> Define AF_IB and sockaddr_ib to allow the rdma_cm to use native IB
> addressing.
>
> Signed-off-by: Sean Hefty <sean.he...@intel.com>
> ---
> include/linux/socket.h | 2 +
> include/rdma/ib.h | 89
> ++++++++++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 91 insertions(+), 0 deletions(-)
> create mode 100644 include/rdma/ib.h
>
> diff --git a/include/linux/socket.h b/include/linux/socket.h
> index 9a546ff..17a33f7 100644
> --- a/include/linux/socket.h
> +++ b/include/linux/socket.h
> @@ -167,6 +167,7 @@ struct ucred {
> #define AF_PPPOX 24 /* PPPoX sockets */
> #define AF_WANPIPE 25 /* Wanpipe API Sockets */
> #define AF_LLC 26 /* Linux LLC */
> +#define AF_IB 27 /* Native InfiniBand address */
...
> diff --git a/include/rdma/ib.h b/include/rdma/ib.h
...
> +struct sockaddr_ib {
> + unsigned short int sib_family; /* AF_IB */
> + __be16 sib_pkey;
> + __be32 sib_flowinfo;
> + struct ib_addr sib_addr;
> + __be64 sib_sid;
> + __be64 sib_sid_mask;
> + __u64 sib_scope_id;
> +};
Dave/Roland/anyone, is there any feedback on this approach?
If there's hesitation to add new address families to socket.h, I could instead
use definitions local to the rdma_cm. This has the potential to result in
conflicts if the rdma_cm is expanded for other address families, though such
conflicts seem unlikely.
- Sean
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