summaryrefslogtreecommitdiffstats
path: root/drivers/net/bonding/rte_eth_bond_args.c
diff options
context:
space:
mode:
authorC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 07:50:17 -0700
committerC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 12:17:54 -0700
commit97f17497d162afdb82c8704bf097f0fee3724b2e (patch)
tree1c6269614c0c15ffef8451c58ae8f8b30a1bc804 /drivers/net/bonding/rte_eth_bond_args.c
parente04be89c2409570e0055b2cda60bd11395bb93b0 (diff)
Imported Upstream version 16.04
Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757 Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
Diffstat (limited to 'drivers/net/bonding/rte_eth_bond_args.c')
-rw-r--r--drivers/net/bonding/rte_eth_bond_args.c278
1 files changed, 278 insertions, 0 deletions
diff --git a/drivers/net/bonding/rte_eth_bond_args.c b/drivers/net/bonding/rte_eth_bond_args.c
new file mode 100644
index 00000000..02ecde64
--- /dev/null
+++ b/drivers/net/bonding/rte_eth_bond_args.c
@@ -0,0 +1,278 @@
+/*-
+ * 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:
+ case BONDING_MODE_BROADCAST:
+ case BONDING_MODE_8023AD:
+ case BONDING_MODE_TLB:
+ case BONDING_MODE_ALB:
+ 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;
+}