| Message ID | 20210207084412.252259-5-parav@nvidia.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | netdevsim port add, delete support | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | success | CCed 3 of 3 maintainers |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 38 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 6046906d6b85..ab15b5f7e955 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -908,6 +908,7 @@ static const struct devlink_ops nsim_dev_devlink_ops = { .port_new = nsim_dev_devlink_port_new, .port_del = nsim_dev_devlink_port_del, .port_function_hw_addr_get = nsim_dev_port_fn_hw_addr_get, + .port_function_hw_addr_set = nsim_dev_port_fn_hw_addr_set, }; #define NSIM_DEV_MAX_MACS_DEFAULT 32 diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h index e910c3cf480d..aafe2027a112 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -324,3 +324,7 @@ int nsim_dev_port_fn_hw_addr_get(struct devlink *devlink, struct devlink_port *port, u8 *hw_addr, int *hw_addr_len, struct netlink_ext_ack *extack); +int nsim_dev_port_fn_hw_addr_set(struct devlink *devlink, + struct devlink_port *port, + const u8 *hw_addr, int hw_addr_len, + struct netlink_ext_ack *extack); diff --git a/drivers/net/netdevsim/port_function.c b/drivers/net/netdevsim/port_function.c index 882d1bdbfcf5..5d6c5a732546 100644 --- a/drivers/net/netdevsim/port_function.c +++ b/drivers/net/netdevsim/port_function.c @@ -461,3 +461,24 @@ int nsim_dev_port_fn_hw_addr_get(struct devlink *devlink, *hw_addr_len = ETH_ALEN; return 0; } + +int nsim_dev_port_fn_hw_addr_set(struct devlink *devlink, + struct devlink_port *dl_port, + const u8 *hw_addr, int hw_addr_len, + struct netlink_ext_ack *extack) +{ + struct nsim_dev *nsim_dev = devlink_priv(devlink); + struct nsim_port_fn *port; + + if (hw_addr_len != ETH_ALEN) { + NL_SET_ERR_MSG_MOD(extack, + "Hardware address must be 6 bytes long"); + return -EOPNOTSUPP; + } + port = nsim_dev_to_port_fn(nsim_dev, dl_port, extack); + if (IS_ERR(port)) + return PTR_ERR(port); + + memcpy(port->hw_addr, hw_addr, ETH_ALEN); + return 0; +}
Allow users to get/set hardware address for the PCI port. Below example creates one devlink port, queries a port, sets a hardware address. Example of a PCI SF port which supports a port function hw_addr set: Create a device with ID=10 and one physical port. $ echo "10 1" > /sys/bus/netdevsim/new_device Add PCI PF port: $ devlink port add netdevsim/netdevsim10 flavour pcipf pfnum 2 netdevsim/netdevsim10/1: type eth netdev eth1 flavour pcipf controller 0 pfnum 2 external false splittable false function: hw_addr 00:00:00:00:00:00 $ devlink port add netdevsim/netdevsim10 flavour pcisf pfnum 2 netdevsim/netdevsim10/2: type eth netdev eth2 flavour pcisf controller 0 pfnum 2 sfnum 0 splittable false function: hw_addr 00:00:00:00:00:00 Set the MAC address: $ devlink port function set netdevsim/netdevsim10/2 hw_addr 00:11:22:33:44:55 Show devlink ports: $ devlink port show netdevsim/netdevsim10/0: type eth netdev eth0 flavour physical port 1 splittable false netdevsim/netdevsim10/1: type eth netdev eth1 flavour pcipf controller 0 pfnum 2 external false splittable false function: hw_addr 00:00:00:00:00:00 netdevsim/netdevsim10/2: type eth netdev eth2 flavour pcisf controller 0 pfnum 2 sfnum 0 splittable false function: hw_addr 00:11:22:33:44:55 Show the port and function attributes in JSON format: $ devlink port show netdevsim/netdevsim10/2 -jp { "port": { "netdevsim/netdevsim10/2": { "type": "eth", "netdev": "eth2", "flavour": "pcisf", "controller": 0, "pfnum": 2, "sfnum": 0, "splittable": false, "function": { "hw_addr": "00:11:22:33:44:55" } } } } Signed-off-by: Parav Pandit <parav@nvidia.com> --- drivers/net/netdevsim/dev.c | 1 + drivers/net/netdevsim/netdevsim.h | 4 ++++ drivers/net/netdevsim/port_function.c | 21 +++++++++++++++++++++ 3 files changed, 26 insertions(+)