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-rw-r--r--drivers/net/benet/be.h9
-rw-r--r--drivers/net/benet/be_cmds.c4
-rw-r--r--drivers/net/benet/be_cmds.h2
-rw-r--r--drivers/net/benet/be_hw.h3
-rw-r--r--drivers/net/benet/be_main.c222
5 files changed, 191 insertions, 49 deletions
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index 8f07525..20842c5 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -83,6 +83,8 @@ static inline char *nic_name(struct pci_dev *pdev)
#define FW_VER_LEN 32
+#define BE_MAX_VF 32
+
struct be_dma_mem {
void *va;
dma_addr_t dma;
@@ -280,8 +282,15 @@ struct be_adapter {
u8 port_type;
u8 transceiver;
u8 generation; /* BladeEngine ASIC generation */
+
+ bool sriov_enabled;
+ u32 vf_if_handle[BE_MAX_VF];
+ u32 vf_pmac_id[BE_MAX_VF];
+ u8 base_eq_id;
};
+#define be_physfn(adapter) (!adapter->pdev->is_virtfn)
+
/* BladeEngine Generation numbers */
#define BE_GEN2 2
#define BE_GEN3 3
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 50e6259..9f53d9e 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -843,7 +843,8 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
* Uses mbox
*/
int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
- u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
+ u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id,
+ u32 domain)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_if_create *req;
@@ -860,6 +861,7 @@ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
+ req->hdr.domain = domain;
req->capability_flags = cpu_to_le32(cap_flags);
req->enable_flags = cpu_to_le32(en_flags);
req->pmac_invalid = pmac_invalid;
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index cce61f9..763dc19 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -878,7 +878,7 @@ extern int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
extern int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id);
extern int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags,
u32 en_flags, u8 *mac, bool pmac_invalid,
- u32 *if_handle, u32 *pmac_id);
+ u32 *if_handle, u32 *pmac_id, u32 domain);
extern int be_cmd_if_destroy(struct be_adapter *adapter, u32 if_handle);
extern int be_cmd_eq_create(struct be_adapter *adapter,
struct be_queue_info *eq, int eq_delay);
diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h
index 2d4a4b8..063026d 100644
--- a/drivers/net/benet/be_hw.h
+++ b/drivers/net/benet/be_hw.h
@@ -99,6 +99,9 @@
/* Number of entries posted */
#define DB_MCCQ_NUM_POSTED_SHIFT (16) /* bits 16 - 29 */
+/********** SRIOV VF PCICFG OFFSET ********/
+#define SRIOV_VF_PCICFG_OFFSET (4096)
+
/* Flashrom related descriptors */
#define IMAGE_TYPE_FIRMWARE 160
#define IMAGE_TYPE_BOOTCODE 224
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 17282df..cb0a4a6 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -26,8 +26,11 @@ MODULE_AUTHOR("ServerEngines Corporation");
MODULE_LICENSE("GPL");
static unsigned int rx_frag_size = 2048;
+static unsigned int num_vfs;
module_param(rx_frag_size, uint, S_IRUGO);
+module_param(num_vfs, uint, S_IRUGO);
MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data.");
+MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize");
static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = {
{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
@@ -138,12 +141,19 @@ static int be_mac_addr_set(struct net_device *netdev, void *p)
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
+ /* MAC addr configuration will be done in hardware for VFs
+ * by their corresponding PFs. Just copy to netdev addr here
+ */
+ if (!be_physfn(adapter))
+ goto netdev_addr;
+
status = be_cmd_pmac_del(adapter, adapter->if_handle, adapter->pmac_id);
if (status)
return status;
status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data,
adapter->if_handle, &adapter->pmac_id);
+netdev_addr:
if (!status)
memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
@@ -576,6 +586,9 @@ static void be_vlan_add_vid(struct net_device *netdev, u16 vid)
{
struct be_adapter *adapter = netdev_priv(netdev);
+ if (!be_physfn(adapter))
+ return;
+
adapter->vlan_tag[vid] = 1;
adapter->vlans_added++;
if (adapter->vlans_added <= (adapter->max_vlans + 1))
@@ -586,6 +599,9 @@ static void be_vlan_rem_vid(struct net_device *netdev, u16 vid)
{
struct be_adapter *adapter = netdev_priv(netdev);
+ if (!be_physfn(adapter))
+ return;
+
adapter->vlan_tag[vid] = 0;
vlan_group_set_device(adapter->vlan_grp, vid, NULL);
adapter->vlans_added--;
@@ -623,6 +639,28 @@ done:
return;
}
+static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+ struct be_adapter *adapter = netdev_priv(netdev);
+ int status;
+
+ if (!adapter->sriov_enabled)
+ return -EPERM;
+
+ if (!is_valid_ether_addr(mac) || (vf >= num_vfs))
+ return -EINVAL;
+
+ status = be_cmd_pmac_del(adapter, adapter->vf_if_handle[vf],
+ adapter->vf_pmac_id[vf]);
+
+ status = be_cmd_pmac_add(adapter, mac, adapter->vf_if_handle[vf],
+ &adapter->vf_pmac_id[vf]);
+ if (!status)
+ dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n",
+ mac, vf);
+ return status;
+}
+
static void be_rx_rate_update(struct be_adapter *adapter)
{
struct be_drvr_stats *stats = drvr_stats(adapter);
@@ -1280,6 +1318,8 @@ static int be_tx_queues_create(struct be_adapter *adapter)
/* Ask BE to create Tx Event queue */
if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd))
goto tx_eq_free;
+ adapter->base_eq_id = adapter->tx_eq.q.id;
+
/* Alloc TX eth compl queue */
cq = &adapter->tx_obj.cq;
if (be_queue_alloc(adapter, cq, TX_CQ_LEN,
@@ -1407,7 +1447,7 @@ rx_eq_free:
/* There are 8 evt ids per func. Retruns the evt id's bit number */
static inline int be_evt_bit_get(struct be_adapter *adapter, u32 eq_id)
{
- return eq_id % 8;
+ return eq_id - adapter->base_eq_id;
}
static irqreturn_t be_intx(int irq, void *dev)
@@ -1585,6 +1625,28 @@ static void be_msix_enable(struct be_adapter *adapter)
return;
}
+static void be_sriov_enable(struct be_adapter *adapter)
+{
+#ifdef CONFIG_PCI_IOV
+ int status;
+ if (be_physfn(adapter) && num_vfs) {
+ status = pci_enable_sriov(adapter->pdev, num_vfs);
+ adapter->sriov_enabled = status ? false : true;
+ }
+#endif
+ return;
+}
+
+static void be_sriov_disable(struct be_adapter *adapter)
+{
+#ifdef CONFIG_PCI_IOV
+ if (adapter->sriov_enabled) {
+ pci_disable_sriov(adapter->pdev);
+ adapter->sriov_enabled = false;
+ }
+#endif
+}
+
static inline int be_msix_vec_get(struct be_adapter *adapter, u32 eq_id)
{
return adapter->msix_entries[
@@ -1642,6 +1704,9 @@ static int be_irq_register(struct be_adapter *adapter)
status = be_msix_register(adapter);
if (status == 0)
goto done;
+ /* INTx is not supported for VF */
+ if (!be_physfn(adapter))
+ return status;
}
/* INTx */
@@ -1715,14 +1780,17 @@ static int be_open(struct net_device *netdev)
goto ret_sts;
be_link_status_update(adapter, link_up);
- status = be_vid_config(adapter);
+ if (be_physfn(adapter))
+ status = be_vid_config(adapter);
if (status)
goto ret_sts;
- status = be_cmd_set_flow_control(adapter,
- adapter->tx_fc, adapter->rx_fc);
- if (status)
- goto ret_sts;
+ if (be_physfn(adapter)) {
+ status = be_cmd_set_flow_control(adapter,
+ adapter->tx_fc, adapter->rx_fc);
+ if (status)
+ goto ret_sts;
+ }
schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
ret_sts:
@@ -1770,22 +1838,48 @@ static int be_setup_wol(struct be_adapter *adapter, bool enable)
static int be_setup(struct be_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- u32 cap_flags, en_flags;
+ u32 cap_flags, en_flags, vf = 0;
int status;
+ u8 mac[ETH_ALEN];
+
+ cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST;
- cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST |
- BE_IF_FLAGS_MCAST_PROMISCUOUS |
- BE_IF_FLAGS_PROMISCUOUS |
- BE_IF_FLAGS_PASS_L3L4_ERRORS;
- en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST |
- BE_IF_FLAGS_PASS_L3L4_ERRORS;
+ if (be_physfn(adapter)) {
+ cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS |
+ BE_IF_FLAGS_PROMISCUOUS |
+ BE_IF_FLAGS_PASS_L3L4_ERRORS;
+ en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS;
+ }
status = be_cmd_if_create(adapter, cap_flags, en_flags,
netdev->dev_addr, false/* pmac_invalid */,
- &adapter->if_handle, &adapter->pmac_id);
+ &adapter->if_handle, &adapter->pmac_id, 0);
if (status != 0)
goto do_none;
+ if (be_physfn(adapter)) {
+ while (vf < num_vfs) {
+ cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED
+ | BE_IF_FLAGS_BROADCAST;
+ status = be_cmd_if_create(adapter, cap_flags, en_flags,
+ mac, true, &adapter->vf_if_handle[vf],
+ NULL, vf+1);
+ if (status) {
+ dev_err(&adapter->pdev->dev,
+ "Interface Create failed for VF %d\n", vf);
+ goto if_destroy;
+ }
+ vf++;
+ } while (vf < num_vfs);
+ } else if (!be_physfn(adapter)) {
+ status = be_cmd_mac_addr_query(adapter, mac,
+ MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle);
+ if (!status) {
+ memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
+ memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
+ }
+ }
+
status = be_tx_queues_create(adapter);
if (status != 0)
goto if_destroy;
@@ -1807,6 +1901,9 @@ rx_qs_destroy:
tx_qs_destroy:
be_tx_queues_destroy(adapter);
if_destroy:
+ for (vf = 0; vf < num_vfs; vf++)
+ if (adapter->vf_if_handle[vf])
+ be_cmd_if_destroy(adapter, adapter->vf_if_handle[vf]);
be_cmd_if_destroy(adapter, adapter->if_handle);
do_none:
return status;
@@ -2087,6 +2184,7 @@ static struct net_device_ops be_netdev_ops = {
.ndo_vlan_rx_register = be_vlan_register,
.ndo_vlan_rx_add_vid = be_vlan_add_vid,
.ndo_vlan_rx_kill_vid = be_vlan_rem_vid,
+ .ndo_set_vf_mac = be_set_vf_mac
};
static void be_netdev_init(struct net_device *netdev)
@@ -2128,37 +2226,48 @@ static void be_unmap_pci_bars(struct be_adapter *adapter)
iounmap(adapter->csr);
if (adapter->db)
iounmap(adapter->db);
- if (adapter->pcicfg)
+ if (adapter->pcicfg && be_physfn(adapter))
iounmap(adapter->pcicfg);
}
static int be_map_pci_bars(struct be_adapter *adapter)
{
u8 __iomem *addr;
- int pcicfg_reg;
+ int pcicfg_reg, db_reg;
- addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2),
- pci_resource_len(adapter->pdev, 2));
- if (addr == NULL)
- return -ENOMEM;
- adapter->csr = addr;
-
- addr = ioremap_nocache(pci_resource_start(adapter->pdev, 4),
- 128 * 1024);
- if (addr == NULL)
- goto pci_map_err;
- adapter->db = addr;
+ if (be_physfn(adapter)) {
+ addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2),
+ pci_resource_len(adapter->pdev, 2));
+ if (addr == NULL)
+ return -ENOMEM;
+ adapter->csr = addr;
+ }
- if (adapter->generation == BE_GEN2)
+ if (adapter->generation == BE_GEN2) {
pcicfg_reg = 1;
- else
+ db_reg = 4;
+ } else {
pcicfg_reg = 0;
-
- addr = ioremap_nocache(pci_resource_start(adapter->pdev, pcicfg_reg),
- pci_resource_len(adapter->pdev, pcicfg_reg));
+ if (be_physfn(adapter))
+ db_reg = 4;
+ else
+ db_reg = 0;
+ }
+ addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg),
+ pci_resource_len(adapter->pdev, db_reg));
if (addr == NULL)
goto pci_map_err;
- adapter->pcicfg = addr;
+ adapter->db = addr;
+
+ if (be_physfn(adapter)) {
+ addr = ioremap_nocache(
+ pci_resource_start(adapter->pdev, pcicfg_reg),
+ pci_resource_len(adapter->pdev, pcicfg_reg));
+ if (addr == NULL)
+ goto pci_map_err;
+ adapter->pcicfg = addr;
+ } else
+ adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET;
return 0;
pci_map_err:
@@ -2272,6 +2381,8 @@ static void __devexit be_remove(struct pci_dev *pdev)
be_ctrl_cleanup(adapter);
+ be_sriov_disable(adapter);
+
be_msix_disable(adapter);
pci_set_drvdata(pdev, NULL);
@@ -2296,16 +2407,20 @@ static int be_get_config(struct be_adapter *adapter)
return status;
memset(mac, 0, ETH_ALEN);
- status = be_cmd_mac_addr_query(adapter, mac,
+
+ if (be_physfn(adapter)) {
+ status = be_cmd_mac_addr_query(adapter, mac,
MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0);
- if (status)
- return status;
- if (!is_valid_ether_addr(mac))
- return -EADDRNOTAVAIL;
+ if (status)
+ return status;
- memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
- memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
+ if (!is_valid_ether_addr(mac))
+ return -EADDRNOTAVAIL;
+
+ memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN);
+ memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN);
+ }
if (adapter->cap & 0x400)
adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4;
@@ -2322,6 +2437,7 @@ static int __devinit be_probe(struct pci_dev *pdev,
struct be_adapter *adapter;
struct net_device *netdev;
+
status = pci_enable_device(pdev);
if (status)
goto do_none;
@@ -2370,24 +2486,28 @@ static int __devinit be_probe(struct pci_dev *pdev,
}
}
+ be_sriov_enable(adapter);
+
status = be_ctrl_init(adapter);
if (status)
goto free_netdev;
/* sync up with fw's ready state */
- status = be_cmd_POST(adapter);
- if (status)
- goto ctrl_clean;
+ if (be_physfn(adapter)) {
+ status = be_cmd_POST(adapter);
+ if (status)
+ goto ctrl_clean;
+
+ status = be_cmd_reset_function(adapter);
+ if (status)
+ goto ctrl_clean;
+ }
/* tell fw we're ready to fire cmds */
status = be_cmd_fw_init(adapter);
if (status)
goto ctrl_clean;
- status = be_cmd_reset_function(adapter);
- if (status)
- goto ctrl_clean;
-
status = be_stats_init(adapter);
if (status)
goto ctrl_clean;
@@ -2417,6 +2537,7 @@ ctrl_clean:
be_ctrl_cleanup(adapter);
free_netdev:
be_msix_disable(adapter);
+ be_sriov_disable(adapter);
free_netdev(adapter->netdev);
pci_set_drvdata(pdev, NULL);
rel_reg:
@@ -2613,6 +2734,13 @@ static int __init be_init_module(void)
rx_frag_size = 2048;
}
+ if (num_vfs > 32) {
+ printk(KERN_WARNING DRV_NAME
+ " : Module param num_vfs must not be greater than 32."
+ "Using 32\n");
+ num_vfs = 32;
+ }
+
return pci_register_driver(&be_driver);
}
module_init(be_init_module);
generated by cgit v0.10.2 at 2024-11-08 22:05:40 (GMT)