Author: hselasky
Date: Fri Nov 10 13:25:29 2017
New Revision: 325648
URL: https://svnweb.freebsd.org/changeset/base/325648
Log:
Implement support for decoding general port notification event in
the mlx5 core module.
Sponsored by: Mellanox Technologies
MFC after: 1 week
Modified:
head/sys/dev/mlx5/device.h
head/sys/dev/mlx5/mlx5_core/mlx5_eq.c
Modified: head/sys/dev/mlx5/device.h
==============================================================================
--- head/sys/dev/mlx5/device.h Fri Nov 10 13:17:40 2017 (r325647)
+++ head/sys/dev/mlx5/device.h Fri Nov 10 13:25:29 2017 (r325648)
@@ -486,6 +486,11 @@ struct mlx5_eqe_port_module_event {
u8 error_type;
};
+struct mlx5_eqe_general_notification_event {
+ u32 rq_user_index_delay_drop;
+ u32 rsvd0[6];
+};
+
union ev_data {
__be32 raw[7];
struct mlx5_eqe_cmd cmd;
@@ -499,6 +504,7 @@ union ev_data {
struct mlx5_eqe_page_req req_pages;
struct mlx5_eqe_port_module_event port_module_event;
struct mlx5_eqe_vport_change vport_change;
+ struct mlx5_eqe_general_notification_event general_notifications;
} __packed;
struct mlx5_eqe {
@@ -1386,6 +1392,10 @@ static inline int mlx5_get_cqe_format(const struct mlx
{
return (cqe->op_own & MLX5E_CQE_FORMAT_MASK) >> 2;
}
+
+enum {
+ MLX5_GEN_EVENT_SUBTYPE_DELAY_DROP_TIMEOUT = 0x1,
+};
/* 8 regular priorities + 1 for multicast */
#define MLX5_NUM_BYPASS_FTS 9
Modified: head/sys/dev/mlx5/mlx5_core/mlx5_eq.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_eq.c Fri Nov 10 13:17:40 2017 (r325647)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_eq.c Fri Nov 10 13:25:29 2017 (r325648)
@@ -1,5 +1,5 @@
/*-
- * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
+ * Copyright (c) 2013-2017, Mellanox Technologies, Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -80,6 +80,8 @@ struct cre_des_eq {
/*Function prototype*/
static void mlx5_port_module_event(struct mlx5_core_dev *dev,
struct mlx5_eqe *eqe);
+static void mlx5_port_general_notification_event(struct mlx5_core_dev *dev,
+ struct mlx5_eqe *eqe);
static int mlx5_cmd_destroy_eq(struct mlx5_core_dev *dev, u8 eqn)
{
@@ -157,6 +159,8 @@ static const char *eqe_type_str(u8 type)
return "MLX5_EVENT_TYPE_NIC_VPORT_CHANGE";
case MLX5_EVENT_TYPE_CODING_DCBX_CHANGE_EVENT:
return "MLX5_EVENT_TYPE_CODING_DCBX_CHANGE_EVENT";
+ case MLX5_EVENT_TYPE_CODING_GENERAL_NOTIFICATION_EVENT:
+ return "MLX5_EVENT_TYPE_CODING_GENERAL_NOTIFICATION_EVENT";
default:
return "Unrecognized event";
}
@@ -296,6 +300,10 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, stru
}
break;
+ case MLX5_EVENT_TYPE_CODING_GENERAL_NOTIFICATION_EVENT:
+ mlx5_port_general_notification_event(dev, eqe);
+ break;
+
case MLX5_EVENT_TYPE_CQ_ERROR:
cqn = be32_to_cpu(eqe->data.cq_err.cqn) & 0xffffff;
mlx5_core_warn(dev, "CQ error on CQN 0x%x, syndrom 0x%x\n",
@@ -665,5 +673,26 @@ static void mlx5_port_module_event(struct mlx5_core_de
/* store module status */
if (module_num < MLX5_MAX_PORTS)
dev->module_status[module_num] = module_status;
+}
+
+static void mlx5_port_general_notification_event(struct mlx5_core_dev *dev,
+ struct mlx5_eqe *eqe)
+{
+ u8 port = (eqe->data.port.port >> 4) & 0xf;
+ u32 rqn = 0;
+ struct mlx5_eqe_general_notification_event *general_event = NULL;
+
+ switch (eqe->sub_type) {
+ case MLX5_GEN_EVENT_SUBTYPE_DELAY_DROP_TIMEOUT:
+ general_event = &eqe->data.general_notifications;
+ rqn = be32_to_cpu(general_event->rq_user_index_delay_drop) &
+ 0xffffff;
+ break;
+ default:
+ mlx5_core_warn(dev,
+ "general event with unrecognized subtype: port %d, sub_type %d\n",
+ port, eqe->sub_type);
+ break;
+ }
}