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net: netdevsim: Support setting dev->perm_addr on port creation

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Network management daemons that match on the device permanent address
currently have no virtual interface types to test against.
NetworkManager, in particular, has carried an out of tree patch to set
the permanent address on netdevsim devices to use in its CI for this
purpose.

To support this use case, support setting netdev->perm_addr when
creating a netdevsim port.

Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250710-netdevsim-perm_addr-v4-1-c9db2fecf3bf@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Toke Høiland-Jørgensen
2025-07-10 13:18:33 +02:00
committed by Jakub Kicinski
parent 650fe2a9dd
commit 54cb59cf81
4 changed files with 40 additions and 18 deletions
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9
drivers/net/netdevsim/netdevsim.h
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@@ -143,8 +143,9 @@ struct netdevsim {
struct netdev_net_notifier nn;
};
struct netdevsim *
nsim_create(struct nsim_dev *nsim_dev, struct nsim_dev_port *nsim_dev_port);
struct netdevsim *nsim_create(struct nsim_dev *nsim_dev,
struct nsim_dev_port *nsim_dev_port,
u8 perm_addr[ETH_ALEN]);
void nsim_destroy(struct netdevsim *ns);
bool netdev_is_nsim(struct net_device *dev);
@@ -362,8 +363,8 @@ void nsim_dev_exit(void);
int nsim_drv_probe(struct nsim_bus_dev *nsim_bus_dev);
void nsim_drv_remove(struct nsim_bus_dev *nsim_bus_dev);
int nsim_drv_port_add(struct nsim_bus_dev *nsim_bus_dev,
enum nsim_dev_port_type type,
unsigned int port_index);
enum nsim_dev_port_type type, unsigned int port_index,
u8 perm_addr[ETH_ALEN]);
int nsim_drv_port_del(struct nsim_bus_dev *nsim_bus_dev,
enum nsim_dev_port_type type,
unsigned int port_index);