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-rw-r--r--drivers/infiniband/hw/mlx4/ah.c2
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c6
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c4
-rw-r--r--drivers/infiniband/hw/nes/nes_cm.c1
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.c6
-rw-r--r--drivers/infiniband/hw/nes/nes_utils.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_7220.h2
-rw-r--r--drivers/infiniband/hw/qib/qib_driver.c3
-rw-r--r--drivers/infiniband/hw/qib/qib_iba6120.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7220.c10
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7322.c40
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_pcie.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_qsfp.h2
-rw-r--r--drivers/infiniband/hw/qib/qib_sd7220.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_sysfs.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_verbs.c43
17 files changed, 81 insertions, 54 deletions
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index 4b8f9c49397..a251becdaa9 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -126,7 +126,7 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
ah->av.ib.dlid = cpu_to_be16(0xc000);
memcpy(ah->av.eth.dgid, ah_attr->grh.dgid.raw, 16);
- ah->av.eth.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28);
+ ah->av.eth.sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 29);
return &ah->ibah;
}
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index e8df155bc3b..5ecf38d9726 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -715,13 +715,17 @@ repoll:
}
wc->slid = be16_to_cpu(cqe->rlid);
- wc->sl = be16_to_cpu(cqe->sl_vid) >> 12;
g_mlpath_rqpn = be32_to_cpu(cqe->g_mlpath_rqpn);
wc->src_qp = g_mlpath_rqpn & 0xffffff;
wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
wc->wc_flags |= g_mlpath_rqpn & 0x80000000 ? IB_WC_GRH : 0;
wc->pkey_index = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f;
wc->csum_ok = mlx4_ib_ipoib_csum_ok(cqe->status, cqe->checksum);
+ if (rdma_port_get_link_layer(wc->qp->device,
+ (*cur_qp)->port) == IB_LINK_LAYER_ETHERNET)
+ wc->sl = be16_to_cpu(cqe->sl_vid) >> 13;
+ else
+ wc->sl = be16_to_cpu(cqe->sl_vid) >> 12;
}
return 0;
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index a16f0c8e6f3..aa2aefa4236 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -962,7 +962,7 @@ static int mlx4_set_path(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah,
if (is_eth) {
path->sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE |
- ((port - 1) << 6) | ((ah->sl & 7) << 3) | ((ah->sl & 8) >> 1);
+ ((port - 1) << 6) | ((ah->sl & 7) << 3);
if (!(ah->ah_flags & IB_AH_GRH))
return -1;
@@ -1437,7 +1437,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
u16 pcp;
sqp->ud_header.vlan.type = cpu_to_be16(MLX4_IB_IBOE_ETHERTYPE);
- pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 27 & 3) << 13;
+ pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 29) << 13;
sqp->ud_header.vlan.tag = cpu_to_be16(vlan | pcp);
}
} else {
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 0a52d72371e..db0831dc533 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -2838,6 +2838,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp)
issue_disconn = 1;
issue_close = 1;
nesqp->cm_id = NULL;
+ del_timer(&nesqp->terminate_timer);
if (nesqp->flush_issued == 0) {
nesqp->flush_issued = 1;
issue_flush = 1;
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 7c0ff19ce38..055f4b545df 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1529,7 +1529,7 @@ int nes_init_phy(struct nes_device *nesdev)
} else {
/* setup 10G MDIO operation */
tx_config &= 0xFFFFFFE3;
- tx_config |= 0x15;
+ tx_config |= 0x1D;
}
nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
@@ -3619,10 +3619,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
}
break;
case NES_AEQE_AEID_LLP_CLOSE_COMPLETE:
- if (nesqp->term_flags) {
- nes_terminate_done(nesqp, 0);
- return;
- }
spin_lock_irqsave(&nesqp->lock, flags);
nesqp->hw_iwarp_state = iwarp_state;
nesqp->hw_tcp_state = tcp_state;
diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c
index cd10968bfa2..8b4c2ff5488 100644
--- a/drivers/infiniband/hw/nes/nes_utils.c
+++ b/drivers/infiniband/hw/nes/nes_utils.c
@@ -56,7 +56,7 @@ static u16 nes_read16_eeprom(void __iomem *addr, u16 offset);
u32 mh_detected;
u32 mh_pauses_sent;
-u32 nes_set_pau(struct nes_device *nesdev)
+static u32 nes_set_pau(struct nes_device *nesdev)
{
u32 ret = 0;
u32 counter;
diff --git a/drivers/infiniband/hw/qib/qib_7220.h b/drivers/infiniband/hw/qib/qib_7220.h
index 21f374aa063..a5356cb4252 100644
--- a/drivers/infiniband/hw/qib/qib_7220.h
+++ b/drivers/infiniband/hw/qib/qib_7220.h
@@ -97,7 +97,7 @@ struct qib_chippport_specific {
u64 iblnkerrsnap;
u64 ibcctrl; /* kr_ibcctrl shadow */
u64 ibcddrctrl; /* kr_ibcddrctrl shadow */
- u64 chase_end;
+ unsigned long chase_end;
u32 last_delay_mult;
};
diff --git a/drivers/infiniband/hw/qib/qib_driver.c b/drivers/infiniband/hw/qib/qib_driver.c
index c90a55f4120..6fc9365ba8a 100644
--- a/drivers/infiniband/hw/qib/qib_driver.c
+++ b/drivers/infiniband/hw/qib/qib_driver.c
@@ -371,9 +371,8 @@ static u32 qib_rcv_hdrerr(struct qib_ctxtdata *rcd, struct qib_pportdata *ppd,
lnh == QIB_LRH_GRH,
qp,
be32_to_cpu(ohdr->bth[0]));
- if (ruc_res) {
+ if (ruc_res)
goto unlock;
- }
/* Only deal with RDMA Writes for now */
if (opcode <
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index 781a802a321..4f18e2d332d 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -2076,9 +2076,11 @@ static void qib_6120_config_ctxts(struct qib_devdata *dd)
static void qib_update_6120_usrhead(struct qib_ctxtdata *rcd, u64 hd,
u32 updegr, u32 egrhd, u32 npkts)
{
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+ mmiowb();
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ mmiowb();
}
static u32 qib_6120_hdrqempty(struct qib_ctxtdata *rcd)
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index 439d3c503cd..3c722f79d6f 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -1051,7 +1051,7 @@ static void reenable_7220_chase(unsigned long opaque)
static void handle_7220_chase(struct qib_pportdata *ppd, u64 ibcst)
{
u8 ibclt;
- u64 tnow;
+ unsigned long tnow;
ibclt = (u8)SYM_FIELD(ibcst, IBCStatus, LinkTrainingState);
@@ -1066,9 +1066,9 @@ static void handle_7220_chase(struct qib_pportdata *ppd, u64 ibcst)
case IB_7220_LT_STATE_CFGWAITRMT:
case IB_7220_LT_STATE_TXREVLANES:
case IB_7220_LT_STATE_CFGENH:
- tnow = get_jiffies_64();
+ tnow = jiffies;
if (ppd->cpspec->chase_end &&
- time_after64(tnow, ppd->cpspec->chase_end)) {
+ time_after(tnow, ppd->cpspec->chase_end)) {
ppd->cpspec->chase_end = 0;
qib_set_ib_7220_lstate(ppd,
QLOGIC_IB_IBCC_LINKCMD_DOWN,
@@ -2725,9 +2725,11 @@ static int qib_7220_set_loopback(struct qib_pportdata *ppd, const char *what)
static void qib_update_7220_usrhead(struct qib_ctxtdata *rcd, u64 hd,
u32 updegr, u32 egrhd, u32 npkts)
{
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+ mmiowb();
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ mmiowb();
}
static u32 qib_7220_hdrqempty(struct qib_ctxtdata *rcd)
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 1d5895941e1..41e92089e41 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -615,8 +615,8 @@ struct qib_chippport_specific {
u64 ibmalfsnap;
u64 ibcctrl_a; /* krp_ibcctrl_a shadow */
u64 ibcctrl_b; /* krp_ibcctrl_b shadow */
- u64 qdr_dfe_time;
- u64 chase_end;
+ unsigned long qdr_dfe_time;
+ unsigned long chase_end;
u32 autoneg_tries;
u32 recovery_init;
u32 qdr_dfe_on;
@@ -1672,7 +1672,8 @@ static void reenable_chase(unsigned long opaque)
QLOGIC_IB_IBCC_LINKINITCMD_POLL);
}
-static void disable_chase(struct qib_pportdata *ppd, u64 tnow, u8 ibclt)
+static void disable_chase(struct qib_pportdata *ppd, unsigned long tnow,
+ u8 ibclt)
{
ppd->cpspec->chase_end = 0;
@@ -1688,7 +1689,7 @@ static void disable_chase(struct qib_pportdata *ppd, u64 tnow, u8 ibclt)
static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
{
u8 ibclt;
- u64 tnow;
+ unsigned long tnow;
ibclt = (u8)SYM_FIELD(ibcst, IBCStatusA_0, LinkTrainingState);
@@ -1703,9 +1704,9 @@ static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
case IB_7322_LT_STATE_CFGWAITRMT:
case IB_7322_LT_STATE_TXREVLANES:
case IB_7322_LT_STATE_CFGENH:
- tnow = get_jiffies_64();
+ tnow = jiffies;
if (ppd->cpspec->chase_end &&
- time_after64(tnow, ppd->cpspec->chase_end))
+ time_after(tnow, ppd->cpspec->chase_end))
disable_chase(ppd, tnow, ibclt);
else if (!ppd->cpspec->chase_end)
ppd->cpspec->chase_end = tnow + QIB_CHASE_TIME;
@@ -2714,7 +2715,7 @@ static noinline void unknown_7322_gpio_intr(struct qib_devdata *dd)
pins >>= SYM_LSB(EXTStatus, GPIOIn);
if (!(pins & mask)) {
++handled;
- qd->t_insert = get_jiffies_64();
+ qd->t_insert = jiffies;
queue_work(ib_wq, &qd->work);
}
}
@@ -3602,7 +3603,7 @@ static void qib_7322_config_ctxts(struct qib_devdata *dd)
if (qib_rcvhdrcnt)
dd->rcvhdrcnt = max(dd->cspec->rcvegrcnt, qib_rcvhdrcnt);
else
- dd->rcvhdrcnt = max(dd->cspec->rcvegrcnt,
+ dd->rcvhdrcnt = 2 * max(dd->cspec->rcvegrcnt,
dd->num_pports > 1 ? 1024U : 2048U);
}
@@ -4082,10 +4083,12 @@ static void qib_update_7322_usrhead(struct qib_ctxtdata *rcd, u64 hd,
*/
if (hd >> IBA7322_HDRHEAD_PKTINT_SHIFT)
adjust_rcv_timeout(rcd, npkts);
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
- qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
if (updegr)
qib_write_ureg(rcd->dd, ur_rcvegrindexhead, egrhd, rcd->ctxt);
+ mmiowb();
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ qib_write_ureg(rcd->dd, ur_rcvhdrhead, hd, rcd->ctxt);
+ mmiowb();
}
static u32 qib_7322_hdrqempty(struct qib_ctxtdata *rcd)
@@ -4794,7 +4797,7 @@ static void qib_get_7322_faststats(unsigned long opaque)
(ppd->lflags & (QIBL_LINKINIT | QIBL_LINKARMED |
QIBL_LINKACTIVE)) &&
ppd->cpspec->qdr_dfe_time &&
- time_after64(get_jiffies_64(), ppd->cpspec->qdr_dfe_time)) {
+ time_is_before_jiffies(ppd->cpspec->qdr_dfe_time)) {
ppd->cpspec->qdr_dfe_on = 0;
qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
@@ -5240,7 +5243,7 @@ static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
/* schedule the qsfp refresh which should turn the link
off */
if (ppd->dd->flags & QIB_HAS_QSFP) {
- qd->t_insert = get_jiffies_64();
+ qd->t_insert = jiffies;
queue_work(ib_wq, &qd->work);
}
spin_lock_irqsave(&ppd->sdma_lock, flags);
@@ -5592,7 +5595,7 @@ static void qsfp_7322_event(struct work_struct *work)
{
struct qib_qsfp_data *qd;
struct qib_pportdata *ppd;
- u64 pwrup;
+ unsigned long pwrup;
unsigned long flags;
int ret;
u32 le2;
@@ -5620,8 +5623,7 @@ static void qsfp_7322_event(struct work_struct *work)
* to insertion.
*/
while (1) {
- u64 now = get_jiffies_64();
- if (time_after64(now, pwrup))
+ if (time_is_before_jiffies(pwrup))
break;
msleep(20);
}
@@ -7506,7 +7508,7 @@ static int serdes_7322_init_old(struct qib_pportdata *ppd)
static int serdes_7322_init_new(struct qib_pportdata *ppd)
{
- u64 tstart;
+ unsigned long tend;
u32 le_val, rxcaldone;
int chan, chan_done = (1 << SERDES_CHANS) - 1;
@@ -7611,10 +7613,8 @@ static int serdes_7322_init_new(struct qib_pportdata *ppd)
msleep(20);
/* Start Calibration */
ibsd_wr_allchans(ppd, 4, (1 << 10), BMASK(10, 10));
- tstart = get_jiffies_64();
- while (chan_done &&
- !time_after64(get_jiffies_64(),
- tstart + msecs_to_jiffies(500))) {
+ tend = jiffies + msecs_to_jiffies(500);
+ while (chan_done && !time_is_before_jiffies(tend)) {
msleep(20);
for (chan = 0; chan < SERDES_CHANS; ++chan) {
rxcaldone = ahb_mod(ppd->dd, IBSD(ppd->hw_pidx),
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 58b0f8ad4a2..cf0cd30adc8 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1015,7 +1015,7 @@ static int __devinit qib_init_one(struct pci_dev *,
#define DRIVER_LOAD_MSG "QLogic " QIB_DRV_NAME " loaded: "
#define PFX QIB_DRV_NAME ": "
-static const struct pci_device_id qib_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(qib_pci_tbl) = {
{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_QLOGIC_IB_6120) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_IB_7220) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_IB_7322) },
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index 97a8bdf68e6..f695061d688 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -560,9 +560,9 @@ static int qib_tune_pcie_coalesce(struct qib_devdata *dd)
* BIOS may not set PCIe bus-utilization parameters for best performance.
* Check and optionally adjust them to maximize our throughput.
*/
-static int qib_pcie_caps;
+static int qib_pcie_caps = 0x51;
module_param_named(pcie_caps, qib_pcie_caps, int, S_IRUGO);
-MODULE_PARM_DESC(pcie_caps, "Max PCIe tuning: Payload (4lsb), ReadReq (D4..7)");
+MODULE_PARM_DESC(pcie_caps, "Max PCIe tuning: Payload (0..3), ReadReq (4..7)");
static int qib_tune_pcie_caps(struct qib_devdata *dd)
{
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.h b/drivers/infiniband/hw/qib/qib_qsfp.h
index 46002a9417c..91908f533a2 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.h
+++ b/drivers/infiniband/hw/qib/qib_qsfp.h
@@ -177,7 +177,7 @@ struct qib_qsfp_data {
struct qib_pportdata *ppd;
struct work_struct work;
struct qib_qsfp_cache cache;
- u64 t_insert;
+ unsigned long t_insert;
u8 modpresent;
};
diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c
index de1a4b2f33c..ac065dd6b69 100644
--- a/drivers/infiniband/hw/qib/qib_sd7220.c
+++ b/drivers/infiniband/hw/qib/qib_sd7220.c
@@ -300,7 +300,7 @@ bail:
}
static void qib_sd_trimdone_monitor(struct qib_devdata *dd,
- const char *where)
+ const char *where)
{
int ret, chn, baduns;
u64 val;
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
index 78fbd56879d..dae51604cfc 100644
--- a/drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -150,7 +150,7 @@ static ssize_t show_status(struct qib_pportdata *ppd, char *buf)
* For userland compatibility, these offsets must remain fixed.
* They are strings for QIB_STATUS_*
*/
-static const char *qib_status_str[] = {
+static const char * const qib_status_str[] = {
"Initted",
"",
"",
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index a894762da46..7b6c3bffa9d 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -913,8 +913,8 @@ static void copy_io(u32 __iomem *piobuf, struct qib_sge_state *ss,
__raw_writel(last, piobuf);
}
-static struct qib_verbs_txreq *get_txreq(struct qib_ibdev *dev,
- struct qib_qp *qp, int *retp)
+static noinline struct qib_verbs_txreq *__get_txreq(struct qib_ibdev *dev,
+ struct qib_qp *qp)
{
struct qib_verbs_txreq *tx;
unsigned long flags;
@@ -926,8 +926,9 @@ static struct qib_verbs_txreq *get_txreq(struct qib_ibdev *dev,
struct list_head *l = dev->txreq_free.next;
list_del(l);
+ spin_unlock(&dev->pending_lock);
+ spin_unlock_irqrestore(&qp->s_lock, flags);
tx = list_entry(l, struct qib_verbs_txreq, txreq.list);
- *retp = 0;
} else {
if (ib_qib_state_ops[qp->state] & QIB_PROCESS_RECV_OK &&
list_empty(&qp->iowait)) {
@@ -935,14 +936,33 @@ static struct qib_verbs_txreq *get_txreq(struct qib_ibdev *dev,
qp->s_flags |= QIB_S_WAIT_TX;
list_add_tail(&qp->iowait, &dev->txwait);
}
- tx = NULL;
qp->s_flags &= ~QIB_S_BUSY;
- *retp = -EBUSY;
+ spin_unlock(&dev->pending_lock);
+ spin_unlock_irqrestore(&qp->s_lock, flags);
+ tx = ERR_PTR(-EBUSY);
}
+ return tx;
+}
- spin_unlock(&dev->pending_lock);
- spin_unlock_irqrestore(&qp->s_lock, flags);
+static inline struct qib_verbs_txreq *get_txreq(struct qib_ibdev *dev,
+ struct qib_qp *qp)
+{
+ struct qib_verbs_txreq *tx;
+ unsigned long flags;
+ spin_lock_irqsave(&dev->pending_lock, flags);
+ /* assume the list non empty */
+ if (likely(!list_empty(&dev->txreq_free))) {
+ struct list_head *l = dev->txreq_free.next;
+
+ list_del(l);
+ spin_unlock_irqrestore(&dev->pending_lock, flags);
+ tx = list_entry(l, struct qib_verbs_txreq, txreq.list);
+ } else {
+ /* call slow path to get the extra lock */
+ spin_unlock_irqrestore(&dev->pending_lock, flags);
+ tx = __get_txreq(dev, qp);
+ }
return tx;
}
@@ -1122,9 +1142,9 @@ static int qib_verbs_send_dma(struct qib_qp *qp, struct qib_ib_header *hdr,
goto bail;
}
- tx = get_txreq(dev, qp, &ret);
- if (!tx)
- goto bail;
+ tx = get_txreq(dev, qp);
+ if (IS_ERR(tx))
+ goto bail_tx;
control = dd->f_setpbc_control(ppd, plen, qp->s_srate,
be16_to_cpu(hdr->lrh[0]) >> 12);
@@ -1195,6 +1215,9 @@ unaligned:
ibp->n_unaligned++;
bail:
return ret;
+bail_tx:
+ ret = PTR_ERR(tx);
+ goto bail;
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 11:38:39 +0000