mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-06 21:14:18 +00:00
b3ad8450b4
Add Xsk counterparts for XDP_TX buffer sending and completion. The same base structures and functions used from the libeth_xdp core, with adjustments to that XSk Rx always operates on &xdp_buff_xsk for both head and frags. And unlike regular Rx, here unlikely() are used for frags, as the header split gives no benefits for XSk Rx, at least for now. Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (C) 2025 Intel Corporation */
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#define DEFAULT_SYMBOL_NAMESPACE "LIBETH"
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#include <net/libeth/xdp.h>
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#include "priv.h"
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/* Tx buffer completion */
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DEFINE_STATIC_CALL_NULL(bulk, libeth_xdp_return_buff_bulk);
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DEFINE_STATIC_CALL_NULL(xsk, libeth_xsk_buff_free_slow);
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/**
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* libeth_tx_complete_any - perform Tx completion for one SQE of any type
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* @sqe: Tx buffer to complete
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* @cp: polling params
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*
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* Can be used to complete both regular and XDP SQEs, for example when
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* destroying queues.
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* When libeth_xdp is not loaded, XDPSQEs won't be handled.
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*/
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void libeth_tx_complete_any(struct libeth_sqe *sqe, struct libeth_cq_pp *cp)
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{
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if (sqe->type >= __LIBETH_SQE_XDP_START)
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__libeth_xdp_complete_tx(sqe, cp, static_call(bulk),
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static_call(xsk));
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else
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libeth_tx_complete(sqe, cp);
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}
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EXPORT_SYMBOL_GPL(libeth_tx_complete_any);
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/* Module */
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void libeth_attach_xdp(const struct libeth_xdp_ops *ops)
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{
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static_call_update(bulk, ops ? ops->bulk : NULL);
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static_call_update(xsk, ops ? ops->xsk : NULL);
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}
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EXPORT_SYMBOL_GPL(libeth_attach_xdp);
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