intel/igb/igb_main.c

2908 static int igb_xdp(struct net_device *dev, struct netdev_bpf *xdp)
2910 	switch (xdp->command) {
2912 		return igb_xdp_setup(dev, xdp);
2937 static int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff *xdp)
2939 	struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
4891 		/* Free all the Tx ring sk_buffs or xdp frames */
8480 					 struct xdp_buff *xdp,
8486 	unsigned int truesize = SKB_DATA_ALIGN(xdp->data_end -
8487 					       xdp->data_hard_start);
8489 	unsigned int size = xdp->data_end - xdp->data;
8494 	net_prefetch(xdp->data);
8507 		headlen = eth_get_headlen(skb->dev, xdp->data, IGB_RX_HDR_LEN);
8510 	memcpy(__skb_put(skb, headlen), xdp->data, ALIGN(headlen, sizeof(long)));
8516 				(xdp->data + headlen) - page_address(rx_buffer->page),
8532 				     struct xdp_buff *xdp,
8539 				SKB_DATA_ALIGN(xdp->data_end -
8540 					       xdp->data_hard_start);
8542 	unsigned int metasize = xdp->data - xdp->data_meta;
8546 	net_prefetch(xdp->data_meta);
8549 	skb = napi_build_skb(xdp->data_hard_start, truesize);
8554 	skb_reserve(skb, xdp->data - xdp->data_hard_start);
8555 	__skb_put(skb, xdp->data_end - xdp->data);
8575 				   struct xdp_buff *xdp)
8586 	prefetchw(xdp->data_hard_start); /* xdp_frame write */
8588 	act = bpf_prog_run_xdp(xdp_prog, xdp);
8593 		result = igb_xdp_xmit_back(adapter, xdp);
8598 		err = xdp_do_redirect(adapter->netdev, xdp, xdp_prog);
8863 	struct xdp_buff xdp;
8871 	xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq);
8917 			xdp_prepare_buff(&xdp, hard_start, offset, size, true);
8918 			xdp_buff_clear_frags_flag(&xdp);
8921 			xdp.frame_sz = igb_rx_frame_truesize(rx_ring, size);
8923 			skb = igb_run_xdp(adapter, rx_ring, &xdp);
8940 			skb = igb_build_skb(rx_ring, rx_buffer, &xdp,
8944 						&xdp, timestamp);