mlx4_en: Controlling FCS header removal
Canceling FCS removal where FW allows for better alignment of incoming data. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -806,6 +806,10 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
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qpn, ring->cqn, context);
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qpn, ring->cqn, context);
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context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
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context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
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/* Cancel FCS removal if FW allows */
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if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
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context->param3 |= cpu_to_be32(1 << 29);
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err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state);
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err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state);
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if (err) {
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if (err) {
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mlx4_qp_remove(mdev->dev, qp);
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mlx4_qp_remove(mdev->dev, qp);
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@ -101,6 +101,7 @@ static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
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[25] = "Router support",
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[25] = "Router support",
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[30] = "IBoE support",
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[30] = "IBoE support",
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[32] = "Unicast loopback support",
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[32] = "Unicast loopback support",
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[34] = "FCS header control",
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[38] = "Wake On LAN support",
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[38] = "Wake On LAN support",
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[40] = "UDP RSS support",
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[40] = "UDP RSS support",
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[41] = "Unicast VEP steering support",
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[41] = "Unicast VEP steering support",
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@ -75,6 +75,7 @@ enum {
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MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21,
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MLX4_DEV_CAP_FLAG_UD_MCAST = 1LL << 21,
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MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30,
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MLX4_DEV_CAP_FLAG_IBOE = 1LL << 30,
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MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32,
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MLX4_DEV_CAP_FLAG_UC_LOOPBACK = 1LL << 32,
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MLX4_DEV_CAP_FLAG_FCS_KEEP = 1LL << 34,
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MLX4_DEV_CAP_FLAG_WOL = 1LL << 38,
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MLX4_DEV_CAP_FLAG_WOL = 1LL << 38,
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MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40,
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MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40,
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MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
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MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
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