From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Eric Dumazet <edumazet@google.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
Maxim Mikityanskiy <maximmi@nvidia.com>
Subject: [PATCH net-next 14/16] net/mlx5e: Split out channel (de)activation in rx_res
Date: Thu, 29 Sep 2022 00:21:54 -0700 [thread overview]
Message-ID: <20220929072156.93299-15-saeed@kernel.org> (raw)
In-Reply-To: <20220929072156.93299-1-saeed@kernel.org>
From: Maxim Mikityanskiy <maximmi@nvidia.com>
To decrease the nesting level and reduce duplication of code, create
functions to redirect direct RQTs to the actual RQs or drop_rq, which
are used in the activation and deactivation flows of channels.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
.../ethernet/mellanox/mlx5/core/en/rx_res.c | 106 +++++++++---------
1 file changed, 53 insertions(+), 53 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c
index 24c32f73040a..3436ecfcbc2f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c
@@ -523,6 +523,53 @@ static u32 mlx5e_rx_res_get_rqtn_direct(struct mlx5e_rx_res *res, unsigned int i
return mlx5e_rqt_get_rqtn(&res->channels[ix].direct_rqt);
}
+static void mlx5e_rx_res_channel_activate_direct(struct mlx5e_rx_res *res,
+ struct mlx5e_channels *chs,
+ unsigned int ix)
+{
+ u32 rqn;
+ int err;
+
+ mlx5e_channels_get_regular_rqn(chs, ix, &rqn);
+ err = mlx5e_rqt_redirect_direct(&res->channels[ix].direct_rqt, rqn);
+ if (err)
+ mlx5_core_warn(res->mdev, "Failed to redirect direct RQT %#x to RQ %#x (channel %u): err = %d\n",
+ mlx5e_rqt_get_rqtn(&res->channels[ix].direct_rqt),
+ rqn, ix, err);
+
+ if (!(res->features & MLX5E_RX_RES_FEATURE_XSK))
+ return;
+
+ if (!mlx5e_channels_get_xsk_rqn(chs, ix, &rqn))
+ rqn = res->drop_rqn;
+ err = mlx5e_rqt_redirect_direct(&res->channels[ix].xsk_rqt, rqn);
+ if (err)
+ mlx5_core_warn(res->mdev, "Failed to redirect XSK RQT %#x to RQ %#x (channel %u): err = %d\n",
+ mlx5e_rqt_get_rqtn(&res->channels[ix].xsk_rqt),
+ rqn, ix, err);
+}
+
+static void mlx5e_rx_res_channel_deactivate_direct(struct mlx5e_rx_res *res,
+ unsigned int ix)
+{
+ int err;
+
+ err = mlx5e_rqt_redirect_direct(&res->channels[ix].direct_rqt, res->drop_rqn);
+ if (err)
+ mlx5_core_warn(res->mdev, "Failed to redirect direct RQT %#x to drop RQ %#x (channel %u): err = %d\n",
+ mlx5e_rqt_get_rqtn(&res->channels[ix].direct_rqt),
+ res->drop_rqn, ix, err);
+
+ if (!(res->features & MLX5E_RX_RES_FEATURE_XSK))
+ return;
+
+ err = mlx5e_rqt_redirect_direct(&res->channels[ix].xsk_rqt, res->drop_rqn);
+ if (err)
+ mlx5_core_warn(res->mdev, "Failed to redirect XSK RQT %#x to drop RQ %#x (channel %u): err = %d\n",
+ mlx5e_rqt_get_rqtn(&res->channels[ix].xsk_rqt),
+ res->drop_rqn, ix, err);
+}
+
void mlx5e_rx_res_channels_activate(struct mlx5e_rx_res *res, struct mlx5e_channels *chs)
{
unsigned int nch, ix;
@@ -536,43 +583,10 @@ void mlx5e_rx_res_channels_activate(struct mlx5e_rx_res *res, struct mlx5e_chann
mlx5e_rx_res_rss_enable(res);
- for (ix = 0; ix < nch; ix++) {
- u32 rqn;
-
- mlx5e_channels_get_regular_rqn(chs, ix, &rqn);
- err = mlx5e_rqt_redirect_direct(&res->channels[ix].direct_rqt, rqn);
- if (err)
- mlx5_core_warn(res->mdev, "Failed to redirect direct RQT %#x to RQ %#x (channel %u): err = %d\n",
- mlx5e_rqt_get_rqtn(&res->channels[ix].direct_rqt),
- rqn, ix, err);
-
- if (!(res->features & MLX5E_RX_RES_FEATURE_XSK))
- continue;
-
- if (!mlx5e_channels_get_xsk_rqn(chs, ix, &rqn))
- rqn = res->drop_rqn;
- err = mlx5e_rqt_redirect_direct(&res->channels[ix].xsk_rqt, rqn);
- if (err)
- mlx5_core_warn(res->mdev, "Failed to redirect XSK RQT %#x to RQ %#x (channel %u): err = %d\n",
- mlx5e_rqt_get_rqtn(&res->channels[ix].xsk_rqt),
- rqn, ix, err);
- }
- for (ix = nch; ix < res->max_nch; ix++) {
- err = mlx5e_rqt_redirect_direct(&res->channels[ix].direct_rqt, res->drop_rqn);
- if (err)
- mlx5_core_warn(res->mdev, "Failed to redirect direct RQT %#x to drop RQ %#x (channel %u): err = %d\n",
- mlx5e_rqt_get_rqtn(&res->channels[ix].direct_rqt),
- res->drop_rqn, ix, err);
-
- if (!(res->features & MLX5E_RX_RES_FEATURE_XSK))
- continue;
-
- err = mlx5e_rqt_redirect_direct(&res->channels[ix].xsk_rqt, res->drop_rqn);
- if (err)
- mlx5_core_warn(res->mdev, "Failed to redirect XSK RQT %#x to drop RQ %#x (channel %u): err = %d\n",
- mlx5e_rqt_get_rqtn(&res->channels[ix].xsk_rqt),
- res->drop_rqn, ix, err);
- }
+ for (ix = 0; ix < nch; ix++)
+ mlx5e_rx_res_channel_activate_direct(res, chs, ix);
+ for (ix = nch; ix < res->max_nch; ix++)
+ mlx5e_rx_res_channel_deactivate_direct(res, ix);
if (res->features & MLX5E_RX_RES_FEATURE_PTP) {
u32 rqn;
@@ -595,22 +609,8 @@ void mlx5e_rx_res_channels_deactivate(struct mlx5e_rx_res *res)
mlx5e_rx_res_rss_disable(res);
- for (ix = 0; ix < res->max_nch; ix++) {
- err = mlx5e_rqt_redirect_direct(&res->channels[ix].direct_rqt, res->drop_rqn);
- if (err)
- mlx5_core_warn(res->mdev, "Failed to redirect direct RQT %#x to drop RQ %#x (channel %u): err = %d\n",
- mlx5e_rqt_get_rqtn(&res->channels[ix].direct_rqt),
- res->drop_rqn, ix, err);
-
- if (!(res->features & MLX5E_RX_RES_FEATURE_XSK))
- continue;
-
- err = mlx5e_rqt_redirect_direct(&res->channels[ix].xsk_rqt, res->drop_rqn);
- if (err)
- mlx5_core_warn(res->mdev, "Failed to redirect XSK RQT %#x to drop RQ %#x (channel %u): err = %d\n",
- mlx5e_rqt_get_rqtn(&res->channels[ix].xsk_rqt),
- res->drop_rqn, ix, err);
- }
+ for (ix = 0; ix < res->max_nch; ix++)
+ mlx5e_rx_res_channel_deactivate_direct(res, ix);
if (res->features & MLX5E_RX_RES_FEATURE_PTP) {
err = mlx5e_rqt_redirect_direct(&res->ptp.rqt, res->drop_rqn);
--
2.37.3
next prev parent reply other threads:[~2022-09-29 7:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-29 7:21 [PATCH net-next 00/16] mlx5 xsk updates part2 2022-09-28 Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 01/16] xsk: Expose min chunk size to drivers Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 02/16] net/mlx5e: Use runtime page_shift for striding RQ Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 03/16] net/mlx5e: xsk: Use XSK frame size as striding RQ page size Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 04/16] net/mlx5e: Keep a separate MKey for striding RQ Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 05/16] net/mlx5: Add MLX5_FLEXIBLE_INLEN to safely calculate cmd inlen Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 06/16] net/mlx5e: xsk: Use KSM for unaligned XSK Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 07/16] xsk: Remove unused xsk_buff_discard Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 08/16] net/mlx5e: Fix calculations for ICOSQ size Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 09/16] net/mlx5e: Optimize the page cache reducing its size 2x Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 10/16] net/mlx5e: Rename mlx5e_dma_info to prepare for removal of DMA address Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 11/16] net/mlx5e: Remove DMA address from mlx5e_alloc_unit Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 12/16] net/mlx5e: Convert struct mlx5e_alloc_unit to a union Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 13/16] net/mlx5e: xsk: Remove mlx5e_xsk_page_alloc_pool Saeed Mahameed
2022-09-29 7:21 ` Saeed Mahameed [this message]
2022-09-29 7:21 ` [PATCH net-next 15/16] net/mlx5e: Move repeating clear_bit in mlx5e_rx_reporter_err_rq_cqe_recover Saeed Mahameed
2022-09-29 7:21 ` [PATCH net-next 16/16] net/mlx5e: Clean up and fix error flows in mlx5e_alloc_rq Saeed Mahameed
2022-09-29 15:43 ` [PATCH net-next 00/16] mlx5 xsk updates part2 2022-09-28 Jakub Kicinski
2022-09-30 15:50 ` patchwork-bot+netdevbpf
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