chelsio: Move the Chelsio drivers

Moves the drivers for the Chelsio chipsets into
drivers/net/ethernet/chelsio/ and the necessary Kconfig and Makefile
changes.

CC: Divy Le Ray <divy@chelsio.com>
CC: Dimitris Michailidis <dm@chelsio.com>
CC: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 1418 deletions

diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
deleted file mode 100644
index 805076c54f1b..000000000000
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ /dev/null
@@ -1,1418 +0,0 @@
-/*
- * Copyright (c) 2006-2008 Chelsio, 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.
- */
-
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <net/neighbour.h>
-#include <linux/notifier.h>
-#include <linux/atomic.h>
-#include <linux/proc_fs.h>
-#include <linux/if_vlan.h>
-#include <net/netevent.h>
-#include <linux/highmem.h>
-#include <linux/vmalloc.h>
-
-#include "common.h"
-#include "regs.h"
-#include "cxgb3_ioctl.h"
-#include "cxgb3_ctl_defs.h"
-#include "cxgb3_defs.h"
-#include "l2t.h"
-#include "firmware_exports.h"
-#include "cxgb3_offload.h"
-
-static LIST_HEAD(client_list);
-static LIST_HEAD(ofld_dev_list);
-static DEFINE_MUTEX(cxgb3_db_lock);
-
-static DEFINE_RWLOCK(adapter_list_lock);
-static LIST_HEAD(adapter_list);
-
-static const unsigned int MAX_ATIDS = 64 * 1024;
-static const unsigned int ATID_BASE = 0x10000;
-
-static void cxgb_neigh_update(struct neighbour *neigh);
-static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new);
-
-static inline int offload_activated(struct t3cdev *tdev)
-{
-	const struct adapter *adapter = tdev2adap(tdev);
-
-	return test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map);
-}
-
-/**
- *	cxgb3_register_client - register an offload client
- *	@client: the client
- *
- *	Add the client to the client list,
- *	and call backs the client for each activated offload device
- */
-void cxgb3_register_client(struct cxgb3_client *client)
-{
-	struct t3cdev *tdev;
-
-	mutex_lock(&cxgb3_db_lock);
-	list_add_tail(&client->client_list, &client_list);
-
-	if (client->add) {
-		list_for_each_entry(tdev, &ofld_dev_list, ofld_dev_list) {
-			if (offload_activated(tdev))
-				client->add(tdev);
-		}
-	}
-	mutex_unlock(&cxgb3_db_lock);
-}
-
-EXPORT_SYMBOL(cxgb3_register_client);
-
-/**
- *	cxgb3_unregister_client - unregister an offload client
- *	@client: the client
- *
- *	Remove the client to the client list,
- *	and call backs the client for each activated offload device.
- */
-void cxgb3_unregister_client(struct cxgb3_client *client)
-{
-	struct t3cdev *tdev;
-
-	mutex_lock(&cxgb3_db_lock);
-	list_del(&client->client_list);
-
-	if (client->remove) {
-		list_for_each_entry(tdev, &ofld_dev_list, ofld_dev_list) {
-			if (offload_activated(tdev))
-				client->remove(tdev);
-		}
-	}
-	mutex_unlock(&cxgb3_db_lock);
-}
-
-EXPORT_SYMBOL(cxgb3_unregister_client);
-
-/**
- *	cxgb3_add_clients - activate registered clients for an offload device
- *	@tdev: the offload device
- *
- *	Call backs all registered clients once a offload device is activated
- */
-void cxgb3_add_clients(struct t3cdev *tdev)
-{
-	struct cxgb3_client *client;
-
-	mutex_lock(&cxgb3_db_lock);
-	list_for_each_entry(client, &client_list, client_list) {
-		if (client->add)
-			client->add(tdev);
-	}
-	mutex_unlock(&cxgb3_db_lock);
-}
-
-/**
- *	cxgb3_remove_clients - deactivates registered clients
- *			       for an offload device
- *	@tdev: the offload device
- *
- *	Call backs all registered clients once a offload device is deactivated
- */
-void cxgb3_remove_clients(struct t3cdev *tdev)
-{
-	struct cxgb3_client *client;
-
-	mutex_lock(&cxgb3_db_lock);
-	list_for_each_entry(client, &client_list, client_list) {
-		if (client->remove)
-			client->remove(tdev);
-	}
-	mutex_unlock(&cxgb3_db_lock);
-}
-
-void cxgb3_event_notify(struct t3cdev *tdev, u32 event, u32 port)
-{
-	struct cxgb3_client *client;
-
-	mutex_lock(&cxgb3_db_lock);
-	list_for_each_entry(client, &client_list, client_list) {
-		if (client->event_handler)
-			client->event_handler(tdev, event, port);
-	}
-	mutex_unlock(&cxgb3_db_lock);
-}
-
-static struct net_device *get_iff_from_mac(struct adapter *adapter,
-					   const unsigned char *mac,
-					   unsigned int vlan)
-{
-	int i;
-
-	for_each_port(adapter, i) {
-		struct net_device *dev = adapter->port[i];
-
-		if (!memcmp(dev->dev_addr, mac, ETH_ALEN)) {
-			if (vlan && vlan != VLAN_VID_MASK) {
-				rcu_read_lock();
-				dev = __vlan_find_dev_deep(dev, vlan);
-				rcu_read_unlock();
-			} else if (netif_is_bond_slave(dev)) {
-				while (dev->master)
-					dev = dev->master;
-			}
-			return dev;
-		}
-	}
-	return NULL;
-}
-
-static int cxgb_ulp_iscsi_ctl(struct adapter *adapter, unsigned int req,
-			      void *data)
-{
-	int i;
-	int ret = 0;
-	unsigned int val = 0;
-	struct ulp_iscsi_info *uiip = data;
-
-	switch (req) {
-	case ULP_ISCSI_GET_PARAMS:
-		uiip->pdev = adapter->pdev;
-		uiip->llimit = t3_read_reg(adapter, A_ULPRX_ISCSI_LLIMIT);
-		uiip->ulimit = t3_read_reg(adapter, A_ULPRX_ISCSI_ULIMIT);
-		uiip->tagmask = t3_read_reg(adapter, A_ULPRX_ISCSI_TAGMASK);
-
-		val = t3_read_reg(adapter, A_ULPRX_ISCSI_PSZ);
-		for (i = 0; i < 4; i++, val >>= 8)
-			uiip->pgsz_factor[i] = val & 0xFF;
-
-		val = t3_read_reg(adapter, A_TP_PARA_REG7);
-		uiip->max_txsz =
-		uiip->max_rxsz = min((val >> S_PMMAXXFERLEN0)&M_PMMAXXFERLEN0,
-				     (val >> S_PMMAXXFERLEN1)&M_PMMAXXFERLEN1);
-		/*
-		 * On tx, the iscsi pdu has to be <= tx page size and has to
-		 * fit into the Tx PM FIFO.
-		 */
-		val = min(adapter->params.tp.tx_pg_size,
-			  t3_read_reg(adapter, A_PM1_TX_CFG) >> 17);
-		uiip->max_txsz = min(val, uiip->max_txsz);
-
-		/* set MaxRxData to 16224 */
-		val = t3_read_reg(adapter, A_TP_PARA_REG2);
-		if ((val >> S_MAXRXDATA) != 0x3f60) {
-			val &= (M_RXCOALESCESIZE << S_RXCOALESCESIZE);
-			val |= V_MAXRXDATA(0x3f60);
-			printk(KERN_INFO
-				"%s, iscsi set MaxRxData to 16224 (0x%x).\n",
-				adapter->name, val);
-			t3_write_reg(adapter, A_TP_PARA_REG2, val);
-		}
-
-		/*
-		 * on rx, the iscsi pdu has to be < rx page size and the
-		 * the max rx data length programmed in TP
-		 */
-		val = min(adapter->params.tp.rx_pg_size,
-			  ((t3_read_reg(adapter, A_TP_PARA_REG2)) >>
-				S_MAXRXDATA) & M_MAXRXDATA);
-		uiip->max_rxsz = min(val, uiip->max_rxsz);
-		break;
-	case ULP_ISCSI_SET_PARAMS:
-		t3_write_reg(adapter, A_ULPRX_ISCSI_TAGMASK, uiip->tagmask);
-		/* program the ddp page sizes */
-		for (i = 0; i < 4; i++)
-			val |= (uiip->pgsz_factor[i] & 0xF) << (8 * i);
-		if (val && (val != t3_read_reg(adapter, A_ULPRX_ISCSI_PSZ))) {
-			printk(KERN_INFO
-				"%s, setting iscsi pgsz 0x%x, %u,%u,%u,%u.\n",
-				adapter->name, val, uiip->pgsz_factor[0],
-				uiip->pgsz_factor[1], uiip->pgsz_factor[2],
-				uiip->pgsz_factor[3]);
-			t3_write_reg(adapter, A_ULPRX_ISCSI_PSZ, val);
-		}
-		break;
-	default:
-		ret = -EOPNOTSUPP;
-	}
-	return ret;
-}
-
-/* Response queue used for RDMA events. */
-#define ASYNC_NOTIF_RSPQ 0
-
-static int cxgb_rdma_ctl(struct adapter *adapter, unsigned int req, void *data)
-{
-	int ret = 0;
-
-	switch (req) {
-	case RDMA_GET_PARAMS: {
-		struct rdma_info *rdma = data;
-		struct pci_dev *pdev = adapter->pdev;
-
-		rdma->udbell_physbase = pci_resource_start(pdev, 2);
-		rdma->udbell_len = pci_resource_len(pdev, 2);
-		rdma->tpt_base =
-			t3_read_reg(adapter, A_ULPTX_TPT_LLIMIT);
-		rdma->tpt_top = t3_read_reg(adapter, A_ULPTX_TPT_ULIMIT);
-		rdma->pbl_base =
-			t3_read_reg(adapter, A_ULPTX_PBL_LLIMIT);
-		rdma->pbl_top = t3_read_reg(adapter, A_ULPTX_PBL_ULIMIT);
-		rdma->rqt_base = t3_read_reg(adapter, A_ULPRX_RQ_LLIMIT);
-		rdma->rqt_top = t3_read_reg(adapter, A_ULPRX_RQ_ULIMIT);
-		rdma->kdb_addr = adapter->regs + A_SG_KDOORBELL;
-		rdma->pdev = pdev;
-		break;
-	}
-	case RDMA_CQ_OP:{
-		unsigned long flags;
-		struct rdma_cq_op *rdma = data;
-
-		/* may be called in any context */
-		spin_lock_irqsave(&adapter->sge.reg_lock, flags);
-		ret = t3_sge_cqcntxt_op(adapter, rdma->id, rdma->op,
-					rdma->credits);
-		spin_unlock_irqrestore(&adapter->sge.reg_lock, flags);
-		break;
-	}
-	case RDMA_GET_MEM:{
-		struct ch_mem_range *t = data;
-		struct mc7 *mem;
-
-		if ((t->addr & 7) || (t->len & 7))
-			return -EINVAL;
-		if (t->mem_id == MEM_CM)
-			mem = &adapter->cm;
-		else if (t->mem_id == MEM_PMRX)
-			mem = &adapter->pmrx;
-		else if (t->mem_id == MEM_PMTX)
-			mem = &adapter->pmtx;
-		else
-			return -EINVAL;
-
-		ret =
-			t3_mc7_bd_read(mem, t->addr / 8, t->len / 8,
-					(u64 *) t->buf);
-		if (ret)
-			return ret;
-		break;
-	}
-	case RDMA_CQ_SETUP:{
-		struct rdma_cq_setup *rdma = data;
-
-		spin_lock_irq(&adapter->sge.reg_lock);
-		ret =
-			t3_sge_init_cqcntxt(adapter, rdma->id,
-					rdma->base_addr, rdma->size,
-					ASYNC_NOTIF_RSPQ,
-					rdma->ovfl_mode, rdma->credits,
-					rdma->credit_thres);
-		spin_unlock_irq(&adapter->sge.reg_lock);
-		break;
-	}
-	case RDMA_CQ_DISABLE:
-		spin_lock_irq(&adapter->sge.reg_lock);
-		ret = t3_sge_disable_cqcntxt(adapter, *(unsigned int *)data);
-		spin_unlock_irq(&adapter->sge.reg_lock);
-		break;
-	case RDMA_CTRL_QP_SETUP:{
-		struct rdma_ctrlqp_setup *rdma = data;
-
-		spin_lock_irq(&adapter->sge.reg_lock);
-		ret = t3_sge_init_ecntxt(adapter, FW_RI_SGEEC_START, 0,
-						SGE_CNTXT_RDMA,
-						ASYNC_NOTIF_RSPQ,
-						rdma->base_addr, rdma->size,
-						FW_RI_TID_START, 1, 0);
-		spin_unlock_irq(&adapter->sge.reg_lock);
-		break;
-	}
-	case RDMA_GET_MIB: {
-		spin_lock(&adapter->stats_lock);
-		t3_tp_get_mib_stats(adapter, (struct tp_mib_stats *)data);
-		spin_unlock(&adapter->stats_lock);
-		break;
-	}
-	default:
-		ret = -EOPNOTSUPP;
-	}
-	return ret;
-}
-
-static int cxgb_offload_ctl(struct t3cdev *tdev, unsigned int req, void *data)
-{
-	struct adapter *adapter = tdev2adap(tdev);
-	struct tid_range *tid;
-	struct mtutab *mtup;
-	struct iff_mac *iffmacp;
-	struct ddp_params *ddpp;
-	struct adap_ports *ports;
-	struct ofld_page_info *rx_page_info;
-	struct tp_params *tp = &adapter->params.tp;
-	int i;
-
-	switch (req) {
-	case GET_MAX_OUTSTANDING_WR:
-		*(unsigned int *)data = FW_WR_NUM;
-		break;
-	case GET_WR_LEN:
-		*(unsigned int *)data = WR_FLITS;
-		break;
-	case GET_TX_MAX_CHUNK:
-		*(unsigned int *)data = 1 << 20;	/* 1MB */
-		break;
-	case GET_TID_RANGE:
-		tid = data;
-		tid->num = t3_mc5_size(&adapter->mc5) -
-		    adapter->params.mc5.nroutes -
-		    adapter->params.mc5.nfilters - adapter->params.mc5.nservers;
-		tid->base = 0;
-		break;
-	case GET_STID_RANGE:
-		tid = data;
-		tid->num = adapter->params.mc5.nservers;
-		tid->base = t3_mc5_size(&adapter->mc5) - tid->num -
-		    adapter->params.mc5.nfilters - adapter->params.mc5.nroutes;
-		break;
-	case GET_L2T_CAPACITY:
-		*(unsigned int *)data = 2048;
-		break;
-	case GET_MTUS:
-		mtup = data;
-		mtup->size = NMTUS;
-		mtup->mtus = adapter->params.mtus;
-		break;
-	case GET_IFF_FROM_MAC:
-		iffmacp = data;
-		iffmacp->dev = get_iff_from_mac(adapter, iffmacp->mac_addr,
-						iffmacp->vlan_tag &
-						VLAN_VID_MASK);
-		break;
-	case GET_DDP_PARAMS:
-		ddpp = data;
-		ddpp->llimit = t3_read_reg(adapter, A_ULPRX_TDDP_LLIMIT);
-		ddpp->ulimit = t3_read_reg(adapter, A_ULPRX_TDDP_ULIMIT);
-		ddpp->tag_mask = t3_read_reg(adapter, A_ULPRX_TDDP_TAGMASK);
-		break;
-	case GET_PORTS:
-		ports = data;
-		ports->nports = adapter->params.nports;
-		for_each_port(adapter, i)
-			ports->lldevs[i] = adapter->port[i];
-		break;
-	case ULP_ISCSI_GET_PARAMS:
-	case ULP_ISCSI_SET_PARAMS:
-		if (!offload_running(adapter))
-			return -EAGAIN;
-		return cxgb_ulp_iscsi_ctl(adapter, req, data);
-	case RDMA_GET_PARAMS:
-	case RDMA_CQ_OP:
-	case RDMA_CQ_SETUP:
-	case RDMA_CQ_DISABLE:
-	case RDMA_CTRL_QP_SETUP:
-	case RDMA_GET_MEM:
-	case RDMA_GET_MIB:
-		if (!offload_running(adapter))
-			return -EAGAIN;
-		return cxgb_rdma_ctl(adapter, req, data);
-	case GET_RX_PAGE_INFO:
-		rx_page_info = data;
-		rx_page_info->page_size = tp->rx_pg_size;
-		rx_page_info->num = tp->rx_num_pgs;
-		break;
-	case GET_ISCSI_IPV4ADDR: {
-		struct iscsi_ipv4addr *p = data;
-		struct port_info *pi = netdev_priv(p->dev);
-		p->ipv4addr = pi->iscsi_ipv4addr;
-		break;
-	}
-	case GET_EMBEDDED_INFO: {
-		struct ch_embedded_info *e = data;
-
-		spin_lock(&adapter->stats_lock);
-		t3_get_fw_version(adapter, &e->fw_vers);
-		t3_get_tp_version(adapter, &e->tp_vers);
-		spin_unlock(&adapter->stats_lock);
-		break;
-	}
-	default:
-		return -EOPNOTSUPP;
-	}
-	return 0;
-}
-
-/*
- * Dummy handler for Rx offload packets in case we get an offload packet before
- * proper processing is setup.  This complains and drops the packet as it isn't
- * normal to get offload packets at this stage.
- */
-static int rx_offload_blackhole(struct t3cdev *dev, struct sk_buff **skbs,
-				int n)
-{
-	while (n--)
-		dev_kfree_skb_any(skbs[n]);
-	return 0;
-}
-
-static void dummy_neigh_update(struct t3cdev *dev, struct neighbour *neigh)
-{
-}
-
-void cxgb3_set_dummy_ops(struct t3cdev *dev)
-{
-	dev->recv = rx_offload_blackhole;
-	dev->neigh_update = dummy_neigh_update;
-}
-
-/*
- * Free an active-open TID.
- */
-void *cxgb3_free_atid(struct t3cdev *tdev, int atid)
-{
-	struct tid_info *t = &(T3C_DATA(tdev))->tid_maps;
-	union active_open_entry *p = atid2entry(t, atid);
-	void *ctx = p->t3c_tid.ctx;
-
-	spin_lock_bh(&t->atid_lock);
-	p->next = t->afree;
-	t->afree = p;
-	t->atids_in_use--;
-	spin_unlock_bh(&t->atid_lock);
-
-	return ctx;
-}
-
-EXPORT_SYMBOL(cxgb3_free_atid);
-
-/*
- * Free a server TID and return it to the free pool.
- */
-void cxgb3_free_stid(struct t3cdev *tdev, int stid)
-{
-	struct tid_info *t = &(T3C_DATA(tdev))->tid_maps;
-	union listen_entry *p = stid2entry(t, stid);
-
-	spin_lock_bh(&t->stid_lock);
-	p->next = t->sfree;
-	t->sfree = p;
-	t->stids_in_use--;
-	spin_unlock_bh(&t->stid_lock);
-}
-
-EXPORT_SYMBOL(cxgb3_free_stid);
-
-void cxgb3_insert_tid(struct t3cdev *tdev, struct cxgb3_client *client,
-		      void *ctx, unsigned int tid)
-{
-	struct tid_info *t = &(T3C_DATA(tdev))->tid_maps;
-
-	t->tid_tab[tid].client = client;
-	t->tid_tab[tid].ctx = ctx;
-	atomic_inc(&t->tids_in_use);
-}
-
-EXPORT_SYMBOL(cxgb3_insert_tid);
-
-/*
- * Populate a TID_RELEASE WR.  The skb must be already propely sized.
- */
-static inline void mk_tid_release(struct sk_buff *skb, unsigned int tid)
-{
-	struct cpl_tid_release *req;
-
-	skb->priority = CPL_PRIORITY_SETUP;
-	req = (struct cpl_tid_release *)__skb_put(skb, sizeof(*req));
-	req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
-	OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_TID_RELEASE, tid));
-}
-
-static void t3_process_tid_release_list(struct work_struct *work)
-{
-	struct t3c_data *td = container_of(work, struct t3c_data,
-					   tid_release_task);
-	struct sk_buff *skb;
-	struct t3cdev *tdev = td->dev;
-
-
-	spin_lock_bh(&td->tid_release_lock);
-	while (td->tid_release_list) {
-		struct t3c_tid_entry *p = td->tid_release_list;
-
-		td->tid_release_list = p->ctx;
-		spin_unlock_bh(&td->tid_release_lock);
-
-		skb = alloc_skb(sizeof(struct cpl_tid_release),
-				GFP_KERNEL);
-		if (!skb)
-			skb = td->nofail_skb;
-		if (!skb) {
-			spin_lock_bh(&td->tid_release_lock);
-			p->ctx = (void *)td->tid_release_list;
-			td->tid_release_list = (struct t3c_tid_entry *)p;
-			break;
-		}
-		mk_tid_release(skb, p - td->tid_maps.tid_tab);
-		cxgb3_ofld_send(tdev, skb);
-		p->ctx = NULL;
-		if (skb == td->nofail_skb)
-			td->nofail_skb =
-				alloc_skb(sizeof(struct cpl_tid_release),
-					GFP_KERNEL);
-		spin_lock_bh(&td->tid_release_lock);
-	}
-	td->release_list_incomplete = (td->tid_release_list == NULL) ? 0 : 1;
-	spin_unlock_bh(&td->tid_release_lock);
-
-	if (!td->nofail_skb)
-		td->nofail_skb =
-			alloc_skb(sizeof(struct cpl_tid_release),
-				GFP_KERNEL);
-}
-
-/* use ctx as a next pointer in the tid release list */
-void cxgb3_queue_tid_release(struct t3cdev *tdev, unsigned int tid)
-{
-	struct t3c_data *td = T3C_DATA(tdev);
-	struct t3c_tid_entry *p = &td->tid_maps.tid_tab[tid];
-
-	spin_lock_bh(&td->tid_release_lock);
-	p->ctx = (void *)td->tid_release_list;
-	p->client = NULL;
-	td->tid_release_list = p;
-	if (!p->ctx || td->release_list_incomplete)
-		schedule_work(&td->tid_release_task);
-	spin_unlock_bh(&td->tid_release_lock);
-}
-
-EXPORT_SYMBOL(cxgb3_queue_tid_release);
-
-/*
- * Remove a tid from the TID table.  A client may defer processing its last
- * CPL message if it is locked at the time it arrives, and while the message
- * sits in the client's backlog the TID may be reused for another connection.
- * To handle this we atomically switch the TID association if it still points
- * to the original client context.
- */
-void cxgb3_remove_tid(struct t3cdev *tdev, void *ctx, unsigned int tid)
-{
-	struct tid_info *t = &(T3C_DATA(tdev))->tid_maps;
-
-	BUG_ON(tid >= t->ntids);
-	if (tdev->type == T3A)
-		(void)cmpxchg(&t->tid_tab[tid].ctx, ctx, NULL);
-	else {
-		struct sk_buff *skb;
-
-		skb = alloc_skb(sizeof(struct cpl_tid_release), GFP_ATOMIC);
-		if (likely(skb)) {
-			mk_tid_release(skb, tid);
-			cxgb3_ofld_send(tdev, skb);
-			t->tid_tab[tid].ctx = NULL;
-		} else
-			cxgb3_queue_tid_release(tdev, tid);
-	}
-	atomic_dec(&t->tids_in_use);
-}
-
-EXPORT_SYMBOL(cxgb3_remove_tid);
-
-int cxgb3_alloc_atid(struct t3cdev *tdev, struct cxgb3_client *client,
-		     void *ctx)
-{
-	int atid = -1;
-	struct tid_info *t = &(T3C_DATA(tdev))->tid_maps;
-
-	spin_lock_bh(&t->atid_lock);
-	if (t->afree &&
-	    t->atids_in_use + atomic_read(&t->tids_in_use) + MC5_MIN_TIDS <=
-	    t->ntids) {
-		union active_open_entry *p = t->afree;
-
-		atid = (p - t->atid_tab) + t->atid_base;
-		t->afree = p->next;
-		p->t3c_tid.ctx = ctx;
-		p->t3c_tid.client = client;
-		t->atids_in_use++;
-	}
-	spin_unlock_bh(&t->atid_lock);
-	return atid;
-}
-
-EXPORT_SYMBOL(cxgb3_alloc_atid);
-
-int cxgb3_alloc_stid(struct t3cdev *tdev, struct cxgb3_client *client,
-		     void *ctx)
-{
-	int stid = -1;
-	struct tid_info *t = &(T3C_DATA(tdev))->tid_maps;
-
-	spin_lock_bh(&t->stid_lock);
-	if (t->sfree) {
-		union listen_entry *p = t->sfree;
-
-		stid = (p - t->stid_tab) + t->stid_base;
-		t->sfree = p->next;
-		p->t3c_tid.ctx = ctx;
-		p->t3c_tid.client = client;
-		t->stids_in_use++;
-	}
-	spin_unlock_bh(&t->stid_lock);
-	return stid;
-}
-
-EXPORT_SYMBOL(cxgb3_alloc_stid);
-
-/* Get the t3cdev associated with a net_device */
-struct t3cdev *dev2t3cdev(struct net_device *dev)
-{
-	const struct port_info *pi = netdev_priv(dev);
-
-	return (struct t3cdev *)pi->adapter;
-}
-
-EXPORT_SYMBOL(dev2t3cdev);
-
-static int do_smt_write_rpl(struct t3cdev *dev, struct sk_buff *skb)
-{
-	struct cpl_smt_write_rpl *rpl = cplhdr(skb);
-
-	if (rpl->status != CPL_ERR_NONE)
-		printk(KERN_ERR
-		       "Unexpected SMT_WRITE_RPL status %u for entry %u\n",
-		       rpl->status, GET_TID(rpl));
-
-	return CPL_RET_BUF_DONE;
-}
-
-static int do_l2t_write_rpl(struct t3cdev *dev, struct sk_buff *skb)
-{
-	struct cpl_l2t_write_rpl *rpl = cplhdr(skb);
-
-	if (rpl->status != CPL_ERR_NONE)
-		printk(KERN_ERR
-		       "Unexpected L2T_WRITE_RPL status %u for entry %u\n",
-		       rpl->status, GET_TID(rpl));
-
-	return CPL_RET_BUF_DONE;
-}
-
-static int do_rte_write_rpl(struct t3cdev *dev, struct sk_buff *skb)
-{
-	struct cpl_rte_write_rpl *rpl = cplhdr(skb);
-
-	if (rpl->status != CPL_ERR_NONE)
-		printk(KERN_ERR
-		       "Unexpected RTE_WRITE_RPL status %u for entry %u\n",
-		       rpl->status, GET_TID(rpl));
-
-	return CPL_RET_BUF_DONE;
-}
-
-static int do_act_open_rpl(struct t3cdev *dev, struct sk_buff *skb)
-{
-	struct cpl_act_open_rpl *rpl = cplhdr(skb);
-	unsigned int atid = G_TID(ntohl(rpl->atid));
-	struct t3c_tid_entry *t3c_tid;
-
-	t3c_tid = lookup_atid(&(T3C_DATA(dev))->tid_maps, atid);
-	if (t3c_tid && t3c_tid->ctx && t3c_tid->client &&
-	    t3c_tid->client->handlers &&
-	    t3c_tid->client->handlers[CPL_ACT_OPEN_RPL]) {
-		return t3c_tid->client->handlers[CPL_ACT_OPEN_RPL] (dev, skb,
-								    t3c_tid->
-								    ctx);
-	} else {
-		printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
-		       dev->name, CPL_ACT_OPEN_RPL);
-		return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
-	}
-}
-
-static int do_stid_rpl(struct t3cdev *dev, struct sk_buff *skb)
-{
-	union opcode_tid *p = cplhdr(skb);
-	unsigned int stid = G_TID(ntohl(p->opcode_tid));
-	struct t3c_tid_entry *t3c_tid;
-
-	t3c_tid = lookup_stid(&(T3C_DATA(dev))->tid_maps, stid);
-	if (t3c_tid && t3c_tid->ctx && t3c_tid->client->handlers &&
-	    t3c_tid->client->handlers[p->opcode]) {
-		return t3c_tid->client->handlers[p->opcode] (dev, skb,
-							     t3c_tid->ctx);
-	} else {
-		printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
-		       dev->name, p->opcode);
-		return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
-	}
-}
-
-static int do_hwtid_rpl(struct t3cdev *dev, struct sk_buff *skb)
-{
-	union opcode_tid *p = cplhdr(skb);
-	unsigned int hwtid = G_TID(ntohl(p->opcode_tid));
-	struct t3c_tid_entry *t3c_tid;
-
-	t3c_tid = lookup_tid(&(T3C_DATA(dev))->tid_maps, hwtid);
-	if (t3c_tid && t3c_tid->ctx && t3c_tid->client->handlers &&
-	    t3c_tid->client->handlers[p->opcode]) {
-		return t3c_tid->client->handlers[p->opcode]
-		    (dev, skb, t3c_tid->ctx);
-	} else {
-		printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
-		       dev->name, p->opcode);
-		return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
-	}
-}
-
-static int do_cr(struct t3cdev *dev, struct sk_buff *skb)
-{
-	struct cpl_pass_accept_req *req = cplhdr(skb);
-	unsigned int stid = G_PASS_OPEN_TID(ntohl(req->tos_tid));
-	struct tid_info *t = &(T3C_DATA(dev))->tid_maps;
-	struct t3c_tid_entry *t3c_tid;
-	unsigned int tid = GET_TID(req);
-
-	if (unlikely(tid >= t->ntids)) {
-		printk("%s: passive open TID %u too large\n",
-		       dev->name, tid);
-		t3_fatal_err(tdev2adap(dev));
-		return CPL_RET_BUF_DONE;
-	}
-
-	t3c_tid = lookup_stid(t, stid);
-	if (t3c_tid && t3c_tid->ctx && t3c_tid->client->handlers &&
-	    t3c_tid->client->handlers[CPL_PASS_ACCEPT_REQ]) {
-		return t3c_tid->client->handlers[CPL_PASS_ACCEPT_REQ]
-		    (dev, skb, t3c_tid->ctx);
-	} else {
-		printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
-		       dev->name, CPL_PASS_ACCEPT_REQ);
-		return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
-	}
-}
-
-/*
- * Returns an sk_buff for a reply CPL message of size len.  If the input
- * sk_buff has no other users it is trimmed and reused, otherwise a new buffer
- * is allocated.  The input skb must be of size at least len.  Note that this
- * operation does not destroy the original skb data even if it decides to reuse
- * the buffer.
- */
-static struct sk_buff *cxgb3_get_cpl_reply_skb(struct sk_buff *skb, size_t len,
-					       gfp_t gfp)
-{
-	if (likely(!skb_cloned(skb))) {
-		BUG_ON(skb->len < len);
-		__skb_trim(skb, len);
-		skb_get(skb);
-	} else {
-		skb = alloc_skb(len, gfp);
-		if (skb)
-			__skb_put(skb, len);
-	}
-	return skb;
-}
-
-static int do_abort_req_rss(struct t3cdev *dev, struct sk_buff *skb)
-{
-	union opcode_tid *p = cplhdr(skb);
-	unsigned int hwtid = G_TID(ntohl(p->opcode_tid));
-	struct t3c_tid_entry *t3c_tid;
-
-	t3c_tid = lookup_tid(&(T3C_DATA(dev))->tid_maps, hwtid);
-	if (t3c_tid && t3c_tid->ctx && t3c_tid->client->handlers &&
-	    t3c_tid->client->handlers[p->opcode]) {
-		return t3c_tid->client->handlers[p->opcode]
-		    (dev, skb, t3c_tid->ctx);
-	} else {
-		struct cpl_abort_req_rss *req = cplhdr(skb);
-		struct cpl_abort_rpl *rpl;
-		struct sk_buff *reply_skb;
-		unsigned int tid = GET_TID(req);
-		u8 cmd = req->status;
-
-		if (req->status == CPL_ERR_RTX_NEG_ADVICE ||
-		    req->status == CPL_ERR_PERSIST_NEG_ADVICE)
-			goto out;
-
-		reply_skb = cxgb3_get_cpl_reply_skb(skb,
-						    sizeof(struct
-							   cpl_abort_rpl),
-						    GFP_ATOMIC);
-
-		if (!reply_skb) {
-			printk("do_abort_req_rss: couldn't get skb!\n");
-			goto out;
-		}
-		reply_skb->priority = CPL_PRIORITY_DATA;
-		__skb_put(reply_skb, sizeof(struct cpl_abort_rpl));
-		rpl = cplhdr(reply_skb);
-		rpl->wr.wr_hi =
-		    htonl(V_WR_OP(FW_WROPCODE_OFLD_HOST_ABORT_CON_RPL));
-		rpl->wr.wr_lo = htonl(V_WR_TID(tid));
-		OPCODE_TID(rpl) = htonl(MK_OPCODE_TID(CPL_ABORT_RPL, tid));
-		rpl->cmd = cmd;
-		cxgb3_ofld_send(dev, reply_skb);
-out:
-		return CPL_RET_BUF_DONE;
-	}
-}
-
-static int do_act_establish(struct t3cdev *dev, struct sk_buff *skb)
-{
-	struct cpl_act_establish *req = cplhdr(skb);
-	unsigned int atid = G_PASS_OPEN_TID(ntohl(req->tos_tid));
-	struct tid_info *t = &(T3C_DATA(dev))->tid_maps;
-	struct t3c_tid_entry *t3c_tid;
-	unsigned int tid = GET_TID(req);
-
-	if (unlikely(tid >= t->ntids)) {
-		printk("%s: active establish TID %u too large\n",
-		       dev->name, tid);
-		t3_fatal_err(tdev2adap(dev));
-		return CPL_RET_BUF_DONE;
-	}
-
-	t3c_tid = lookup_atid(t, atid);
-	if (t3c_tid && t3c_tid->ctx && t3c_tid->client->handlers &&
-	    t3c_tid->client->handlers[CPL_ACT_ESTABLISH]) {
-		return t3c_tid->client->handlers[CPL_ACT_ESTABLISH]
-		    (dev, skb, t3c_tid->ctx);
-	} else {
-		printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
-		       dev->name, CPL_ACT_ESTABLISH);
-		return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
-	}
-}
-
-static int do_trace(struct t3cdev *dev, struct sk_buff *skb)
-{
-	struct cpl_trace_pkt *p = cplhdr(skb);
-
-	skb->protocol = htons(0xffff);
-	skb->dev = dev->lldev;
-	skb_pull(skb, sizeof(*p));
-	skb_reset_mac_header(skb);
-	netif_receive_skb(skb);
-	return 0;
-}
-
-/*
- * That skb would better have come from process_responses() where we abuse
- * ->priority and ->csum to carry our data.  NB: if we get to per-arch
- * ->csum, the things might get really interesting here.
- */
-
-static inline u32 get_hwtid(struct sk_buff *skb)
-{
-	return ntohl((__force __be32)skb->priority) >> 8 & 0xfffff;
-}
-
-static inline u32 get_opcode(struct sk_buff *skb)
-{
-	return G_OPCODE(ntohl((__force __be32)skb->csum));
-}
-
-static int do_term(struct t3cdev *dev, struct sk_buff *skb)
-{
-	unsigned int hwtid = get_hwtid(skb);
-	unsigned int opcode = get_opcode(skb);
-	struct t3c_tid_entry *t3c_tid;
-
-	t3c_tid = lookup_tid(&(T3C_DATA(dev))->tid_maps, hwtid);
-	if (t3c_tid && t3c_tid->ctx && t3c_tid->client->handlers &&
-	    t3c_tid->client->handlers[opcode]) {
-		return t3c_tid->client->handlers[opcode] (dev, skb,
-							  t3c_tid->ctx);
-	} else {
-		printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
-		       dev->name, opcode);
-		return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
-	}
-}
-
-static int nb_callback(struct notifier_block *self, unsigned long event,
-		       void *ctx)
-{
-	switch (event) {
-	case (NETEVENT_NEIGH_UPDATE):{
-		cxgb_neigh_update((struct neighbour *)ctx);
-		break;
-	}
-	case (NETEVENT_REDIRECT):{
-		struct netevent_redirect *nr = ctx;
-		cxgb_redirect(nr->old, nr->new);
-		cxgb_neigh_update(dst_get_neighbour(nr->new));
-		break;
-	}
-	default:
-		break;
-	}
-	return 0;
-}
-
-static struct notifier_block nb = {
-	.notifier_call = nb_callback
-};
-
-/*
- * Process a received packet with an unknown/unexpected CPL opcode.
- */
-static int do_bad_cpl(struct t3cdev *dev, struct sk_buff *skb)
-{
-	printk(KERN_ERR "%s: received bad CPL command 0x%x\n", dev->name,
-	       *skb->data);
-	return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
-}
-
-/*
- * Handlers for each CPL opcode
- */
-static cpl_handler_func cpl_handlers[NUM_CPL_CMDS];
-
-/*
- * Add a new handler to the CPL dispatch table.  A NULL handler may be supplied
- * to unregister an existing handler.
- */
-void t3_register_cpl_handler(unsigned int opcode, cpl_handler_func h)
-{
-	if (opcode < NUM_CPL_CMDS)
-		cpl_handlers[opcode] = h ? h : do_bad_cpl;
-	else
-		printk(KERN_ERR "T3C: handler registration for "
-		       "opcode %x failed\n", opcode);
-}
-
-EXPORT_SYMBOL(t3_register_cpl_handler);
-
-/*
- * T3CDEV's receive method.
- */
-static int process_rx(struct t3cdev *dev, struct sk_buff **skbs, int n)
-{
-	while (n--) {
-		struct sk_buff *skb = *skbs++;
-		unsigned int opcode = get_opcode(skb);
-		int ret = cpl_handlers[opcode] (dev, skb);
-
-#if VALIDATE_TID
-		if (ret & CPL_RET_UNKNOWN_TID) {
-			union opcode_tid *p = cplhdr(skb);
-
-			printk(KERN_ERR "%s: CPL message (opcode %u) had "
-			       "unknown TID %u\n", dev->name, opcode,
-			       G_TID(ntohl(p->opcode_tid)));
-		}
-#endif
-		if (ret & CPL_RET_BUF_DONE)
-			kfree_skb(skb);
-	}
-	return 0;
-}
-
-/*
- * Sends an sk_buff to a T3C driver after dealing with any active network taps.
- */
-int cxgb3_ofld_send(struct t3cdev *dev, struct sk_buff *skb)
-{
-	int r;
-
-	local_bh_disable();
-	r = dev->send(dev, skb);
-	local_bh_enable();
-	return r;
-}
-
-EXPORT_SYMBOL(cxgb3_ofld_send);
-
-static int is_offloading(struct net_device *dev)
-{
-	struct adapter *adapter;
-	int i;
-
-	read_lock_bh(&adapter_list_lock);
-	list_for_each_entry(adapter, &adapter_list, adapter_list) {
-		for_each_port(adapter, i) {
-			if (dev == adapter->port[i]) {
-				read_unlock_bh(&adapter_list_lock);
-				return 1;
-			}
-		}
-	}
-	read_unlock_bh(&adapter_list_lock);
-	return 0;
-}
-
-static void cxgb_neigh_update(struct neighbour *neigh)
-{
-	struct net_device *dev = neigh->dev;
-
-	if (dev && (is_offloading(dev))) {
-		struct t3cdev *tdev = dev2t3cdev(dev);
-
-		BUG_ON(!tdev);
-		t3_l2t_update(tdev, neigh);
-	}
-}
-
-static void set_l2t_ix(struct t3cdev *tdev, u32 tid, struct l2t_entry *e)
-{
-	struct sk_buff *skb;
-	struct cpl_set_tcb_field *req;
-
-	skb = alloc_skb(sizeof(*req), GFP_ATOMIC);
-	if (!skb) {
-		printk(KERN_ERR "%s: cannot allocate skb!\n", __func__);
-		return;
-	}
-	skb->priority = CPL_PRIORITY_CONTROL;
-	req = (struct cpl_set_tcb_field *)skb_put(skb, sizeof(*req));
-	req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
-	OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid));
-	req->reply = 0;
-	req->cpu_idx = 0;
-	req->word = htons(W_TCB_L2T_IX);
-	req->mask = cpu_to_be64(V_TCB_L2T_IX(M_TCB_L2T_IX));
-	req->val = cpu_to_be64(V_TCB_L2T_IX(e->idx));
-	tdev->send(tdev, skb);
-}
-
-static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new)
-{
-	struct net_device *olddev, *newdev;
-	struct tid_info *ti;
-	struct t3cdev *tdev;
-	u32 tid;
-	int update_tcb;
-	struct l2t_entry *e;
-	struct t3c_tid_entry *te;
-
-	olddev = dst_get_neighbour(old)->dev;
-	newdev = dst_get_neighbour(new)->dev;
-	if (!is_offloading(olddev))
-		return;
-	if (!is_offloading(newdev)) {
-		printk(KERN_WARNING "%s: Redirect to non-offload "
-		       "device ignored.\n", __func__);
-		return;
-	}
-	tdev = dev2t3cdev(olddev);
-	BUG_ON(!tdev);
-	if (tdev != dev2t3cdev(newdev)) {
-		printk(KERN_WARNING "%s: Redirect to different "
-		       "offload device ignored.\n", __func__);
-		return;
-	}
-
-	/* Add new L2T entry */
-	e = t3_l2t_get(tdev, dst_get_neighbour(new), newdev);
-	if (!e) {
-		printk(KERN_ERR "%s: couldn't allocate new l2t entry!\n",
-		       __func__);
-		return;
-	}
-
-	/* Walk tid table and notify clients of dst change. */
-	ti = &(T3C_DATA(tdev))->tid_maps;
-	for (tid = 0; tid < ti->ntids; tid++) {
-		te = lookup_tid(ti, tid);
-		BUG_ON(!te);
-		if (te && te->ctx && te->client && te->client->redirect) {
-			update_tcb = te->client->redirect(te->ctx, old, new, e);
-			if (update_tcb) {
-				l2t_hold(L2DATA(tdev), e);
-				set_l2t_ix(tdev, tid, e);
-			}
-		}
-	}
-	l2t_release(L2DATA(tdev), e);
-}
-
-/*
- * Allocate a chunk of memory using kmalloc or, if that fails, vmalloc.
- * The allocated memory is cleared.
- */
-void *cxgb_alloc_mem(unsigned long size)
-{
-	void *p = kzalloc(size, GFP_KERNEL);
-
-	if (!p)
-		p = vzalloc(size);
-	return p;
-}
-
-/*
- * Free memory allocated through t3_alloc_mem().
- */
-void cxgb_free_mem(void *addr)
-{
-	if (is_vmalloc_addr(addr))
-		vfree(addr);
-	else
-		kfree(addr);
-}
-
-/*
- * Allocate and initialize the TID tables.  Returns 0 on success.
- */
-static int init_tid_tabs(struct tid_info *t, unsigned int ntids,
-			 unsigned int natids, unsigned int nstids,
-			 unsigned int atid_base, unsigned int stid_base)
-{
-	unsigned long size = ntids * sizeof(*t->tid_tab) +
-	    natids * sizeof(*t->atid_tab) + nstids * sizeof(*t->stid_tab);
-
-	t->tid_tab = cxgb_alloc_mem(size);
-	if (!t->tid_tab)
-		return -ENOMEM;
-
-	t->stid_tab = (union listen_entry *)&t->tid_tab[ntids];
-	t->atid_tab = (union active_open_entry *)&t->stid_tab[nstids];
-	t->ntids = ntids;
-	t->nstids = nstids;
-	t->stid_base = stid_base;
-	t->sfree = NULL;
-	t->natids = natids;
-	t->atid_base = atid_base;
-	t->afree = NULL;
-	t->stids_in_use = t->atids_in_use = 0;
-	atomic_set(&t->tids_in_use, 0);
-	spin_lock_init(&t->stid_lock);
-	spin_lock_init(&t->atid_lock);
-
-	/*
-	 * Setup the free lists for stid_tab and atid_tab.
-	 */
-	if (nstids) {
-		while (--nstids)
-			t->stid_tab[nstids - 1].next = &t->stid_tab[nstids];
-		t->sfree = t->stid_tab;
-	}
-	if (natids) {
-		while (--natids)
-			t->atid_tab[natids - 1].next = &t->atid_tab[natids];
-		t->afree = t->atid_tab;
-	}
-	return 0;
-}
-
-static void free_tid_maps(struct tid_info *t)
-{
-	cxgb_free_mem(t->tid_tab);
-}
-
-static inline void add_adapter(struct adapter *adap)
-{
-	write_lock_bh(&adapter_list_lock);
-	list_add_tail(&adap->adapter_list, &adapter_list);
-	write_unlock_bh(&adapter_list_lock);
-}
-
-static inline void remove_adapter(struct adapter *adap)
-{
-	write_lock_bh(&adapter_list_lock);
-	list_del(&adap->adapter_list);
-	write_unlock_bh(&adapter_list_lock);
-}
-
-int cxgb3_offload_activate(struct adapter *adapter)
-{
-	struct t3cdev *dev = &adapter->tdev;
-	int natids, err;
-	struct t3c_data *t;
-	struct tid_range stid_range, tid_range;
-	struct mtutab mtutab;
-	unsigned int l2t_capacity;
-
-	t = kzalloc(sizeof(*t), GFP_KERNEL);
-	if (!t)
-		return -ENOMEM;
-
-	err = -EOPNOTSUPP;
-	if (dev->ctl(dev, GET_TX_MAX_CHUNK, &t->tx_max_chunk) < 0 ||
-	    dev->ctl(dev, GET_MAX_OUTSTANDING_WR, &t->max_wrs) < 0 ||
-	    dev->ctl(dev, GET_L2T_CAPACITY, &l2t_capacity) < 0 ||
-	    dev->ctl(dev, GET_MTUS, &mtutab) < 0 ||
-	    dev->ctl(dev, GET_TID_RANGE, &tid_range) < 0 ||
-	    dev->ctl(dev, GET_STID_RANGE, &stid_range) < 0)
-		goto out_free;
-
-	err = -ENOMEM;
-	L2DATA(dev) = t3_init_l2t(l2t_capacity);
-	if (!L2DATA(dev))
-		goto out_free;
-
-	natids = min(tid_range.num / 2, MAX_ATIDS);
-	err = init_tid_tabs(&t->tid_maps, tid_range.num, natids,
-			    stid_range.num, ATID_BASE, stid_range.base);
-	if (err)
-		goto out_free_l2t;
-
-	t->mtus = mtutab.mtus;
-	t->nmtus = mtutab.size;
-
-	INIT_WORK(&t->tid_release_task, t3_process_tid_release_list);
-	spin_lock_init(&t->tid_release_lock);
-	INIT_LIST_HEAD(&t->list_node);
-	t->dev = dev;
-
-	T3C_DATA(dev) = t;
-	dev->recv = process_rx;
-	dev->neigh_update = t3_l2t_update;
-
-	/* Register netevent handler once */
-	if (list_empty(&adapter_list))
-		register_netevent_notifier(&nb);
-
-	t->nofail_skb = alloc_skb(sizeof(struct cpl_tid_release), GFP_KERNEL);
-	t->release_list_incomplete = 0;
-
-	add_adapter(adapter);
-	return 0;
-
-out_free_l2t:
-	t3_free_l2t(L2DATA(dev));
-	L2DATA(dev) = NULL;
-out_free:
-	kfree(t);
-	return err;
-}
-
-void cxgb3_offload_deactivate(struct adapter *adapter)
-{
-	struct t3cdev *tdev = &adapter->tdev;
-	struct t3c_data *t = T3C_DATA(tdev);
-
-	remove_adapter(adapter);
-	if (list_empty(&adapter_list))
-		unregister_netevent_notifier(&nb);
-
-	free_tid_maps(&t->tid_maps);
-	T3C_DATA(tdev) = NULL;
-	t3_free_l2t(L2DATA(tdev));
-	L2DATA(tdev) = NULL;
-	if (t->nofail_skb)
-		kfree_skb(t->nofail_skb);
-	kfree(t);
-}
-
-static inline void register_tdev(struct t3cdev *tdev)
-{
-	static int unit;
-
-	mutex_lock(&cxgb3_db_lock);
-	snprintf(tdev->name, sizeof(tdev->name), "ofld_dev%d", unit++);
-	list_add_tail(&tdev->ofld_dev_list, &ofld_dev_list);
-	mutex_unlock(&cxgb3_db_lock);
-}
-
-static inline void unregister_tdev(struct t3cdev *tdev)
-{
-	mutex_lock(&cxgb3_db_lock);
-	list_del(&tdev->ofld_dev_list);
-	mutex_unlock(&cxgb3_db_lock);
-}
-
-static inline int adap2type(struct adapter *adapter)
-{
-	int type = 0;
-
-	switch (adapter->params.rev) {
-	case T3_REV_A:
-		type = T3A;
-		break;
-	case T3_REV_B:
-	case T3_REV_B2:
-		type = T3B;
-		break;
-	case T3_REV_C:
-		type = T3C;
-		break;
-	}
-	return type;
-}
-
-void __devinit cxgb3_adapter_ofld(struct adapter *adapter)
-{
-	struct t3cdev *tdev = &adapter->tdev;
-
-	INIT_LIST_HEAD(&tdev->ofld_dev_list);
-
-	cxgb3_set_dummy_ops(tdev);
-	tdev->send = t3_offload_tx;
-	tdev->ctl = cxgb_offload_ctl;
-	tdev->type = adap2type(adapter);
-
-	register_tdev(tdev);
-}
-
-void __devexit cxgb3_adapter_unofld(struct adapter *adapter)
-{
-	struct t3cdev *tdev = &adapter->tdev;
-
-	tdev->recv = NULL;
-	tdev->neigh_update = NULL;
-
-	unregister_tdev(tdev);
-}
-
-void __init cxgb3_offload_init(void)
-{
-	int i;
-
-	for (i = 0; i < NUM_CPL_CMDS; ++i)
-		cpl_handlers[i] = do_bad_cpl;
-
-	t3_register_cpl_handler(CPL_SMT_WRITE_RPL, do_smt_write_rpl);
-	t3_register_cpl_handler(CPL_L2T_WRITE_RPL, do_l2t_write_rpl);
-	t3_register_cpl_handler(CPL_RTE_WRITE_RPL, do_rte_write_rpl);
-	t3_register_cpl_handler(CPL_PASS_OPEN_RPL, do_stid_rpl);
-	t3_register_cpl_handler(CPL_CLOSE_LISTSRV_RPL, do_stid_rpl);
-	t3_register_cpl_handler(CPL_PASS_ACCEPT_REQ, do_cr);
-	t3_register_cpl_handler(CPL_PASS_ESTABLISH, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_ABORT_RPL_RSS, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_ABORT_RPL, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_RX_URG_NOTIFY, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_RX_DATA, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_TX_DATA_ACK, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_TX_DMA_ACK, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_ACT_OPEN_RPL, do_act_open_rpl);
-	t3_register_cpl_handler(CPL_PEER_CLOSE, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_CLOSE_CON_RPL, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_ABORT_REQ_RSS, do_abort_req_rss);
-	t3_register_cpl_handler(CPL_ACT_ESTABLISH, do_act_establish);
-	t3_register_cpl_handler(CPL_SET_TCB_RPL, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_GET_TCB_RPL, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_RDMA_TERMINATE, do_term);
-	t3_register_cpl_handler(CPL_RDMA_EC_STATUS, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_TRACE_PKT, do_trace);
-	t3_register_cpl_handler(CPL_RX_DATA_DDP, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_RX_DDP_COMPLETE, do_hwtid_rpl);
-	t3_register_cpl_handler(CPL_ISCSI_HDR, do_hwtid_rpl);
-}