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Cherry pick of sonic-net#2589
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Signed-off-by: siqbal1486 <shahzad.iqbal@microsoft.com>
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@siqbal1986
siqbal1986 committed Jan 20, 2023
1 parent 96180bf commit 5881a24
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Showing 3 changed files with 218 additions and 24 deletions.
136 changes: 119 additions & 17 deletions orchagent/vnetorch.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,7 @@ bool VNetOrch::addOperation(const Request& request)
uint32_t vni=0;
string tunnel;
string scope;
swss::MacAddress overlay_dmac;

for (const auto& name: request.getAttrFieldNames())
{
Expand Down Expand Up @@ -456,6 +457,10 @@ bool VNetOrch::addOperation(const Request& request)
{
advertise_prefix = request.getAttrBool("advertise_prefix");
}
else if (name == "overlay_dmac")
{
overlay_dmac = request.getAttrMacAddress("overlay_dmac");
}
else
{
SWSS_LOG_INFO("Unknown attribute: %s", name.c_str());
Expand All @@ -482,7 +487,7 @@ bool VNetOrch::addOperation(const Request& request)

if (it == std::end(vnet_table_))
{
VNetInfo vnet_info = { tunnel, vni, peer_list, scope, advertise_prefix };
VNetInfo vnet_info = { tunnel, vni, peer_list, scope, advertise_prefix, overlay_dmac };
obj = createObject<VNetVrfObject>(vnet_name, vnet_info, attrs);
create = true;

Expand Down Expand Up @@ -673,8 +678,11 @@ VNetRouteOrch::VNetRouteOrch(DBConnector *db, vector<string> &tableNames, VNetOr
handler_map_.insert(handler_pair(APP_VNET_RT_TUNNEL_TABLE_NAME, &VNetRouteOrch::handleTunnel));

state_db_ = shared_ptr<DBConnector>(new DBConnector("STATE_DB", 0));
app_db_ = shared_ptr<DBConnector>(new DBConnector("APPL_DB", 0));

state_vnet_rt_tunnel_table_ = unique_ptr<Table>(new Table(state_db_.get(), STATE_VNET_RT_TUNNEL_TABLE_NAME));
state_vnet_rt_adv_table_ = unique_ptr<Table>(new Table(state_db_.get(), STATE_ADVERTISE_NETWORK_TABLE_NAME));
monitor_session_producer_ = unique_ptr<Table>(new Table(app_db_.get(), APP_VNET_MONITOR_TABLE_NAME));

gBfdOrch->attach(this);
}
Expand Down Expand Up @@ -843,6 +851,7 @@ bool VNetRouteOrch::removeNextHopGroup(const string& vnet, const NextHopGroupKey
template<>
bool VNetRouteOrch::doRouteTask<VNetVrfObject>(const string& vnet, IpPrefix& ipPrefix,
NextHopGroupKey& nexthops, string& op, string& profile,
const string& monitoring,
const map<NextHopKey, IpAddress>& monitors)
{
SWSS_LOG_ENTER();
Expand Down Expand Up @@ -883,7 +892,7 @@ bool VNetRouteOrch::doRouteTask<VNetVrfObject>(const string& vnet, IpPrefix& ipP
sai_object_id_t nh_id;
if (!hasNextHopGroup(vnet, nexthops))
{
setEndpointMonitor(vnet, monitors, nexthops);
setEndpointMonitor(vnet, monitors, nexthops, monitoring, ipPrefix);
if (nexthops.getSize() == 1)
{
NextHopKey nexthop(nexthops.to_string(), true);
Expand All @@ -900,7 +909,7 @@ bool VNetRouteOrch::doRouteTask<VNetVrfObject>(const string& vnet, IpPrefix& ipP
{
if (!addNextHopGroup(vnet, nexthops, vrf_obj))
{
delEndpointMonitor(vnet, nexthops);
delEndpointMonitor(vnet, nexthops, ipPrefix);
SWSS_LOG_ERROR("Failed to create next hop group %s", nexthops.to_string().c_str());
return false;
}
Expand Down Expand Up @@ -974,7 +983,7 @@ bool VNetRouteOrch::doRouteTask<VNetVrfObject>(const string& vnet, IpPrefix& ipP
NextHopKey nexthop(nhg.to_string(), true);
vrf_obj->removeTunnelNextHop(nexthop);
}
delEndpointMonitor(vnet, nhg);
delEndpointMonitor(vnet, nhg, ipPrefix);
}
else
{
Expand Down Expand Up @@ -1034,7 +1043,7 @@ bool VNetRouteOrch::doRouteTask<VNetVrfObject>(const string& vnet, IpPrefix& ipP
NextHopKey nexthop(nhg.to_string(), true);
vrf_obj->removeTunnelNextHop(nexthop);
}
delEndpointMonitor(vnet, nhg);
delEndpointMonitor(vnet, nhg, ipPrefix);
}
else
{
Expand Down Expand Up @@ -1552,39 +1561,118 @@ void VNetRouteOrch::removeBfdSession(const string& vnet, const NextHopKey& endpo
bfd_sessions_.erase(monitor_addr);
}

void VNetRouteOrch::setEndpointMonitor(const string& vnet, const map<NextHopKey, IpAddress>& monitors, NextHopGroupKey& nexthops)
void VNetRouteOrch::createMonitoringSession(const string& vnet, const NextHopKey& endpoint, const IpAddress& monitor_addr, IpPrefix& ipPrefix)
{
SWSS_LOG_ENTER();

IpAddress endpoint_addr = endpoint.ip_address;
if (monitor_info_[vnet].find(ipPrefix) != monitor_info_[vnet].end() &&
monitor_info_[vnet][ipPrefix].find(endpoint) != monitor_info_[vnet][ipPrefix].end())
{
SWSS_LOG_NOTICE("Monitoring session for prefix %s endpoint %s already exist", ipPrefix.to_string().c_str(), endpoint_addr.to_string().c_str());
return;
}
else
{
vector<FieldValueTuple> data;
auto *vnet_obj = vnet_orch_->getTypePtr<VNetVrfObject>(vnet);

auto overlay_dmac = vnet_obj->getOverlayDMac();
string key = ipPrefix.to_string() + ":" + monitor_addr.to_string();
FieldValueTuple fvTuple1("packet_type", "vxlan");
data.push_back(fvTuple1);

FieldValueTuple fvTuple3("overlay_dmac", overlay_dmac.to_string());
data.push_back(fvTuple3);

monitor_session_producer_->set(key, data);

MonitorSessionInfo& info = monitor_info_[vnet][ipPrefix][endpoint];
info.monitor = monitor_addr;
info.state = MONITOR_SESSION_STATE::MONITOR_SESSION_STATE_DOWN;
}
}

void VNetRouteOrch::removeMonitoringSession(const string& vnet, const NextHopKey& endpoint, const IpAddress& monitor_addr, IpPrefix& ipPrefix)
{
SWSS_LOG_ENTER();

IpAddress endpoint_addr = endpoint.ip_address;
if (monitor_info_[vnet].find(ipPrefix) == monitor_info_[vnet].end() ||
monitor_info_[vnet][ipPrefix].find(endpoint) == monitor_info_[vnet][ipPrefix].end())
{
SWSS_LOG_NOTICE("Monitor session for prefix %s endpoint %s does not exist", ipPrefix.to_string().c_str(), endpoint_addr.to_string().c_str());
}

string key = ipPrefix.to_string() + ":" + monitor_addr.to_string();
monitor_session_producer_->del(key);
monitor_info_[vnet][ipPrefix].erase(endpoint);
}

void VNetRouteOrch::setEndpointMonitor(const string& vnet, const map<NextHopKey, IpAddress>& monitors, NextHopGroupKey& nexthops, const string& monitoring, IpPrefix& ipPrefix)
{
SWSS_LOG_ENTER();

for (auto monitor : monitors)
{
NextHopKey nh = monitor.first;
IpAddress monitor_ip = monitor.second;
if (nexthop_info_[vnet].find(nh.ip_address) == nexthop_info_[vnet].end())
if (monitoring == "custom")
{
createBfdSession(vnet, nh, monitor_ip);
if (monitor_info_[vnet].find(ipPrefix) == monitor_info_[vnet].end() ||
monitor_info_[vnet][ipPrefix].find(nh) == monitor_info_[vnet][ipPrefix].end())
{
createMonitoringSession(vnet, nh, monitor_ip, ipPrefix);
}
}
else
{
if (nexthop_info_[vnet].find(nh.ip_address) == nexthop_info_[vnet].end())
{
createBfdSession(vnet, nh, monitor_ip);
}
nexthop_info_[vnet][nh.ip_address].ref_count++;
}

nexthop_info_[vnet][nh.ip_address].ref_count++;
}
}

void VNetRouteOrch::delEndpointMonitor(const string& vnet, NextHopGroupKey& nexthops)
void VNetRouteOrch::delEndpointMonitor(const string& vnet, NextHopGroupKey& nexthops, IpPrefix& ipPrefix)
{
SWSS_LOG_ENTER();

std::set<NextHopKey> nhks = nexthops.getNextHops();
bool is_custom_monitoring = false;
if (monitor_info_[vnet].find(ipPrefix) != monitor_info_[vnet].end())
{
is_custom_monitoring = true;
}
for (auto nhk: nhks)
{
IpAddress ip = nhk.ip_address;
if (nexthop_info_[vnet].find(ip) != nexthop_info_[vnet].end()) {
if (--nexthop_info_[vnet][ip].ref_count == 0)
if (is_custom_monitoring)
{
if ( monitor_info_[vnet][ipPrefix].find(nhk) != monitor_info_[vnet][ipPrefix].end())
{
IpAddress monitor_addr = nexthop_info_[vnet][ip].monitor_addr;
removeBfdSession(vnet, nhk, monitor_addr);
removeMonitoringSession(vnet, nhk, monitor_info_[vnet][ipPrefix][nhk].monitor, ipPrefix);
}
}
else
{
if (nexthop_info_[vnet].find(ip) != nexthop_info_[vnet].end()) {
if (--nexthop_info_[vnet][ip].ref_count == 0)
{
IpAddress monitor_addr = nexthop_info_[vnet][ip].monitor_addr;
{
removeBfdSession(vnet, nhk, monitor_addr);
}
}
}
}
}
if (is_custom_monitoring)
{
monitor_info_[vnet].erase(ipPrefix);
}
}

void VNetRouteOrch::postRouteState(const string& vnet, IpPrefix& ipPrefix, NextHopGroupKey& nexthops, string& profile)
Expand Down Expand Up @@ -1845,7 +1933,9 @@ bool VNetRouteOrch::handleTunnel(const Request& request)
vector<string> vni_list;
vector<IpAddress> monitor_list;
string profile = "";

vector<IpAddress> primary_list;
string monitoring;
swss::IpPrefix adv_prefix;
for (const auto& name: request.getAttrFieldNames())
{
if (name == "endpoint")
Expand All @@ -1870,6 +1960,18 @@ bool VNetRouteOrch::handleTunnel(const Request& request)
{
profile = request.getAttrString(name);
}
else if (name == "primary")
{
primary_list = request.getAttrIPList(name);
}
else if (name == "monitoring")
{
monitoring = request.getAttrString(name);
}
else if (name == "adv_prefix")
{
adv_prefix = request.getAttrIpPrefix(name);
}
else
{
SWSS_LOG_INFO("Unknown attribute: %s", name.c_str());
Expand Down Expand Up @@ -1933,7 +2035,7 @@ bool VNetRouteOrch::handleTunnel(const Request& request)

if (vnet_orch_->isVnetExecVrf())
{
return doRouteTask<VNetVrfObject>(vnet_name, ip_pfx, nhg, op, profile, monitors);
return doRouteTask<VNetVrfObject>(vnet_name, ip_pfx, nhg, op, profile, monitoring, monitors);
}

return true;
Expand Down
39 changes: 36 additions & 3 deletions orchagent/vnetorch.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,12 @@

extern sai_object_id_t gVirtualRouterId;

enum class MONITOR_SESSION_STATE
{
MONITOR_SESSION_STATE_UP,
MONITOR_SESSION_STATE_DOWN,
MONITOR_SESSION_STATE_UNKNOWN,
};
const request_description_t vnet_request_description = {
{ REQ_T_STRING },
{
Expand All @@ -35,6 +41,8 @@ const request_description_t vnet_request_description = {
{ "guid", REQ_T_STRING },
{ "scope", REQ_T_STRING },
{ "advertise_prefix", REQ_T_BOOL},
{ "overlay_dmac", REQ_T_MAC_ADDRESS},

},
{ "vxlan_tunnel", "vni" } // mandatory attributes
};
Expand All @@ -60,6 +68,7 @@ struct VNetInfo
set<string> peers;
string scope;
bool advertise_prefix;
swss::MacAddress overlay_dmac;
};

typedef map<VR_TYPE, sai_object_id_t> vrid_list_t;
Expand Down Expand Up @@ -87,7 +96,8 @@ class VNetObject
peer_list_(vnetInfo.peers),
vni_(vnetInfo.vni),
scope_(vnetInfo.scope),
advertise_prefix_(vnetInfo.advertise_prefix)
advertise_prefix_(vnetInfo.advertise_prefix),
overlay_dmac_(vnetInfo.overlay_dmac)
{ }

virtual bool updateObj(vector<sai_attribute_t>&) = 0;
Expand Down Expand Up @@ -122,6 +132,11 @@ class VNetObject
return advertise_prefix_;
}

swss::MacAddress getOverlayDMac() const
{
return overlay_dmac_;
}

virtual ~VNetObject() noexcept(false) {};

private:
Expand All @@ -130,6 +145,7 @@ class VNetObject
uint32_t vni_;
string scope_;
bool advertise_prefix_;
swss::MacAddress overlay_dmac_;
};

struct nextHop
Expand Down Expand Up @@ -277,6 +293,9 @@ const request_description_t vnet_route_description = {
{ "mac_address", REQ_T_STRING },
{ "endpoint_monitor", REQ_T_IP_LIST },
{ "profile", REQ_T_STRING },
{ "primary", REQ_T_IP_LIST },
{ "monitoring", REQ_T_STRING },
{ "adv_prefix", REQ_T_IP_PREFIX },
},
{ }
};
Expand Down Expand Up @@ -321,9 +340,16 @@ struct BfdSessionInfo
NextHopKey endpoint;
};

struct MonitorSessionInfo
{
MONITOR_SESSION_STATE state;
IpAddress monitor;
};

typedef std::map<NextHopGroupKey, NextHopGroupInfo> VNetNextHopGroupInfoTable;
typedef std::map<IpPrefix, NextHopGroupKey> VNetTunnelRouteTable;
typedef std::map<IpAddress, BfdSessionInfo> BfdSessionTable;
typedef std::map<IpPrefix, std::map<NextHopKey, MonitorSessionInfo>> MonitorSessionTable;
typedef std::map<IpAddress, VNetNextHopInfo> VNetEndpointInfoTable;

class VNetRouteOrch : public Orch2, public Subject, public Observer
Expand Down Expand Up @@ -356,8 +382,11 @@ class VNetRouteOrch : public Orch2, public Subject, public Observer

void createBfdSession(const string& vnet, const NextHopKey& endpoint, const IpAddress& ipAddr);
void removeBfdSession(const string& vnet, const NextHopKey& endpoint, const IpAddress& ipAddr);
void setEndpointMonitor(const string& vnet, const map<NextHopKey, IpAddress>& monitors, NextHopGroupKey& nexthops);
void delEndpointMonitor(const string& vnet, NextHopGroupKey& nexthops);
void createMonitoringSession(const string& vnet, const NextHopKey& endpoint, const IpAddress& ipAddr, IpPrefix& ipPrefix);
void removeMonitoringSession(const string& vnet, const NextHopKey& endpoint, const IpAddress& ipAddr, IpPrefix& ipPrefix);
void setEndpointMonitor(const string& vnet, const map<NextHopKey, IpAddress>& monitors, NextHopGroupKey& nexthops,
const string& monitoring, IpPrefix& ipPrefix);
void delEndpointMonitor(const string& vnet, NextHopGroupKey& nexthops, IpPrefix& ipPrefix);
void postRouteState(const string& vnet, IpPrefix& ipPrefix, NextHopGroupKey& nexthops, string& profile);
void removeRouteState(const string& vnet, IpPrefix& ipPrefix);
void addRouteAdvertisement(IpPrefix& ipPrefix, string& profile);
Expand All @@ -368,6 +397,7 @@ class VNetRouteOrch : public Orch2, public Subject, public Observer

template<typename T>
bool doRouteTask(const string& vnet, IpPrefix& ipPrefix, NextHopGroupKey& nexthops, string& op, string& profile,
const string& monitoring,
const std::map<NextHopKey, IpAddress>& monitors=std::map<NextHopKey, IpAddress>());

template<typename T>
Expand All @@ -382,9 +412,12 @@ class VNetRouteOrch : public Orch2, public Subject, public Observer
std::map<std::string, VNetNextHopGroupInfoTable> syncd_nexthop_groups_;
std::map<std::string, VNetTunnelRouteTable> syncd_tunnel_routes_;
BfdSessionTable bfd_sessions_;
std::map<std::string, MonitorSessionTable> monitor_info_;
std::map<std::string, VNetEndpointInfoTable> nexthop_info_;
ProducerStateTable bfd_session_producer_;
unique_ptr<Table> monitor_session_producer_;
shared_ptr<DBConnector> state_db_;
shared_ptr<DBConnector> app_db_;
unique_ptr<Table> state_vnet_rt_tunnel_table_;
unique_ptr<Table> state_vnet_rt_adv_table_;
};
Expand Down
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