linux/drivers/net/ethernet/netronome/nfp/nfd3/xsk.c

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/* Copyright (C) 2018 Netronome Systems, Inc */
/* Copyright (C) 2021 Corigine, Inc */

#include <linux/bpf_trace.h>
#include <linux/netdevice.h>

#include "../nfp_app.h"
#include "../nfp_net.h"
#include "../nfp_net_dp.h"
#include "../nfp_net_xsk.h"
#include "nfd3.h"

static bool
nfp_nfd3_xsk_tx_xdp(const struct nfp_net_dp *dp, struct nfp_net_r_vector *r_vec,
		    struct nfp_net_rx_ring *rx_ring,
		    struct nfp_net_tx_ring *tx_ring,
		    struct nfp_net_xsk_rx_buf *xrxbuf, unsigned int pkt_len,
		    int pkt_off)
{ … }

static void nfp_nfd3_xsk_rx_skb(struct nfp_net_rx_ring *rx_ring,
				const struct nfp_net_rx_desc *rxd,
				struct nfp_net_xsk_rx_buf *xrxbuf,
				const struct nfp_meta_parsed *meta,
				unsigned int pkt_len,
				bool meta_xdp,
				unsigned int *skbs_polled)
{ … }

static unsigned int
nfp_nfd3_xsk_rx(struct nfp_net_rx_ring *rx_ring, int budget,
		unsigned int *skbs_polled)
{ … }

void nfp_nfd3_xsk_tx_free(struct nfp_nfd3_tx_buf *txbuf)
{ … }

static bool nfp_nfd3_xsk_complete(struct nfp_net_tx_ring *tx_ring)
{ … }

static void nfp_nfd3_xsk_tx(struct nfp_net_tx_ring *tx_ring)
{ … }

int nfp_nfd3_xsk_poll(struct napi_struct *napi, int budget)
{ … }