Merge branch 'mlx5-misc-fixes-2024-08-15'

Tariq Toukan says:

====================
mlx5 misc fixes 2024-08-15

This patchset provides misc bug fixes from the team to the mlx5 driver.
====================

Link: https://patch.msgid.link/20240815071611.2211873-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: kuba-moo

drivers/net/ethernet/mellanox/mlx5/core/en.h

@@ -998,6 +998,7 @@ void mlx5e_build_ptys2ethtool_map(void);
 bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev, u8 page_shift,
 					    enum mlx5e_mpwrq_umr_mode umr_mode);
 
+void mlx5e_shampo_fill_umr(struct mlx5e_rq *rq, int len);
 void mlx5e_shampo_dealloc_hd(struct mlx5e_rq *rq);
 void mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats);
 void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s);

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

@@ -1236,6 +1236,14 @@ void mlx5e_free_rx_missing_descs(struct mlx5e_rq *rq)
 	rq->mpwqe.actual_wq_head = wq->head;
 	rq->mpwqe.umr_in_progress = 0;
 	rq->mpwqe.umr_completed = 0;
+
+	if (test_bit(MLX5E_RQ_STATE_SHAMPO, &rq->state)) {
+		struct mlx5e_shampo_hd *shampo = rq->mpwqe.shampo;
+		u16 len;
+
+		len = (shampo->pi - shampo->ci) & shampo->hd_per_wq;
+		mlx5e_shampo_fill_umr(rq, len);
+	}
 }
 
 void mlx5e_free_rx_descs(struct mlx5e_rq *rq)
@@ -3020,15 +3028,18 @@ int mlx5e_update_tx_netdev_queues(struct mlx5e_priv *priv)
 static void mlx5e_set_default_xps_cpumasks(struct mlx5e_priv *priv,
 					   struct mlx5e_params *params)
 {
-	struct mlx5_core_dev *mdev = priv->mdev;
-	int num_comp_vectors, ix, irq;
-
-	num_comp_vectors = mlx5_comp_vectors_max(mdev);
+	int ix;
 
 	for (ix = 0; ix < params->num_channels; ix++) {
+		int num_comp_vectors, irq, vec_ix;
+		struct mlx5_core_dev *mdev;
+
+		mdev = mlx5_sd_ch_ix_get_dev(priv->mdev, ix);
+		num_comp_vectors = mlx5_comp_vectors_max(mdev);
 		cpumask_clear(priv->scratchpad.cpumask);
+		vec_ix = mlx5_sd_ch_ix_get_vec_ix(mdev, ix);
 
-		for (irq = ix; irq < num_comp_vectors; irq += params->num_channels) {
+		for (irq = vec_ix; irq < num_comp_vectors; irq += params->num_channels) {
 			int cpu = mlx5_comp_vector_get_cpu(mdev, irq);
 
 			cpumask_set_cpu(cpu, priv->scratchpad.cpumask);

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

@@ -735,6 +735,7 @@ static int mlx5e_alloc_rx_hd_mpwqe(struct mlx5e_rq *rq)
 	ksm_entries = bitmap_find_window(shampo->bitmap,
 					 shampo->hd_per_wqe,
 					 shampo->hd_per_wq, shampo->pi);
+	ksm_entries = ALIGN_DOWN(ksm_entries, MLX5E_SHAMPO_WQ_HEADER_PER_PAGE);
 	if (!ksm_entries)
 		return 0;
 
@@ -962,26 +963,31 @@ void mlx5e_free_icosq_descs(struct mlx5e_icosq *sq)
 	sq->cc = sqcc;
 }
 
-static void mlx5e_handle_shampo_hd_umr(struct mlx5e_shampo_umr umr,
-				       struct mlx5e_icosq *sq)
+void mlx5e_shampo_fill_umr(struct mlx5e_rq *rq, int len)
 {
-	struct mlx5e_channel *c = container_of(sq, struct mlx5e_channel, icosq);
-	struct mlx5e_shampo_hd *shampo;
-	/* assume 1:1 relationship between RQ and icosq */
-	struct mlx5e_rq *rq = &c->rq;
-	int end, from, len = umr.len;
+	struct mlx5e_shampo_hd *shampo = rq->mpwqe.shampo;
+	int end, from, full_len = len;
 
-	shampo = rq->mpwqe.shampo;
 	end = shampo->hd_per_wq;
 	from = shampo->ci;
-	if (from + len > shampo->hd_per_wq) {
+	if (from + len > end) {
 		len -= end - from;
 		bitmap_set(shampo->bitmap, from, end - from);
 		from = 0;
 	}
 
 	bitmap_set(shampo->bitmap, from, len);
-	shampo->ci = (shampo->ci + umr.len) & (shampo->hd_per_wq - 1);
+	shampo->ci = (shampo->ci + full_len) & (shampo->hd_per_wq - 1);
+}
+
+static void mlx5e_handle_shampo_hd_umr(struct mlx5e_shampo_umr umr,
+				       struct mlx5e_icosq *sq)
+{
+	struct mlx5e_channel *c = container_of(sq, struct mlx5e_channel, icosq);
+	/* assume 1:1 relationship between RQ and icosq */
+	struct mlx5e_rq *rq = &c->rq;
+
+	mlx5e_shampo_fill_umr(rq, umr.len);
 }
 
 int mlx5e_poll_ico_cq(struct mlx5e_cq *cq)

drivers/net/ethernet/mellanox/mlx5/core/lib/ipsec_fs_roce.c

@@ -386,7 +386,8 @@ static int ipsec_fs_roce_tx_mpv_create(struct mlx5_core_dev *mdev,
 		return -EOPNOTSUPP;
 
 	peer_priv = mlx5_devcom_get_next_peer_data(*ipsec_roce->devcom, &tmp);
-	if (!peer_priv) {
+	if (!peer_priv || !peer_priv->ipsec) {
+		mlx5_core_err(mdev, "IPsec not supported on master device\n");
 		err = -EOPNOTSUPP;
 		goto release_peer;
 	}
@@ -455,7 +456,8 @@ static int ipsec_fs_roce_rx_mpv_create(struct mlx5_core_dev *mdev,
 		return -EOPNOTSUPP;
 
 	peer_priv = mlx5_devcom_get_next_peer_data(*ipsec_roce->devcom, &tmp);
-	if (!peer_priv) {
+	if (!peer_priv || !peer_priv->ipsec) {
+		mlx5_core_err(mdev, "IPsec not supported on master device\n");
 		err = -EOPNOTSUPP;
 		goto release_peer;
 	}