diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nic_main.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nic_main.c | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 620dbe082ca0..8ab71dae3988 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -929,6 +929,35 @@ 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); } +static void nic_link_status_get(struct nicpf *nic, u8 vf) +{ + union nic_mbx mbx = {}; + struct bgx_link_status link; + u8 bgx, lmac; + + mbx.link_status.msg = NIC_MBOX_MSG_BGX_LINK_CHANGE; + + /* 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); + + 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; + + /* reply with link status */ + nic_send_msg_to_vf(nic, vf, &mbx); +} + /* Interrupt handler to handle mailbox messages from VFs */ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) { @@ -1108,6 +1137,13 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf) lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]); bgx_set_xcast_mode(nic->node, bgx, lmac, mbx.xcast.mode); break; + case NIC_MBOX_MSG_BGX_LINK_CHANGE: + if (vf >= nic->num_vf_en) { + ret = -1; /* NACK */ + break; + } + nic_link_status_get(nic, vf); + goto unlock; default: dev_err(&nic->pdev->dev, "Invalid msg from VF%d, msg 0x%x\n", vf, mbx.msg.msg); @@ -1419,9 +1455,6 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_disable_sriov; } - INIT_DELAYED_WORK(&nic->dwork, nic_poll_for_link); - queue_delayed_work(nic->check_link, &nic->dwork, 0); - return 0; err_disable_sriov: |