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VMXNET3: Add support for virtual IOMMU 

This patch adds support for virtual IOMMU to the vmxnet3 module.  We
switch to DMA consistent mappings for anything we pass to the device.
There were a few places where we already did this, but using pci_blah();
these have been fixed to use dma_blah(), along with all new occurrences
where we've replaced kmalloc() and friends.

Also fix two small bugs:
1) use after free of rq->buf_info in vmxnet3_rq_destroy()
2) a cpu_to_le32() that should have been a cpu_to_le64()

Acked-by: George Zhang <georgezhang@vmware.com>
Acked-by: Aditya Sarwade <asarwade@vmware.com>
Signed-off-by: Andy King <acking@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy King 2013-08-23 09:33:49 -07:00 committed by David S. Miller
parent 68d7bdcb4c
commit b0eb57cb97
2 changed files with 138 additions and 83 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

211
drivers/net/vmxnet3/vmxnet3_drv.c
View File

@ -313,10 +313,10 @@ vmxnet3_unmap_tx_buf(struct vmxnet3_tx_buf_info *tbi,
struct pci_dev *pdev)
{
if (tbi->map_type == VMXNET3_MAP_SINGLE)
pci_unmap_single(pdev, tbi->dma_addr, tbi->len,
dma_unmap_single(&pdev->dev, tbi->dma_addr, tbi->len,
PCI_DMA_TODEVICE);
else if (tbi->map_type == VMXNET3_MAP_PAGE)
pci_unmap_page(pdev, tbi->dma_addr, tbi->len,
dma_unmap_page(&pdev->dev, tbi->dma_addr, tbi->len,
PCI_DMA_TODEVICE);
else
BUG_ON(tbi->map_type != VMXNET3_MAP_NONE);
@ -429,25 +429,29 @@ vmxnet3_tq_destroy(struct vmxnet3_tx_queue *tq,
struct vmxnet3_adapter *adapter)
{
if (tq->tx_ring.base) {
pci_free_consistent(adapter->pdev, tq->tx_ring.size *
sizeof(struct Vmxnet3_TxDesc),
tq->tx_ring.base, tq->tx_ring.basePA);
dma_free_coherent(&adapter->pdev->dev, tq->tx_ring.size *
sizeof(struct Vmxnet3_TxDesc),
tq->tx_ring.base, tq->tx_ring.basePA);
tq->tx_ring.base = NULL;
}
if (tq->data_ring.base) {
pci_free_consistent(adapter->pdev, tq->data_ring.size *
sizeof(struct Vmxnet3_TxDataDesc),
tq->data_ring.base, tq->data_ring.basePA);
dma_free_coherent(&adapter->pdev->dev, tq->data_ring.size *
sizeof(struct Vmxnet3_TxDataDesc),
tq->data_ring.base, tq->data_ring.basePA);
tq->data_ring.base = NULL;
}
if (tq->comp_ring.base) {
pci_free_consistent(adapter->pdev, tq->comp_ring.size *
sizeof(struct Vmxnet3_TxCompDesc),
tq->comp_ring.base, tq->comp_ring.basePA);
dma_free_coherent(&adapter->pdev->dev, tq->comp_ring.size *
sizeof(struct Vmxnet3_TxCompDesc),
tq->comp_ring.base, tq->comp_ring.basePA);
tq->comp_ring.base = NULL;
}
kfree(tq->buf_info);
tq->buf_info = NULL;
if (tq->buf_info) {
dma_free_coherent(&adapter->pdev->dev,
tq->tx_ring.size * sizeof(tq->buf_info[0]),
tq->buf_info, tq->buf_info_pa);
tq->buf_info = NULL;
}
}
@ -496,37 +500,38 @@ static int
vmxnet3_tq_create(struct vmxnet3_tx_queue *tq,
struct vmxnet3_adapter *adapter)
{
size_t sz;
BUG_ON(tq->tx_ring.base || tq->data_ring.base ||
tq->comp_ring.base || tq->buf_info);
tq->tx_ring.base = pci_alloc_consistent(adapter->pdev, tq->tx_ring.size
* sizeof(struct Vmxnet3_TxDesc),
&tq->tx_ring.basePA);
tq->tx_ring.base = dma_alloc_coherent(&adapter->pdev->dev,
tq->tx_ring.size * sizeof(struct Vmxnet3_TxDesc),
&tq->tx_ring.basePA, GFP_KERNEL);
if (!tq->tx_ring.base) {
netdev_err(adapter->netdev, "failed to allocate tx ring\n");
goto err;
}
tq->data_ring.base = pci_alloc_consistent(adapter->pdev,
tq->data_ring.size *
sizeof(struct Vmxnet3_TxDataDesc),
&tq->data_ring.basePA);
tq->data_ring.base = dma_alloc_coherent(&adapter->pdev->dev,
tq->data_ring.size * sizeof(struct Vmxnet3_TxDataDesc),
&tq->data_ring.basePA, GFP_KERNEL);
if (!tq->data_ring.base) {
netdev_err(adapter->netdev, "failed to allocate data ring\n");
goto err;
}
tq->comp_ring.base = pci_alloc_consistent(adapter->pdev,
tq->comp_ring.size *
sizeof(struct Vmxnet3_TxCompDesc),
&tq->comp_ring.basePA);
tq->comp_ring.base = dma_alloc_coherent(&adapter->pdev->dev,
tq->comp_ring.size * sizeof(struct Vmxnet3_TxCompDesc),
&tq->comp_ring.basePA, GFP_KERNEL);
if (!tq->comp_ring.base) {
netdev_err(adapter->netdev, "failed to allocate tx comp ring\n");
goto err;
}
tq->buf_info = kcalloc(tq->tx_ring.size, sizeof(tq->buf_info[0]),
GFP_KERNEL);
sz = tq->tx_ring.size * sizeof(tq->buf_info[0]);
tq->buf_info = dma_zalloc_coherent(&adapter->pdev->dev, sz,
&tq->buf_info_pa, GFP_KERNEL);
if (!tq->buf_info)
goto err;
@ -578,7 +583,8 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
break;
}
rbi->dma_addr = pci_map_single(adapter->pdev,
rbi->dma_addr = dma_map_single(
&adapter->pdev->dev,
rbi->skb->data, rbi->len,
PCI_DMA_FROMDEVICE);
} else {
@ -595,7 +601,8 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
rq->stats.rx_buf_alloc_failure++;
break;
}
rbi->dma_addr = pci_map_page(adapter->pdev,
rbi->dma_addr = dma_map_page(
&adapter->pdev->dev,
rbi->page, 0, PAGE_SIZE,
PCI_DMA_FROMDEVICE);
} else {
@ -705,7 +712,7 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx,
tbi = tq->buf_info + tq->tx_ring.next2fill;
tbi->map_type = VMXNET3_MAP_SINGLE;
tbi->dma_addr = pci_map_single(adapter->pdev,
tbi->dma_addr = dma_map_single(&adapter->pdev->dev,
skb->data + buf_offset, buf_size,
PCI_DMA_TODEVICE);
@ -1221,7 +1228,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
goto rcd_done;
}
pci_unmap_single(adapter->pdev, rbi->dma_addr, rbi->len,
dma_unmap_single(&adapter->pdev->dev, rbi->dma_addr,
rbi->len,
PCI_DMA_FROMDEVICE);
#ifdef VMXNET3_RSS
@ -1233,7 +1241,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
/* Immediate refill */
rbi->skb = new_skb;
rbi->dma_addr = pci_map_single(adapter->pdev,
rbi->dma_addr = dma_map_single(&adapter->pdev->dev,
rbi->skb->data, rbi->len,
PCI_DMA_FROMDEVICE);
rxd->addr = cpu_to_le64(rbi->dma_addr);
@ -1267,7 +1275,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
}
if (rcd->len) {
pci_unmap_page(adapter->pdev,
dma_unmap_page(&adapter->pdev->dev,
rbi->dma_addr, rbi->len,
PCI_DMA_FROMDEVICE);
@ -1276,7 +1284,8 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
/* Immediate refill */
rbi->page = new_page;
rbi->dma_addr = pci_map_page(adapter->pdev, rbi->page,
rbi->dma_addr = dma_map_page(&adapter->pdev->dev,
rbi->page,
0, PAGE_SIZE,
PCI_DMA_FROMDEVICE);
rxd->addr = cpu_to_le64(rbi->dma_addr);
@ -1352,13 +1361,13 @@ vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq,
if (rxd->btype == VMXNET3_RXD_BTYPE_HEAD &&
rq->buf_info[ring_idx][i].skb) {
pci_unmap_single(adapter->pdev, rxd->addr,
dma_unmap_single(&adapter->pdev->dev, rxd->addr,
rxd->len, PCI_DMA_FROMDEVICE);
dev_kfree_skb(rq->buf_info[ring_idx][i].skb);
rq->buf_info[ring_idx][i].skb = NULL;
} else if (rxd->btype == VMXNET3_RXD_BTYPE_BODY &&
rq->buf_info[ring_idx][i].page) {
pci_unmap_page(adapter->pdev, rxd->addr,
dma_unmap_page(&adapter->pdev->dev, rxd->addr,
rxd->len, PCI_DMA_FROMDEVICE);
put_page(rq->buf_info[ring_idx][i].page);
rq->buf_info[ring_idx][i].page = NULL;
@ -1400,25 +1409,31 @@ static void vmxnet3_rq_destroy(struct vmxnet3_rx_queue *rq,
}
kfree(rq->buf_info[0]);
for (i = 0; i < 2; i++) {
if (rq->rx_ring[i].base) {
pci_free_consistent(adapter->pdev, rq->rx_ring[i].size
* sizeof(struct Vmxnet3_RxDesc),
rq->rx_ring[i].base,
rq->rx_ring[i].basePA);
dma_free_coherent(&adapter->pdev->dev,
rq->rx_ring[i].size
* sizeof(struct Vmxnet3_RxDesc),
rq->rx_ring[i].base,
rq->rx_ring[i].basePA);
rq->rx_ring[i].base = NULL;
}
rq->buf_info[i] = NULL;
}
if (rq->comp_ring.base) {
pci_free_consistent(adapter->pdev, rq->comp_ring.size *
sizeof(struct Vmxnet3_RxCompDesc),
rq->comp_ring.base, rq->comp_ring.basePA);
dma_free_coherent(&adapter->pdev->dev, rq->comp_ring.size
* sizeof(struct Vmxnet3_RxCompDesc),
rq->comp_ring.base, rq->comp_ring.basePA);
rq->comp_ring.base = NULL;
}
if (rq->buf_info[0]) {
size_t sz = sizeof(struct vmxnet3_rx_buf_info) *
(rq->rx_ring[0].size + rq->rx_ring[1].size);
dma_free_coherent(&adapter->pdev->dev, sz, rq->buf_info[0],
rq->buf_info_pa);
}
}
@ -1503,8 +1518,10 @@ vmxnet3_rq_create(struct vmxnet3_rx_queue *rq, struct vmxnet3_adapter *adapter)
for (i = 0; i < 2; i++) {
sz = rq->rx_ring[i].size * sizeof(struct Vmxnet3_RxDesc);
rq->rx_ring[i].base = pci_alloc_consistent(adapter->pdev, sz,
&rq->rx_ring[i].basePA);
rq->rx_ring[i].base = dma_alloc_coherent(
&adapter->pdev->dev, sz,
&rq->rx_ring[i].basePA,
GFP_KERNEL);
if (!rq->rx_ring[i].base) {
netdev_err(adapter->netdev,
"failed to allocate rx ring %d\n", i);
@ -1513,8 +1530,9 @@ vmxnet3_rq_create(struct vmxnet3_rx_queue *rq, struct vmxnet3_adapter *adapter)
}
sz = rq->comp_ring.size * sizeof(struct Vmxnet3_RxCompDesc);
rq->comp_ring.base = pci_alloc_consistent(adapter->pdev, sz,
&rq->comp_ring.basePA);
rq->comp_ring.base = dma_alloc_coherent(&adapter->pdev->dev, sz,
&rq->comp_ring.basePA,
GFP_KERNEL);
if (!rq->comp_ring.base) {
netdev_err(adapter->netdev, "failed to allocate rx comp ring\n");
goto err;
@ -1522,7 +1540,8 @@ vmxnet3_rq_create(struct vmxnet3_rx_queue *rq, struct vmxnet3_adapter *adapter)
sz = sizeof(struct vmxnet3_rx_buf_info) * (rq->rx_ring[0].size +
rq->rx_ring[1].size);
bi = kzalloc(sz, GFP_KERNEL);
bi = dma_zalloc_coherent(&adapter->pdev->dev, sz, &rq->buf_info_pa,
GFP_KERNEL);
if (!bi)
goto err;
@ -2005,6 +2024,7 @@ vmxnet3_set_mc(struct net_device *netdev)
struct Vmxnet3_RxFilterConf *rxConf =
&adapter->shared->devRead.rxFilterConf;
u8 *new_table = NULL;
dma_addr_t new_table_pa = 0;
u32 new_mode = VMXNET3_RXM_UCAST;
if (netdev->flags & IFF_PROMISC) {
@ -2028,8 +2048,12 @@ vmxnet3_set_mc(struct net_device *netdev)
new_mode |= VMXNET3_RXM_MCAST;
rxConf->mfTableLen = cpu_to_le16(
netdev_mc_count(netdev) * ETH_ALEN);
rxConf->mfTablePA = cpu_to_le64(virt_to_phys(
new_table));
new_table_pa = dma_map_single(
&adapter->pdev->dev,
new_table,
rxConf->mfTableLen,
PCI_DMA_TODEVICE);
rxConf->mfTablePA = cpu_to_le64(new_table_pa);
} else {
netdev_info(netdev, "failed to copy mcast list"
", setting ALL_MULTI\n");
@ -2056,7 +2080,11 @@ vmxnet3_set_mc(struct net_device *netdev)
VMXNET3_CMD_UPDATE_MAC_FILTERS);
spin_unlock_irqrestore(&adapter->cmd_lock, flags);
kfree(new_table);
if (new_table) {
dma_unmap_single(&adapter->pdev->dev, new_table_pa,
rxConf->mfTableLen, PCI_DMA_TODEVICE);
kfree(new_table);
}
}
void
@ -2096,7 +2124,7 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
devRead->misc.driverInfo.vmxnet3RevSpt = cpu_to_le32(1);
devRead->misc.driverInfo.uptVerSpt = cpu_to_le32(1);
devRead->misc.ddPA = cpu_to_le64(virt_to_phys(adapter));
devRead->misc.ddPA = cpu_to_le64(adapter->adapter_pa);
devRead->misc.ddLen = cpu_to_le32(sizeof(struct vmxnet3_adapter));
/* set up feature flags */
@ -2125,7 +2153,7 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
tqc->txRingBasePA = cpu_to_le64(tq->tx_ring.basePA);
tqc->dataRingBasePA = cpu_to_le64(tq->data_ring.basePA);
tqc->compRingBasePA = cpu_to_le64(tq->comp_ring.basePA);
tqc->ddPA = cpu_to_le64(virt_to_phys(tq->buf_info));
tqc->ddPA = cpu_to_le64(tq->buf_info_pa);
tqc->txRingSize = cpu_to_le32(tq->tx_ring.size);
tqc->dataRingSize = cpu_to_le32(tq->data_ring.size);
tqc->compRingSize = cpu_to_le32(tq->comp_ring.size);
@ -2143,8 +2171,7 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
rqc->rxRingBasePA[0] = cpu_to_le64(rq->rx_ring[0].basePA);
rqc->rxRingBasePA[1] = cpu_to_le64(rq->rx_ring[1].basePA);
rqc->compRingBasePA = cpu_to_le64(rq->comp_ring.basePA);
rqc->ddPA = cpu_to_le64(virt_to_phys(
rq->buf_info));
rqc->ddPA = cpu_to_le64(rq->buf_info_pa);
rqc->rxRingSize[0] = cpu_to_le32(rq->rx_ring[0].size);
rqc->rxRingSize[1] = cpu_to_le32(rq->rx_ring[1].size);
rqc->compRingSize = cpu_to_le32(rq->comp_ring.size);
@ -2184,8 +2211,9 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
i, adapter->num_rx_queues);
devRead->rssConfDesc.confVer = 1;
devRead->rssConfDesc.confLen = sizeof(*rssConf);
devRead->rssConfDesc.confPA = virt_to_phys(rssConf);
devRead->rssConfDesc.confLen = cpu_to_le32(sizeof(*rssConf));
devRead->rssConfDesc.confPA =
cpu_to_le64(adapter->rss_conf_pa);
}
#endif /* VMXNET3_RSS */
@ -2948,9 +2976,13 @@ vmxnet3_probe_device(struct pci_dev *pdev,
adapter->pdev = pdev;
spin_lock_init(&adapter->cmd_lock);
adapter->shared = pci_alloc_consistent(adapter->pdev,
sizeof(struct Vmxnet3_DriverShared),
&adapter->shared_pa);
adapter->adapter_pa = dma_map_single(&adapter->pdev->dev, adapter,
sizeof(struct vmxnet3_adapter),
PCI_DMA_TODEVICE);
adapter->shared = dma_alloc_coherent(
&adapter->pdev->dev,
sizeof(struct Vmxnet3_DriverShared),
&adapter->shared_pa, GFP_KERNEL);
if (!adapter->shared) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
err = -ENOMEM;
@ -2963,8 +2995,9 @@ vmxnet3_probe_device(struct pci_dev *pdev,
size = sizeof(struct Vmxnet3_TxQueueDesc) * adapter->num_tx_queues;
size += sizeof(struct Vmxnet3_RxQueueDesc) * adapter->num_rx_queues;
adapter->tqd_start = pci_alloc_consistent(adapter->pdev, size,
&adapter->queue_desc_pa);
adapter->tqd_start = dma_alloc_coherent(&adapter->pdev->dev, size,
&adapter->queue_desc_pa,
GFP_KERNEL);
if (!adapter->tqd_start) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
@ -2974,7 +3007,10 @@ vmxnet3_probe_device(struct pci_dev *pdev,
adapter->rqd_start = (struct Vmxnet3_RxQueueDesc *)(adapter->tqd_start +
adapter->num_tx_queues);
adapter->pm_conf = kmalloc(sizeof(struct Vmxnet3_PMConf), GFP_KERNEL);
adapter->pm_conf = dma_alloc_coherent(&adapter->pdev->dev,
sizeof(struct Vmxnet3_PMConf),
&adapter->pm_conf_pa,
GFP_KERNEL);
if (adapter->pm_conf == NULL) {
err = -ENOMEM;
goto err_alloc_pm;
@ -2982,7 +3018,10 @@ vmxnet3_probe_device(struct pci_dev *pdev,
#ifdef VMXNET3_RSS
adapter->rss_conf = kmalloc(sizeof(struct UPT1_RSSConf), GFP_KERNEL);
adapter->rss_conf = dma_alloc_coherent(&adapter->pdev->dev,
sizeof(struct UPT1_RSSConf),
&adapter->rss_conf_pa,
GFP_KERNEL);
if (adapter->rss_conf == NULL) {
err = -ENOMEM;
goto err_alloc_rss;
@ -3077,17 +3116,22 @@ err_ver:
vmxnet3_free_pci_resources(adapter);
err_alloc_pci:
#ifdef VMXNET3_RSS
kfree(adapter->rss_conf);
dma_free_coherent(&adapter->pdev->dev, sizeof(struct UPT1_RSSConf),
adapter->rss_conf, adapter->rss_conf_pa);
err_alloc_rss:
#endif
kfree(adapter->pm_conf);
dma_free_coherent(&adapter->pdev->dev, sizeof(struct Vmxnet3_PMConf),
adapter->pm_conf, adapter->pm_conf_pa);
err_alloc_pm:
pci_free_consistent(adapter->pdev, size, adapter->tqd_start,
adapter->queue_desc_pa);
dma_free_coherent(&adapter->pdev->dev, size, adapter->tqd_start,
adapter->queue_desc_pa);
err_alloc_queue_desc:
pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_DriverShared),
adapter->shared, adapter->shared_pa);
dma_free_coherent(&adapter->pdev->dev,
sizeof(struct Vmxnet3_DriverShared),
adapter->shared, adapter->shared_pa);
err_alloc_shared:
dma_unmap_single(&adapter->pdev->dev, adapter->adapter_pa,
sizeof(struct vmxnet3_adapter), PCI_DMA_TODEVICE);
pci_set_drvdata(pdev, NULL);
free_netdev(netdev);
return err;
@ -3118,16 +3162,21 @@ vmxnet3_remove_device(struct pci_dev *pdev)
vmxnet3_free_intr_resources(adapter);
vmxnet3_free_pci_resources(adapter);
#ifdef VMXNET3_RSS
kfree(adapter->rss_conf);
dma_free_coherent(&adapter->pdev->dev, sizeof(struct UPT1_RSSConf),
adapter->rss_conf, adapter->rss_conf_pa);
#endif
kfree(adapter->pm_conf);
dma_free_coherent(&adapter->pdev->dev, sizeof(struct Vmxnet3_PMConf),
adapter->pm_conf, adapter->pm_conf_pa);
size = sizeof(struct Vmxnet3_TxQueueDesc) * adapter->num_tx_queues;
size += sizeof(struct Vmxnet3_RxQueueDesc) * num_rx_queues;
pci_free_consistent(adapter->pdev, size, adapter->tqd_start,
adapter->queue_desc_pa);
pci_free_consistent(adapter->pdev, sizeof(struct Vmxnet3_DriverShared),
adapter->shared, adapter->shared_pa);
dma_free_coherent(&adapter->pdev->dev, size, adapter->tqd_start,
adapter->queue_desc_pa);
dma_free_coherent(&adapter->pdev->dev,
sizeof(struct Vmxnet3_DriverShared),
adapter->shared, adapter->shared_pa);
dma_unmap_single(&adapter->pdev->dev, adapter->adapter_pa,
sizeof(struct vmxnet3_adapter), PCI_DMA_TODEVICE);
free_netdev(netdev);
}
@ -3227,8 +3276,8 @@ skip_arp:
adapter->shared->devRead.pmConfDesc.confVer = cpu_to_le32(1);
adapter->shared->devRead.pmConfDesc.confLen = cpu_to_le32(sizeof(
*pmConf));
adapter->shared->devRead.pmConfDesc.confPA = cpu_to_le64(virt_to_phys(
pmConf));
adapter->shared->devRead.pmConfDesc.confPA =
cpu_to_le64(adapter->pm_conf_pa);
spin_lock_irqsave(&adapter->cmd_lock, flags);
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
@ -3265,8 +3314,8 @@ vmxnet3_resume(struct device *device)
adapter->shared->devRead.pmConfDesc.confVer = cpu_to_le32(1);
adapter->shared->devRead.pmConfDesc.confLen = cpu_to_le32(sizeof(
*pmConf));
adapter->shared->devRead.pmConfDesc.confPA = cpu_to_le64(virt_to_phys(
pmConf));
adapter->shared->devRead.pmConfDesc.confPA =
cpu_to_le64(adapter->pm_conf_pa);
netif_device_attach(netdev);
pci_set_power_state(pdev, PCI_D0);

10
drivers/net/vmxnet3/vmxnet3_int.h
View File

@ -70,10 +70,10 @@
/*
* Version numbers
*/
#define VMXNET3_DRIVER_VERSION_STRING "1.1.30.0-k"
#define VMXNET3_DRIVER_VERSION_STRING "1.2.0.0-k"
/* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */
#define VMXNET3_DRIVER_VERSION_NUM 0x01011E00
#define VMXNET3_DRIVER_VERSION_NUM 0x01020000
#if defined(CONFIG_PCI_MSI)
/* RSS only makes sense if MSI-X is supported. */
@ -229,6 +229,7 @@ struct vmxnet3_tx_queue {
spinlock_t tx_lock;
struct vmxnet3_cmd_ring tx_ring;
struct vmxnet3_tx_buf_info *buf_info;
dma_addr_t buf_info_pa;
struct vmxnet3_tx_data_ring data_ring;
struct vmxnet3_comp_ring comp_ring;
struct Vmxnet3_TxQueueCtrl *shared;
@ -277,6 +278,7 @@ struct vmxnet3_rx_queue {
u32 qid; /* rqID in RCD for buffer from 1st ring */
u32 qid2; /* rqID in RCD for buffer from 2nd ring */
struct vmxnet3_rx_buf_info *buf_info[2];
dma_addr_t buf_info_pa;
struct Vmxnet3_RxQueueCtrl *shared;
struct vmxnet3_rq_driver_stats stats;
} __attribute__((__aligned__(SMP_CACHE_BYTES)));
@ -353,6 +355,10 @@ struct vmxnet3_adapter {
unsigned long state; /* VMXNET3_STATE_BIT_xxx */
int share_intr;
dma_addr_t adapter_pa;
dma_addr_t pm_conf_pa;
dma_addr_t rss_conf_pa;
};
#define VMXNET3_WRITE_BAR0_REG(adapter, reg, val) \