[v4] net/gve: check driver compatibility

[Stephen Hemminger]

On Fri, 19 May 2023 13:46:18 -0700
Rushil Gupta <rushilg at google.com> wrote:

> +#include <rte_version.h>
>  
>  #include "../gve_logs.h"
>  
> +#ifdef __linux__
> +#include <sys/utsname.h>
> +#endif
> +
>  typedef uint8_t u8;
>  typedef uint16_t u16;
>  typedef uint32_t u32;
> @@ -73,6 +78,12 @@ typedef rte_iova_t dma_addr_t;
>  
>  #define msleep(ms)		rte_delay_ms(ms)
>  
> +#define OS_VERSION_STRLEN 128
> +struct os_version_string {
> +	char os_version_str1[OS_VERSION_STRLEN];
> +	char os_version_str2[OS_VERSION_STRLEN];
> +};
> +

Not sure this a good idea. Are you having the host validate
against DPDK versions. This is a bad idea.

Better to use feature bits like virtio and not be creating
and validating strings about versions.  For example, ever minor
stable release changes this.