atheros_config_scan: Fix error case return values

Failure to generate the netlink message is an internal error, not an
invalid CAPI command.

send_and_recv_msgs() return value is not appropriate val

atheros_config_scan: Fix error case return values

Failure to generate the netlink message is an internal error, not an
invalid CAPI command.

send_and_recv_msgs() return value is not appropriate value to return
from a sigma_dut command handler function, so replace that with
ERROR_SEND_STATUS.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

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atheros: Convert process() handlers to use enum sigma_cmd_result

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

Avoid false static analyzer warning on impossible snprintf() error path

Explicitly check that snprintf() return value is not negative to silence
a static analyzer. This call cannot fail, but it is s

Avoid false static analyzer warning on impossible snprintf() error path

Explicitly check that snprintf() return value is not negative to silence
a static analyzer. This call cannot fail, but it is simpler to do this
than try to figure out other ways of getting rid of false warnings.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

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Add support for sending netlink messages

This allows sigma_dut to issue nl80211 commands directly without having
to use an external tool like iw (or go through wpa_supplicant) to do so.

An example

Add support for sending netlink messages

This allows sigma_dut to issue nl80211 commands directly without having
to use an external tool like iw (or go through wpa_supplicant) to do so.

An example of how to send a vendor command to the driver is provided in
atheros.c by function cmd_atheros_config_scan(), which is to enable or
disable scan functionality in the driver.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

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Import the initial version of sigma_dut open source project

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>