* [PATCH net-next 1/3] qlcnic: Pre-allocate DMA buffer used for minidump collection
2014-06-11 18:09 [PATCH net-next 0/3] qlcnic: Enhancement and optimization Shahed Shaikh
@ 2014-06-11 18:09 ` Shahed Shaikh
2014-06-11 18:09 ` [PATCH net-next 2/3] qlcnic: Optimize ring count validations Shahed Shaikh
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Shahed Shaikh @ 2014-06-11 18:09 UTC (permalink / raw)
To: davem; +Cc: netdev, Dept-HSGLinuxNICDev, Shahed Shaikh
From: Shahed Shaikh <shahed.shaikh@qlogic.com>
Pre-allocate the physically contiguous DMA buffer used for
minidump collection at driver load time, rather than at
run time, to minimize allocation failures. Driver will allocate
the buffer at load time if PEX DMA support capability is indicated
by the adapter.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
---
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h | 2 ++
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 14 ++++++++--
.../net/ethernet/qlogic/qlcnic/qlcnic_minidump.c | 32 ++++++++++------------
3 files changed, 28 insertions(+), 20 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 41abe60..d85f7e1 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -441,6 +441,8 @@ struct qlcnic_82xx_dump_template_hdr {
u32 rsvd1[0];
};
+#define QLC_PEX_DMA_READ_SIZE (PAGE_SIZE * 16)
+
struct qlcnic_fw_dump {
u8 clr; /* flag to indicate if dump is cleared */
bool enable; /* enable/disable dump */
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index f06ba90b..1c18891 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2087,12 +2087,20 @@ err_out:
static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
{
+ struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
+
kfree(adapter->recv_ctx);
adapter->recv_ctx = NULL;
- if (adapter->ahw->fw_dump.tmpl_hdr) {
- vfree(adapter->ahw->fw_dump.tmpl_hdr);
- adapter->ahw->fw_dump.tmpl_hdr = NULL;
+ if (fw_dump->tmpl_hdr) {
+ vfree(fw_dump->tmpl_hdr);
+ fw_dump->tmpl_hdr = NULL;
+ }
+
+ if (fw_dump->dma_buffer) {
+ dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE,
+ fw_dump->dma_buffer, fw_dump->phys_addr);
+ fw_dump->dma_buffer = NULL;
}
kfree(adapter->ahw->reset.buff);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
index f7694da..e46fc39 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
@@ -660,8 +660,6 @@ out:
#define QLC_DMA_CMD_BUFF_ADDR_HI 4
#define QLC_DMA_CMD_STATUS_CTRL 8
-#define QLC_PEX_DMA_READ_SIZE (PAGE_SIZE * 16)
-
static int qlcnic_start_pex_dma(struct qlcnic_adapter *adapter,
struct __mem *mem)
{
@@ -1155,6 +1153,7 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter)
u32 version, csum, *tmp_buf;
u8 use_flash_temp = 0;
u32 temp_size = 0;
+ void *temp_buffer;
int err;
ahw = adapter->ahw;
@@ -1204,6 +1203,19 @@ flash_temp:
qlcnic_cache_tmpl_hdr_values(adapter, fw_dump);
+ if (fw_dump->use_pex_dma) {
+ fw_dump->dma_buffer = NULL;
+ temp_buffer = dma_alloc_coherent(&adapter->pdev->dev,
+ QLC_PEX_DMA_READ_SIZE,
+ &fw_dump->phys_addr,
+ GFP_KERNEL);
+ if (!temp_buffer)
+ fw_dump->use_pex_dma = false;
+ else
+ fw_dump->dma_buffer = temp_buffer;
+ }
+
+
dev_info(&adapter->pdev->dev,
"Default minidump capture mask 0x%x\n",
fw_dump->cap_mask);
@@ -1223,7 +1235,7 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
struct device *dev = &adapter->pdev->dev;
struct qlcnic_hardware_context *ahw;
struct qlcnic_dump_entry *entry;
- void *temp_buffer, *tmpl_hdr;
+ void *tmpl_hdr;
u32 ocm_window;
__le32 *buffer;
char mesg[64];
@@ -1267,16 +1279,6 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
qlcnic_set_sys_info(adapter, tmpl_hdr, 0, QLCNIC_DRIVER_VERSION);
qlcnic_set_sys_info(adapter, tmpl_hdr, 1, adapter->fw_version);
- if (fw_dump->use_pex_dma) {
- temp_buffer = dma_alloc_coherent(dev, QLC_PEX_DMA_READ_SIZE,
- &fw_dump->phys_addr,
- GFP_KERNEL);
- if (!temp_buffer)
- fw_dump->use_pex_dma = false;
- else
- fw_dump->dma_buffer = temp_buffer;
- }
-
if (qlcnic_82xx_check(adapter)) {
ops_cnt = ARRAY_SIZE(qlcnic_fw_dump_ops);
fw_dump_ops = qlcnic_fw_dump_ops;
@@ -1334,10 +1336,6 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
/* Send a udev event to notify availability of FW dump */
kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, msg);
- if (fw_dump->use_pex_dma)
- dma_free_coherent(dev, QLC_PEX_DMA_READ_SIZE,
- fw_dump->dma_buffer, fw_dump->phys_addr);
-
return 0;
}
--
1.8.1.4
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH net-next 2/3] qlcnic: Optimize ring count validations
2014-06-11 18:09 [PATCH net-next 0/3] qlcnic: Enhancement and optimization Shahed Shaikh
2014-06-11 18:09 ` [PATCH net-next 1/3] qlcnic: Pre-allocate DMA buffer used for minidump collection Shahed Shaikh
@ 2014-06-11 18:09 ` Shahed Shaikh
2014-06-11 18:09 ` [PATCH net-next 3/3] qlcnic: Update version to 5.3.60 Shahed Shaikh
2014-06-11 22:45 ` [PATCH net-next 0/3] qlcnic: Enhancement and optimization David Miller
3 siblings, 0 replies; 5+ messages in thread
From: Shahed Shaikh @ 2014-06-11 18:09 UTC (permalink / raw)
To: davem; +Cc: netdev, Dept-HSGLinuxNICDev, Shahed Shaikh
From: Shahed Shaikh <shahed.shaikh@qlogic.com>
- Check interrupt mode at the start of qlcnic_set_channels().
- Do not validate ring count if they are not going to change.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
---
drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c | 9 +++++++--
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 10 ----------
2 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
index 5bacf52..1b7f3db 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
@@ -726,6 +726,11 @@ static int qlcnic_set_channels(struct net_device *dev,
struct qlcnic_adapter *adapter = netdev_priv(dev);
int err;
+ if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
+ netdev_err(dev, "No RSS/TSS support in non MSI-X mode\n");
+ return -EINVAL;
+ }
+
if (channel->other_count || channel->combined_count)
return -EINVAL;
@@ -734,7 +739,7 @@ static int qlcnic_set_channels(struct net_device *dev,
if (err)
return err;
- if (channel->rx_count) {
+ if (adapter->drv_sds_rings != channel->rx_count) {
err = qlcnic_validate_rings(adapter, channel->rx_count,
QLCNIC_RX_QUEUE);
if (err) {
@@ -745,7 +750,7 @@ static int qlcnic_set_channels(struct net_device *dev,
adapter->drv_rss_rings = channel->rx_count;
}
- if (channel->tx_count) {
+ if (adapter->drv_tx_rings != channel->tx_count) {
err = qlcnic_validate_rings(adapter, channel->tx_count,
QLCNIC_TX_QUEUE);
if (err) {
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 1c18891..4fc1867 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -4003,16 +4003,6 @@ int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
strcpy(buf, "Tx");
}
- if (!QLCNIC_IS_MSI_FAMILY(adapter)) {
- netdev_err(netdev, "No RSS/TSS support in INT-x mode\n");
- return -EINVAL;
- }
-
- if (adapter->flags & QLCNIC_MSI_ENABLED) {
- netdev_err(netdev, "No RSS/TSS support in MSI mode\n");
- return -EINVAL;
- }
-
if (!is_power_of_2(ring_cnt)) {
netdev_err(netdev, "%s rings value should be a power of 2\n",
buf);
--
1.8.1.4
^ permalink raw reply related [flat|nested] 5+ messages in thread