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-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_cm.c151
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_cm.h3
2 files changed, 78 insertions, 76 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
index b7215448bb63..5230dd3c938c 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c
@@ -1504,23 +1504,40 @@ static void i40iw_add_hte_node(struct i40iw_cm_core *cm_core,
}
/**
- * listen_port_in_use - determine if port is in use
- * @port: Listen port number
+ * i40iw_port_in_use - determine if port is in use
+ * @port: port number
+ * @active_side: flag for listener side vs active side
*/
-static bool i40iw_listen_port_in_use(struct i40iw_cm_core *cm_core, u16 port)
+static bool i40iw_port_in_use(struct i40iw_cm_core *cm_core, u16 port, bool active_side)
{
struct i40iw_cm_listener *listen_node;
+ struct i40iw_cm_node *cm_node;
unsigned long flags;
bool ret = false;
- spin_lock_irqsave(&cm_core->listen_list_lock, flags);
- list_for_each_entry(listen_node, &cm_core->listen_nodes, list) {
- if (listen_node->loc_port == port) {
- ret = true;
- break;
+ if (active_side) {
+ /* search connected node list */
+ spin_lock_irqsave(&cm_core->ht_lock, flags);
+ list_for_each_entry(cm_node, &cm_core->connected_nodes, list) {
+ if (cm_node->loc_port == port) {
+ ret = true;
+ break;
+ }
+ }
+ if (!ret)
+ clear_bit(port, cm_core->active_side_ports);
+ spin_unlock_irqrestore(&cm_core->ht_lock, flags);
+ } else {
+ spin_lock_irqsave(&cm_core->listen_list_lock, flags);
+ list_for_each_entry(listen_node, &cm_core->listen_nodes, list) {
+ if (listen_node->loc_port == port) {
+ ret = true;
+ break;
+ }
}
+ spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
}
- spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
+
return ret;
}
@@ -1868,7 +1885,7 @@ static int i40iw_dec_refcnt_listen(struct i40iw_cm_core *cm_core,
spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
if (listener->iwdev) {
- if (apbvt_del && !i40iw_listen_port_in_use(cm_core, listener->loc_port))
+ if (apbvt_del && !i40iw_port_in_use(cm_core, listener->loc_port, false))
i40iw_manage_apbvt(listener->iwdev,
listener->loc_port,
I40IW_MANAGE_APBVT_DEL);
@@ -2247,21 +2264,21 @@ static void i40iw_rem_ref_cm_node(struct i40iw_cm_node *cm_node)
if (cm_node->listener) {
i40iw_dec_refcnt_listen(cm_core, cm_node->listener, 0, true);
} else {
- if (!i40iw_listen_port_in_use(cm_core, cm_node->loc_port) &&
- cm_node->apbvt_set) {
+ if (!i40iw_port_in_use(cm_core, cm_node->loc_port, true) && cm_node->apbvt_set) {
i40iw_manage_apbvt(cm_node->iwdev,
cm_node->loc_port,
I40IW_MANAGE_APBVT_DEL);
- i40iw_get_addr_info(cm_node, &nfo);
- if (cm_node->qhash_set) {
- i40iw_manage_qhash(cm_node->iwdev,
- &nfo,
- I40IW_QHASH_TYPE_TCP_ESTABLISHED,
- I40IW_QHASH_MANAGE_TYPE_DELETE,
- NULL,
- false);
- cm_node->qhash_set = 0;
- }
+ cm_node->apbvt_set = 0;
+ }
+ i40iw_get_addr_info(cm_node, &nfo);
+ if (cm_node->qhash_set) {
+ i40iw_manage_qhash(cm_node->iwdev,
+ &nfo,
+ I40IW_QHASH_TYPE_TCP_ESTABLISHED,
+ I40IW_QHASH_MANAGE_TYPE_DELETE,
+ NULL,
+ false);
+ cm_node->qhash_set = 0;
}
}
@@ -3738,10 +3755,8 @@ int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
struct sockaddr_in *raddr;
struct sockaddr_in6 *laddr6;
struct sockaddr_in6 *raddr6;
- bool qhash_set = false;
- int apbvt_set = 0;
- int err = 0;
- enum i40iw_status_code status;
+ int ret = 0;
+ unsigned long flags;
ibqp = i40iw_get_qp(cm_id->device, conn_param->qpn);
if (!ibqp)
@@ -3790,32 +3805,6 @@ int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
cm_info.user_pri = rt_tos2priority(cm_id->tos);
i40iw_debug(&iwdev->sc_dev, I40IW_DEBUG_DCB, "%s TOS:[%d] UP:[%d]\n",
__func__, cm_id->tos, cm_info.user_pri);
- if ((cm_info.ipv4 && (laddr->sin_addr.s_addr != raddr->sin_addr.s_addr)) ||
- (!cm_info.ipv4 && memcmp(laddr6->sin6_addr.in6_u.u6_addr32,
- raddr6->sin6_addr.in6_u.u6_addr32,
- sizeof(laddr6->sin6_addr.in6_u.u6_addr32)))) {
- status = i40iw_manage_qhash(iwdev,
- &cm_info,
- I40IW_QHASH_TYPE_TCP_ESTABLISHED,
- I40IW_QHASH_MANAGE_TYPE_ADD,
- NULL,
- true);
- if (status)
- return -EINVAL;
- qhash_set = true;
- }
- status = i40iw_manage_apbvt(iwdev, cm_info.loc_port, I40IW_MANAGE_APBVT_ADD);
- if (status) {
- i40iw_manage_qhash(iwdev,
- &cm_info,
- I40IW_QHASH_TYPE_TCP_ESTABLISHED,
- I40IW_QHASH_MANAGE_TYPE_DELETE,
- NULL,
- false);
- return -EINVAL;
- }
-
- apbvt_set = 1;
cm_id->add_ref(cm_id);
cm_node = i40iw_create_cm_node(&iwdev->cm_core, iwdev,
conn_param->private_data_len,
@@ -3823,17 +3812,40 @@ int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
&cm_info);
if (IS_ERR(cm_node)) {
- err = PTR_ERR(cm_node);
- goto err_out;
+ ret = PTR_ERR(cm_node);
+ cm_id->rem_ref(cm_id);
+ return ret;
+ }
+
+ if ((cm_info.ipv4 && (laddr->sin_addr.s_addr != raddr->sin_addr.s_addr)) ||
+ (!cm_info.ipv4 && memcmp(laddr6->sin6_addr.in6_u.u6_addr32,
+ raddr6->sin6_addr.in6_u.u6_addr32,
+ sizeof(laddr6->sin6_addr.in6_u.u6_addr32)))) {
+ if (i40iw_manage_qhash(iwdev, &cm_info, I40IW_QHASH_TYPE_TCP_ESTABLISHED,
+ I40IW_QHASH_MANAGE_TYPE_ADD, NULL, true)) {
+ ret = -EINVAL;
+ goto err;
+ }
+ cm_node->qhash_set = true;
}
+ spin_lock_irqsave(&iwdev->cm_core.ht_lock, flags);
+ if (!test_and_set_bit(cm_info.loc_port, iwdev->cm_core.active_side_ports)) {
+ spin_unlock_irqrestore(&iwdev->cm_core.ht_lock, flags);
+ if (i40iw_manage_apbvt(iwdev, cm_info.loc_port, I40IW_MANAGE_APBVT_ADD)) {
+ ret = -EINVAL;
+ goto err;
+ }
+ } else {
+ spin_unlock_irqrestore(&iwdev->cm_core.ht_lock, flags);
+ }
+
+ cm_node->apbvt_set = true;
i40iw_record_ird_ord(cm_node, (u16)conn_param->ird, (u16)conn_param->ord);
if (cm_node->send_rdma0_op == SEND_RDMA_READ_ZERO &&
!cm_node->ord_size)
cm_node->ord_size = 1;
- cm_node->apbvt_set = apbvt_set;
- cm_node->qhash_set = qhash_set;
iwqp->cm_node = cm_node;
cm_node->iwqp = iwqp;
iwqp->cm_id = cm_id;
@@ -3841,11 +3853,9 @@ int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
if (cm_node->state != I40IW_CM_STATE_OFFLOADED) {
cm_node->state = I40IW_CM_STATE_SYN_SENT;
- err = i40iw_send_syn(cm_node, 0);
- if (err) {
- i40iw_rem_ref_cm_node(cm_node);
- goto err_out;
- }
+ ret = i40iw_send_syn(cm_node, 0);
+ if (ret)
+ goto err;
}
i40iw_debug(cm_node->dev,
@@ -3854,9 +3864,10 @@ int i40iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
cm_node->rem_port,
cm_node,
cm_node->cm_id);
+
return 0;
-err_out:
+err:
if (cm_info.ipv4)
i40iw_debug(&iwdev->sc_dev,
I40IW_DEBUG_CM,
@@ -3868,22 +3879,10 @@ err_out:
"Api - connect() FAILED: dest addr=%pI6",
cm_info.rem_addr);
- if (qhash_set)
- i40iw_manage_qhash(iwdev,
- &cm_info,
- I40IW_QHASH_TYPE_TCP_ESTABLISHED,
- I40IW_QHASH_MANAGE_TYPE_DELETE,
- NULL,
- false);
-
- if (apbvt_set && !i40iw_listen_port_in_use(&iwdev->cm_core,
- cm_info.loc_port))
- i40iw_manage_apbvt(iwdev,
- cm_info.loc_port,
- I40IW_MANAGE_APBVT_DEL);
+ i40iw_rem_ref_cm_node(cm_node);
cm_id->rem_ref(cm_id);
iwdev->cm_core.stats_connect_errs++;
- return err;
+ return ret;
}
/**
diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.h b/drivers/infiniband/hw/i40iw/i40iw_cm.h
index 8626e7f1fdd3..45abef76295b 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.h
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.h
@@ -71,6 +71,7 @@
#define I40IW_HW_IRD_SETTING_32 32
#define I40IW_HW_IRD_SETTING_64 64
+#define MAX_PORTS 65536
#define I40IW_VLAN_PRIO_SHIFT 13
enum ietf_mpa_flags {
@@ -413,6 +414,8 @@ struct i40iw_cm_core {
spinlock_t ht_lock; /* manage hash table */
spinlock_t listen_list_lock; /* listen list */
+ unsigned long active_side_ports[BITS_TO_LONGS(MAX_PORTS)];
+
u64 stats_nodes_created;
u64 stats_nodes_destroyed;
u64 stats_listen_created;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 09:11:58 +0000