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[portsorch] Expose supported FEC modes to STABE_DB and check whether …
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…FEC mode is supported before setting it (sonic-net#2400)

* Revert "Revert "[portsorch] Expose supported FEC modes to STABE_DB and check whether FEC mode is supported before setting it (sonic-net#2333)" (sonic-net#2396)"

This reverts commit 6565b50.

* Adjust the prototype of setPortFec

Signed-off-by: Stephen Sun <[email protected]>
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@stephenxs
stephenxs authored Aug 8, 2022
1 parent 168bd3b commit 1e1438e
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Showing 4 changed files with 344 additions and 13 deletions.
2 changes: 1 addition & 1 deletion orchagent/p4orch/tests/fake_portorch.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -518,7 +518,7 @@ bool PortsOrch::getPortPvid(Port &port, sai_uint32_t &pvid)
return true;
}

bool PortsOrch::setPortFec(Port &port, sai_port_fec_mode_t mode)
bool PortsOrch::setPortFec(Port &port, std::string &mode)
{
return true;
}
Expand Down
120 changes: 109 additions & 11 deletions orchagent/portsorch.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,13 @@ static map<string, sai_port_fec_mode_t> fec_mode_map =
{ "fc", SAI_PORT_FEC_MODE_FC }
};

static map<sai_port_fec_mode_t, string> fec_mode_reverse_map =
{
{ SAI_PORT_FEC_MODE_NONE, "none" },
{ SAI_PORT_FEC_MODE_RS, "rs" },
{ SAI_PORT_FEC_MODE_FC, "fc" }
};

static map<string, sai_port_priority_flow_control_mode_t> pfc_asym_map =
{
{ "on", SAI_PORT_PRIORITY_FLOW_CONTROL_MODE_SEPARATE },
Expand Down Expand Up @@ -1214,27 +1221,39 @@ bool PortsOrch::setPortTpid(sai_object_id_t id, sai_uint16_t tpid)
return true;
}


bool PortsOrch::setPortFec(Port &port, sai_port_fec_mode_t mode)
bool PortsOrch::setPortFec(Port &port, string &mode)
{
SWSS_LOG_ENTER();

auto searchRef = m_portSupportedFecModes.find(port.m_port_id);
if (searchRef != m_portSupportedFecModes.end())
{
auto &supportedFecModes = searchRef->second;
if (!supportedFecModes.empty() && (supportedFecModes.find(mode) == supportedFecModes.end()))
{
SWSS_LOG_ERROR("Unsupported mode %s on port %s", mode.c_str(), port.m_alias.c_str());
// We return true becase the caller will keep the item in m_toSync and retry it later if we return false
// As the FEC mode is not supported it doesn't make sense to retry.
return true;
}
}

sai_attribute_t attr;
attr.id = SAI_PORT_ATTR_FEC_MODE;
attr.value.s32 = mode;
attr.value.s32 = port.m_fec_mode;

sai_status_t status = sai_port_api->set_port_attribute(port.m_port_id, &attr);
if (status != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to set fec mode %d to port pid:%" PRIx64, mode, port.m_port_id);
SWSS_LOG_ERROR("Failed to set FEC mode %s to port %s", mode.c_str(), port.m_alias.c_str());
task_process_status handle_status = handleSaiSetStatus(SAI_API_PORT, status);
if (handle_status != task_success)
{
return parseHandleSaiStatusFailure(handle_status);
}
}

SWSS_LOG_INFO("Set fec mode %d to port pid:%" PRIx64, mode, port.m_port_id);
SWSS_LOG_NOTICE("Set port %s FEC mode %s", port.m_alias.c_str(), mode.c_str());

setGearboxPortsAttr(port, SAI_PORT_ATTR_FEC_MODE, &mode);

Expand Down Expand Up @@ -2011,6 +2030,7 @@ void PortsOrch::initPortSupportedSpeeds(const std::string& alias, sai_object_id_
m_portStateTable.set(alias, v);
}


void PortsOrch::initPortCapAutoNeg(Port &port)
{
sai_status_t status;
Expand Down Expand Up @@ -2040,6 +2060,87 @@ void PortsOrch::initPortCapLinkTraining(Port &port)
SWSS_LOG_WARN("Unable to get %s LT support capability", port.m_alias.c_str());
}

void PortsOrch::getPortSupportedFecModes(const std::string& alias, sai_object_id_t port_id, PortSupportedFecModes &supported_fecmodes)
{
sai_attribute_t attr;
sai_status_t status;
vector<sai_int32_t> fecModes(fec_mode_reverse_map.size());

attr.id = SAI_PORT_ATTR_SUPPORTED_FEC_MODE;
attr.value.s32list.count = static_cast<uint32_t>(fecModes.size());
attr.value.s32list.list = fecModes.data();

status = sai_port_api->get_port_attribute(port_id, 1, &attr);
fecModes.resize(attr.value.s32list.count);
if (status == SAI_STATUS_SUCCESS)
{
if (fecModes.empty())
{
supported_fecmodes.insert("N/A");
}
else
{
for(auto fecMode : fecModes)
{
supported_fecmodes.insert(fec_mode_reverse_map[static_cast<sai_port_fec_mode_t>(fecMode)]);
}
}
}
else
{
if (SAI_STATUS_IS_ATTR_NOT_SUPPORTED(status) ||
SAI_STATUS_IS_ATTR_NOT_IMPLEMENTED(status) ||
status == SAI_STATUS_NOT_IMPLEMENTED)
{
// unable to validate FEC mode if attribute is not supported on platform
SWSS_LOG_NOTICE("Unable to validate FEC mode for port %s id=%" PRIx64 " due to unsupported by platform",
alias.c_str(), port_id);
}
else
{
SWSS_LOG_ERROR("Failed to get a list of supported FEC modes for port %s id=%" PRIx64 ". Error=%d",
alias.c_str(), port_id, status);
}

supported_fecmodes.clear(); // return empty
}
}

void PortsOrch::initPortSupportedFecModes(const std::string& alias, sai_object_id_t port_id)
{
// If port supported speeds map already contains the information, save the SAI call
if (m_portSupportedFecModes.count(port_id))
{
return;
}
PortSupportedFecModes supported_fec_modes;
getPortSupportedFecModes(alias, port_id, supported_fec_modes);
m_portSupportedFecModes[port_id] = supported_fec_modes;

if (supported_fec_modes.empty())
{
// Do not expose "supported_fecs" in case fetching FEC modes is not supported by the vendor
SWSS_LOG_INFO("No supported_fecs exposed to STATE_DB for port %s since fetching supported FEC modes is not supported by the vendor",
alias.c_str());
return;
}

vector<FieldValueTuple> v;
std::string supported_fec_modes_str;
bool first = true;
for(auto fec : supported_fec_modes)
{
if (first)
first = false;
else
supported_fec_modes_str += ',';
supported_fec_modes_str += fec;
}

v.emplace_back(std::make_pair("supported_fecs", supported_fec_modes_str));
m_portStateTable.set(alias, v);
}

/*
* If Gearbox is enabled and this is a Gearbox port then set the attributes accordingly.
*/
Expand Down Expand Up @@ -3105,6 +3206,7 @@ void PortsOrch::doPortTask(Consumer &consumer)
}

initPortSupportedSpeeds(get<0>(it->second), m_portListLaneMap[it->first]);
initPortSupportedFecModes(get<0>(it->second), m_portListLaneMap[it->first]);
it++;
}

Expand Down Expand Up @@ -3520,14 +3622,12 @@ void PortsOrch::doPortTask(Consumer &consumer)
p.m_fec_mode = fec_mode_map[fec_mode];
p.m_fec_cfg = true;

if (setPortFec(p, p.m_fec_mode))
if (setPortFec(p, fec_mode))
{
m_portList[alias] = p;
SWSS_LOG_NOTICE("Set port %s fec to %s", alias.c_str(), fec_mode.c_str());
}
else
{
SWSS_LOG_ERROR("Failed to set port %s fec to %s", alias.c_str(), fec_mode.c_str());
it++;
continue;
}
Expand All @@ -3537,14 +3637,12 @@ void PortsOrch::doPortTask(Consumer &consumer)
/* Port is already down, setting fec mode*/
p.m_fec_mode = fec_mode_map[fec_mode];
p.m_fec_cfg = true;
if (setPortFec(p, p.m_fec_mode))
if (setPortFec(p, fec_mode))
{
m_portList[alias] = p;
SWSS_LOG_NOTICE("Set port %s fec to %s", alias.c_str(), fec_mode.c_str());
}
else
{
SWSS_LOG_ERROR("Failed to set port %s fec to %s", alias.c_str(), fec_mode.c_str());
it++;
continue;
}
Expand Down
8 changes: 7 additions & 1 deletion orchagent/portsorch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
#define PG_DROP_STAT_COUNTER_FLEX_COUNTER_GROUP "PG_DROP_STAT_COUNTER"

typedef std::vector<sai_uint32_t> PortSupportedSpeeds;
typedef std::set<std::string> PortSupportedFecModes;

static const map<sai_port_oper_status_t, string> oper_status_strings =
{
Expand Down Expand Up @@ -209,6 +210,8 @@ class PortsOrch : public Orch, public Subject
unique_ptr<Table> m_gbcounterTable;

std::map<sai_object_id_t, PortSupportedSpeeds> m_portSupportedSpeeds;
// Supported FEC modes on the system side.
std::map<sai_object_id_t, PortSupportedFecModes> m_portSupportedFecModes;

bool m_initDone = false;
Port m_cpuPort;
Expand Down Expand Up @@ -311,7 +314,7 @@ class PortsOrch : public Orch, public Subject
bool setPortTpid(sai_object_id_t id, sai_uint16_t tpid);
bool setPortPvid (Port &port, sai_uint32_t pvid);
bool getPortPvid(Port &port, sai_uint32_t &pvid);
bool setPortFec(Port &port, sai_port_fec_mode_t mode);
bool setPortFec(Port &port, std::string &mode);
bool setPortPfcAsym(Port &port, string pfc_asym);
bool getDestPortId(sai_object_id_t src_port_id, dest_port_type_t port_type, sai_object_id_t &des_port_id);

Expand All @@ -320,6 +323,9 @@ class PortsOrch : public Orch, public Subject
bool isSpeedSupported(const std::string& alias, sai_object_id_t port_id, sai_uint32_t speed);
void getPortSupportedSpeeds(const std::string& alias, sai_object_id_t port_id, PortSupportedSpeeds &supported_speeds);
void initPortSupportedSpeeds(const std::string& alias, sai_object_id_t port_id);
// Get supported FEC modes on system side
void getPortSupportedFecModes(const std::string& alias, sai_object_id_t port_id, PortSupportedFecModes &supported_fecmodes);
void initPortSupportedFecModes(const std::string& alias, sai_object_id_t port_id);
task_process_status setPortSpeed(Port &port, sai_uint32_t speed);
bool getPortSpeed(sai_object_id_t id, sai_uint32_t &speed);
bool setGearboxPortsAttr(Port &port, sai_port_attr_t id, void *value);
Expand Down
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