Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_xsk.h b/drivers/net/ethernet/netronome/nfp/nfp_net_xsk.h
new file mode 100644
index 000000000..6d281eb2f
--- /dev/null
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_xsk.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/* Copyright (C) 2018 Netronome Systems, Inc */
+/* Copyright (C) 2021 Corigine, Inc */
+
+#ifndef _NFP_XSK_H_
+#define _NFP_XSK_H_
+
+#include <net/xdp_sock_drv.h>
+
+#define NFP_NET_XSK_TX_BATCH 16		/* XSK TX transmission batch size. */
+
+static inline bool nfp_net_has_xsk_pool_slow(struct nfp_net_dp *dp,
+					     unsigned int qid)
+{
+	return dp->xdp_prog && dp->xsk_pools[qid];
+}
+
+static inline int nfp_net_rx_space(struct nfp_net_rx_ring *rx_ring)
+{
+	return rx_ring->cnt - rx_ring->wr_p + rx_ring->rd_p - 1;
+}
+
+static inline int nfp_net_tx_space(struct nfp_net_tx_ring *tx_ring)
+{
+	return tx_ring->cnt - tx_ring->wr_p + tx_ring->rd_p - 1;
+}
+
+void nfp_net_xsk_rx_unstash(struct nfp_net_xsk_rx_buf *rxbuf);
+void nfp_net_xsk_rx_free(struct nfp_net_xsk_rx_buf *rxbuf);
+void nfp_net_xsk_rx_drop(struct nfp_net_r_vector *r_vec,
+			 struct nfp_net_xsk_rx_buf *xrxbuf);
+int nfp_net_xsk_setup_pool(struct net_device *netdev, struct xsk_buff_pool *pool,
+			   u16 queue_id);
+
+void nfp_net_xsk_rx_bufs_free(struct nfp_net_rx_ring *rx_ring);
+
+void nfp_net_xsk_rx_ring_fill_freelist(struct nfp_net_rx_ring *rx_ring);
+
+int nfp_net_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
+
+#endif /* _NFP_XSK_H_ */