Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

Conflicts:

net/unix/garbage.c
  47d8ac011fe1 ("af_unix: Fix garbage collector racing against connect()")
  4090fa373f0e ("af_unix: Replace garbage collection algorithm.")

Adjacent changes:

drivers/net/ethernet/broadcom/bnxt/bnxt.c
  faa12ca24558 ("bnxt_en: Reset PTP tx_avail after possible firmware reset")
  b3d0083caf9a ("bnxt_en: Support RSS contexts in ethtool .{get|set}_rxfh()")

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
  7ac10c7d728d ("bnxt_en: Fix possible memory leak in bnxt_rdma_aux_device_init()")
  194fad5b2781 ("bnxt_en: Refactor bnxt_rdma_aux_device_init/uninit functions")

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
  958f56e48385 ("net/mlx5e: Un-expose functions in en.h")
  49e6c9387051 ("net/mlx5e: RSS, Block XOR hash with over 128 channels")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

5 files changed, 34 insertions, 17 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
index 86f1854698b4..883c044852f1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h
@@ -95,9 +95,15 @@ static inline void mlx5e_ptp_metadata_fifo_push(struct mlx5e_ptp_metadata_fifo *
 }
 
 static inline u8
+mlx5e_ptp_metadata_fifo_peek(struct mlx5e_ptp_metadata_fifo *fifo)
+{
+	return fifo->data[fifo->mask & fifo->cc];
+}
+
+static inline void
 mlx5e_ptp_metadata_fifo_pop(struct mlx5e_ptp_metadata_fifo *fifo)
 {
-	return fifo->data[fifo->mask & fifo->cc++];
+	fifo->cc++;
 }
 
 static inline void
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c b/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c
index e87e26f2c669..6743806b8480 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/qos.c
@@ -83,24 +83,25 @@ int mlx5e_open_qos_sq(struct mlx5e_priv *priv, struct mlx5e_channels *chs,
 
 	txq_ix = mlx5e_qid_from_qos(chs, node_qid);
 
-	WARN_ON(node_qid > priv->htb_max_qos_sqs);
-	if (node_qid == priv->htb_max_qos_sqs) {
-		struct mlx5e_sq_stats *stats, **stats_list = NULL;
-
-		if (priv->htb_max_qos_sqs == 0) {
-			stats_list = kvcalloc(mlx5e_qos_max_leaf_nodes(priv->mdev),
-					      sizeof(*stats_list),
-					      GFP_KERNEL);
-			if (!stats_list)
-				return -ENOMEM;
-		}
+	WARN_ON(node_qid >= mlx5e_htb_cur_leaf_nodes(priv->htb));
+	if (!priv->htb_qos_sq_stats) {
+		struct mlx5e_sq_stats **stats_list;
+
+		stats_list = kvcalloc(mlx5e_qos_max_leaf_nodes(priv->mdev),
+				      sizeof(*stats_list), GFP_KERNEL);
+		if (!stats_list)
+			return -ENOMEM;
+
+		WRITE_ONCE(priv->htb_qos_sq_stats, stats_list);
+	}
+
+	if (!priv->htb_qos_sq_stats[node_qid]) {
+		struct mlx5e_sq_stats *stats;
+
 		stats = kzalloc(sizeof(*stats), GFP_KERNEL);
-		if (!stats) {
-			kvfree(stats_list);
+		if (!stats)
 			return -ENOMEM;
-		}
-		if (stats_list)
-			WRITE_ONCE(priv->htb_qos_sq_stats, stats_list);
+
 		WRITE_ONCE(priv->htb_qos_sq_stats[node_qid], stats);
 		/* Order htb_max_qos_sqs increment after writing the array pointer.
 		 * Pairs with smp_load_acquire in en_stats.c.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c
index bcafb4bf9415..8d9a3b5ec973 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c
@@ -179,6 +179,13 @@ u32 mlx5e_rqt_size(struct mlx5_core_dev *mdev, unsigned int num_channels)
 	return min_t(u32, rqt_size, max_cap_rqt_size);
 }
 
+#define MLX5E_MAX_RQT_SIZE_ALLOWED_WITH_XOR8_HASH 256
+
+unsigned int mlx5e_rqt_max_num_channels_allowed_for_xor8(void)
+{
+	return MLX5E_MAX_RQT_SIZE_ALLOWED_WITH_XOR8_HASH / MLX5E_UNIFORM_SPREAD_RQT_FACTOR;
+}
+
 void mlx5e_rqt_destroy(struct mlx5e_rqt *rqt)
 {
 	mlx5_core_destroy_rqt(rqt->mdev, rqt->rqtn);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h
index e0bc30308c77..2f9e04a8418f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h
@@ -38,6 +38,7 @@ static inline u32 mlx5e_rqt_get_rqtn(struct mlx5e_rqt *rqt)
 }
 
 u32 mlx5e_rqt_size(struct mlx5_core_dev *mdev, unsigned int num_channels);
+unsigned int mlx5e_rqt_max_num_channels_allowed_for_xor8(void);
 int mlx5e_rqt_redirect_direct(struct mlx5e_rqt *rqt, u32 rqn, u32 *vhca_id);
 int mlx5e_rqt_redirect_indir(struct mlx5e_rqt *rqt, u32 *rqns, u32 *vhca_ids,
 			     unsigned int num_rqns,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c b/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c
index f675b1926340..f66bbc846464 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/selq.c
@@ -57,6 +57,7 @@ int mlx5e_selq_init(struct mlx5e_selq *selq, struct mutex *state_lock)
 
 void mlx5e_selq_cleanup(struct mlx5e_selq *selq)
 {
+	mutex_lock(selq->state_lock);
 	WARN_ON_ONCE(selq->is_prepared);
 
 	kvfree(selq->standby);
@@ -67,6 +68,7 @@ void mlx5e_selq_cleanup(struct mlx5e_selq *selq)
 
 	kvfree(selq->standby);
 	selq->standby = NULL;
+	mutex_unlock(selq->state_lock);
 }
 
 void mlx5e_selq_prepare_params(struct mlx5e_selq *selq, struct mlx5e_params *params)