return get_rxmem(precvframe);
}
-static inline u8 *recvframe_push(struct recv_frame *precvframe, int sz)
-{
- /* append data before rx_data */
-
- /* add data to the start of recv_frame
- *
- * This function extends the used data area of the recv_frame at the buffer
- * start. rx_data must be still larger than rx_head, after pushing.
- */
- if (precvframe == NULL)
- return NULL;
- precvframe->rx_data -= sz;
- if (precvframe->rx_data < precvframe->rx_head) {
- precvframe->rx_data += sz;
- return NULL;
- }
- precvframe->len += sz;
- return precvframe->rx_data;
-}
-
static inline u8 *recvframe_pull(struct recv_frame *precvframe, int sz)
{
/* rx_data += sz; move rx_data sz bytes hereafter */