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authorMaxim Mikityanskiy <maximmi@nvidia.com>2022-01-25 13:52:52 +0300
committerSaeed Mahameed <saeedm@nvidia.com>2022-02-15 09:30:50 +0300
commit6b23f6ab86a4f3a608b9bfa98616e99a34bb650c (patch)
tree786d65185cddce984a8a4c461132156b795fad59 /drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
parent8bf30be75069d6080659de9a28565c048f6cef9b (diff)
downloadlinux-6b23f6ab86a4f3a608b9bfa98616e99a34bb650c.tar.xz
net/mlx5e: Move mlx5e_select_queue to en/selq.c
This commit moves mlx5e_select_queue and all stuff related to ndo_select_queue to en/selq.c to put all stuff working with selq into a separate file. Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tx.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 726661774979..2dc48406cd08 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -53,117 +53,6 @@ static void mlx5e_dma_unmap_wqe_err(struct mlx5e_txqsq *sq, u8 num_dma)
}
}
-#ifdef CONFIG_MLX5_CORE_EN_DCB
-static inline int mlx5e_get_dscp_up(struct mlx5e_priv *priv, struct sk_buff *skb)
-{
- int dscp_cp = 0;
-
- if (skb->protocol == htons(ETH_P_IP))
- dscp_cp = ipv4_get_dsfield(ip_hdr(skb)) >> 2;
- else if (skb->protocol == htons(ETH_P_IPV6))
- dscp_cp = ipv6_get_dsfield(ipv6_hdr(skb)) >> 2;
-
- return priv->dcbx_dp.dscp2prio[dscp_cp];
-}
-#endif
-
-static u16 mlx5e_select_ptpsq(struct net_device *dev, struct sk_buff *skb)
-{
- struct mlx5e_priv *priv = netdev_priv(dev);
- int up = 0;
-
- if (!netdev_get_num_tc(dev))
- goto return_txq;
-
-#ifdef CONFIG_MLX5_CORE_EN_DCB
- if (priv->dcbx_dp.trust_state == MLX5_QPTS_TRUST_DSCP)
- up = mlx5e_get_dscp_up(priv, skb);
- else
-#endif
- if (skb_vlan_tag_present(skb))
- up = skb_vlan_tag_get_prio(skb);
-
-return_txq:
- return priv->port_ptp_tc2realtxq[up];
-}
-
-static int mlx5e_select_htb_queue(struct mlx5e_priv *priv, struct sk_buff *skb,
- u16 htb_maj_id)
-{
- u16 classid;
-
- if ((TC_H_MAJ(skb->priority) >> 16) == htb_maj_id)
- classid = TC_H_MIN(skb->priority);
- else
- classid = READ_ONCE(priv->htb.defcls);
-
- if (!classid)
- return 0;
-
- return mlx5e_get_txq_by_classid(priv, classid);
-}
-
-u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
- struct net_device *sb_dev)
-{
- struct mlx5e_priv *priv = netdev_priv(dev);
- int num_tc_x_num_ch;
- int txq_ix;
- int up = 0;
- int ch_ix;
-
- /* Sync with mlx5e_update_num_tc_x_num_ch - avoid refetching. */
- num_tc_x_num_ch = READ_ONCE(priv->num_tc_x_num_ch);
- if (unlikely(dev->real_num_tx_queues > num_tc_x_num_ch)) {
- struct mlx5e_ptp *ptp_channel;
-
- /* Order maj_id before defcls - pairs with mlx5e_htb_root_add. */
- u16 htb_maj_id = smp_load_acquire(&priv->htb.maj_id);
-
- if (unlikely(htb_maj_id)) {
- txq_ix = mlx5e_select_htb_queue(priv, skb, htb_maj_id);
- if (txq_ix > 0)
- return txq_ix;
- }
-
- ptp_channel = READ_ONCE(priv->channels.ptp);
- if (unlikely(ptp_channel &&
- test_bit(MLX5E_PTP_STATE_TX, ptp_channel->state) &&
- mlx5e_use_ptpsq(skb)))
- return mlx5e_select_ptpsq(dev, skb);
-
- txq_ix = netdev_pick_tx(dev, skb, NULL);
- /* Fix netdev_pick_tx() not to choose ptp_channel and HTB txqs.
- * If they are selected, switch to regular queues.
- * Driver to select these queues only at mlx5e_select_ptpsq()
- * and mlx5e_select_htb_queue().
- */
- if (unlikely(txq_ix >= num_tc_x_num_ch))
- txq_ix %= num_tc_x_num_ch;
- } else {
- txq_ix = netdev_pick_tx(dev, skb, NULL);
- }
-
- if (!netdev_get_num_tc(dev))
- return txq_ix;
-
-#ifdef CONFIG_MLX5_CORE_EN_DCB
- if (priv->dcbx_dp.trust_state == MLX5_QPTS_TRUST_DSCP)
- up = mlx5e_get_dscp_up(priv, skb);
- else
-#endif
- if (skb_vlan_tag_present(skb))
- up = skb_vlan_tag_get_prio(skb);
-
- /* Normalize any picked txq_ix to [0, num_channels),
- * So we can return a txq_ix that matches the channel and
- * packet UP.
- */
- ch_ix = priv->txq2sq[txq_ix]->ch_ix;
-
- return priv->channel_tc2realtxq[ch_ix][up];
-}
-
static inline int mlx5e_skb_l2_header_offset(struct sk_buff *skb)
{
#define MLX5E_MIN_INLINE (ETH_HLEN + VLAN_HLEN)