__le16 cap;
#define ICE_AQC_CAPS_VALID_FUNCTIONS 0x0005
#define ICE_AQC_CAPS_VSI 0x0017
+#define ICE_AQC_CAPS_DCB 0x0018
#define ICE_AQC_CAPS_RSS 0x0040
#define ICE_AQC_CAPS_RXQS 0x0041
#define ICE_AQC_CAPS_TXQS 0x0042
#pragma pack()
+/* PFC Ignore (direct 0x0301)
+ * The command and response use the same descriptor structure
+ */
+struct ice_aqc_pfc_ignore {
+ u8 tc_bitmap;
+ u8 cmd_flags; /* unused in response */
+#define ICE_AQC_PFC_IGNORE_SET BIT(7)
+#define ICE_AQC_PFC_IGNORE_CLEAR 0
+ u8 reserved[14];
+};
+
+/* Set PFC Mode (direct 0x0303)
+ * Query PFC Mode (direct 0x0302)
+ */
+struct ice_aqc_set_query_pfc_mode {
+ u8 pfc_mode;
+/* For Set Command response, reserved in all other cases */
+#define ICE_AQC_PFC_NOT_CONFIGURED 0
+/* For Query Command response, reserved in all other cases */
+#define ICE_AQC_DCB_DIS 0
+#define ICE_AQC_PFC_VLAN_BASED_PFC 1
+#define ICE_AQC_PFC_DSCP_BASED_PFC 2
+ u8 rsvd[15];
+};
+
+/* Set DCB Parameters (direct 0x0306) */
+struct ice_aqc_set_dcb_params {
+ u8 cmd_flags; /* unused in response */
+#define ICE_AQC_LINK_UP_DCB_CFG BIT(0)
+ u8 valid_flags; /* unused in response */
+#define ICE_AQC_LINK_UP_DCB_CFG_VALID BIT(0)
+ u8 rsvd[14];
+};
+
/* Get Default Topology (indirect 0x0400) */
struct ice_aqc_get_topo {
};
+/* Query Port ETS (indirect 0x040E)
+ *
+ * This indirect command is used to query port TC node configuration.
+ */
+struct ice_aqc_query_port_ets {
+ __le32 port_teid;
+ __le32 reserved;
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+struct ice_aqc_port_ets_elem {
+ u8 tc_valid_bits;
+ u8 reserved[3];
+ /* 3 bits for UP per TC 0-7, 4th byte reserved */
+ __le32 up2tc;
+ u8 tc_bw_share[8];
+ __le32 port_eir_prof_id;
+ __le32 port_cir_prof_id;
+ /* 3 bits per Node priority to TC 0-7, 4th byte reserved */
+ __le32 tc_node_prio;
+#define ICE_TC_NODE_PRIO_S 0x4
+ u8 reserved1[4];
+ __le32 tc_node_teid[8]; /* Used for response, reserved in command */
+};
+
/* Rate limiting profile for
* Add RL profile (indirect 0x0410)
+/* Get LLDP MIB (indirect 0x0A00)
+ * Note: This is also used by the LLDP MIB Change Event (0x0A01)
+ * as the format is the same.
+ */
+struct ice_aqc_lldp_get_mib {
+ u8 type;
+#define ICE_AQ_LLDP_MIB_TYPE_S 0
+#define ICE_AQ_LLDP_MIB_TYPE_M (0x3 << ICE_AQ_LLDP_MIB_TYPE_S)
+#define ICE_AQ_LLDP_MIB_LOCAL 0
+#define ICE_AQ_LLDP_MIB_REMOTE 1
+#define ICE_AQ_LLDP_MIB_LOCAL_AND_REMOTE 2
+#define ICE_AQ_LLDP_BRID_TYPE_S 2
+#define ICE_AQ_LLDP_BRID_TYPE_M (0x3 << ICE_AQ_LLDP_BRID_TYPE_S)
+#define ICE_AQ_LLDP_BRID_TYPE_NEAREST_BRID 0
+#define ICE_AQ_LLDP_BRID_TYPE_NON_TPMR 1
+/* Tx pause flags in the 0xA01 event use ICE_AQ_LLDP_TX_* */
+#define ICE_AQ_LLDP_TX_S 0x4
+#define ICE_AQ_LLDP_TX_M (0x03 << ICE_AQ_LLDP_TX_S)
+#define ICE_AQ_LLDP_TX_ACTIVE 0
+#define ICE_AQ_LLDP_TX_SUSPENDED 1
+#define ICE_AQ_LLDP_TX_FLUSHED 3
+/* The following bytes are reserved for the Get LLDP MIB command (0x0A00)
+ * and in the LLDP MIB Change Event (0x0A01). They are valid for the
+ * Get LLDP MIB (0x0A00) response only.
+ */
+ u8 reserved1;
+ __le16 local_len;
+ __le16 remote_len;
+ u8 reserved2[2];
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+/* Configure LLDP MIB Change Event (direct 0x0A01) */
+/* For MIB Change Event use ice_aqc_lldp_get_mib structure above */
+struct ice_aqc_lldp_set_mib_change {
+ u8 command;
+#define ICE_AQ_LLDP_MIB_UPDATE_ENABLE 0x0
+#define ICE_AQ_LLDP_MIB_UPDATE_DIS 0x1
+ u8 reserved[15];
+};
+
+/* Add LLDP TLV (indirect 0x0A02)
+ * Delete LLDP TLV (indirect 0x0A04)
+ */
+struct ice_aqc_lldp_add_delete_tlv {
+ u8 type; /* only nearest bridge and non-TPMR from 0x0A00 */
+ u8 reserved1[1];
+ __le16 len;
+ u8 reserved2[4];
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+/* Update LLDP TLV (indirect 0x0A03) */
+struct ice_aqc_lldp_update_tlv {
+ u8 type; /* only nearest bridge and non-TPMR from 0x0A00 */
+ u8 reserved;
+ __le16 old_len;
+ __le16 new_offset;
+ __le16 new_len;
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+/* Stop LLDP (direct 0x0A05) */
+struct ice_aqc_lldp_stop {
+ u8 command;
+#define ICE_AQ_LLDP_AGENT_STATE_MASK BIT(0)
+#define ICE_AQ_LLDP_AGENT_STOP 0x0
+#define ICE_AQ_LLDP_AGENT_SHUTDOWN ICE_AQ_LLDP_AGENT_STATE_MASK
+#define ICE_AQ_LLDP_AGENT_PERSIST_DIS BIT(1)
+ u8 reserved[15];
+};
+
+/* Start LLDP (direct 0x0A06) */
+struct ice_aqc_lldp_start {
+ u8 command;
+#define ICE_AQ_LLDP_AGENT_START BIT(0)
+#define ICE_AQ_LLDP_AGENT_PERSIST_ENA BIT(1)
+ u8 reserved[15];
+};
+
+/* Get CEE DCBX Oper Config (0x0A07)
+ * The command uses the generic descriptor struct and
+ * returns the struct below as an indirect response.
+ */
+struct ice_aqc_get_cee_dcb_cfg_resp {
+ u8 oper_num_tc;
+ u8 oper_prio_tc[4];
+ u8 oper_tc_bw[8];
+ u8 oper_pfc_en;
+ __le16 oper_app_prio;
+#define ICE_AQC_CEE_APP_FCOE_S 0
+#define ICE_AQC_CEE_APP_FCOE_M (0x7 << ICE_AQC_CEE_APP_FCOE_S)
+#define ICE_AQC_CEE_APP_ISCSI_S 3
+#define ICE_AQC_CEE_APP_ISCSI_M (0x7 << ICE_AQC_CEE_APP_ISCSI_S)
+#define ICE_AQC_CEE_APP_FIP_S 8
+#define ICE_AQC_CEE_APP_FIP_M (0x7 << ICE_AQC_CEE_APP_FIP_S)
+ __le32 tlv_status;
+#define ICE_AQC_CEE_PG_STATUS_S 0
+#define ICE_AQC_CEE_PG_STATUS_M (0x7 << ICE_AQC_CEE_PG_STATUS_S)
+#define ICE_AQC_CEE_PFC_STATUS_S 3
+#define ICE_AQC_CEE_PFC_STATUS_M (0x7 << ICE_AQC_CEE_PFC_STATUS_S)
+#define ICE_AQC_CEE_FCOE_STATUS_S 8
+#define ICE_AQC_CEE_FCOE_STATUS_M (0x7 << ICE_AQC_CEE_FCOE_STATUS_S)
+#define ICE_AQC_CEE_ISCSI_STATUS_S 11
+#define ICE_AQC_CEE_ISCSI_STATUS_M (0x7 << ICE_AQC_CEE_ISCSI_STATUS_S)
+#define ICE_AQC_CEE_FIP_STATUS_S 16
+#define ICE_AQC_CEE_FIP_STATUS_M (0x7 << ICE_AQC_CEE_FIP_STATUS_S)
+ u8 reserved[12];
+};
+
+/* Set Local LLDP MIB (indirect 0x0A08)
+ * Used to replace the local MIB of a given LLDP agent. e.g. DCBx
+ */
+struct ice_aqc_lldp_set_local_mib {
+ u8 type;
+#define SET_LOCAL_MIB_TYPE_DCBX_M BIT(0)
+#define SET_LOCAL_MIB_TYPE_LOCAL_MIB 0
+#define SET_LOCAL_MIB_TYPE_CEE_M BIT(1)
+#define SET_LOCAL_MIB_TYPE_CEE_WILLING 0
+#define SET_LOCAL_MIB_TYPE_CEE_NON_WILLING SET_LOCAL_MIB_TYPE_CEE_M
+ u8 reserved0;
+ __le16 length;
+ u8 reserved1[4];
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+struct ice_aqc_lldp_set_local_mib_resp {
+ u8 status;
+#define SET_LOCAL_MIB_RESP_EVENT_M BIT(0)
+#define SET_LOCAL_MIB_RESP_MIB_CHANGE_SILENT 0
+#define SET_LOCAL_MIB_RESP_MIB_CHANGE_EVENT SET_LOCAL_MIB_RESP_EVENT_M
+ u8 reserved[15];
+};
+
+/* Stop/Start LLDP Agent (direct 0x0A09)
+ * Used for stopping/starting specific LLDP agent. e.g. DCBx.
+ * The same structure is used for the response, with the command field
+ * being used as the status field.
+ */
+struct ice_aqc_lldp_stop_start_specific_agent {
+ u8 command;
+#define ICE_AQC_START_STOP_AGENT_M BIT(0)
+#define ICE_AQC_START_STOP_AGENT_STOP_DCBX 0
+#define ICE_AQC_START_STOP_AGENT_START_DCBX ICE_AQC_START_STOP_AGENT_M
+ u8 reserved[15];
+};
+
/* Get/Set RSS key (indirect 0x0B04/0x0B02) */
struct ice_aqc_get_set_rss_key {
struct ice_aqc_query_txsched_res query_sched_res;
struct ice_aqc_query_node_to_root query_node_to_root;
struct ice_aqc_cfg_l2_node_cgd cfg_l2_node_cgd;
+ struct ice_aqc_query_port_ets port_ets;
struct ice_aqc_rl_profile rl_profile;
struct ice_aqc_nvm nvm;
struct ice_aqc_nvm_cfg nvm_cfg;
struct ice_aqc_nvm_checksum nvm_checksum;
+ struct ice_aqc_pfc_ignore pfc_ignore;
+ struct ice_aqc_set_query_pfc_mode set_query_pfc_mode;
+ struct ice_aqc_set_dcb_params set_dcb_params;
+ struct ice_aqc_lldp_get_mib lldp_get_mib;
+ struct ice_aqc_lldp_set_mib_change lldp_set_event;
+ struct ice_aqc_lldp_add_delete_tlv lldp_add_delete_tlv;
+ struct ice_aqc_lldp_update_tlv lldp_update_tlv;
+ struct ice_aqc_lldp_stop lldp_stop;
+ struct ice_aqc_lldp_start lldp_start;
+ struct ice_aqc_lldp_set_local_mib lldp_set_mib;
+ struct ice_aqc_lldp_stop_start_specific_agent lldp_agent_ctrl;
struct ice_aqc_get_set_rss_lut get_set_rss_lut;
struct ice_aqc_get_set_rss_key get_set_rss_key;
struct ice_aqc_add_txqs add_txqs;
/* PXE */
ice_aqc_opc_clear_pxe_mode = 0x0110,
+ ice_aqc_opc_config_no_drop_policy = 0x0112,
+
/* internal switch commands */
ice_aqc_opc_get_sw_cfg = 0x0200,
ice_aqc_opc_get_sw_rules = 0x02A3,
ice_aqc_opc_clear_pf_cfg = 0x02A4,
+ /* DCB commands */
+ ice_aqc_opc_pfc_ignore = 0x0301,
+ ice_aqc_opc_query_pfc_mode = 0x0302,
+ ice_aqc_opc_set_pfc_mode = 0x0303,
+ ice_aqc_opc_set_dcb_params = 0x0306,
/* transmit scheduler commands */
ice_aqc_opc_get_dflt_topo = 0x0400,
ice_aqc_opc_move_sched_elems = 0x0408,
ice_aqc_opc_suspend_sched_elems = 0x0409,
ice_aqc_opc_resume_sched_elems = 0x040A,
+ ice_aqc_opc_query_port_ets = 0x040E,
ice_aqc_opc_delete_sched_elems = 0x040F,
ice_aqc_opc_add_rl_profiles = 0x0410,
ice_aqc_opc_query_rl_profiles = 0x0411,
ice_aqc_opc_nvm_cfg_write = 0x0705,
ice_aqc_opc_nvm_checksum = 0x0706,
+ /* LLDP commands */
+ ice_aqc_opc_lldp_get_mib = 0x0A00,
+ ice_aqc_opc_lldp_set_mib_change = 0x0A01,
+ ice_aqc_opc_lldp_add_tlv = 0x0A02,
+ ice_aqc_opc_lldp_update_tlv = 0x0A03,
+ ice_aqc_opc_lldp_delete_tlv = 0x0A04,
+ ice_aqc_opc_lldp_stop = 0x0A05,
+ ice_aqc_opc_lldp_start = 0x0A06,
+ ice_aqc_opc_get_cee_dcb_cfg = 0x0A07,
+ ice_aqc_opc_lldp_set_local_mib = 0x0A08,
+ ice_aqc_opc_lldp_stop_start_specific_agent = 0x0A09,
/* RSS commands */
ice_aqc_opc_set_rss_key = 0x0B02,
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2019
+ */
+
+#include "ice_common.h"
+#include "ice_sched.h"
+#include "ice_dcb.h"
+
+/**
+ * ice_aq_get_lldp_mib
+ * @hw: pointer to the HW struct
+ * @bridge_type: type of bridge requested
+ * @mib_type: Local, Remote or both Local and Remote MIBs
+ * @buf: pointer to the caller-supplied buffer to store the MIB block
+ * @buf_size: size of the buffer (in bytes)
+ * @local_len: length of the returned Local LLDP MIB
+ * @remote_len: length of the returned Remote LLDP MIB
+ * @cd: pointer to command details structure or NULL
+ *
+ * Requests the complete LLDP MIB (entire packet). (0x0A00)
+ */
+enum ice_status
+ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf,
+ u16 buf_size, u16 *local_len, u16 *remote_len,
+ struct ice_sq_cd *cd)
+{
+ struct ice_aqc_lldp_get_mib *cmd;
+ struct ice_aq_desc desc;
+ enum ice_status status;
+
+ cmd = &desc.params.lldp_get_mib;
+
+ if (buf_size == 0 || !buf)
+ return ICE_ERR_PARAM;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_get_mib);
+
+ cmd->type = mib_type & ICE_AQ_LLDP_MIB_TYPE_M;
+ cmd->type |= (bridge_type << ICE_AQ_LLDP_BRID_TYPE_S) &
+ ICE_AQ_LLDP_BRID_TYPE_M;
+
+ desc.datalen = CPU_TO_LE16(buf_size);
+
+ status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
+ if (!status) {
+ if (local_len)
+ *local_len = LE16_TO_CPU(cmd->local_len);
+ if (remote_len)
+ *remote_len = LE16_TO_CPU(cmd->remote_len);
+ }
+
+ return status;
+}
+
+/**
+ * ice_aq_cfg_lldp_mib_change
+ * @hw: pointer to the HW struct
+ * @ena_update: Enable or Disable event posting
+ * @cd: pointer to command details structure or NULL
+ *
+ * Enable or Disable posting of an event on ARQ when LLDP MIB
+ * associated with the interface changes (0x0A01)
+ */
+enum ice_status
+ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
+ struct ice_sq_cd *cd)
+{
+ struct ice_aqc_lldp_set_mib_change *cmd;
+ struct ice_aq_desc desc;
+
+ cmd = &desc.params.lldp_set_event;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_mib_change);
+
+ if (!ena_update)
+ cmd->command |= ICE_AQ_LLDP_MIB_UPDATE_DIS;
+
+ return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
+}
+
+/**
+ * ice_aq_stop_lldp
+ * @hw: pointer to the HW struct
+ * @shutdown_lldp_agent: True if LLDP Agent needs to be Shutdown
+ * False if LLDP Agent needs to be Stopped
+ * @cd: pointer to command details structure or NULL
+ *
+ * Stop or Shutdown the embedded LLDP Agent (0x0A05)
+ */
+enum ice_status
+ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent,
+ struct ice_sq_cd *cd)
+{
+ struct ice_aqc_lldp_stop *cmd;
+ struct ice_aq_desc desc;
+
+ cmd = &desc.params.lldp_stop;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_stop);
+
+ if (shutdown_lldp_agent)
+ cmd->command |= ICE_AQ_LLDP_AGENT_SHUTDOWN;
+
+ return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
+}
+
+/**
+ * ice_aq_start_lldp
+ * @hw: pointer to the HW struct
+ * @cd: pointer to command details structure or NULL
+ *
+ * Start the embedded LLDP Agent on all ports. (0x0A06)
+ */
+enum ice_status ice_aq_start_lldp(struct ice_hw *hw, struct ice_sq_cd *cd)
+{
+ struct ice_aqc_lldp_start *cmd;
+ struct ice_aq_desc desc;
+
+ cmd = &desc.params.lldp_start;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_start);
+
+ cmd->command = ICE_AQ_LLDP_AGENT_START;
+
+ return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
+}
+
+/**
+ * ice_aq_set_lldp_mib - Set the LLDP MIB
+ * @hw: pointer to the HW struct
+ * @mib_type: Local, Remote or both Local and Remote MIBs
+ * @buf: pointer to the caller-supplied buffer to store the MIB block
+ * @buf_size: size of the buffer (in bytes)
+ * @cd: pointer to command details structure or NULL
+ *
+ * Set the LLDP MIB. (0x0A08)
+ */
+enum ice_status
+ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
+ struct ice_sq_cd *cd)
+{
+ struct ice_aqc_lldp_set_local_mib *cmd;
+ struct ice_aq_desc desc;
+
+ cmd = &desc.params.lldp_set_mib;
+
+ if (buf_size == 0 || !buf)
+ return ICE_ERR_PARAM;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
+
+ desc.flags |= CPU_TO_LE16((u16)ICE_AQ_FLAG_RD);
+ desc.datalen = CPU_TO_LE16(buf_size);
+
+ cmd->type = mib_type;
+ cmd->length = CPU_TO_LE16(buf_size);
+
+ return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
+}
+
+/**
+ * ice_get_dcbx_status
+ * @hw: pointer to the HW struct
+ *
+ * Get the DCBX status from the Firmware
+ */
+u8 ice_get_dcbx_status(struct ice_hw *hw)
+{
+ u32 reg;
+
+ reg = rd32(hw, PRTDCB_GENS);
+ return (u8)((reg & PRTDCB_GENS_DCBX_STATUS_M) >>
+ PRTDCB_GENS_DCBX_STATUS_S);
+}
+
+/**
+ * ice_parse_ieee_ets_common_tlv
+ * @buf: Data buffer to be parsed for ETS CFG/REC data
+ * @ets_cfg: Container to store parsed data
+ *
+ * Parses the common data of IEEE 802.1Qaz ETS CFG/REC TLV
+ */
+static void
+ice_parse_ieee_ets_common_tlv(u8 *buf, struct ice_dcb_ets_cfg *ets_cfg)
+{
+ u8 offset = 0;
+ int i;
+
+ /* Priority Assignment Table (4 octets)
+ * Octets:| 1 | 2 | 3 | 4 |
+ * -----------------------------------------
+ * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7|
+ * -----------------------------------------
+ * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0|
+ * -----------------------------------------
+ */
+ for (i = 0; i < 4; i++) {
+ ets_cfg->prio_table[i * 2] =
+ ((buf[offset] & ICE_IEEE_ETS_PRIO_1_M) >>
+ ICE_IEEE_ETS_PRIO_1_S);
+ ets_cfg->prio_table[i * 2 + 1] =
+ ((buf[offset] & ICE_IEEE_ETS_PRIO_0_M) >>
+ ICE_IEEE_ETS_PRIO_0_S);
+ offset++;
+ }
+
+ /* TC Bandwidth Table (8 octets)
+ * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
+ * ---------------------------------
+ * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
+ * ---------------------------------
+ *
+ * TSA Assignment Table (8 octets)
+ * Octets:| 9 | 10| 11| 12| 13| 14| 15| 16|
+ * ---------------------------------
+ * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
+ * ---------------------------------
+ */
+ ice_for_each_traffic_class(i) {
+ ets_cfg->tcbwtable[i] = buf[offset];
+ ets_cfg->tsatable[i] = buf[ICE_MAX_TRAFFIC_CLASS + offset++];
+ }
+}
+
+/**
+ * ice_parse_ieee_etscfg_tlv
+ * @tlv: IEEE 802.1Qaz ETS CFG TLV
+ * @dcbcfg: Local store to update ETS CFG data
+ *
+ * Parses IEEE 802.1Qaz ETS CFG TLV
+ */
+static void
+ice_parse_ieee_etscfg_tlv(struct ice_lldp_org_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ struct ice_dcb_ets_cfg *etscfg;
+ u8 *buf = tlv->tlvinfo;
+
+ /* First Octet post subtype
+ * --------------------------
+ * |will-|CBS | Re- | Max |
+ * |ing | |served| TCs |
+ * --------------------------
+ * |1bit | 1bit|3 bits|3bits|
+ */
+ etscfg = &dcbcfg->etscfg;
+ etscfg->willing = ((buf[0] & ICE_IEEE_ETS_WILLING_M) >>
+ ICE_IEEE_ETS_WILLING_S);
+ etscfg->cbs = ((buf[0] & ICE_IEEE_ETS_CBS_M) >> ICE_IEEE_ETS_CBS_S);
+ etscfg->maxtcs = ((buf[0] & ICE_IEEE_ETS_MAXTC_M) >>
+ ICE_IEEE_ETS_MAXTC_S);
+
+ /* Begin parsing at Priority Assignment Table (offset 1 in buf) */
+ ice_parse_ieee_ets_common_tlv(&buf[1], etscfg);
+}
+
+/**
+ * ice_parse_ieee_etsrec_tlv
+ * @tlv: IEEE 802.1Qaz ETS REC TLV
+ * @dcbcfg: Local store to update ETS REC data
+ *
+ * Parses IEEE 802.1Qaz ETS REC TLV
+ */
+static void
+ice_parse_ieee_etsrec_tlv(struct ice_lldp_org_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ u8 *buf = tlv->tlvinfo;
+
+ /* Begin parsing at Priority Assignment Table (offset 1 in buf) */
+ ice_parse_ieee_ets_common_tlv(&buf[1], &dcbcfg->etsrec);
+}
+
+/**
+ * ice_parse_ieee_pfccfg_tlv
+ * @tlv: IEEE 802.1Qaz PFC CFG TLV
+ * @dcbcfg: Local store to update PFC CFG data
+ *
+ * Parses IEEE 802.1Qaz PFC CFG TLV
+ */
+static void
+ice_parse_ieee_pfccfg_tlv(struct ice_lldp_org_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ u8 *buf = tlv->tlvinfo;
+
+ /* ----------------------------------------
+ * |will-|MBC | Re- | PFC | PFC Enable |
+ * |ing | |served| cap | |
+ * -----------------------------------------
+ * |1bit | 1bit|2 bits|4bits| 1 octet |
+ */
+ dcbcfg->pfc.willing = ((buf[0] & ICE_IEEE_PFC_WILLING_M) >>
+ ICE_IEEE_PFC_WILLING_S);
+ dcbcfg->pfc.mbc = ((buf[0] & ICE_IEEE_PFC_MBC_M) >> ICE_IEEE_PFC_MBC_S);
+ dcbcfg->pfc.pfccap = ((buf[0] & ICE_IEEE_PFC_CAP_M) >>
+ ICE_IEEE_PFC_CAP_S);
+ dcbcfg->pfc.pfcena = buf[1];
+}
+
+/**
+ * ice_parse_ieee_app_tlv
+ * @tlv: IEEE 802.1Qaz APP TLV
+ * @dcbcfg: Local store to update APP PRIO data
+ *
+ * Parses IEEE 802.1Qaz APP PRIO TLV
+ */
+static void
+ice_parse_ieee_app_tlv(struct ice_lldp_org_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ u16 offset = 0;
+ u16 typelen;
+ int i = 0;
+ u16 len;
+ u8 *buf;
+
+ typelen = NTOHS(tlv->typelen);
+ len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S);
+ buf = tlv->tlvinfo;
+
+ /* Removing sizeof(ouisubtype) and reserved byte from len.
+ * Remaining len div 3 is number of APP TLVs.
+ */
+ len -= (sizeof(tlv->ouisubtype) + 1);
+
+ /* Move offset to App Priority Table */
+ offset++;
+
+ /* Application Priority Table (3 octets)
+ * Octets:| 1 | 2 | 3 |
+ * -----------------------------------------
+ * |Priority|Rsrvd| Sel | Protocol ID |
+ * -----------------------------------------
+ * Bits:|23 21|20 19|18 16|15 0|
+ * -----------------------------------------
+ */
+ while (offset < len) {
+ dcbcfg->app[i].priority = ((buf[offset] &
+ ICE_IEEE_APP_PRIO_M) >>
+ ICE_IEEE_APP_PRIO_S);
+ dcbcfg->app[i].selector = ((buf[offset] &
+ ICE_IEEE_APP_SEL_M) >>
+ ICE_IEEE_APP_SEL_S);
+ dcbcfg->app[i].prot_id = (buf[offset + 1] << 0x8) |
+ buf[offset + 2];
+ /* Move to next app */
+ offset += 3;
+ i++;
+ if (i >= ICE_DCBX_MAX_APPS)
+ break;
+ }
+
+ dcbcfg->numapps = i;
+}
+
+/**
+ * ice_parse_ieee_tlv
+ * @tlv: IEEE 802.1Qaz TLV
+ * @dcbcfg: Local store to update ETS REC data
+ *
+ * Get the TLV subtype and send it to parsing function
+ * based on the subtype value
+ */
+static void
+ice_parse_ieee_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
+{
+ u32 ouisubtype;
+ u8 subtype;
+
+ ouisubtype = NTOHL(tlv->ouisubtype);
+ subtype = (u8)((ouisubtype & ICE_LLDP_TLV_SUBTYPE_M) >>
+ ICE_LLDP_TLV_SUBTYPE_S);
+ switch (subtype) {
+ case ICE_IEEE_SUBTYPE_ETS_CFG:
+ ice_parse_ieee_etscfg_tlv(tlv, dcbcfg);
+ break;
+ case ICE_IEEE_SUBTYPE_ETS_REC:
+ ice_parse_ieee_etsrec_tlv(tlv, dcbcfg);
+ break;
+ case ICE_IEEE_SUBTYPE_PFC_CFG:
+ ice_parse_ieee_pfccfg_tlv(tlv, dcbcfg);
+ break;
+ case ICE_IEEE_SUBTYPE_APP_PRI:
+ ice_parse_ieee_app_tlv(tlv, dcbcfg);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * ice_parse_cee_pgcfg_tlv
+ * @tlv: CEE DCBX PG CFG TLV
+ * @dcbcfg: Local store to update ETS CFG data
+ *
+ * Parses CEE DCBX PG CFG TLV
+ */
+static void
+ice_parse_cee_pgcfg_tlv(struct ice_cee_feat_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ struct ice_dcb_ets_cfg *etscfg;
+ u8 *buf = tlv->tlvinfo;
+ u16 offset = 0;
+ int i;
+
+ etscfg = &dcbcfg->etscfg;
+
+ if (tlv->en_will_err & ICE_CEE_FEAT_TLV_WILLING_M)
+ etscfg->willing = 1;
+
+ etscfg->cbs = 0;
+ /* Priority Group Table (4 octets)
+ * Octets:| 1 | 2 | 3 | 4 |
+ * -----------------------------------------
+ * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7|
+ * -----------------------------------------
+ * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0|
+ * -----------------------------------------
+ */
+ for (i = 0; i < 4; i++) {
+ etscfg->prio_table[i * 2] =
+ ((buf[offset] & ICE_CEE_PGID_PRIO_1_M) >>
+ ICE_CEE_PGID_PRIO_1_S);
+ etscfg->prio_table[i * 2 + 1] =
+ ((buf[offset] & ICE_CEE_PGID_PRIO_0_M) >>
+ ICE_CEE_PGID_PRIO_0_S);
+ offset++;
+ }
+
+ /* PG Percentage Table (8 octets)
+ * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
+ * ---------------------------------
+ * |pg0|pg1|pg2|pg3|pg4|pg5|pg6|pg7|
+ * ---------------------------------
+ */
+ ice_for_each_traffic_class(i)
+ etscfg->tcbwtable[i] = buf[offset++];
+
+ /* Number of TCs supported (1 octet) */
+ etscfg->maxtcs = buf[offset];
+}
+
+/**
+ * ice_parse_cee_pfccfg_tlv
+ * @tlv: CEE DCBX PFC CFG TLV
+ * @dcbcfg: Local store to update PFC CFG data
+ *
+ * Parses CEE DCBX PFC CFG TLV
+ */
+static void
+ice_parse_cee_pfccfg_tlv(struct ice_cee_feat_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ u8 *buf = tlv->tlvinfo;
+
+ if (tlv->en_will_err & ICE_CEE_FEAT_TLV_WILLING_M)
+ dcbcfg->pfc.willing = 1;
+
+ /* ------------------------
+ * | PFC Enable | PFC TCs |
+ * ------------------------
+ * | 1 octet | 1 octet |
+ */
+ dcbcfg->pfc.pfcena = buf[0];
+ dcbcfg->pfc.pfccap = buf[1];
+}
+
+/**
+ * ice_parse_cee_app_tlv
+ * @tlv: CEE DCBX APP TLV
+ * @dcbcfg: Local store to update APP PRIO data
+ *
+ * Parses CEE DCBX APP PRIO TLV
+ */
+static void
+ice_parse_cee_app_tlv(struct ice_cee_feat_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
+{
+ u16 len, typelen, offset = 0;
+ struct ice_cee_app_prio *app;
+ u8 i;
+
+ typelen = NTOHS(tlv->hdr.typelen);
+ len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S);
+
+ dcbcfg->numapps = len / sizeof(*app);
+ if (!dcbcfg->numapps)
+ return;
+ if (dcbcfg->numapps > ICE_DCBX_MAX_APPS)
+ dcbcfg->numapps = ICE_DCBX_MAX_APPS;
+
+ for (i = 0; i < dcbcfg->numapps; i++) {
+ u8 up, selector;
+
+ app = (struct ice_cee_app_prio *)(tlv->tlvinfo + offset);
+ for (up = 0; up < ICE_MAX_USER_PRIORITY; up++)
+ if (app->prio_map & BIT(up))
+ break;
+
+ dcbcfg->app[i].priority = up;
+
+ /* Get Selector from lower 2 bits, and convert to IEEE */
+ selector = (app->upper_oui_sel & ICE_CEE_APP_SELECTOR_M);
+ switch (selector) {
+ case ICE_CEE_APP_SEL_ETHTYPE:
+ dcbcfg->app[i].selector = ICE_APP_SEL_ETHTYPE;
+ break;
+ case ICE_CEE_APP_SEL_TCPIP:
+ dcbcfg->app[i].selector = ICE_APP_SEL_TCPIP;
+ break;
+ default:
+ /* Keep selector as it is for unknown types */
+ dcbcfg->app[i].selector = selector;
+ }
+
+ dcbcfg->app[i].prot_id = NTOHS(app->protocol);
+ /* Move to next app */
+ offset += sizeof(*app);
+ }
+}
+
+/**
+ * ice_parse_cee_tlv
+ * @tlv: CEE DCBX TLV
+ * @dcbcfg: Local store to update DCBX config data
+ *
+ * Get the TLV subtype and send it to parsing function
+ * based on the subtype value
+ */
+static void
+ice_parse_cee_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
+{
+ struct ice_cee_feat_tlv *sub_tlv;
+ u8 subtype, feat_tlv_count = 0;
+ u16 len, tlvlen, typelen;
+ u32 ouisubtype;
+
+ ouisubtype = NTOHL(tlv->ouisubtype);
+ subtype = (u8)((ouisubtype & ICE_LLDP_TLV_SUBTYPE_M) >>
+ ICE_LLDP_TLV_SUBTYPE_S);
+ /* Return if not CEE DCBX */
+ if (subtype != ICE_CEE_DCBX_TYPE)
+ return;
+
+ typelen = NTOHS(tlv->typelen);
+ tlvlen = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S);
+ len = sizeof(tlv->typelen) + sizeof(ouisubtype) +
+ sizeof(struct ice_cee_ctrl_tlv);
+ /* Return if no CEE DCBX Feature TLVs */
+ if (tlvlen <= len)
+ return;
+
+ sub_tlv = (struct ice_cee_feat_tlv *)((char *)tlv + len);
+ while (feat_tlv_count < ICE_CEE_MAX_FEAT_TYPE) {
+ u16 sublen;
+
+ typelen = NTOHS(sub_tlv->hdr.typelen);
+ sublen = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S);
+ subtype = (u8)((typelen & ICE_LLDP_TLV_TYPE_M) >>
+ ICE_LLDP_TLV_TYPE_S);
+ switch (subtype) {
+ case ICE_CEE_SUBTYPE_PG_CFG:
+ ice_parse_cee_pgcfg_tlv(sub_tlv, dcbcfg);
+ break;
+ case ICE_CEE_SUBTYPE_PFC_CFG:
+ ice_parse_cee_pfccfg_tlv(sub_tlv, dcbcfg);
+ break;
+ case ICE_CEE_SUBTYPE_APP_PRI:
+ ice_parse_cee_app_tlv(sub_tlv, dcbcfg);
+ break;
+ default:
+ return; /* Invalid Sub-type return */
+ }
+ feat_tlv_count++;
+ /* Move to next sub TLV */
+ sub_tlv = (struct ice_cee_feat_tlv *)
+ ((char *)sub_tlv + sizeof(sub_tlv->hdr.typelen) +
+ sublen);
+ }
+}
+
+/**
+ * ice_parse_org_tlv
+ * @tlv: Organization specific TLV
+ * @dcbcfg: Local store to update ETS REC data
+ *
+ * Currently only IEEE 802.1Qaz TLV is supported, all others
+ * will be returned
+ */
+static void
+ice_parse_org_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
+{
+ u32 ouisubtype;
+ u32 oui;
+
+ ouisubtype = NTOHL(tlv->ouisubtype);
+ oui = ((ouisubtype & ICE_LLDP_TLV_OUI_M) >> ICE_LLDP_TLV_OUI_S);
+ switch (oui) {
+ case ICE_IEEE_8021QAZ_OUI:
+ ice_parse_ieee_tlv(tlv, dcbcfg);
+ break;
+ case ICE_CEE_DCBX_OUI:
+ ice_parse_cee_tlv(tlv, dcbcfg);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * ice_lldp_to_dcb_cfg
+ * @lldpmib: LLDPDU to be parsed
+ * @dcbcfg: store for LLDPDU data
+ *
+ * Parse DCB configuration from the LLDPDU
+ */
+enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg)
+{
+ struct ice_lldp_org_tlv *tlv;
+ enum ice_status ret = ICE_SUCCESS;
+ u16 offset = 0;
+ u16 typelen;
+ u16 type;
+ u16 len;
+
+ if (!lldpmib || !dcbcfg)
+ return ICE_ERR_PARAM;
+
+ /* set to the start of LLDPDU */
+ lldpmib += ETH_HEADER_LEN;
+ tlv = (struct ice_lldp_org_tlv *)lldpmib;
+ while (1) {
+ typelen = NTOHS(tlv->typelen);
+ type = ((typelen & ICE_LLDP_TLV_TYPE_M) >> ICE_LLDP_TLV_TYPE_S);
+ len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S);
+ offset += sizeof(typelen) + len;
+
+ /* END TLV or beyond LLDPDU size */
+ if (type == ICE_TLV_TYPE_END || offset > ICE_LLDPDU_SIZE)
+ break;
+
+ switch (type) {
+ case ICE_TLV_TYPE_ORG:
+ ice_parse_org_tlv(tlv, dcbcfg);
+ break;
+ default:
+ break;
+ }
+
+ /* Move to next TLV */
+ tlv = (struct ice_lldp_org_tlv *)
+ ((char *)tlv + sizeof(tlv->typelen) + len);
+ }
+
+ return ret;
+}
+
+/**
+ * ice_aq_get_dcb_cfg
+ * @hw: pointer to the HW struct
+ * @mib_type: mib type for the query
+ * @bridgetype: bridge type for the query (remote)
+ * @dcbcfg: store for LLDPDU data
+ *
+ * Query DCB configuration from the firmware
+ */
+enum ice_status
+ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ enum ice_status ret;
+ u8 *lldpmib;
+
+ /* Allocate the LLDPDU */
+ lldpmib = (u8 *)ice_malloc(hw, ICE_LLDPDU_SIZE);
+ if (!lldpmib)
+ return ICE_ERR_NO_MEMORY;
+
+ ret = ice_aq_get_lldp_mib(hw, bridgetype, mib_type, (void *)lldpmib,
+ ICE_LLDPDU_SIZE, NULL, NULL, NULL);
+
+ if (ret == ICE_SUCCESS)
+ /* Parse LLDP MIB to get DCB configuration */
+ ret = ice_lldp_to_dcb_cfg(lldpmib, dcbcfg);
+
+ ice_free(hw, lldpmib);
+
+ return ret;
+}
+
+/**
+ * ice_aq_start_stop_dcbx - Start/Stop DCBx service in FW
+ * @hw: pointer to the HW struct
+ * @start_dcbx_agent: True if DCBx Agent needs to be started
+ * False if DCBx Agent needs to be stopped
+ * @dcbx_agent_status: FW indicates back the DCBx agent status
+ * True if DCBx Agent is active
+ * False if DCBx Agent is stopped
+ * @cd: pointer to command details structure or NULL
+ *
+ * Start/Stop the embedded dcbx Agent. In case that this wrapper function
+ * returns ICE_SUCCESS, caller will need to check if FW returns back the same
+ * value as stated in dcbx_agent_status, and react accordingly. (0x0A09)
+ */
+enum ice_status
+ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
+ bool *dcbx_agent_status, struct ice_sq_cd *cd)
+{
+ struct ice_aqc_lldp_stop_start_specific_agent *cmd;
+ enum ice_status status;
+ struct ice_aq_desc desc;
+ u16 opcode;
+
+ cmd = &desc.params.lldp_agent_ctrl;
+
+ opcode = ice_aqc_opc_lldp_stop_start_specific_agent;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, opcode);
+
+ if (start_dcbx_agent)
+ cmd->command = ICE_AQC_START_STOP_AGENT_START_DCBX;
+
+ status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
+
+ *dcbx_agent_status = false;
+
+ if (status == ICE_SUCCESS &&
+ cmd->command == ICE_AQC_START_STOP_AGENT_START_DCBX)
+ *dcbx_agent_status = true;
+
+ return status;
+}
+
+/**
+ * ice_aq_get_cee_dcb_cfg
+ * @hw: pointer to the HW struct
+ * @buff: response buffer that stores CEE operational configuration
+ * @cd: pointer to command details structure or NULL
+ *
+ * Get CEE DCBX mode operational configuration from firmware (0x0A07)
+ */
+enum ice_status
+ice_aq_get_cee_dcb_cfg(struct ice_hw *hw,
+ struct ice_aqc_get_cee_dcb_cfg_resp *buff,
+ struct ice_sq_cd *cd)
+{
+ struct ice_aq_desc desc;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cee_dcb_cfg);
+
+ return ice_aq_send_cmd(hw, &desc, (void *)buff, sizeof(*buff), cd);
+}
+
+/**
+ * ice_cee_to_dcb_cfg
+ * @cee_cfg: pointer to CEE configuration struct
+ * @dcbcfg: DCB configuration struct
+ *
+ * Convert CEE configuration from firmware to DCB configuration
+ */
+static void
+ice_cee_to_dcb_cfg(struct ice_aqc_get_cee_dcb_cfg_resp *cee_cfg,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ u32 status, tlv_status = LE32_TO_CPU(cee_cfg->tlv_status);
+ u32 ice_aqc_cee_status_mask, ice_aqc_cee_status_shift;
+ u16 app_prio = LE16_TO_CPU(cee_cfg->oper_app_prio);
+ u8 i, err, sync, oper, app_index, ice_app_sel_type;
+ u16 ice_aqc_cee_app_mask, ice_aqc_cee_app_shift;
+ u16 ice_app_prot_id_type;
+
+ /* CEE PG data to ETS config */
+ dcbcfg->etscfg.maxtcs = cee_cfg->oper_num_tc;
+
+ /* Note that the FW creates the oper_prio_tc nibbles reversed
+ * from those in the CEE Priority Group sub-TLV.
+ */
+ for (i = 0; i < ICE_MAX_TRAFFIC_CLASS / 2; i++) {
+ dcbcfg->etscfg.prio_table[i * 2] =
+ ((cee_cfg->oper_prio_tc[i] & ICE_CEE_PGID_PRIO_0_M) >>
+ ICE_CEE_PGID_PRIO_0_S);
+ dcbcfg->etscfg.prio_table[i * 2 + 1] =
+ ((cee_cfg->oper_prio_tc[i] & ICE_CEE_PGID_PRIO_1_M) >>
+ ICE_CEE_PGID_PRIO_1_S);
+ }
+
+ ice_for_each_traffic_class(i) {
+ dcbcfg->etscfg.tcbwtable[i] = cee_cfg->oper_tc_bw[i];
+
+ if (dcbcfg->etscfg.prio_table[i] == ICE_CEE_PGID_STRICT) {
+ /* Map it to next empty TC */
+ dcbcfg->etscfg.prio_table[i] = cee_cfg->oper_num_tc - 1;
+ dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_STRICT;
+ } else {
+ dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_ETS;
+ }
+ }
+
+ /* CEE PFC data to ETS config */
+ dcbcfg->pfc.pfcena = cee_cfg->oper_pfc_en;
+ dcbcfg->pfc.pfccap = ICE_MAX_TRAFFIC_CLASS;
+
+ app_index = 0;
+ for (i = 0; i < 3; i++) {
+ if (i == 0) {
+ /* FCoE APP */
+ ice_aqc_cee_status_mask = ICE_AQC_CEE_FCOE_STATUS_M;
+ ice_aqc_cee_status_shift = ICE_AQC_CEE_FCOE_STATUS_S;
+ ice_aqc_cee_app_mask = ICE_AQC_CEE_APP_FCOE_M;
+ ice_aqc_cee_app_shift = ICE_AQC_CEE_APP_FCOE_S;
+ ice_app_sel_type = ICE_APP_SEL_ETHTYPE;
+ ice_app_prot_id_type = ICE_APP_PROT_ID_FCOE;
+ } else if (i == 1) {
+ /* iSCSI APP */
+ ice_aqc_cee_status_mask = ICE_AQC_CEE_ISCSI_STATUS_M;
+ ice_aqc_cee_status_shift = ICE_AQC_CEE_ISCSI_STATUS_S;
+ ice_aqc_cee_app_mask = ICE_AQC_CEE_APP_ISCSI_M;
+ ice_aqc_cee_app_shift = ICE_AQC_CEE_APP_ISCSI_S;
+ ice_app_sel_type = ICE_APP_SEL_TCPIP;
+ ice_app_prot_id_type = ICE_APP_PROT_ID_ISCSI;
+ } else {
+ /* FIP APP */
+ ice_aqc_cee_status_mask = ICE_AQC_CEE_FIP_STATUS_M;
+ ice_aqc_cee_status_shift = ICE_AQC_CEE_FIP_STATUS_S;
+ ice_aqc_cee_app_mask = ICE_AQC_CEE_APP_FIP_M;
+ ice_aqc_cee_app_shift = ICE_AQC_CEE_APP_FIP_S;
+ ice_app_sel_type = ICE_APP_SEL_ETHTYPE;
+ ice_app_prot_id_type = ICE_APP_PROT_ID_FIP;
+ }
+
+ status = (tlv_status & ice_aqc_cee_status_mask) >>
+ ice_aqc_cee_status_shift;
+ err = (status & ICE_TLV_STATUS_ERR) ? 1 : 0;
+ sync = (status & ICE_TLV_STATUS_SYNC) ? 1 : 0;
+ oper = (status & ICE_TLV_STATUS_OPER) ? 1 : 0;
+ /* Add FCoE/iSCSI/FIP APP if Error is False and
+ * Oper/Sync is True
+ */
+ if (!err && sync && oper) {
+ dcbcfg->app[app_index].priority =
+ (app_prio & ice_aqc_cee_app_mask) >>
+ ice_aqc_cee_app_shift;
+ dcbcfg->app[app_index].selector = ice_app_sel_type;
+ dcbcfg->app[app_index].prot_id = ice_app_prot_id_type;
+ app_index++;
+ }
+ }
+
+ dcbcfg->numapps = app_index;
+}
+
+/**
+ * ice_get_ieee_dcb_cfg
+ * @pi: port information structure
+ * @dcbx_mode: mode of DCBX (IEEE or CEE)
+ *
+ * Get IEEE or CEE mode DCB configuration from the Firmware
+ */
+STATIC enum ice_status
+ice_get_ieee_or_cee_dcb_cfg(struct ice_port_info *pi, u8 dcbx_mode)
+{
+ struct ice_dcbx_cfg *dcbx_cfg = NULL;
+ enum ice_status ret;
+
+ if (!pi)
+ return ICE_ERR_PARAM;
+
+ if (dcbx_mode == ICE_DCBX_MODE_IEEE)
+ dcbx_cfg = &pi->local_dcbx_cfg;
+ else if (dcbx_mode == ICE_DCBX_MODE_CEE)
+ dcbx_cfg = &pi->desired_dcbx_cfg;
+
+ /* Get Local DCB Config in case of ICE_DCBX_MODE_IEEE
+ * or get CEE DCB Desired Config in case of ICE_DCBX_MODE_CEE
+ */
+ ret = ice_aq_get_dcb_cfg(pi->hw, ICE_AQ_LLDP_MIB_LOCAL,
+ ICE_AQ_LLDP_BRID_TYPE_NEAREST_BRID, dcbx_cfg);
+ if (ret)
+ goto out;
+
+ /* Get Remote DCB Config */
+ dcbx_cfg = &pi->remote_dcbx_cfg;
+ ret = ice_aq_get_dcb_cfg(pi->hw, ICE_AQ_LLDP_MIB_REMOTE,
+ ICE_AQ_LLDP_BRID_TYPE_NEAREST_BRID, dcbx_cfg);
+ /* Don't treat ENOENT as an error for Remote MIBs */
+ if (pi->hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT)
+ ret = ICE_SUCCESS;
+
+out:
+ return ret;
+}
+
+/**
+ * ice_get_dcb_cfg
+ * @pi: port information structure
+ *
+ * Get DCB configuration from the Firmware
+ */
+enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi)
+{
+ struct ice_aqc_get_cee_dcb_cfg_resp cee_cfg;
+ struct ice_dcbx_cfg *dcbx_cfg;
+ enum ice_status ret;
+
+ if (!pi)
+ return ICE_ERR_PARAM;
+
+ ret = ice_aq_get_cee_dcb_cfg(pi->hw, &cee_cfg, NULL);
+ if (ret == ICE_SUCCESS) {
+ /* CEE mode */
+ dcbx_cfg = &pi->local_dcbx_cfg;
+ dcbx_cfg->dcbx_mode = ICE_DCBX_MODE_CEE;
+ dcbx_cfg->tlv_status = LE32_TO_CPU(cee_cfg.tlv_status);
+ ice_cee_to_dcb_cfg(&cee_cfg, dcbx_cfg);
+ ret = ice_get_ieee_or_cee_dcb_cfg(pi, ICE_DCBX_MODE_CEE);
+ } else if (pi->hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT) {
+ /* CEE mode not enabled try querying IEEE data */
+ dcbx_cfg = &pi->local_dcbx_cfg;
+ dcbx_cfg->dcbx_mode = ICE_DCBX_MODE_IEEE;
+ ret = ice_get_ieee_or_cee_dcb_cfg(pi, ICE_DCBX_MODE_IEEE);
+ }
+
+ return ret;
+}
+
+/**
+ * ice_init_dcb
+ * @hw: pointer to the HW struct
+ *
+ * Update DCB configuration from the Firmware
+ */
+enum ice_status ice_init_dcb(struct ice_hw *hw)
+{
+ struct ice_port_info *pi = hw->port_info;
+ enum ice_status ret = ICE_SUCCESS;
+
+ if (!hw->func_caps.common_cap.dcb)
+ return ICE_ERR_NOT_SUPPORTED;
+
+ pi->is_sw_lldp = true;
+
+ /* Get DCBX status */
+ pi->dcbx_status = ice_get_dcbx_status(hw);
+
+ if (pi->dcbx_status == ICE_DCBX_STATUS_DONE ||
+ pi->dcbx_status == ICE_DCBX_STATUS_IN_PROGRESS) {
+ /* Get current DCBX configuration */
+ ret = ice_get_dcb_cfg(pi);
+ pi->is_sw_lldp = (hw->adminq.sq_last_status == ICE_AQ_RC_EPERM);
+ if (ret)
+ return ret;
+ } else if (pi->dcbx_status == ICE_DCBX_STATUS_DIS) {
+ return ICE_ERR_NOT_READY;
+ } else if (pi->dcbx_status == ICE_DCBX_STATUS_MULTIPLE_PEERS) {
+ }
+
+ /* Configure the LLDP MIB change event */
+ ret = ice_aq_cfg_lldp_mib_change(hw, true, NULL);
+ if (!ret)
+ pi->is_sw_lldp = false;
+
+ return ret;
+}
+
+/**
+ * ice_add_ieee_ets_common_tlv
+ * @buf: Data buffer to be populated with ice_dcb_ets_cfg data
+ * @ets_cfg: Container for ice_dcb_ets_cfg data
+ *
+ * Populate the TLV buffer with ice_dcb_ets_cfg data
+ */
+static void
+ice_add_ieee_ets_common_tlv(u8 *buf, struct ice_dcb_ets_cfg *ets_cfg)
+{
+ u8 priority0, priority1;
+ u8 offset = 0;
+ int i;
+
+ /* Priority Assignment Table (4 octets)
+ * Octets:| 1 | 2 | 3 | 4 |
+ * -----------------------------------------
+ * |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7|
+ * -----------------------------------------
+ * Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0|
+ * -----------------------------------------
+ */
+ for (i = 0; i < ICE_MAX_TRAFFIC_CLASS / 2; i++) {
+ priority0 = ets_cfg->prio_table[i * 2] & 0xF;
+ priority1 = ets_cfg->prio_table[i * 2 + 1] & 0xF;
+ buf[offset] = (priority0 << ICE_IEEE_ETS_PRIO_1_S) | priority1;
+ offset++;
+ }
+
+ /* TC Bandwidth Table (8 octets)
+ * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
+ * ---------------------------------
+ * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
+ * ---------------------------------
+ *
+ * TSA Assignment Table (8 octets)
+ * Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
+ * ---------------------------------
+ * |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
+ * ---------------------------------
+ */
+ ice_for_each_traffic_class(i) {
+ buf[offset] = ets_cfg->tcbwtable[i];
+ buf[ICE_MAX_TRAFFIC_CLASS + offset] = ets_cfg->tsatable[i];
+ offset++;
+ }
+}
+
+/**
+ * ice_add_ieee_ets_tlv - Prepare ETS TLV in IEEE format
+ * @tlv: Fill the ETS config data in IEEE format
+ * @dcbcfg: Local store which holds the DCB Config
+ *
+ * Prepare IEEE 802.1Qaz ETS CFG TLV
+ */
+static void
+ice_add_ieee_ets_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
+{
+ struct ice_dcb_ets_cfg *etscfg;
+ u8 *buf = tlv->tlvinfo;
+ u8 maxtcwilling = 0;
+ u32 ouisubtype;
+ u16 typelen;
+
+ typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
+ ICE_IEEE_ETS_TLV_LEN);
+ tlv->typelen = HTONS(typelen);
+
+ ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
+ ICE_IEEE_SUBTYPE_ETS_CFG);
+ tlv->ouisubtype = HTONL(ouisubtype);
+
+ /* First Octet post subtype
+ * --------------------------
+ * |will-|CBS | Re- | Max |
+ * |ing | |served| TCs |
+ * --------------------------
+ * |1bit | 1bit|3 bits|3bits|
+ */
+ etscfg = &dcbcfg->etscfg;
+ if (etscfg->willing)
+ maxtcwilling = BIT(ICE_IEEE_ETS_WILLING_S);
+ maxtcwilling |= etscfg->maxtcs & ICE_IEEE_ETS_MAXTC_M;
+ buf[0] = maxtcwilling;
+
+ /* Begin adding at Priority Assignment Table (offset 1 in buf) */
+ ice_add_ieee_ets_common_tlv(&buf[1], etscfg);
+}
+
+/**
+ * ice_add_ieee_etsrec_tlv - Prepare ETS Recommended TLV in IEEE format
+ * @tlv: Fill ETS Recommended TLV in IEEE format
+ * @dcbcfg: Local store which holds the DCB Config
+ *
+ * Prepare IEEE 802.1Qaz ETS REC TLV
+ */
+static void
+ice_add_ieee_etsrec_tlv(struct ice_lldp_org_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ struct ice_dcb_ets_cfg *etsrec;
+ u8 *buf = tlv->tlvinfo;
+ u32 ouisubtype;
+ u16 typelen;
+
+ typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
+ ICE_IEEE_ETS_TLV_LEN);
+ tlv->typelen = HTONS(typelen);
+
+ ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
+ ICE_IEEE_SUBTYPE_ETS_REC);
+ tlv->ouisubtype = HTONL(ouisubtype);
+
+ etsrec = &dcbcfg->etsrec;
+
+ /* First Octet is reserved */
+ /* Begin adding at Priority Assignment Table (offset 1 in buf) */
+ ice_add_ieee_ets_common_tlv(&buf[1], etsrec);
+}
+
+/**
+ * ice_add_ieee_pfc_tlv - Prepare PFC TLV in IEEE format
+ * @tlv: Fill PFC TLV in IEEE format
+ * @dcbcfg: Local store which holds the PFC CFG data
+ *
+ * Prepare IEEE 802.1Qaz PFC CFG TLV
+ */
+static void
+ice_add_ieee_pfc_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
+{
+ u8 *buf = tlv->tlvinfo;
+ u32 ouisubtype;
+ u16 typelen;
+
+ typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
+ ICE_IEEE_PFC_TLV_LEN);
+ tlv->typelen = HTONS(typelen);
+
+ ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
+ ICE_IEEE_SUBTYPE_PFC_CFG);
+ tlv->ouisubtype = HTONL(ouisubtype);
+
+ /* ----------------------------------------
+ * |will-|MBC | Re- | PFC | PFC Enable |
+ * |ing | |served| cap | |
+ * -----------------------------------------
+ * |1bit | 1bit|2 bits|4bits| 1 octet |
+ */
+ if (dcbcfg->pfc.willing)
+ buf[0] = BIT(ICE_IEEE_PFC_WILLING_S);
+
+ if (dcbcfg->pfc.mbc)
+ buf[0] |= BIT(ICE_IEEE_PFC_MBC_S);
+
+ buf[0] |= dcbcfg->pfc.pfccap & 0xF;
+ buf[1] = dcbcfg->pfc.pfcena;
+}
+
+/**
+ * ice_add_ieee_app_pri_tlv - Prepare APP TLV in IEEE format
+ * @tlv: Fill APP TLV in IEEE format
+ * @dcbcfg: Local store which holds the APP CFG data
+ *
+ * Prepare IEEE 802.1Qaz APP CFG TLV
+ */
+static void
+ice_add_ieee_app_pri_tlv(struct ice_lldp_org_tlv *tlv,
+ struct ice_dcbx_cfg *dcbcfg)
+{
+ u16 typelen, len, offset = 0;
+ u8 priority, selector, i = 0;
+ u8 *buf = tlv->tlvinfo;
+ u32 ouisubtype;
+
+ /* No APP TLVs then just return */
+ if (dcbcfg->numapps == 0)
+ return;
+ ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
+ ICE_IEEE_SUBTYPE_APP_PRI);
+ tlv->ouisubtype = HTONL(ouisubtype);
+
+ /* Move offset to App Priority Table */
+ offset++;
+ /* Application Priority Table (3 octets)
+ * Octets:| 1 | 2 | 3 |
+ * -----------------------------------------
+ * |Priority|Rsrvd| Sel | Protocol ID |
+ * -----------------------------------------
+ * Bits:|23 21|20 19|18 16|15 0|
+ * -----------------------------------------
+ */
+ while (i < dcbcfg->numapps) {
+ priority = dcbcfg->app[i].priority & 0x7;
+ selector = dcbcfg->app[i].selector & 0x7;
+ buf[offset] = (priority << ICE_IEEE_APP_PRIO_S) | selector;
+ buf[offset + 1] = (dcbcfg->app[i].prot_id >> 0x8) & 0xFF;
+ buf[offset + 2] = dcbcfg->app[i].prot_id & 0xFF;
+ /* Move to next app */
+ offset += 3;
+ i++;
+ if (i >= ICE_DCBX_MAX_APPS)
+ break;
+ }
+ /* len includes size of ouisubtype + 1 reserved + 3*numapps */
+ len = sizeof(tlv->ouisubtype) + 1 + (i * 3);
+ typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | (len & 0x1FF));
+ tlv->typelen = HTONS(typelen);
+}
+
+/**
+ * ice_add_dcb_tlv - Add all IEEE TLVs
+ * @tlv: Fill TLV data in IEEE format
+ * @dcbcfg: Local store which holds the DCB Config
+ * @tlvid: Type of IEEE TLV
+ *
+ * Add tlv information
+ */
+static void
+ice_add_dcb_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg,
+ u16 tlvid)
+{
+ switch (tlvid) {
+ case ICE_IEEE_TLV_ID_ETS_CFG:
+ ice_add_ieee_ets_tlv(tlv, dcbcfg);
+ break;
+ case ICE_IEEE_TLV_ID_ETS_REC:
+ ice_add_ieee_etsrec_tlv(tlv, dcbcfg);
+ break;
+ case ICE_IEEE_TLV_ID_PFC_CFG:
+ ice_add_ieee_pfc_tlv(tlv, dcbcfg);
+ break;
+ case ICE_IEEE_TLV_ID_APP_PRI:
+ ice_add_ieee_app_pri_tlv(tlv, dcbcfg);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * ice_dcb_cfg_to_lldp - Convert DCB configuration to MIB format
+ * @lldpmib: pointer to the HW struct
+ * @miblen: length of LLDP mib
+ * @dcbcfg: Local store which holds the DCB Config
+ *
+ * Convert the DCB configuration to MIB format
+ */
+void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg)
+{
+ u16 len, offset = 0, tlvid = ICE_TLV_ID_START;
+ struct ice_lldp_org_tlv *tlv;
+ u16 typelen;
+
+ tlv = (struct ice_lldp_org_tlv *)lldpmib;
+ while (1) {
+ ice_add_dcb_tlv(tlv, dcbcfg, tlvid++);
+ typelen = NTOHS(tlv->typelen);
+ len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S;
+ if (len)
+ offset += len + 2;
+ /* END TLV or beyond LLDPDU size */
+ if (tlvid >= ICE_TLV_ID_END_OF_LLDPPDU ||
+ offset > ICE_LLDPDU_SIZE)
+ break;
+ /* Move to next TLV */
+ if (len)
+ tlv = (struct ice_lldp_org_tlv *)
+ ((char *)tlv + sizeof(tlv->typelen) + len);
+ }
+ *miblen = offset;
+}
+
+/**
+ * ice_set_dcb_cfg - Set the local LLDP MIB to FW
+ * @pi: port information structure
+ *
+ * Set DCB configuration to the Firmware
+ */
+enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi)
+{
+ u8 mib_type, *lldpmib = NULL;
+ struct ice_dcbx_cfg *dcbcfg;
+ enum ice_status ret;
+ struct ice_hw *hw;
+ u16 miblen;
+
+ if (!pi)
+ return ICE_ERR_PARAM;
+
+ hw = pi->hw;
+
+ /* update the HW local config */
+ dcbcfg = &pi->local_dcbx_cfg;
+ /* Allocate the LLDPDU */
+ lldpmib = (u8 *)ice_malloc(hw, ICE_LLDPDU_SIZE);
+ if (!lldpmib)
+ return ICE_ERR_NO_MEMORY;
+
+ mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB;
+ if (dcbcfg->app_mode == ICE_DCBX_APPS_NON_WILLING)
+ mib_type |= SET_LOCAL_MIB_TYPE_CEE_NON_WILLING;
+
+ ice_dcb_cfg_to_lldp(lldpmib, &miblen, dcbcfg);
+ ret = ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, miblen,
+ NULL);
+
+ ice_free(hw, lldpmib);
+
+ return ret;
+}
+
+/**
+ * ice_aq_query_port_ets - query port ets configuration
+ * @pi: port information structure
+ * @buf: pointer to buffer
+ * @buf_size: buffer size in bytes
+ * @cd: pointer to command details structure or NULL
+ *
+ * query current port ets configuration
+ */
+enum ice_status
+ice_aq_query_port_ets(struct ice_port_info *pi,
+ struct ice_aqc_port_ets_elem *buf, u16 buf_size,
+ struct ice_sq_cd *cd)
+{
+ struct ice_aqc_query_port_ets *cmd;
+ struct ice_aq_desc desc;
+ enum ice_status status;
+
+ if (!pi)
+ return ICE_ERR_PARAM;
+ cmd = &desc.params.port_ets;
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_query_port_ets);
+ cmd->port_teid = pi->root->info.node_teid;
+
+ status = ice_aq_send_cmd(pi->hw, &desc, buf, buf_size, cd);
+ return status;
+}
+
+/**
+ * ice_update_port_tc_tree_cfg - update TC tree configuration
+ * @pi: port information structure
+ * @buf: pointer to buffer
+ *
+ * update the SW DB with the new TC changes
+ */
+enum ice_status
+ice_update_port_tc_tree_cfg(struct ice_port_info *pi,
+ struct ice_aqc_port_ets_elem *buf)
+{
+ struct ice_sched_node *node, *tc_node;
+ struct ice_aqc_get_elem elem;
+ enum ice_status status = ICE_SUCCESS;
+ u32 teid1, teid2;
+ u8 i, j;
+
+ if (!pi)
+ return ICE_ERR_PARAM;
+ /* suspend the missing TC nodes */
+ for (i = 0; i < pi->root->num_children; i++) {
+ teid1 = LE32_TO_CPU(pi->root->children[i]->info.node_teid);
+ ice_for_each_traffic_class(j) {
+ teid2 = LE32_TO_CPU(buf->tc_node_teid[j]);
+ if (teid1 == teid2)
+ break;
+ }
+ if (j < ICE_MAX_TRAFFIC_CLASS)
+ continue;
+ /* TC is missing */
+ pi->root->children[i]->in_use = false;
+ }
+ /* add the new TC nodes */
+ ice_for_each_traffic_class(j) {
+ teid2 = LE32_TO_CPU(buf->tc_node_teid[j]);
+ if (teid2 == ICE_INVAL_TEID)
+ continue;
+ /* Is it already present in the tree ? */
+ for (i = 0; i < pi->root->num_children; i++) {
+ tc_node = pi->root->children[i];
+ if (!tc_node)
+ continue;
+ teid1 = LE32_TO_CPU(tc_node->info.node_teid);
+ if (teid1 == teid2) {
+ tc_node->tc_num = j;
+ tc_node->in_use = true;
+ break;
+ }
+ }
+ if (i < pi->root->num_children)
+ continue;
+ /* new TC */
+ status = ice_sched_query_elem(pi->hw, teid2, &elem);
+ if (!status)
+ status = ice_sched_add_node(pi, 1, &elem.generic[0]);
+ if (status)
+ break;
+ /* update the TC number */
+ node = ice_sched_find_node_by_teid(pi->root, teid2);
+ if (node)
+ node->tc_num = j;
+ }
+ return status;
+}
+
+/**
+ * ice_query_port_ets - query port ets configuration
+ * @pi: port information structure
+ * @buf: pointer to buffer
+ * @buf_size: buffer size in bytes
+ * @cd: pointer to command details structure or NULL
+ *
+ * query current port ets configuration and update the
+ * SW DB with the TC changes
+ */
+enum ice_status
+ice_query_port_ets(struct ice_port_info *pi,
+ struct ice_aqc_port_ets_elem *buf, u16 buf_size,
+ struct ice_sq_cd *cd)
+{
+ enum ice_status status;
+
+ ice_acquire_lock(&pi->sched_lock);
+ status = ice_aq_query_port_ets(pi, buf, buf_size, cd);
+ if (!status)
+ status = ice_update_port_tc_tree_cfg(pi, buf);
+ ice_release_lock(&pi->sched_lock);
+ return status;
+}
git.droids-corp.org / dpdk.git / commitdiff