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Message-Id: <20210726165544.389143-14-saeed@kernel.org>
Date: Mon, 26 Jul 2021 09:55:41 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Tariq Toukan <tariqt@...dia.com>,
Maxim Mikityanskiy <maximmi@...dia.com>,
Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next 13/16] net/mlx5e: Create struct mlx5e_rss_params_hash
From: Maxim Mikityanskiy <maximmi@...dia.com>
This commit introduces a new struct to store RSS hash parameters: hash
function and hash key. The existing usages are changed to use the new
struct.
Signed-off-by: Maxim Mikityanskiy <maximmi@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../ethernet/mellanox/mlx5/core/en/rx_res.h | 8 ++++++--
.../ethernet/mellanox/mlx5/core/en_ethtool.c | 18 ++++++++----------
.../net/ethernet/mellanox/mlx5/core/en_main.c | 14 +++++++-------
.../net/ethernet/mellanox/mlx5/core/en_tc.c | 2 +-
4 files changed, 22 insertions(+), 20 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.h b/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.h
index b56c5de4828f..bdcd0b583e43 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.h
@@ -10,11 +10,15 @@
#define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE / 2)
+struct mlx5e_rss_params_hash {
+ u8 hfunc;
+ u8 toeplitz_hash_key[40];
+};
+
struct mlx5e_rss_params {
+ struct mlx5e_rss_params_hash hash;
struct mlx5e_rss_params_indir indir;
u32 rx_hash_fields[MLX5E_NUM_INDIR_TIRS];
- u8 toeplitz_hash_key[40];
- u8 hfunc;
};
struct mlx5e_tir {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 8a75b37edcc2..4167f4e4211e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1172,7 +1172,7 @@ static int mlx5e_set_link_ksettings(struct net_device *netdev,
u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv)
{
- return sizeof(priv->rx_res->rss_params.toeplitz_hash_key);
+ return sizeof(priv->rx_res->rss_params.hash.toeplitz_hash_key);
}
static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev)
@@ -1206,11 +1206,10 @@ int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
memcpy(indir, rss->indir.table, sizeof(rss->indir.table));
if (key)
- memcpy(key, rss->toeplitz_hash_key,
- sizeof(rss->toeplitz_hash_key));
+ memcpy(key, rss->hash.toeplitz_hash_key, sizeof(rss->hash.toeplitz_hash_key));
if (hfunc)
- *hfunc = rss->hfunc;
+ *hfunc = rss->hash.hfunc;
return 0;
}
@@ -1238,8 +1237,8 @@ int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
rss = &priv->rx_res->rss_params;
- if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != rss->hfunc) {
- rss->hfunc = hfunc;
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != rss->hash.hfunc) {
+ rss->hash.hfunc = hfunc;
refresh_rqt = true;
refresh_tirs = true;
}
@@ -1250,9 +1249,8 @@ int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
}
if (key) {
- memcpy(rss->toeplitz_hash_key, key,
- sizeof(rss->toeplitz_hash_key));
- refresh_tirs = refresh_tirs || rss->hfunc == ETH_RSS_HASH_TOP;
+ memcpy(rss->hash.toeplitz_hash_key, key, sizeof(rss->hash.toeplitz_hash_key));
+ refresh_tirs = refresh_tirs || rss->hash.hfunc == ETH_RSS_HASH_TOP;
}
if (refresh_rqt && test_bit(MLX5E_STATE_OPENED, &priv->state)) {
@@ -1267,7 +1265,7 @@ int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
mlx5e_rqt_redirect_indir(&priv->rx_res->indir_rqt, rqns,
priv->channels.num,
- rss->hfunc, &rss->indir);
+ rss->hash.hfunc, &rss->indir);
kvfree(rqns);
}
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 53a51ac86d64..10e6bebe8c74 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2285,7 +2285,7 @@ static void mlx5e_redirect_rqts_to_channels(struct mlx5e_priv *priv,
rqns[ix] = chs->c[ix]->rq.rqn;
mlx5e_rqt_redirect_indir(&res->indir_rqt, rqns, chs->num,
- res->rss_params.hfunc,
+ res->rss_params.hash.hfunc,
&res->rss_params.indir);
kvfree(rqns);
}
@@ -2393,15 +2393,15 @@ void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_rss_params *rss_params,
void *hfso = inner ? MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_inner) :
MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer);
- MLX5_SET(tirc, tirc, rx_hash_fn, mlx5e_rx_hash_fn(rss_params->hfunc));
- if (rss_params->hfunc == ETH_RSS_HASH_TOP) {
+ MLX5_SET(tirc, tirc, rx_hash_fn, mlx5e_rx_hash_fn(rss_params->hash.hfunc));
+ if (rss_params->hash.hfunc == ETH_RSS_HASH_TOP) {
void *rss_key = MLX5_ADDR_OF(tirc, tirc,
rx_hash_toeplitz_key);
size_t len = MLX5_FLD_SZ_BYTES(tirc,
rx_hash_toeplitz_key);
MLX5_SET(tirc, tirc, rx_hash_symmetric, 1);
- memcpy(rss_key, rss_params->toeplitz_hash_key, len);
+ memcpy(rss_key, rss_params->hash.toeplitz_hash_key, len);
}
MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
ttconfig->l3_prot_type);
@@ -4591,9 +4591,9 @@ void mlx5e_build_rss_params(struct mlx5e_rss_params *rss_params,
{
enum mlx5e_traffic_types tt;
- rss_params->hfunc = ETH_RSS_HASH_TOP;
- netdev_rss_key_fill(rss_params->toeplitz_hash_key,
- sizeof(rss_params->toeplitz_hash_key));
+ rss_params->hash.hfunc = ETH_RSS_HASH_TOP;
+ netdev_rss_key_fill(rss_params->hash.toeplitz_hash_key,
+ sizeof(rss_params->hash.toeplitz_hash_key));
mlx5e_build_default_indir_rqt(rss_params->indir.table,
MLX5E_INDIR_RQT_SIZE, num_channels);
for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index dd5546fb0f42..b4d58dd5c849 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -507,7 +507,7 @@ static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp)
mlx5e_build_default_indir_rqt(indir->table, MLX5E_INDIR_RQT_SIZE, hp->num_channels);
err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels,
- priv->rx_res->rss_params.hfunc, indir);
+ priv->rx_res->rss_params.hash.hfunc, indir);
kvfree(indir);
return err;
--
2.31.1
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