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authorDamjan Marion <damarion@cisco.com>2018-09-30 18:26:20 +0200
committerDamjan Marion <dmarion@me.com>2018-10-23 14:21:10 +0000
commit68b4da67deb2e8ca224bb5abaeb9dbc7ae8e378c (patch)
treecd1ee2c463aefdb31c73665eafb876568054f49e /src/plugins/vmxnet3/vmxnet3.c
parentfc3b8b8ad08d2d4cc375149ecdc10c37d4a80940 (diff)
Numa-aware, growable physical memory allocator (pmalloc)
Change-Id: Ic4c46bc733afae8bf0d8146623ed15633928de30 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/vmxnet3/vmxnet3.c')
-rw-r--r--src/plugins/vmxnet3/vmxnet3.c73
1 files changed, 27 insertions, 46 deletions
diff --git a/src/plugins/vmxnet3/vmxnet3.c b/src/plugins/vmxnet3/vmxnet3.c
index e34b3e69a27..f60a8fe2215 100644
--- a/src/plugins/vmxnet3/vmxnet3.c
+++ b/src/plugins/vmxnet3/vmxnet3.c
@@ -139,19 +139,16 @@ vmxnet3_write_mac (vmxnet3_device_t * vd)
static clib_error_t *
vmxnet3_provision_driver_shared (vlib_main_t * vm, vmxnet3_device_t * vd)
{
- vmxnet3_main_t *vmxm = &vmxnet3_main;
vmxnet3_shared *shared;
vmxnet3_queues *q;
u64 shared_dma;
- clib_error_t *error;
u16 qid = 0, rid;
vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
- vd->dma = vlib_physmem_alloc_aligned (vm, vmxm->physmem_region, &error,
- sizeof (*vd->dma), 512);
- if (error)
- return error;
+ vd->dma = vlib_physmem_alloc_aligned (vm, sizeof (*vd->dma), 512);
+ if (vd->dma == 0)
+ return vlib_physmem_last_error (vm);
clib_memset (vd->dma, 0, sizeof (*vd->dma));
@@ -222,9 +219,7 @@ vmxnet3_disable_interrupt (vmxnet3_device_t * vd)
static clib_error_t *
vmxnet3_rxq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
{
- vmxnet3_main_t *vmxm = &vmxnet3_main;
vmxnet3_rxq_t *rxq;
- clib_error_t *error;
u16 rid;
vec_validate_aligned (vd->rxqs, qid, CLIB_CACHE_LINE_BYTES);
@@ -233,19 +228,19 @@ vmxnet3_rxq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
rxq->size = qsz;
for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
{
- rxq->rx_desc[rid] =
- vlib_physmem_alloc_aligned (vm, vmxm->physmem_region,
- &error, qsz * sizeof (*rxq->rx_desc[rid]),
- 512);
- if (error)
- return error;
+ rxq->rx_desc[rid] = vlib_physmem_alloc_aligned
+ (vm, qsz * sizeof (*rxq->rx_desc[rid]), 512);
+
+ if (rxq->rx_desc[rid] == 0)
+ return vlib_physmem_last_error (vm);
+
clib_memset (rxq->rx_desc[rid], 0, qsz * sizeof (*rxq->rx_desc[rid]));
}
- rxq->rx_comp = vlib_physmem_alloc_aligned (vm, vmxm->physmem_region, &error,
- qsz * sizeof (*rxq->rx_comp),
+ rxq->rx_comp = vlib_physmem_alloc_aligned (vm, qsz * sizeof (*rxq->rx_comp),
512);
- if (error)
- return error;
+ if (rxq->rx_comp == 0)
+ return vlib_physmem_last_error (vm);
+
clib_memset (rxq->rx_comp, 0, qsz * sizeof (*rxq->rx_comp));
for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
{
@@ -264,9 +259,7 @@ vmxnet3_rxq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
static clib_error_t *
vmxnet3_txq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
{
- vmxnet3_main_t *vmxm = &vmxnet3_main;
vmxnet3_txq_t *txq;
- clib_error_t *error;
if (qid >= vd->num_tx_queues)
{
@@ -282,17 +275,17 @@ vmxnet3_txq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
txq = vec_elt_at_index (vd->txqs, qid);
clib_memset (txq, 0, sizeof (*txq));
txq->size = qsz;
- txq->tx_desc = vlib_physmem_alloc_aligned (vm, vmxm->physmem_region, &error,
- qsz * sizeof (*txq->tx_desc),
+ txq->tx_desc = vlib_physmem_alloc_aligned (vm, qsz * sizeof (*txq->tx_desc),
512);
- if (error)
- return error;
- clib_memset (txq->tx_desc, 0, qsz * sizeof (*txq->tx_desc));
- txq->tx_comp = vlib_physmem_alloc_aligned (vm, vmxm->physmem_region, &error,
- qsz * sizeof (*txq->tx_comp),
+ if (txq->tx_desc == 0)
+ return vlib_physmem_last_error (vm);
+
+ memset (txq->tx_desc, 0, qsz * sizeof (*txq->tx_desc));
+ txq->tx_comp = vlib_physmem_alloc_aligned (vm, qsz * sizeof (*txq->tx_comp),
512);
- if (error)
- return error;
+ if (txq->tx_comp == 0)
+ return vlib_physmem_last_error (vm);
+
clib_memset (txq->tx_comp, 0, qsz * sizeof (*txq->tx_comp));
vec_validate_aligned (txq->tx_ring.bufs, txq->size, CLIB_CACHE_LINE_BYTES);
txq->tx_ring.gen = VMXNET3_TXF_GEN;
@@ -307,7 +300,6 @@ vmxnet3_device_init (vlib_main_t * vm, vmxnet3_device_t * vd,
{
clib_error_t *error = 0;
u32 ret, i;
- vmxnet3_main_t *vmxm = &vmxnet3_main;
vlib_thread_main_t *tm = vlib_get_thread_main ();
vd->num_tx_queues = 1;
@@ -372,17 +364,6 @@ vmxnet3_device_init (vlib_main_t * vm, vmxnet3_device_t * vd,
ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_MACH);
clib_memcpy (vd->mac_addr + 4, &ret, 2);
- if (vmxm->physmem_region_alloc == 0)
- {
- u32 flags = VLIB_PHYSMEM_F_INIT_MHEAP | VLIB_PHYSMEM_F_HUGETLB;
- error =
- vlib_physmem_region_alloc (vm, "vmxnet3 descriptors", 4 << 20, 0,
- flags, &vmxm->physmem_region);
- if (error)
- return error;
- vmxm->physmem_region_alloc = 1;
- }
-
error = vmxnet3_rxq_init (vm, vd, 0, args->rxq_size);
if (error)
return error;
@@ -629,9 +610,9 @@ vmxnet3_delete_if (vlib_main_t * vm, vmxnet3_device_t * vd)
vlib_buffer_free_from_ring (vm, ring->bufs, desc_idx, rxq->size,
ring->fill);
vec_free (ring->bufs);
- vlib_physmem_free (vm, vmxm->physmem_region, rxq->rx_desc[rid]);
+ vlib_physmem_free (vm, rxq->rx_desc[rid]);
}
- vlib_physmem_free (vm, vmxm->physmem_region, rxq->rx_comp);
+ vlib_physmem_free (vm, rxq->rx_comp);
}
/* *INDENT-ON* */
vec_free (vd->rxqs);
@@ -654,13 +635,13 @@ vmxnet3_delete_if (vlib_main_t * vm, vmxnet3_device_t * vd)
}
clib_spinlock_free (&txq->lock);
vec_free (txq->tx_ring.bufs);
- vlib_physmem_free (vm, vmxm->physmem_region, txq->tx_desc);
- vlib_physmem_free (vm, vmxm->physmem_region, txq->tx_comp);
+ vlib_physmem_free (vm, txq->tx_desc);
+ vlib_physmem_free (vm, txq->tx_comp);
}
/* *INDENT-ON* */
vec_free (vd->txqs);
- vlib_physmem_free (vm, vmxm->physmem_region, vd->dma);
+ vlib_physmem_free (vm, vd->dma);
clib_error_free (vd->error);
clib_memset (vd, 0, sizeof (*vd));