struct net_device *dev;
};
+enum xdp_buff_flags {
+ XDP_FLAGS_HAS_FRAGS = BIT(0), /* non-linear xdp buff */
+};
+
struct xdp_buff {
void *data;
void *data_end;
struct xdp_rxq_info *rxq;
struct xdp_txq_info *txq;
u32 frame_sz; /* frame size to deduce data_hard_end/reserved tailroom*/
+ u32 flags; /* supported values defined in xdp_buff_flags */
};
+static __always_inline bool xdp_buff_has_frags(struct xdp_buff *xdp)
+{
+ return !!(xdp->flags & XDP_FLAGS_HAS_FRAGS);
+}
+
+static __always_inline void xdp_buff_set_frags_flag(struct xdp_buff *xdp)
+{
+ xdp->flags |= XDP_FLAGS_HAS_FRAGS;
+}
+
+static __always_inline void xdp_buff_clear_frags_flag(struct xdp_buff *xdp)
+{
+ xdp->flags &= ~XDP_FLAGS_HAS_FRAGS;
+}
+
static __always_inline void
xdp_init_buff(struct xdp_buff *xdp, u32 frame_sz, struct xdp_rxq_info *rxq)
{
xdp->frame_sz = frame_sz;
xdp->rxq = rxq;
+ xdp->flags = 0;
}
static __always_inline void
*/
struct xdp_mem_info mem;
struct net_device *dev_rx; /* used by cpumap */
+ u32 flags; /* supported values defined in xdp_buff_flags */
};
+static __always_inline bool xdp_frame_has_frags(struct xdp_frame *frame)
+{
+ return !!(frame->flags & XDP_FLAGS_HAS_FRAGS);
+}
+
#define XDP_BULK_QUEUE_SIZE 16
struct xdp_frame_bulk {
int count;
xdp->data_end = frame->data + frame->len;
xdp->data_meta = frame->data - frame->metasize;
xdp->frame_sz = frame->frame_sz;
+ xdp->flags = frame->flags;
}
static inline
xdp_frame->headroom = headroom - sizeof(*xdp_frame);
xdp_frame->metasize = metasize;
xdp_frame->frame_sz = xdp->frame_sz;
+ xdp_frame->flags = xdp->flags;
return 0;
}