}
/* Mark all fields invalid */
-static void be_reset_nic_desc(struct be_nic_res_desc *nic)
+void be_reset_nic_desc(struct be_nic_res_desc *nic)
{
memset(nic, 0, sizeof(*nic));
nic->unicast_mac_count = 0xFFFF;
1, version, domain);
}
-static void be_fill_vf_res_template(struct be_adapter *adapter,
- struct be_resources pool_res,
- u16 num_vfs, u16 num_vf_qs,
- struct be_nic_res_desc *nic_vft)
-{
- u32 vf_if_cap_flags = pool_res.vf_if_cap_flags;
- struct be_resources res_mod = {0};
-
- /* Resource with fields set to all '1's by GET_PROFILE_CONFIG cmd,
- * which are modifiable using SET_PROFILE_CONFIG cmd.
- */
- be_cmd_get_profile_config(adapter, &res_mod, RESOURCE_MODIFIABLE, 0);
-
- /* If RSS IFACE capability flags are modifiable for a VF, set the
- * capability flag as valid and set RSS and DEFQ_RSS IFACE flags if
- * more than 1 RSSQ is available for a VF.
- * Otherwise, provision only 1 queue pair for VF.
- */
- if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_RSS) {
- nic_vft->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT);
- if (num_vf_qs > 1) {
- vf_if_cap_flags |= BE_IF_FLAGS_RSS;
- if (pool_res.if_cap_flags & BE_IF_FLAGS_DEFQ_RSS)
- vf_if_cap_flags |= BE_IF_FLAGS_DEFQ_RSS;
- } else {
- vf_if_cap_flags &= ~(BE_IF_FLAGS_RSS |
- BE_IF_FLAGS_DEFQ_RSS);
- }
- } else {
- num_vf_qs = 1;
- }
-
- if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) {
- nic_vft->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT);
- vf_if_cap_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS;
- }
-
- nic_vft->cap_flags = cpu_to_le32(vf_if_cap_flags);
- nic_vft->rq_count = cpu_to_le16(num_vf_qs);
- nic_vft->txq_count = cpu_to_le16(num_vf_qs);
- nic_vft->rssq_count = cpu_to_le16(num_vf_qs);
- nic_vft->cq_count = cpu_to_le16(pool_res.max_cq_count /
- (num_vfs + 1));
-
- /* Distribute unicast MACs, VLANs, IFACE count and MCCQ count equally
- * among the PF and it's VFs, if the fields are changeable
- */
- if (res_mod.max_uc_mac == FIELD_MODIFIABLE)
- nic_vft->unicast_mac_count = cpu_to_le16(pool_res.max_uc_mac /
- (num_vfs + 1));
-
- if (res_mod.max_vlans == FIELD_MODIFIABLE)
- nic_vft->vlan_count = cpu_to_le16(pool_res.max_vlans /
- (num_vfs + 1));
-
- if (res_mod.max_iface_count == FIELD_MODIFIABLE)
- nic_vft->iface_count = cpu_to_le16(pool_res.max_iface_count /
- (num_vfs + 1));
-
- if (res_mod.max_mcc_count == FIELD_MODIFIABLE)
- nic_vft->mcc_count = cpu_to_le16(pool_res.max_mcc_count /
- (num_vfs + 1));
-}
-
int be_cmd_set_sriov_config(struct be_adapter *adapter,
struct be_resources pool_res, u16 num_vfs,
- u16 num_vf_qs)
+ struct be_resources *vft_res)
{
struct {
struct be_pcie_res_desc pcie;
be_reset_nic_desc(&desc.nic_vft);
desc.nic_vft.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
desc.nic_vft.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
- desc.nic_vft.flags = BIT(VFT_SHIFT) | BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
+ desc.nic_vft.flags = vft_res->flags | BIT(VFT_SHIFT) |
+ BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
desc.nic_vft.pf_num = adapter->pdev->devfn;
desc.nic_vft.vf_num = 0;
-
- be_fill_vf_res_template(adapter, pool_res, num_vfs, num_vf_qs,
- &desc.nic_vft);
+ desc.nic_vft.cap_flags = cpu_to_le32(vft_res->vf_if_cap_flags);
+ desc.nic_vft.rq_count = cpu_to_le16(vft_res->max_rx_qs);
+ desc.nic_vft.txq_count = cpu_to_le16(vft_res->max_tx_qs);
+ desc.nic_vft.rssq_count = cpu_to_le16(vft_res->max_rss_qs);
+ desc.nic_vft.cq_count = cpu_to_le16(vft_res->max_cq_count);
+
+ if (vft_res->max_uc_mac)
+ desc.nic_vft.unicast_mac_count =
+ cpu_to_le16(vft_res->max_uc_mac);
+ if (vft_res->max_vlans)
+ desc.nic_vft.vlan_count = cpu_to_le16(vft_res->max_vlans);
+ if (vft_res->max_iface_count)
+ desc.nic_vft.iface_count =
+ cpu_to_le16(vft_res->max_iface_count);
+ if (vft_res->max_mcc_count)
+ desc.nic_vft.mcc_count = cpu_to_le16(vft_res->max_mcc_count);
return be_cmd_set_profile_config(adapter, &desc,
2 * RESOURCE_DESC_SIZE_V1, 2, 1, 0);
}
#endif
-static u16 be_calculate_vf_qs(struct be_adapter *adapter, u16 num_vfs)
+static void be_calculate_vf_res(struct be_adapter *adapter, u16 num_vfs,
+ struct be_resources *vft_res)
{
struct be_resources res = adapter->pool_res;
+ u32 vf_if_cap_flags = res.vf_if_cap_flags;
+ struct be_resources res_mod = {0};
u16 num_vf_qs = 1;
/* Distribute the queue resources among the PF and it's VFs
* Do not distribute queue resources in multi-channel configuration.
*/
if (num_vfs && !be_is_mc(adapter)) {
- /* Divide the qpairs evenly among the VFs and the PF, capped
- * at VF-EQ-count. Any remainder qpairs belong to the PF.
+ /* Divide the rx queues evenly among the VFs and the PF, capped
+ * at VF-EQ-count. Any remainder queues belong to the PF.
*/
num_vf_qs = min(SH_VF_MAX_NIC_EQS,
res.max_rss_qs / (num_vfs + 1));
if (num_vfs >= MAX_RSS_IFACES)
num_vf_qs = 1;
}
- return num_vf_qs;
+
+ /* Resource with fields set to all '1's by GET_PROFILE_CONFIG cmd,
+ * which are modifiable using SET_PROFILE_CONFIG cmd.
+ */
+ be_cmd_get_profile_config(adapter, &res_mod, RESOURCE_MODIFIABLE, 0);
+
+ /* If RSS IFACE capability flags are modifiable for a VF, set the
+ * capability flag as valid and set RSS and DEFQ_RSS IFACE flags if
+ * more than 1 RSSQ is available for a VF.
+ * Otherwise, provision only 1 queue pair for VF.
+ */
+ if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_RSS) {
+ vft_res->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT);
+ if (num_vf_qs > 1) {
+ vf_if_cap_flags |= BE_IF_FLAGS_RSS;
+ if (res.if_cap_flags & BE_IF_FLAGS_DEFQ_RSS)
+ vf_if_cap_flags |= BE_IF_FLAGS_DEFQ_RSS;
+ } else {
+ vf_if_cap_flags &= ~(BE_IF_FLAGS_RSS |
+ BE_IF_FLAGS_DEFQ_RSS);
+ }
+ } else {
+ num_vf_qs = 1;
+ }
+
+ if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) {
+ vft_res->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT);
+ vf_if_cap_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS;
+ }
+
+ vft_res->vf_if_cap_flags = vf_if_cap_flags;
+ vft_res->max_rx_qs = num_vf_qs;
+ vft_res->max_rss_qs = num_vf_qs;
+ vft_res->max_tx_qs = res.max_tx_qs / (num_vfs + 1);
+ vft_res->max_cq_count = res.max_cq_count / (num_vfs + 1);
+
+ /* Distribute unicast MACs, VLANs, IFACE count and MCCQ count equally
+ * among the PF and it's VFs, if the fields are changeable
+ */
+ if (res_mod.max_uc_mac == FIELD_MODIFIABLE)
+ vft_res->max_uc_mac = res.max_uc_mac / (num_vfs + 1);
+
+ if (res_mod.max_vlans == FIELD_MODIFIABLE)
+ vft_res->max_vlans = res.max_vlans / (num_vfs + 1);
+
+ if (res_mod.max_iface_count == FIELD_MODIFIABLE)
+ vft_res->max_iface_count = res.max_iface_count / (num_vfs + 1);
+
+ if (res_mod.max_mcc_count == FIELD_MODIFIABLE)
+ vft_res->max_mcc_count = res.max_mcc_count / (num_vfs + 1);
}
static int be_clear(struct be_adapter *adapter)
{
struct pci_dev *pdev = adapter->pdev;
- u16 num_vf_qs;
+ struct be_resources vft_res = {0};
be_cancel_worker(adapter);
*/
if (skyhawk_chip(adapter) && be_physfn(adapter) &&
!pci_vfs_assigned(pdev)) {
- num_vf_qs = be_calculate_vf_qs(adapter,
- pci_sriov_get_totalvfs(pdev));
+ be_calculate_vf_res(adapter,
+ pci_sriov_get_totalvfs(pdev),
+ &vft_res);
be_cmd_set_sriov_config(adapter, adapter->pool_res,
pci_sriov_get_totalvfs(pdev),
- num_vf_qs);
+ &vft_res);
}
#ifdef CONFIG_BE2NET_VXLAN
static void be_alloc_sriov_res(struct be_adapter *adapter)
{
int old_vfs = pci_num_vf(adapter->pdev);
- u16 num_vf_qs;
+ struct be_resources vft_res = {0};
int status;
be_get_sriov_config(adapter);
* Also, this is done by FW in Lancer chip.
*/
if (skyhawk_chip(adapter) && be_max_vfs(adapter) && !old_vfs) {
- num_vf_qs = be_calculate_vf_qs(adapter, 0);
+ be_calculate_vf_res(adapter, 0, &vft_res);
status = be_cmd_set_sriov_config(adapter, adapter->pool_res, 0,
- num_vf_qs);
+ &vft_res);
if (status)
dev_err(&adapter->pdev->dev,
"Failed to optimize SRIOV resources\n");
static int be_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
{
struct be_adapter *adapter = pci_get_drvdata(pdev);
- u16 num_vf_qs;
+ struct be_resources vft_res = {0};
int status;
if (!num_vfs)
* Also, this is done by FW in Lancer chip.
*/
if (skyhawk_chip(adapter) && !pci_num_vf(pdev)) {
- num_vf_qs = be_calculate_vf_qs(adapter, adapter->num_vfs);
+ be_calculate_vf_res(adapter, adapter->num_vfs,
+ &vft_res);
status = be_cmd_set_sriov_config(adapter, adapter->pool_res,
- adapter->num_vfs, num_vf_qs);
+ adapter->num_vfs, &vft_res);
if (status)
dev_err(&pdev->dev,
"Failed to optimize SR-IOV resources\n");
projects / users / hch / configfs.git / commitdiff