Merging upstream version 6.8.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 96 insertions, 28 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 0c83ef1742..0361741632 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -266,9 +266,6 @@ static int mlx5_ptp_settime_real_time(struct mlx5_core_dev *mdev,
 {
 	u32 in[MLX5_ST_SZ_DW(mtutc_reg)] = {};
 
-	if (!mlx5_modify_mtutc_allowed(mdev))
-		return 0;
-
 	if (ts->tv_sec < 0 || ts->tv_sec > U32_MAX ||
 	    ts->tv_nsec < 0 || ts->tv_nsec > NSEC_PER_SEC)
 		return -EINVAL;
@@ -286,12 +283,15 @@ static int mlx5_ptp_settime(struct ptp_clock_info *ptp, const struct timespec64
 	struct mlx5_timer *timer = &clock->timer;
 	struct mlx5_core_dev *mdev;
 	unsigned long flags;
-	int err;
 
 	mdev = container_of(clock, struct mlx5_core_dev, clock);
-	err = mlx5_ptp_settime_real_time(mdev, ts);
-	if (err)
-		return err;
+
+	if (mlx5_modify_mtutc_allowed(mdev)) {
+		int err = mlx5_ptp_settime_real_time(mdev, ts);
+
+		if (err)
+			return err;
+	}
 
 	write_seqlock_irqsave(&clock->lock, flags);
 	timecounter_init(&timer->tc, &timer->cycles, timespec64_to_ns(ts));
@@ -341,9 +341,6 @@ static int mlx5_ptp_adjtime_real_time(struct mlx5_core_dev *mdev, s64 delta)
 {
 	u32 in[MLX5_ST_SZ_DW(mtutc_reg)] = {};
 
-	if (!mlx5_modify_mtutc_allowed(mdev))
-		return 0;
-
 	/* HW time adjustment range is checked. If out of range, settime instead */
 	if (!mlx5_is_mtutc_time_adj_cap(mdev, delta)) {
 		struct timespec64 ts;
@@ -367,13 +364,16 @@ static int mlx5_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
 	struct mlx5_timer *timer = &clock->timer;
 	struct mlx5_core_dev *mdev;
 	unsigned long flags;
-	int err;
 
 	mdev = container_of(clock, struct mlx5_core_dev, clock);
 
-	err = mlx5_ptp_adjtime_real_time(mdev, delta);
-	if (err)
-		return err;
+	if (mlx5_modify_mtutc_allowed(mdev)) {
+		int err = mlx5_ptp_adjtime_real_time(mdev, delta);
+
+		if (err)
+			return err;
+	}
+
 	write_seqlock_irqsave(&clock->lock, flags);
 	timecounter_adjtime(&timer->tc, delta);
 	mlx5_update_clock_info_page(mdev);
@@ -396,15 +396,14 @@ static int mlx5_ptp_freq_adj_real_time(struct mlx5_core_dev *mdev, long scaled_p
 {
 	u32 in[MLX5_ST_SZ_DW(mtutc_reg)] = {};
 
-	if (!mlx5_modify_mtutc_allowed(mdev))
-		return 0;
-
 	MLX5_SET(mtutc_reg, in, operation, MLX5_MTUTC_OPERATION_ADJUST_FREQ_UTC);
 
-	if (MLX5_CAP_MCAM_FEATURE(mdev, mtutc_freq_adj_units)) {
+	if (MLX5_CAP_MCAM_FEATURE(mdev, mtutc_freq_adj_units) &&
+	    scaled_ppm <= S32_MAX && scaled_ppm >= S32_MIN) {
+		/* HW scaled_ppm support on mlx5 devices only supports a 32-bit value */
 		MLX5_SET(mtutc_reg, in, freq_adj_units,
 			 MLX5_MTUTC_FREQ_ADJ_UNITS_SCALED_PPM);
-		MLX5_SET(mtutc_reg, in, freq_adjustment, scaled_ppm);
+		MLX5_SET(mtutc_reg, in, freq_adjustment, (s32)scaled_ppm);
 	} else {
 		MLX5_SET(mtutc_reg, in, freq_adj_units, MLX5_MTUTC_FREQ_ADJ_UNITS_PPB);
 		MLX5_SET(mtutc_reg, in, freq_adjustment, scaled_ppm_to_ppb(scaled_ppm));
@@ -420,13 +419,15 @@ static int mlx5_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
 	struct mlx5_core_dev *mdev;
 	unsigned long flags;
 	u32 mult;
-	int err;
 
 	mdev = container_of(clock, struct mlx5_core_dev, clock);
 
-	err = mlx5_ptp_freq_adj_real_time(mdev, scaled_ppm);
-	if (err)
-		return err;
+	if (mlx5_modify_mtutc_allowed(mdev)) {
+		int err = mlx5_ptp_freq_adj_real_time(mdev, scaled_ppm);
+
+		if (err)
+			return err;
+	}
 
 	mult = (u32)adjust_by_scaled_ppm(timer->nominal_c_mult, scaled_ppm);
 
@@ -1004,14 +1005,38 @@ static void mlx5_init_clock_info(struct mlx5_core_dev *mdev)
 	info->frac = timer->tc.frac;
 }
 
+static void mlx5_init_timer_max_freq_adjustment(struct mlx5_core_dev *mdev)
+{
+	struct mlx5_clock *clock = &mdev->clock;
+	u32 out[MLX5_ST_SZ_DW(mtutc_reg)] = {};
+	u32 in[MLX5_ST_SZ_DW(mtutc_reg)] = {};
+	u8 log_max_freq_adjustment = 0;
+	int err;
+
+	err = mlx5_core_access_reg(mdev, in, sizeof(in), out, sizeof(out),
+				   MLX5_REG_MTUTC, 0, 0);
+	if (!err)
+		log_max_freq_adjustment =
+			MLX5_GET(mtutc_reg, out, log_max_freq_adjustment);
+
+	if (log_max_freq_adjustment)
+		clock->ptp_info.max_adj =
+			min(S32_MAX, 1 << log_max_freq_adjustment);
+}
+
 static void mlx5_init_timer_clock(struct mlx5_core_dev *mdev)
 {
 	struct mlx5_clock *clock = &mdev->clock;
 
+	/* Configure the PHC */
+	clock->ptp_info = mlx5_ptp_clock_info;
+
+	if (MLX5_CAP_MCAM_REG(mdev, mtutc))
+		mlx5_init_timer_max_freq_adjustment(mdev);
+
 	mlx5_timecounter_init(mdev);
 	mlx5_init_clock_info(mdev);
 	mlx5_init_overflow_period(clock);
-	clock->ptp_info = mlx5_ptp_clock_info;
 
 	if (mlx5_real_time_mode(mdev)) {
 		struct timespec64 ts;
@@ -1042,11 +1067,10 @@ void mlx5_init_clock(struct mlx5_core_dev *mdev)
 	}
 
 	seqlock_init(&clock->lock);
-	mlx5_init_timer_clock(mdev);
 	INIT_WORK(&clock->pps_info.out_work, mlx5_pps_out);
 
-	/* Configure the PHC */
-	clock->ptp_info = mlx5_ptp_clock_info;
+	/* Initialize the device clock */
+	mlx5_init_timer_clock(mdev);
 
 	/* Initialize 1PPS data structures */
 	mlx5_init_pps(mdev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
index e8e50563e9..e7d59cfa87 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -256,6 +256,13 @@ void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom)
 		devcom_free_comp_dev(devcom);
 }
 
+int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom)
+{
+	struct mlx5_devcom_comp *comp = devcom->comp;
+
+	return kref_read(&comp->ref);
+}
+
 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom,
 			   int event, int rollback_event,
 			   void *event_data)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
index fc23bbef87..ec32b686f5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
@@ -31,6 +31,7 @@ void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom);
 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom,
 			   int event, int rollback_event,
 			   void *event_data);
+int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom);
 
 void mlx5_devcom_comp_set_ready(struct mlx5_devcom_comp_dev *devcom, bool ready);
 bool mlx5_devcom_comp_is_ready(struct mlx5_devcom_comp_dev *devcom);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
index 9482e51ac8..7c5516b0a8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
@@ -13,11 +13,13 @@ struct mlx5_dm {
 	unsigned long *steering_sw_icm_alloc_blocks;
 	unsigned long *header_modify_sw_icm_alloc_blocks;
 	unsigned long *header_modify_pattern_sw_icm_alloc_blocks;
+	unsigned long *header_encap_sw_icm_alloc_blocks;
 };
 
 struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
 {
 	u64 header_modify_pattern_icm_blocks = 0;
+	u64 header_sw_encap_icm_blocks = 0;
 	u64 header_modify_icm_blocks = 0;
 	u64 steering_icm_blocks = 0;
 	struct mlx5_dm *dm;
@@ -54,6 +56,17 @@ struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
 			goto err_modify_hdr;
 	}
 
+	if (MLX5_CAP_DEV_MEM(dev, log_indirect_encap_sw_icm_size)) {
+		header_sw_encap_icm_blocks =
+			BIT(MLX5_CAP_DEV_MEM(dev, log_indirect_encap_sw_icm_size) -
+			    MLX5_LOG_SW_ICM_BLOCK_SIZE(dev));
+
+		dm->header_encap_sw_icm_alloc_blocks =
+			bitmap_zalloc(header_sw_encap_icm_blocks, GFP_KERNEL);
+		if (!dm->header_encap_sw_icm_alloc_blocks)
+			goto err_pattern;
+	}
+
 	support_v2 = MLX5_CAP_FLOWTABLE_NIC_RX(dev, sw_owner_v2) &&
 		     MLX5_CAP_FLOWTABLE_NIC_TX(dev, sw_owner_v2) &&
 		     MLX5_CAP64_DEV_MEM(dev, header_modify_pattern_sw_icm_start_address);
@@ -66,11 +79,14 @@ struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
 		dm->header_modify_pattern_sw_icm_alloc_blocks =
 			bitmap_zalloc(header_modify_pattern_icm_blocks, GFP_KERNEL);
 		if (!dm->header_modify_pattern_sw_icm_alloc_blocks)
-			goto err_pattern;
+			goto err_sw_encap;
 	}
 
 	return dm;
 
+err_sw_encap:
+	bitmap_free(dm->header_encap_sw_icm_alloc_blocks);
+
 err_pattern:
 	bitmap_free(dm->header_modify_sw_icm_alloc_blocks);
 
@@ -105,6 +121,14 @@ void mlx5_dm_cleanup(struct mlx5_core_dev *dev)
 		bitmap_free(dm->header_modify_sw_icm_alloc_blocks);
 	}
 
+	if (dm->header_encap_sw_icm_alloc_blocks) {
+		WARN_ON(!bitmap_empty(dm->header_encap_sw_icm_alloc_blocks,
+				      BIT(MLX5_CAP_DEV_MEM(dev,
+							   log_indirect_encap_sw_icm_size) -
+				      MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))));
+		bitmap_free(dm->header_encap_sw_icm_alloc_blocks);
+	}
+
 	if (dm->header_modify_pattern_sw_icm_alloc_blocks) {
 		WARN_ON(!bitmap_empty(dm->header_modify_pattern_sw_icm_alloc_blocks,
 				      BIT(MLX5_CAP_DEV_MEM(dev,
@@ -164,6 +188,13 @@ int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
 						log_header_modify_pattern_sw_icm_size);
 		block_map = dm->header_modify_pattern_sw_icm_alloc_blocks;
 		break;
+	case MLX5_SW_ICM_TYPE_SW_ENCAP:
+		icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
+						    indirect_encap_sw_icm_start_address);
+		log_icm_size = MLX5_CAP_DEV_MEM(dev,
+						log_indirect_encap_sw_icm_size);
+		block_map = dm->header_encap_sw_icm_alloc_blocks;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -242,6 +273,11 @@ int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type
 						    header_modify_pattern_sw_icm_start_address);
 		block_map = dm->header_modify_pattern_sw_icm_alloc_blocks;
 		break;
+	case MLX5_SW_ICM_TYPE_SW_ENCAP:
+		icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
+						    indirect_encap_sw_icm_start_address);
+		block_map = dm->header_encap_sw_icm_alloc_blocks;
+		break;
 	default:
 		return -EINVAL;
 	}