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aclorch.cpp
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aclorch.cpp
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#include <limits.h>
#include <algorithm>
#include "aclorch.h"
#include "logger.h"
#include "schema.h"
#include "ipprefix.h"
#include "converter.h"
using namespace std;
using namespace swss;
mutex AclOrch::m_countersMutex;
map<acl_range_properties_t, AclRange*> AclRange::m_ranges;
condition_variable AclOrch::m_sleepGuard;
bool AclOrch::m_bCollectCounters = true;
sai_uint32_t AclRule::m_minPriority = 0;
sai_uint32_t AclRule::m_maxPriority = 0;
swss::DBConnector AclOrch::m_db(COUNTERS_DB, DBConnector::DEFAULT_UNIXSOCKET, 0);
swss::Table AclOrch::m_countersTable(&m_db, "COUNTERS");
extern sai_acl_api_t* sai_acl_api;
extern sai_port_api_t* sai_port_api;
extern sai_switch_api_t* sai_switch_api;
acl_rule_attr_lookup_t aclMatchLookup =
{
{ MATCH_SRC_IP, SAI_ACL_ENTRY_ATTR_FIELD_SRC_IP },
{ MATCH_DST_IP, SAI_ACL_ENTRY_ATTR_FIELD_DST_IP },
{ MATCH_L4_SRC_PORT, SAI_ACL_ENTRY_ATTR_FIELD_L4_SRC_PORT },
{ MATCH_L4_DST_PORT, SAI_ACL_ENTRY_ATTR_FIELD_L4_DST_PORT },
{ MATCH_ETHER_TYPE, SAI_ACL_ENTRY_ATTR_FIELD_ETHER_TYPE },
{ MATCH_IP_PROTOCOL, SAI_ACL_ENTRY_ATTR_FIELD_IP_PROTOCOL },
{ MATCH_TCP_FLAGS, SAI_ACL_ENTRY_ATTR_FIELD_TCP_FLAGS },
{ MATCH_IP_TYPE, SAI_ACL_ENTRY_ATTR_FIELD_IP_TYPE },
{ MATCH_DSCP, SAI_ACL_ENTRY_ATTR_FIELD_DSCP },
{ MATCH_L4_SRC_PORT_RANGE, (sai_acl_entry_attr_t)SAI_ACL_RANGE_L4_SRC_PORT_RANGE },
{ MATCH_L4_DST_PORT_RANGE, (sai_acl_entry_attr_t)SAI_ACL_RANGE_L4_DST_PORT_RANGE },
};
acl_rule_attr_lookup_t aclL3ActionLookup =
{
{ PACKET_ACTION_FORWARD, SAI_ACL_ENTRY_ATTR_PACKET_ACTION },
{ PACKET_ACTION_DROP, SAI_ACL_ENTRY_ATTR_PACKET_ACTION },
{ PACKET_ACTION_REDIRECT, SAI_ACL_ENTRY_ATTR_ACTION_REDIRECT }
};
static acl_table_type_lookup_t aclTableTypeLookUp =
{
{ TABLE_TYPE_L3, ACL_TABLE_L3 },
{ TABLE_TYPE_MIRROR, ACL_TABLE_MIRROR }
};
static acl_ip_type_lookup_t aclIpTypeLookup =
{
{ IP_TYPE_ANY, SAI_ACL_IP_TYPE_ANY },
{ IP_TYPE_IP, SAI_ACL_IP_TYPE_IP },
{ IP_TYPE_NON_IP, SAI_ACL_IP_TYPE_NON_IP },
{ IP_TYPE_IPv4ANY, SAI_ACL_IP_TYPE_IPv4ANY },
{ IP_TYPE_NON_IPv4, SAI_ACL_IP_TYPE_NON_IPv4 },
{ IP_TYPE_IPv6ANY, SAI_ACL_IP_TYPE_IPv6ANY },
{ IP_TYPE_NON_IPv6, SAI_ACL_IP_TYPE_NON_IPv6 },
{ IP_TYPE_ARP, SAI_ACL_IP_TYPE_ARP },
{ IP_TYPE_ARP_REQUEST, SAI_ACL_IP_TYPE_ARP_REQUEST },
{ IP_TYPE_ARP_REPLY, SAI_ACL_IP_TYPE_ARP_REPLY }
};
inline string toUpper(const string& str)
{
string uppercase = str;
transform(uppercase.begin(), uppercase.end(), uppercase.begin(), ::toupper);
return uppercase;
}
inline string trim(const std::string& str, const std::string& whitespace = " \t")
{
const auto strBegin = str.find_first_not_of(whitespace);
if (strBegin == std::string::npos)
return "";
const auto strEnd = str.find_last_not_of(whitespace);
const auto strRange = strEnd - strBegin + 1;
return str.substr(strBegin, strRange);
}
AclRule::AclRule(AclOrch *aclOrch, string rule, string table, acl_table_type_t type) :
m_pAclOrch(aclOrch),
m_id(rule),
m_tableId(table),
m_tableType(type),
m_tableOid(SAI_NULL_OBJECT_ID),
m_ruleOid(SAI_NULL_OBJECT_ID),
m_counterOid(SAI_NULL_OBJECT_ID),
m_priority(0)
{
m_tableOid = aclOrch->getTableById(m_tableId);
}
bool AclRule::validateAddPriority(string attr_name, string attr_value)
{
bool status = false;
if (attr_name == RULE_PRIORITY)
{
char *endp = NULL;
errno = 0;
m_priority = strtol(attr_value.c_str(), &endp, 0);
// chack conversion was successfull and the value is within the allowed range
status = (errno == 0) &&
(endp == attr_value.c_str() + attr_value.size()) &&
(m_priority >= m_minPriority) &&
(m_priority <= m_maxPriority);
}
return status;
}
bool AclRule::validateAddMatch(string attr_name, string attr_value)
{
SWSS_LOG_ENTER();
sai_attribute_value_t value;
try
{
if (aclMatchLookup.find(attr_name) == aclMatchLookup.end())
{
return false;
}
else if(attr_name == MATCH_IP_TYPE)
{
if (!processIpType(attr_value, value.aclfield.data.u32))
{
SWSS_LOG_ERROR("Invalid IP type %s", attr_value.c_str());
return false;
}
value.aclfield.mask.u32 = 0xFFFFFFFF;
}
else if(attr_name == MATCH_TCP_FLAGS)
{
vector<string> flagsData;
string flags, mask;
int val;
char *endp = NULL;
errno = 0;
split(attr_value, flagsData, '/');
if (flagsData.size() != 2) // expect two parts flags and mask separated with '/'
{
SWSS_LOG_ERROR("Invalid TCP flags format %s", attr_value.c_str());
return false;
}
flags = trim(flagsData[0]);
mask = trim(flagsData[1]);
val = strtol(flags.c_str(), &endp, 0);
if (errno || (endp != flags.c_str() + flags.size()) ||
(val < 0) || (val > UCHAR_MAX))
{
SWSS_LOG_ERROR("TCP flags parse error, value: %s(=%d), errno: %d", flags.c_str(), val, errno);
return false;
}
value.aclfield.data.u8 = val;
val = strtol(mask.c_str(), &endp, 0);
if (errno || (endp != mask.c_str() + mask.size()) ||
(val < 0) || (val > UCHAR_MAX))
{
SWSS_LOG_ERROR("TCP mask parse error, value: %s(=%d), errno: %d", mask.c_str(), val, errno);
return false;
}
value.aclfield.mask.u8 = val;
}
else if(attr_name == MATCH_ETHER_TYPE || attr_name == MATCH_L4_SRC_PORT || attr_name == MATCH_L4_DST_PORT)
{
value.aclfield.data.u16 = to_uint<uint16_t>(attr_value);
value.aclfield.mask.u16 = 0xFFFF;
}
else if(attr_name == MATCH_DSCP)
{
value.aclfield.data.u8 = to_uint<uint8_t>(attr_value, 0, 63);
value.aclfield.mask.u8 = 0xFF;
}
else if(attr_name == MATCH_IP_PROTOCOL)
{
value.aclfield.data.u8 = to_uint<uint8_t>(attr_value);
value.aclfield.mask.u8 = 0xFF;
}
else if (attr_name == MATCH_SRC_IP || attr_name == MATCH_DST_IP)
{
IpPrefix ip(attr_value);
if (ip.isV4())
{
value.aclfield.data.ip4 = ip.getIp().getV4Addr();
value.aclfield.mask.ip4 = ip.getMask().getV4Addr();
}
else
{
memcpy(value.aclfield.data.ip6, ip.getIp().getV6Addr(), 16);
memcpy(value.aclfield.mask.ip6, ip.getMask().getV6Addr(), 16);
}
}
else if ((attr_name == MATCH_L4_SRC_PORT_RANGE) || (attr_name == MATCH_L4_DST_PORT_RANGE))
{
if (sscanf(attr_value.c_str(), "%d-%d", &value.u32range.min, &value.u32range.max) != 2)
{
SWSS_LOG_ERROR("Range parse error. Attribute: %s, value: %s", attr_name.c_str(), attr_value.c_str());
return false;
}
// check boundaries
if ((value.u32range.min > USHRT_MAX) ||
(value.u32range.max > USHRT_MAX) ||
(value.u32range.min > value.u32range.max))
{
SWSS_LOG_ERROR("Range parse error. Invalid range value. Attribute: %s, value: %s", attr_name.c_str(), attr_value.c_str());
return false;
}
}
}
catch (exception &e)
{
SWSS_LOG_ERROR("Failed to parse %s attribute %s value. Error: %s", attr_name.c_str(), attr_value.c_str(), e.what());
return false;
}
catch (...)
{
SWSS_LOG_ERROR("Failed to parse %s attribute %s value.", attr_name.c_str(), attr_value.c_str());
return false;
}
m_matches[aclMatchLookup[attr_name]] = value;
return true;
}
bool AclRule::processIpType(string type, sai_uint32_t &ip_type)
{
SWSS_LOG_ENTER();
auto it = aclIpTypeLookup.find(toUpper(type));
if (it == aclIpTypeLookup.end())
{
return false;
}
ip_type = it->second;
return true;
}
bool AclRule::create()
{
SWSS_LOG_ENTER();
sai_object_id_t table_oid = m_pAclOrch->getTableById(m_tableId);
vector<sai_attribute_t> rule_attrs;
sai_object_id_t range_objects[2];
sai_object_list_t range_object_list = {0, range_objects};
sai_attribute_t attr;
sai_status_t status;
if (!createCounter())
{
return false;
}
SWSS_LOG_INFO("Created counter for the rule %s in table %s", m_id.c_str(), m_tableId.c_str());
// store table oid this rule belongs to
attr.id = SAI_ACL_ENTRY_ATTR_TABLE_ID;
attr.value.oid = table_oid;
rule_attrs.push_back(attr);
attr.id = SAI_ACL_ENTRY_ATTR_PRIORITY;
attr.value.u32 = m_priority;
rule_attrs.push_back(attr);
attr.id = SAI_ACL_ENTRY_ATTR_ADMIN_STATE;
attr.value.booldata = true;
rule_attrs.push_back(attr);
// add reference to the counter
attr.id = SAI_ACL_ENTRY_ATTR_ACTION_COUNTER;
attr.value.aclaction.parameter.oid = m_counterOid;
attr.value.aclaction.enable = true;
rule_attrs.push_back(attr);
// store matches
for (auto it : m_matches)
{
// collect ranges and add them later as a list
if (((sai_acl_range_type_t)it.first == SAI_ACL_RANGE_L4_SRC_PORT_RANGE) ||
((sai_acl_range_type_t)it.first == SAI_ACL_RANGE_L4_DST_PORT_RANGE))
{
SWSS_LOG_INFO("Creating range object %u..%u", it.second.u32range.min, it.second.u32range.max);
AclRange *range = AclRange::create((sai_acl_range_type_t)it.first, it.second.u32range.min, it.second.u32range.max);
if (!range)
{
// release already created range if any
AclRange::remove(range_objects, range_object_list.count);
return false;
}
else
{
range_objects[range_object_list.count++] = range->getOid();
}
}
else
{
attr.id = it.first;
attr.value = it.second;
attr.value.aclfield.enable = true;
rule_attrs.push_back(attr);
}
}
// store ranges if any
if (range_object_list.count > 0)
{
attr.id = SAI_ACL_ENTRY_ATTR_FIELD_RANGE;
attr.value.aclfield.enable = true;
attr.value.aclfield.data.objlist = range_object_list;
rule_attrs.push_back(attr);
}
// store actions
for (auto it : m_actions)
{
attr.id = it.first;
attr.value = it.second;
rule_attrs.push_back(attr);
}
status = sai_acl_api->create_acl_entry(&m_ruleOid, rule_attrs.size(), rule_attrs.data());
if (status != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to create ACL rule");
AclRange::remove(range_objects, range_object_list.count);
decreaseNextHopRefCount();
}
return (status == SAI_STATUS_SUCCESS);
}
void AclRule::decreaseNextHopRefCount()
{
if (!m_redirect_target_next_hop.empty())
{
m_pAclOrch->m_neighOrch->decreaseNextHopRefCount(IpAddress(m_redirect_target_next_hop));
m_redirect_target_next_hop.clear();
}
if (!m_redirect_target_next_hop_group.empty())
{
IpAddresses target = IpAddresses(m_redirect_target_next_hop_group);
m_pAclOrch->m_routeOrch->decreaseNextHopRefCount(target);
// remove next hop group in case it's not used by anything else
if (m_pAclOrch->m_routeOrch->isRefCounterZero(target))
{
if (m_pAclOrch->m_routeOrch->removeNextHopGroup(target))
{
SWSS_LOG_DEBUG("Removed acl redirect target next hop group '%s'", m_redirect_target_next_hop_group.c_str());
}
else
{
SWSS_LOG_ERROR("Failed to remove unused next hop group '%s'", m_redirect_target_next_hop_group.c_str());
// FIXME: what else could we do here?
}
}
m_redirect_target_next_hop_group.clear();
}
return;
}
bool AclRule::remove()
{
SWSS_LOG_ENTER();
sai_status_t res;
if (sai_acl_api->delete_acl_entry(m_ruleOid) != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to delete ACL rule");
return false;
}
m_ruleOid = SAI_NULL_OBJECT_ID;
decreaseNextHopRefCount();
res = removeRanges();
res &= removeCounter();
return res;
}
AclRuleCounters AclRule::getCounters()
{
SWSS_LOG_ENTER();
sai_attribute_t counter_attr[2];
counter_attr[0].id = SAI_ACL_COUNTER_ATTR_PACKETS;
counter_attr[1].id = SAI_ACL_COUNTER_ATTR_BYTES;
if (sai_acl_api->get_acl_counter_attribute(m_counterOid, 2, counter_attr) != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to get counters for %s rule", m_id.c_str());
return AclRuleCounters();
}
return AclRuleCounters(counter_attr[0].value.u64, counter_attr[1].value.u64);
}
shared_ptr<AclRule> AclRule::makeShared(acl_table_type_t type, AclOrch *acl, MirrorOrch *mirror, const string& rule, const string& table, const KeyOpFieldsValuesTuple& data)
{
string action;
bool action_found = false;
/* Find action configured by user. Based on action type create rule. */
for (const auto& itr : kfvFieldsValues(data))
{
string attr_name = toUpper(fvField(itr));
string attr_value = fvValue(itr);
if (attr_name == ACTION_PACKET_ACTION || attr_name == ACTION_MIRROR_ACTION)
{
action_found = true;
action = attr_name;
break;
}
}
if (!action_found)
{
throw runtime_error("ACL rule action is not found in rule " + rule);
}
if (type != ACL_TABLE_L3 && type != ACL_TABLE_MIRROR)
{
throw runtime_error("Unknown table type.");
}
/* Mirror rules can exist in both tables*/
if (action == ACTION_MIRROR_ACTION)
{
return make_shared<AclRuleMirror>(acl, mirror, rule, table, type);
}
/* L3 rules can exist only in L3 table */
else if (type == ACL_TABLE_L3)
{
return make_shared<AclRuleL3>(acl, rule, table, type);
}
throw runtime_error("Wrong combination of table type and action in rule " + rule);
}
bool AclRule::createCounter()
{
SWSS_LOG_ENTER();
sai_attribute_t attr;
vector<sai_attribute_t> counter_attrs;
attr.id = SAI_ACL_COUNTER_ATTR_TABLE_ID;
attr.value.oid = m_tableOid;
counter_attrs.push_back(attr);
attr.id = SAI_ACL_COUNTER_ATTR_ENABLE_BYTE_COUNT;
attr.value.booldata = true;
counter_attrs.push_back(attr);
attr.id = SAI_ACL_COUNTER_ATTR_ENABLE_PACKET_COUNT;
attr.value.booldata = true;
counter_attrs.push_back(attr);
if (sai_acl_api->create_acl_counter(&m_counterOid, counter_attrs.size(), counter_attrs.data()) != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to create counter for the rule %s in table %s", m_id.c_str(), m_tableId.c_str());
return false;
}
return true;
}
bool AclRule::removeRanges()
{
SWSS_LOG_ENTER();
for (auto it : m_matches)
{
if (((sai_acl_range_type_t)it.first == SAI_ACL_RANGE_L4_SRC_PORT_RANGE) ||
((sai_acl_range_type_t)it.first == SAI_ACL_RANGE_L4_DST_PORT_RANGE))
{
return AclRange::remove((sai_acl_range_type_t)it.first, it.second.u32range.min, it.second.u32range.max);
}
}
return true;
}
bool AclRule::removeCounter()
{
SWSS_LOG_ENTER();
if (m_counterOid == SAI_NULL_OBJECT_ID)
{
return true;
}
if (sai_acl_api->delete_acl_counter(m_counterOid) != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to remove ACL counter for rule %s in table %s", m_id.c_str(), m_tableId.c_str());
return false;
}
SWSS_LOG_INFO("Removing record about the counter %lX from the DB", m_counterOid);
AclOrch::getCountersTable().del(getTableId() + ":" + getId());
m_counterOid = SAI_NULL_OBJECT_ID;
return true;
}
AclRuleL3::AclRuleL3(AclOrch *aclOrch, string rule, string table, acl_table_type_t type) :
AclRule(aclOrch, rule, table, type)
{
}
bool AclRuleL3::validateAddAction(string attr_name, string _attr_value)
{
SWSS_LOG_ENTER();
string attr_value = toUpper(_attr_value);
sai_attribute_value_t value;
if (attr_name != ACTION_PACKET_ACTION)
{
return false;
}
if (attr_value == PACKET_ACTION_FORWARD)
{
value.aclaction.parameter.s32 = SAI_PACKET_ACTION_FORWARD;
}
else if (attr_value == PACKET_ACTION_DROP)
{
value.aclaction.parameter.s32 = SAI_PACKET_ACTION_DROP;
}
else if (attr_value.find(PACKET_ACTION_REDIRECT) != string::npos)
{
// resize attr_value to remove argument, _attr_value still has the argument
attr_value.resize(string(PACKET_ACTION_REDIRECT).length());
sai_object_id_t param_id = getRedirectObjectId(_attr_value);
if (param_id == SAI_NULL_OBJECT_ID)
{
return false;
}
value.aclaction.parameter.oid = param_id;
}
else
{
return false;
}
value.aclaction.enable = true;
m_actions[aclL3ActionLookup[attr_value]] = value;
return true;
}
// This method should return sai attribute id of the redirect destination
sai_object_id_t AclRuleL3::getRedirectObjectId(const string& redirect_value)
{
// check that we have a colon after redirect rule
size_t colon_pos = string(PACKET_ACTION_REDIRECT).length();
if (redirect_value[colon_pos] != ':')
{
SWSS_LOG_ERROR("Redirect action rule must have ':' after REDIRECT");
return SAI_NULL_OBJECT_ID;
}
if (colon_pos + 1 == redirect_value.length())
{
SWSS_LOG_ERROR("Redirect action rule must have a target after 'REDIRECT:' action");
return SAI_NULL_OBJECT_ID;
}
string target = redirect_value.substr(colon_pos + 1);
// Try to parse physical port and LAG first
Port port;
if(m_pAclOrch->m_portOrch->getPort(target, port))
{
if (port.m_type == Port::PHY)
{
return port.m_port_id;
}
else if (port.m_type == Port::LAG)
{
return port.m_lag_id;
}
else
{
SWSS_LOG_ERROR("Wrong port type for REDIRECT action. Only physical ports and LAG ports are supported");
return SAI_NULL_OBJECT_ID;
}
}
// Try to parse nexthop ip address
try
{
IpAddress ip(target);
if (!m_pAclOrch->m_neighOrch->hasNextHop(ip))
{
SWSS_LOG_ERROR("ACL Redirect action target next hop ip: '%s' doesn't exist on the switch", ip.to_string().c_str());
return SAI_NULL_OBJECT_ID;
}
m_redirect_target_next_hop = target;
m_pAclOrch->m_neighOrch->increaseNextHopRefCount(ip);
return m_pAclOrch->m_neighOrch->getNextHopId(ip);
}
catch (...)
{
// no error, just try next variant
}
// try to parse nh group ip addresses
try
{
IpAddresses ips(target);
if (!m_pAclOrch->m_routeOrch->hasNextHopGroup(ips))
{
SWSS_LOG_INFO("ACL Redirect action target next hop group: '%s' doesn't exist on the switch. Creating it.", ips.to_string().c_str());
if(!m_pAclOrch->m_routeOrch->addNextHopGroup(ips))
{
SWSS_LOG_ERROR("Can't create required target next hop group '%s'", ips.to_string().c_str());
return SAI_NULL_OBJECT_ID;
}
SWSS_LOG_DEBUG("Created acl redirect target next hop group '%s'", ips.to_string().c_str());
}
m_redirect_target_next_hop_group = target;
m_pAclOrch->m_routeOrch->increaseNextHopRefCount(ips);
return m_pAclOrch->m_routeOrch->getNextHopGroupId(ips);
}
catch (...)
{
// no error, just try next variant
}
SWSS_LOG_ERROR("ACL Redirect action target '%s' wasn't recognized", target.c_str());
return SAI_NULL_OBJECT_ID;
}
bool AclRuleL3::validateAddMatch(string attr_name, string attr_value)
{
if (attr_name == MATCH_DSCP)
{
SWSS_LOG_ERROR("DSCP match is not supported for the tables of type L3");
return false;
}
return AclRule::validateAddMatch(attr_name, attr_value);
}
bool AclRuleL3::validate()
{
SWSS_LOG_ENTER();
if (m_matches.size() == 0 || m_actions.size() != 1)
{
return false;
}
return true;
}
void AclRuleL3::update(SubjectType, void *)
{
// Do nothing
}
AclRuleMirror::AclRuleMirror(AclOrch *aclOrch, MirrorOrch *mirror, string rule, string table, acl_table_type_t type) :
AclRule(aclOrch, rule, table, type),
m_state(false),
m_pMirrorOrch(mirror)
{
}
bool AclRuleMirror::validateAddAction(string attr_name, string attr_value)
{
SWSS_LOG_ENTER();
if (attr_name != ACTION_MIRROR_ACTION)
{
return false;
}
if (!m_pMirrorOrch->sessionExists(attr_value))
{
return false;
}
m_sessionName = attr_value;
return true;
}
bool AclRuleMirror::validateAddMatch(string attr_name, string attr_value)
{
if (m_tableType == ACL_TABLE_L3 && attr_name == MATCH_DSCP)
{
SWSS_LOG_ERROR("DSCP match is not supported for the tables of type L3");
return false;
}
return AclRule::validateAddMatch(attr_name, attr_value);
}
bool AclRuleMirror::validate()
{
SWSS_LOG_ENTER();
if (m_matches.size() == 0 || m_sessionName.empty())
{
return false;
}
return true;
}
bool AclRuleMirror::create()
{
SWSS_LOG_ENTER();
sai_attribute_value_t value;
bool state = false;
sai_object_id_t oid = SAI_NULL_OBJECT_ID;
if (!m_pMirrorOrch->getSessionState(m_sessionName, state))
{
throw runtime_error("Failed to get mirror session state");
}
// Increase session reference count regardless of state to deny
// attempt to remove mirror session with attached ACL rules.
if (!m_pMirrorOrch->increaseRefCount(m_sessionName))
{
throw runtime_error("Failed to increase mirror session reference count");
}
if (!state)
{
return true;
}
if (!m_pMirrorOrch->getSessionOid(m_sessionName, oid))
{
throw runtime_error("Failed to get mirror session OID");
}
value.aclaction.enable = true;
value.aclaction.parameter.objlist.list = &oid;
value.aclaction.parameter.objlist.count = 1;
m_actions.clear();
m_actions[SAI_ACL_ENTRY_ATTR_ACTION_MIRROR_INGRESS] = value;
if (!AclRule::create())
{
return false;
}
m_state = true;
return true;
}
bool AclRuleMirror::remove()
{
if (!m_state)
{
return true;
}
if (!AclRule::remove())
{
return false;
}
if (!m_pMirrorOrch->decreaseRefCount(m_sessionName))
{
throw runtime_error("Failed to decrease mirror session reference count");
}
m_state = false;
return true;
}
void AclRuleMirror::update(SubjectType type, void *cntx)
{
if (type != SUBJECT_TYPE_MIRROR_SESSION_CHANGE)
{
return;
}
MirrorSessionUpdate *update = static_cast<MirrorSessionUpdate *>(cntx);
if (m_sessionName != update->name)
{
return;
}
if (update->active)
{
SWSS_LOG_INFO("Activating mirroring ACL %s for session %s", m_id.c_str(), m_sessionName.c_str());
create();
}
else
{
// Store counters before deactivating ACL rule
counters += getCounters();
SWSS_LOG_INFO("Deactivating mirroring ACL %s for session %s", m_id.c_str(), m_sessionName.c_str());
remove();
}
}
AclRuleCounters AclRuleMirror::getCounters()
{
AclRuleCounters cnt(counters);
if (m_state)
{
cnt += AclRule::getCounters();
}
return cnt;
}
AclRange::AclRange(sai_acl_range_type_t type, sai_object_id_t oid, int min, int max):
m_oid(oid), m_refCnt(0), m_min(min), m_max(max), m_type(type)
{
SWSS_LOG_ENTER();
}
AclRange *AclRange::create(sai_acl_range_type_t type, int min, int max)
{
SWSS_LOG_ENTER();
sai_status_t status;
sai_object_id_t range_oid = SAI_NULL_OBJECT_ID;
acl_range_properties_t rangeProperties = make_tuple(type, min, max);
auto range_it = m_ranges.find(rangeProperties);
if(range_it == m_ranges.end())
{
sai_attribute_t attr;
vector<sai_attribute_t> range_attrs;
// work around to avoid syncd termination on SAI error due to max count of ranges reached
// can be removed when syncd start passing errors to the SAI callers
char *platform = getenv("onie_platform");
if (platform && strstr(platform, MLNX_PLATFORM_SUBSTRING))
{
if (m_ranges.size() >= MLNX_MAX_RANGES_COUNT)
{
SWSS_LOG_ERROR("Maximum numbers of ACL ranges reached");
return NULL;
}
}
attr.id = SAI_ACL_RANGE_ATTR_TYPE;
attr.value.s32 = type;
range_attrs.push_back(attr);
attr.id = SAI_ACL_RANGE_ATTR_LIMIT;
attr.value.u32range.min = min;
attr.value.u32range.max = max;
range_attrs.push_back(attr);
status = sai_acl_api->create_acl_range(&range_oid, range_attrs.size(), range_attrs.data());
if (status != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to create range object");
return NULL;
}
SWSS_LOG_INFO("Created ACL Range object. Type: %d, range %d-%d, oid: %lX", type, min, max, range_oid);
m_ranges[rangeProperties] = new AclRange(type, range_oid, min, max);
range_it = m_ranges.find(rangeProperties);
}
else
{
SWSS_LOG_INFO("Reusing range object oid %lX ref count increased to %d", range_it->second->m_oid, range_it->second->m_refCnt);
}
// increase range reference count
range_it->second->m_refCnt++;
return range_it->second;
}
bool AclRange::remove(sai_acl_range_type_t type, int min, int max)
{
SWSS_LOG_ENTER();
auto range_it = m_ranges.find(make_tuple(type, min, max));
if(range_it == m_ranges.end())
{
return false;
}
return range_it->second->remove();
}
bool AclRange::remove(sai_object_id_t *oids, int oidsCnt)
{
SWSS_LOG_ENTER();
for (int oidIdx = 0; oidIdx < oidsCnt; oidsCnt++)
{
for (auto it : m_ranges)
{
if (it.second->m_oid == oids[oidsCnt])
{
return it.second->remove();
}
}
}
return false;
}
bool AclRange::remove()
{
SWSS_LOG_ENTER();
if ((--m_refCnt) < 0)
{
throw runtime_error("Invalid ACL Range refCnt!");
}
if (m_refCnt == 0)
{
SWSS_LOG_INFO("Range object oid %lX ref count is %d, removing..", m_oid, m_refCnt);
if (sai_acl_api->remove_acl_range(m_oid) != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("Failed to delete ACL Range object oid: %lX", m_oid);
return false;
}
auto range_it = m_ranges.find(make_tuple(m_type, m_min, m_max));
m_ranges.erase(range_it);
delete this;
}
else
{
SWSS_LOG_INFO("Range object oid %lX ref count decreased to %d", m_oid, m_refCnt);
}
return true;
}
AclOrch::AclOrch(DBConnector *db, vector<string> tableNames, PortsOrch *portOrch, MirrorOrch *mirrorOrch, NeighOrch *neighOrch, RouteOrch *routeOrch) :
Orch(db, tableNames),
m_portOrch(portOrch),
m_mirrorOrch(mirrorOrch),
m_neighOrch(neighOrch),
m_routeOrch(routeOrch)
{
SWSS_LOG_ENTER();
sai_attribute_t attrs[] =
{
{ SAI_SWITCH_ATTR_ACL_ENTRY_MINIMUM_PRIORITY },
{ SAI_SWITCH_ATTR_ACL_ENTRY_MAXIMUM_PRIORITY }
};
// get min/max allowed priority
if (sai_switch_api->get_switch_attribute(sizeof(attrs)/sizeof(attrs[0]), attrs) == SAI_STATUS_SUCCESS)
{
SWSS_LOG_INFO("Got ACL entry priority values, min: %u, max: %u", attrs[0].value.u32, attrs[1].value.u32);
AclRule::setRulePriorities(attrs[0].value.u32, attrs[1].value.u32);
}
else
{
SWSS_LOG_ERROR("Failed to get ACL entry priority min/max values");