diff options
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/cxgb3i/cxgb3i.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/cxgb3i/cxgb3i_iscsi.c | 25 | ||||
| -rw-r--r-- | drivers/scsi/cxgb3i/cxgb3i_offload.c | 23 | ||||
| -rw-r--r-- | drivers/scsi/cxgb3i/cxgb3i_offload.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/scsi_transport_iscsi.c | 51 | ||||
| -rw-r--r-- | include/scsi/iscsi_if.h | 7 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 3 |
8 files changed, 87 insertions, 29 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 75223f5..ffbe0c7 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -517,7 +517,8 @@ iscsi_iser_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *s } static struct iscsi_endpoint * -iscsi_iser_ep_connect(struct sockaddr *dst_addr, int non_blocking) +iscsi_iser_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, + int non_blocking) { int err; struct iser_conn *ib_conn; diff --git a/drivers/scsi/cxgb3i/cxgb3i.h b/drivers/scsi/cxgb3i/cxgb3i.h index 59b0958..e3133b5 100644 --- a/drivers/scsi/cxgb3i/cxgb3i.h +++ b/drivers/scsi/cxgb3i/cxgb3i.h @@ -144,7 +144,6 @@ struct cxgb3i_adapter *cxgb3i_adapter_find_by_tdev(struct t3cdev *); void cxgb3i_adapter_open(struct t3cdev *); void cxgb3i_adapter_close(struct t3cdev *); -struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *); struct cxgb3i_hba *cxgb3i_hba_host_add(struct cxgb3i_adapter *, struct net_device *); void cxgb3i_hba_host_remove(struct cxgb3i_hba *); diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index 9212400..04a4374 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -178,7 +178,7 @@ void cxgb3i_adapter_close(struct t3cdev *t3dev) * cxgb3i_hba_find_by_netdev - find the cxgb3i_hba structure via net_device * @t3dev: t3cdev adapter */ -struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *ndev) +static struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *ndev) { struct cxgb3i_adapter *snic; int i; @@ -261,20 +261,27 @@ void cxgb3i_hba_host_remove(struct cxgb3i_hba *hba) /** * cxgb3i_ep_connect - establish TCP connection to target portal + * @shost: scsi host to use * @dst_addr: target IP address * @non_blocking: blocking or non-blocking call * * Initiates a TCP/IP connection to the dst_addr */ -static struct iscsi_endpoint *cxgb3i_ep_connect(struct sockaddr *dst_addr, +static struct iscsi_endpoint *cxgb3i_ep_connect(struct Scsi_Host *shost, + struct sockaddr *dst_addr, int non_blocking) { struct iscsi_endpoint *ep; struct cxgb3i_endpoint *cep; - struct cxgb3i_hba *hba; + struct cxgb3i_hba *hba = NULL; struct s3_conn *c3cn = NULL; int err = 0; + if (shost) + hba = iscsi_host_priv(shost); + + cxgb3i_api_debug("shost 0x%p, hba 0x%p.\n", shost, hba); + c3cn = cxgb3i_c3cn_create(); if (!c3cn) { cxgb3i_log_info("ep connect OOM.\n"); @@ -282,17 +289,27 @@ static struct iscsi_endpoint *cxgb3i_ep_connect(struct sockaddr *dst_addr, goto release_conn; } - err = cxgb3i_c3cn_connect(c3cn, (struct sockaddr_in *)dst_addr); + err = cxgb3i_c3cn_connect(hba ? hba->ndev : NULL, c3cn, + (struct sockaddr_in *)dst_addr); if (err < 0) { cxgb3i_log_info("ep connect failed.\n"); goto release_conn; } + hba = cxgb3i_hba_find_by_netdev(c3cn->dst_cache->dev); if (!hba) { err = -ENOSPC; cxgb3i_log_info("NOT going through cxgbi device.\n"); goto release_conn; } + + if (shost && hba != iscsi_host_priv(shost)) { + err = -ENOSPC; + cxgb3i_log_info("Could not connect through request host%u\n", + shost->host_no); + goto release_conn; + } + if (c3cn_is_closing(c3cn)) { err = -ENOSPC; cxgb3i_log_info("ep connect unable to connect.\n"); diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c index e11c9c1..c1d5be4 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.c +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c @@ -1479,12 +1479,13 @@ static struct net_device *cxgb3_egress_dev(struct net_device *root_dev, return NULL; } -static struct rtable *find_route(__be32 saddr, __be32 daddr, +static struct rtable *find_route(struct net_device *dev, + __be32 saddr, __be32 daddr, __be16 sport, __be16 dport) { struct rtable *rt; struct flowi fl = { - .oif = 0, + .oif = dev ? dev->ifindex : 0, .nl_u = { .ip4_u = { .daddr = daddr, @@ -1573,36 +1574,40 @@ out_err: * * return 0 if active open request is sent, < 0 otherwise. */ -int cxgb3i_c3cn_connect(struct s3_conn *c3cn, struct sockaddr_in *usin) +int cxgb3i_c3cn_connect(struct net_device *dev, struct s3_conn *c3cn, + struct sockaddr_in *usin) { struct rtable *rt; - struct net_device *dev; struct cxgb3i_sdev_data *cdata; struct t3cdev *cdev; __be32 sipv4; int err; + c3cn_conn_debug("c3cn 0x%p, dev 0x%p.\n", c3cn, dev); + if (usin->sin_family != AF_INET) return -EAFNOSUPPORT; c3cn->daddr.sin_port = usin->sin_port; c3cn->daddr.sin_addr.s_addr = usin->sin_addr.s_addr; - rt = find_route(c3cn->saddr.sin_addr.s_addr, + rt = find_route(dev, c3cn->saddr.sin_addr.s_addr, c3cn->daddr.sin_addr.s_addr, c3cn->saddr.sin_port, c3cn->daddr.sin_port); if (rt == NULL) { - c3cn_conn_debug("NO route to 0x%x, port %u.\n", + c3cn_conn_debug("NO route to 0x%x, port %u, dev %s.\n", c3cn->daddr.sin_addr.s_addr, - ntohs(c3cn->daddr.sin_port)); + ntohs(c3cn->daddr.sin_port), + dev ? dev->name : "any"); return -ENETUNREACH; } if (rt->rt_flags & (RTCF_MULTICAST | RTCF_BROADCAST)) { - c3cn_conn_debug("multi-cast route to 0x%x, port %u.\n", + c3cn_conn_debug("multi-cast route to 0x%x, port %u, dev %s.\n", c3cn->daddr.sin_addr.s_addr, - ntohs(c3cn->daddr.sin_port)); + ntohs(c3cn->daddr.sin_port), + dev ? dev->name : "any"); ip_rt_put(rt); return -ENETUNREACH; } diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.h b/drivers/scsi/cxgb3i/cxgb3i_offload.h index ebfca96..6a1d86b 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.h +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.h @@ -169,7 +169,8 @@ void cxgb3i_sdev_add(struct t3cdev *, struct cxgb3_client *); void cxgb3i_sdev_remove(struct t3cdev *); struct s3_conn *cxgb3i_c3cn_create(void); -int cxgb3i_c3cn_connect(struct s3_conn *, struct sockaddr_in *); +int cxgb3i_c3cn_connect(struct net_device *, struct s3_conn *, + struct sockaddr_in *); void cxgb3i_c3cn_rx_credits(struct s3_conn *, int); int cxgb3i_c3cn_send_pdus(struct s3_conn *, struct sk_buff *); void cxgb3i_c3cn_release(struct s3_conn *); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 0a2ce7b..d69a53a 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1268,26 +1268,54 @@ iscsi_set_param(struct iscsi_transport *transport, struct iscsi_uevent *ev) return err; } +static int iscsi_if_ep_connect(struct iscsi_transport *transport, + struct iscsi_uevent *ev, int msg_type) +{ + struct iscsi_endpoint *ep; + struct sockaddr *dst_addr; + struct Scsi_Host *shost = NULL; + int non_blocking, err = 0; + + if (!transport->ep_connect) + return -EINVAL; + + if (msg_type == ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST) { + shost = scsi_host_lookup(ev->u.ep_connect_through_host.host_no); + if (!shost) { + printk(KERN_ERR "ep connect failed. Could not find " + "host no %u\n", + ev->u.ep_connect_through_host.host_no); + return -ENODEV; + } + non_blocking = ev->u.ep_connect_through_host.non_blocking; + } else + non_blocking = ev->u.ep_connect.non_blocking; + + dst_addr = (struct sockaddr *)((char*)ev + sizeof(*ev)); + ep = transport->ep_connect(shost, dst_addr, non_blocking); + if (IS_ERR(ep)) { + err = PTR_ERR(ep); + goto release_host; + } + + ev->r.ep_connect_ret.handle = ep->id; +release_host: + if (shost) + scsi_host_put(shost); + return err; +} + static int iscsi_if_transport_ep(struct iscsi_transport *transport, struct iscsi_uevent *ev, int msg_type) { struct iscsi_endpoint *ep; - struct sockaddr *dst_addr; int rc = 0; switch (msg_type) { + case ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST: case ISCSI_UEVENT_TRANSPORT_EP_CONNECT: - if (!transport->ep_connect) - return -EINVAL; - - dst_addr = (struct sockaddr *)((char*)ev + sizeof(*ev)); - ep = transport->ep_connect(dst_addr, - ev->u.ep_connect.non_blocking); - if (IS_ERR(ep)) - return PTR_ERR(ep); - - ev->r.ep_connect_ret.handle = ep->id; + rc = iscsi_if_ep_connect(transport, ev, msg_type); break; case ISCSI_UEVENT_TRANSPORT_EP_POLL: if (!transport->ep_poll) @@ -1469,6 +1497,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) case ISCSI_UEVENT_TRANSPORT_EP_CONNECT: case ISCSI_UEVENT_TRANSPORT_EP_POLL: case ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT: + case ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST: err = iscsi_if_transport_ep(transport, ev, nlh->nlmsg_type); break; case ISCSI_UEVENT_TGT_DSCVR: diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index d0ed522..2c1a4af 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -50,7 +50,8 @@ enum iscsi_uevent_e { ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15, ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16, ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17, - ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, + ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, + ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19, /* up events */ ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, @@ -131,6 +132,10 @@ struct iscsi_uevent { struct msg_transport_connect { uint32_t non_blocking; } ep_connect; + struct msg_transport_connect_through_host { + uint32_t host_no; + uint32_t non_blocking; + } ep_connect_through_host; struct msg_transport_poll { uint64_t ep_handle; uint32_t timeout_ms; diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 457588e..8cb7a31d 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -126,7 +126,8 @@ struct iscsi_transport { int *index, int *age); void (*session_recovery_timedout) (struct iscsi_cls_session *session); - struct iscsi_endpoint *(*ep_connect) (struct sockaddr *dst_addr, + struct iscsi_endpoint *(*ep_connect) (struct Scsi_Host *shost, + struct sockaddr *dst_addr, int non_blocking); int (*ep_poll) (struct iscsi_endpoint *ep, int timeout_ms); void (*ep_disconnect) (struct iscsi_endpoint *ep); |
