summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic_main.c114
1 files changed, 12 insertions, 102 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index 8ab71dae3988..c90252829ed3 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -57,14 +57,8 @@ struct nicpf {
#define NIC_GET_BGX_FROM_VF_LMAC_MAP(map) ((map >> 4) & 0xF)
#define NIC_GET_LMAC_FROM_VF_LMAC_MAP(map) (map & 0xF)
u8 *vf_lmac_map;
- struct delayed_work dwork;
- struct workqueue_struct *check_link;
- u8 *link;
- u8 *duplex;
- u32 *speed;
u16 cpi_base[MAX_NUM_VFS_SUPPORTED];
u16 rssi_base[MAX_NUM_VFS_SUPPORTED];
- bool mbx_lock[MAX_NUM_VFS_SUPPORTED];
/* MSI-X */
u8 num_vec;
@@ -929,6 +923,10 @@ static void nic_config_timestamp(struct nicpf *nic, int vf, struct set_ptp *ptp)
nic_reg_write(nic, NIC_PF_PKIND_0_15_CFG | (pkind_idx << 3), pkind_val);
}
+/* Get BGX LMAC link status and update corresponding VF
+ * if there is a change, valid only if internal L2 switch
+ * is not present otherwise VF link is always treated as up
+ */
static void nic_link_status_get(struct nicpf *nic, u8 vf)
{
union nic_mbx mbx = {};
@@ -944,10 +942,6 @@ static void nic_link_status_get(struct nicpf *nic, u8 vf)
/* Get interface link status */
bgx_get_lmac_link_state(nic->node, bgx, lmac, &link);
- nic->link[vf] = link.link_up;
- nic->duplex[vf] = link.duplex;
- nic->speed[vf] = link.speed;
-
/* Send a mbox message to VF with current link status */
mbx.link_status.link_up = link.link_up;
mbx.link_status.duplex = link.duplex;
@@ -970,8 +964,6 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
int i;
int ret = 0;
- nic->mbx_lock[vf] = true;
-
mbx_addr = nic_get_mbx_addr(vf);
mbx_data = (u64 *)&mbx;
@@ -986,12 +978,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
switch (mbx.msg.msg) {
case NIC_MBOX_MSG_READY:
nic_mbx_send_ready(nic, vf);
- if (vf < nic->num_vf_en) {
- nic->link[vf] = 0;
- nic->duplex[vf] = 0;
- nic->speed[vf] = 0;
- }
- goto unlock;
+ return;
case NIC_MBOX_MSG_QS_CFG:
reg_addr = NIC_PF_QSET_0_127_CFG |
(mbx.qs.num << NIC_QS_ID_SHIFT);
@@ -1060,7 +1047,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
break;
case NIC_MBOX_MSG_RSS_SIZE:
nic_send_rss_size(nic, vf);
- goto unlock;
+ return;
case NIC_MBOX_MSG_RSS_CFG:
case NIC_MBOX_MSG_RSS_CFG_CONT:
nic_config_rss(nic, &mbx.rss_cfg);
@@ -1078,19 +1065,19 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
break;
case NIC_MBOX_MSG_ALLOC_SQS:
nic_alloc_sqs(nic, &mbx.sqs_alloc);
- goto unlock;
+ return;
case NIC_MBOX_MSG_NICVF_PTR:
nic->nicvf[vf] = mbx.nicvf.nicvf;
break;
case NIC_MBOX_MSG_PNICVF_PTR:
nic_send_pnicvf(nic, vf);
- goto unlock;
+ return;
case NIC_MBOX_MSG_SNICVF_PTR:
nic_send_snicvf(nic, &mbx.nicvf);
- goto unlock;
+ return;
case NIC_MBOX_MSG_BGX_STATS:
nic_get_bgx_stats(nic, &mbx.bgx_stats);
- goto unlock;
+ return;
case NIC_MBOX_MSG_LOOPBACK:
ret = nic_config_loopback(nic, &mbx.lbk);
break;
@@ -1099,7 +1086,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
break;
case NIC_MBOX_MSG_PFC:
nic_pause_frame(nic, vf, &mbx.pfc);
- goto unlock;
+ return;
case NIC_MBOX_MSG_PTP_CFG:
nic_config_timestamp(nic, vf, &mbx.ptp);
break;
@@ -1143,7 +1130,7 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
break;
}
nic_link_status_get(nic, vf);
- goto unlock;
+ return;
default:
dev_err(&nic->pdev->dev,
"Invalid msg from VF%d, msg 0x%x\n", vf, mbx.msg.msg);
@@ -1157,8 +1144,6 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
mbx.msg.msg, vf);
nic_mbx_send_nack(nic, vf);
}
-unlock:
- nic->mbx_lock[vf] = false;
}
static irqreturn_t nic_mbx_intr_handler(int irq, void *nic_irq)
@@ -1306,52 +1291,6 @@ static int nic_sriov_init(struct pci_dev *pdev, struct nicpf *nic)
return 0;
}
-/* Poll for BGX LMAC link status and update corresponding VF
- * if there is a change, valid only if internal L2 switch
- * is not present otherwise VF link is always treated as up
- */
-static void nic_poll_for_link(struct work_struct *work)
-{
- union nic_mbx mbx = {};
- struct nicpf *nic;
- struct bgx_link_status link;
- u8 vf, bgx, lmac;
-
- nic = container_of(work, struct nicpf, dwork.work);
-
- mbx.link_status.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE;
-
- for (vf = 0; vf < nic->num_vf_en; vf++) {
- /* Poll only if VF is UP */
- if (!nic->vf_enabled[vf])
- continue;
-
- /* Get BGX, LMAC indices for the VF */
- bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
- lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
- /* Get interface link status */
- bgx_get_lmac_link_state(nic->node, bgx, lmac, &link);
-
- /* Inform VF only if link status changed */
- if (nic->link[vf] == link.link_up)
- continue;
-
- if (!nic->mbx_lock[vf]) {
- nic->link[vf] = link.link_up;
- nic->duplex[vf] = link.duplex;
- nic->speed[vf] = link.speed;
-
- /* Send a mbox message to VF with current link status */
- mbx.link_status.link_up = link.link_up;
- mbx.link_status.duplex = link.duplex;
- mbx.link_status.speed = link.speed;
- mbx.link_status.mac_type = link.mac_type;
- nic_send_msg_to_vf(nic, vf, &mbx);
- }
- }
- queue_delayed_work(nic->check_link, &nic->dwork, HZ * 2);
-}
-
static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct device *dev = &pdev->dev;
@@ -1420,18 +1359,6 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!nic->vf_lmac_map)
goto err_release_regions;
- nic->link = devm_kmalloc_array(dev, max_lmac, sizeof(u8), GFP_KERNEL);
- if (!nic->link)
- goto err_release_regions;
-
- nic->duplex = devm_kmalloc_array(dev, max_lmac, sizeof(u8), GFP_KERNEL);
- if (!nic->duplex)
- goto err_release_regions;
-
- nic->speed = devm_kmalloc_array(dev, max_lmac, sizeof(u32), GFP_KERNEL);
- if (!nic->speed)
- goto err_release_regions;
-
/* Initialize hardware */
nic_init_hw(nic);
@@ -1447,19 +1374,8 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
goto err_unregister_interrupts;
- /* Register a physical link status poll fn() */
- nic->check_link = alloc_workqueue("check_link_status",
- WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
- if (!nic->check_link) {
- err = -ENOMEM;
- goto err_disable_sriov;
- }
-
return 0;
-err_disable_sriov:
- if (nic->flags & NIC_SRIOV_ENABLED)
- pci_disable_sriov(pdev);
err_unregister_interrupts:
nic_unregister_interrupts(nic);
err_release_regions:
@@ -1480,12 +1396,6 @@ static void nic_remove(struct pci_dev *pdev)
if (nic->flags & NIC_SRIOV_ENABLED)
pci_disable_sriov(pdev);
- if (nic->check_link) {
- /* Destroy work Queue */
- cancel_delayed_work_sync(&nic->dwork);
- destroy_workqueue(nic->check_link);
- }
-
nic_unregister_interrupts(nic);
pci_release_regions(pdev);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-14 01:14:02 +0300