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-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c17
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.h13
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_resource.c75
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_wr.h17
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch.c82
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch.h2
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.c11
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c14
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c42
9 files changed, 188 insertions, 85 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 72ed3396b721..a28e862f2d68 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -109,7 +109,6 @@ int cxio_hal_cq_op(struct cxio_rdev *rdev_p, struct t3_cq *cq,
while (!CQ_VLD_ENTRY(rptr, cq->size_log2, cqe)) {
udelay(1);
if (i++ > 1000000) {
- BUG_ON(1);
printk(KERN_ERR "%s: stalled rnic\n",
rdev_p->dev_name);
return -EIO;
@@ -155,7 +154,7 @@ static int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
return iwch_cxgb3_ofld_send(rdev_p->t3cdev_p, skb);
}
-int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
+int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel)
{
struct rdma_cq_setup setup;
int size = (1UL << (cq->size_log2)) * sizeof(struct t3_cqe);
@@ -163,12 +162,12 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
cq->cqid = cxio_hal_get_cqid(rdev_p->rscp);
if (!cq->cqid)
return -ENOMEM;
- cq->sw_queue = kzalloc(size, GFP_KERNEL);
- if (!cq->sw_queue)
- return -ENOMEM;
- cq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev),
- (1UL << (cq->size_log2)) *
- sizeof(struct t3_cqe),
+ if (kernel) {
+ cq->sw_queue = kzalloc(size, GFP_KERNEL);
+ if (!cq->sw_queue)
+ return -ENOMEM;
+ }
+ cq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev), size,
&(cq->dma_addr), GFP_KERNEL);
if (!cq->queue) {
kfree(cq->sw_queue);
@@ -589,7 +588,7 @@ static int cxio_hal_destroy_ctrl_qp(struct cxio_rdev *rdev_p)
/* write len bytes of data into addr (32B aligned address)
* If data is NULL, clear len byte of memory to zero.
- * caller aquires the ctrl_qp lock before the call
+ * caller acquires the ctrl_qp lock before the call
*/
static int cxio_hal_ctrl_qp_write_mem(struct cxio_rdev *rdev_p, u32 addr,
u32 len, void *data)
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h
index bfd03bf8be54..073373c2c560 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h
@@ -34,6 +34,7 @@
#include <linux/list.h>
#include <linux/mutex.h>
+#include <linux/kfifo.h>
#include "t3_cpl.h"
#include "t3cdev.h"
@@ -52,7 +53,7 @@
#define T3_MAX_PBL_SIZE 256
#define T3_MAX_RQ_SIZE 1024
#define T3_MAX_QP_DEPTH (T3_MAX_RQ_SIZE-1)
-#define T3_MAX_CQ_DEPTH 8192
+#define T3_MAX_CQ_DEPTH 262144
#define T3_MAX_NUM_STAG (1<<15)
#define T3_MAX_MR_SIZE 0x100000000ULL
#define T3_PAGESIZE_MASK 0xffff000 /* 4KB-128MB */
@@ -75,13 +76,13 @@ struct cxio_hal_ctrl_qp {
};
struct cxio_hal_resource {
- struct kfifo *tpt_fifo;
+ struct kfifo tpt_fifo;
spinlock_t tpt_fifo_lock;
- struct kfifo *qpid_fifo;
+ struct kfifo qpid_fifo;
spinlock_t qpid_fifo_lock;
- struct kfifo *cqid_fifo;
+ struct kfifo cqid_fifo;
spinlock_t cqid_fifo_lock;
- struct kfifo *pdid_fifo;
+ struct kfifo pdid_fifo;
spinlock_t pdid_fifo_lock;
};
@@ -156,7 +157,7 @@ int cxio_rdev_open(struct cxio_rdev *rdev);
void cxio_rdev_close(struct cxio_rdev *rdev);
int cxio_hal_cq_op(struct cxio_rdev *rdev, struct t3_cq *cq,
enum t3_cq_opcode op, u32 credit);
-int cxio_create_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
+int cxio_create_cq(struct cxio_rdev *rdev, struct t3_cq *cq, int kernel);
int cxio_destroy_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
int cxio_resize_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
void cxio_release_ucontext(struct cxio_rdev *rdev, struct cxio_ucontext *uctx);
diff --git a/drivers/infiniband/hw/cxgb3/cxio_resource.c b/drivers/infiniband/hw/cxgb3/cxio_resource.c
index bd233c087653..31f9201b2980 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_resource.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_resource.c
@@ -39,12 +39,12 @@
#include "cxio_resource.h"
#include "cxio_hal.h"
-static struct kfifo *rhdl_fifo;
+static struct kfifo rhdl_fifo;
static spinlock_t rhdl_fifo_lock;
#define RANDOM_SIZE 16
-static int __cxio_init_resource_fifo(struct kfifo **fifo,
+static int __cxio_init_resource_fifo(struct kfifo *fifo,
spinlock_t *fifo_lock,
u32 nr, u32 skip_low,
u32 skip_high,
@@ -55,12 +55,11 @@ static int __cxio_init_resource_fifo(struct kfifo **fifo,
u32 rarray[16];
spin_lock_init(fifo_lock);
- *fifo = kfifo_alloc(nr * sizeof(u32), GFP_KERNEL, fifo_lock);
- if (IS_ERR(*fifo))
+ if (kfifo_alloc(fifo, nr * sizeof(u32), GFP_KERNEL))
return -ENOMEM;
for (i = 0; i < skip_low + skip_high; i++)
- __kfifo_put(*fifo, (unsigned char *) &entry, sizeof(u32));
+ kfifo_in(fifo, (unsigned char *) &entry, sizeof(u32));
if (random) {
j = 0;
random_bytes = random32();
@@ -72,33 +71,35 @@ static int __cxio_init_resource_fifo(struct kfifo **fifo,
random_bytes = random32();
}
idx = (random_bytes >> (j * 2)) & 0xF;
- __kfifo_put(*fifo,
+ kfifo_in(fifo,
(unsigned char *) &rarray[idx],
sizeof(u32));
rarray[idx] = i;
j++;
}
for (i = 0; i < RANDOM_SIZE; i++)
- __kfifo_put(*fifo,
+ kfifo_in(fifo,
(unsigned char *) &rarray[i],
sizeof(u32));
} else
for (i = skip_low; i < nr - skip_high; i++)
- __kfifo_put(*fifo, (unsigned char *) &i, sizeof(u32));
+ kfifo_in(fifo, (unsigned char *) &i, sizeof(u32));
for (i = 0; i < skip_low + skip_high; i++)
- kfifo_get(*fifo, (unsigned char *) &entry, sizeof(u32));
+ if (kfifo_out_locked(fifo, (unsigned char *) &entry,
+ sizeof(u32), fifo_lock) != sizeof(u32))
+ break;
return 0;
}
-static int cxio_init_resource_fifo(struct kfifo **fifo, spinlock_t * fifo_lock,
+static int cxio_init_resource_fifo(struct kfifo *fifo, spinlock_t * fifo_lock,
u32 nr, u32 skip_low, u32 skip_high)
{
return (__cxio_init_resource_fifo(fifo, fifo_lock, nr, skip_low,
skip_high, 0));
}
-static int cxio_init_resource_fifo_random(struct kfifo **fifo,
+static int cxio_init_resource_fifo_random(struct kfifo *fifo,
spinlock_t * fifo_lock,
u32 nr, u32 skip_low, u32 skip_high)
{
@@ -113,15 +114,13 @@ static int cxio_init_qpid_fifo(struct cxio_rdev *rdev_p)
spin_lock_init(&rdev_p->rscp->qpid_fifo_lock);
- rdev_p->rscp->qpid_fifo = kfifo_alloc(T3_MAX_NUM_QP * sizeof(u32),
- GFP_KERNEL,
- &rdev_p->rscp->qpid_fifo_lock);
- if (IS_ERR(rdev_p->rscp->qpid_fifo))
+ if (kfifo_alloc(&rdev_p->rscp->qpid_fifo, T3_MAX_NUM_QP * sizeof(u32),
+ GFP_KERNEL))
return -ENOMEM;
for (i = 16; i < T3_MAX_NUM_QP; i++)
if (!(i & rdev_p->qpmask))
- __kfifo_put(rdev_p->rscp->qpid_fifo,
+ kfifo_in(&rdev_p->rscp->qpid_fifo,
(unsigned char *) &i, sizeof(u32));
return 0;
}
@@ -134,7 +133,7 @@ int cxio_hal_init_rhdl_resource(u32 nr_rhdl)
void cxio_hal_destroy_rhdl_resource(void)
{
- kfifo_free(rhdl_fifo);
+ kfifo_free(&rhdl_fifo);
}
/* nr_* must be power of 2 */
@@ -167,11 +166,11 @@ int cxio_hal_init_resource(struct cxio_rdev *rdev_p,
goto pdid_err;
return 0;
pdid_err:
- kfifo_free(rscp->cqid_fifo);
+ kfifo_free(&rscp->cqid_fifo);
cqid_err:
- kfifo_free(rscp->qpid_fifo);
+ kfifo_free(&rscp->qpid_fifo);
qpid_err:
- kfifo_free(rscp->tpt_fifo);
+ kfifo_free(&rscp->tpt_fifo);
tpt_err:
return -ENOMEM;
}
@@ -179,33 +178,37 @@ tpt_err:
/*
* returns 0 if no resource available
*/
-static u32 cxio_hal_get_resource(struct kfifo *fifo)
+static u32 cxio_hal_get_resource(struct kfifo *fifo, spinlock_t * lock)
{
u32 entry;
- if (kfifo_get(fifo, (unsigned char *) &entry, sizeof(u32)))
+ if (kfifo_out_locked(fifo, (unsigned char *) &entry, sizeof(u32), lock))
return entry;
else
return 0; /* fifo emptry */
}
-static void cxio_hal_put_resource(struct kfifo *fifo, u32 entry)
+static void cxio_hal_put_resource(struct kfifo *fifo, spinlock_t * lock,
+ u32 entry)
{
- BUG_ON(kfifo_put(fifo, (unsigned char *) &entry, sizeof(u32)) == 0);
+ BUG_ON(
+ kfifo_in_locked(fifo, (unsigned char *) &entry, sizeof(u32), lock)
+ == 0);
}
u32 cxio_hal_get_stag(struct cxio_hal_resource *rscp)
{
- return cxio_hal_get_resource(rscp->tpt_fifo);
+ return cxio_hal_get_resource(&rscp->tpt_fifo, &rscp->tpt_fifo_lock);
}
void cxio_hal_put_stag(struct cxio_hal_resource *rscp, u32 stag)
{
- cxio_hal_put_resource(rscp->tpt_fifo, stag);
+ cxio_hal_put_resource(&rscp->tpt_fifo, &rscp->tpt_fifo_lock, stag);
}
u32 cxio_hal_get_qpid(struct cxio_hal_resource *rscp)
{
- u32 qpid = cxio_hal_get_resource(rscp->qpid_fifo);
+ u32 qpid = cxio_hal_get_resource(&rscp->qpid_fifo,
+ &rscp->qpid_fifo_lock);
PDBG("%s qpid 0x%x\n", __func__, qpid);
return qpid;
}
@@ -213,35 +216,35 @@ u32 cxio_hal_get_qpid(struct cxio_hal_resource *rscp)
void cxio_hal_put_qpid(struct cxio_hal_resource *rscp, u32 qpid)
{
PDBG("%s qpid 0x%x\n", __func__, qpid);
- cxio_hal_put_resource(rscp->qpid_fifo, qpid);
+ cxio_hal_put_resource(&rscp->qpid_fifo, &rscp->qpid_fifo_lock, qpid);
}
u32 cxio_hal_get_cqid(struct cxio_hal_resource *rscp)
{
- return cxio_hal_get_resource(rscp->cqid_fifo);
+ return cxio_hal_get_resource(&rscp->cqid_fifo, &rscp->cqid_fifo_lock);
}
void cxio_hal_put_cqid(struct cxio_hal_resource *rscp, u32 cqid)
{
- cxio_hal_put_resource(rscp->cqid_fifo, cqid);
+ cxio_hal_put_resource(&rscp->cqid_fifo, &rscp->cqid_fifo_lock, cqid);
}
u32 cxio_hal_get_pdid(struct cxio_hal_resource *rscp)
{
- return cxio_hal_get_resource(rscp->pdid_fifo);
+ return cxio_hal_get_resource(&rscp->pdid_fifo, &rscp->pdid_fifo_lock);
}
void cxio_hal_put_pdid(struct cxio_hal_resource *rscp, u32 pdid)
{
- cxio_hal_put_resource(rscp->pdid_fifo, pdid);
+ cxio_hal_put_resource(&rscp->pdid_fifo, &rscp->pdid_fifo_lock, pdid);
}
void cxio_hal_destroy_resource(struct cxio_hal_resource *rscp)
{
- kfifo_free(rscp->tpt_fifo);
- kfifo_free(rscp->cqid_fifo);
- kfifo_free(rscp->qpid_fifo);
- kfifo_free(rscp->pdid_fifo);
+ kfifo_free(&rscp->tpt_fifo);
+ kfifo_free(&rscp->cqid_fifo);
+ kfifo_free(&rscp->qpid_fifo);
+ kfifo_free(&rscp->pdid_fifo);
kfree(rscp);
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index a197a5b7ac7f..15073b2da1c5 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -730,7 +730,22 @@ struct t3_cq {
static inline void cxio_set_wq_in_error(struct t3_wq *wq)
{
- wq->queue->wq_in_err.err = 1;
+ wq->queue->wq_in_err.err |= 1;
+}
+
+static inline void cxio_disable_wq_db(struct t3_wq *wq)
+{
+ wq->queue->wq_in_err.err |= 2;
+}
+
+static inline void cxio_enable_wq_db(struct t3_wq *wq)
+{
+ wq->queue->wq_in_err.err &= ~2;
+}
+
+static inline int cxio_wq_db_enabled(struct t3_wq *wq)
+{
+ return !(wq->queue->wq_in_err.err & 2);
}
static inline struct t3_cqe *cxio_next_hw_cqe(struct t3_cq *cq)
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index b0ea0105ddf6..63f975f3e30f 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -65,6 +65,46 @@ struct cxgb3_client t3c_client = {
static LIST_HEAD(dev_list);
static DEFINE_MUTEX(dev_mutex);
+static int disable_qp_db(int id, void *p, void *data)
+{
+ struct iwch_qp *qhp = p;
+
+ cxio_disable_wq_db(&qhp->wq);
+ return 0;
+}
+
+static int enable_qp_db(int id, void *p, void *data)
+{
+ struct iwch_qp *qhp = p;
+
+ if (data)
+ ring_doorbell(qhp->rhp->rdev.ctrl_qp.doorbell, qhp->wq.qpid);
+ cxio_enable_wq_db(&qhp->wq);
+ return 0;
+}
+
+static void disable_dbs(struct iwch_dev *rnicp)
+{
+ spin_lock_irq(&rnicp->lock);
+ idr_for_each(&rnicp->qpidr, disable_qp_db, NULL);
+ spin_unlock_irq(&rnicp->lock);
+}
+
+static void enable_dbs(struct iwch_dev *rnicp, int ring_db)
+{
+ spin_lock_irq(&rnicp->lock);
+ idr_for_each(&rnicp->qpidr, enable_qp_db,
+ (void *)(unsigned long)ring_db);
+ spin_unlock_irq(&rnicp->lock);
+}
+
+static void iwch_db_drop_task(struct work_struct *work)
+{
+ struct iwch_dev *rnicp = container_of(work, struct iwch_dev,
+ db_drop_task.work);
+ enable_dbs(rnicp, 1);
+}
+
static void rnic_init(struct iwch_dev *rnicp)
{
PDBG("%s iwch_dev %p\n", __func__, rnicp);
@@ -72,6 +112,7 @@ static void rnic_init(struct iwch_dev *rnicp)
idr_init(&rnicp->qpidr);
idr_init(&rnicp->mmidr);
spin_lock_init(&rnicp->lock);
+ INIT_DELAYED_WORK(&rnicp->db_drop_task, iwch_db_drop_task);
rnicp->attr.max_qps = T3_MAX_NUM_QP - 32;
rnicp->attr.max_wrs = T3_MAX_QP_DEPTH;
@@ -147,6 +188,9 @@ static void close_rnic_dev(struct t3cdev *tdev)
mutex_lock(&dev_mutex);
list_for_each_entry_safe(dev, tmp, &dev_list, entry) {
if (dev->rdev.t3cdev_p == tdev) {
+ dev->rdev.flags = CXIO_ERROR_FATAL;
+ synchronize_net();
+ cancel_delayed_work_sync(&dev->db_drop_task);
list_del(&dev->entry);
iwch_unregister_device(dev);
cxio_rdev_close(&dev->rdev);
@@ -165,7 +209,8 @@ static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
struct cxio_rdev *rdev = tdev->ulp;
struct iwch_dev *rnicp;
struct ib_event event;
- u32 portnum = port_id + 1;
+ u32 portnum = port_id + 1;
+ int dispatch = 0;
if (!rdev)
return;
@@ -173,22 +218,51 @@ static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
switch (evt) {
case OFFLOAD_STATUS_DOWN: {
rdev->flags = CXIO_ERROR_FATAL;
+ synchronize_net();
event.event = IB_EVENT_DEVICE_FATAL;
+ dispatch = 1;
break;
}
case OFFLOAD_PORT_DOWN: {
event.event = IB_EVENT_PORT_ERR;
+ dispatch = 1;
break;
}
case OFFLOAD_PORT_UP: {
event.event = IB_EVENT_PORT_ACTIVE;
+ dispatch = 1;
+ break;
+ }
+ case OFFLOAD_DB_FULL: {
+ disable_dbs(rnicp);
+ break;
+ }
+ case OFFLOAD_DB_EMPTY: {
+ enable_dbs(rnicp, 1);
+ break;
+ }
+ case OFFLOAD_DB_DROP: {
+ unsigned long delay = 1000;
+ unsigned short r;
+
+ disable_dbs(rnicp);
+ get_random_bytes(&r, 2);
+ delay += r & 1023;
+
+ /*
+ * delay is between 1000-2023 usecs.
+ */
+ schedule_delayed_work(&rnicp->db_drop_task,
+ usecs_to_jiffies(delay));
break;
}
}
- event.device = &rnicp->ibdev;
- event.element.port_num = portnum;
- ib_dispatch_event(&event);
+ if (dispatch) {
+ event.device = &rnicp->ibdev;
+ event.element.port_num = portnum;
+ ib_dispatch_event(&event);
+ }
return;
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h
index 84735506333f..a1c44578e039 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.h
+++ b/drivers/infiniband/hw/cxgb3/iwch.h
@@ -36,6 +36,7 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/idr.h>
+#include <linux/workqueue.h>
#include <rdma/ib_verbs.h>
@@ -110,6 +111,7 @@ struct iwch_dev {
struct idr mmidr;
spinlock_t lock;
struct list_head entry;
+ struct delayed_work db_drop_task;
};
static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 66b41351910a..d94388b81a40 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1371,15 +1371,8 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
tim.mac_addr = req->dst_mac;
tim.vlan_tag = ntohs(req->vlan_tag);
if (tdev->ctl(tdev, GET_IFF_FROM_MAC, &tim) < 0 || !tim.dev) {
- printk(KERN_ERR
- "%s bad dst mac %02x %02x %02x %02x %02x %02x\n",
- __func__,
- req->dst_mac[0],
- req->dst_mac[1],
- req->dst_mac[2],
- req->dst_mac[3],
- req->dst_mac[4],
- req->dst_mac[5]);
+ printk(KERN_ERR "%s bad dst mac %pM\n",
+ __func__, req->dst_mac);
goto reject;
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 6895523779d0..47b35c6608d2 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -37,6 +37,7 @@
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/list.h>
+#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>
@@ -186,7 +187,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
entries = roundup_pow_of_two(entries);
chp->cq.size_log2 = ilog2(entries);
- if (cxio_create_cq(&rhp->rdev, &chp->cq)) {
+ if (cxio_create_cq(&rhp->rdev, &chp->cq, !ucontext)) {
kfree(chp);
return ERR_PTR(-ENOMEM);
}
@@ -1199,11 +1200,14 @@ static int iwch_query_port(struct ib_device *ibdev,
props->state = IB_PORT_DOWN;
else {
inetdev = in_dev_get(netdev);
- if (inetdev->ifa_list)
- props->state = IB_PORT_ACTIVE;
- else
+ if (inetdev) {
+ if (inetdev->ifa_list)
+ props->state = IB_PORT_ACTIVE;
+ else
+ props->state = IB_PORT_INIT;
+ in_dev_put(inetdev);
+ } else
props->state = IB_PORT_INIT;
- in_dev_put(inetdev);
}
props->port_cap_flags =
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 6e8653471941..b4d893de3650 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -29,6 +29,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
+#include <linux/sched.h>
#include "iwch_provider.h"
#include "iwch.h"
#include "iwch_cm.h"
@@ -364,18 +365,19 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
spin_lock_irqsave(&qhp->lock, flag);
if (qhp->attr.state > IWCH_QP_STATE_RTS) {
spin_unlock_irqrestore(&qhp->lock, flag);
- return -EINVAL;
+ err = -EINVAL;
+ goto out;
}
num_wrs = Q_FREECNT(qhp->wq.sq_rptr, qhp->wq.sq_wptr,
qhp->wq.sq_size_log2);
if (num_wrs <= 0) {
spin_unlock_irqrestore(&qhp->lock, flag);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto out;
}
while (wr) {
if (num_wrs == 0) {
err = -ENOMEM;
- *bad_wr = wr;
break;
}
idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2);
@@ -427,10 +429,8 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
wr->opcode);
err = -EINVAL;
}
- if (err) {
- *bad_wr = wr;
+ if (err)
break;
- }
wqe->send.wrid.id0.hi = qhp->wq.sq_wptr;
sqp->wr_id = wr->wr_id;
sqp->opcode = wr2opcode(t3_wr_opcode);
@@ -452,7 +452,12 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
++(qhp->wq.sq_wptr);
}
spin_unlock_irqrestore(&qhp->lock, flag);
- ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+ if (cxio_wq_db_enabled(&qhp->wq))
+ ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+
+out:
+ if (err)
+ *bad_wr = wr;
return err;
}
@@ -470,18 +475,19 @@ int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
spin_lock_irqsave(&qhp->lock, flag);
if (qhp->attr.state > IWCH_QP_STATE_RTS) {
spin_unlock_irqrestore(&qhp->lock, flag);
- return -EINVAL;
+ err = -EINVAL;
+ goto out;
}
num_wrs = Q_FREECNT(qhp->wq.rq_rptr, qhp->wq.rq_wptr,
qhp->wq.rq_size_log2) - 1;
if (!wr) {
spin_unlock_irqrestore(&qhp->lock, flag);
- return -EINVAL;
+ err = -ENOMEM;
+ goto out;
}
while (wr) {
if (wr->num_sge > T3_MAX_SGE) {
err = -EINVAL;
- *bad_wr = wr;
break;
}
idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2);
@@ -493,10 +499,10 @@ int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
err = build_zero_stag_recv(qhp, wqe, wr);
else
err = -ENOMEM;
- if (err) {
- *bad_wr = wr;
+
+ if (err)
break;
- }
+
build_fw_riwrh((void *) wqe, T3_WR_RCV, T3_COMPLETION_FLAG,
Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2),
0, sizeof(struct t3_receive_wr) >> 3, T3_SOPEOP);
@@ -509,7 +515,12 @@ int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
num_wrs--;
}
spin_unlock_irqrestore(&qhp->lock, flag);
- ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+ if (cxio_wq_db_enabled(&qhp->wq))
+ ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+
+out:
+ if (err)
+ *bad_wr = wr;
return err;
}
@@ -588,7 +599,8 @@ int iwch_bind_mw(struct ib_qp *qp,
++(qhp->wq.sq_wptr);
spin_unlock_irqrestore(&qhp->lock, flag);
- ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+ if (cxio_wq_db_enabled(&qhp->wq))
+ ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
return err;
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-29 07:48:01 +0200