Libxdp function `xsk_socket__create_shared`

Definition

Creates an AF_XDP socket and share the ownership of the umem between multiple sockets.

Returns

0 on success, or a negative error in case of failure:

-EINVAL if arguments are invalid

-EFAULT if memory address is invalid

-ENOMEM if no data space available

-ENOPROTOOPT if option is not supported by the protocol

Usage

int xsk_socket__create_shared(struct xsk_socket **xsk_ptr,
                  const char *ifname,
                  __u32 queue_id, struct xsk_umem *umem,
                  struct xsk_ring_cons *rx,
                  struct xsk_ring_prod *tx,
                  struct xsk_ring_prod *fill,
                  struct xsk_ring_cons *comp,
                  const struct xsk_socket_config *config);

Example

Docs could be improved

This part of the docs is incomplete, contributions are very welcome

Libxdp function xsk_socket__create_shared