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sys/dev/ice/ice_dcb.c
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/* SPDX-License-Identifier: BSD-3-Clause */ | |||||
/* Copyright (c) 2020, Intel Corporation | |||||
* All rights reserved. | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions are met: | |||||
* | |||||
* 1. Redistributions of source code must retain the above copyright notice, | |||||
* this list of conditions and the following disclaimer. | |||||
* | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* 3. Neither the name of the Intel Corporation nor the names of its | |||||
* contributors may be used to endorse or promote products derived from | |||||
* this software without specific prior written permission. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |||||
* POSSIBILITY OF SUCH DAMAGE. | |||||
*/ | |||||
/*$FreeBSD$*/ | |||||
#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_add_delete_lldp_tlv | |||||
* @hw: pointer to the HW struct | |||||
* @bridge_type: type of bridge | |||||
* @add_lldp_tlv: add (true) or delete (false) TLV | |||||
* @buf: buffer with TLV to add or delete | |||||
* @buf_size: length of the buffer | |||||
* @tlv_len: length of the TLV to be added/deleted | |||||
* @mib_len: length of the LLDP MIB returned in response | |||||
* @cd: pointer to command details structure or NULL | |||||
* | |||||
* (Add tlv) | |||||
* Add the specified TLV to LLDP Local MIB for the given bridge type, | |||||
* it is responsibility of the caller to make sure that the TLV is not | |||||
* already present in the LLDPDU. | |||||
* In return firmware will write the complete LLDP MIB with the newly | |||||
* added TLV in the response buffer. (0x0A02) | |||||
* | |||||
* (Delete tlv) | |||||
* Delete the specified TLV from LLDP Local MIB for the given bridge type. | |||||
* The firmware places the entire LLDP MIB in the response buffer. (0x0A04) | |||||
*/ | |||||
enum ice_status | |||||
ice_aq_add_delete_lldp_tlv(struct ice_hw *hw, u8 bridge_type, bool add_lldp_tlv, | |||||
void *buf, u16 buf_size, u16 tlv_len, u16 *mib_len, | |||||
struct ice_sq_cd *cd) | |||||
{ | |||||
struct ice_aqc_lldp_add_delete_tlv *cmd; | |||||
struct ice_aq_desc desc; | |||||
enum ice_status status; | |||||
if (tlv_len == 0) | |||||
return ICE_ERR_PARAM; | |||||
cmd = &desc.params.lldp_add_delete_tlv; | |||||
if (add_lldp_tlv) | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_add_tlv); | |||||
else | |||||
ice_fill_dflt_direct_cmd_desc(&desc, | |||||
ice_aqc_opc_lldp_delete_tlv); | |||||
desc.flags |= CPU_TO_LE16((u16)(ICE_AQ_FLAG_RD)); | |||||
cmd->type = ((bridge_type << ICE_AQ_LLDP_BRID_TYPE_S) & | |||||
ICE_AQ_LLDP_BRID_TYPE_M); | |||||
cmd->len = CPU_TO_LE16(tlv_len); | |||||
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); | |||||
if (!status && mib_len) | |||||
*mib_len = LE16_TO_CPU(desc.datalen); | |||||
return status; | |||||
} | |||||
/** | |||||
* ice_aq_update_lldp_tlv | |||||
* @hw: pointer to the HW struct | |||||
* @bridge_type: type of bridge | |||||
* @buf: buffer with TLV to update | |||||
* @buf_size: size of the buffer holding original and updated TLVs | |||||
* @old_len: Length of the Original TLV | |||||
* @new_len: Length of the Updated TLV | |||||
* @offset: offset of the updated TLV in the buff | |||||
* @mib_len: length of the returned LLDP MIB | |||||
* @cd: pointer to command details structure or NULL | |||||
* | |||||
* Update the specified TLV to the LLDP Local MIB for the given bridge type. | |||||
* Firmware will place the complete LLDP MIB in response buffer with the | |||||
* updated TLV. (0x0A03) | |||||
*/ | |||||
enum ice_status | |||||
ice_aq_update_lldp_tlv(struct ice_hw *hw, u8 bridge_type, void *buf, | |||||
u16 buf_size, u16 old_len, u16 new_len, u16 offset, | |||||
u16 *mib_len, struct ice_sq_cd *cd) | |||||
{ | |||||
struct ice_aqc_lldp_update_tlv *cmd; | |||||
struct ice_aq_desc desc; | |||||
enum ice_status status; | |||||
cmd = &desc.params.lldp_update_tlv; | |||||
if (offset == 0 || old_len == 0 || new_len == 0) | |||||
return ICE_ERR_PARAM; | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_update_tlv); | |||||
desc.flags |= CPU_TO_LE16((u16)(ICE_AQ_FLAG_RD)); | |||||
cmd->type = ((bridge_type << ICE_AQ_LLDP_BRID_TYPE_S) & | |||||
ICE_AQ_LLDP_BRID_TYPE_M); | |||||
cmd->old_len = CPU_TO_LE16(old_len); | |||||
cmd->new_offset = CPU_TO_LE16(offset); | |||||
cmd->new_len = CPU_TO_LE16(new_len); | |||||
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); | |||||
if (!status && mib_len) | |||||
*mib_len = LE16_TO_CPU(desc.datalen); | |||||
return status; | |||||
} | |||||
/** | |||||
* 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 | |||||
* @persist: True if Stop/Shutdown of LLDP Agent needs to be persistent across | |||||
* reboots | |||||
* @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, bool persist, | |||||
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; | |||||
if (persist) | |||||
cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_DIS; | |||||
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); | |||||
} | |||||
/** | |||||
* ice_aq_start_lldp | |||||
* @hw: pointer to the HW struct | |||||
* @persist: True if Start of LLDP Agent needs to be persistent across reboots | |||||
* @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, bool persist, 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; | |||||
if (persist) | |||||
cmd->command |= ICE_AQ_LLDP_AGENT_PERSIST_ENA; | |||||
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++]; | |||||
if (etscfg->prio_table[i] == ICE_CEE_PGID_STRICT) | |||||
dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_STRICT; | |||||
else | |||||
dcbcfg->etscfg.tsatable[i] = ICE_IEEE_TSA_ETS; | |||||
} | |||||
/* 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_dcb_ignore_pfc - Ignore PFC for given TCs | |||||
* @hw: pointer to the HW struct | |||||
* @tcmap: TC map for request/release any ignore PFC condition | |||||
* @request: request (true) or release (false) ignore PFC condition | |||||
* @tcmap_ret: return TCs for which PFC is currently ignored | |||||
* @cd: pointer to command details structure or NULL | |||||
* | |||||
* This sends out request/release to ignore PFC condition for a TC. | |||||
* It will return the TCs for which PFC is currently ignored. (0x0301) | |||||
*/ | |||||
enum ice_status | |||||
ice_aq_dcb_ignore_pfc(struct ice_hw *hw, u8 tcmap, bool request, u8 *tcmap_ret, | |||||
struct ice_sq_cd *cd) | |||||
{ | |||||
struct ice_aqc_pfc_ignore *cmd; | |||||
struct ice_aq_desc desc; | |||||
enum ice_status status; | |||||
cmd = &desc.params.pfc_ignore; | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_pfc_ignore); | |||||
if (request) | |||||
cmd->cmd_flags = ICE_AQC_PFC_IGNORE_SET; | |||||
cmd->tc_bitmap = tcmap; | |||||
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); | |||||
if (!status && tcmap_ret) | |||||
*tcmap_ret = cmd->tc_bitmap; | |||||
return status; | |||||
} | |||||
/** | |||||
* 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_aq_query_pfc_mode - Query PFC mode | |||||
* @hw: pointer to the HW struct | |||||
* @pfcmode_ret: Return PFC mode | |||||
* @cd: pointer to command details structure or NULL | |||||
* | |||||
* This will return an indication if DSCP-based PFC or VLAN-based PFC | |||||
* is enabled. (0x0302) | |||||
*/ | |||||
enum ice_status | |||||
ice_aq_query_pfc_mode(struct ice_hw *hw, u8 *pfcmode_ret, struct ice_sq_cd *cd) | |||||
{ | |||||
struct ice_aqc_set_query_pfc_mode *cmd; | |||||
struct ice_aq_desc desc; | |||||
enum ice_status status; | |||||
cmd = &desc.params.set_query_pfc_mode; | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_query_pfc_mode); | |||||
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); | |||||
if (!status) | |||||
*pfcmode_ret = cmd->pfc_mode; | |||||
return status; | |||||
} | |||||
/** | |||||
* ice_aq_set_pfc_mode - Set PFC mode | |||||
* @hw: pointer to the HW struct | |||||
* @pfcmode_set: set-value of PFC mode | |||||
* @pfcmode_ret: return value of PFC mode, written by FW | |||||
* @cd: pointer to command details structure or NULL | |||||
* | |||||
* This AQ call configures the PFC mdoe to DSCP-based PFC mode or VLAN | |||||
* -based PFC (0x0303) | |||||
*/ | |||||
enum ice_status | |||||
ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfcmode_set, u8 *pfcmode_ret, | |||||
struct ice_sq_cd *cd) | |||||
{ | |||||
struct ice_aqc_set_query_pfc_mode *cmd; | |||||
struct ice_aq_desc desc; | |||||
enum ice_status status; | |||||
if (pfcmode_set > ICE_AQC_PFC_DSCP_BASED_PFC) | |||||
return ICE_ERR_PARAM; | |||||
cmd = &desc.params.set_query_pfc_mode; | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_pfc_mode); | |||||
cmd->pfc_mode = pfcmode_set; | |||||
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); | |||||
if (!status) | |||||
*pfcmode_ret = cmd->pfc_mode; | |||||
return status; | |||||
} | |||||
/** | |||||
* ice_aq_set_dcb_parameters - Set DCB parameters | |||||
* @hw: pointer to the HW struct | |||||
* @dcb_enable: True if DCB configuration needs to be applied | |||||
* @cd: pointer to command details structure or NULL | |||||
* | |||||
* This AQ command will tell FW if it will apply or not apply the default DCB | |||||
* configuration when link up (0x0306). | |||||
*/ | |||||
enum ice_status | |||||
ice_aq_set_dcb_parameters(struct ice_hw *hw, bool dcb_enable, | |||||
struct ice_sq_cd *cd) | |||||
{ | |||||
struct ice_aqc_set_dcb_params *cmd; | |||||
struct ice_aq_desc desc; | |||||
cmd = &desc.params.set_dcb_params; | |||||
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_dcb_params); | |||||
cmd->valid_flags = ICE_AQC_LINK_UP_DCB_CFG_VALID; | |||||
if (dcb_enable) | |||||
cmd->cmd_flags = ICE_AQC_LINK_UP_DCB_CFG; | |||||
return ice_aq_send_cmd(hw, &desc, NULL, 0, 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 | |||||
* @enable_mib_change: enable MIB change event | |||||
* | |||||
* Update DCB configuration from the Firmware | |||||
*/ | |||||
enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change) | |||||
{ | |||||
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 || | |||||
pi->dcbx_status == ICE_DCBX_STATUS_NOT_STARTED) { | |||||
/* Get current DCBX configuration */ | |||||
ret = ice_get_dcb_cfg(pi); | |||||
if (ret) | |||||
return ret; | |||||
pi->is_sw_lldp = false; | |||||
} else if (pi->dcbx_status == ICE_DCBX_STATUS_DIS) { | |||||
return ICE_ERR_NOT_READY; | |||||
} | |||||
/* Configure the LLDP MIB change event */ | |||||
if (enable_mib_change) { | |||||
ret = ice_aq_cfg_lldp_mib_change(hw, true, NULL); | |||||
if (ret) | |||||
pi->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 | |||||
*/ | |||||
enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib) | |||||
{ | |||||
struct ice_port_info *pi = hw->port_info; | |||||
enum ice_status ret; | |||||
if (!hw->func_caps.common_cap.dcb) | |||||
return ICE_ERR_NOT_SUPPORTED; | |||||
/* Get DCBX status */ | |||||
pi->dcbx_status = ice_get_dcbx_status(hw); | |||||
if (pi->dcbx_status == ICE_DCBX_STATUS_DIS) | |||||
return ICE_ERR_NOT_READY; | |||||
ret = ice_aq_cfg_lldp_mib_change(hw, ena_mib, NULL); | |||||
if (!ret) | |||||
pi->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_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; | |||||
} |