Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 371 insertions, 0 deletions

diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.h b/drivers/net/ethernet/toshiba/ps3_gelic_net.h
new file mode 100644
index 000000000..0d98defb0
--- /dev/null
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.h
@@ -0,0 +1,371 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *  PS3 Platfom gelic network driver.
+ *
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * Copyright 2006, 2007 Sony Corporation.
+ *
+ * This file is based on: spider_net.h
+ *
+ * (C) Copyright IBM Corp. 2005
+ *
+ * Authors : Utz Bacher <utz.bacher@de.ibm.com>
+ *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
+ */
+#ifndef _GELIC_NET_H
+#define _GELIC_NET_H
+
+/* descriptors */
+#define GELIC_NET_RX_DESCRIPTORS        128 /* num of descriptors */
+#define GELIC_NET_TX_DESCRIPTORS        128 /* num of descriptors */
+
+#define GELIC_NET_MAX_FRAME             2312
+#define GELIC_NET_MAX_MTU               2294
+#define GELIC_NET_MIN_MTU               64
+#define GELIC_NET_RXBUF_ALIGN           128
+#define GELIC_CARD_RX_CSUM_DEFAULT      1 /* hw chksum */
+#define GELIC_NET_WATCHDOG_TIMEOUT      5*HZ
+#define GELIC_NET_BROADCAST_ADDR        0xffffffffffffL
+
+#define GELIC_NET_MC_COUNT_MAX          32 /* multicast address list */
+
+/* virtual interrupt status register bits */
+	/* INT1 */
+#define GELIC_CARD_TX_RAM_FULL_ERR           0x0000000000000001L
+#define GELIC_CARD_RX_RAM_FULL_ERR           0x0000000000000002L
+#define GELIC_CARD_TX_SHORT_FRAME_ERR        0x0000000000000004L
+#define GELIC_CARD_TX_INVALID_DESCR_ERR      0x0000000000000008L
+#define GELIC_CARD_RX_FIFO_FULL_ERR          0x0000000000002000L
+#define GELIC_CARD_RX_DESCR_CHAIN_END        0x0000000000004000L
+#define GELIC_CARD_RX_INVALID_DESCR_ERR      0x0000000000008000L
+#define GELIC_CARD_TX_RESPONCE_ERR           0x0000000000010000L
+#define GELIC_CARD_RX_RESPONCE_ERR           0x0000000000100000L
+#define GELIC_CARD_TX_PROTECTION_ERR         0x0000000000400000L
+#define GELIC_CARD_RX_PROTECTION_ERR         0x0000000004000000L
+#define GELIC_CARD_TX_TCP_UDP_CHECKSUM_ERR   0x0000000008000000L
+#define GELIC_CARD_PORT_STATUS_CHANGED       0x0000000020000000L
+#define GELIC_CARD_WLAN_EVENT_RECEIVED       0x0000000040000000L
+#define GELIC_CARD_WLAN_COMMAND_COMPLETED    0x0000000080000000L
+	/* INT 0 */
+#define GELIC_CARD_TX_FLAGGED_DESCR          0x0004000000000000L
+#define GELIC_CARD_RX_FLAGGED_DESCR          0x0040000000000000L
+#define GELIC_CARD_TX_TRANSFER_END           0x0080000000000000L
+#define GELIC_CARD_TX_DESCR_CHAIN_END        0x0100000000000000L
+#define GELIC_CARD_NUMBER_OF_RX_FRAME        0x1000000000000000L
+#define GELIC_CARD_ONE_TIME_COUNT_TIMER      0x4000000000000000L
+#define GELIC_CARD_FREE_RUN_COUNT_TIMER      0x8000000000000000L
+
+/* initial interrupt mask */
+#define GELIC_CARD_TXINT	GELIC_CARD_TX_DESCR_CHAIN_END
+
+#define GELIC_CARD_RXINT	(GELIC_CARD_RX_DESCR_CHAIN_END | \
+				 GELIC_CARD_NUMBER_OF_RX_FRAME)
+
+ /* RX descriptor data_status bits */
+enum gelic_descr_rx_status {
+	GELIC_DESCR_RXDMADU	= 0x80000000, /* destination MAC addr unknown */
+	GELIC_DESCR_RXLSTFBF	= 0x40000000, /* last frame buffer            */
+	GELIC_DESCR_RXIPCHK	= 0x20000000, /* IP checksum performed        */
+	GELIC_DESCR_RXTCPCHK	= 0x10000000, /* TCP/UDP checksup performed   */
+	GELIC_DESCR_RXWTPKT	= 0x00C00000, /*
+					       * wakeup trigger packet
+					       * 01: Magic Packet (TM)
+					       * 10: ARP packet
+					       * 11: Multicast MAC addr
+					       */
+	GELIC_DESCR_RXVLNPKT	= 0x00200000, /* VLAN packet */
+	/* bit 20..16 reserved */
+	GELIC_DESCR_RXRRECNUM	= 0x0000ff00, /* reception receipt number */
+	/* bit 7..0 reserved */
+};
+
+#define GELIC_DESCR_DATA_STATUS_CHK_MASK	\
+	(GELIC_DESCR_RXIPCHK | GELIC_DESCR_RXTCPCHK)
+
+ /* TX descriptor data_status bits */
+enum gelic_descr_tx_status {
+	GELIC_DESCR_TX_TAIL	= 0x00000001, /* gelic treated this
+					       * descriptor was end of
+					       * a tx frame
+					       */
+};
+
+/* RX descriptor data error bits */
+enum gelic_descr_rx_error {
+	/* bit 31 reserved */
+	GELIC_DESCR_RXALNERR	= 0x40000000, /* alignement error 10/100M */
+	GELIC_DESCR_RXOVERERR	= 0x20000000, /* oversize error */
+	GELIC_DESCR_RXRNTERR	= 0x10000000, /* Runt error */
+	GELIC_DESCR_RXIPCHKERR	= 0x08000000, /* IP checksum  error */
+	GELIC_DESCR_RXTCPCHKERR	= 0x04000000, /* TCP/UDP checksum  error */
+	GELIC_DESCR_RXDRPPKT	= 0x00100000, /* drop packet */
+	GELIC_DESCR_RXIPFMTERR	= 0x00080000, /* IP packet format error */
+	/* bit 18 reserved */
+	GELIC_DESCR_RXDATAERR	= 0x00020000, /* IP packet format error */
+	GELIC_DESCR_RXCALERR	= 0x00010000, /* cariier extension length
+					      * error */
+	GELIC_DESCR_RXCREXERR	= 0x00008000, /* carrier extension error */
+	GELIC_DESCR_RXMLTCST	= 0x00004000, /* multicast address frame */
+	/* bit 13..0 reserved */
+};
+#define GELIC_DESCR_DATA_ERROR_CHK_MASK		\
+	(GELIC_DESCR_RXIPCHKERR | GELIC_DESCR_RXTCPCHKERR)
+
+/* DMA command and status (RX and TX)*/
+enum gelic_descr_dma_status {
+	GELIC_DESCR_DMA_COMPLETE            = 0x00000000, /* used in tx */
+	GELIC_DESCR_DMA_BUFFER_FULL         = 0x00000000, /* used in rx */
+	GELIC_DESCR_DMA_RESPONSE_ERROR      = 0x10000000, /* used in rx, tx */
+	GELIC_DESCR_DMA_PROTECTION_ERROR    = 0x20000000, /* used in rx, tx */
+	GELIC_DESCR_DMA_FRAME_END           = 0x40000000, /* used in rx */
+	GELIC_DESCR_DMA_FORCE_END           = 0x50000000, /* used in rx, tx */
+	GELIC_DESCR_DMA_CARDOWNED           = 0xa0000000, /* used in rx, tx */
+	GELIC_DESCR_DMA_NOT_IN_USE          = 0xb0000000, /* any other value */
+};
+
+#define GELIC_DESCR_DMA_STAT_MASK	(0xf0000000)
+
+/* tx descriptor command and status */
+enum gelic_descr_tx_dma_status {
+	/* [19] */
+	GELIC_DESCR_TX_DMA_IKE		= 0x00080000, /* IPSEC off */
+	/* [18] */
+	GELIC_DESCR_TX_DMA_FRAME_TAIL	= 0x00040000, /* last descriptor of
+						       * the packet
+						       */
+	/* [17..16] */
+	GELIC_DESCR_TX_DMA_TCP_CHKSUM	= 0x00020000, /* TCP packet */
+	GELIC_DESCR_TX_DMA_UDP_CHKSUM	= 0x00030000, /* UDP packet */
+	GELIC_DESCR_TX_DMA_NO_CHKSUM	= 0x00000000, /* no checksum */
+
+	/* [1] */
+	GELIC_DESCR_TX_DMA_CHAIN_END	= 0x00000002, /* DMA terminated
+						       * due to chain end
+						       */
+};
+
+#define GELIC_DESCR_DMA_CMD_NO_CHKSUM	\
+	(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \
+	GELIC_DESCR_TX_DMA_NO_CHKSUM)
+
+#define GELIC_DESCR_DMA_CMD_TCP_CHKSUM	\
+	(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \
+	GELIC_DESCR_TX_DMA_TCP_CHKSUM)
+
+#define GELIC_DESCR_DMA_CMD_UDP_CHKSUM	\
+	(GELIC_DESCR_DMA_CARDOWNED | GELIC_DESCR_TX_DMA_IKE | \
+	GELIC_DESCR_TX_DMA_UDP_CHKSUM)
+
+enum gelic_descr_rx_dma_status {
+	/* [ 1 ] */
+	GELIC_DESCR_RX_DMA_CHAIN_END	= 0x00000002, /* DMA terminated
+						       * due to chain end
+						       */
+};
+
+/* for lv1_net_control */
+enum gelic_lv1_net_control_code {
+	GELIC_LV1_GET_MAC_ADDRESS	= 1,
+	GELIC_LV1_GET_ETH_PORT_STATUS	= 2,
+	GELIC_LV1_SET_NEGOTIATION_MODE	= 3,
+	GELIC_LV1_GET_VLAN_ID		= 4,
+	GELIC_LV1_SET_WOL		= 5,
+	GELIC_LV1_GET_CHANNEL           = 6,
+	GELIC_LV1_POST_WLAN_CMD		= 9,
+	GELIC_LV1_GET_WLAN_CMD_RESULT	= 10,
+	GELIC_LV1_GET_WLAN_EVENT	= 11,
+};
+
+/* for GELIC_LV1_SET_WOL */
+enum gelic_lv1_wol_command {
+	GELIC_LV1_WOL_MAGIC_PACKET	= 1,
+	GELIC_LV1_WOL_ADD_MATCH_ADDR	= 6,
+	GELIC_LV1_WOL_DELETE_MATCH_ADDR	= 7,
+};
+
+/* for GELIC_LV1_WOL_MAGIC_PACKET */
+enum gelic_lv1_wol_mp_arg {
+	GELIC_LV1_WOL_MP_DISABLE	= 0,
+	GELIC_LV1_WOL_MP_ENABLE		= 1,
+};
+
+/* for GELIC_LV1_WOL_{ADD,DELETE}_MATCH_ADDR */
+enum gelic_lv1_wol_match_arg {
+	GELIC_LV1_WOL_MATCH_INDIVIDUAL	= 0,
+	GELIC_LV1_WOL_MATCH_ALL		= 1,
+};
+
+/* status returened from GET_ETH_PORT_STATUS */
+enum gelic_lv1_ether_port_status {
+	GELIC_LV1_ETHER_LINK_UP		= 0x0000000000000001L,
+	GELIC_LV1_ETHER_FULL_DUPLEX	= 0x0000000000000002L,
+	GELIC_LV1_ETHER_AUTO_NEG	= 0x0000000000000004L,
+
+	GELIC_LV1_ETHER_SPEED_10	= 0x0000000000000010L,
+	GELIC_LV1_ETHER_SPEED_100	= 0x0000000000000020L,
+	GELIC_LV1_ETHER_SPEED_1000	= 0x0000000000000040L,
+	GELIC_LV1_ETHER_SPEED_MASK	= 0x0000000000000070L,
+};
+
+enum gelic_lv1_vlan_index {
+	/* for outgoing packets */
+	GELIC_LV1_VLAN_TX_ETHERNET_0	= 0x0000000000000002L,
+	GELIC_LV1_VLAN_TX_WIRELESS	= 0x0000000000000003L,
+
+	/* for incoming packets */
+	GELIC_LV1_VLAN_RX_ETHERNET_0	= 0x0000000000000012L,
+	GELIC_LV1_VLAN_RX_WIRELESS	= 0x0000000000000013L,
+};
+
+enum gelic_lv1_phy {
+	GELIC_LV1_PHY_ETHERNET_0	= 0x0000000000000002L,
+};
+
+/* size of hardware part of gelic descriptor */
+#define GELIC_DESCR_SIZE	(32)
+
+enum gelic_port_type {
+	GELIC_PORT_ETHERNET_0	= 0,
+	GELIC_PORT_WIRELESS	= 1,
+	GELIC_PORT_MAX
+};
+
+struct gelic_descr {
+	/* as defined by the hardware */
+	__be32 buf_addr;
+	__be32 buf_size;
+	__be32 next_descr_addr;
+	__be32 dmac_cmd_status;
+	__be32 result_size;
+	__be32 valid_size;	/* all zeroes for tx */
+	__be32 data_status;
+	__be32 data_error;	/* all zeroes for tx */
+
+	/* used in the driver */
+	struct sk_buff *skb;
+	dma_addr_t bus_addr;
+	struct gelic_descr *next;
+	struct gelic_descr *prev;
+} __attribute__((aligned(32)));
+
+struct gelic_descr_chain {
+	/* we walk from tail to head */
+	struct gelic_descr *head;
+	struct gelic_descr *tail;
+};
+
+struct gelic_vlan_id {
+	u16 tx;
+	u16 rx;
+};
+
+struct gelic_card {
+	struct napi_struct napi;
+	struct net_device *netdev[GELIC_PORT_MAX];
+	/*
+	 * hypervisor requires irq_status should be
+	 * 8 bytes aligned, but u64 member is
+	 * always disposed in that manner
+	 */
+	u64 irq_status;
+	u64 irq_mask;
+
+	struct ps3_system_bus_device *dev;
+	struct gelic_vlan_id vlan[GELIC_PORT_MAX];
+	int vlan_required;
+
+	struct gelic_descr_chain tx_chain;
+	struct gelic_descr_chain rx_chain;
+	/*
+	 * tx_lock guards tx descriptor list and
+	 * tx_dma_progress.
+	 */
+	spinlock_t tx_lock;
+	int tx_dma_progress;
+
+	struct work_struct tx_timeout_task;
+	atomic_t tx_timeout_task_counter;
+	wait_queue_head_t waitq;
+
+	/* only first user should up the card */
+	struct mutex updown_lock;
+	atomic_t users;
+
+	u64 ether_port_status;
+	int link_mode;
+
+	/* original address returned by kzalloc */
+	void *unalign;
+
+	/*
+	 * each netdevice has copy of irq
+	 */
+	unsigned int irq;
+	struct gelic_descr *tx_top, *rx_top;
+	struct gelic_descr descr[]; /* must be the last */
+};
+
+struct gelic_port {
+	struct gelic_card *card;
+	struct net_device *netdev;
+	enum gelic_port_type type;
+	long priv[]; /* long for alignment */
+};
+
+static inline struct gelic_card *port_to_card(struct gelic_port *p)
+{
+	return p->card;
+}
+static inline struct net_device *port_to_netdev(struct gelic_port *p)
+{
+	return p->netdev;
+}
+static inline struct gelic_card *netdev_card(struct net_device *d)
+{
+	return ((struct gelic_port *)netdev_priv(d))->card;
+}
+static inline struct gelic_port *netdev_port(struct net_device *d)
+{
+	return (struct gelic_port *)netdev_priv(d);
+}
+static inline struct device *ctodev(struct gelic_card *card)
+{
+	return &card->dev->core;
+}
+static inline u64 bus_id(struct gelic_card *card)
+{
+	return card->dev->bus_id;
+}
+static inline u64 dev_id(struct gelic_card *card)
+{
+	return card->dev->dev_id;
+}
+
+static inline void *port_priv(struct gelic_port *port)
+{
+	return port->priv;
+}
+
+#ifdef CONFIG_PPC_EARLY_DEBUG_PS3GELIC
+void udbg_shutdown_ps3gelic(void);
+#else
+static inline void udbg_shutdown_ps3gelic(void) {}
+#endif
+
+int gelic_card_set_irq_mask(struct gelic_card *card, u64 mask);
+/* shared netdev ops */
+void gelic_card_up(struct gelic_card *card);
+void gelic_card_down(struct gelic_card *card);
+int gelic_net_open(struct net_device *netdev);
+int gelic_net_stop(struct net_device *netdev);
+netdev_tx_t gelic_net_xmit(struct sk_buff *skb, struct net_device *netdev);
+void gelic_net_set_multi(struct net_device *netdev);
+void gelic_net_tx_timeout(struct net_device *netdev, unsigned int txqueue);
+int gelic_net_setup_netdev(struct net_device *netdev, struct gelic_card *card);
+
+/* shared ethtool ops */
+void gelic_net_get_drvinfo(struct net_device *netdev,
+			   struct ethtool_drvinfo *info);
+void gelic_net_poll_controller(struct net_device *netdev);
+
+#endif /* _GELIC_NET_H */