Adding upstream version 6.1.76.upstream/6.1.76upstream

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

1 files changed, 422 insertions, 0 deletions

diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
new file mode 100644
index 000000000..03777145e
--- /dev/null
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
@@ -0,0 +1,422 @@
+/*
+ * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
+ * driver for Linux.
+ *
+ * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __T4VF_COMMON_H__
+#define __T4VF_COMMON_H__
+
+#include "../cxgb4/t4_hw.h"
+#include "../cxgb4/t4fw_api.h"
+
+#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
+#define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
+#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
+
+/* All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where:
+ *
+ *   V  = "4" for T4; "5" for T5, etc. or
+ *      = "a" for T4 FPGA; "b" for T4 FPGA, etc.
+ *   F  = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs
+ *   PP = adapter product designation
+ */
+#define CHELSIO_T4		0x4
+#define CHELSIO_T5		0x5
+#define CHELSIO_T6		0x6
+
+enum chip_type {
+	T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
+	T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
+	T4_FIRST_REV	= T4_A1,
+	T4_LAST_REV	= T4_A2,
+
+	T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
+	T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
+	T5_FIRST_REV	= T5_A0,
+	T5_LAST_REV	= T5_A1,
+};
+
+/*
+ * The "len16" field of a Firmware Command Structure ...
+ */
+#define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
+
+/*
+ * Per-VF statistics.
+ */
+struct t4vf_port_stats {
+	/*
+	 * TX statistics.
+	 */
+	u64 tx_bcast_bytes;		/* broadcast */
+	u64 tx_bcast_frames;
+	u64 tx_mcast_bytes;		/* multicast */
+	u64 tx_mcast_frames;
+	u64 tx_ucast_bytes;		/* unicast */
+	u64 tx_ucast_frames;
+	u64 tx_drop_frames;		/* TX dropped frames */
+	u64 tx_offload_bytes;		/* offload */
+	u64 tx_offload_frames;
+
+	/*
+	 * RX statistics.
+	 */
+	u64 rx_bcast_bytes;		/* broadcast */
+	u64 rx_bcast_frames;
+	u64 rx_mcast_bytes;		/* multicast */
+	u64 rx_mcast_frames;
+	u64 rx_ucast_bytes;
+	u64 rx_ucast_frames;		/* unicast */
+
+	u64 rx_err_frames;		/* RX error frames */
+};
+
+/*
+ * Per-"port" (Virtual Interface) link configuration ...
+ */
+typedef u16 fw_port_cap16_t;    /* 16-bit Port Capabilities integral value */
+typedef u32 fw_port_cap32_t;    /* 32-bit Port Capabilities integral value */
+
+enum fw_caps {
+	FW_CAPS_UNKNOWN	= 0,	/* 0'ed out initial state */
+	FW_CAPS16	= 1,	/* old Firmware: 16-bit Port Capabilities */
+	FW_CAPS32	= 2,	/* new Firmware: 32-bit Port Capabilities */
+};
+
+enum cc_pause {
+	PAUSE_RX	= 1 << 0,
+	PAUSE_TX	= 1 << 1,
+	PAUSE_AUTONEG	= 1 << 2
+};
+
+enum cc_fec {
+	FEC_AUTO	= 1 << 0,	/* IEEE 802.3 "automatic" */
+	FEC_RS		= 1 << 1,	/* Reed-Solomon */
+	FEC_BASER_RS	= 1 << 2,	/* BaseR/Reed-Solomon */
+};
+
+struct link_config {
+	fw_port_cap32_t pcaps;		/* link capabilities */
+	fw_port_cap32_t	acaps;		/* advertised capabilities */
+	fw_port_cap32_t	lpacaps;	/* peer advertised capabilities */
+
+	fw_port_cap32_t	speed_caps;	/* speed(s) user has requested */
+	u32		speed;		/* actual link speed */
+
+	enum cc_pause	requested_fc;	/* flow control user has requested */
+	enum cc_pause	fc;		/* actual link flow control */
+	enum cc_pause   advertised_fc;  /* actual advertised flow control */
+
+	enum cc_fec	auto_fec;	/* Forward Error Correction: */
+	enum cc_fec	requested_fec;	/*   "automatic" (IEEE 802.3), */
+	enum cc_fec	fec;		/*   requested, and actual in use */
+
+	unsigned char	autoneg;	/* autonegotiating? */
+
+	unsigned char	link_ok;	/* link up? */
+	unsigned char	link_down_rc;	/* link down reason */
+};
+
+/* Return true if the Link Configuration supports "High Speeds" (those greater
+ * than 1Gb/s).
+ */
+static inline bool is_x_10g_port(const struct link_config *lc)
+{
+	fw_port_cap32_t speeds, high_speeds;
+
+	speeds = FW_PORT_CAP32_SPEED_V(FW_PORT_CAP32_SPEED_G(lc->pcaps));
+	high_speeds =
+		speeds & ~(FW_PORT_CAP32_SPEED_100M | FW_PORT_CAP32_SPEED_1G);
+
+	return high_speeds != 0;
+}
+
+/*
+ * General device parameters ...
+ */
+struct dev_params {
+	u32 fwrev;			/* firmware version */
+	u32 tprev;			/* TP Microcode Version */
+};
+
+/*
+ * Scatter Gather Engine parameters.  These are almost all determined by the
+ * Physical Function Driver.  We just need to grab them to see within which
+ * environment we're playing ...
+ */
+struct sge_params {
+	u32 sge_control;		/* padding, boundaries, lengths, etc. */
+	u32 sge_control2;		/* T5: more of the same */
+	u32 sge_host_page_size;		/* PF0-7 page sizes */
+	u32 sge_egress_queues_per_page;	/* PF0-7 egress queues/page */
+	u32 sge_ingress_queues_per_page;/* PF0-7 ingress queues/page */
+	u32 sge_vf_hps;                 /* host page size for our vf */
+	u32 sge_vf_eq_qpp;		/* egress queues/page for our VF */
+	u32 sge_vf_iq_qpp;		/* ingress queues/page for our VF */
+	u32 sge_fl_buffer_size[16];	/* free list buffer sizes */
+	u32 sge_ingress_rx_threshold;	/* RX counter interrupt threshold[4] */
+	u32 sge_congestion_control;     /* congestion thresholds, etc. */
+	u32 sge_timer_value_0_and_1;	/* interrupt coalescing timer values */
+	u32 sge_timer_value_2_and_3;
+	u32 sge_timer_value_4_and_5;
+};
+
+/*
+ * Vital Product Data parameters.
+ */
+struct vpd_params {
+	u32 cclk;			/* Core Clock (KHz) */
+};
+
+/* Stores chip specific parameters */
+struct arch_specific_params {
+	u32 sge_fl_db;
+	u16 mps_tcam_size;
+};
+
+/*
+ * Global Receive Side Scaling (RSS) parameters in host-native format.
+ */
+struct rss_params {
+	unsigned int mode;		/* RSS mode */
+	union {
+	    struct {
+		unsigned int synmapen:1;	/* SYN Map Enable */
+		unsigned int syn4tupenipv6:1;	/* enable hashing 4-tuple IPv6 SYNs */
+		unsigned int syn2tupenipv6:1;	/* enable hashing 2-tuple IPv6 SYNs */
+		unsigned int syn4tupenipv4:1;	/* enable hashing 4-tuple IPv4 SYNs */
+		unsigned int syn2tupenipv4:1;	/* enable hashing 2-tuple IPv4 SYNs */
+		unsigned int ofdmapen:1;	/* Offload Map Enable */
+		unsigned int tnlmapen:1;	/* Tunnel Map Enable */
+		unsigned int tnlalllookup:1;	/* Tunnel All Lookup */
+		unsigned int hashtoeplitz:1;	/* use Toeplitz hash */
+	    } basicvirtual;
+	} u;
+};
+
+/*
+ * Virtual Interface RSS Configuration in host-native format.
+ */
+union rss_vi_config {
+    struct {
+	u16 defaultq;			/* Ingress Queue ID for !tnlalllookup */
+	unsigned int ip6fourtupen:1;	/* hash 4-tuple IPv6 ingress packets */
+	unsigned int ip6twotupen:1;	/* hash 2-tuple IPv6 ingress packets */
+	unsigned int ip4fourtupen:1;	/* hash 4-tuple IPv4 ingress packets */
+	unsigned int ip4twotupen:1;	/* hash 2-tuple IPv4 ingress packets */
+	int udpen;			/* hash 4-tuple UDP ingress packets */
+    } basicvirtual;
+};
+
+/*
+ * Maximum resources provisioned for a PCI VF.
+ */
+struct vf_resources {
+	unsigned int nvi;		/* N virtual interfaces */
+	unsigned int neq;		/* N egress Qs */
+	unsigned int nethctrl;		/* N egress ETH or CTRL Qs */
+	unsigned int niqflint;		/* N ingress Qs/w free list(s) & intr */
+	unsigned int niq;		/* N ingress Qs */
+	unsigned int tc;		/* PCI-E traffic class */
+	unsigned int pmask;		/* port access rights mask */
+	unsigned int nexactf;		/* N exact MPS filters */
+	unsigned int r_caps;		/* read capabilities */
+	unsigned int wx_caps;		/* write/execute capabilities */
+};
+
+/*
+ * Per-"adapter" (Virtual Function) parameters.
+ */
+struct adapter_params {
+	struct dev_params dev;		/* general device parameters */
+	struct sge_params sge;		/* Scatter Gather Engine */
+	struct vpd_params vpd;		/* Vital Product Data */
+	struct rss_params rss;		/* Receive Side Scaling */
+	struct vf_resources vfres;	/* Virtual Function Resource limits */
+	struct arch_specific_params arch; /* chip specific params */
+	enum chip_type chip;		/* chip code */
+	u8 nports;			/* # of Ethernet "ports" */
+	u8 fw_caps_support;		/* 32-bit Port Capabilities */
+};
+
+/* Firmware Mailbox Command/Reply log.  All values are in Host-Endian format.
+ * The access and execute times are signed in order to accommodate negative
+ * error returns.
+ */
+struct mbox_cmd {
+	u64 cmd[MBOX_LEN / 8];		/* a Firmware Mailbox Command/Reply */
+	u64 timestamp;			/* OS-dependent timestamp */
+	u32 seqno;			/* sequence number */
+	s16 access;			/* time (ms) to access mailbox */
+	s16 execute;			/* time (ms) to execute */
+};
+
+struct mbox_cmd_log {
+	unsigned int size;		/* number of entries in the log */
+	unsigned int cursor;		/* next position in the log to write */
+	u32 seqno;			/* next sequence number */
+	/* variable length mailbox command log starts here */
+};
+
+/* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
+ * return a pointer to the specified entry.
+ */
+static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
+						  unsigned int entry_idx)
+{
+	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
+}
+
+#include "adapter.h"
+
+#ifndef PCI_VENDOR_ID_CHELSIO
+# define PCI_VENDOR_ID_CHELSIO 0x1425
+#endif
+
+#define for_each_port(adapter, iter) \
+	for (iter = 0; iter < (adapter)->params.nports; iter++)
+
+static inline unsigned int core_ticks_per_usec(const struct adapter *adapter)
+{
+	return adapter->params.vpd.cclk / 1000;
+}
+
+static inline unsigned int us_to_core_ticks(const struct adapter *adapter,
+					    unsigned int us)
+{
+	return (us * adapter->params.vpd.cclk) / 1000;
+}
+
+static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
+					    unsigned int ticks)
+{
+	return (ticks * 1000) / adapter->params.vpd.cclk;
+}
+
+int t4vf_wr_mbox_core(struct adapter *, const void *, int, void *, bool);
+
+static inline int t4vf_wr_mbox(struct adapter *adapter, const void *cmd,
+			       int size, void *rpl)
+{
+	return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true);
+}
+
+static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd,
+				  int size, void *rpl)
+{
+	return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false);
+}
+
+#define CHELSIO_PCI_ID_VER(dev_id)  ((dev_id) >> 12)
+
+static inline int is_t4(enum chip_type chip)
+{
+	return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4;
+}
+
+/**
+ *	hash_mac_addr - return the hash value of a MAC address
+ *	@addr: the 48-bit Ethernet MAC address
+ *
+ *	Hashes a MAC address according to the hash function used by hardware
+ *	inexact (hash) address matching.
+ */
+static inline int hash_mac_addr(const u8 *addr)
+{
+	u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
+	u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
+
+	a ^= b;
+	a ^= (a >> 12);
+	a ^= (a >> 6);
+	return a & 0x3f;
+}
+
+int t4vf_wait_dev_ready(struct adapter *);
+int t4vf_port_init(struct adapter *, int);
+
+int t4vf_fw_reset(struct adapter *);
+int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *);
+
+int t4vf_fl_pkt_align(struct adapter *adapter);
+enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
+int t4vf_bar2_sge_qregs(struct adapter *adapter,
+			unsigned int qid,
+			enum t4_bar2_qtype qtype,
+			u64 *pbar2_qoffset,
+			unsigned int *pbar2_qid);
+
+unsigned int t4vf_get_pf_from_vf(struct adapter *);
+int t4vf_get_sge_params(struct adapter *);
+int t4vf_get_vpd_params(struct adapter *);
+int t4vf_get_dev_params(struct adapter *);
+int t4vf_get_rss_glb_config(struct adapter *);
+int t4vf_get_vfres(struct adapter *);
+
+int t4vf_read_rss_vi_config(struct adapter *, unsigned int,
+			    union rss_vi_config *);
+int t4vf_write_rss_vi_config(struct adapter *, unsigned int,
+			     union rss_vi_config *);
+int t4vf_config_rss_range(struct adapter *, unsigned int, int, int,
+			  const u16 *, int);
+
+int t4vf_alloc_vi(struct adapter *, int);
+int t4vf_free_vi(struct adapter *, int);
+int t4vf_enable_vi(struct adapter *adapter, unsigned int viid, bool rx_en,
+		   bool tx_en);
+int t4vf_enable_pi(struct adapter *adapter, struct port_info *pi, bool rx_en,
+		   bool tx_en);
+int t4vf_identify_port(struct adapter *, unsigned int, unsigned int);
+
+int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int,
+		    bool);
+int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int,
+			const u8 **, u16 *, u64 *, bool);
+int t4vf_free_mac_filt(struct adapter *, unsigned int, unsigned int naddr,
+		       const u8 **, bool);
+int t4vf_change_mac(struct adapter *, unsigned int, int, const u8 *, bool);
+int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool);
+int t4vf_get_port_stats(struct adapter *, int, struct t4vf_port_stats *);
+
+int t4vf_iq_free(struct adapter *, unsigned int, unsigned int, unsigned int,
+		 unsigned int);
+int t4vf_eth_eq_free(struct adapter *, unsigned int);
+
+int t4vf_update_port_info(struct port_info *pi);
+int t4vf_handle_fw_rpl(struct adapter *, const __be64 *);
+int t4vf_prep_adapter(struct adapter *);
+int t4vf_get_vf_mac_acl(struct adapter *adapter, unsigned int port,
+			unsigned int *naddr, u8 *addr);
+int t4vf_get_vf_vlan_acl(struct adapter *adapter);
+
+#endif /* __T4VF_COMMON_H__ */