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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/net/ethernet/ibm/ibmvnic.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /**************************************************************************/
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 /*                                                                        */
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 /*  IBM System i and System p Virtual NIC Device Driver                   */
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@@ -6,18 +7,6 @@
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 /*  Thomas Falcon (tlfalcon@linux.vnet.ibm.com)                           */
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 /*  John Allen (jallen@linux.vnet.ibm.com)                                */
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 /*                                                                        */
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-/*  This program is free software; you can redistribute it and/or modify  */
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-/*  it under the terms of the GNU General Public License as published by  */
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-/*  the Free Software Foundation; either version 2 of the License, or     */
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-/*  (at your option) any later version.                                   */
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-/*                                                                        */
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-/*  This program is distributed in the hope that it will be useful,       */
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-/*  but WITHOUT ANY WARRANTY; without even the implied warranty of        */
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-/*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         */
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-/*  GNU General Public License for more details.                          */
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-/*                                                                        */
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-/*  You should have received a copy of the GNU General Public License     */
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-/*  along with this program.                                              */
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 /*                                                                        */
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 /* This module contains the implementation of a virtual ethernet device   */
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 /* for use with IBM i/pSeries LPAR Linux.  It utilizes the logical LAN    */
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@@ -31,6 +20,7 @@
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 #define IBMVNIC_INVALID_MAP	-1
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 #define IBMVNIC_STATS_TIMEOUT	1
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 #define IBMVNIC_INIT_FAILED	2
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+#define IBMVNIC_OPEN_FAILED	3
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 /* basic structures plus 100 2k buffers */
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 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT	610305
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@@ -39,7 +29,8 @@
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 #define IBMVNIC_RX_WEIGHT		16
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 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
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 #define IBMVNIC_BUFFS_PER_POOL	100
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-#define IBMVNIC_MAX_QUEUES	10
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+#define IBMVNIC_MAX_QUEUES	16
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+#define IBMVNIC_MAX_QUEUE_SZ   4096
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 #define IBMVNIC_TSO_BUF_SZ	65536
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 #define IBMVNIC_TSO_BUFS	64
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@@ -47,6 +38,8 @@
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 #define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
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 #define IBMVNIC_BUFFER_HLEN 500
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+
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+#define IBMVNIC_RESET_DELAY 100
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 struct ibmvnic_login_buffer {
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 	__be32 len;
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@@ -371,11 +364,16 @@
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 	u8 flags2;
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 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
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 	__be32 speed;
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-#define IBMVNIC_AUTONEG		0x80
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-#define IBMVNIC_10MBPS		0x40
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-#define IBMVNIC_100MBPS		0x20
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-#define IBMVNIC_1GBPS		0x10
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-#define IBMVNIC_10GBPS		0x08
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+#define IBMVNIC_AUTONEG		0x80000000
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+#define IBMVNIC_10MBPS		0x40000000
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+#define IBMVNIC_100MBPS		0x20000000
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+#define IBMVNIC_1GBPS		0x10000000
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+#define IBMVNIC_10GBPS		0x08000000
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+#define IBMVNIC_40GBPS		0x04000000
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+#define IBMVNIC_100GBPS		0x02000000
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+#define IBMVNIC_25GBPS		0x01000000
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+#define IBMVNIC_50GBPS		0x00800000
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+#define IBMVNIC_200GBPS		0x00400000
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 	__be32 mtu;
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 	struct ibmvnic_rc rc;
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 } __packed __aligned(8);
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@@ -844,6 +842,7 @@
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 	dma_addr_t msg_token;
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 	spinlock_t lock;
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 	bool active;
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+	char name[32];
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 };
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 union sub_crq {
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@@ -870,6 +869,8 @@
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 	struct sk_buff *rx_skb_top;
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 	struct ibmvnic_adapter *adapter;
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 	atomic_t used;
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+	char name[32];
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+	u64 handle;
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 };
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 struct ibmvnic_long_term_buff {
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@@ -956,7 +957,6 @@
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 	u64 rx_entries;
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 	u64 tx_entries;
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 	u64 mtu;
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-	struct sockaddr mac;
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 };
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 struct ibmvnic_adapter {
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@@ -992,6 +992,9 @@
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 	int phys_link_state;
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 	int logical_link_state;
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+	u32 speed;
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+	u8 duplex;
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+
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 	/* login data */
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 	struct ibmvnic_login_buffer *login_buf;
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 	dma_addr_t login_buf_token;
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@@ -1018,6 +1021,8 @@
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 	int init_done_rc;
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 	struct completion fw_done;
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+	/* Used for serialization of device commands */
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+	struct mutex fw_lock;
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 	int fw_done_rc;
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 	struct completion reset_done;
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@@ -1064,20 +1069,30 @@
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 	u32 num_active_rx_napi;
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 	u32 num_active_tx_scrqs;
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 	u32 num_active_tx_pools;
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+	u32 cur_rx_buf_sz;
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 	struct tasklet_struct tasklet;
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 	enum vnic_state state;
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 	enum ibmvnic_reset_reason reset_reason;
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+	/* when taking both state and rwi locks, take state lock first */
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 	spinlock_t rwi_lock;
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 	struct list_head rwi_list;
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 	struct work_struct ibmvnic_reset;
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-	bool resetting;
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+	struct delayed_work ibmvnic_delayed_reset;
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+	unsigned long resetting;
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 	bool napi_enabled, from_passive_init;
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+	bool login_pending;
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+	/* last device reset time */
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+	unsigned long last_reset_time;
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-	bool mac_change_pending;
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 	bool failover_pending;
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 	bool force_reset_recovery;
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 	struct ibmvnic_tunables desired;
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 	struct ibmvnic_tunables fallback;
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+
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+	/* Used for serialization of state field. When taking both state
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+	 * and rwi locks, take state lock first.
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+	 */
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+	spinlock_t state_lock;
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 };