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authorIdo Schimmel <idosch@nvidia.com>2020-12-06 10:22:23 +0200
committerDavid S. Miller <davem@davemloft.net>2020-12-06 19:22:14 -0800
commit4834ad807917963f3dc045315a08a37a7da8c196 (patch)
treee593b3a4ca56c708105e9dd9136f4eb0c8ef2d67 /drivers/net/ethernet/mellanox/mlxsw
parent23fb55526d80122710c28cb6be0e5dba65a6a3f1 (diff)
mlxsw: core: Trace EMAD events
Currently, mlxsw triggers the 'devlink:devlink_hwmsg' tracepoint whenever a request is sent to the device and whenever a response is received from it. However, the tracepoint is not triggered when an event (e.g., port up / down) is received from the device. Also trace EMAD events in order to log a more complete picture of all the exchanged hardware messages. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index 630109f139a0..c67825a68a26 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -160,6 +160,7 @@ struct mlxsw_rx_listener_item {
struct mlxsw_event_listener_item {
struct list_head list;
+ struct mlxsw_core *mlxsw_core;
struct mlxsw_event_listener el;
void *priv;
};
@@ -2171,11 +2172,16 @@ static void mlxsw_core_event_listener_func(struct sk_buff *skb, u8 local_port,
void *priv)
{
struct mlxsw_event_listener_item *event_listener_item = priv;
+ struct mlxsw_core *mlxsw_core;
struct mlxsw_reg_info reg;
char *payload;
char *reg_tlv;
char *op_tlv;
+ mlxsw_core = event_listener_item->mlxsw_core;
+ trace_devlink_hwmsg(priv_to_devlink(mlxsw_core), true, 0,
+ skb->data, skb->len);
+
mlxsw_emad_tlv_parse(skb);
op_tlv = mlxsw_emad_op_tlv(skb);
reg_tlv = mlxsw_emad_reg_tlv(skb);
@@ -2225,6 +2231,7 @@ int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
el_item = kmalloc(sizeof(*el_item), GFP_KERNEL);
if (!el_item)
return -ENOMEM;
+ el_item->mlxsw_core = mlxsw_core;
el_item->el = *el;
el_item->priv = priv;