORT] = { .func = prestera_fw_parse_port_evt },
[PRESTERA_EVENT_TYPE_FDB] = { .func = prestera_fw_parse_fdb_evt },
};
static struct prestera_fw_event_handler *
__find_event_handler(const struct prestera_switch *sw,
enum prestera_event_type type)
{
struct prestera_fw_event_handler *eh;
list_for_each_entry_rcu(eh, &sw->event_handlers, list) {
if (eh->type == type)
return eh;
}
return NULL;
}
static int prestera_find_event_handler(const struct prestera_switch *sw,
enum prestera_event_type type,
struct prestera_fw_event_handler *eh)
{
struct prestera_fw_event_handler *tmp;
int err = 0;
rcu_read_lock();
tmp = __find_event_handler(sw, type);
if (tmp)
*eh = *tmp;
else
err = -ENOENT;
rcu_read_unlock();
return err;
}
static int prestera_evt_recv(struct prestera_device *dev, void *buf, size_t size)
{
struct prestera_switch *sw = dev->priv;
struct prestera_msg_event *msg = buf;
struct prestera_fw_event_handler eh;
struct prestera_event evt;
u16 msg_type;
int err;
msg_type = __le16_to_cpu(msg->type);
if (msg_type >= PRESTERA_EVENT_TYPE_MAX)
return -EINVAL;
if (!fw_event_parsers[msg_type].func)
return -ENOENT;
err = prestera_find_event_handler(sw, msg_type, &eh);
if (err)
return err;
evt.id = __le16_to_cpu(msg->id);
err = fw_event_parsers[msg_type].func(buf, &evt);
if (err)
return err;
eh.func(sw, &evt, eh.arg);
return 0;
}
static void prestera_pkt_recv(struct prestera_device *dev)
{
struct prestera_switch *sw = dev->priv;
struct prestera_fw_event_handler eh;
struct prestera_event ev;
int err;
ev.id = PRESTERA_RXTX_EVENT_RCV_PKT;
err = prestera_find_event_handler(sw, PRESTERA_EVENT_TYPE_RXTX, &eh);
if (err)
return;
eh.func(sw, &ev, eh.arg);
}
static u8 prestera_hw_mdix_to_eth(u8 mode)
{
switch (mode) {
case PRESTERA_PORT_TP_MDI:
return ETH_TP_MDI;
case PRESTERA_PORT_TP_MDIX:
return ETH_TP_MDI_X;
case PRESTERA_PORT_TP_AUTO:
return ETH_TP_MDI_AUTO;
default:
return ETH_TP_MDI_INVALID;
}
}
static u8 prestera_hw_mdix_from_eth(u8 mode)
{
switch (mode) {
case ETH_TP_MDI:
return PRESTERA_PORT_TP_MDI;
case ETH_TP_MDI_X:
return PRESTERA_PORT_TP_MDIX;
case ETH_TP_MDI_AUTO:
return PRESTERA_PORT_TP_AUTO;
default:
return PRESTERA_PORT_TP_NA;
}
}
int prestera_hw_port_info_get(const struct prestera_port *port,
u32 *dev_id, u32 *hw_id, u16 *fp_id)
{
struct prestera_msg_port_info_req req = {
.port = __cpu_to_le32(port->id),
};
struct prestera_msg_port_info_resp resp;
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_PORT_INFO_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*dev_id = __le32_to_cpu(resp.dev_id);
*hw_id = __le32_to_cpu(resp.hw_id);
*fp_id = __le16_to_cpu(resp.fp_id);
return 0;
}
int prestera_hw_switch_mac_set(struct prestera_switch *sw, const char *mac)
{
struct prestera_msg_switch_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_SWITCH_ATTR_MAC),
};
ether_addr_copy(req.param.mac, mac);
return prestera_cmd(sw, PRESTERA_CMD_TYPE_SWITCH_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_switch_init(struct prestera_switch *sw)
{
struct prestera_msg_switch_init_resp resp;
struct prestera_msg_common_req req;
int err;
INIT_LIST_HEAD(&sw->event_handlers);
prestera_hw_build_tests();
err = prestera_cmd_ret_wait(sw, PRESTERA_CMD_TYPE_SWITCH_INIT,
&req.cmd, sizeof(req),
&resp.ret, sizeof(resp),
PRESTERA_SWITCH_INIT_TIMEOUT_MS);
if (err)
return err;
sw->dev->recv_msg = prestera_evt_recv;
sw->dev->recv_pkt = prestera_pkt_recv;
sw->port_count = __le32_to_cpu(resp.port_count);
sw->mtu_min = PRESTERA_MIN_MTU;
sw->mtu_max = __le32_to_cpu(resp.mtu_max);
sw->id = resp.switch_id;
sw->lag_member_max = resp.lag_member_max;
sw->lag_max = resp.lag_max;
sw->size_tbl_router_nexthop =
__le32_to_cpu(resp.size_tbl_router_nexthop);
return 0;
}
void prestera_hw_switch_fini(struct prestera_switch *sw)
{
WARN_ON(!list_empty(&sw->event_handlers));
}
int prestera_hw_switch_ageing_set(struct prestera_switch *sw, u32 ageing_ms)
{
struct prestera_msg_switch_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_SWITCH_ATTR_AGEING),
.param = {
.ageing_timeout_ms = __cpu_to_le32(ageing_ms),
},
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_SWITCH_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_mac_mode_get(const struct prestera_port *port,
u32 *mode, u32 *speed, u8 *duplex, u8 *fec)
{
struct prestera_msg_port_attr_resp resp;
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_MAC_MODE),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id)
};
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
if (mode)
*mode = __le32_to_cpu(resp.param.link_evt.mac.mode);
if (speed)
*speed = __le32_to_cpu(resp.param.link_evt.mac.speed);
if (duplex)
*duplex = resp.param.link_evt.mac.duplex;
if (fec)
*fec = resp.param.link_evt.mac.fec;
return err;
}
int prestera_hw_port_mac_mode_set(const struct prestera_port *port,
bool admin, u32 mode, u8 inband,
u32 speed, u8 duplex, u8 fec)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_MAC_MODE),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.link = {
.mac = {
.admin = admin,
.reg_mode.mode = __cpu_to_le32(mode),
.reg_mode.inband = inband,
.reg_mode.speed = __cpu_to_le32(speed),
.reg_mode.duplex = duplex,
.reg_mode.fec = fec
}
}
}
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_phy_mode_get(const struct prestera_port *port,
u8 *mdix, u64 *lmode_bmap,
bool *fc_pause, bool *fc_asym)
{
struct prestera_msg_port_attr_resp resp;
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_PHY_MODE),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id)
};
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
if (mdix)
*mdix = prestera_hw_mdix_to_eth(resp.param.link_evt.phy.mdix);
if (lmode_bmap)
*lmode_bmap = __le64_to_cpu(resp.param.link_evt.phy.lmode_bmap);
if (fc_pause && fc_asym)
prestera_hw_remote_fc_to_eth(resp.param.link_evt.phy.fc,
fc_pause, fc_asym);
return err;
}
int prestera_hw_port_phy_mode_set(const struct prestera_port *port,
bool admin, bool adv, u32 mode, u64 modes,
u8 mdix)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_PHY_MODE),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.link = {
.phy = {
.admin = admin,
.adv_enable = adv ? 1 : 0,
.mode = __cpu_to_le32(mode),
.modes = __cpu_to_le64(modes),
}
}
}
};
req.param.link.phy.mdix = prestera_hw_mdix_from_eth(mdix);
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_mtu_set(const struct prestera_port *port, u32 mtu)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_MTU),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.mtu = __cpu_to_le32(mtu),
}
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_mac_set(const struct prestera_port *port, const char *mac)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_MAC),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
ether_addr_copy(req.param.mac, mac);
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_accept_frm_type(struct prestera_port *port,
enum prestera_accept_frm_type type)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_ACCEPT_FRAME_TYPE),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.accept_frm_type = type,
}
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_cap_get(const struct prestera_port *port,
struct prestera_port_caps *caps)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_CAPABILITY),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
struct prestera_msg_port_attr_resp resp;
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
caps->supp_link_modes = __le64_to_cpu(resp.param.cap.link_mode);
caps->transceiver = resp.param.cap.transceiver;
caps->supp_fec = resp.param.cap.fec;
caps->type = resp.param.cap.type;
return err;
}
static void prestera_hw_remote_fc_to_eth(u8 fc, bool *pause, bool *asym_pause)
{
switch (fc) {
case PRESTERA_FC_SYMMETRIC:
*pause = true;
*asym_pause = false;
break;
case PRESTERA_FC_ASYMMETRIC:
*pause = false;
*asym_pause = true;
break;
case PRESTERA_FC_SYMM_ASYMM:
*pause = true;
*asym_pause = true;
break;
default:
*pause = false;
*asym_pause = false;
}
}
int prestera_hw_vtcam_create(struct prestera_switch *sw,
u8 lookup, const u32 *keymask, u32 *vtcam_id,
enum prestera_hw_vtcam_direction_t dir)
{
int err;
struct prestera_msg_vtcam_resp resp;
struct prestera_msg_vtcam_create_req req = {
.lookup = lookup,
.direction = dir,
};
if (keymask)
memcpy(req.keymask, keymask, sizeof(req.keymask));
else
memset(req.keymask, 0, sizeof(req.keymask));
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_VTCAM_CREATE,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*vtcam_id = __le32_to_cpu(resp.vtcam_id);
return 0;
}
int prestera_hw_vtcam_destroy(struct prestera_switch *sw, u32 vtcam_id)
{
struct prestera_msg_vtcam_destroy_req req = {
.vtcam_id = __cpu_to_le32(vtcam_id),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_VTCAM_DESTROY,
&req.cmd, sizeof(req));
}
static int
prestera_acl_rule_add_put_action(struct prestera_msg_acl_action *action,
struct prestera_acl_hw_action_info *info)
{
action->id = __cpu_to_le32(info->id);
switch (info->id) {
case PRESTERA_ACL_RULE_ACTION_ACCEPT:
case PRESTERA_ACL_RULE_ACTION_DROP:
case PRESTERA_ACL_RULE_ACTION_TRAP:
/* just rule action id, no specific data */
break;
case PRESTERA_ACL_RULE_ACTION_JUMP:
action->jump.index = __cpu_to_le32(info->jump.index);
break;
case PRESTERA_ACL_RULE_ACTION_POLICE:
action->police.id = __cpu_to_le32(info->police.id);
break;
case PRESTERA_ACL_RULE_ACTION_COUNT:
action->count.id = __cpu_to_le32(info->count.id);
break;
default:
return -EINVAL;
}
return 0;
}
int prestera_hw_vtcam_rule_add(struct prestera_switch *sw,
u32 vtcam_id, u32 prio, void *key, void *keymask,
struct prestera_acl_hw_action_info *act,
u8 n_act, u32 *rule_id)
{
struct prestera_msg_acl_action *actions_msg;
struct prestera_msg_vtcam_rule_add_req *req;
struct prestera_msg_vtcam_resp resp;
void *buff;
u32 size;
int err;
u8 i;
size = sizeof(*req) + sizeof(*actions_msg) * n_act;
buff = kzalloc(size, GFP_KERNEL);
if (!buff)
return -ENOMEM;
req = buff;
req->n_act = __cpu_to_le32(n_act);
actions_msg = buff + sizeof(*req);
/* put acl matches into the message */
memcpy(req->key, key, sizeof(req->key));
memcpy(req->keymask, keymask, sizeof(req->keymask));
/* put acl actions into the message */
for (i = 0; i < n_act; i++) {
err = prestera_acl_rule_add_put_action(&actions_msg[i],
&act[i]);
if (err)
goto free_buff;
}
req->vtcam_id = __cpu_to_le32(vtcam_id);
req->prio = __cpu_to_le32(prio);
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_VTCAM_RULE_ADD,
&req->cmd, size, &resp.ret, sizeof(resp));
if (err)
goto free_buff;
*rule_id = __le32_to_cpu(resp.rule_id);
free_buff:
kfree(buff);
return err;
}
int prestera_hw_vtcam_rule_del(struct prestera_switch *sw,
u32 vtcam_id, u32 rule_id)
{
struct prestera_msg_vtcam_rule_del_req req = {
.vtcam_id = __cpu_to_le32(vtcam_id),
.id = __cpu_to_le32(rule_id)
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_VTCAM_RULE_DELETE,
&req.cmd, sizeof(req));
}
int prestera_hw_vtcam_iface_bind(struct prestera_switch *sw,
struct prestera_acl_iface *iface,
u32 vtcam_id, u16 pcl_id)
{
struct prestera_msg_vtcam_bind_req req = {
.vtcam_id = __cpu_to_le32(vtcam_id),
.type = __cpu_to_le16(iface->type),
.pcl_id = __cpu_to_le16(pcl_id)
};
if (iface->type == PRESTERA_ACL_IFACE_TYPE_PORT) {
req.port.dev_id = __cpu_to_le32(iface->port->dev_id);
req.port.hw_id = __cpu_to_le32(iface->port->hw_id);
} else {
req.index = __cpu_to_le32(iface->index);
}
return prestera_cmd(sw, PRESTERA_CMD_TYPE_VTCAM_IFACE_BIND,
&req.cmd, sizeof(req));
}
int prestera_hw_vtcam_iface_unbind(struct prestera_switch *sw,
struct prestera_acl_iface *iface,
u32 vtcam_id)
{
struct prestera_msg_vtcam_bind_req req = {
.vtcam_id = __cpu_to_le32(vtcam_id),
.type = __cpu_to_le16(iface->type)
};
if (iface->type == PRESTERA_ACL_IFACE_TYPE_PORT) {
req.port.dev_id = __cpu_to_le32(iface->port->dev_id);
req.port.hw_id = __cpu_to_le32(iface->port->hw_id);
} else {
req.index = __cpu_to_le32(iface->index);
}
return prestera_cmd(sw, PRESTERA_CMD_TYPE_VTCAM_IFACE_UNBIND,
&req.cmd, sizeof(req));
}
int prestera_hw_span_get(const struct prestera_port *port, u8 *span_id)
{
struct prestera_msg_span_resp resp;
struct prestera_msg_span_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_SPAN_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*span_id = resp.id;
return 0;
}
int prestera_hw_span_bind(const struct prestera_port *port, u8 span_id,
bool ingress)
{
struct prestera_msg_span_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.id = span_id,
};
enum prestera_cmd_type_t cmd_type;
if (ingress)
cmd_type = PRESTERA_CMD_TYPE_SPAN_INGRESS_BIND;
else
cmd_type = PRESTERA_CMD_TYPE_SPAN_EGRESS_BIND;
return prestera_cmd(port->sw, cmd_type, &req.cmd, sizeof(req));
}
int prestera_hw_span_unbind(const struct prestera_port *port, bool ingress)
{
struct prestera_msg_span_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
enum prestera_cmd_type_t cmd_type;
if (ingress)
cmd_type = PRESTERA_CMD_TYPE_SPAN_INGRESS_UNBIND;
else
cmd_type = PRESTERA_CMD_TYPE_SPAN_EGRESS_UNBIND;
return prestera_cmd(port->sw, cmd_type, &req.cmd, sizeof(req));
}
int prestera_hw_span_release(struct prestera_switch *sw, u8 span_id)
{
struct prestera_msg_span_req req = {
.id = span_id
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_SPAN_RELEASE,
&req.cmd, sizeof(req));
}
int prestera_hw_port_type_get(const struct prestera_port *port, u8 *type)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_TYPE),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
struct prestera_msg_port_attr_resp resp;
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*type = resp.param.type;
return 0;
}
int prestera_hw_port_speed_get(const struct prestera_port *port, u32 *speed)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_SPEED),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
struct prestera_msg_port_attr_resp resp;
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*speed = __le32_to_cpu(resp.param.speed);
return 0;
}
int prestera_hw_port_autoneg_restart(struct prestera_port *port)
{
struct prestera_msg_port_attr_req req = {
.attr =
__cpu_to_le32(PRESTERA_CMD_PORT_ATTR_PHY_AUTONEG_RESTART),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_stats_get(const struct prestera_port *port,
struct prestera_port_stats *st)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_STATS),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
struct prestera_msg_port_stats_resp resp;
__le64 *hw = resp.stats;
int err;
err = prestera_cmd_ret(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
st->good_octets_received =
__le64_to_cpu(hw[PRESTERA_PORT_GOOD_OCTETS_RCV_CNT]);
st->bad_octets_received =
__le64_to_cpu(hw[PRESTERA_PORT_BAD_OCTETS_RCV_CNT]);
st->mac_trans_error =
__le64_to_cpu(hw[PRESTERA_PORT_MAC_TRANSMIT_ERR_CNT]);
st->broadcast_frames_received =
__le64_to_cpu(hw[PRESTERA_PORT_BRDC_PKTS_RCV_CNT]);
st->multicast_frames_received =
__le64_to_cpu(hw[PRESTERA_PORT_MC_PKTS_RCV_CNT]);
st->frames_64_octets = __le64_to_cpu(hw[PRESTERA_PORT_PKTS_64L_CNT]);
st->frames_65_to_127_octets =
__le64_to_cpu(hw[PRESTERA_PORT_PKTS_65TO127L_CNT]);
st->frames_128_to_255_octets =
__le64_to_cpu(hw[PRESTERA_PORT_PKTS_128TO255L_CNT]);
st->frames_256_to_511_octets =
__le64_to_cpu(hw[PRESTERA_PORT_PKTS_256TO511L_CNT]);
st->frames_512_to_1023_octets =
__le64_to_cpu(hw[PRESTERA_PORT_PKTS_512TO1023L_CNT]);
st->frames_1024_to_max_octets =
__le64_to_cpu(hw[PRESTERA_PORT_PKTS_1024TOMAXL_CNT]);
st->excessive_collision =
__le64_to_cpu(hw[PRESTERA_PORT_EXCESSIVE_COLLISIONS_CNT]);
st->multicast_frames_sent =
__le64_to_cpu(hw[PRESTERA_PORT_MC_PKTS_SENT_CNT]);
st->broadcast_frames_sent =
__le64_to_cpu(hw[PRESTERA_PORT_BRDC_PKTS_SENT_CNT]);
st->fc_sent = __le64_to_cpu(hw[PRESTERA_PORT_FC_SENT_CNT]);
st->fc_received = __le64_to_cpu(hw[PRESTERA_PORT_GOOD_FC_RCV_CNT]);
st->buffer_overrun = __le64_to_cpu(hw[PRESTERA_PORT_DROP_EVENTS_CNT]);
st->undersize = __le64_to_cpu(hw[PRESTERA_PORT_UNDERSIZE_PKTS_CNT]);
st->fragments = __le64_to_cpu(hw[PRESTERA_PORT_FRAGMENTS_PKTS_CNT]);
st->oversize = __le64_to_cpu(hw[PRESTERA_PORT_OVERSIZE_PKTS_CNT]);
st->jabber = __le64_to_cpu(hw[PRESTERA_PORT_JABBER_PKTS_CNT]);
st->rx_error_frame_received =
__le64_to_cpu(hw[PRESTERA_PORT_MAC_RCV_ERROR_CNT]);
st->bad_crc = __le64_to_cpu(hw[PRESTERA_PORT_BAD_CRC_CNT]);
st->collisions = __le64_to_cpu(hw[PRESTERA_PORT_COLLISIONS_CNT]);
st->late_collision =
__le64_to_cpu(hw[PRESTERA_PORT_LATE_COLLISIONS_CNT]);
st->unicast_frames_received =
__le64_to_cpu(hw[PRESTERA_PORT_GOOD_UC_PKTS_RCV_CNT]);
st->unicast_frames_sent =
__le64_to_cpu(hw[PRESTERA_PORT_GOOD_UC_PKTS_SENT_CNT]);
st->sent_multiple =
__le64_to_cpu(hw[PRESTERA_PORT_MULTIPLE_PKTS_SENT_CNT]);
st->sent_deferred =
__le64_to_cpu(hw[PRESTERA_PORT_DEFERRED_PKTS_SENT_CNT]);
st->good_octets_sent =
__le64_to_cpu(hw[PRESTERA_PORT_GOOD_OCTETS_SENT_CNT]);
return 0;
}
int prestera_hw_port_learning_set(struct prestera_port *port, bool enable)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_LEARNING),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.learning = enable,
}
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_uc_flood_set(const struct prestera_port *port, bool flood)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_FLOOD),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.flood_ext = {
.type = PRESTERA_PORT_FLOOD_TYPE_UC,
.enable = flood,
}
}
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_mc_flood_set(const struct prestera_port *port, bool flood)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_FLOOD),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.flood_ext = {
.type = PRESTERA_PORT_FLOOD_TYPE_MC,
.enable = flood,
}
}
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_port_br_locked_set(const struct prestera_port *port,
bool br_locked)
{
struct prestera_msg_port_attr_req req = {
.attr = __cpu_to_le32(PRESTERA_CMD_PORT_ATTR_LOCKED),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.param = {
.br_locked = br_locked,
}
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_PORT_ATTR_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_vlan_create(struct prestera_switch *sw, u16 vid)
{
struct prestera_msg_vlan_req req = {
.vid = __cpu_to_le16(vid),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_VLAN_CREATE,
&req.cmd, sizeof(req));
}
int prestera_hw_vlan_delete(struct prestera_switch *sw, u16 vid)
{
struct prestera_msg_vlan_req req = {
.vid = __cpu_to_le16(vid),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_VLAN_DELETE,
&req.cmd, sizeof(req));
}
int prestera_hw_vlan_port_set(struct prestera_port *port, u16 vid,
bool is_member, bool untagged)
{
struct prestera_msg_vlan_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.vid = __cpu_to_le16(vid),
.is_member = is_member,
.is_tagged = !untagged,
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_VLAN_PORT_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_vlan_port_vid_set(struct prestera_port *port, u16 vid)
{
struct prestera_msg_vlan_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.vid = __cpu_to_le16(vid),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_VLAN_PVID_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_vlan_port_stp_set(struct prestera_port *port, u16 vid, u8 state)
{
struct prestera_msg_stp_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.vid = __cpu_to_le16(vid),
.state = state,
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_STP_PORT_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_fdb_add(struct prestera_port *port, const unsigned char *mac,
u16 vid, bool dynamic)
{
struct prestera_msg_fdb_req req = {
.dest = {
.dev = __cpu_to_le32(port->dev_id),
.port = __cpu_to_le32(port->hw_id),
},
.vid = __cpu_to_le16(vid),
.dynamic = dynamic,
};
ether_addr_copy(req.mac, mac);
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_FDB_ADD,
&req.cmd, sizeof(req));
}
int prestera_hw_fdb_del(struct prestera_port *port, const unsigned char *mac,
u16 vid)
{
struct prestera_msg_fdb_req req = {
.dest = {
.dev = __cpu_to_le32(port->dev_id),
.port = __cpu_to_le32(port->hw_id),
},
.vid = __cpu_to_le16(vid),
};
ether_addr_copy(req.mac, mac);
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_FDB_DELETE,
&req.cmd, sizeof(req));
}
int prestera_hw_lag_fdb_add(struct prestera_switch *sw, u16 lag_id,
const unsigned char *mac, u16 vid, bool dynamic)
{
struct prestera_msg_fdb_req req = {
.dest_type = PRESTERA_HW_FDB_ENTRY_TYPE_LAG,
.dest = {
.lag_id = __cpu_to_le16(lag_id),
},
.vid = __cpu_to_le16(vid),
.dynamic = dynamic,
};
ether_addr_copy(req.mac, mac);
return prestera_cmd(sw, PRESTERA_CMD_TYPE_FDB_ADD,
&req.cmd, sizeof(req));
}
int prestera_hw_lag_fdb_del(struct prestera_switch *sw, u16 lag_id,
const unsigned char *mac, u16 vid)
{
struct prestera_msg_fdb_req req = {
.dest_type = PRESTERA_HW_FDB_ENTRY_TYPE_LAG,
.dest = {
.lag_id = __cpu_to_le16(lag_id),
},
.vid = __cpu_to_le16(vid),
};
ether_addr_copy(req.mac, mac);
return prestera_cmd(sw, PRESTERA_CMD_TYPE_FDB_DELETE,
&req.cmd, sizeof(req));
}
int prestera_hw_fdb_flush_port(struct prestera_port *port, u32 mode)
{
struct prestera_msg_fdb_req req = {
.dest = {
.dev = __cpu_to_le32(port->dev_id),
.port = __cpu_to_le32(port->hw_id),
},
.flush_mode = __cpu_to_le32(mode),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_FDB_FLUSH_PORT,
&req.cmd, sizeof(req));
}
int prestera_hw_fdb_flush_vlan(struct prestera_switch *sw, u16 vid, u32 mode)
{
struct prestera_msg_fdb_req req = {
.vid = __cpu_to_le16(vid),
.flush_mode = __cpu_to_le32(mode),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_FDB_FLUSH_VLAN,
&req.cmd, sizeof(req));
}
int prestera_hw_fdb_flush_port_vlan(struct prestera_port *port, u16 vid,
u32 mode)
{
struct prestera_msg_fdb_req req = {
.dest = {
.dev = __cpu_to_le32(port->dev_id),
.port = __cpu_to_le32(port->hw_id),
},
.vid = __cpu_to_le16(vid),
.flush_mode = __cpu_to_le32(mode),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_FDB_FLUSH_PORT_VLAN,
&req.cmd, sizeof(req));
}
int prestera_hw_fdb_flush_lag(struct prestera_switch *sw, u16 lag_id,
u32 mode)
{
struct prestera_msg_fdb_req req = {
.dest_type = PRESTERA_HW_FDB_ENTRY_TYPE_LAG,
.dest = {
.lag_id = __cpu_to_le16(lag_id),
},
.flush_mode = __cpu_to_le32(mode),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_FDB_FLUSH_PORT,
&req.cmd, sizeof(req));
}
int prestera_hw_fdb_flush_lag_vlan(struct prestera_switch *sw,
u16 lag_id, u16 vid, u32 mode)
{
struct prestera_msg_fdb_req req = {
.dest_type = PRESTERA_HW_FDB_ENTRY_TYPE_LAG,
.dest = {
.lag_id = __cpu_to_le16(lag_id),
},
.vid = __cpu_to_le16(vid),
.flush_mode = __cpu_to_le32(mode),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_FDB_FLUSH_PORT_VLAN,
&req.cmd, sizeof(req));
}
int prestera_hw_bridge_create(struct prestera_switch *sw, u16 *bridge_id)
{
struct prestera_msg_bridge_resp resp;
struct prestera_msg_bridge_req req;
int err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_BRIDGE_CREATE,
&req.cmd, sizeof(req),
&resp.ret, sizeof(resp));
if (err)
return err;
*bridge_id = __le16_to_cpu(resp.bridge);
return 0;
}
int prestera_hw_bridge_delete(struct prestera_switch *sw, u16 bridge_id)
{
struct prestera_msg_bridge_req req = {
.bridge = __cpu_to_le16(bridge_id),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_BRIDGE_DELETE,
&req.cmd, sizeof(req));
}
int prestera_hw_bridge_port_add(struct prestera_port *port, u16 bridge_id)
{
struct prestera_msg_bridge_req req = {
.bridge = __cpu_to_le16(bridge_id),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_BRIDGE_PORT_ADD,
&req.cmd, sizeof(req));
}
int prestera_hw_bridge_port_delete(struct prestera_port *port, u16 bridge_id)
{
struct prestera_msg_bridge_req req = {
.bridge = __cpu_to_le16(bridge_id),
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_BRIDGE_PORT_DELETE,
&req.cmd, sizeof(req));
}
static int prestera_iface_to_msg(struct prestera_iface *iface,
struct prestera_msg_iface *msg_if)
{
switch (iface->type) {
case PRESTERA_IF_PORT_E:
case PRESTERA_IF_VID_E:
msg_if->port = __cpu_to_le32(iface->dev_port.port_num);
msg_if->dev = __cpu_to_le32(iface->dev_port.hw_dev_num);
break;
case PRESTERA_IF_LAG_E:
msg_if->lag_id = __cpu_to_le16(iface->lag_id);
break;
default:
return -EOPNOTSUPP;
}
msg_if->vr_id = __cpu_to_le16(iface->vr_id);
msg_if->vid = __cpu_to_le16(iface->vlan_id);
msg_if->type = iface->type;
return 0;
}
int prestera_hw_rif_create(struct prestera_switch *sw,
struct prestera_iface *iif, u8 *mac, u16 *rif_id)
{
struct prestera_msg_rif_resp resp;
struct prestera_msg_rif_req req;
int err;
memcpy(req.mac, mac, ETH_ALEN);
err = prestera_iface_to_msg(iif, &req.iif);
if (err)
return err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_ROUTER_RIF_CREATE,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*rif_id = __le16_to_cpu(resp.rif_id);
return err;
}
int prestera_hw_rif_delete(struct prestera_switch *sw, u16 rif_id,
struct prestera_iface *iif)
{
struct prestera_msg_rif_req req = {
.rif_id = __cpu_to_le16(rif_id),
};
int err;
err = prestera_iface_to_msg(iif, &req.iif);
if (err)
return err;
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_RIF_DELETE, &req.cmd,
sizeof(req));
}
int prestera_hw_vr_create(struct prestera_switch *sw, u16 *vr_id)
{
struct prestera_msg_vr_resp resp;
struct prestera_msg_vr_req req;
int err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_ROUTER_VR_CREATE,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*vr_id = __le16_to_cpu(resp.vr_id);
return err;
}
int prestera_hw_vr_delete(struct prestera_switch *sw, u16 vr_id)
{
struct prestera_msg_vr_req req = {
.vr_id = __cpu_to_le16(vr_id),
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_VR_DELETE, &req.cmd,
sizeof(req));
}
int prestera_hw_lpm_add(struct prestera_switch *sw, u16 vr_id,
__be32 dst, u32 dst_len, u32 grp_id)
{
struct prestera_msg_lpm_req req = {
.dst_len = __cpu_to_le32(dst_len),
.vr_id = __cpu_to_le16(vr_id),
.grp_id = __cpu_to_le32(grp_id),
.dst.u.ipv4 = dst
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_LPM_ADD, &req.cmd,
sizeof(req));
}
int prestera_hw_lpm_del(struct prestera_switch *sw, u16 vr_id,
__be32 dst, u32 dst_len)
{
struct prestera_msg_lpm_req req = {
.dst_len = __cpu_to_le32(dst_len),
.vr_id = __cpu_to_le16(vr_id),
.dst.u.ipv4 = dst
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_LPM_DELETE, &req.cmd,
sizeof(req));
}
int prestera_hw_nh_entries_set(struct prestera_switch *sw, int count,
struct prestera_neigh_info *nhs, u32 grp_id)
{
struct prestera_msg_nh_req req = { .size = __cpu_to_le32((u32)count),
.grp_id = __cpu_to_le32(grp_id) };
int i, err;
for (i = 0; i < count; i++) {
req.nh[i].is_active = nhs[i].connected;
memcpy(&req.nh[i].mac, nhs[i].ha, ETH_ALEN);
err = prestera_iface_to_msg(&nhs[i].iface, &req.nh[i].oif);
if (err)
return err;
}
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_NH_GRP_SET, &req.cmd,
sizeof(req));
}
int prestera_hw_nhgrp_blk_get(struct prestera_switch *sw,
u8 *hw_state, u32 buf_size /* Buffer in bytes */)
{
static struct prestera_msg_nh_chunk_resp resp;
struct prestera_msg_nh_chunk_req req;
u32 buf_offset;
int err;
memset(&hw_state[0], 0, buf_size);
buf_offset = 0;
while (1) {
if (buf_offset >= buf_size)
break;
memset(&req, 0, sizeof(req));
req.offset = __cpu_to_le32(buf_offset * 8); /* 8 bits in u8 */
err = prestera_cmd_ret(sw,
PRESTERA_CMD_TYPE_ROUTER_NH_GRP_BLK_GET,
&req.cmd, sizeof(req), &resp.ret,
sizeof(resp));
if (err)
return err;
memcpy(&hw_state[buf_offset], &resp.hw_state[0],
buf_offset + PRESTERA_MSG_CHUNK_SIZE > buf_size ?
buf_size - buf_offset : PRESTERA_MSG_CHUNK_SIZE);
buf_offset += PRESTERA_MSG_CHUNK_SIZE;
}
return 0;
}
int prestera_hw_nh_group_create(struct prestera_switch *sw, u16 nh_count,
u32 *grp_id)
{
struct prestera_msg_nh_grp_req req = { .size = __cpu_to_le32((u32)nh_count) };
struct prestera_msg_nh_grp_resp resp;
int err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_ROUTER_NH_GRP_ADD,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*grp_id = __le32_to_cpu(resp.grp_id);
return err;
}
int prestera_hw_nh_group_delete(struct prestera_switch *sw, u16 nh_count,
u32 grp_id)
{
struct prestera_msg_nh_grp_req req = {
.grp_id = __cpu_to_le32(grp_id),
.size = __cpu_to_le32(nh_count)
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_ROUTER_NH_GRP_DELETE,
&req.cmd, sizeof(req));
}
int prestera_hw_rxtx_init(struct prestera_switch *sw,
struct prestera_rxtx_params *params)
{
struct prestera_msg_rxtx_resp resp;
struct prestera_msg_rxtx_req req;
int err;
req.use_sdma = params->use_sdma;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_RXTX_INIT,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
params->map_addr = __le32_to_cpu(resp.map_addr);
return 0;
}
int prestera_hw_lag_member_add(struct prestera_port *port, u16 lag_id)
{
struct prestera_msg_lag_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.lag_id = __cpu_to_le16(lag_id),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_LAG_MEMBER_ADD,
&req.cmd, sizeof(req));
}
int prestera_hw_lag_member_del(struct prestera_port *port, u16 lag_id)
{
struct prestera_msg_lag_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.lag_id = __cpu_to_le16(lag_id),
};
return prestera_cmd(port->sw, PRESTERA_CMD_TYPE_LAG_MEMBER_DELETE,
&req.cmd, sizeof(req));
}
int prestera_hw_lag_member_enable(struct prestera_port *port, u16 lag_id,
bool enable)
{
struct prestera_msg_lag_req req = {
.port = __cpu_to_le32(port->hw_id),
.dev = __cpu_to_le32(port->dev_id),
.lag_id = __cpu_to_le16(lag_id),
};
u32 cmd;
cmd = enable ? PRESTERA_CMD_TYPE_LAG_MEMBER_ENABLE :
PRESTERA_CMD_TYPE_LAG_MEMBER_DISABLE;
return prestera_cmd(port->sw, cmd, &req.cmd, sizeof(req));
}
int
prestera_hw_cpu_code_counters_get(struct prestera_switch *sw, u8 code,
enum prestera_hw_cpu_code_cnt_t counter_type,
u64 *packet_count)
{
struct prestera_msg_cpu_code_counter_req req = {
.counter_type = counter_type,
.code = code,
};
struct mvsw_msg_cpu_code_counter_ret resp;
int err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_CPU_CODE_COUNTERS_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*packet_count = __le64_to_cpu(resp.packet_count);
return 0;
}
int prestera_hw_event_handler_register(struct prestera_switch *sw,
enum prestera_event_type type,
prestera_event_cb_t fn,
void *arg)
{
struct prestera_fw_event_handler *eh;
eh = __find_event_handler(sw, type);
if (eh)
return -EEXIST;
eh = kmalloc(sizeof(*eh), GFP_KERNEL);
if (!eh)
return -ENOMEM;
eh->type = type;
eh->func = fn;
eh->arg = arg;
INIT_LIST_HEAD(&eh->list);
list_add_rcu(&eh->list, &sw->event_handlers);
return 0;
}
void prestera_hw_event_handler_unregister(struct prestera_switch *sw,
enum prestera_event_type type,
prestera_event_cb_t fn)
{
struct prestera_fw_event_handler *eh;
eh = __find_event_handler(sw, type);
if (!eh)
return;
list_del_rcu(&eh->list);
kfree_rcu(eh, rcu);
}
int prestera_hw_counter_trigger(struct prestera_switch *sw, u32 block_id)
{
struct prestera_msg_counter_req req = {
.block_id = __cpu_to_le32(block_id)
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_COUNTER_TRIGGER,
&req.cmd, sizeof(req));
}
int prestera_hw_counter_abort(struct prestera_switch *sw)
{
struct prestera_msg_counter_req req;
return prestera_cmd(sw, PRESTERA_CMD_TYPE_COUNTER_ABORT,
&req.cmd, sizeof(req));
}
int prestera_hw_counters_get(struct prestera_switch *sw, u32 idx,
u32 *len, bool *done,
struct prestera_counter_stats *stats)
{
struct prestera_msg_counter_resp *resp;
struct prestera_msg_counter_req req = {
.block_id = __cpu_to_le32(idx),
.num_counters = __cpu_to_le32(*len),
};
size_t size = struct_size(resp, stats, *len);
int err, i;
resp = kmalloc(size, GFP_KERNEL);
if (!resp)
return -ENOMEM;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_COUNTER_GET,
&req.cmd, sizeof(req), &resp->ret, size);
if (err)
goto free_buff;
for (i = 0; i < __le32_to_cpu(resp->num_counters); i++) {
stats[i].packets += __le64_to_cpu(resp->stats[i].packets);
stats[i].bytes += __le64_to_cpu(resp->stats[i].bytes);
}
*len = __le32_to_cpu(resp->num_counters);
*done = __le32_to_cpu(resp->done);
free_buff:
kfree(resp);
return err;
}
int prestera_hw_counter_block_get(struct prestera_switch *sw,
u32 client, u32 *block_id, u32 *offset,
u32 *num_counters)
{
struct prestera_msg_counter_resp resp;
struct prestera_msg_counter_req req = {
.client = __cpu_to_le32(client)
};
int err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_COUNTER_BLOCK_GET,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*block_id = __le32_to_cpu(resp.block_id);
*offset = __le32_to_cpu(resp.offset);
*num_counters = __le32_to_cpu(resp.num_counters);
return 0;
}
int prestera_hw_counter_block_release(struct prestera_switch *sw,
u32 block_id)
{
struct prestera_msg_counter_req req = {
.block_id = __cpu_to_le32(block_id)
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_COUNTER_BLOCK_RELEASE,
&req.cmd, sizeof(req));
}
int prestera_hw_counter_clear(struct prestera_switch *sw, u32 block_id,
u32 counter_id)
{
struct prestera_msg_counter_req req = {
.block_id = __cpu_to_le32(block_id),
.num_counters = __cpu_to_le32(counter_id)
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_COUNTER_CLEAR,
&req.cmd, sizeof(req));
}
int prestera_hw_policer_create(struct prestera_switch *sw, u8 type,
u32 *policer_id)
{
struct prestera_msg_policer_resp resp;
struct prestera_msg_policer_req req = {
.type = type
};
int err;
err = prestera_cmd_ret(sw, PRESTERA_CMD_TYPE_POLICER_CREATE,
&req.cmd, sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
*policer_id = __le32_to_cpu(resp.id);
return 0;
}
int prestera_hw_policer_release(struct prestera_switch *sw,
u32 policer_id)
{
struct prestera_msg_policer_req req = {
.id = __cpu_to_le32(policer_id)
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_POLICER_RELEASE,
&req.cmd, sizeof(req));
}
int prestera_hw_policer_sr_tcm_set(struct prestera_switch *sw,
u32 policer_id, u64 cir, u32 cbs)
{
struct prestera_msg_policer_req req = {
.mode = PRESTERA_POLICER_MODE_SR_TCM,
.id = __cpu_to_le32(policer_id),
.sr_tcm = {
.cir = __cpu_to_le64(cir),
.cbs = __cpu_to_le32(cbs)
}
};
return prestera_cmd(sw, PRESTERA_CMD_TYPE_POLICER_SET,
&req.cmd, sizeof(req));
}
int prestera_hw_flood_domain_create(struct prestera_flood_domain *domain)
{
struct prestera_msg_flood_domain_create_resp resp;
struct prestera_msg_flood_domain_create_req req;
int err;
err = prestera_cmd_ret(domain->sw,
PRESTERA_CMD_TYPE_FLOOD_DOMAIN_CREATE, &req.cmd,
sizeof(req), &resp.ret, sizeof(resp));
if (err)
return err;
domain->idx = __le32_to_cpu(resp.flood_domain_idx);
return 0;
}
int prestera_hw_flood_domain_destroy(struct prestera_flood_domain *domain)
{
struct prestera_msg_flood_domain_destroy_req req = {
.flood_domain_idx = __cpu_to_le32(domain->idx),
};
return prestera_cmd(domain->sw, PRESTERA_CMD_TYPE_FLOOD_DOMAIN_DESTROY,
&req.cmd, sizeof(req));
}
int prestera_hw_flood_domain_ports_set(struct prestera_flood_domain *domain)
{
struct prestera_flood_domain_port *flood_domain_port;
struct prestera_msg_flood_domain_ports_set_req *req;
struct prestera_msg_flood_domain_port *ports;
struct prestera_switch *sw = domain->sw;
struct prestera_port *port;
u32 ports_num = 0;
int buf_size;
void *buff;
u16 lag_id;
int err;
list_for_each_entry(flood_domain_port, &domain->flood_domain_port_list,
flood_domain_port_node)
ports_num++;
if (!ports_num)
return -EINVAL;
buf_size = sizeof(*req) + sizeof(*ports) * ports_num;
buff = kmalloc(buf_size, GFP_KERNEL);
if (!buff)
return -ENOMEM;
req = buff;
ports = buff + sizeof(*req);
req->flood_domain_idx = __cpu_to_le32(domain->idx);
req->ports_num = __cpu_to_le32(ports_num);
list_for_each_entry(flood_domain_port, &domain->flood_domain_port_list,
flood_domain_port_node) {
if (netif_is_lag_master(flood_domain_port->dev)) {
if (prestera_lag_id(sw, flood_domain_port->dev,
&lag_id)) {
kfree(buff);
return -EINVAL;
}
ports->port_type =
__cpu_to_le16(PRESTERA_HW_FLOOD_DOMAIN_PORT_TYPE_LAG);
ports->lag_id = __cpu_to_le16(lag_id);
} else {
port = prestera_port_dev_lower_find(flood_domain_port->dev);
ports->port_type =
__cpu_to_le16(PRESTERA_HW_FDB_ENTRY_TYPE_REG_PORT);
ports->dev_num = __cpu_to_le32(port->dev_id);
ports->port_num = __cpu_to_le32(port->hw_id);
}
ports->vid = __cpu_to_le16(flood_domain_port->vid);
ports++;
}
err = prestera_cmd(sw, PRESTERA_CMD_TYPE_FLOOD_DOMAIN_PORTS_SET,
&req->cmd, buf_size);
kfree(buff);
return err;
}
int prestera_hw_flood_domain_ports_reset(struct prestera_flood_domain *domain)
{
struct prestera_msg_flood_domain_ports_reset_req req = {
.flood_domain_idx = __cpu_to_le32(domain->idx),
};
return prestera_cmd(domain->sw,
PRESTERA_CMD_TYPE_FLOOD_DOMAIN_PORTS_RESET, &req.cmd,
sizeof(req));
}
int prestera_hw_mdb_create(struct prestera_mdb_entry *mdb)
{
struct prestera_msg_mdb_create_req req = {
.flood_domain_idx = __cpu_to_le32(mdb->flood_domain->idx),
.vid = __cpu_to_le16(mdb->vid),
};
memcpy(req.mac, mdb->addr, ETH_ALEN);
return prestera_cmd(mdb->sw, PRESTERA_CMD_TYPE_MDB_CREATE, &req.cmd,
sizeof(req));
}
int prestera_hw_mdb_destroy(struct prestera_mdb_entry *mdb)
{
struct prestera_msg_mdb_destroy_req req = {
.flood_domain_idx = __cpu_to_le32(mdb->flood_domain->idx),
.vid = __cpu_to_le16(mdb->vid),
};
memcpy(req.mac, mdb->addr, ETH_ALEN);
return prestera_cmd(mdb->sw, PRESTERA_CMD_TYPE_MDB_DESTROY, &req.cmd,
sizeof(req));
}