diff options
Diffstat (limited to 'src/dpdk_lib18/librte_pmd_bond/rte_eth_bond_args.c')
| -rwxr-xr-x | src/dpdk_lib18/librte_pmd_bond/rte_eth_bond_args.c | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_pmd_bond/rte_eth_bond_args.c b/src/dpdk_lib18/librte_pmd_bond/rte_eth_bond_args.c new file mode 100755 index 00000000..ca4de38f --- /dev/null +++ b/src/dpdk_lib18/librte_pmd_bond/rte_eth_bond_args.c @@ -0,0 +1,279 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of 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. + */ + +#include <rte_devargs.h> +#include <rte_kvargs.h> + +#include <cmdline_parse.h> +#include <cmdline_parse_etheraddr.h> + +#include "rte_eth_bond.h" +#include "rte_eth_bond_private.h" + +const char *pmd_bond_init_valid_arguments[] = { + PMD_BOND_SLAVE_PORT_KVARG, + PMD_BOND_PRIMARY_SLAVE_KVARG, + PMD_BOND_MODE_KVARG, + PMD_BOND_XMIT_POLICY_KVARG, + PMD_BOND_SOCKET_ID_KVARG, + PMD_BOND_MAC_ADDR_KVARG, + + NULL +}; + +static inline int +find_port_id_by_pci_addr(const struct rte_pci_addr *pci_addr) +{ + struct rte_pci_addr *eth_pci_addr; + unsigned i; + + for (i = 0; i < rte_eth_dev_count(); i++) { + + if (rte_eth_devices[i].pci_dev == NULL) + continue; + + eth_pci_addr = &(rte_eth_devices[i].pci_dev->addr); + + if (pci_addr->bus == eth_pci_addr->bus && + pci_addr->devid == eth_pci_addr->devid && + pci_addr->domain == eth_pci_addr->domain && + pci_addr->function == eth_pci_addr->function) + return i; + } + return -1; +} + +static inline int +find_port_id_by_dev_name(const char *name) +{ + unsigned i; + + for (i = 0; i < rte_eth_dev_count(); i++) { + if (rte_eth_devices[i].data == NULL) + continue; + + if (strcmp(rte_eth_devices[i].data->name, name) == 0) + return i; + } + return -1; +} + +/** + * Parses a port identifier string to a port id by pci address, then by name, + * and finally port id. + */ +static inline int +parse_port_id(const char *port_str) +{ + struct rte_pci_addr dev_addr; + int port_id; + + /* try parsing as pci address, physical devices */ + if (eal_parse_pci_DomBDF(port_str, &dev_addr) == 0) { + port_id = find_port_id_by_pci_addr(&dev_addr); + if (port_id < 0) + return -1; + } else { + /* try parsing as device name, virtual devices */ + port_id = find_port_id_by_dev_name(port_str); + if (port_id < 0) { + char *end; + errno = 0; + + /* try parsing as port id */ + port_id = strtol(port_str, &end, 10); + if (*end != 0 || errno != 0) + return -1; + } + } + + if (port_id < 0 || port_id > RTE_MAX_ETHPORTS) { + RTE_BOND_LOG(ERR, "Slave port specified (%s) outside expected range", + port_str); + return -1; + } + return port_id; +} + +int +bond_ethdev_parse_slave_port_kvarg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + struct bond_ethdev_slave_ports *slave_ports; + + if (value == NULL || extra_args == NULL) + return -1; + + slave_ports = extra_args; + + if (strcmp(key, PMD_BOND_SLAVE_PORT_KVARG) == 0) { + int port_id = parse_port_id(value); + if (port_id < 0) { + RTE_BOND_LOG(ERR, "Invalid slave port value (%s) specified", value); + return -1; + } else + slave_ports->slaves[slave_ports->slave_count++] = + (uint8_t)port_id; + } + return 0; +} + +int +bond_ethdev_parse_slave_mode_kvarg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + uint8_t *mode; + char *endptr; + + if (value == NULL || extra_args == NULL) + return -1; + + mode = extra_args; + + errno = 0; + *mode = strtol(value, &endptr, 10); + if (*endptr != 0 || errno != 0) + return -1; + + /* validate mode value */ + switch (*mode) { + case BONDING_MODE_ROUND_ROBIN: + case BONDING_MODE_ACTIVE_BACKUP: + case BONDING_MODE_BALANCE: +#ifdef RTE_MBUF_REFCNT + case BONDING_MODE_BROADCAST: +#endif + case BONDING_MODE_8023AD: + case BONDING_MODE_ADAPTIVE_TRANSMIT_LOAD_BALANCING: + return 0; + default: + RTE_BOND_LOG(ERR, "Invalid slave mode value (%s) specified", value); + return -1; + } +} + +int +bond_ethdev_parse_socket_id_kvarg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + int socket_id; + char *endptr; + + if (value == NULL || extra_args == NULL) + return -1; + + errno = 0; + socket_id = (uint8_t)strtol(value, &endptr, 10); + if (*endptr != 0 || errno != 0) + return -1; + + /* validate mode value */ + if (socket_id >= 0 && socket_id < number_of_sockets()) { + *(uint8_t *)extra_args = (uint8_t)socket_id; + return 0; + } + return -1; +} + +int +bond_ethdev_parse_primary_slave_port_id_kvarg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + int primary_slave_port_id; + + if (value == NULL || extra_args == NULL) + return -1; + + primary_slave_port_id = parse_port_id(value); + if (primary_slave_port_id < 0) + return -1; + + *(uint8_t *)extra_args = (uint8_t)primary_slave_port_id; + + return 0; +} + +int +bond_ethdev_parse_balance_xmit_policy_kvarg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + uint8_t *xmit_policy; + + if (value == NULL || extra_args == NULL) + return -1; + + xmit_policy = extra_args; + + if (strcmp(PMD_BOND_XMIT_POLICY_LAYER2_KVARG, value) == 0) + *xmit_policy = BALANCE_XMIT_POLICY_LAYER2; + else if (strcmp(PMD_BOND_XMIT_POLICY_LAYER23_KVARG, value) == 0) + *xmit_policy = BALANCE_XMIT_POLICY_LAYER23; + else if (strcmp(PMD_BOND_XMIT_POLICY_LAYER34_KVARG, value) == 0) + *xmit_policy = BALANCE_XMIT_POLICY_LAYER34; + else + return -1; + + return 0; +} + +int +bond_ethdev_parse_bond_mac_addr_kvarg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + if (value == NULL || extra_args == NULL) + return -1; + + /* Parse MAC */ + return cmdline_parse_etheraddr(NULL, value, extra_args, + sizeof(struct ether_addr)); +} + +int +bond_ethdev_parse_time_ms_kvarg(const char *key __rte_unused, + const char *value, void *extra_args) +{ + uint32_t time_ms; + char *endptr; + + if (value == NULL || extra_args == NULL) + return -1; + + errno = 0; + time_ms = (uint32_t)strtol(value, &endptr, 10); + if (*endptr != 0 || errno != 0) + return -1; + + *(uint32_t *)extra_args = time_ms; + + return 0; +} |