intel/libeth/xdp.c

8 #include <net/libeth/xdp.h>
29 		netdev_warn(dev, "XDPSQ sharing enabled, possible XDP Tx slowdown\n");
114  * libeth_xdp_tx_exception - handle Tx exceptions of XDP frames
115  * @bq: XDP Tx frame bulk
120  * Reports XDP Tx exceptions, frees the frames that won't be sent or adjust
205  * @src: source XDP buffer
208  * Use the fields from the passed XDP buffer to initialize the stash on the
228 	LIBETH_XDP_ONSTACK_BUFF(xdp);
230 	libeth_xdp_load_stash(xdp, stash);
231 	libeth_xdp_return_buff_slow(xdp);
239  * @xdp: buffer to free/return
244 void __cold libeth_xdp_return_buff_slow(struct libeth_xdp_buff *xdp)
246 	__libeth_xdp_return_buff(xdp, false);
251  * libeth_xdp_buff_add_frag - add frag to XDP buffer
252  * @xdp: head XDP buffer
261 bool libeth_xdp_buff_add_frag(struct libeth_xdp_buff *xdp,
267 	if (!xdp_buff_add_frag(&xdp->base, netmem,
276 	libeth_xdp_return_buff_slow(xdp);
283  * libeth_xdp_prog_exception - handle XDP prog exceptions
284  * @bq: XDP Tx bulk
285  * @xdp: buffer to process
286  * @act: original XDP prog verdict
291  * Reports invalid @act, XDP exception trace event and frees the buffer.
293  * Return: libeth_xdp XDP prog verdict.
296 				     struct libeth_xdp_buff *xdp,
304 	if (xdp->base.rxq->mem.type == MEM_TYPE_XSK_BUFF_POOL)
305 		return libeth_xsk_prog_exception(xdp, act, ret);
307 	libeth_xdp_return_buff_slow(xdp);
327  * @bq: XDP frame bulk to store the buffer
352  * libeth_xdp_queue_threshold - calculate XDP queue clean/refill threshold
380  * __libeth_xdp_set_features - set XDP features for netdev
382  * @xmo: XDP metadata ops (Rx hints)
412  * libeth_xdp_set_redirect - toggle the XDP redirect feature
414  * @enable: whether XDP is enabled
449 MODULE_DESCRIPTION("Common Ethernet library - XDP infra");