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-rw-r--r--drivers/infiniband/hw/amso1100/c2_cq.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_wr.h2
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c32
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c9
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cmd.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h1
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c17
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mr.c16
-rw-r--r--drivers/infiniband/hw/mthca/mthca_profile.c4
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.c14
-rw-r--r--drivers/net/mlx4/eq.c4
-rw-r--r--drivers/net/mlx4/main.c14
-rw-r--r--drivers/net/mlx4/mr.c6
-rw-r--r--drivers/net/mlx4/profile.c2
-rw-r--r--include/linux/mlx4/device.h1
-rw-r--r--include/linux/mlx4/qp.h1
18 files changed, 98 insertions, 39 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c
index bb17cce..f5c45b1 100644
--- a/drivers/infiniband/hw/amso1100/c2_cq.c
+++ b/drivers/infiniband/hw/amso1100/c2_cq.c
@@ -133,7 +133,7 @@ static inline int c2_poll_one(struct c2_dev *c2dev,
struct c2_qp *qp;
int is_recv = 0;
- ce = (struct c2wr_ce *) c2_mq_consume(&cq->mq);
+ ce = c2_mq_consume(&cq->mq);
if (!ce) {
return -EAGAIN;
}
@@ -146,7 +146,7 @@ static inline int c2_poll_one(struct c2_dev *c2dev,
while ((qp =
(struct c2_qp *) (unsigned long) ce->qp_user_context) == NULL) {
c2_mq_free(&cq->mq);
- ce = (struct c2wr_ce *) c2_mq_consume(&cq->mq);
+ ce = c2_mq_consume(&cq->mq);
if (!ce)
return -EAGAIN;
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index ff9be1a..32e3b14 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -176,7 +176,7 @@ struct t3_send_wr {
struct t3_sge sgl[T3_MAX_SGE]; /* 4+ */
};
-#define T3_MAX_FASTREG_DEPTH 24
+#define T3_MAX_FASTREG_DEPTH 10
#define T3_MAX_FASTREG_FRAG 10
struct t3_fastreg_wr {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 160ef482..e2a6321 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -40,6 +40,7 @@
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>
+#include <linux/inetdevice.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -1152,12 +1153,39 @@ static int iwch_query_device(struct ib_device *ibdev,
static int iwch_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
+ struct iwch_dev *dev;
+ struct net_device *netdev;
+ struct in_device *inetdev;
+
PDBG("%s ibdev %p\n", __func__, ibdev);
+ dev = to_iwch_dev(ibdev);
+ netdev = dev->rdev.port_info.lldevs[port-1];
+
memset(props, 0, sizeof(struct ib_port_attr));
props->max_mtu = IB_MTU_4096;
- props->active_mtu = IB_MTU_2048;
- props->state = IB_PORT_ACTIVE;
+ if (netdev->mtu >= 4096)
+ props->active_mtu = IB_MTU_4096;
+ else if (netdev->mtu >= 2048)
+ props->active_mtu = IB_MTU_2048;
+ else if (netdev->mtu >= 1024)
+ props->active_mtu = IB_MTU_1024;
+ else if (netdev->mtu >= 512)
+ props->active_mtu = IB_MTU_512;
+ else
+ props->active_mtu = IB_MTU_256;
+
+ if (!netif_carrier_ok(netdev))
+ props->state = IB_PORT_DOWN;
+ else {
+ inetdev = in_dev_get(netdev);
+ if (inetdev->ifa_list)
+ props->state = IB_PORT_ACTIVE;
+ else
+ props->state = IB_PORT_INIT;
+ in_dev_put(inetdev);
+ }
+
props->port_cap_flags =
IB_PORT_CM_SUP |
IB_PORT_SNMP_TUNNEL_SUP |
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 99bcbd7..4b89b79 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -479,13 +479,13 @@ void ehca_tasklet_neq(unsigned long data)
struct ehca_eqe *eqe;
u64 ret;
- eqe = (struct ehca_eqe *)ehca_poll_eq(shca, &shca->neq);
+ eqe = ehca_poll_eq(shca, &shca->neq);
while (eqe) {
if (!EHCA_BMASK_GET(NEQE_COMPLETION_EVENT, eqe->entry))
parse_ec(shca, eqe->entry);
- eqe = (struct ehca_eqe *)ehca_poll_eq(shca, &shca->neq);
+ eqe = ehca_poll_eq(shca, &shca->neq);
}
ret = hipz_h_reset_event(shca->ipz_hca_handle,
@@ -572,8 +572,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
eqe_cnt = 0;
do {
u32 token;
- eqe_cache[eqe_cnt].eqe =
- (struct ehca_eqe *)ehca_poll_eq(shca, eq);
+ eqe_cache[eqe_cnt].eqe = ehca_poll_eq(shca, eq);
if (!eqe_cache[eqe_cnt].eqe)
break;
eqe_value = eqe_cache[eqe_cnt].eqe->entry;
@@ -637,7 +636,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
goto unlock_irq_spinlock;
do {
struct ehca_eqe *eqe;
- eqe = (struct ehca_eqe *)ehca_poll_eq(shca, &shca->eq);
+ eqe = ehca_poll_eq(shca, &shca->eq);
if (!eqe)
break;
process_eqe(shca, eqe);
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 20724ae..c4a0264 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1585,12 +1585,16 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
break;
case IB_WR_LOCAL_INV:
+ ctrl->srcrb_flags |=
+ cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER);
set_local_inv_seg(wqe, wr->ex.invalidate_rkey);
wqe += sizeof (struct mlx4_wqe_local_inval_seg);
size += sizeof (struct mlx4_wqe_local_inval_seg) / 16;
break;
case IB_WR_FAST_REG_MR:
+ ctrl->srcrb_flags |=
+ cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER);
set_fmr_seg(wqe, wr);
wqe += sizeof (struct mlx4_wqe_fmr_seg);
size += sizeof (struct mlx4_wqe_fmr_seg) / 16;
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 6d55f9d..8c2ed99 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -1059,7 +1059,7 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MTT_OFFSET);
if (mthca_is_memfree(dev))
dev_lim->reserved_mtts = ALIGN((1 << (field >> 4)) * sizeof(u64),
- MTHCA_MTT_SEG_SIZE) / MTHCA_MTT_SEG_SIZE;
+ dev->limits.mtt_seg_size) / dev->limits.mtt_seg_size;
else
dev_lim->reserved_mtts = 1 << (field >> 4);
MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET);
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 2525901..9ef611f 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -159,6 +159,7 @@ struct mthca_limits {
int reserved_eqs;
int num_mpts;
int num_mtt_segs;
+ int mtt_seg_size;
int fmr_reserved_mtts;
int reserved_mtts;
int reserved_mrws;
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index 28f0e0c..90e4e45 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -641,9 +641,11 @@ static void mthca_free_irqs(struct mthca_dev *dev)
if (dev->eq_table.have_irq)
free_irq(dev->pdev->irq, dev);
for (i = 0; i < MTHCA_NUM_EQ; ++i)
- if (dev->eq_table.eq[i].have_irq)
+ if (dev->eq_table.eq[i].have_irq) {
free_irq(dev->eq_table.eq[i].msi_x_vector,
dev->eq_table.eq + i);
+ dev->eq_table.eq[i].have_irq = 0;
+ }
}
static int mthca_map_reg(struct mthca_dev *dev,
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 1d83cf7..13da9f1 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -125,6 +125,10 @@ module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444);
MODULE_PARM_DESC(fmr_reserved_mtts,
"number of memory translation table segments reserved for FMR");
+static int log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8);
+module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
+MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)");
+
static char mthca_version[] __devinitdata =
DRV_NAME ": Mellanox InfiniBand HCA driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
@@ -162,6 +166,7 @@ static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
int err;
u8 status;
+ mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8;
err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
if (err) {
mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
@@ -460,11 +465,11 @@ static int mthca_init_icm(struct mthca_dev *mdev,
}
/* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */
- mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * MTHCA_MTT_SEG_SIZE,
- dma_get_cache_alignment()) / MTHCA_MTT_SEG_SIZE;
+ mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * mdev->limits.mtt_seg_size,
+ dma_get_cache_alignment()) / mdev->limits.mtt_seg_size;
mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
- MTHCA_MTT_SEG_SIZE,
+ mdev->limits.mtt_seg_size,
mdev->limits.num_mtt_segs,
mdev->limits.reserved_mtts,
1, 0);
@@ -1315,6 +1320,12 @@ static void __init mthca_validate_profile(void)
printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n",
hca_profile.fmr_reserved_mtts);
}
+
+ if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {
+ printk(KERN_WARNING PFX "bad log_mtts_per_seg (%d). Using default - %d\n",
+ log_mtts_per_seg, ilog2(MTHCA_MTT_SEG_SIZE / 8));
+ log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8);
+ }
}
static int __init mthca_init(void)
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 882e6b7..d606edf 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -220,7 +220,7 @@ static struct mthca_mtt *__mthca_alloc_mtt(struct mthca_dev *dev, int size,
mtt->buddy = buddy;
mtt->order = 0;
- for (i = MTHCA_MTT_SEG_SIZE / 8; i < size; i <<= 1)
+ for (i = dev->limits.mtt_seg_size / 8; i < size; i <<= 1)
++mtt->order;
mtt->first_seg = mthca_alloc_mtt_range(dev, mtt->order, buddy);
@@ -267,7 +267,7 @@ static int __mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
while (list_len > 0) {
mtt_entry[0] = cpu_to_be64(dev->mr_table.mtt_base +
- mtt->first_seg * MTHCA_MTT_SEG_SIZE +
+ mtt->first_seg * dev->limits.mtt_seg_size +
start_index * 8);
mtt_entry[1] = 0;
for (i = 0; i < list_len && i < MTHCA_MAILBOX_SIZE / 8 - 2; ++i)
@@ -326,7 +326,7 @@ static void mthca_tavor_write_mtt_seg(struct mthca_dev *dev,
u64 __iomem *mtts;
int i;
- mtts = dev->mr_table.tavor_fmr.mtt_base + mtt->first_seg * MTHCA_MTT_SEG_SIZE +
+ mtts = dev->mr_table.tavor_fmr.mtt_base + mtt->first_seg * dev->limits.mtt_seg_size +
start_index * sizeof (u64);
for (i = 0; i < list_len; ++i)
mthca_write64_raw(cpu_to_be64(buffer_list[i] | MTHCA_MTT_FLAG_PRESENT),
@@ -345,10 +345,10 @@ static void mthca_arbel_write_mtt_seg(struct mthca_dev *dev,
/* For Arbel, all MTTs must fit in the same page. */
BUG_ON(s / PAGE_SIZE != (s + list_len * sizeof(u64) - 1) / PAGE_SIZE);
/* Require full segments */
- BUG_ON(s % MTHCA_MTT_SEG_SIZE);
+ BUG_ON(s % dev->limits.mtt_seg_size);
mtts = mthca_table_find(dev->mr_table.mtt_table, mtt->first_seg +
- s / MTHCA_MTT_SEG_SIZE, &dma_handle);
+ s / dev->limits.mtt_seg_size, &dma_handle);
BUG_ON(!mtts);
@@ -479,7 +479,7 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
if (mr->mtt)
mpt_entry->mtt_seg =
cpu_to_be64(dev->mr_table.mtt_base +
- mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE);
+ mr->mtt->first_seg * dev->limits.mtt_seg_size);
if (0) {
mthca_dbg(dev, "Dumping MPT entry %08x:\n", mr->ibmr.lkey);
@@ -626,7 +626,7 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
goto err_out_table;
}
- mtt_seg = mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE;
+ mtt_seg = mr->mtt->first_seg * dev->limits.mtt_seg_size;
if (mthca_is_memfree(dev)) {
mr->mem.arbel.mtts = mthca_table_find(dev->mr_table.mtt_table,
@@ -908,7 +908,7 @@ int mthca_init_mr_table(struct mthca_dev *dev)
dev->mr_table.mtt_base);
dev->mr_table.tavor_fmr.mtt_base =
- ioremap(addr, mtts * MTHCA_MTT_SEG_SIZE);
+ ioremap(addr, mtts * dev->limits.mtt_seg_size);
if (!dev->mr_table.tavor_fmr.mtt_base) {
mthca_warn(dev, "MTT ioremap for FMR failed.\n");
err = -ENOMEM;
diff --git a/drivers/infiniband/hw/mthca/mthca_profile.c b/drivers/infiniband/hw/mthca/mthca_profile.c
index d168c25..8edb28a 100644
--- a/drivers/infiniband/hw/mthca/mthca_profile.c
+++ b/drivers/infiniband/hw/mthca/mthca_profile.c
@@ -94,7 +94,7 @@ s64 mthca_make_profile(struct mthca_dev *dev,
profile[MTHCA_RES_RDB].size = MTHCA_RDB_ENTRY_SIZE;
profile[MTHCA_RES_MCG].size = MTHCA_MGM_ENTRY_SIZE;
profile[MTHCA_RES_MPT].size = dev_lim->mpt_entry_sz;
- profile[MTHCA_RES_MTT].size = MTHCA_MTT_SEG_SIZE;
+ profile[MTHCA_RES_MTT].size = dev->limits.mtt_seg_size;
profile[MTHCA_RES_UAR].size = dev_lim->uar_scratch_entry_sz;
profile[MTHCA_RES_UDAV].size = MTHCA_AV_SIZE;
profile[MTHCA_RES_UARC].size = request->uarc_size;
@@ -232,7 +232,7 @@ s64 mthca_make_profile(struct mthca_dev *dev,
dev->limits.num_mtt_segs = profile[i].num;
dev->mr_table.mtt_base = profile[i].start;
init_hca->mtt_base = profile[i].start;
- init_hca->mtt_seg_sz = ffs(MTHCA_MTT_SEG_SIZE) - 7;
+ init_hca->mtt_seg_sz = ffs(dev->limits.mtt_seg_size) - 7;
break;
case MTHCA_RES_UAR:
dev->limits.num_uars = profile[i].num;
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index b832a7b..4a84d02 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -667,7 +667,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
i = 0;
while (((nes_read32(nesdev->regs+NES_SOFTWARE_RESET) & 0x00000040) == 0) && i++ < 10000)
mdelay(1);
- if (i >= 10000) {
+ if (i > 10000) {
nes_debug(NES_DBG_INIT, "Did not see full soft reset done.\n");
return 0;
}
@@ -675,7 +675,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
i = 0;
while ((nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS) != 0x80) && i++ < 10000)
mdelay(1);
- if (i >= 10000) {
+ if (i > 10000) {
printk(KERN_ERR PFX "Internal CPU not ready, status = %02X\n",
nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS));
return 0;
@@ -701,7 +701,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
i = 0;
while (((nes_read32(nesdev->regs+NES_SOFTWARE_RESET) & 0x00000040) == 0) && i++ < 10000)
mdelay(1);
- if (i >= 10000) {
+ if (i > 10000) {
nes_debug(NES_DBG_INIT, "Did not see port soft reset done.\n");
return 0;
}
@@ -711,7 +711,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS0)
& 0x0000000f)) != 0x0000000f) && i++ < 5000)
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
nes_debug(NES_DBG_INIT, "Serdes 0 not ready, status=%x\n", u32temp);
return 0;
}
@@ -722,7 +722,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS1)
& 0x0000000f)) != 0x0000000f) && i++ < 5000)
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
nes_debug(NES_DBG_INIT, "Serdes 1 not ready, status=%x\n", u32temp);
return 0;
}
@@ -792,7 +792,7 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS0)
& 0x0000000f)) != 0x0000000f) && i++ < 5000)
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
nes_debug(NES_DBG_PHY, "Init: serdes 0 not ready, status=%x\n", u32temp);
return 1;
}
@@ -815,7 +815,7 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS1)
& 0x0000000f)) != 0x0000000f) && (i++ < 5000))
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
printk("%s: Init: serdes 1 not ready, status=%x\n", __func__, u32temp);
/* return 1; */
}
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index 8830dcb..ce064e3 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -497,8 +497,10 @@ static void mlx4_free_irqs(struct mlx4_dev *dev)
if (eq_table->have_irq)
free_irq(dev->pdev->irq, dev);
for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
- if (eq_table->eq[i].have_irq)
+ if (eq_table->eq[i].have_irq) {
free_irq(eq_table->eq[i].irq, eq_table->eq + i);
+ eq_table->eq[i].have_irq = 0;
+ }
kfree(eq_table->irq_names);
}
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 30bea96..018348c 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -100,6 +100,10 @@ module_param_named(use_prio, use_prio, bool, 0444);
MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
"(0/1, default 0)");
+static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);
+module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
+MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)");
+
int mlx4_check_port_params(struct mlx4_dev *dev,
enum mlx4_port_type *port_type)
{
@@ -203,12 +207,13 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.max_cqes = dev_cap->max_cq_sz - 1;
dev->caps.reserved_cqs = dev_cap->reserved_cqs;
dev->caps.reserved_eqs = dev_cap->reserved_eqs;
+ dev->caps.mtts_per_seg = 1 << log_mtts_per_seg;
dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts,
- MLX4_MTT_ENTRY_PER_SEG);
+ dev->caps.mtts_per_seg);
dev->caps.reserved_mrws = dev_cap->reserved_mrws;
dev->caps.reserved_uars = dev_cap->reserved_uars;
dev->caps.reserved_pds = dev_cap->reserved_pds;
- dev->caps.mtt_entry_sz = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz;
+ dev->caps.mtt_entry_sz = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz;
dev->caps.max_msg_sz = dev_cap->max_msg_sz;
dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1);
dev->caps.flags = dev_cap->flags;
@@ -1304,6 +1309,11 @@ static int __init mlx4_verify_params(void)
return -1;
}
+ if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {
+ printk(KERN_WARNING "mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);
+ return -1;
+ }
+
return 0;
}
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c
index 0caf74c..3b8973d 100644
--- a/drivers/net/mlx4/mr.c
+++ b/drivers/net/mlx4/mr.c
@@ -209,7 +209,7 @@ int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
} else
mtt->page_shift = page_shift;
- for (mtt->order = 0, i = MLX4_MTT_ENTRY_PER_SEG; i < npages; i <<= 1)
+ for (mtt->order = 0, i = dev->caps.mtts_per_seg; i < npages; i <<= 1)
++mtt->order;
mtt->first_seg = mlx4_alloc_mtt_range(dev, mtt->order);
@@ -350,7 +350,7 @@ int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr)
mpt_entry->pd_flags |= cpu_to_be32(MLX4_MPT_PD_FLAG_FAST_REG |
MLX4_MPT_PD_FLAG_RAE);
mpt_entry->mtt_sz = cpu_to_be32((1 << mr->mtt.order) *
- MLX4_MTT_ENTRY_PER_SEG);
+ dev->caps.mtts_per_seg);
} else {
mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_SW_OWNS);
}
@@ -391,7 +391,7 @@ static int mlx4_write_mtt_chunk(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
(start_index + npages - 1) / (PAGE_SIZE / sizeof (u64)))
return -EINVAL;
- if (start_index & (MLX4_MTT_ENTRY_PER_SEG - 1))
+ if (start_index & (dev->caps.mtts_per_seg - 1))
return -EINVAL;
mtts = mlx4_table_find(&priv->mr_table.mtt_table, mtt->first_seg +
diff --git a/drivers/net/mlx4/profile.c b/drivers/net/mlx4/profile.c
index cebdf32..bd22df9 100644
--- a/drivers/net/mlx4/profile.c
+++ b/drivers/net/mlx4/profile.c
@@ -98,7 +98,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
profile[MLX4_RES_EQ].size = dev_cap->eqc_entry_sz;
profile[MLX4_RES_DMPT].size = dev_cap->dmpt_entry_sz;
profile[MLX4_RES_CMPT].size = dev_cap->cmpt_entry_sz;
- profile[MLX4_RES_MTT].size = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz;
+ profile[MLX4_RES_MTT].size = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz;
profile[MLX4_RES_MCG].size = MLX4_MGM_ENTRY_SIZE;
profile[MLX4_RES_QP].num = request->num_qp;
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 3aff8a6..ce7cc6c 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -210,6 +210,7 @@ struct mlx4_caps {
int num_comp_vectors;
int num_mpts;
int num_mtt_segs;
+ int mtts_per_seg;
int fmr_reserved_mtts;
int reserved_mtts;
int reserved_mrws;
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index bf8f119..9f29d86 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -165,6 +165,7 @@ enum {
MLX4_WQE_CTRL_IP_CSUM = 1 << 4,
MLX4_WQE_CTRL_TCP_UDP_CSUM = 1 << 5,
MLX4_WQE_CTRL_INS_VLAN = 1 << 6,
+ MLX4_WQE_CTRL_STRONG_ORDER = 1 << 7,
};
struct mlx4_wqe_ctrl_seg {
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