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realtek: Add debugfs support for RTL9300
Adds support for debugfs on RTL9300, in particular the drop counters. Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
This commit is contained in:
Birger Koblitz
John Crispin
parent
1f402512ae
commit
1cfd45ae0b
@ -1570,6 +1570,8 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
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sw_w32(7, priv->r->spcl_trap_eapol_ctrl);
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rtl838x_dbgfs_init(priv);
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} else {
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rtl930x_dbgfs_init(priv);
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}
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return 0;
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@ -40,7 +40,11 @@
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#define RTL839X_MIR_RSPAN_TX_CTRL (0x69b0)
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#define RTL839X_MIR_RSPAN_TX_TAG_RM_CTRL (0x2550)
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#define RTL839X_MIR_RSPAN_TX_TAG_EN_CTRL (0x2554)
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#define RTL839X_MIR_SAMPLE_RATE_CTRL (0x2558)
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#define RTL839X_MIR_SAMPLE_RATE_CTRL (0x2558)
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#define RTL838X_STAT_PRVTE_DROP_COUNTERS (0x6A00)
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#define RTL839X_STAT_PRVTE_DROP_COUNTERS (0x3E00)
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#define RTL930X_STAT_PRVTE_DROP_COUNTERS (0xB5B8)
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int rtl83xx_port_get_stp_state(struct rtl838x_switch_priv *priv, int port);
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void rtl83xx_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
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@ -50,6 +54,58 @@ u32 rtl839x_get_egress_rate(struct rtl838x_switch_priv *priv, int port);
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int rtl838x_set_egress_rate(struct rtl838x_switch_priv *priv, int port, u32 rate);
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int rtl839x_set_egress_rate(struct rtl838x_switch_priv *priv, int port, u32 rate);
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const char *rtl838x_drop_cntr[] = {
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"ALE_TX_GOOD_PKTS", "MAC_RX_DROP", "ACL_FWD_DROP", "HW_ATTACK_PREVENTION_DROP",
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"RMA_DROP", "VLAN_IGR_FLTR_DROP", "INNER_OUTER_CFI_EQUAL_1_DROP", "PORT_MOVE_DROP",
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"NEW_SA_DROP", "MAC_LIMIT_SYS_DROP", "MAC_LIMIT_VLAN_DROP", "MAC_LIMIT_PORT_DROP",
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"SWITCH_MAC_DROP", "ROUTING_EXCEPTION_DROP", "DA_LKMISS_DROP", "RSPAN_DROP",
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"ACL_LKMISS_DROP", "ACL_DROP", "INBW_DROP", "IGR_METER_DROP",
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"ACCEPT_FRAME_TYPE_DROP", "STP_IGR_DROP", "INVALID_SA_DROP", "SA_BLOCKING_DROP",
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"DA_BLOCKING_DROP", "L2_INVALID_DPM_DROP", "MCST_INVALID_DPM_DROP", "RX_FLOW_CONTROL_DROP",
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"STORM_SPPRS_DROP", "LALS_DROP", "VLAN_EGR_FILTER_DROP", "STP_EGR_DROP",
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"SRC_PORT_FILTER_DROP", "PORT_ISOLATION_DROP", "ACL_FLTR_DROP", "MIRROR_FLTR_DROP",
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"TX_MAX_DROP", "LINK_DOWN_DROP", "FLOW_CONTROL_DROP", "BRIDGE .1d discards"
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};
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const char *rtl839x_drop_cntr[] = {
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"ALE_TX_GOOD_PKTS", "ERROR_PKTS", "EGR_ACL_DROP", "EGR_METER_DROP",
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"OAM", "CFM" "VLAN_IGR_FLTR", "VLAN_ERR",
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"INNER_OUTER_CFI_EQUAL_1", "VLAN_TAG_FORMAT", "SRC_PORT_SPENDING_TREE", "INBW",
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"RMA", "HW_ATTACK_PREVENTION", "PROTO_STORM", "MCAST_SA",
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"IGR_ACL_DROP", "IGR_METER_DROP", "DFLT_ACTION_FOR_MISS_ACL_AND_C2SC", "NEW_SA",
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"PORT_MOVE", "SA_BLOCKING", "ROUTING_EXCEPTION", "SRC_PORT_SPENDING_TREE_NON_FWDING",
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"MAC_LIMIT", "UNKNOW_STORM", "MISS_DROP", "CPU_MAC_DROP",
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"DA_BLOCKING", "SRC_PORT_FILTER_BEFORE_EGR_ACL", "VLAN_EGR_FILTER", "SPANNING_TRE",
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"PORT_ISOLATION", "OAM_EGRESS_DROP", "MIRROR_ISOLATION", "MAX_LEN_BEFORE_EGR_ACL",
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"SRC_PORT_FILTER_BEFORE_MIRROR", "MAX_LEN_BEFORE_MIRROR", "SPECIAL_CONGEST_BEFORE_MIRROR",
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"LINK_STATUS_BEFORE_MIRROR",
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"WRED_BEFORE_MIRROR", "MAX_LEN_AFTER_MIRROR", "SPECIAL_CONGEST_AFTER_MIRROR",
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"LINK_STATUS_AFTER_MIRROR",
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"WRED_AFTER_MIRROR"
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};
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const char *rtl930x_drop_cntr[] = {
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"OAM_PARSER", "UC_RPF", "DEI_CFI", "MAC_IP_SUBNET_BASED_VLAN", "VLAN_IGR_FILTER",
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"L2_UC_MC", "IPV_IP6_MC_BRIDGE", "PTP", "USER_DEF_0_3", "RESERVED",
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"RESERVED1", "RESERVED2", "BPDU_RMA", "LACP", "LLDP",
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"EAPOL", "XX_RMA", "L3_IPUC_NON_IP", "IP4_IP6_HEADER_ERROR", "L3_BAD_IP",
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"L3_DIP_DMAC_MISMATCH", "IP4_IP_OPTION", "IP_UC_MC_ROUTING_LOOK_UP_MISS", "L3_DST_NULL_INTF",
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"L3_PBR_NULL_INTF",
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"HOST_NULL_INTF", "ROUTE_NULL_INTF", "BRIDGING_ACTION", "ROUTING_ACTION", "IPMC_RPF",
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"L2_NEXTHOP_AGE_OUT", "L3_UC_TTL_FAIL", "L3_MC_TTL_FAIL", "L3_UC_MTU_FAIL", "L3_MC_MTU_FAIL",
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"L3_UC_ICMP_REDIR", "IP6_MLD_OTHER_ACT", "ND", "IP_MC_RESERVED", "IP6_HBH",
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"INVALID_SA", "L2_HASH_FULL", "NEW_SA", "PORT_MOVE_FORBID", "STATIC_PORT_MOVING",
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"DYNMIC_PORT_MOVING", "L3_CRC", "MAC_LIMIT", "ATTACK_PREVENT", "ACL_FWD_ACTION",
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"OAMPDU", "OAM_MUX", "TRUNK_FILTER", "ACL_DROP", "IGR_BW",
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"ACL_METER", "VLAN_ACCEPT_FRAME_TYPE", "MSTP_SRC_DROP_DISABLED_BLOCKING", "SA_BLOCK", "DA_BLOCK",
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"STORM_CONTROL", "VLAN_EGR_FILTER", "MSTP_DESTINATION_DROP", "SRC_PORT_FILTER", "PORT_ISOLATION",
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"TX_MAX_FRAME_SIZE", "EGR_LINK_STATUS", "MAC_TX_DISABLE", "MAC_PAUSE_FRAME", "MAC_RX_DROP",
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"MIRROR_ISOLATE", "RX_FC", "EGR_QUEUE", "HSM_RUNOUT", "ROUTING_DISABLE", "INVALID_L2_NEXTHOP_ENTRY",
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"L3_MC_SRC_FLT", "CPUTAG_FLT", "FWD_PMSK_NULL", "IPUC_ROUTING_LOOKUP_MISS", "MY_DEV_DROP",
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"STACK_NONUC_BLOCKING_PMSK", "STACK_PORT_NOT_FOUND", "ACL_LOOPBACK_DROP", "IP6_ROUTING_EXT_HEADER"
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};
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static ssize_t rtl838x_common_read(char __user *buffer, size_t count,
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loff_t *ppos, unsigned int value)
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{
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@ -134,6 +190,61 @@ static const struct file_operations stp_state_fops = {
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.write = stp_state_write,
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};
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static ssize_t drop_counter_read(struct file *filp, char __user *buffer, size_t count,
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loff_t *ppos)
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{
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struct rtl838x_switch_priv *priv = filp->private_data;
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int i;
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const char **d;
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u32 v;
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char *buf;
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int n = 0, len, offset;
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int num;
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switch (priv->family_id) {
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case RTL8380_FAMILY_ID:
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d = rtl838x_drop_cntr;
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offset = RTL838X_STAT_PRVTE_DROP_COUNTERS;
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num = 40;
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break;
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case RTL8390_FAMILY_ID:
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d = rtl839x_drop_cntr;
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offset = RTL839X_STAT_PRVTE_DROP_COUNTERS;
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num = 45;
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break;
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case RTL9300_FAMILY_ID:
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d = rtl930x_drop_cntr;
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offset = RTL930X_STAT_PRVTE_DROP_COUNTERS;
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num = 85;
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break;
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}
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buf = kmalloc(30 * num, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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for (i = 0; i < num; i++) {
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v = sw_r32(offset + (i << 2)) & 0xffff;
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n += sprintf(buf + n, "%s: %d\n", d[i], v);
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}
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if (count < strlen(buf)) {
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kfree(buf);
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return -ENOSPC;
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}
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len = simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
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kfree(buf);
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return len;
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}
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static const struct file_operations drop_counter_fops = {
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.owner = THIS_MODULE,
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.open = simple_open,
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.read = drop_counter_read,
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};
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static ssize_t age_out_read(struct file *filp, char __user *buffer, size_t count,
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loff_t *ppos)
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{
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@ -470,7 +581,23 @@ void rtl838x_dbgfs_init(struct rtl838x_switch_priv *priv)
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if (ret)
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goto err;
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debugfs_create_file("drop_counters", 0400, rtl838x_dir, priv, &drop_counter_fops);
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return;
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err:
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rtl838x_dbgfs_cleanup(priv);
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}
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void rtl930x_dbgfs_init(struct rtl838x_switch_priv *priv)
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{
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struct dentry *dbg_dir;
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pr_info("%s called\n", __func__);
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dbg_dir = debugfs_lookup(RTL838X_DRIVER_NAME, NULL);
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if (!dbg_dir)
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dbg_dir = debugfs_create_dir(RTL838X_DRIVER_NAME, NULL);
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priv->dbgfs_dir = dbg_dir;
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debugfs_create_file("drop_counters", 0400, dbg_dir, priv, &drop_counter_fops);
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}
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