diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 7 | ||||
| -rw-r--r-- | include/net/xdp.h | 5 |
2 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 8452f72087ef..7f17785a59d7 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1185,13 +1185,13 @@ struct dev_ifalias { * This function is used to set or query state related to XDP on the * netdevice and manage BPF offload. See definition of * enum bpf_netdev_command for details. - * int (*ndo_xdp_xmit)(struct net_device *dev, int n, struct xdp_frame **xdp); + * int (*ndo_xdp_xmit)(struct net_device *dev, int n, struct xdp_frame **xdp, + * u32 flags); * This function is used to submit @n XDP packets for transmit on a * netdevice. Returns number of frames successfully transmitted, frames * that got dropped are freed/returned via xdp_return_frame(). * Returns negative number, means general error invoking ndo, meaning * no frames were xmit'ed and core-caller will free all frames. - * TODO: Consider add flag to allow sending flush operation. * void (*ndo_xdp_flush)(struct net_device *dev); * This function is used to inform the driver to flush a particular * xdp tx queue. Must be called on same CPU as xdp_xmit. @@ -1380,7 +1380,8 @@ struct net_device_ops { int (*ndo_bpf)(struct net_device *dev, struct netdev_bpf *bpf); int (*ndo_xdp_xmit)(struct net_device *dev, int n, - struct xdp_frame **xdp); + struct xdp_frame **xdp, + u32 flags); void (*ndo_xdp_flush)(struct net_device *dev); }; diff --git a/include/net/xdp.h b/include/net/xdp.h index 7ad779237ae8..0c45f0f943ed 100644 --- a/include/net/xdp.h +++ b/include/net/xdp.h @@ -40,6 +40,11 @@ enum xdp_mem_type { MEM_TYPE_MAX, }; +/* XDP flags for ndo_xdp_xmit */ +#define XDP_XMIT_FLAGS_NONE 0U +#define XDP_XMIT_FLUSH (1U << 0) /* doorbell signal consumer */ +#define XDP_XMIT_FLAGS_MASK XDP_XMIT_FLUSH + struct xdp_mem_info { u32 type; /* enum xdp_mem_type, but known size type */ u32 id; |