From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c | 38 +++++++++++++++++++++++++-------------
1 files changed, 25 insertions(+), 13 deletions(-)
diff --git a/kernel/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/kernel/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
index bced2ef..438be21 100644
--- a/kernel/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
+++ b/kernel/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -3,6 +3,7 @@
#include <linux/mlx5/vport.h>
#include "lib/devcom.h"
+#include "mlx5_core.h"
static LIST_HEAD(devcom_list);
@@ -14,7 +15,7 @@
struct mlx5_devcom_component {
struct {
void *data;
- } device[MLX5_MAX_PORTS];
+ } device[MLX5_DEVCOM_PORTS_SUPPORTED];
mlx5_devcom_event_handler_t handler;
struct rw_semaphore sem;
@@ -25,7 +26,7 @@
struct list_head list;
struct mlx5_devcom_component components[MLX5_DEVCOM_NUM_COMPONENTS];
- struct mlx5_core_dev *devs[MLX5_MAX_PORTS];
+ struct mlx5_core_dev *devs[MLX5_DEVCOM_PORTS_SUPPORTED];
};
struct mlx5_devcom {
@@ -74,13 +75,16 @@
if (!mlx5_core_is_pf(dev))
return NULL;
+ if (MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_DEVCOM_PORTS_SUPPORTED)
+ return NULL;
+ mlx5_dev_list_lock();
sguid0 = mlx5_query_nic_system_image_guid(dev);
list_for_each_entry(iter, &devcom_list, list) {
struct mlx5_core_dev *tmp_dev = NULL;
idx = -1;
- for (i = 0; i < MLX5_MAX_PORTS; i++) {
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++) {
if (iter->devs[i])
tmp_dev = iter->devs[i];
else
@@ -100,8 +104,10 @@
if (!priv) {
priv = mlx5_devcom_list_alloc();
- if (!priv)
- return ERR_PTR(-ENOMEM);
+ if (!priv) {
+ devcom = ERR_PTR(-ENOMEM);
+ goto out;
+ }
idx = 0;
new_priv = true;
@@ -110,13 +116,16 @@
priv->devs[idx] = dev;
devcom = mlx5_devcom_alloc(priv, idx);
if (!devcom) {
- kfree(priv);
- return ERR_PTR(-ENOMEM);
+ if (new_priv)
+ kfree(priv);
+ devcom = ERR_PTR(-ENOMEM);
+ goto out;
}
if (new_priv)
list_add(&priv->list, &devcom_list);
-
+out:
+ mlx5_dev_list_unlock();
return devcom;
}
@@ -129,20 +138,23 @@
if (IS_ERR_OR_NULL(devcom))
return;
+ mlx5_dev_list_lock();
priv = devcom->priv;
priv->devs[devcom->idx] = NULL;
kfree(devcom);
- for (i = 0; i < MLX5_MAX_PORTS; i++)
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
if (priv->devs[i])
break;
- if (i != MLX5_MAX_PORTS)
- return;
+ if (i != MLX5_DEVCOM_PORTS_SUPPORTED)
+ goto out;
list_del(&priv->list);
kfree(priv);
+out:
+ mlx5_dev_list_unlock();
}
void mlx5_devcom_register_component(struct mlx5_devcom *devcom,
@@ -191,7 +203,7 @@
comp = &devcom->priv->components[id];
down_write(&comp->sem);
- for (i = 0; i < MLX5_MAX_PORTS; i++)
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
if (i != devcom->idx && comp->device[i].data) {
err = comp->handler(event, comp->device[i].data,
event_data);
@@ -239,7 +251,7 @@
return NULL;
}
- for (i = 0; i < MLX5_MAX_PORTS; i++)
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
if (i != devcom->idx)
break;
--
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