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Message-Id: <20061117202531.25940.99474.stgit@colfax2.asicdesigners.com>
Date: Fri, 17 Nov 2006 12:25:31 -0800
From: "Divy Le Ray <divy@...lsio.com>" <divy@...lsio.com>
To: jeff@...zik.org
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 7/10] cxgb3 - offload header files
From: Divy Le Ray <divy@...lsio.com>
This patch implements the offload operations header files
for the Chelsio T3 network adapter's driver.
Signed-off-by: Divy Le Ray <divy@...lsio.com>
---
drivers/net/cxgb3/cxgb3_ctl_defs.h | 141 ++++
drivers/net/cxgb3/cxgb3_defs.h | 100 +++
drivers/net/cxgb3/cxgb3_offload.h | 199 +++++
drivers/net/cxgb3/l2t.h | 144 ++++
drivers/net/cxgb3/t3_cpl.h | 1431 ++++++++++++++++++++++++++++++++++++
drivers/net/cxgb3/t3cdev.h | 72 ++
6 files changed, 2087 insertions(+), 0 deletions(-)
diff --git a/drivers/net/cxgb3/cxgb3_ctl_defs.h b/drivers/net/cxgb3/cxgb3_ctl_defs.h
new file mode 100644
index 0000000..be7ac6d
--- /dev/null
+++ b/drivers/net/cxgb3/cxgb3_ctl_defs.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2003-2006 Chelsio Communications. All rights reserved.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
+ * release for licensing terms and conditions.
+ */
+
+#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
+#define _CXGB3_OFFLOAD_CTL_DEFS_H
+
+enum {
+ GET_MAX_OUTSTANDING_WR,
+ GET_TX_MAX_CHUNK,
+ GET_TID_RANGE,
+ GET_STID_RANGE,
+ GET_RTBL_RANGE,
+ GET_L2T_CAPACITY,
+ GET_MTUS,
+ GET_WR_LEN,
+ GET_IFF_FROM_MAC,
+ GET_DDP_PARAMS,
+ GET_PORTS,
+
+ ULP_ISCSI_GET_PARAMS,
+ ULP_ISCSI_SET_PARAMS,
+
+ RDMA_GET_PARAMS,
+ RDMA_CQ_OP,
+ RDMA_CQ_SETUP,
+ RDMA_CQ_DISABLE,
+ RDMA_CTRL_QP_SETUP,
+ RDMA_GET_MEM,
+};
+
+/*
+ * Structure used to describe a TID range. Valid TIDs are [base, base+num).
+ */
+struct tid_range {
+ unsigned int base; /* first TID */
+ unsigned int num; /* number of TIDs in range */
+};
+
+/*
+ * Structure used to request the size and contents of the MTU table.
+ */
+struct mtutab {
+ unsigned int size; /* # of entries in the MTU table */
+ const unsigned short *mtus; /* the MTU table values */
+};
+
+struct net_device;
+
+/*
+ * Structure used to request the adapter net_device owning a given MAC address.
+ */
+struct iff_mac {
+ struct net_device *dev; /* the net_device */
+ const unsigned char *mac_addr; /* MAC address to lookup */
+ u16 vlan_tag;
+};
+
+/*
+ * Structure used to request the TCP DDP parameters.
+ */
+struct ddp_params {
+ unsigned int llimit; /* TDDP region start address */
+ unsigned int ulimit; /* TDDP region end address */
+ unsigned int tag_mask; /* TDDP tag mask */
+};
+
+struct adap_ports {
+ unsigned int nports; /* number of ports on this adapter */
+ struct net_device *lldevs[2];
+};
+
+struct pci_dev;
+
+/*
+ * Structure used to return information to the iscsi layer.
+ */
+struct ulp_iscsi_info {
+ unsigned int offset;
+ unsigned int llimit;
+ unsigned int ulimit;
+ unsigned int tagmask;
+ unsigned int pgsz3;
+ unsigned int pgsz2;
+ unsigned int pgsz1;
+ unsigned int pgsz0;
+ unsigned int max_rxsz;
+ unsigned int max_txsz;
+ struct pci_dev *pdev;
+};
+
+/*
+ * Structure used to return information to the RDMA layer.
+ */
+struct rdma_info {
+ unsigned int tpt_base; /* TPT base address */
+ unsigned int tpt_top; /* TPT last entry address */
+ unsigned int pbl_base; /* PBL base address */
+ unsigned int pbl_top; /* PBL last entry address */
+ unsigned int rqt_base; /* RQT base address */
+ unsigned int rqt_top; /* RQT last entry address */
+ unsigned int udbell_len; /* user doorbell region length */
+ unsigned long udbell_physbase; /* user doorbell physical start addr */
+ void __iomem *kdb_addr; /* kernel doorbell register address */
+ struct pci_dev *pdev; /* associated PCI device */
+};
+
+/*
+ * Structure used to request an operation on an RDMA completion queue.
+ */
+struct rdma_cq_op {
+ unsigned int id;
+ unsigned int op;
+ unsigned int credits;
+};
+
+/*
+ * Structure used to setup RDMA completion queues.
+ */
+struct rdma_cq_setup {
+ unsigned int id;
+ unsigned long long base_addr;
+ unsigned int size;
+ unsigned int credits;
+ unsigned int credit_thres;
+ unsigned int ovfl_mode;
+};
+
+/*
+ * Structure used to setup the RDMA control egress context.
+ */
+struct rdma_ctrlqp_setup {
+ unsigned long long base_addr;
+ unsigned int size;
+};
+#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
diff --git a/drivers/net/cxgb3/cxgb3_defs.h b/drivers/net/cxgb3/cxgb3_defs.h
new file mode 100644
index 0000000..ddaba3f
--- /dev/null
+++ b/drivers/net/cxgb3/cxgb3_defs.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
+ * Copyright (c) 2006 Open Grid Computing, 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 _CHELSIO_DEFS_H
+#define _CHELSIO_DEFS_H
+
+#include <linux/skbuff.h>
+#include <net/tcp.h>
+
+#include "t3cdev.h"
+
+#include "cxgb3_offload.h"
+
+#define VALIDATE_TID 1
+
+void *cxgb_alloc_mem(unsigned long size);
+void cxgb_free_mem(void *addr);
+void cxgb_neigh_update(struct neighbour *neigh);
+void cxgb_redirect(struct dst_entry *old, struct dst_entry *new);
+
+/*
+ * Map an ATID or STID to their entries in the corresponding TID tables.
+ */
+static inline union active_open_entry *atid2entry(const struct tid_info *t,
+ unsigned int atid)
+{
+ return &t->atid_tab[atid - t->atid_base];
+}
+
+
+static inline union listen_entry *stid2entry(const struct tid_info *t,
+ unsigned int stid)
+{
+ return &t->stid_tab[stid - t->stid_base];
+}
+
+/*
+ * Find the connection corresponding to a TID.
+ */
+static inline struct t3c_tid_entry *lookup_tid(const struct tid_info *t,
+ unsigned int tid)
+{
+ return tid < t->ntids ? &(t->tid_tab[tid]) : NULL;
+}
+
+/*
+ * Find the connection corresponding to a server TID.
+ */
+static inline struct t3c_tid_entry *lookup_stid(const struct tid_info *t,
+ unsigned int tid)
+{
+ if (tid < t->stid_base || tid >= t->stid_base + t->nstids)
+ return NULL;
+ return &(stid2entry(t, tid)->t3c_tid);
+}
+
+/*
+ * Find the connection corresponding to an active-open TID.
+ */
+static inline struct t3c_tid_entry *lookup_atid(const struct tid_info *t,
+ unsigned int tid)
+{
+ if (tid < t->atid_base || tid >= t->atid_base + t->natids)
+ return NULL;
+ return &(atid2entry(t, tid)->t3c_tid);
+}
+
+int process_rx(struct t3cdev *dev, struct sk_buff **skbs, int n);
+int attach_t3cdev(struct t3cdev *dev);
+void detach_t3cdev(struct t3cdev *dev);
+#endif
diff --git a/drivers/net/cxgb3/cxgb3_offload.h b/drivers/net/cxgb3/cxgb3_offload.h
new file mode 100644
index 0000000..9e9ed17
--- /dev/null
+++ b/drivers/net/cxgb3/cxgb3_offload.h
@@ -0,0 +1,199 @@
+/*
+ * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
+ * Copyright (c) 2006 Open Grid Computing, 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 _CXGB3_OFFLOAD_H
+#define _CXGB3_OFFLOAD_H
+
+#include <linux/list.h>
+#include <linux/skbuff.h>
+
+#include "l2t.h"
+
+#include "t3cdev.h"
+#include "t3_cpl.h"
+
+struct adapter;
+
+void cxgb3_offload_init(void);
+
+void cxgb3_adapter_ofld(struct adapter *adapter);
+void cxgb3_adapter_unofld(struct adapter *adapter);
+int cxgb3_offload_activate(struct adapter *adapter);
+void cxgb3_offload_deactivate(struct adapter *adapter);
+
+void cxgb3_set_dummy_ops(struct t3cdev *dev);
+
+
+/*
+ * Client registration. Users of T3 driver must register themselves.
+ * The T3 driver will call the add function of every client for each T3
+ * adapter activated, passing up the t3cdev ptr. Each client fills out an
+ * array of callback functions to process CPL messages.
+ */
+
+void cxgb3_register_client(struct cxgb3_client *client);
+void cxgb3_unregister_client(struct cxgb3_client *client);
+void cxgb3_add_clients(struct t3cdev *tdev);
+void cxgb3_remove_clients(struct t3cdev *tdev);
+
+typedef int (*cxgb3_cpl_handler_func)(struct t3cdev *dev,
+ struct sk_buff *skb, void *ctx);
+
+struct cxgb3_client {
+ char *name;
+ void (*add) (struct t3cdev *);
+ void (*remove) (struct t3cdev *);
+ cxgb3_cpl_handler_func *handlers;
+ int (*redirect)(void *ctx, struct dst_entry *old,
+ struct dst_entry *new,
+ struct l2t_entry *l2t);
+ struct list_head client_list;
+};
+
+/*
+ * TID allocation services.
+ */
+int cxgb3_alloc_atid(struct t3cdev *dev, struct cxgb3_client *client,
+ void *ctx);
+int cxgb3_alloc_stid(struct t3cdev *dev, struct cxgb3_client *client,
+ void *ctx);
+void *cxgb3_free_atid(struct t3cdev *dev, int atid);
+void cxgb3_free_stid(struct t3cdev *dev, int stid);
+void cxgb3_insert_tid(struct t3cdev *dev, struct cxgb3_client *client,
+ void *ctx,
+ unsigned int tid);
+void cxgb3_queue_tid_release(struct t3cdev *dev, unsigned int tid);
+void cxgb3_remove_tid(struct t3cdev *dev, void *ctx, unsigned int tid);
+
+struct t3c_tid_entry {
+ struct cxgb3_client *client;
+ void *ctx;
+};
+
+/* CPL message priority levels */
+enum {
+ CPL_PRIORITY_DATA = 0, /* data messages */
+ CPL_PRIORITY_SETUP = 1, /* connection setup messages */
+ CPL_PRIORITY_TEARDOWN = 0, /* connection teardown messages */
+ CPL_PRIORITY_LISTEN = 1, /* listen start/stop messages */
+ CPL_PRIORITY_ACK = 1, /* RX ACK messages */
+ CPL_PRIORITY_CONTROL = 1 /* offload control messages */
+};
+
+/* Flags for return value of CPL message handlers */
+enum {
+ CPL_RET_BUF_DONE = 1, // buffer processing done, buffer may be freed
+ CPL_RET_BAD_MSG = 2, // bad CPL message (e.g., unknown opcode)
+ CPL_RET_UNKNOWN_TID = 4 // unexpected unknown TID
+};
+
+typedef int (*cpl_handler_func)(struct t3cdev *dev, struct sk_buff *skb);
+
+/*
+ * Returns a pointer to the first byte of the CPL header in an sk_buff that
+ * contains a CPL message.
+ */
+static inline void *cplhdr(struct sk_buff *skb)
+{
+ return skb->data;
+}
+
+void t3_register_cpl_handler(unsigned int opcode, cpl_handler_func h);
+
+union listen_entry {
+ struct t3c_tid_entry t3c_tid;
+ union listen_entry *next;
+};
+
+union active_open_entry {
+ struct t3c_tid_entry t3c_tid;
+ union active_open_entry *next;
+};
+
+/*
+ * Holds the size, base address, free list start, etc of the TID, server TID,
+ * and active-open TID tables for a offload device.
+ * The tables themselves are allocated dynamically.
+ */
+struct tid_info {
+ struct t3c_tid_entry *tid_tab;
+ unsigned int ntids;
+ atomic_t tids_in_use;
+
+ union listen_entry *stid_tab;
+ unsigned int nstids;
+ unsigned int stid_base;
+
+ union active_open_entry *atid_tab;
+ unsigned int natids;
+ unsigned int atid_base;
+
+ /*
+ * The following members are accessed R/W so we put them in their own
+ * cache lines.
+ *
+ * XXX We could combine the atid fields above with the lock here since
+ * atids are use once (unlike other tids). OTOH the above fields are
+ * usually in cache due to tid_tab.
+ */
+ spinlock_t atid_lock ____cacheline_aligned_in_smp;
+ union active_open_entry *afree;
+ unsigned int atids_in_use;
+
+ spinlock_t stid_lock ____cacheline_aligned;
+ union listen_entry *sfree;
+ unsigned int stids_in_use;
+};
+
+struct t3c_data {
+ struct list_head list_node;
+ struct t3cdev *dev;
+ unsigned int tx_max_chunk; /* max payload for TX_DATA */
+ unsigned int max_wrs; /* max in-flight WRs per connection */
+ unsigned int ddp_llimit; /* DDP parameters */
+ unsigned int ddp_ulimit;
+ unsigned int ddp_tagmask;
+ unsigned int nmtus;
+ const unsigned short *mtus;
+ struct tid_info tid_maps;
+
+ struct t3c_tid_entry *tid_release_list;
+ spinlock_t tid_release_lock;
+ struct work_struct tid_release_task;
+};
+
+/*
+ * t3cdev -> t3c_data accessor
+ */
+#define T3C_DATA(dev) (*(struct t3c_data **)&(dev)->l4opt)
+
+#endif
diff --git a/drivers/net/cxgb3/l2t.h b/drivers/net/cxgb3/l2t.h
new file mode 100644
index 0000000..de38451
--- /dev/null
+++ b/drivers/net/cxgb3/l2t.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
+ * Copyright (c) 2006 Open Grid Computing, 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 _CHELSIO_L2T_H
+#define _CHELSIO_L2T_H
+
+#include <linux/spinlock.h>
+#include "t3cdev.h"
+#include <asm/atomic.h>
+
+enum {
+ L2T_STATE_VALID, /* entry is up to date */
+ L2T_STATE_STALE, /* entry may be used but needs revalidation */
+ L2T_STATE_RESOLVING, /* entry needs address resolution */
+ L2T_STATE_UNUSED /* entry not in use */
+};
+
+struct neighbour;
+struct sk_buff;
+
+/*
+ * Each L2T entry plays multiple roles. First of all, it keeps state for the
+ * corresponding entry of the HW L2 table and maintains a queue of offload
+ * packets awaiting address resolution. Second, it is a node of a hash table
+ * chain, where the nodes of the chain are linked together through their next
+ * pointer. Finally, each node is a bucket of a hash table, pointing to the
+ * first element in its chain through its first pointer.
+ */
+struct l2t_entry {
+ u16 state; /* entry state */
+ u16 idx; /* entry index */
+ u32 addr; /* dest IP address */
+ int ifindex; /* neighbor's net_device's ifindex */
+ u16 smt_idx; /* SMT index */
+ u16 vlan; /* VLAN TCI (id: bits 0-11, prio: 13-15 */
+ struct neighbour *neigh; /* associated neighbour */
+ struct l2t_entry *first; /* start of hash chain */
+ struct l2t_entry *next; /* next l2t_entry on chain */
+ struct sk_buff *arpq_head; /* queue of packets awaiting resolution */
+ struct sk_buff *arpq_tail;
+ spinlock_t lock;
+ atomic_t refcnt; /* entry reference count */
+ u8 dmac[6]; /* neighbour's MAC address */
+};
+
+struct l2t_data {
+ unsigned int nentries; /* number of entries */
+ struct l2t_entry *rover; /* starting point for next allocation */
+ atomic_t nfree; /* number of free entries */
+ rwlock_t lock;
+ struct l2t_entry l2tab[0];
+};
+
+typedef void (*arp_failure_handler_func)(struct t3cdev *dev,
+ struct sk_buff *skb);
+
+/*
+ * Callback stored in an skb to handle address resolution failure.
+ */
+struct l2t_skb_cb {
+ arp_failure_handler_func arp_failure_handler;
+};
+
+#define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb)
+
+static inline void set_arp_failure_handler(struct sk_buff *skb,
+ arp_failure_handler_func hnd)
+{
+ L2T_SKB_CB(skb)->arp_failure_handler = hnd;
+}
+
+/*
+ * Getting to the L2 data from an offload device.
+ */
+#define L2DATA(dev) ((dev)->l2opt)
+
+#define W_TCB_L2T_IX 0
+#define S_TCB_L2T_IX 7
+#define M_TCB_L2T_IX 0x7ffULL
+#define V_TCB_L2T_IX(x) ((x) << S_TCB_L2T_IX)
+
+
+void t3_l2e_free(struct l2t_data *d, struct l2t_entry *e);
+void t3_l2t_update(struct t3cdev *dev, struct neighbour *neigh);
+struct l2t_entry *t3_l2t_get(struct t3cdev *dev, struct neighbour *neigh,
+ unsigned int smt_idx);
+int t3_l2t_send_slow(struct t3cdev *dev, struct sk_buff *skb,
+ struct l2t_entry *e);
+void t3_l2t_send_event(struct t3cdev *dev, struct l2t_entry *e);
+struct l2t_data *t3_init_l2t(unsigned int l2t_capacity);
+void t3_free_l2t(struct l2t_data *d);
+
+int cxgb3_ofld_send(struct t3cdev *dev, struct sk_buff *skb);
+
+static inline int l2t_send(struct t3cdev *dev, struct sk_buff *skb,
+ struct l2t_entry *e)
+{
+ if (likely(e->state == L2T_STATE_VALID))
+ return cxgb3_ofld_send(dev, skb);
+ return t3_l2t_send_slow(dev, skb, e);
+}
+
+static inline void l2t_release(struct l2t_data *d, struct l2t_entry *e)
+{
+ if (atomic_dec_and_test(&e->refcnt))
+ t3_l2e_free(d, e);
+}
+
+static inline void l2t_hold(struct l2t_data *d, struct l2t_entry *e)
+{
+ if (atomic_add_return(1, &e->refcnt) == 1) /* 0 -> 1 transition */
+ atomic_dec(&d->nfree);
+}
+
+#endif
diff --git a/drivers/net/cxgb3/t3_cpl.h b/drivers/net/cxgb3/t3_cpl.h
new file mode 100644
index 0000000..c6d11c1
--- /dev/null
+++ b/drivers/net/cxgb3/t3_cpl.h
@@ -0,0 +1,1431 @@
+/*
+ * Definitions of the CPL 5 commands and status codes.
+ *
+ * Copyright (C) 2004-2006 Chelsio Communications. All rights reserved.
+ *
+ * Written by Dimitris Michailidis (dm@...lsio.com)
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
+ * release for licensing terms and conditions.
+ */
+
+#ifndef T3_CPL_H
+#define T3_CPL_H
+
+#if !defined(__LITTLE_ENDIAN_BITFIELD) && !defined(__BIG_ENDIAN_BITFIELD)
+# include <asm/byteorder.h>
+#endif
+
+enum CPL_opcode {
+ CPL_PASS_OPEN_REQ = 0x1,
+ CPL_PASS_ACCEPT_RPL = 0x2,
+ CPL_ACT_OPEN_REQ = 0x3,
+ CPL_SET_TCB = 0x4,
+ CPL_SET_TCB_FIELD = 0x5,
+ CPL_GET_TCB = 0x6,
+ CPL_PCMD = 0x7,
+ CPL_CLOSE_CON_REQ = 0x8,
+ CPL_CLOSE_LISTSRV_REQ = 0x9,
+ CPL_ABORT_REQ = 0xA,
+ CPL_ABORT_RPL = 0xB,
+ CPL_TX_DATA = 0xC,
+ CPL_RX_DATA_ACK = 0xD,
+ CPL_TX_PKT = 0xE,
+ CPL_RTE_DELETE_REQ = 0xF,
+ CPL_RTE_WRITE_REQ = 0x10,
+ CPL_RTE_READ_REQ = 0x11,
+ CPL_L2T_WRITE_REQ = 0x12,
+ CPL_L2T_READ_REQ = 0x13,
+ CPL_SMT_WRITE_REQ = 0x14,
+ CPL_SMT_READ_REQ = 0x15,
+ CPL_TX_PKT_LSO = 0x16,
+ CPL_PCMD_READ = 0x17,
+ CPL_BARRIER = 0x18,
+ CPL_TID_RELEASE = 0x1A,
+
+ CPL_CLOSE_LISTSRV_RPL = 0x20,
+ CPL_ERROR = 0x21,
+ CPL_GET_TCB_RPL = 0x22,
+ CPL_L2T_WRITE_RPL = 0x23,
+ CPL_PCMD_READ_RPL = 0x24,
+ CPL_PCMD_RPL = 0x25,
+ CPL_PEER_CLOSE = 0x26,
+ CPL_RTE_DELETE_RPL = 0x27,
+ CPL_RTE_WRITE_RPL = 0x28,
+ CPL_RX_DDP_COMPLETE = 0x29,
+ CPL_RX_PHYS_ADDR = 0x2A,
+ CPL_RX_PKT = 0x2B,
+ CPL_RX_URG_NOTIFY = 0x2C,
+ CPL_SET_TCB_RPL = 0x2D,
+ CPL_SMT_WRITE_RPL = 0x2E,
+ CPL_TX_DATA_ACK = 0x2F,
+
+ CPL_ABORT_REQ_RSS = 0x30,
+ CPL_ABORT_RPL_RSS = 0x31,
+ CPL_CLOSE_CON_RPL = 0x32,
+ CPL_ISCSI_HDR = 0x33,
+ CPL_L2T_READ_RPL = 0x34,
+ CPL_RDMA_CQE = 0x35,
+ CPL_RDMA_CQE_READ_RSP = 0x36,
+ CPL_RDMA_CQE_ERR = 0x37,
+ CPL_RTE_READ_RPL = 0x38,
+ CPL_RX_DATA = 0x39,
+
+ CPL_ACT_OPEN_RPL = 0x40,
+ CPL_PASS_OPEN_RPL = 0x41,
+ CPL_RX_DATA_DDP = 0x42,
+ CPL_SMT_READ_RPL = 0x43,
+
+ CPL_ACT_ESTABLISH = 0x50,
+ CPL_PASS_ESTABLISH = 0x51,
+
+ CPL_PASS_ACCEPT_REQ = 0x70,
+
+ CPL_ASYNC_NOTIF = 0x80, /* fake opcode for async notifications */
+
+ CPL_TX_DMA_ACK = 0xA0,
+ CPL_RDMA_READ_REQ = 0xA1,
+ CPL_RDMA_TERMINATE = 0xA2,
+ CPL_TRACE_PKT = 0xA3,
+ CPL_RDMA_EC_STATUS = 0xA5,
+
+ NUM_CPL_CMDS /* must be last and previous entries must be sorted */
+};
+
+enum CPL_error {
+ CPL_ERR_NONE = 0,
+ CPL_ERR_TCAM_PARITY = 1,
+ CPL_ERR_TCAM_FULL = 3,
+ CPL_ERR_CONN_RESET = 20,
+ CPL_ERR_CONN_EXIST = 22,
+ CPL_ERR_ARP_MISS = 23,
+ CPL_ERR_BAD_SYN = 24,
+ CPL_ERR_CONN_TIMEDOUT = 30,
+ CPL_ERR_XMIT_TIMEDOUT = 31,
+ CPL_ERR_PERSIST_TIMEDOUT = 32,
+ CPL_ERR_FINWAIT2_TIMEDOUT = 33,
+ CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
+ CPL_ERR_RTX_NEG_ADVICE = 35,
+ CPL_ERR_PERSIST_NEG_ADVICE = 36,
+ CPL_ERR_ABORT_FAILED = 42,
+ CPL_ERR_GENERAL = 99
+};
+
+enum {
+ CPL_CONN_POLICY_AUTO = 0,
+ CPL_CONN_POLICY_ASK = 1,
+ CPL_CONN_POLICY_DENY = 3
+};
+
+enum {
+ ULP_MODE_NONE = 0,
+ ULP_MODE_ISCSI = 2,
+ ULP_MODE_RDMA = 4,
+ ULP_MODE_TCPDDP = 5
+};
+
+enum {
+ ULP_CRC_HEADER = 1 << 0,
+ ULP_CRC_DATA = 1 << 1
+};
+
+enum {
+ CPL_PASS_OPEN_ACCEPT,
+ CPL_PASS_OPEN_REJECT
+};
+
+enum {
+ CPL_ABORT_SEND_RST = 0,
+ CPL_ABORT_NO_RST,
+ CPL_ABORT_POST_CLOSE_REQ = 2
+};
+
+enum { /* TX_PKT_LSO ethernet types */
+ CPL_ETH_II,
+ CPL_ETH_II_VLAN,
+ CPL_ETH_802_3,
+ CPL_ETH_802_3_VLAN
+};
+
+enum { /* TCP congestion control algorithms */
+ CONG_ALG_RENO,
+ CONG_ALG_TAHOE,
+ CONG_ALG_NEWRENO,
+ CONG_ALG_HIGHSPEED
+};
+
+union opcode_tid {
+ __u32 opcode_tid;
+ __u8 opcode;
+};
+
+#define S_OPCODE 24
+#define V_OPCODE(x) ((x) << S_OPCODE)
+#define G_OPCODE(x) (((x) >> S_OPCODE) & 0xFF)
+#define G_TID(x) ((x) & 0xFFFFFF)
+
+/* tid is assumed to be 24-bits */
+#define MK_OPCODE_TID(opcode, tid) (V_OPCODE(opcode) | (tid))
+
+#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
+
+/* extract the TID from a CPL command */
+#define GET_TID(cmd) (G_TID(ntohl(OPCODE_TID(cmd))))
+
+struct tcp_options {
+ __u16 mss;
+ __u8 wsf;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 :5;
+ __u8 ecn:1;
+ __u8 sack:1;
+ __u8 tstamp:1;
+#else
+ __u8 tstamp:1;
+ __u8 sack:1;
+ __u8 ecn:1;
+ __u8 :5;
+#endif
+};
+
+struct rss_header {
+ __u8 opcode;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 cpu_idx:6;
+ __u8 hash_type:2;
+#else
+ __u8 hash_type:2;
+ __u8 cpu_idx:6;
+#endif
+ __u16 cq_idx;
+ __u32 rss_hash_val;
+};
+
+#ifndef CHELSIO_FW
+struct work_request_hdr {
+ __u32 wr_hi;
+ __u32 wr_lo;
+};
+
+/* wr_hi fields */
+#define S_WR_SGE_CREDITS 0
+#define M_WR_SGE_CREDITS 0xFF
+#define V_WR_SGE_CREDITS(x) ((x) << S_WR_SGE_CREDITS)
+#define G_WR_SGE_CREDITS(x) (((x) >> S_WR_SGE_CREDITS) & M_WR_SGE_CREDITS)
+
+#define S_WR_SGLSFLT 8
+#define M_WR_SGLSFLT 0xFF
+#define V_WR_SGLSFLT(x) ((x) << S_WR_SGLSFLT)
+#define G_WR_SGLSFLT(x) (((x) >> S_WR_SGLSFLT) & M_WR_SGLSFLT)
+
+#define S_WR_BCNTLFLT 16
+#define M_WR_BCNTLFLT 0xF
+#define V_WR_BCNTLFLT(x) ((x) << S_WR_BCNTLFLT)
+#define G_WR_BCNTLFLT(x) (((x) >> S_WR_BCNTLFLT) & M_WR_BCNTLFLT)
+
+#define S_WR_DATATYPE 20
+#define V_WR_DATATYPE(x) ((x) << S_WR_DATATYPE)
+#define F_WR_DATATYPE V_WR_DATATYPE(1U)
+
+#define S_WR_COMPL 21
+#define V_WR_COMPL(x) ((x) << S_WR_COMPL)
+#define F_WR_COMPL V_WR_COMPL(1U)
+
+#define S_WR_EOP 22
+#define V_WR_EOP(x) ((x) << S_WR_EOP)
+#define F_WR_EOP V_WR_EOP(1U)
+
+#define S_WR_SOP 23
+#define V_WR_SOP(x) ((x) << S_WR_SOP)
+#define F_WR_SOP V_WR_SOP(1U)
+
+#define S_WR_OP 24
+#define M_WR_OP 0xFF
+#define V_WR_OP(x) ((x) << S_WR_OP)
+#define G_WR_OP(x) (((x) >> S_WR_OP) & M_WR_OP)
+
+/* wr_lo fields */
+#define S_WR_LEN 0
+#define M_WR_LEN 0xFF
+#define V_WR_LEN(x) ((x) << S_WR_LEN)
+#define G_WR_LEN(x) (((x) >> S_WR_LEN) & M_WR_LEN)
+
+#define S_WR_TID 8
+#define M_WR_TID 0xFFFFF
+#define V_WR_TID(x) ((x) << S_WR_TID)
+#define G_WR_TID(x) (((x) >> S_WR_TID) & M_WR_TID)
+
+#define S_WR_CR_FLUSH 30
+#define V_WR_CR_FLUSH(x) ((x) << S_WR_CR_FLUSH)
+#define F_WR_CR_FLUSH V_WR_CR_FLUSH(1U)
+
+#define S_WR_GEN 31
+#define V_WR_GEN(x) ((x) << S_WR_GEN)
+#define F_WR_GEN V_WR_GEN(1U)
+
+# define WR_HDR struct work_request_hdr wr
+# define RSS_HDR
+#else
+# define WR_HDR
+# define RSS_HDR struct rss_header rss_hdr;
+#endif
+
+/* option 0 lower-half fields */
+#define S_CPL_STATUS 0
+#define M_CPL_STATUS 0xFF
+#define V_CPL_STATUS(x) ((x) << S_CPL_STATUS)
+#define G_CPL_STATUS(x) (((x) >> S_CPL_STATUS) & M_CPL_STATUS)
+
+#define S_INJECT_TIMER 6
+#define V_INJECT_TIMER(x) ((x) << S_INJECT_TIMER)
+#define F_INJECT_TIMER V_INJECT_TIMER(1U)
+
+#define S_NO_OFFLOAD 7
+#define V_NO_OFFLOAD(x) ((x) << S_NO_OFFLOAD)
+#define F_NO_OFFLOAD V_NO_OFFLOAD(1U)
+
+#define S_ULP_MODE 8
+#define M_ULP_MODE 0xF
+#define V_ULP_MODE(x) ((x) << S_ULP_MODE)
+#define G_ULP_MODE(x) (((x) >> S_ULP_MODE) & M_ULP_MODE)
+
+#define S_RCV_BUFSIZ 12
+#define M_RCV_BUFSIZ 0x3FFF
+#define V_RCV_BUFSIZ(x) ((x) << S_RCV_BUFSIZ)
+#define G_RCV_BUFSIZ(x) (((x) >> S_RCV_BUFSIZ) & M_RCV_BUFSIZ)
+
+#define S_TOS 26
+#define M_TOS 0x3F
+#define V_TOS(x) ((x) << S_TOS)
+#define G_TOS(x) (((x) >> S_TOS) & M_TOS)
+
+/* option 0 upper-half fields */
+#define S_DELACK 0
+#define V_DELACK(x) ((x) << S_DELACK)
+#define F_DELACK V_DELACK(1U)
+
+#define S_NO_CONG 1
+#define V_NO_CONG(x) ((x) << S_NO_CONG)
+#define F_NO_CONG V_NO_CONG(1U)
+
+#define S_SRC_MAC_SEL 2
+#define M_SRC_MAC_SEL 0x3
+#define V_SRC_MAC_SEL(x) ((x) << S_SRC_MAC_SEL)
+#define G_SRC_MAC_SEL(x) (((x) >> S_SRC_MAC_SEL) & M_SRC_MAC_SEL)
+
+#define S_L2T_IDX 4
+#define M_L2T_IDX 0x7FF
+#define V_L2T_IDX(x) ((x) << S_L2T_IDX)
+#define G_L2T_IDX(x) (((x) >> S_L2T_IDX) & M_L2T_IDX)
+
+#define S_TX_CHANNEL 15
+#define V_TX_CHANNEL(x) ((x) << S_TX_CHANNEL)
+#define F_TX_CHANNEL V_TX_CHANNEL(1U)
+
+#define S_TCAM_BYPASS 16
+#define V_TCAM_BYPASS(x) ((x) << S_TCAM_BYPASS)
+#define F_TCAM_BYPASS V_TCAM_BYPASS(1U)
+
+#define S_NAGLE 17
+#define V_NAGLE(x) ((x) << S_NAGLE)
+#define F_NAGLE V_NAGLE(1U)
+
+#define S_WND_SCALE 18
+#define M_WND_SCALE 0xF
+#define V_WND_SCALE(x) ((x) << S_WND_SCALE)
+#define G_WND_SCALE(x) (((x) >> S_WND_SCALE) & M_WND_SCALE)
+
+#define S_KEEP_ALIVE 22
+#define V_KEEP_ALIVE(x) ((x) << S_KEEP_ALIVE)
+#define F_KEEP_ALIVE V_KEEP_ALIVE(1U)
+
+#define S_MAX_RETRANS 23
+#define M_MAX_RETRANS 0xF
+#define V_MAX_RETRANS(x) ((x) << S_MAX_RETRANS)
+#define G_MAX_RETRANS(x) (((x) >> S_MAX_RETRANS) & M_MAX_RETRANS)
+
+#define S_MAX_RETRANS_OVERRIDE 27
+#define V_MAX_RETRANS_OVERRIDE(x) ((x) << S_MAX_RETRANS_OVERRIDE)
+#define F_MAX_RETRANS_OVERRIDE V_MAX_RETRANS_OVERRIDE(1U)
+
+#define S_MSS_IDX 28
+#define M_MSS_IDX 0xF
+#define V_MSS_IDX(x) ((x) << S_MSS_IDX)
+#define G_MSS_IDX(x) (((x) >> S_MSS_IDX) & M_MSS_IDX)
+
+/* option 1 fields */
+#define S_RSS_ENABLE 0
+#define V_RSS_ENABLE(x) ((x) << S_RSS_ENABLE)
+#define F_RSS_ENABLE V_RSS_ENABLE(1U)
+
+#define S_RSS_MASK_LEN 1
+#define M_RSS_MASK_LEN 0x7
+#define V_RSS_MASK_LEN(x) ((x) << S_RSS_MASK_LEN)
+#define G_RSS_MASK_LEN(x) (((x) >> S_RSS_MASK_LEN) & M_RSS_MASK_LEN)
+
+#define S_CPU_IDX 4
+#define M_CPU_IDX 0x3F
+#define V_CPU_IDX(x) ((x) << S_CPU_IDX)
+#define G_CPU_IDX(x) (((x) >> S_CPU_IDX) & M_CPU_IDX)
+
+#define S_MAC_MATCH_VALID 18
+#define V_MAC_MATCH_VALID(x) ((x) << S_MAC_MATCH_VALID)
+#define F_MAC_MATCH_VALID V_MAC_MATCH_VALID(1U)
+
+#define S_CONN_POLICY 19
+#define M_CONN_POLICY 0x3
+#define V_CONN_POLICY(x) ((x) << S_CONN_POLICY)
+#define G_CONN_POLICY(x) (((x) >> S_CONN_POLICY) & M_CONN_POLICY)
+
+#define S_SYN_DEFENSE 21
+#define V_SYN_DEFENSE(x) ((x) << S_SYN_DEFENSE)
+#define F_SYN_DEFENSE V_SYN_DEFENSE(1U)
+
+#define S_VLAN_PRI 22
+#define M_VLAN_PRI 0x3
+#define V_VLAN_PRI(x) ((x) << S_VLAN_PRI)
+#define G_VLAN_PRI(x) (((x) >> S_VLAN_PRI) & M_VLAN_PRI)
+
+#define S_VLAN_PRI_VALID 24
+#define V_VLAN_PRI_VALID(x) ((x) << S_VLAN_PRI_VALID)
+#define F_VLAN_PRI_VALID V_VLAN_PRI_VALID(1U)
+
+#define S_PKT_TYPE 25
+#define M_PKT_TYPE 0x3
+#define V_PKT_TYPE(x) ((x) << S_PKT_TYPE)
+#define G_PKT_TYPE(x) (((x) >> S_PKT_TYPE) & M_PKT_TYPE)
+
+#define S_MAC_MATCH 27
+#define M_MAC_MATCH 0x1F
+#define V_MAC_MATCH(x) ((x) << S_MAC_MATCH)
+#define G_MAC_MATCH(x) (((x) >> S_MAC_MATCH) & M_MAC_MATCH)
+
+/* option 2 fields */
+#define S_CPU_INDEX 0
+#define M_CPU_INDEX 0x7F
+#define V_CPU_INDEX(x) ((x) << S_CPU_INDEX)
+#define G_CPU_INDEX(x) (((x) >> S_CPU_INDEX) & M_CPU_INDEX)
+
+#define S_CPU_INDEX_VALID 7
+#define V_CPU_INDEX_VALID(x) ((x) << S_CPU_INDEX_VALID)
+#define F_CPU_INDEX_VALID V_CPU_INDEX_VALID(1U)
+
+#define S_RX_COALESCE 8
+#define M_RX_COALESCE 0x3
+#define V_RX_COALESCE(x) ((x) << S_RX_COALESCE)
+#define G_RX_COALESCE(x) (((x) >> S_RX_COALESCE) & M_RX_COALESCE)
+
+#define S_RX_COALESCE_VALID 10
+#define V_RX_COALESCE_VALID(x) ((x) << S_RX_COALESCE_VALID)
+#define F_RX_COALESCE_VALID V_RX_COALESCE_VALID(1U)
+
+#define S_CONG_CONTROL_FLAVOR 11
+#define M_CONG_CONTROL_FLAVOR 0x3
+#define V_CONG_CONTROL_FLAVOR(x) ((x) << S_CONG_CONTROL_FLAVOR)
+#define G_CONG_CONTROL_FLAVOR(x) (((x) >> S_CONG_CONTROL_FLAVOR) & M_CONG_CONTROL_FLAVOR)
+
+#define S_PACING_FLAVOR 13
+#define M_PACING_FLAVOR 0x3
+#define V_PACING_FLAVOR(x) ((x) << S_PACING_FLAVOR)
+#define G_PACING_FLAVOR(x) (((x) >> S_PACING_FLAVOR) & M_PACING_FLAVOR)
+
+#define S_FLAVORS_VALID 15
+#define V_FLAVORS_VALID(x) ((x) << S_FLAVORS_VALID)
+#define F_FLAVORS_VALID V_FLAVORS_VALID(1U)
+
+#define S_RX_FC_DISABLE 16
+#define V_RX_FC_DISABLE(x) ((x) << S_RX_FC_DISABLE)
+#define F_RX_FC_DISABLE V_RX_FC_DISABLE(1U)
+
+#define S_RX_FC_VALID 17
+#define V_RX_FC_VALID(x) ((x) << S_RX_FC_VALID)
+#define F_RX_FC_VALID V_RX_FC_VALID(1U)
+
+struct cpl_pass_open_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u16 local_port;
+ __u16 peer_port;
+ __u32 local_ip;
+ __u32 peer_ip;
+ __u32 opt0h;
+ __u32 opt0l;
+ __u32 peer_netmask;
+ __u32 opt1;
+};
+
+struct cpl_pass_open_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 local_port;
+ __u16 peer_port;
+ __u32 local_ip;
+ __u32 peer_ip;
+ __u8 resvd[7];
+ __u8 status;
+};
+
+struct cpl_pass_establish {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 local_port;
+ __u16 peer_port;
+ __u32 local_ip;
+ __u32 peer_ip;
+ __u32 tos_tid;
+ __u16 l2t_idx;
+ __u16 tcp_opt;
+ __u32 snd_isn;
+ __u32 rcv_isn;
+};
+
+/* cpl_pass_establish.tos_tid fields */
+#define S_PASS_OPEN_TID 0
+#define M_PASS_OPEN_TID 0xFFFFFF
+#define V_PASS_OPEN_TID(x) ((x) << S_PASS_OPEN_TID)
+#define G_PASS_OPEN_TID(x) (((x) >> S_PASS_OPEN_TID) & M_PASS_OPEN_TID)
+
+#define S_PASS_OPEN_TOS 24
+#define M_PASS_OPEN_TOS 0xFF
+#define V_PASS_OPEN_TOS(x) ((x) << S_PASS_OPEN_TOS)
+#define G_PASS_OPEN_TOS(x) (((x) >> S_PASS_OPEN_TOS) & M_PASS_OPEN_TOS)
+
+/* cpl_pass_establish.l2t_idx fields */
+#define S_L2T_IDX16 5
+#define M_L2T_IDX16 0x7FF
+#define V_L2T_IDX16(x) ((x) << S_L2T_IDX16)
+#define G_L2T_IDX16(x) (((x) >> S_L2T_IDX16) & M_L2T_IDX16)
+
+/* cpl_pass_establish.tcp_opt fields (also applies act_open_establish) */
+#define G_TCPOPT_WSCALE_OK(x) (((x) >> 5) & 1)
+#define G_TCPOPT_SACK(x) (((x) >> 6) & 1)
+#define G_TCPOPT_TSTAMP(x) (((x) >> 7) & 1)
+#define G_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
+#define G_TCPOPT_MSS(x) (((x) >> 12) & 0xf)
+
+struct cpl_pass_accept_req {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 local_port;
+ __u16 peer_port;
+ __u32 local_ip;
+ __u32 peer_ip;
+ __u32 tos_tid;
+ struct tcp_options tcp_options;
+ __u8 dst_mac[6];
+ __u16 vlan_tag;
+ __u8 src_mac[6];
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 :3;
+ __u8 addr_idx:3;
+ __u8 port_idx:1;
+ __u8 exact_match:1;
+#else
+ __u8 exact_match:1;
+ __u8 port_idx:1;
+ __u8 addr_idx:3;
+ __u8 :3;
+#endif
+ __u8 rsvd;
+ __u32 rcv_isn;
+ __u32 rsvd2;
+};
+
+struct cpl_pass_accept_rpl {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 opt2;
+ __u32 rsvd;
+ __u32 peer_ip;
+ __u32 opt0h;
+ __u32 opt0l_status;
+};
+
+struct cpl_act_open_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u16 local_port;
+ __u16 peer_port;
+ __u32 local_ip;
+ __u32 peer_ip;
+ __u32 opt0h;
+ __u32 opt0l;
+ __u32 params;
+ __u32 opt2;
+};
+
+/* cpl_act_open_req.params fields */
+#define S_AOPEN_VLAN_PRI 9
+#define M_AOPEN_VLAN_PRI 0x3
+#define V_AOPEN_VLAN_PRI(x) ((x) << S_AOPEN_VLAN_PRI)
+#define G_AOPEN_VLAN_PRI(x) (((x) >> S_AOPEN_VLAN_PRI) & M_AOPEN_VLAN_PRI)
+
+#define S_AOPEN_VLAN_PRI_VALID 11
+#define V_AOPEN_VLAN_PRI_VALID(x) ((x) << S_AOPEN_VLAN_PRI_VALID)
+#define F_AOPEN_VLAN_PRI_VALID V_AOPEN_VLAN_PRI_VALID(1U)
+
+#define S_AOPEN_PKT_TYPE 12
+#define M_AOPEN_PKT_TYPE 0x3
+#define V_AOPEN_PKT_TYPE(x) ((x) << S_AOPEN_PKT_TYPE)
+#define G_AOPEN_PKT_TYPE(x) (((x) >> S_AOPEN_PKT_TYPE) & M_AOPEN_PKT_TYPE)
+
+#define S_AOPEN_MAC_MATCH 14
+#define M_AOPEN_MAC_MATCH 0x1F
+#define V_AOPEN_MAC_MATCH(x) ((x) << S_AOPEN_MAC_MATCH)
+#define G_AOPEN_MAC_MATCH(x) (((x) >> S_AOPEN_MAC_MATCH) & M_AOPEN_MAC_MATCH)
+
+#define S_AOPEN_MAC_MATCH_VALID 19
+#define V_AOPEN_MAC_MATCH_VALID(x) ((x) << S_AOPEN_MAC_MATCH_VALID)
+#define F_AOPEN_MAC_MATCH_VALID V_AOPEN_MAC_MATCH_VALID(1U)
+
+#define S_AOPEN_IFF_VLAN 20
+#define M_AOPEN_IFF_VLAN 0xFFF
+#define V_AOPEN_IFF_VLAN(x) ((x) << S_AOPEN_IFF_VLAN)
+#define G_AOPEN_IFF_VLAN(x) (((x) >> S_AOPEN_IFF_VLAN) & M_AOPEN_IFF_VLAN)
+
+struct cpl_act_open_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 local_port;
+ __u16 peer_port;
+ __u32 local_ip;
+ __u32 peer_ip;
+ __u32 atid;
+ __u8 rsvd[3];
+ __u8 status;
+};
+
+struct cpl_act_establish {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 local_port;
+ __u16 peer_port;
+ __u32 local_ip;
+ __u32 peer_ip;
+ __u32 tos_tid;
+ __u16 l2t_idx;
+ __u16 tcp_opt;
+ __u32 snd_isn;
+ __u32 rcv_isn;
+};
+
+struct cpl_get_tcb {
+ WR_HDR;
+ union opcode_tid ot;
+ __u16 cpuno;
+ __u16 rsvd;
+};
+
+struct cpl_get_tcb_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 rsvd;
+ __u8 status;
+ __u16 len;
+};
+
+struct cpl_set_tcb {
+ WR_HDR;
+ union opcode_tid ot;
+ __u8 reply;
+ __u8 cpu_idx;
+ __u16 len;
+};
+
+/* cpl_set_tcb.reply fields */
+#define S_NO_REPLY 7
+#define V_NO_REPLY(x) ((x) << S_NO_REPLY)
+#define F_NO_REPLY V_NO_REPLY(1U)
+
+struct cpl_set_tcb_field {
+ WR_HDR;
+ union opcode_tid ot;
+ __u8 reply;
+ __u8 cpu_idx;
+ __u16 word;
+ __u64 mask;
+ __u64 val;
+};
+
+struct cpl_set_tcb_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 rsvd[3];
+ __u8 status;
+};
+
+struct cpl_pcmd {
+ WR_HDR;
+ union opcode_tid ot;
+ __u8 rsvd[3];
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 src:1;
+ __u8 bundle:1;
+ __u8 channel:1;
+ __u8 :5;
+#else
+ __u8 :5;
+ __u8 channel:1;
+ __u8 bundle:1;
+ __u8 src:1;
+#endif
+ __u32 pcmd_parm[2];
+};
+
+struct cpl_pcmd_reply {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd;
+ __u16 len;
+};
+
+struct cpl_close_con_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 rsvd;
+};
+
+struct cpl_close_con_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 rsvd[3];
+ __u8 status;
+ __u32 snd_nxt;
+ __u32 rcv_nxt;
+};
+
+struct cpl_close_listserv_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u8 rsvd0;
+ __u8 cpu_idx;
+ __u16 rsvd1;
+};
+
+struct cpl_close_listserv_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 rsvd[3];
+ __u8 status;
+};
+
+struct cpl_abort_req_rss {
+ RSS_HDR
+ union opcode_tid ot;
+ __u32 rsvd0;
+ __u8 rsvd1;
+ __u8 status;
+ __u8 rsvd2[6];
+};
+
+struct cpl_abort_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 rsvd0;
+ __u8 rsvd1;
+ __u8 cmd;
+ __u8 rsvd2[6];
+};
+
+struct cpl_abort_rpl_rss {
+ RSS_HDR
+ union opcode_tid ot;
+ __u32 rsvd0;
+ __u8 rsvd1;
+ __u8 status;
+ __u8 rsvd2[6];
+};
+
+struct cpl_abort_rpl {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 rsvd0;
+ __u8 rsvd1;
+ __u8 cmd;
+ __u8 rsvd2[6];
+};
+
+struct cpl_peer_close {
+ RSS_HDR
+ union opcode_tid ot;
+ __u32 rcv_nxt;
+};
+
+struct tx_data_wr {
+ __u32 wr_hi;
+ __u32 wr_lo;
+ __u32 len;
+ __u32 flags;
+ __u32 sndseq;
+ __u32 param;
+};
+
+/* tx_data_wr.param fields */
+#define S_TX_PORT 0
+#define M_TX_PORT 0x7
+#define V_TX_PORT(x) ((x) << S_TX_PORT)
+#define G_TX_PORT(x) (((x) >> S_TX_PORT) & M_TX_PORT)
+
+#define S_TX_MSS 4
+#define M_TX_MSS 0xF
+#define V_TX_MSS(x) ((x) << S_TX_MSS)
+#define G_TX_MSS(x) (((x) >> S_TX_MSS) & M_TX_MSS)
+
+#define S_TX_QOS 8
+#define M_TX_QOS 0xFF
+#define V_TX_QOS(x) ((x) << S_TX_QOS)
+#define G_TX_QOS(x) (((x) >> S_TX_QOS) & M_TX_QOS)
+
+#define S_TX_SNDBUF 16
+#define M_TX_SNDBUF 0xFFFF
+#define V_TX_SNDBUF(x) ((x) << S_TX_SNDBUF)
+#define G_TX_SNDBUF(x) (((x) >> S_TX_SNDBUF) & M_TX_SNDBUF)
+
+struct cpl_tx_data {
+ union opcode_tid ot;
+ __u32 len;
+ __u32 rsvd;
+ __u16 urg;
+ __u16 flags;
+};
+
+/* cpl_tx_data.flags fields */
+#define S_TX_ULP_SUBMODE 6
+#define M_TX_ULP_SUBMODE 0xF
+#define V_TX_ULP_SUBMODE(x) ((x) << S_TX_ULP_SUBMODE)
+#define G_TX_ULP_SUBMODE(x) (((x) >> S_TX_ULP_SUBMODE) & M_TX_ULP_SUBMODE)
+
+#define S_TX_ULP_MODE 10
+#define M_TX_ULP_MODE 0xF
+#define V_TX_ULP_MODE(x) ((x) << S_TX_ULP_MODE)
+#define G_TX_ULP_MODE(x) (((x) >> S_TX_ULP_MODE) & M_TX_ULP_MODE)
+
+#define S_TX_SHOVE 14
+#define V_TX_SHOVE(x) ((x) << S_TX_SHOVE)
+#define F_TX_SHOVE V_TX_SHOVE(1U)
+
+#define S_TX_MORE 15
+#define V_TX_MORE(x) ((x) << S_TX_MORE)
+#define F_TX_MORE V_TX_MORE(1U)
+
+/* additional tx_data_wr.flags fields */
+#define S_TX_CPU_IDX 0
+#define M_TX_CPU_IDX 0x3F
+#define V_TX_CPU_IDX(x) ((x) << S_TX_CPU_IDX)
+#define G_TX_CPU_IDX(x) (((x) >> S_TX_CPU_IDX) & M_TX_CPU_IDX)
+
+#define S_TX_URG 16
+#define V_TX_URG(x) ((x) << S_TX_URG)
+#define F_TX_URG V_TX_URG(1U)
+
+#define S_TX_CLOSE 17
+#define V_TX_CLOSE(x) ((x) << S_TX_CLOSE)
+#define F_TX_CLOSE V_TX_CLOSE(1U)
+
+#define S_TX_INIT 18
+#define V_TX_INIT(x) ((x) << S_TX_INIT)
+#define F_TX_INIT V_TX_INIT(1U)
+
+#define S_TX_IMM_ACK 19
+#define V_TX_IMM_ACK(x) ((x) << S_TX_IMM_ACK)
+#define F_TX_IMM_ACK V_TX_IMM_ACK(1U)
+
+#define S_TX_IMM_DMA 20
+#define V_TX_IMM_DMA(x) ((x) << S_TX_IMM_DMA)
+#define F_TX_IMM_DMA V_TX_IMM_DMA(1U)
+
+struct cpl_tx_data_ack {
+ RSS_HDR
+ union opcode_tid ot;
+ __u32 ack_seq;
+};
+
+struct cpl_wr_ack {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 credits;
+ __u16 rsvd;
+ __u32 snd_nxt;
+ __u32 snd_una;
+};
+
+struct cpl_rdma_ec_status {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 rsvd[3];
+ __u8 status;
+};
+
+struct mngt_pktsched_wr {
+ __u32 wr_hi;
+ __u32 wr_lo;
+ __u8 mngt_opcode;
+ __u8 rsvd[7];
+ __u8 sched;
+ __u8 idx;
+ __u8 min;
+ __u8 max;
+ __u8 binding;
+ __u8 rsvd1[3];
+};
+
+struct cpl_iscsi_hdr {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 pdu_len_ddp;
+ __u16 len;
+ __u32 seq;
+ __u16 urg;
+ __u8 rsvd;
+ __u8 status;
+};
+
+/* cpl_iscsi_hdr.pdu_len_ddp fields */
+#define S_ISCSI_PDU_LEN 0
+#define M_ISCSI_PDU_LEN 0x7FFF
+#define V_ISCSI_PDU_LEN(x) ((x) << S_ISCSI_PDU_LEN)
+#define G_ISCSI_PDU_LEN(x) (((x) >> S_ISCSI_PDU_LEN) & M_ISCSI_PDU_LEN)
+
+#define S_ISCSI_DDP 15
+#define V_ISCSI_DDP(x) ((x) << S_ISCSI_DDP)
+#define F_ISCSI_DDP V_ISCSI_DDP(1U)
+
+struct cpl_rx_data {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 rsvd;
+ __u16 len;
+ __u32 seq;
+ __u16 urg;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 dack_mode:2;
+ __u8 psh:1;
+ __u8 heartbeat:1;
+ __u8 :4;
+#else
+ __u8 :4;
+ __u8 heartbeat:1;
+ __u8 psh:1;
+ __u8 dack_mode:2;
+#endif
+ __u8 status;
+};
+
+struct cpl_rx_data_ack {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 credit_dack;
+};
+
+/* cpl_rx_data_ack.ack_seq fields */
+#define S_RX_CREDITS 0
+#define M_RX_CREDITS 0x7FFFFFF
+#define V_RX_CREDITS(x) ((x) << S_RX_CREDITS)
+#define G_RX_CREDITS(x) (((x) >> S_RX_CREDITS) & M_RX_CREDITS)
+
+#define S_RX_MODULATE 27
+#define V_RX_MODULATE(x) ((x) << S_RX_MODULATE)
+#define F_RX_MODULATE V_RX_MODULATE(1U)
+
+#define S_RX_FORCE_ACK 28
+#define V_RX_FORCE_ACK(x) ((x) << S_RX_FORCE_ACK)
+#define F_RX_FORCE_ACK V_RX_FORCE_ACK(1U)
+
+#define S_RX_DACK_MODE 29
+#define M_RX_DACK_MODE 0x3
+#define V_RX_DACK_MODE(x) ((x) << S_RX_DACK_MODE)
+#define G_RX_DACK_MODE(x) (((x) >> S_RX_DACK_MODE) & M_RX_DACK_MODE)
+
+#define S_RX_DACK_CHANGE 31
+#define V_RX_DACK_CHANGE(x) ((x) << S_RX_DACK_CHANGE)
+#define F_RX_DACK_CHANGE V_RX_DACK_CHANGE(1U)
+
+struct cpl_rx_urg_notify {
+ RSS_HDR
+ union opcode_tid ot;
+ __u32 seq;
+};
+
+struct cpl_rx_ddp_complete {
+ RSS_HDR
+ union opcode_tid ot;
+ __u32 ddp_report;
+};
+
+struct cpl_rx_data_ddp {
+ RSS_HDR
+ union opcode_tid ot;
+ __u16 urg;
+ __u16 len;
+ __u32 seq;
+ union {
+ __u32 nxt_seq;
+ __u32 ddp_report;
+ };
+ __u32 ulp_crc;
+ __u16 ddp_status;
+ __u8 rsvd;
+ __u8 status;
+};
+
+/* cpl_rx_data_ddp.ddp_status fields */
+#define S_DDP_ULP_MODE 0
+#define M_DDP_ULP_MODE 0xF
+#define V_DDP_ULP_MODE(x) ((x) << S_DDP_ULP_MODE)
+#define G_DDP_ULP_MODE(x) (((x) >> S_DDP_ULP_MODE) & M_DDP_ULP_MODE)
+
+#define S_DDP_INVALID_PAGEPOD 4
+#define V_DDP_INVALID_PAGEPOD(x) ((x) << S_DDP_INVALID_PAGEPOD)
+#define F_DDP_INVALID_PAGEPOD V_DDP_INVALID_PAGEPOD(1U)
+
+#define S_DDP_INVALID_TID 5
+#define V_DDP_INVALID_TID(x) ((x) << S_DDP_INVALID_TID)
+#define F_DDP_INVALID_TID V_DDP_INVALID_TID(1U)
+
+#define S_DDP_INVALID_COLOR 6
+#define V_DDP_INVALID_COLOR(x) ((x) << S_DDP_INVALID_COLOR)
+#define F_DDP_INVALID_COLOR V_DDP_INVALID_COLOR(1U)
+
+#define S_DDP_INVALID_OFFSET 7
+#define V_DDP_INVALID_OFFSET(x) ((x) << S_DDP_INVALID_OFFSET)
+#define F_DDP_INVALID_OFFSET V_DDP_INVALID_OFFSET(1U)
+
+#define S_DDP_INVALID_ULIMIT 8
+#define V_DDP_INVALID_ULIMIT(x) ((x) << S_DDP_INVALID_ULIMIT)
+#define F_DDP_INVALID_ULIMIT V_DDP_INVALID_ULIMIT(1U)
+
+#define S_DDP_INVALID_TAG 9
+#define V_DDP_INVALID_TAG(x) ((x) << S_DDP_INVALID_TAG)
+#define F_DDP_INVALID_TAG V_DDP_INVALID_TAG(1U)
+
+#define S_DDP_INVALID_DCRC 10
+#define V_DDP_INVALID_DCRC(x) ((x) << S_DDP_INVALID_DCRC)
+#define F_DDP_INVALID_DCRC V_DDP_INVALID_DCRC(1U)
+
+#define S_DDP_INVALID_HCRC 11
+#define V_DDP_INVALID_HCRC(x) ((x) << S_DDP_INVALID_HCRC)
+#define F_DDP_INVALID_HCRC V_DDP_INVALID_HCRC(1U)
+
+#define S_DDP_INVALID_PADDING 12
+#define V_DDP_INVALID_PADDING(x) ((x) << S_DDP_INVALID_PADDING)
+#define F_DDP_INVALID_PADDING V_DDP_INVALID_PADDING(1U)
+
+/* cpl_rx_data_ddp.ddp_report fields */
+#define S_DDP_OFFSET 0
+#define M_DDP_OFFSET 0x3FFFFF
+#define V_DDP_OFFSET(x) ((x) << S_DDP_OFFSET)
+#define G_DDP_OFFSET(x) (((x) >> S_DDP_OFFSET) & M_DDP_OFFSET)
+
+#define S_DDP_URG 24
+#define V_DDP_URG(x) ((x) << S_DDP_URG)
+#define F_DDP_URG V_DDP_URG(1U)
+
+#define S_DDP_PSH 25
+#define V_DDP_PSH(x) ((x) << S_DDP_PSH)
+#define F_DDP_PSH V_DDP_PSH(1U)
+
+#define S_DDP_BUF_COMPLETE 26
+#define V_DDP_BUF_COMPLETE(x) ((x) << S_DDP_BUF_COMPLETE)
+#define F_DDP_BUF_COMPLETE V_DDP_BUF_COMPLETE(1U)
+
+#define S_DDP_BUF_TIMED_OUT 27
+#define V_DDP_BUF_TIMED_OUT(x) ((x) << S_DDP_BUF_TIMED_OUT)
+#define F_DDP_BUF_TIMED_OUT V_DDP_BUF_TIMED_OUT(1U)
+
+#define S_DDP_BUF_IDX 28
+#define V_DDP_BUF_IDX(x) ((x) << S_DDP_BUF_IDX)
+#define F_DDP_BUF_IDX V_DDP_BUF_IDX(1U)
+
+struct cpl_tx_pkt {
+ WR_HDR;
+ __u32 cntrl;
+ __u32 len;
+};
+
+struct cpl_tx_pkt_lso {
+ WR_HDR;
+ __u32 cntrl;
+ __u32 len;
+
+ __u32 rsvd;
+ __u32 lso_info;
+};
+
+/* cpl_tx_pkt*.cntrl fields */
+#define S_TXPKT_VLAN 0
+#define M_TXPKT_VLAN 0xFFFF
+#define V_TXPKT_VLAN(x) ((x) << S_TXPKT_VLAN)
+#define G_TXPKT_VLAN(x) (((x) >> S_TXPKT_VLAN) & M_TXPKT_VLAN)
+
+#define S_TXPKT_INTF 16
+#define M_TXPKT_INTF 0xF
+#define V_TXPKT_INTF(x) ((x) << S_TXPKT_INTF)
+#define G_TXPKT_INTF(x) (((x) >> S_TXPKT_INTF) & M_TXPKT_INTF)
+
+#define S_TXPKT_IPCSUM_DIS 20
+#define V_TXPKT_IPCSUM_DIS(x) ((x) << S_TXPKT_IPCSUM_DIS)
+#define F_TXPKT_IPCSUM_DIS V_TXPKT_IPCSUM_DIS(1U)
+
+#define S_TXPKT_L4CSUM_DIS 21
+#define V_TXPKT_L4CSUM_DIS(x) ((x) << S_TXPKT_L4CSUM_DIS)
+#define F_TXPKT_L4CSUM_DIS V_TXPKT_L4CSUM_DIS(1U)
+
+#define S_TXPKT_VLAN_VLD 22
+#define V_TXPKT_VLAN_VLD(x) ((x) << S_TXPKT_VLAN_VLD)
+#define F_TXPKT_VLAN_VLD V_TXPKT_VLAN_VLD(1U)
+
+#define S_TXPKT_LOOPBACK 23
+#define V_TXPKT_LOOPBACK(x) ((x) << S_TXPKT_LOOPBACK)
+#define F_TXPKT_LOOPBACK V_TXPKT_LOOPBACK(1U)
+
+#define S_TXPKT_OPCODE 24
+#define M_TXPKT_OPCODE 0xFF
+#define V_TXPKT_OPCODE(x) ((x) << S_TXPKT_OPCODE)
+#define G_TXPKT_OPCODE(x) (((x) >> S_TXPKT_OPCODE) & M_TXPKT_OPCODE)
+
+/* cpl_tx_pkt_lso.lso_info fields */
+#define S_LSO_MSS 0
+#define M_LSO_MSS 0x3FFF
+#define V_LSO_MSS(x) ((x) << S_LSO_MSS)
+#define G_LSO_MSS(x) (((x) >> S_LSO_MSS) & M_LSO_MSS)
+
+#define S_LSO_ETH_TYPE 14
+#define M_LSO_ETH_TYPE 0x3
+#define V_LSO_ETH_TYPE(x) ((x) << S_LSO_ETH_TYPE)
+#define G_LSO_ETH_TYPE(x) (((x) >> S_LSO_ETH_TYPE) & M_LSO_ETH_TYPE)
+
+#define S_LSO_TCPHDR_WORDS 16
+#define M_LSO_TCPHDR_WORDS 0xF
+#define V_LSO_TCPHDR_WORDS(x) ((x) << S_LSO_TCPHDR_WORDS)
+#define G_LSO_TCPHDR_WORDS(x) (((x) >> S_LSO_TCPHDR_WORDS) & M_LSO_TCPHDR_WORDS)
+
+#define S_LSO_IPHDR_WORDS 20
+#define M_LSO_IPHDR_WORDS 0xF
+#define V_LSO_IPHDR_WORDS(x) ((x) << S_LSO_IPHDR_WORDS)
+#define G_LSO_IPHDR_WORDS(x) (((x) >> S_LSO_IPHDR_WORDS) & M_LSO_IPHDR_WORDS)
+
+#define S_LSO_IPV6 24
+#define V_LSO_IPV6(x) ((x) << S_LSO_IPV6)
+#define F_LSO_IPV6 V_LSO_IPV6(1U)
+
+struct cpl_trace_pkt {
+#ifdef CHELSIO_FW
+ __u8 rss_opcode;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 err:1;
+ __u8 :7;
+#else
+ __u8 :7;
+ __u8 err:1;
+#endif
+ __u8 rsvd0;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 qid:4;
+ __u8 :4;
+#else
+ __u8 :4;
+ __u8 qid:4;
+#endif
+ __u32 tstamp;
+#endif /* CHELSIO_FW */
+
+ __u8 opcode;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 iff:4;
+ __u8 :4;
+#else
+ __u8 :4;
+ __u8 iff:4;
+#endif
+ __u8 rsvd[4];
+ __u16 len;
+};
+
+struct cpl_rx_pkt {
+ RSS_HDR
+ __u8 opcode;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 iff:4;
+ __u8 csum_valid:1;
+ __u8 ipmi_pkt:1;
+ __u8 vlan_valid:1;
+ __u8 fragment:1;
+#else
+ __u8 fragment:1;
+ __u8 vlan_valid:1;
+ __u8 ipmi_pkt:1;
+ __u8 csum_valid:1;
+ __u8 iff:4;
+#endif
+ __u16 csum;
+ __u16 vlan;
+ __u16 len;
+};
+
+struct cpl_l2t_write_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 params;
+ __u8 rsvd[2];
+ __u8 dst_mac[6];
+};
+
+/* cpl_l2t_write_req.params fields */
+#define S_L2T_W_IDX 0
+#define M_L2T_W_IDX 0x7FF
+#define V_L2T_W_IDX(x) ((x) << S_L2T_W_IDX)
+#define G_L2T_W_IDX(x) (((x) >> S_L2T_W_IDX) & M_L2T_W_IDX)
+
+#define S_L2T_W_VLAN 11
+#define M_L2T_W_VLAN 0xFFF
+#define V_L2T_W_VLAN(x) ((x) << S_L2T_W_VLAN)
+#define G_L2T_W_VLAN(x) (((x) >> S_L2T_W_VLAN) & M_L2T_W_VLAN)
+
+#define S_L2T_W_IFF 23
+#define M_L2T_W_IFF 0xF
+#define V_L2T_W_IFF(x) ((x) << S_L2T_W_IFF)
+#define G_L2T_W_IFF(x) (((x) >> S_L2T_W_IFF) & M_L2T_W_IFF)
+
+#define S_L2T_W_PRIO 27
+#define M_L2T_W_PRIO 0x7
+#define V_L2T_W_PRIO(x) ((x) << S_L2T_W_PRIO)
+#define G_L2T_W_PRIO(x) (((x) >> S_L2T_W_PRIO) & M_L2T_W_PRIO)
+
+struct cpl_l2t_write_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd[3];
+};
+
+struct cpl_l2t_read_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u16 rsvd;
+ __u16 l2t_idx;
+};
+
+struct cpl_l2t_read_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u32 params;
+ __u8 rsvd[2];
+ __u8 dst_mac[6];
+};
+
+/* cpl_l2t_read_rpl.params fields */
+#define S_L2T_R_PRIO 0
+#define M_L2T_R_PRIO 0x7
+#define V_L2T_R_PRIO(x) ((x) << S_L2T_R_PRIO)
+#define G_L2T_R_PRIO(x) (((x) >> S_L2T_R_PRIO) & M_L2T_R_PRIO)
+
+#define S_L2T_R_VLAN 8
+#define M_L2T_R_VLAN 0xFFF
+#define V_L2T_R_VLAN(x) ((x) << S_L2T_R_VLAN)
+#define G_L2T_R_VLAN(x) (((x) >> S_L2T_R_VLAN) & M_L2T_R_VLAN)
+
+#define S_L2T_R_IFF 20
+#define M_L2T_R_IFF 0xF
+#define V_L2T_R_IFF(x) ((x) << S_L2T_R_IFF)
+#define G_L2T_R_IFF(x) (((x) >> S_L2T_R_IFF) & M_L2T_R_IFF)
+
+#define S_L2T_STATUS 24
+#define M_L2T_STATUS 0xFF
+#define V_L2T_STATUS(x) ((x) << S_L2T_STATUS)
+#define G_L2T_STATUS(x) (((x) >> S_L2T_STATUS) & M_L2T_STATUS)
+
+struct cpl_smt_write_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u8 rsvd0;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 mtu_idx:4;
+ __u8 iff:4;
+#else
+ __u8 iff:4;
+ __u8 mtu_idx:4;
+#endif
+ __u16 rsvd2;
+ __u16 rsvd3;
+ __u8 src_mac1[6];
+ __u16 rsvd4;
+ __u8 src_mac0[6];
+};
+
+struct cpl_smt_write_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd[3];
+};
+
+struct cpl_smt_read_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u8 rsvd0;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 :4;
+ __u8 iff:4;
+#else
+ __u8 iff:4;
+ __u8 :4;
+#endif
+ __u16 rsvd2;
+};
+
+struct cpl_smt_read_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 status;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 mtu_idx:4;
+ __u8 :4;
+#else
+ __u8 :4;
+ __u8 mtu_idx:4;
+#endif
+ __u16 rsvd2;
+ __u16 rsvd3;
+ __u8 src_mac1[6];
+ __u16 rsvd4;
+ __u8 src_mac0[6];
+};
+
+struct cpl_rte_delete_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 params;
+};
+
+/* { cpl_rte_delete_req, cpl_rte_read_req }.params fields */
+#define S_RTE_REQ_LUT_IX 8
+#define M_RTE_REQ_LUT_IX 0x7FF
+#define V_RTE_REQ_LUT_IX(x) ((x) << S_RTE_REQ_LUT_IX)
+#define G_RTE_REQ_LUT_IX(x) (((x) >> S_RTE_REQ_LUT_IX) & M_RTE_REQ_LUT_IX)
+
+#define S_RTE_REQ_LUT_BASE 19
+#define M_RTE_REQ_LUT_BASE 0x7FF
+#define V_RTE_REQ_LUT_BASE(x) ((x) << S_RTE_REQ_LUT_BASE)
+#define G_RTE_REQ_LUT_BASE(x) (((x) >> S_RTE_REQ_LUT_BASE) & M_RTE_REQ_LUT_BASE)
+
+#define S_RTE_READ_REQ_SELECT 31
+#define V_RTE_READ_REQ_SELECT(x) ((x) << S_RTE_READ_REQ_SELECT)
+#define F_RTE_READ_REQ_SELECT V_RTE_READ_REQ_SELECT(1U)
+
+struct cpl_rte_delete_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd[3];
+};
+
+struct cpl_rte_write_req {
+ WR_HDR;
+ union opcode_tid ot;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 :6;
+ __u8 write_tcam:1;
+ __u8 write_l2t_lut:1;
+#else
+ __u8 write_l2t_lut:1;
+ __u8 write_tcam:1;
+ __u8 :6;
+#endif
+ __u8 rsvd[3];
+ __u32 lut_params;
+ __u16 rsvd2;
+ __u16 l2t_idx;
+ __u32 netmask;
+ __u32 faddr;
+};
+
+/* cpl_rte_write_req.lut_params fields */
+#define S_RTE_WRITE_REQ_LUT_IX 10
+#define M_RTE_WRITE_REQ_LUT_IX 0x7FF
+#define V_RTE_WRITE_REQ_LUT_IX(x) ((x) << S_RTE_WRITE_REQ_LUT_IX)
+#define G_RTE_WRITE_REQ_LUT_IX(x) (((x) >> S_RTE_WRITE_REQ_LUT_IX) & M_RTE_WRITE_REQ_LUT_IX)
+
+#define S_RTE_WRITE_REQ_LUT_BASE 21
+#define M_RTE_WRITE_REQ_LUT_BASE 0x7FF
+#define V_RTE_WRITE_REQ_LUT_BASE(x) ((x) << S_RTE_WRITE_REQ_LUT_BASE)
+#define G_RTE_WRITE_REQ_LUT_BASE(x) (((x) >> S_RTE_WRITE_REQ_LUT_BASE) & M_RTE_WRITE_REQ_LUT_BASE)
+
+struct cpl_rte_write_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd[3];
+};
+
+struct cpl_rte_read_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 params;
+};
+
+struct cpl_rte_read_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd0;
+ __u16 l2t_idx;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 :7;
+ __u8 select:1;
+#else
+ __u8 select:1;
+ __u8 :7;
+#endif
+ __u8 rsvd2[3];
+ __u32 addr;
+};
+
+struct cpl_tid_release {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 rsvd;
+};
+
+struct cpl_barrier {
+ WR_HDR;
+ __u8 opcode;
+ __u8 rsvd[7];
+};
+
+struct cpl_rdma_read_req {
+ __u8 opcode;
+ __u8 rsvd[15];
+};
+
+struct cpl_rdma_terminate {
+#ifdef CHELSIO_FW
+ __u8 opcode;
+ __u8 rsvd[2];
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 rspq:3;
+ __u8 :5;
+#else
+ __u8 :5;
+ __u8 rspq:3;
+#endif
+ __u32 tid_len;
+#endif
+ __u32 msn;
+ __u32 mo;
+ __u8 data[0];
+};
+
+/* cpl_rdma_terminate.tid_len fields */
+#define S_FLIT_CNT 0
+#define M_FLIT_CNT 0xFF
+#define V_FLIT_CNT(x) ((x) << S_FLIT_CNT)
+#define G_FLIT_CNT(x) (((x) >> S_FLIT_CNT) & M_FLIT_CNT)
+
+#define S_TERM_TID 8
+#define M_TERM_TID 0xFFFFF
+#define V_TERM_TID(x) ((x) << S_TERM_TID)
+#define G_TERM_TID(x) (((x) >> S_TERM_TID) & M_TERM_TID)
+#endif /* T3_CPL_H */
diff --git a/drivers/net/cxgb3/t3cdev.h b/drivers/net/cxgb3/t3cdev.h
new file mode 100644
index 0000000..3f496fe
--- /dev/null
+++ b/drivers/net/cxgb3/t3cdev.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2003-2006 Chelsio Communications. 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 _T3CDEV_H_
+#define _T3CDEV_H_
+
+#include <linux/list.h>
+#include <asm/atomic.h>
+#include <asm/semaphore.h>
+#include <linux/netdevice.h>
+#include <linux/proc_fs.h>
+#include <linux/skbuff.h>
+#include <net/neighbour.h>
+
+#define T3CNAMSIZ 16
+
+/* Get the t3cdev associated with a net_device */
+#define T3CDEV(netdev) (struct t3cdev *)(netdev->priv)
+
+struct cxgb3_client;
+
+enum t3ctype {
+ T3A = 0,
+ T3B
+};
+
+struct t3cdev {
+ char name[T3CNAMSIZ]; /* T3C device name */
+ enum t3ctype type;
+ struct list_head ofld_dev_list; /* for list linking */
+ struct net_device *lldev; /* LL dev associated with T3C messages */
+ struct proc_dir_entry *proc_dir; /* root of proc dir for this T3C */
+ int (*send)(struct t3cdev *dev, struct sk_buff *skb);
+ int (*recv)(struct t3cdev *dev, struct sk_buff **skb, int n);
+ int (*ctl)(struct t3cdev *dev, unsigned int req, void *data);
+ void (*neigh_update)(struct t3cdev *dev, struct neighbour *neigh);
+ void *priv; /* driver private data */
+ void *l2opt; /* optional layer 2 data */
+ void *l3opt; /* optional layer 3 data */
+ void *l4opt; /* optional layer 4 data */
+ void *ulp; /* ulp stuff */
+};
+
+#endif /* _T3CDEV_H_ */
-
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