Commit c104178d authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'cxgb4-next' 



Anish Bhatt says:

====================
cxgb4i: Add ipv6 support

   The following patchset add ipv6 support for the cxgb4i(iscsi) driver.

Patch 1 moves a define from the iw_cxgb4 to cxgb4 to prevent code duplication,
 as it is used by cxgb4i and iw_cxgb4 both.
Patch 2 exports symbols needed by cxgb4i for ipv6 support from cxgb4.
Patch 3 & 4 deal with actual ipv6 code in libcxgbi/cxgb4i.

Submitting to net-next as changes were needed in cxgb4/iw_cxgb4, and submitting
to scsi separately would break compilation, cc-ing scsi & rdma.

v2 : Cleanup macro that prints ip addresses by using %pIS in patch 3
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 92abf750 759a0cc5

drivers/infiniband/hw/cxgb4/t4fw_ri_api.h

+0 −1
Original line number Diff line number Diff line
@@ -849,6 +849,5 @@ enum { /* TCP congestion control algorithms */ 
#define G_CONG_CNTRL(x) (((x) >> S_CONG_CNTRL) & M_CONG_CNTRL)



#define CONG_CNTRL_VALID   (1 << 18)

#define T5_OPT_2_VALID       (1 << 31)



#endif /* _T4FW_RI_API_H_ */

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

+6 −4
Original line number Diff line number Diff line
@@ -3445,7 +3445,7 @@ static int tid_init(struct tid_info *t) 
	return 0;

}



static int cxgb4_clip_get(const struct net_device *dev,

int cxgb4_clip_get(const struct net_device *dev,

		   const struct in6_addr *lip)

{

	struct adapter *adap;
@@ -3460,8 +3460,9 @@ static int cxgb4_clip_get(const struct net_device *dev, 
	c.ip_lo = *(__be64 *)(lip->s6_addr + 8);

	return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false);

}

EXPORT_SYMBOL(cxgb4_clip_get);



static int cxgb4_clip_release(const struct net_device *dev,

int cxgb4_clip_release(const struct net_device *dev,

		       const struct in6_addr *lip)

{

	struct adapter *adap;
@@ -3476,6 +3477,7 @@ static int cxgb4_clip_release(const struct net_device *dev, 
	c.ip_lo = *(__be64 *)(lip->s6_addr + 8);

	return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false);

}

EXPORT_SYMBOL(cxgb4_clip_release);



/**

 *	cxgb4_create_server - create an IP server

drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h

+4 −0
Original line number Diff line number Diff line
@@ -172,6 +172,10 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, 
			       unsigned char port, unsigned char mask);

int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid,

			       unsigned int queue, bool ipv6);

int cxgb4_clip_get(const struct net_device *dev, const struct in6_addr *lip);

int cxgb4_clip_release(const struct net_device *dev,

		       const struct in6_addr *lip);



static inline void set_wr_txq(struct sk_buff *skb, int prio, int queue)

{

	skb_set_queue_mapping(skb, (queue << 1) | prio);

drivers/net/ethernet/chelsio/cxgb4/t4_msg.h

+3 −0
Original line number Diff line number Diff line
@@ -270,12 +270,15 @@ struct cpl_pass_accept_rpl { 
#define RX_COALESCE_VALID(x) ((x) << 11)

#define RX_COALESCE(x)       ((x) << 12)

#define PACE(x)	      ((x) << 16)

#define RX_FC_VALID	     ((1U) << 19)

#define RX_FC_DISABLE	     ((1U) << 20)

#define TX_QUEUE(x)          ((x) << 23)

#define RX_CHANNEL(x)        ((x) << 26)

#define CCTRL_ECN(x)         ((x) << 27)

#define WND_SCALE_EN(x)      ((x) << 28)

#define TSTAMPS_EN(x)        ((x) << 29)

#define SACK_EN(x)           ((x) << 30)

#define T5_OPT_2_VALID	     ((1U) << 31)

	__be64 opt0;

};

drivers/scsi/cxgbi/cxgb4i/cxgb4i.c

+314 −39
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <net/tcp.h>

#include <net/dst.h>

#include <linux/netdevice.h>

#include <net/addrconf.h>



#include "t4_regs.h"

#include "t4_msg.h"
@@ -150,6 +151,7 @@ static struct scsi_transport_template *cxgb4i_stt; 
 * The section below implments CPLs that related to iscsi tcp connection

 * open/close/abort and data send/receive.

 */



#define DIV_ROUND_UP(n, d)	(((n) + (d) - 1) / (d))

#define RCV_BUFSIZ_MASK		0x3FFU

#define MAX_IMM_TX_PKT_LEN	128
@@ -179,6 +181,7 @@ static void send_act_open_req(struct cxgbi_sock *csk, struct sk_buff *skb, 
				struct l2t_entry *e)

{

	struct cxgb4_lld_info *lldi = cxgbi_cdev_priv(csk->cdev);

	int t4 = is_t4(lldi->adapter_type);

	int wscale = cxgbi_sock_compute_wscale(csk->mss_idx);

	unsigned long long opt0;

	unsigned int opt2;
@@ -248,6 +251,97 @@ static void send_act_open_req(struct cxgbi_sock *csk, struct sk_buff *skb, 
	}



	set_wr_txq(skb, CPL_PRIORITY_SETUP, csk->port_id);



	pr_info_ipaddr("t%d csk 0x%p,%u,0x%lx,%u, rss_qid %u.\n",

		       (&csk->saddr), (&csk->daddr), t4 ? 4 : 5, csk,

		       csk->state, csk->flags, csk->atid, csk->rss_qid);



	cxgb4_l2t_send(csk->cdev->ports[csk->port_id], skb, csk->l2t);

}



static void send_act_open_req6(struct cxgbi_sock *csk, struct sk_buff *skb,

			       struct l2t_entry *e)

{

	struct cxgb4_lld_info *lldi = cxgbi_cdev_priv(csk->cdev);

	int t4 = is_t4(lldi->adapter_type);

	int wscale = cxgbi_sock_compute_wscale(csk->mss_idx);

	unsigned long long opt0;

	unsigned int opt2;

	unsigned int qid_atid = ((unsigned int)csk->atid) |

				 (((unsigned int)csk->rss_qid) << 14);



	opt0 = KEEP_ALIVE(1) |

		WND_SCALE(wscale) |

		MSS_IDX(csk->mss_idx) |

		L2T_IDX(((struct l2t_entry *)csk->l2t)->idx) |

		TX_CHAN(csk->tx_chan) |

		SMAC_SEL(csk->smac_idx) |

		ULP_MODE(ULP_MODE_ISCSI) |

		RCV_BUFSIZ(cxgb4i_rcv_win >> 10);



	opt2 = RX_CHANNEL(0) |

		RSS_QUEUE_VALID |

		RX_FC_DISABLE |

		RSS_QUEUE(csk->rss_qid);



	if (t4) {

		struct cpl_act_open_req6 *req =

			    (struct cpl_act_open_req6 *)skb->head;



		INIT_TP_WR(req, 0);

		OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ6,

							    qid_atid));

		req->local_port = csk->saddr6.sin6_port;

		req->peer_port = csk->daddr6.sin6_port;



		req->local_ip_hi = *(__be64 *)(csk->saddr6.sin6_addr.s6_addr);

		req->local_ip_lo = *(__be64 *)(csk->saddr6.sin6_addr.s6_addr +

								    8);

		req->peer_ip_hi = *(__be64 *)(csk->daddr6.sin6_addr.s6_addr);

		req->peer_ip_lo = *(__be64 *)(csk->daddr6.sin6_addr.s6_addr +

								    8);



		req->opt0 = cpu_to_be64(opt0);



		opt2 |= RX_FC_VALID;

		req->opt2 = cpu_to_be32(opt2);



		req->params = cpu_to_be32(cxgb4_select_ntuple(

					  csk->cdev->ports[csk->port_id],

					  csk->l2t));

	} else {

		struct cpl_t5_act_open_req6 *req =

				(struct cpl_t5_act_open_req6 *)skb->head;



		INIT_TP_WR(req, 0);

		OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ6,

							    qid_atid));

		req->local_port = csk->saddr6.sin6_port;

		req->peer_port = csk->daddr6.sin6_port;

		req->local_ip_hi = *(__be64 *)(csk->saddr6.sin6_addr.s6_addr);

		req->local_ip_lo = *(__be64 *)(csk->saddr6.sin6_addr.s6_addr +

									8);

		req->peer_ip_hi = *(__be64 *)(csk->daddr6.sin6_addr.s6_addr);

		req->peer_ip_lo = *(__be64 *)(csk->daddr6.sin6_addr.s6_addr +

									8);

		req->opt0 = cpu_to_be64(opt0);



		opt2 |= T5_OPT_2_VALID;

		req->opt2 = cpu_to_be32(opt2);



		req->params = cpu_to_be64(V_FILTER_TUPLE(cxgb4_select_ntuple(

					  csk->cdev->ports[csk->port_id],

					  csk->l2t)));

	}



	set_wr_txq(skb, CPL_PRIORITY_SETUP, csk->port_id);



	pr_info("t%d csk 0x%p,%u,0x%lx,%u, [%pI6]:%u-[%pI6]:%u, rss_qid %u.\n",

		t4 ? 4 : 5, csk, csk->state, csk->flags, csk->atid,

		&csk->saddr6.sin6_addr, ntohs(csk->saddr.sin_port),

		&csk->daddr6.sin6_addr, ntohs(csk->daddr.sin_port),

		csk->rss_qid);



	cxgb4_l2t_send(csk->cdev->ports[csk->port_id], skb, csk->l2t);

}
@@ -586,9 +680,11 @@ static void do_act_establish(struct cxgbi_device *cdev, struct sk_buff *skb) 
		goto rel_skb;

	}



	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"csk 0x%p,%u,0x%lx, tid %u, atid %u, rseq %u.\n",

		csk, csk->state, csk->flags, tid, atid, rcv_isn);

	pr_info_ipaddr("atid 0x%x, tid 0x%x, csk 0x%p,%u,0x%lx, isn %u.\n",

		       (&csk->saddr), (&csk->daddr),

		       atid, tid, csk, csk->state, csk->flags, rcv_isn);



	module_put(THIS_MODULE);



	cxgbi_sock_get(csk);

	csk->tid = tid;
@@ -663,6 +759,9 @@ static void csk_act_open_retry_timer(unsigned long data) 
	struct sk_buff *skb;

	struct cxgbi_sock *csk = (struct cxgbi_sock *)data;

	struct cxgb4_lld_info *lldi = cxgbi_cdev_priv(csk->cdev);

	void (*send_act_open_func)(struct cxgbi_sock *, struct sk_buff *,

				   struct l2t_entry *);

	int t4 = is_t4(lldi->adapter_type), size, size6;



	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"csk 0x%p,%u,0x%lx,%u.\n",
@@ -670,20 +769,35 @@ static void csk_act_open_retry_timer(unsigned long data) 


	cxgbi_sock_get(csk);

	spin_lock_bh(&csk->lock);

	skb = alloc_wr(is_t4(lldi->adapter_type) ?

				sizeof(struct cpl_act_open_req) :

				sizeof(struct cpl_t5_act_open_req),

			0, GFP_ATOMIC);



	if (t4) {

		size = sizeof(struct cpl_act_open_req);

		size6 = sizeof(struct cpl_act_open_req6);

	} else {

		size = sizeof(struct cpl_t5_act_open_req);

		size6 = sizeof(struct cpl_t5_act_open_req6);

	}



	if (csk->csk_family == AF_INET) {

		send_act_open_func = send_act_open_req;

		skb = alloc_wr(size, 0, GFP_ATOMIC);

	} else {

		send_act_open_func = send_act_open_req6;

		skb = alloc_wr(size6, 0, GFP_ATOMIC);

	}



	if (!skb)

		cxgbi_sock_fail_act_open(csk, -ENOMEM);

	else {

		skb->sk = (struct sock *)csk;

		t4_set_arp_err_handler(skb, csk,

				       cxgbi_sock_act_open_req_arp_failure);

		send_act_open_req(csk, skb, csk->l2t);

		send_act_open_func(csk, skb, csk->l2t);

	}



	spin_unlock_bh(&csk->lock);

	cxgbi_sock_put(csk);



}



static void do_act_open_rpl(struct cxgbi_device *cdev, struct sk_buff *skb)
@@ -703,9 +817,8 @@ static void do_act_open_rpl(struct cxgbi_device *cdev, struct sk_buff *skb) 
		goto rel_skb;

	}



	pr_info("%pI4:%u-%pI4:%u, atid %u,%u, status %u, csk 0x%p,%u,0x%lx.\n",

		&csk->saddr.sin_addr.s_addr, ntohs(csk->saddr.sin_port),

		&csk->daddr.sin_addr.s_addr, ntohs(csk->daddr.sin_port),

	pr_info_ipaddr("tid %u/%u, status %u.\n"

		       "csk 0x%p,%u,0x%lx. ", (&csk->saddr), (&csk->daddr),

		       atid, tid, status, csk, csk->state, csk->flags);



	if (status == CPL_ERR_RTX_NEG_ADVICE)
@@ -746,8 +859,8 @@ static void do_peer_close(struct cxgbi_device *cdev, struct sk_buff *skb) 
		pr_err("can't find connection for tid %u.\n", tid);

		goto rel_skb;

	}

	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"csk 0x%p,%u,0x%lx,%u.\n",

	pr_info_ipaddr("csk 0x%p,%u,0x%lx,%u.\n",

		       (&csk->saddr), (&csk->daddr),

		       csk, csk->state, csk->flags, csk->tid);

	cxgbi_sock_rcv_peer_close(csk);

rel_skb:
@@ -767,8 +880,8 @@ static void do_close_con_rpl(struct cxgbi_device *cdev, struct sk_buff *skb) 
		pr_err("can't find connection for tid %u.\n", tid);

		goto rel_skb;

	}

	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"csk 0x%p,%u,0x%lx,%u.\n",

	pr_info_ipaddr("csk 0x%p,%u,0x%lx,%u.\n",

		       (&csk->saddr), (&csk->daddr),

		       csk, csk->state, csk->flags, csk->tid);

	cxgbi_sock_rcv_close_conn_rpl(csk, ntohl(rpl->snd_nxt));

rel_skb:
@@ -808,8 +921,8 @@ static void do_abort_req_rss(struct cxgbi_device *cdev, struct sk_buff *skb) 
		goto rel_skb;

	}



	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"csk 0x%p,%u,0x%lx, tid %u, status 0x%x.\n",

	pr_info_ipaddr("csk 0x%p,%u,0x%lx,%u, status %u.\n",

		       (&csk->saddr), (&csk->daddr),

		       csk, csk->state, csk->flags, csk->tid, req->status);



	if (req->status == CPL_ERR_RTX_NEG_ADVICE ||
@@ -851,10 +964,10 @@ static void do_abort_rpl_rss(struct cxgbi_device *cdev, struct sk_buff *skb) 
	if (!csk)

		goto rel_skb;



	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"status 0x%x, csk 0x%p, s %u, 0x%lx.\n",

		rpl->status, csk, csk ? csk->state : 0,

		csk ? csk->flags : 0UL);

	if (csk)

		pr_info_ipaddr("csk 0x%p,%u,0x%lx,%u, status %u.\n",

			       (&csk->saddr), (&csk->daddr), csk,

			       csk->state, csk->flags, csk->tid, rpl->status);



	if (rpl->status == CPL_ERR_ABORT_FAILED)

		goto rel_skb;
@@ -1163,15 +1276,29 @@ static int init_act_open(struct cxgbi_sock *csk) 
	struct cxgbi_device *cdev = csk->cdev;

	struct cxgb4_lld_info *lldi = cxgbi_cdev_priv(cdev);

	struct net_device *ndev = cdev->ports[csk->port_id];

	struct port_info *pi = netdev_priv(ndev);

	struct sk_buff *skb = NULL;

	struct neighbour *n;

	struct neighbour *n = NULL;

	void *daddr;

	unsigned int step;

	unsigned int size, size6;

	int t4 = is_t4(lldi->adapter_type);



	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"csk 0x%p,%u,0x%lx,%u.\n",

		csk, csk->state, csk->flags, csk->tid);



	if (csk->csk_family == AF_INET)

		daddr = &csk->daddr.sin_addr.s_addr;

	else

		daddr = &csk->daddr6.sin6_addr;



	n = dst_neigh_lookup(csk->dst, daddr);



	if (!n) {

		pr_err("%s, can't get neighbour of csk->dst.\n", ndev->name);

		goto rel_resource;

	}



	csk->atid = cxgb4_alloc_atid(lldi->tids, csk);

	if (csk->atid < 0) {

		pr_err("%s, NO atid available.\n", ndev->name);
@@ -1192,10 +1319,19 @@ static int init_act_open(struct cxgbi_sock *csk) 
	}

	cxgbi_sock_get(csk);



	skb = alloc_wr(is_t4(lldi->adapter_type) ?

				sizeof(struct cpl_act_open_req) :

				sizeof(struct cpl_t5_act_open_req),

			0, GFP_ATOMIC);

	if (t4) {

		size = sizeof(struct cpl_act_open_req);

		size6 = sizeof(struct cpl_act_open_req6);

	} else {

		size = sizeof(struct cpl_t5_act_open_req);

		size6 = sizeof(struct cpl_t5_act_open_req6);

	}



	if (csk->csk_family == AF_INET)

		skb = alloc_wr(size, 0, GFP_NOIO);

	else

		skb = alloc_wr(size6, 0, GFP_NOIO);



	if (!skb)

		goto rel_resource;

	skb->sk = (struct sock *)csk;
@@ -1211,19 +1347,27 @@ static int init_act_open(struct cxgbi_sock *csk) 
	csk->txq_idx = cxgb4_port_idx(ndev) * step;

	step = lldi->nrxq / lldi->nchan;

	csk->rss_qid = lldi->rxq_ids[cxgb4_port_idx(ndev) * step];

	csk->wr_max_cred = csk->wr_cred = lldi->wr_cred;

	csk->wr_cred = lldi->wr_cred -

		       DIV_ROUND_UP(sizeof(struct cpl_abort_req), 16);

	csk->wr_max_cred = csk->wr_cred;

	csk->wr_una_cred = 0;

	cxgbi_sock_reset_wr_list(csk);

	csk->err = 0;

	log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,

		"csk 0x%p,p%d,%s, %u,%u,%u, mss %u,%u, smac %u.\n",

		csk, pi->port_id, ndev->name, csk->tx_chan,

		csk->txq_idx, csk->rss_qid, csk->mtu, csk->mss_idx,

		csk->smac_idx);



	pr_info_ipaddr("csk 0x%p,%u,0x%lx,%u,%u,%u, mtu %u,%u, smac %u.\n",

		       (&csk->saddr), (&csk->daddr), csk, csk->state,

		       csk->flags, csk->tx_chan, csk->txq_idx, csk->rss_qid,

		       csk->mtu, csk->mss_idx, csk->smac_idx);



	/* must wait for either a act_open_rpl or act_open_establish */

	try_module_get(THIS_MODULE);

	cxgbi_sock_set_state(csk, CTP_ACTIVE_OPEN);

	if (csk->csk_family == AF_INET)

		send_act_open_req(csk, skb, csk->l2t);

	else

		send_act_open_req6(csk, skb, csk->l2t);

	neigh_release(n);



	return 0;



rel_resource:
@@ -1487,6 +1631,131 @@ static int cxgb4i_ddp_init(struct cxgbi_device *cdev) 
	return 0;

}



static int cxgbi_inet6addr_handler(struct notifier_block *this,

				   unsigned long event, void *data)

{

	struct inet6_ifaddr *ifa = data;

	struct net_device *event_dev = ifa->idev->dev;

	struct cxgbi_device *cdev;

	int ret = NOTIFY_DONE;



	rcu_read_lock();



	if (event_dev->priv_flags & IFF_802_1Q_VLAN)

		event_dev = vlan_dev_real_dev(event_dev);



	cdev = cxgbi_device_find_by_netdev(event_dev, NULL);

	if (!cdev) {

		rcu_read_unlock();

		return ret;

	}

	switch (event) {

	case NETDEV_UP:

		ret = cxgb4_clip_get(event_dev,

				     (const struct in6_addr *)

				     ((ifa)->addr.s6_addr));

		if (ret < 0) {

			rcu_read_unlock();

			return ret;

		}

		ret = NOTIFY_OK;

		break;



	case NETDEV_DOWN:

		cxgb4_clip_release(event_dev,

				   (const struct in6_addr *)

				   ((ifa)->addr.s6_addr));

		ret = NOTIFY_OK;

		break;



	default:

		break;

	}



	rcu_read_unlock();

	return ret;

}



static struct notifier_block cxgbi_inet6addr_notifier = {

	.notifier_call = cxgbi_inet6addr_handler

};



/* Retrieve IPv6 addresses from a root device (bond, vlan) associated with

 * a physical device.

 * The physical device reference is needed to send the actual CLIP command.

 */

static int update_dev_clip(struct net_device *root_dev, struct net_device *dev)

{

	struct inet6_dev *idev = NULL;

	struct inet6_ifaddr *ifa;

	int ret = 0;



	idev = __in6_dev_get(root_dev);

	if (!idev)

		return ret;



	read_lock_bh(&idev->lock);

	list_for_each_entry(ifa, &idev->addr_list, if_list) {

		pr_info("updating the clip for addr %pI6\n",

			ifa->addr.s6_addr);

		ret = cxgb4_clip_get(dev, (const struct in6_addr *)

				     ifa->addr.s6_addr);

		if (ret < 0)

			break;

	}



	read_unlock_bh(&idev->lock);

	return ret;

}



static int update_root_dev_clip(struct net_device *dev)

{

	struct net_device *root_dev = NULL;

	int i, ret = 0;



	/* First populate the real net device's IPv6 address */

	ret = update_dev_clip(dev, dev);

	if (ret)

		return ret;



	/* Parse all bond and vlan devices layered on top of the physical dev */

	root_dev = netdev_master_upper_dev_get(dev);

	if (root_dev) {

		ret = update_dev_clip(root_dev, dev);

		if (ret)

			return ret;

	}



	for (i = 0; i < VLAN_N_VID; i++) {

		root_dev = __vlan_find_dev_deep_rcu(dev, htons(ETH_P_8021Q), i);

		if (!root_dev)

			continue;



		ret = update_dev_clip(root_dev, dev);

		if (ret)

			break;

	}

	return ret;

}



static void cxgbi_update_clip(struct cxgbi_device *cdev)

{

	int i;



	rcu_read_lock();



	for (i = 0; i < cdev->nports; i++) {

		struct net_device *dev = cdev->ports[i];

		int ret = 0;



		if (dev)

			ret = update_root_dev_clip(dev);

		if (ret < 0)

			break;

	}

	rcu_read_unlock();

}



static void *t4_uld_add(const struct cxgb4_lld_info *lldi)

{

	struct cxgbi_device *cdev;
@@ -1605,6 +1874,7 @@ static int t4_uld_state_change(void *handle, enum cxgb4_state state) 
	switch (state) {

	case CXGB4_STATE_UP:

		pr_info("cdev 0x%p, UP.\n", cdev);

		cxgbi_update_clip(cdev);

		/* re-initialize */

		break;

	case CXGB4_STATE_START_RECOVERY:
@@ -1635,11 +1905,16 @@ static int __init cxgb4i_init_module(void) 
	if (rc < 0)

		return rc;

	cxgb4_register_uld(CXGB4_ULD_ISCSI, &cxgb4i_uld_info);



	register_inet6addr_notifier(&cxgbi_inet6addr_notifier);



	return 0;

}



static void __exit cxgb4i_exit_module(void)

{

	unregister_inet6addr_notifier(&cxgbi_inet6addr_notifier);



	cxgb4_unregister_uld(CXGB4_ULD_ISCSI);

	cxgbi_device_unregister_all(CXGBI_FLAG_DEV_T4);

	cxgbi_iscsi_cleanup(&cxgb4i_iscsi_transport, &cxgb4i_stt);

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