SimpleLink does not compile (simplelink_sockets.c)

[denisbohm]

simplelink_sockets.c does not compile as it references the symbol ENSOCK that does not seem to be defined anywhere in the Zephyr sources:

https://github.com/zephyrproject-rtos/zephyr/search?q=ENSOCK

../simplelink/simplelink_sockets.c:70:11: error: 'ENSOCK' undeclared (first use in this function); did you mean 'ENOTSOCK'?
70 | error = ENSOCK;
| ^~~~~~
| ENOTSOCK

[denisbohm]

Just noticed the below in the TI hal user.h. So maybe SL_INC_INTERNAL_ERRNO is being defined somehow, but should not be?

/*!
\brief User's errno setter function. User must provide an errno setter
in order to let the SimpleLink Wi-Fi driver to support BSD API
alongside the user's errno mechanism.

\param      None.

\sa         SL_INC_INTERNAL_ERRNO

\note

\note       belongs to \ref porting_sec

\warning

/
#ifndef SL_INC_INTERNAL_ERRNO
/

• Zephyr Port: use Zephyr SDK's errno.h definitions, and supply those missing
• to allow the SimpleLink driver.c to compile
• Also, supply the external errno setter function.
  */
  #include <errno.h>
  #define ERROR EIO
  #define INEXE EALREADY
  #define ENSOCK ENFILE

extern int dpl_set_errno(int err);
#define slcb_SetErrno dpl_set_errno

#endif

[denisbohm]

Looks like the above TI hal user.h code segment for Zephyr is new. It isn't in the code that I've been using to create my CC3120 SPI driver (simplelink_sdk_wifi_plugin_4_20_00_10). So I did not have that in my port of user.h. I will add that code to my driver. So not sure this is actually a Zephyr compile issue. (Although it may be an issue that those defines aren't somewhere standard, so this code isn't needed in user.h.)

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