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sandbox: eth-raw: Add a SIMPLE_BUS to enumerate host interfaces

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Ask the OS for each of its interfaces and for each one, bind a U-Boot
device and then probe it. This will allocate the priv data structure
that is then populated.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger
2018-07-02 14:47:54 -05:00
parent b96ced9cdb
commit f40a31e695
6 changed files with 98 additions and 26 deletions
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11
arch/sandbox/include/asm/eth-raw-os.h
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@@ -34,6 +34,17 @@ struct eth_sandbox_raw_priv {
unsigned short local_bind_udp_port;
};
/* A struct to mimic if_nameindex but that does not depend on Linux headers */
struct sandbox_eth_raw_if_nameindex {
unsigned int if_index; /* Index of interface (1, 2, ...) */
char *if_name; /* Null-terminated name ("eth0", etc.) */
};
/* Enumerate host network interfaces */
struct sandbox_eth_raw_if_nameindex *sandbox_eth_raw_if_nameindex(void);
/* Free the data structure of enumerated network interfaces */
void sandbox_eth_raw_if_freenameindex(struct sandbox_eth_raw_if_nameindex *ptr);
/*
* Check if the interface named "ifname" is a localhost interface or not.
* ifname - the interface name on the host to check