ring->ndev->name, __func__, __LINE__);
ring->pkts_processed = 0;
- vxge_hw_ring_replenish(ringh, 0);
+ vxge_hw_ring_replenish(ringh);
do {
prefetch((char *)dtr + L1_CACHE_BYTES);
*/
static void vxge_set_multicast(struct net_device *dev)
{
- struct dev_mc_list *mclist;
+ struct netdev_hw_addr *ha;
struct vxgedev *vdev;
int i, mcast_cnt = 0;
struct __vxge_hw_device *hldev;
}
/* Add new ones */
- netdev_for_each_mc_addr(mclist, dev) {
- memcpy(mac_info.macaddr, mclist->dmi_addr, ETH_ALEN);
+ netdev_for_each_mc_addr(ha, dev) {
+ memcpy(mac_info.macaddr, ha->addr, ETH_ALEN);
for (vpath_idx = 0; vpath_idx < vdev->no_of_vpath;
vpath_idx++) {
mac_info.vpath_no = vpath_idx;
void vxge_vpath_intr_enable(struct vxgedev *vdev, int vp_id)
{
struct vxge_vpath *vpath = &vdev->vpaths[vp_id];
- int msix_id, alarm_msix_id;
- int tim_msix_id[4] = {[0 ...3] = 0};
+ int msix_id = 0;
+ int tim_msix_id[4] = {0, 1, 0, 0};
+ int alarm_msix_id = VXGE_ALARM_MSIX_ID;
vxge_hw_vpath_intr_enable(vpath->handle);
if (vdev->config.intr_type == INTA)
vxge_hw_vpath_inta_unmask_tx_rx(vpath->handle);
else {
- msix_id = vp_id * VXGE_HW_VPATH_MSIX_ACTIVE;
- alarm_msix_id =
- VXGE_HW_VPATH_MSIX_ACTIVE * vdev->no_of_vpath - 2;
-
- tim_msix_id[0] = msix_id;
- tim_msix_id[1] = msix_id + 1;
vxge_hw_vpath_msix_set(vpath->handle, tim_msix_id,
alarm_msix_id);
+ msix_id = vpath->device_id * VXGE_HW_VPATH_MSIX_ACTIVE;
vxge_hw_vpath_msix_unmask(vpath->handle, msix_id);
vxge_hw_vpath_msix_unmask(vpath->handle, msix_id + 1);
/* enable the alarm vector */
- vxge_hw_vpath_msix_unmask(vpath->handle, alarm_msix_id);
+ msix_id = (vpath->handle->vpath->hldev->first_vp_id *
+ VXGE_HW_VPATH_MSIX_ACTIVE) + alarm_msix_id;
+ vxge_hw_vpath_msix_unmask(vpath->handle, msix_id);
}
}
if (vdev->config.intr_type == INTA)
vxge_hw_vpath_inta_mask_tx_rx(vpath->handle);
else {
- msix_id = vp_id * VXGE_HW_VPATH_MSIX_ACTIVE;
+ msix_id = vpath->device_id * VXGE_HW_VPATH_MSIX_ACTIVE;
vxge_hw_vpath_msix_mask(vpath->handle, msix_id);
vxge_hw_vpath_msix_mask(vpath->handle, msix_id + 1);
/* disable the alarm vector */
- msix_id = VXGE_HW_VPATH_MSIX_ACTIVE * vdev->no_of_vpath - 2;
+ msix_id = (vpath->handle->vpath->hldev->first_vp_id *
+ VXGE_HW_VPATH_MSIX_ACTIVE) + VXGE_ALARM_MSIX_ID;
vxge_hw_vpath_msix_mask(vpath->handle, msix_id);
}
}
vxge_debug_entryexit(VXGE_TRACE,
"%s:%d Exiting...", __func__, __LINE__);
- return;
}
#endif
enum vxge_hw_status status;
struct vxge_vpath *vpath = (struct vxge_vpath *)dev_id;
struct vxgedev *vdev = vpath->vdev;
- int alarm_msix_id =
- VXGE_HW_VPATH_MSIX_ACTIVE * vdev->no_of_vpath - 2;
+ int msix_id = (vpath->handle->vpath->vp_id *
+ VXGE_HW_VPATH_MSIX_ACTIVE) + VXGE_ALARM_MSIX_ID;
for (i = 0; i < vdev->no_of_vpath; i++) {
- vxge_hw_vpath_msix_mask(vdev->vpaths[i].handle,
- alarm_msix_id);
+ vxge_hw_vpath_msix_mask(vdev->vpaths[i].handle, msix_id);
status = vxge_hw_vpath_alarm_process(vdev->vpaths[i].handle,
vdev->exec_mode);
if (status == VXGE_HW_OK) {
vxge_hw_vpath_msix_unmask(vdev->vpaths[i].handle,
- alarm_msix_id);
+ msix_id);
continue;
}
vxge_debug_intr(VXGE_ERR,
static int vxge_alloc_msix(struct vxgedev *vdev)
{
int j, i, ret = 0;
- int intr_cnt = 0;
- int alarm_msix_id = 0, msix_intr_vect = 0;
+ int msix_intr_vect = 0, temp;
vdev->intr_cnt = 0;
+start:
/* Tx/Rx MSIX Vectors count */
vdev->intr_cnt = vdev->no_of_vpath * 2;
/* Alarm MSIX Vectors count */
vdev->intr_cnt++;
- intr_cnt = (vdev->max_vpath_supported * 2) + 1;
- vdev->entries = kzalloc(intr_cnt * sizeof(struct msix_entry),
+ vdev->entries = kzalloc(vdev->intr_cnt * sizeof(struct msix_entry),
GFP_KERNEL);
if (!vdev->entries) {
vxge_debug_init(VXGE_ERR,
return -ENOMEM;
}
- vdev->vxge_entries = kzalloc(intr_cnt * sizeof(struct vxge_msix_entry),
- GFP_KERNEL);
+ vdev->vxge_entries =
+ kzalloc(vdev->intr_cnt * sizeof(struct vxge_msix_entry),
+ GFP_KERNEL);
if (!vdev->vxge_entries) {
vxge_debug_init(VXGE_ERR, "%s: memory allocation failed",
VXGE_DRIVER_NAME);
return -ENOMEM;
}
- /* Last vector in the list is used for alarm */
- alarm_msix_id = VXGE_HW_VPATH_MSIX_ACTIVE * vdev->no_of_vpath - 2;
- for (i = 0, j = 0; i < vdev->max_vpath_supported; i++) {
+ for (i = 0, j = 0; i < vdev->no_of_vpath; i++) {
msix_intr_vect = i * VXGE_HW_VPATH_MSIX_ACTIVE;
}
/* Initialize the alarm vector */
- vdev->entries[j].entry = alarm_msix_id;
- vdev->vxge_entries[j].entry = alarm_msix_id;
+ vdev->entries[j].entry = VXGE_ALARM_MSIX_ID;
+ vdev->vxge_entries[j].entry = VXGE_ALARM_MSIX_ID;
vdev->vxge_entries[j].in_use = 0;
- ret = pci_enable_msix(vdev->pdev, vdev->entries, intr_cnt);
- /* if driver request exceeeds available irq's, request with a small
- * number.
- */
- if (ret > 0) {
- vxge_debug_init(VXGE_ERR,
- "%s: MSI-X enable failed for %d vectors, available: %d",
- VXGE_DRIVER_NAME, intr_cnt, ret);
- vdev->max_vpath_supported = vdev->no_of_vpath;
- intr_cnt = (vdev->max_vpath_supported * 2) + 1;
-
- /* Reset the alarm vector setting */
- vdev->entries[j].entry = 0;
- vdev->vxge_entries[j].entry = 0;
-
- /* Initialize the alarm vector with new setting */
- vdev->entries[intr_cnt - 1].entry = alarm_msix_id;
- vdev->vxge_entries[intr_cnt - 1].entry = alarm_msix_id;
- vdev->vxge_entries[intr_cnt - 1].in_use = 0;
-
- ret = pci_enable_msix(vdev->pdev, vdev->entries, intr_cnt);
- if (!ret)
- vxge_debug_init(VXGE_ERR,
- "%s: MSI-X enabled for %d vectors",
- VXGE_DRIVER_NAME, intr_cnt);
- }
+ ret = pci_enable_msix(vdev->pdev, vdev->entries, vdev->intr_cnt);
- if (ret) {
+ if (ret > 0) {
vxge_debug_init(VXGE_ERR,
"%s: MSI-X enable failed for %d vectors, ret: %d",
- VXGE_DRIVER_NAME, intr_cnt, ret);
+ VXGE_DRIVER_NAME, vdev->intr_cnt, ret);
kfree(vdev->entries);
kfree(vdev->vxge_entries);
vdev->entries = NULL;
vdev->vxge_entries = NULL;
+
+ if ((max_config_vpath != VXGE_USE_DEFAULT) || (ret < 3))
+ return -ENODEV;
+ /* Try with less no of vector by reducing no of vpaths count */
+ temp = (ret - 1)/2;
+ vxge_close_vpaths(vdev, temp);
+ vdev->no_of_vpath = temp;
+ goto start;
+ } else if (ret < 0)
return -ENODEV;
- }
+
return 0;
}
{
int i, ret = 0;
- enum vxge_hw_status status;
/* 0 - Tx, 1 - Rx */
- int tim_msix_id[4];
- int alarm_msix_id = 0, msix_intr_vect = 0;
+ int tim_msix_id[4] = {0, 1, 0, 0};
+
vdev->intr_cnt = 0;
/* allocate msix vectors */
ret = vxge_alloc_msix(vdev);
if (!ret) {
- /* Last vector in the list is used for alarm */
- alarm_msix_id =
- VXGE_HW_VPATH_MSIX_ACTIVE * vdev->no_of_vpath - 2;
for (i = 0; i < vdev->no_of_vpath; i++) {
/* If fifo or ring are not enabled
the MSIX vector for that should be set to 0
Hence initializeing this array to all 0s.
*/
- memset(tim_msix_id, 0, sizeof(tim_msix_id));
- msix_intr_vect = i * VXGE_HW_VPATH_MSIX_ACTIVE;
- tim_msix_id[0] = msix_intr_vect;
-
- tim_msix_id[1] = msix_intr_vect + 1;
- vdev->vpaths[i].ring.rx_vector_no = tim_msix_id[1];
+ vdev->vpaths[i].ring.rx_vector_no =
+ (vdev->vpaths[i].device_id *
+ VXGE_HW_VPATH_MSIX_ACTIVE) + 1;
- status = vxge_hw_vpath_msix_set(
- vdev->vpaths[i].handle,
- tim_msix_id, alarm_msix_id);
- if (status != VXGE_HW_OK) {
- vxge_debug_init(VXGE_ERR,
- "vxge_hw_vpath_msix_set "
- "failed with status : %x", status);
- kfree(vdev->entries);
- kfree(vdev->vxge_entries);
- pci_disable_msix(vdev->pdev);
- return -ENODEV;
- }
+ vxge_hw_vpath_msix_set(vdev->vpaths[i].handle,
+ tim_msix_id, VXGE_ALARM_MSIX_ID);
}
}
{
int intr_cnt;
- for (intr_cnt = 0; intr_cnt < (vdev->max_vpath_supported * 2 + 1);
+ for (intr_cnt = 0; intr_cnt < (vdev->no_of_vpath * 2 + 1);
intr_cnt++) {
if (vdev->vxge_entries[intr_cnt].in_use) {
synchronize_irq(vdev->entries[intr_cnt].vector);
switch (msix_idx) {
case 0:
snprintf(vdev->desc[intr_cnt], VXGE_INTR_STRLEN,
- "%s:vxge fn: %d vpath: %d Tx MSI-X: %d",
- vdev->ndev->name, pci_fun, vp_idx,
- vdev->entries[intr_cnt].entry);
+ "%s:vxge:MSI-X %d - Tx - fn:%d vpath:%d",
+ vdev->ndev->name,
+ vdev->entries[intr_cnt].entry,
+ pci_fun, vp_idx);
ret = request_irq(
vdev->entries[intr_cnt].vector,
vxge_tx_msix_handle, 0,
break;
case 1:
snprintf(vdev->desc[intr_cnt], VXGE_INTR_STRLEN,
- "%s:vxge fn: %d vpath: %d Rx MSI-X: %d",
- vdev->ndev->name, pci_fun, vp_idx,
- vdev->entries[intr_cnt].entry);
+ "%s:vxge:MSI-X %d - Rx - fn:%d vpath:%d",
+ vdev->ndev->name,
+ vdev->entries[intr_cnt].entry,
+ pci_fun, vp_idx);
ret = request_irq(
vdev->entries[intr_cnt].vector,
vxge_rx_msix_napi_handle,
if (irq_req) {
/* We requested for this msix interrupt */
vdev->vxge_entries[intr_cnt].in_use = 1;
+ msix_idx += vdev->vpaths[vp_idx].device_id *
+ VXGE_HW_VPATH_MSIX_ACTIVE;
vxge_hw_vpath_msix_unmask(
vdev->vpaths[vp_idx].handle,
- intr_idx);
+ msix_idx);
intr_cnt++;
}
vp_idx++;
}
- intr_cnt = vdev->max_vpath_supported * 2;
+ intr_cnt = vdev->no_of_vpath * 2;
snprintf(vdev->desc[intr_cnt], VXGE_INTR_STRLEN,
- "%s:vxge Alarm fn: %d MSI-X: %d",
- vdev->ndev->name, pci_fun,
- vdev->entries[intr_cnt].entry);
+ "%s:vxge:MSI-X %d - Alarm - fn:%d",
+ vdev->ndev->name,
+ vdev->entries[intr_cnt].entry,
+ pci_fun);
/* For Alarm interrupts */
ret = request_irq(vdev->entries[intr_cnt].vector,
vxge_alarm_msix_handle, 0,
vdev->desc[intr_cnt],
- &vdev->vpaths[vp_idx]);
+ &vdev->vpaths[0]);
if (ret) {
vxge_debug_init(VXGE_ERR,
"%s: MSIX - %d Registration failed",
goto INTA_MODE;
}
+ msix_idx = (vdev->vpaths[0].handle->vpath->vp_id *
+ VXGE_HW_VPATH_MSIX_ACTIVE) + VXGE_ALARM_MSIX_ID;
vxge_hw_vpath_msix_unmask(vdev->vpaths[vp_idx].handle,
- intr_idx - 2);
+ msix_idx);
vdev->vxge_entries[intr_cnt].in_use = 1;
- vdev->vxge_entries[intr_cnt].arg = &vdev->vpaths[vp_idx];
+ vdev->vxge_entries[intr_cnt].arg = &vdev->vpaths[0];
}
INTA_MODE:
#endif
- snprintf(vdev->desc[0], VXGE_INTR_STRLEN, "%s:vxge", vdev->ndev->name);
if (vdev->config.intr_type == INTA) {
+ snprintf(vdev->desc[0], VXGE_INTR_STRLEN,
+ "%s:vxge:INTA", vdev->ndev->name);
vxge_hw_device_set_intr_type(vdev->devh,
VXGE_HW_INTR_MODE_IRQLINE);
vxge_hw_vpath_tti_ci_set(vdev->devh,
for (i = 0; i < vdev->no_of_vpath; i++)
netif_napi_del(&vdev->vpaths[i].ring.napi);
}
- return;
}
int do_vxge_close(struct net_device *dev, int do_io)
for (i = 1; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++)
bw_percentage[i] = bw_percentage[0];
}
-
- return;
}
/*
netif_device_attach(netdev);
}
+static inline u32 vxge_get_num_vfs(u64 function_mode)
+{
+ u32 num_functions = 0;
+
+ switch (function_mode) {
+ case VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION:
+ case VXGE_HW_FUNCTION_MODE_SRIOV_8:
+ num_functions = 8;
+ break;
+ case VXGE_HW_FUNCTION_MODE_SINGLE_FUNCTION:
+ num_functions = 1;
+ break;
+ case VXGE_HW_FUNCTION_MODE_SRIOV:
+ case VXGE_HW_FUNCTION_MODE_MRIOV:
+ case VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_17:
+ num_functions = 17;
+ break;
+ case VXGE_HW_FUNCTION_MODE_SRIOV_4:
+ num_functions = 4;
+ break;
+ case VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_2:
+ num_functions = 2;
+ break;
+ case VXGE_HW_FUNCTION_MODE_MRIOV_8:
+ num_functions = 8; /* TODO */
+ break;
+ }
+ return num_functions;
+}
+
/**
* vxge_probe
* @pdev : structure containing the PCI related information of the device.
u8 *macaddr;
struct vxge_mac_addrs *entry;
static int bus = -1, device = -1;
+ u32 host_type;
u8 new_device = 0;
+ enum vxge_hw_status is_privileged;
+ u32 function_mode;
+ u32 num_vfs = 0;
vxge_debug_entryexit(VXGE_TRACE, "%s:%d", __func__, __LINE__);
attr.pdev = pdev;
- if (bus != pdev->bus->number)
- new_device = 1;
- if (device != PCI_SLOT(pdev->devfn))
+ /* In SRIOV-17 mode, functions of the same adapter
+ * can be deployed on different buses */
+ if ((!pdev->is_virtfn) && ((bus != pdev->bus->number) ||
+ (device != PCI_SLOT(pdev->devfn))))
new_device = 1;
bus = pdev->bus->number;
driver_config->total_dev_cnt);
driver_config->config_dev_cnt = 0;
driver_config->total_dev_cnt = 0;
- driver_config->g_no_cpus = 0;
}
-
+ /* Now making the CPU based no of vpath calculation
+ * applicable for individual functions as well.
+ */
+ driver_config->g_no_cpus = 0;
driver_config->vpath_per_dev = max_config_vpath;
driver_config->total_dev_cnt++;
"%s:%d Vpath mask = %llx", __func__, __LINE__,
(unsigned long long)vpath_mask);
+ function_mode = ll_config.device_hw_info.function_mode;
+ host_type = ll_config.device_hw_info.host_type;
+ is_privileged = __vxge_hw_device_is_privilaged(host_type,
+ ll_config.device_hw_info.func_id);
+
/* Check how many vpaths are available */
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
if (!((vpath_mask) & vxge_mBIT(i)))
max_vpath_supported++;
}
+ if (new_device)
+ num_vfs = vxge_get_num_vfs(function_mode) - 1;
+
/* Enable SRIOV mode, if firmware has SRIOV support and if it is a PF */
- if ((VXGE_HW_FUNCTION_MODE_SRIOV ==
- ll_config.device_hw_info.function_mode) &&
- (max_config_dev > 1) && (pdev->is_physfn)) {
- ret = pci_enable_sriov(pdev, max_config_dev - 1);
- if (ret)
- vxge_debug_ll_config(VXGE_ERR,
- "Failed to enable SRIOV: %d \n", ret);
+ if (is_sriov(function_mode) && (max_config_dev > 1) &&
+ (ll_config.intr_type != INTA) &&
+ (is_privileged == VXGE_HW_OK)) {
+ ret = pci_enable_sriov(pdev, ((max_config_dev - 1) < num_vfs)
+ ? (max_config_dev - 1) : num_vfs);
+ if (ret)
+ vxge_debug_ll_config(VXGE_ERR,
+ "Failed in enabling SRIOV mode: %d\n", ret);
}
/*
projects / linux-flexiantxendom0-3.2.10.git / blobdiff