cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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channels.c (974B)

      1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
      2/* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. */
      3
      4#include "channels.h"
      5#include "en.h"
      6#include "en/ptp.h"
      7
      8unsigned int mlx5e_channels_get_num(struct mlx5e_channels *chs)
      9{
     10	return chs->num;
     11}
     12
     13void mlx5e_channels_get_regular_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn)
     14{
     15	struct mlx5e_channel *c;
     16
     17	WARN_ON(ix >= mlx5e_channels_get_num(chs));
     18	c = chs->c[ix];
     19
     20	*rqn = c->rq.rqn;
     21}
     22
     23bool mlx5e_channels_get_xsk_rqn(struct mlx5e_channels *chs, unsigned int ix, u32 *rqn)
     24{
     25	struct mlx5e_channel *c;
     26
     27	WARN_ON(ix >= mlx5e_channels_get_num(chs));
     28	c = chs->c[ix];
     29
     30	if (!test_bit(MLX5E_CHANNEL_STATE_XSK, c->state))
     31		return false;
     32
     33	*rqn = c->xskrq.rqn;
     34	return true;
     35}
     36
     37bool mlx5e_channels_get_ptp_rqn(struct mlx5e_channels *chs, u32 *rqn)
     38{
     39	struct mlx5e_ptp *c = chs->ptp;
     40
     41	if (!c || !test_bit(MLX5E_PTP_STATE_RX, c->state))
     42		return false;
     43
     44	*rqn = c->rq.rqn;
     45	return true;
     46}