1618 lines
42 KiB
C
1618 lines
42 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2019, Intel Corporation. */
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#include "ice_common.h"
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#include "ice_sched.h"
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#include "ice_dcb.h"
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/**
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* ice_aq_get_lldp_mib
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* @hw: pointer to the HW struct
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* @bridge_type: type of bridge requested
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* @mib_type: Local, Remote or both Local and Remote MIBs
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* @buf: pointer to the caller-supplied buffer to store the MIB block
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* @buf_size: size of the buffer (in bytes)
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* @local_len: length of the returned Local LLDP MIB
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* @remote_len: length of the returned Remote LLDP MIB
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* @cd: pointer to command details structure or NULL
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*
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* Requests the complete LLDP MIB (entire packet). (0x0A00)
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*/
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static int
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ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf,
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u16 buf_size, u16 *local_len, u16 *remote_len,
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struct ice_sq_cd *cd)
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{
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struct ice_aqc_lldp_get_mib *cmd;
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struct ice_aq_desc desc;
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int status;
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cmd = &desc.params.lldp_get_mib;
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if (buf_size == 0 || !buf)
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return -EINVAL;
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ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_get_mib);
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cmd->type = mib_type & ICE_AQ_LLDP_MIB_TYPE_M;
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cmd->type |= (bridge_type << ICE_AQ_LLDP_BRID_TYPE_S) &
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ICE_AQ_LLDP_BRID_TYPE_M;
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desc.datalen = cpu_to_le16(buf_size);
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status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
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if (!status) {
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if (local_len)
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*local_len = le16_to_cpu(cmd->local_len);
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if (remote_len)
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*remote_len = le16_to_cpu(cmd->remote_len);
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}
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return status;
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}
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/**
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* ice_aq_cfg_lldp_mib_change
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* @hw: pointer to the HW struct
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* @ena_update: Enable or Disable event posting
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* @cd: pointer to command details structure or NULL
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*
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* Enable or Disable posting of an event on ARQ when LLDP MIB
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* associated with the interface changes (0x0A01)
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*/
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static int
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ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
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struct ice_sq_cd *cd)
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{
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struct ice_aqc_lldp_set_mib_change *cmd;
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struct ice_aq_desc desc;
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cmd = &desc.params.lldp_set_event;
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ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_mib_change);
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if (!ena_update)
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cmd->command |= ICE_AQ_LLDP_MIB_UPDATE_DIS;
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return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
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}
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/**
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* ice_aq_stop_lldp
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* @hw: pointer to the HW struct
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* @shutdown_lldp_agent: True if LLDP Agent needs to be Shutdown
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* False if LLDP Agent needs to be Stopped
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* @persist: True if Stop/Shutdown of LLDP Agent needs to be persistent across
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* reboots
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* @cd: pointer to command details structure or NULL
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*
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* Stop or Shutdown the embedded LLDP Agent (0x0A05)
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*/
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int
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ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
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struct ice_sq_cd *cd)
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{
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struct ice_aqc_lldp_stop *cmd;
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struct ice_aq_desc desc;
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cmd = &desc.params.lldp_stop;
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ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_stop);
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if (shutdown_lldp_agent)
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cmd->command |= ICE_AQ_LLDP_AGENT_SHUTDOWN;
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if (persist)
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cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_DIS;
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return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
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}
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/**
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* ice_aq_start_lldp
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* @hw: pointer to the HW struct
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* @persist: True if Start of LLDP Agent needs to be persistent across reboots
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* @cd: pointer to command details structure or NULL
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*
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* Start the embedded LLDP Agent on all ports. (0x0A06)
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*/
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int ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd)
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{
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struct ice_aqc_lldp_start *cmd;
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struct ice_aq_desc desc;
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cmd = &desc.params.lldp_start;
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ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_start);
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cmd->command = ICE_AQ_LLDP_AGENT_START;
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if (persist)
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cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_ENA;
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return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
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}
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/**
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* ice_get_dcbx_status
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* @hw: pointer to the HW struct
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*
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* Get the DCBX status from the Firmware
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*/
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static u8 ice_get_dcbx_status(struct ice_hw *hw)
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{
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u32 reg;
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reg = rd32(hw, PRTDCB_GENS);
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return (u8)((reg & PRTDCB_GENS_DCBX_STATUS_M) >>
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PRTDCB_GENS_DCBX_STATUS_S);
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}
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/**
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* ice_parse_ieee_ets_common_tlv
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* @buf: Data buffer to be parsed for ETS CFG/REC data
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* @ets_cfg: Container to store parsed data
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*
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* Parses the common data of IEEE 802.1Qaz ETS CFG/REC TLV
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*/
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static void
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ice_parse_ieee_ets_common_tlv(u8 *buf, struct ice_dcb_ets_cfg *ets_cfg)
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{
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u8 offset = 0;
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int i;
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/* Priority Assignment Table (4 octets)
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* Octets:| 1 | 2 | 3 | 4 |
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* -----------------------------------------
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* |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7|
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* -----------------------------------------
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* Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0|
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* -----------------------------------------
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*/
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for (i = 0; i < 4; i++) {
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ets_cfg->prio_table[i * 2] =
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((buf[offset] & ICE_IEEE_ETS_PRIO_1_M) >>
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ICE_IEEE_ETS_PRIO_1_S);
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ets_cfg->prio_table[i * 2 + 1] =
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((buf[offset] & ICE_IEEE_ETS_PRIO_0_M) >>
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ICE_IEEE_ETS_PRIO_0_S);
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offset++;
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}
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/* TC Bandwidth Table (8 octets)
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* Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
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* ---------------------------------
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* |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
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* ---------------------------------
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*
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* TSA Assignment Table (8 octets)
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* Octets:| 9 | 10| 11| 12| 13| 14| 15| 16|
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* ---------------------------------
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* |tc0|tc1|tc2|tc3|tc4|tc5|tc6|tc7|
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* ---------------------------------
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*/
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ice_for_each_traffic_class(i) {
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ets_cfg->tcbwtable[i] = buf[offset];
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ets_cfg->tsatable[i] = buf[ICE_MAX_TRAFFIC_CLASS + offset++];
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}
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}
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/**
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* ice_parse_ieee_etscfg_tlv
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* @tlv: IEEE 802.1Qaz ETS CFG TLV
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* @dcbcfg: Local store to update ETS CFG data
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*
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* Parses IEEE 802.1Qaz ETS CFG TLV
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*/
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static void
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ice_parse_ieee_etscfg_tlv(struct ice_lldp_org_tlv *tlv,
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struct ice_dcbx_cfg *dcbcfg)
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{
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struct ice_dcb_ets_cfg *etscfg;
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u8 *buf = tlv->tlvinfo;
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/* First Octet post subtype
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* --------------------------
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* |will-|CBS | Re- | Max |
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* |ing | |served| TCs |
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* --------------------------
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* |1bit | 1bit|3 bits|3bits|
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*/
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etscfg = &dcbcfg->etscfg;
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etscfg->willing = ((buf[0] & ICE_IEEE_ETS_WILLING_M) >>
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ICE_IEEE_ETS_WILLING_S);
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etscfg->cbs = ((buf[0] & ICE_IEEE_ETS_CBS_M) >> ICE_IEEE_ETS_CBS_S);
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etscfg->maxtcs = ((buf[0] & ICE_IEEE_ETS_MAXTC_M) >>
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ICE_IEEE_ETS_MAXTC_S);
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/* Begin parsing at Priority Assignment Table (offset 1 in buf) */
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ice_parse_ieee_ets_common_tlv(&buf[1], etscfg);
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}
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/**
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* ice_parse_ieee_etsrec_tlv
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* @tlv: IEEE 802.1Qaz ETS REC TLV
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* @dcbcfg: Local store to update ETS REC data
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*
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* Parses IEEE 802.1Qaz ETS REC TLV
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*/
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static void
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ice_parse_ieee_etsrec_tlv(struct ice_lldp_org_tlv *tlv,
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struct ice_dcbx_cfg *dcbcfg)
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{
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u8 *buf = tlv->tlvinfo;
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/* Begin parsing at Priority Assignment Table (offset 1 in buf) */
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ice_parse_ieee_ets_common_tlv(&buf[1], &dcbcfg->etsrec);
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}
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/**
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* ice_parse_ieee_pfccfg_tlv
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* @tlv: IEEE 802.1Qaz PFC CFG TLV
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* @dcbcfg: Local store to update PFC CFG data
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*
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* Parses IEEE 802.1Qaz PFC CFG TLV
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*/
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static void
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ice_parse_ieee_pfccfg_tlv(struct ice_lldp_org_tlv *tlv,
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struct ice_dcbx_cfg *dcbcfg)
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{
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u8 *buf = tlv->tlvinfo;
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/* ----------------------------------------
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* |will-|MBC | Re- | PFC | PFC Enable |
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* |ing | |served| cap | |
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* -----------------------------------------
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* |1bit | 1bit|2 bits|4bits| 1 octet |
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*/
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dcbcfg->pfc.willing = ((buf[0] & ICE_IEEE_PFC_WILLING_M) >>
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ICE_IEEE_PFC_WILLING_S);
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dcbcfg->pfc.mbc = ((buf[0] & ICE_IEEE_PFC_MBC_M) >> ICE_IEEE_PFC_MBC_S);
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dcbcfg->pfc.pfccap = ((buf[0] & ICE_IEEE_PFC_CAP_M) >>
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ICE_IEEE_PFC_CAP_S);
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dcbcfg->pfc.pfcena = buf[1];
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}
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/**
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* ice_parse_ieee_app_tlv
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* @tlv: IEEE 802.1Qaz APP TLV
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* @dcbcfg: Local store to update APP PRIO data
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*
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* Parses IEEE 802.1Qaz APP PRIO TLV
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*/
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static void
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ice_parse_ieee_app_tlv(struct ice_lldp_org_tlv *tlv,
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struct ice_dcbx_cfg *dcbcfg)
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{
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u16 offset = 0;
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u16 typelen;
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int i = 0;
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u16 len;
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u8 *buf;
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typelen = ntohs(tlv->typelen);
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len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S);
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buf = tlv->tlvinfo;
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/* Removing sizeof(ouisubtype) and reserved byte from len.
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* Remaining len div 3 is number of APP TLVs.
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*/
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len -= (sizeof(tlv->ouisubtype) + 1);
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/* Move offset to App Priority Table */
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offset++;
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/* Application Priority Table (3 octets)
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* Octets:| 1 | 2 | 3 |
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* -----------------------------------------
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* |Priority|Rsrvd| Sel | Protocol ID |
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* -----------------------------------------
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* Bits:|23 21|20 19|18 16|15 0|
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* -----------------------------------------
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*/
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while (offset < len) {
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dcbcfg->app[i].priority = ((buf[offset] &
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ICE_IEEE_APP_PRIO_M) >>
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ICE_IEEE_APP_PRIO_S);
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dcbcfg->app[i].selector = ((buf[offset] &
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ICE_IEEE_APP_SEL_M) >>
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ICE_IEEE_APP_SEL_S);
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dcbcfg->app[i].prot_id = (buf[offset + 1] << 0x8) |
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buf[offset + 2];
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/* Move to next app */
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offset += 3;
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i++;
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if (i >= ICE_DCBX_MAX_APPS)
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break;
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}
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dcbcfg->numapps = i;
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}
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/**
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* ice_parse_ieee_tlv
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* @tlv: IEEE 802.1Qaz TLV
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* @dcbcfg: Local store to update ETS REC data
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*
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* Get the TLV subtype and send it to parsing function
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* based on the subtype value
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*/
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static void
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ice_parse_ieee_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
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{
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u32 ouisubtype;
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u8 subtype;
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ouisubtype = ntohl(tlv->ouisubtype);
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subtype = (u8)((ouisubtype & ICE_LLDP_TLV_SUBTYPE_M) >>
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ICE_LLDP_TLV_SUBTYPE_S);
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switch (subtype) {
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case ICE_IEEE_SUBTYPE_ETS_CFG:
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ice_parse_ieee_etscfg_tlv(tlv, dcbcfg);
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break;
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case ICE_IEEE_SUBTYPE_ETS_REC:
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ice_parse_ieee_etsrec_tlv(tlv, dcbcfg);
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break;
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case ICE_IEEE_SUBTYPE_PFC_CFG:
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ice_parse_ieee_pfccfg_tlv(tlv, dcbcfg);
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break;
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case ICE_IEEE_SUBTYPE_APP_PRI:
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ice_parse_ieee_app_tlv(tlv, dcbcfg);
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break;
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default:
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break;
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}
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}
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/**
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* ice_parse_cee_pgcfg_tlv
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* @tlv: CEE DCBX PG CFG TLV
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* @dcbcfg: Local store to update ETS CFG data
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*
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* Parses CEE DCBX PG CFG TLV
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*/
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static void
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ice_parse_cee_pgcfg_tlv(struct ice_cee_feat_tlv *tlv,
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struct ice_dcbx_cfg *dcbcfg)
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{
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struct ice_dcb_ets_cfg *etscfg;
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u8 *buf = tlv->tlvinfo;
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u16 offset = 0;
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int i;
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etscfg = &dcbcfg->etscfg;
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if (tlv->en_will_err & ICE_CEE_FEAT_TLV_WILLING_M)
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etscfg->willing = 1;
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etscfg->cbs = 0;
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/* Priority Group Table (4 octets)
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* Octets:| 1 | 2 | 3 | 4 |
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* -----------------------------------------
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* |pri0|pri1|pri2|pri3|pri4|pri5|pri6|pri7|
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* -----------------------------------------
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* Bits:|7 4|3 0|7 4|3 0|7 4|3 0|7 4|3 0|
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* -----------------------------------------
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*/
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for (i = 0; i < 4; i++) {
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etscfg->prio_table[i * 2] =
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((buf[offset] & ICE_CEE_PGID_PRIO_1_M) >>
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ICE_CEE_PGID_PRIO_1_S);
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etscfg->prio_table[i * 2 + 1] =
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((buf[offset] & ICE_CEE_PGID_PRIO_0_M) >>
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ICE_CEE_PGID_PRIO_0_S);
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offset++;
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}
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/* PG Percentage Table (8 octets)
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* Octets:| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
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* ---------------------------------
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* |pg0|pg1|pg2|pg3|pg4|pg5|pg6|pg7|
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* ---------------------------------
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*/
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ice_for_each_traffic_class(i) {
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etscfg->tcbwtable[i] = buf[offset++];
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if (etscfg->prio_table[i] == ICE_CEE_PGID_STRICT)
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dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_STRICT;
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else
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dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_ETS;
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}
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/* Number of TCs supported (1 octet) */
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etscfg->maxtcs = buf[offset];
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}
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/**
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* ice_parse_cee_pfccfg_tlv
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* @tlv: CEE DCBX PFC CFG TLV
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* @dcbcfg: Local store to update PFC CFG data
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*
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* Parses CEE DCBX PFC CFG TLV
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*/
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static void
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ice_parse_cee_pfccfg_tlv(struct ice_cee_feat_tlv *tlv,
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struct ice_dcbx_cfg *dcbcfg)
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{
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u8 *buf = tlv->tlvinfo;
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if (tlv->en_will_err & ICE_CEE_FEAT_TLV_WILLING_M)
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dcbcfg->pfc.willing = 1;
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/* ------------------------
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* | PFC Enable | PFC TCs |
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* ------------------------
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* | 1 octet | 1 octet |
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*/
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dcbcfg->pfc.pfcena = buf[0];
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dcbcfg->pfc.pfccap = buf[1];
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}
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/**
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* ice_parse_cee_app_tlv
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* @tlv: CEE DCBX APP TLV
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* @dcbcfg: Local store to update APP PRIO data
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*
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* Parses CEE DCBX APP PRIO TLV
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*/
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static void
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ice_parse_cee_app_tlv(struct ice_cee_feat_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
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{
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u16 len, typelen, offset = 0;
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struct ice_cee_app_prio *app;
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u8 i;
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typelen = ntohs(tlv->hdr.typelen);
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len = ((typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S);
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dcbcfg->numapps = len / sizeof(*app);
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if (!dcbcfg->numapps)
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return;
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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
|
|
*/
|
|
static int ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg)
|
|
{
|
|
struct ice_lldp_org_tlv *tlv;
|
|
u16 offset = 0;
|
|
int ret = 0;
|
|
u16 typelen;
|
|
u16 type;
|
|
u16 len;
|
|
|
|
if (!lldpmib || !dcbcfg)
|
|
return -EINVAL;
|
|
|
|
/* set to the start of LLDPDU */
|
|
lldpmib += ETH_HLEN;
|
|
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
|
|
*/
|
|
int
|
|
ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
|
|
struct ice_dcbx_cfg *dcbcfg)
|
|
{
|
|
u8 *lldpmib;
|
|
int ret;
|
|
|
|
/* Allocate the LLDPDU */
|
|
lldpmib = devm_kzalloc(ice_hw_to_dev(hw), ICE_LLDPDU_SIZE, GFP_KERNEL);
|
|
if (!lldpmib)
|
|
return -ENOMEM;
|
|
|
|
ret = ice_aq_get_lldp_mib(hw, bridgetype, mib_type, (void *)lldpmib,
|
|
ICE_LLDPDU_SIZE, NULL, NULL, NULL);
|
|
|
|
if (!ret)
|
|
/* Parse LLDP MIB to get DCB configuration */
|
|
ret = ice_lldp_to_dcb_cfg(lldpmib, dcbcfg);
|
|
|
|
devm_kfree(ice_hw_to_dev(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 0, caller will need to check if FW returns back the same
|
|
* value as stated in dcbx_agent_status, and react accordingly. (0x0A09)
|
|
*/
|
|
int
|
|
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;
|
|
struct ice_aq_desc desc;
|
|
u16 opcode;
|
|
int status;
|
|
|
|
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 &&
|
|
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)
|
|
*/
|
|
static int
|
|
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_aq_set_pfc_mode - Set PFC mode
|
|
* @hw: pointer to the HW struct
|
|
* @pfc_mode: value of PFC mode to set
|
|
* @cd: pointer to command details structure or NULL
|
|
*
|
|
* This AQ call configures the PFC mode to DSCP-based PFC mode or
|
|
* VLAN-based PFC (0x0303)
|
|
*/
|
|
int ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd)
|
|
{
|
|
struct ice_aqc_set_query_pfc_mode *cmd;
|
|
struct ice_aq_desc desc;
|
|
int status;
|
|
|
|
if (pfc_mode > ICE_AQC_PFC_DSCP_BASED_PFC)
|
|
return -EINVAL;
|
|
|
|
cmd = &desc.params.set_query_pfc_mode;
|
|
|
|
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_pfc_mode);
|
|
|
|
cmd->pfc_mode = pfc_mode;
|
|
|
|
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
|
|
if (status)
|
|
return status;
|
|
|
|
/* FW will write the PFC mode set back into cmd->pfc_mode, but if DCB is
|
|
* disabled, FW will write back 0 to cmd->pfc_mode. After the AQ has
|
|
* been executed, check if cmd->pfc_mode is what was requested. If not,
|
|
* return an error.
|
|
*/
|
|
if (cmd->pfc_mode != pfc_mode)
|
|
return -EOPNOTSUPP;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* ice_cee_to_dcb_cfg
|
|
* @cee_cfg: pointer to CEE configuration struct
|
|
* @pi: port information structure
|
|
*
|
|
* 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_port_info *pi)
|
|
{
|
|
u32 status, tlv_status = le32_to_cpu(cee_cfg->tlv_status);
|
|
u32 ice_aqc_cee_status_mask, ice_aqc_cee_status_shift, j;
|
|
u8 i, err, sync, oper, app_index, ice_app_sel_type;
|
|
u16 app_prio = le16_to_cpu(cee_cfg->oper_app_prio);
|
|
u16 ice_aqc_cee_app_mask, ice_aqc_cee_app_shift;
|
|
struct ice_dcbx_cfg *cmp_dcbcfg, *dcbcfg;
|
|
u16 ice_app_prot_id_type;
|
|
|
|
dcbcfg = &pi->qos_cfg.local_dcbx_cfg;
|
|
dcbcfg->dcbx_mode = ICE_DCBX_MODE_CEE;
|
|
dcbcfg->tlv_status = tlv_status;
|
|
|
|
/* CEE PG data */
|
|
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 */
|
|
dcbcfg->pfc.pfcena = cee_cfg->oper_pfc_en;
|
|
dcbcfg->pfc.pfccap = ICE_MAX_TRAFFIC_CLASS;
|
|
|
|
/* CEE APP TLV data */
|
|
if (dcbcfg->app_mode == ICE_DCBX_APPS_NON_WILLING)
|
|
cmp_dcbcfg = &pi->qos_cfg.desired_dcbx_cfg;
|
|
else
|
|
cmp_dcbcfg = &pi->qos_cfg.remote_dcbx_cfg;
|
|
|
|
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 = ETH_P_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 = ISCSI_LISTEN_PORT;
|
|
|
|
for (j = 0; j < cmp_dcbcfg->numapps; j++) {
|
|
u16 prot_id = cmp_dcbcfg->app[j].prot_id;
|
|
u8 sel = cmp_dcbcfg->app[j].selector;
|
|
|
|
if (sel == ICE_APP_SEL_TCPIP &&
|
|
(prot_id == ISCSI_LISTEN_PORT ||
|
|
prot_id == ICE_APP_PROT_ID_ISCSI_860)) {
|
|
ice_app_prot_id_type = prot_id;
|
|
break;
|
|
}
|
|
}
|
|
} 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 = ETH_P_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_or_cee_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 int ice_get_ieee_or_cee_dcb_cfg(struct ice_port_info *pi, u8 dcbx_mode)
|
|
{
|
|
struct ice_dcbx_cfg *dcbx_cfg = NULL;
|
|
int ret;
|
|
|
|
if (!pi)
|
|
return -EINVAL;
|
|
|
|
if (dcbx_mode == ICE_DCBX_MODE_IEEE)
|
|
dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
|
|
else if (dcbx_mode == ICE_DCBX_MODE_CEE)
|
|
dcbx_cfg = &pi->qos_cfg.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->qos_cfg.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 = 0;
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ice_get_dcb_cfg
|
|
* @pi: port information structure
|
|
*
|
|
* Get DCB configuration from the Firmware
|
|
*/
|
|
int 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;
|
|
int ret;
|
|
|
|
if (!pi)
|
|
return -EINVAL;
|
|
|
|
ret = ice_aq_get_cee_dcb_cfg(pi->hw, &cee_cfg, NULL);
|
|
if (!ret) {
|
|
/* CEE mode */
|
|
ret = ice_get_ieee_or_cee_dcb_cfg(pi, ICE_DCBX_MODE_CEE);
|
|
ice_cee_to_dcb_cfg(&cee_cfg, pi);
|
|
} else if (pi->hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT) {
|
|
/* CEE mode not enabled try querying IEEE data */
|
|
dcbx_cfg = &pi->qos_cfg.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
|
|
* @enable_mib_change: enable MIB change event
|
|
*
|
|
* Update DCB configuration from the Firmware
|
|
*/
|
|
int ice_init_dcb(struct ice_hw *hw, bool enable_mib_change)
|
|
{
|
|
struct ice_qos_cfg *qos_cfg = &hw->port_info->qos_cfg;
|
|
int ret = 0;
|
|
|
|
if (!hw->func_caps.common_cap.dcb)
|
|
return -EOPNOTSUPP;
|
|
|
|
qos_cfg->is_sw_lldp = true;
|
|
|
|
/* Get DCBX status */
|
|
qos_cfg->dcbx_status = ice_get_dcbx_status(hw);
|
|
|
|
if (qos_cfg->dcbx_status == ICE_DCBX_STATUS_DONE ||
|
|
qos_cfg->dcbx_status == ICE_DCBX_STATUS_IN_PROGRESS ||
|
|
qos_cfg->dcbx_status == ICE_DCBX_STATUS_NOT_STARTED) {
|
|
/* Get current DCBX configuration */
|
|
ret = ice_get_dcb_cfg(hw->port_info);
|
|
if (ret)
|
|
return ret;
|
|
qos_cfg->is_sw_lldp = false;
|
|
} else if (qos_cfg->dcbx_status == ICE_DCBX_STATUS_DIS) {
|
|
return -EBUSY;
|
|
}
|
|
|
|
/* Configure the LLDP MIB change event */
|
|
if (enable_mib_change) {
|
|
ret = ice_aq_cfg_lldp_mib_change(hw, true, NULL);
|
|
if (ret)
|
|
qos_cfg->is_sw_lldp = true;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* ice_cfg_lldp_mib_change
|
|
* @hw: pointer to the HW struct
|
|
* @ena_mib: enable/disable MIB change event
|
|
*
|
|
* Configure (disable/enable) MIB
|
|
*/
|
|
int ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib)
|
|
{
|
|
struct ice_qos_cfg *qos_cfg = &hw->port_info->qos_cfg;
|
|
int ret;
|
|
|
|
if (!hw->func_caps.common_cap.dcb)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* Get DCBX status */
|
|
qos_cfg->dcbx_status = ice_get_dcbx_status(hw);
|
|
|
|
if (qos_cfg->dcbx_status == ICE_DCBX_STATUS_DIS)
|
|
return -EBUSY;
|
|
|
|
ret = ice_aq_cfg_lldp_mib_change(hw, ena_mib, NULL);
|
|
if (!ret)
|
|
qos_cfg->is_sw_lldp = !ena_mib;
|
|
|
|
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_dscp_up_tlv - Prepare DSCP to UP TLV
|
|
* @tlv: location to build the TLV data
|
|
* @dcbcfg: location of data to convert to TLV
|
|
*/
|
|
static void
|
|
ice_add_dscp_up_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
|
|
{
|
|
u8 *buf = tlv->tlvinfo;
|
|
u32 ouisubtype;
|
|
u16 typelen;
|
|
int i;
|
|
|
|
typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
|
|
ICE_DSCP_UP_TLV_LEN);
|
|
tlv->typelen = htons(typelen);
|
|
|
|
ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) |
|
|
ICE_DSCP_SUBTYPE_DSCP2UP);
|
|
tlv->ouisubtype = htonl(ouisubtype);
|
|
|
|
/* bytes 0 - 63 - IPv4 DSCP2UP LUT */
|
|
for (i = 0; i < ICE_DSCP_NUM_VAL; i++) {
|
|
/* IPv4 mapping */
|
|
buf[i] = dcbcfg->dscp_map[i];
|
|
/* IPv6 mapping */
|
|
buf[i + ICE_DSCP_IPV6_OFFSET] = dcbcfg->dscp_map[i];
|
|
}
|
|
|
|
/* byte 64 - IPv4 untagged traffic */
|
|
buf[i] = 0;
|
|
|
|
/* byte 144 - IPv6 untagged traffic */
|
|
buf[i + ICE_DSCP_IPV6_OFFSET] = 0;
|
|
}
|
|
|
|
#define ICE_BYTES_PER_TC 8
|
|
/**
|
|
* ice_add_dscp_enf_tlv - Prepare DSCP Enforcement TLV
|
|
* @tlv: location to build the TLV data
|
|
*/
|
|
static void
|
|
ice_add_dscp_enf_tlv(struct ice_lldp_org_tlv *tlv)
|
|
{
|
|
u8 *buf = tlv->tlvinfo;
|
|
u32 ouisubtype;
|
|
u16 typelen;
|
|
|
|
typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
|
|
ICE_DSCP_ENF_TLV_LEN);
|
|
tlv->typelen = htons(typelen);
|
|
|
|
ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) |
|
|
ICE_DSCP_SUBTYPE_ENFORCE);
|
|
tlv->ouisubtype = htonl(ouisubtype);
|
|
|
|
/* Allow all DSCP values to be valid for all TC's (IPv4 and IPv6) */
|
|
memset(buf, 0, 2 * (ICE_MAX_TRAFFIC_CLASS * ICE_BYTES_PER_TC));
|
|
}
|
|
|
|
/**
|
|
* ice_add_dscp_tc_bw_tlv - Prepare DSCP BW for TC TLV
|
|
* @tlv: location to build the TLV data
|
|
* @dcbcfg: location of the data to convert to TLV
|
|
*/
|
|
static void
|
|
ice_add_dscp_tc_bw_tlv(struct ice_lldp_org_tlv *tlv,
|
|
struct ice_dcbx_cfg *dcbcfg)
|
|
{
|
|
struct ice_dcb_ets_cfg *etscfg;
|
|
u8 *buf = tlv->tlvinfo;
|
|
u32 ouisubtype;
|
|
u8 offset = 0;
|
|
u16 typelen;
|
|
int i;
|
|
|
|
typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
|
|
ICE_DSCP_TC_BW_TLV_LEN);
|
|
tlv->typelen = htons(typelen);
|
|
|
|
ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) |
|
|
ICE_DSCP_SUBTYPE_TCBW);
|
|
tlv->ouisubtype = htonl(ouisubtype);
|
|
|
|
/* First Octect after subtype
|
|
* ----------------------------
|
|
* | RSV | CBS | RSV | Max TCs |
|
|
* | 1b | 1b | 3b | 3b |
|
|
* ----------------------------
|
|
*/
|
|
etscfg = &dcbcfg->etscfg;
|
|
buf[0] = etscfg->maxtcs & ICE_IEEE_ETS_MAXTC_M;
|
|
|
|
/* bytes 1 - 4 reserved */
|
|
offset = 5;
|
|
|
|
/* TC BW table
|
|
* bytes 0 - 7 for TC 0 - 7
|
|
*
|
|
* TSA Assignment table
|
|
* bytes 8 - 15 for TC 0 - 7
|
|
*/
|
|
for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
|
|
buf[offset] = etscfg->tcbwtable[i];
|
|
buf[offset + ICE_MAX_TRAFFIC_CLASS] = etscfg->tsatable[i];
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* ice_add_dscp_pfc_tlv - Prepare DSCP PFC TLV
|
|
* @tlv: Fill PFC TLV in IEEE format
|
|
* @dcbcfg: Local store which holds the PFC CFG data
|
|
*/
|
|
static void
|
|
ice_add_dscp_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_DSCP_PFC_TLV_LEN);
|
|
tlv->typelen = htons(typelen);
|
|
|
|
ouisubtype = (u32)((ICE_DSCP_OUI << ICE_LLDP_TLV_OUI_S) |
|
|
ICE_DSCP_SUBTYPE_PFC);
|
|
tlv->ouisubtype = htonl(ouisubtype);
|
|
|
|
buf[0] = dcbcfg->pfc.pfccap & 0xF;
|
|
buf[1] = dcbcfg->pfc.pfcena;
|
|
}
|
|
|
|
/**
|
|
* ice_add_dcb_tlv - Add all IEEE or DSCP 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)
|
|
{
|
|
if (dcbcfg->pfc_mode == ICE_QOS_MODE_VLAN) {
|
|
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;
|
|
}
|
|
} else {
|
|
/* pfc_mode == ICE_QOS_MODE_DSCP */
|
|
switch (tlvid) {
|
|
case ICE_TLV_ID_DSCP_UP:
|
|
ice_add_dscp_up_tlv(tlv, dcbcfg);
|
|
break;
|
|
case ICE_TLV_ID_DSCP_ENF:
|
|
ice_add_dscp_enf_tlv(tlv);
|
|
break;
|
|
case ICE_TLV_ID_DSCP_TC_BW:
|
|
ice_add_dscp_tc_bw_tlv(tlv, dcbcfg);
|
|
break;
|
|
case ICE_TLV_ID_DSCP_TO_PFC:
|
|
ice_add_dscp_pfc_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
|
|
*/
|
|
static 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
|
|
*/
|
|
int ice_set_dcb_cfg(struct ice_port_info *pi)
|
|
{
|
|
u8 mib_type, *lldpmib = NULL;
|
|
struct ice_dcbx_cfg *dcbcfg;
|
|
struct ice_hw *hw;
|
|
u16 miblen;
|
|
int ret;
|
|
|
|
if (!pi)
|
|
return -EINVAL;
|
|
|
|
hw = pi->hw;
|
|
|
|
/* update the HW local config */
|
|
dcbcfg = &pi->qos_cfg.local_dcbx_cfg;
|
|
/* Allocate the LLDPDU */
|
|
lldpmib = devm_kzalloc(ice_hw_to_dev(hw), ICE_LLDPDU_SIZE, GFP_KERNEL);
|
|
if (!lldpmib)
|
|
return -ENOMEM;
|
|
|
|
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);
|
|
|
|
devm_kfree(ice_hw_to_dev(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
|
|
*/
|
|
static int
|
|
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;
|
|
int status;
|
|
|
|
if (!pi)
|
|
return -EINVAL;
|
|
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
|
|
*/
|
|
static int
|
|
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_txsched_elem_data elem;
|
|
u32 teid1, teid2;
|
|
int status = 0;
|
|
u8 i, j;
|
|
|
|
if (!pi)
|
|
return -EINVAL;
|
|
/* 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);
|
|
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
|
|
*/
|
|
int
|
|
ice_query_port_ets(struct ice_port_info *pi,
|
|
struct ice_aqc_port_ets_elem *buf, u16 buf_size,
|
|
struct ice_sq_cd *cd)
|
|
{
|
|
int status;
|
|
|
|
mutex_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);
|
|
mutex_unlock(&pi->sched_lock);
|
|
return status;
|
|
}
|