Arnaldo Carvalho de Melo wrote:
<SNIP>
> +
> +/**
> + * struct sockaddr_can - the sockaddr structure for CAN sockets
> + * @can_family: address family number AF_CAN.
> + * @can_ifindex: CAN network interface index.
> + * @can_addr: transport protocol specific address, mostly CAN IDs.
> + */
> +struct sockaddr_can {
> + sa_family_t can_family;
> + int can_ifindex;
> + union {
> + struct { canid_t rx_id, tx_id; } tp16;
> + struct { canid_t rx_id, tx_id; } tp20;
> + struct { canid_t rx_id, tx_id; } mcnet;
> + struct { canid_t rx_id, tx_id; } isotp;
> + struct { int lcu, type; } bap;
> + } can_addr;
> +};
Can can_ifindex be turned into a unsigned short?
Hm - did you ever search for ifindex in the kernel?
E.g. in struct net_device in include/linux/netdevice.h , or functions
like dev_get_by_index() ?
The interface index (ifindex) is always(!) defined as an integer.
I think, we would get rightly knocked defining ifindex as a short value ;-)
Regards,
Oliver
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