mirror of https://github.com/OISF/suricata
Lukas Sismis
2 years ago
committed by
Victor Julien
parent
fee79ff3c4
commit
c4b0c2888d
@ -0,0 +1,120 @@
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/* Copyright (C) 2023 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Lukas Sismis <lukas.sismis@gmail.com>
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*/
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#ifndef UTIL_DPDK_BONDING_C
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#define UTIL_DPDK_BONDING_C
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#include "suricata-common.h"
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#include "util-dpdk-bonding.h"
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#ifdef HAVE_DPDK
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#include "util-dpdk.h"
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#include "util-debug.h"
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/**
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* Determines if the port is Bond or not by evaluating device driver name
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* @param pid port ID
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* @return 0 - the device si Bond PMD, 1 - regular device, <0 error
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*/
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int32_t BondingIsBond(uint16_t pid)
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{
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struct rte_eth_dev_info di;
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int32_t ret = rte_eth_dev_info_get(pid, &di);
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if (ret < 0) {
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SCLogError("%s: unable to get device info (err: %s)", DPDKGetPortNameByPortID(pid),
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rte_strerror(-ret));
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return ret;
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}
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return strcmp(di.driver_name, "net_bonding") == 0 ? 0 : 1;
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}
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uint16_t BondingMemberDevicesGet(
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uint16_t bond_pid, uint16_t bonded_devs[], uint16_t bonded_devs_length)
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{
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#ifdef HAVE_DPDK_BOND
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int32_t len = rte_eth_bond_slaves_get(bond_pid, bonded_devs, bonded_devs_length);
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if (len == 0)
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FatalError("%s: no bonded devices found", DPDKGetPortNameByPortID(bond_pid));
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else if (len < 0)
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FatalError("%s: unable to get bonded devices (err: %s)", DPDKGetPortNameByPortID(bond_pid),
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rte_strerror(-len));
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return len;
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#else
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FatalError(
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"%s: bond port not supported in DPDK installation", DPDKGetPortNameByPortID(bond_pid));
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#endif
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}
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int32_t BondingAllDevicesSameDriver(uint16_t bond_pid)
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{
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uint16_t bonded_devs[RTE_MAX_ETHPORTS] = { 0 };
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uint16_t len = BondingMemberDevicesGet(bond_pid, bonded_devs, RTE_MAX_ETHPORTS);
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const char *driver_name = NULL, *first_driver_name = NULL;
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struct rte_eth_dev_info di = { 0 };
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for (uint16_t i = 0; i < len; i++) {
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int32_t ret = rte_eth_dev_info_get(bonded_devs[i], &di);
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if (ret < 0)
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FatalError("%s: unable to get device info (err: %s)",
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DPDKGetPortNameByPortID(bonded_devs[i]), rte_strerror(-ret));
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if (i == 0) {
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first_driver_name = di.driver_name;
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} else {
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driver_name = di.driver_name;
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if (strncmp(first_driver_name, driver_name,
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MIN(strlen(first_driver_name), strlen(driver_name))) != 0) {
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return -EINVAL; // inconsistent drivers
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}
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}
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}
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return 0;
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}
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/**
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* Translates to the driver that is actually used by the bonded ports
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* \param bond_pid
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* \return driver name, FatalError otherwise
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*/
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const char *BondingDeviceDriverGet(uint16_t bond_pid)
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{
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uint16_t bonded_devs[RTE_MAX_ETHPORTS] = { 0 };
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BondingMemberDevicesGet(bond_pid, bonded_devs, RTE_MAX_ETHPORTS);
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struct rte_eth_dev_info di = { 0 };
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int32_t ret = rte_eth_dev_info_get(bonded_devs[0], &di);
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if (ret < 0)
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FatalError("%s: unable to get device info (err: %s)",
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DPDKGetPortNameByPortID(bonded_devs[0]), rte_strerror(-ret));
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return di.driver_name;
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}
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#endif /* HAVE_DPDK */
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#endif /* UTIL_DPDK_BONDING_C */
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@ -0,0 +1,39 @@
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/* Copyright (C) 2023 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Lukas Sismis <lukas.sismis@gmail.com>
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*/
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#ifndef UTIL_DPDK_BONDING_H
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#define UTIL_DPDK_BONDING_H
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#include "suricata-common.h"
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#ifdef HAVE_DPDK
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int32_t BondingIsBond(uint16_t pid);
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uint16_t BondingMemberDevicesGet(
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uint16_t bond_pid, uint16_t bonded_devs[], uint16_t bonded_devs_length);
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int32_t BondingAllDevicesSameDriver(uint16_t bond_pid);
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const char *BondingDeviceDriverGet(uint16_t bond_pid);
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#endif /* HAVE_DPDK */
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#endif /* UTIL_DPDK_BONDING_H */
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