net/mlx4: Warn users of depracated QoS Firmware
A new capability bit was introduced in the past to to differ devices using the QoS ETS feature. The old was deprecated since then. If driver sees device which set only the old capabilty, it will print warning to user suggesting to upgrade the FW. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2814,7 +2814,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
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priv->msg_enable = MLX4_EN_MSG_LEVEL;
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#ifdef CONFIG_MLX4_EN_DCB
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if (!mlx4_is_slave(priv->mdev->dev)) {
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if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) {
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if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) {
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dev->dcbnl_ops = &mlx4_en_dcbnl_ops;
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} else {
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en_info(priv, "enabling only PFC DCB ops\n");
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@ -149,6 +149,7 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
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[23] = "QP rate limiting support",
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[24] = "Ethernet Flow control statistics support",
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[25] = "Granular QoS per VF support",
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[26] = "Port ETS Scheduler support",
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};
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int i;
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@ -900,6 +901,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN);
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if (field & 1<<3)
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dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS;
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if (field & (1 << 5))
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dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG;
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MLX4_GET(dev_cap->max_icm_sz, outbox,
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QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET);
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if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS)
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@ -1157,9 +1160,9 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
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field &= 0x7f;
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MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
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/* For guests, disable vxlan tunneling */
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/* For guests, disable vxlan tunneling and QoS support */
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MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN);
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field &= 0xf7;
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field &= 0xd7;
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MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN);
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/* For guests, report Blueflame disabled */
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@ -528,6 +528,14 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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dev->caps.alloc_res_qp_mask =
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(dev->caps.bf_reg_size ? MLX4_RESERVE_ETH_BF_QP : 0) |
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MLX4_RESERVE_A0_QP;
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if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) &&
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dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) {
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mlx4_warn(dev, "Old device ETS support detected\n");
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mlx4_warn(dev, "Consider upgrading device FW.\n");
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dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG;
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}
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} else {
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dev->caps.alloc_res_qp_mask = 0;
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}
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@ -207,6 +207,7 @@ enum {
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MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT = 1LL << 23,
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MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN = 1LL << 24,
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MLX4_DEV_CAP_FLAG2_QOS_VPP = 1LL << 25,
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MLX4_DEV_CAP_FLAG2_ETS_CFG = 1LL << 26,
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};
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enum {
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