diff options
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nic_main.c | 75 | ||||
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/thunder_bgx.h | 2 |
2 files changed, 60 insertions, 17 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 91c575d..b982e5f 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -53,12 +53,12 @@ struct nicpf { #define NIC_SET_VF_LMAC_MAP(bgx, lmac) (((bgx & 0xF) << 4) | (lmac & 0xF)) #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[MAX_LMAC]; + u8 *vf_lmac_map; struct delayed_work dwork; struct workqueue_struct *check_link; - u8 link[MAX_LMAC]; - u8 duplex[MAX_LMAC]; - u32 speed[MAX_LMAC]; + 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]; @@ -174,7 +174,7 @@ static void nic_mbx_send_ready(struct nicpf *nic, int vf) mbx.nic_cfg.tns_mode = NIC_TNS_BYPASS_MODE; - if (vf < MAX_LMAC) { + if (vf < nic->num_vf_en) { bgx_idx = 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]); @@ -185,7 +185,7 @@ static void nic_mbx_send_ready(struct nicpf *nic, int vf) mbx.nic_cfg.sqs_mode = (vf >= nic->num_vf_en) ? true : false; mbx.nic_cfg.node_id = nic->node; - mbx.nic_cfg.loopback_supported = vf < MAX_LMAC; + mbx.nic_cfg.loopback_supported = vf < nic->num_vf_en; nic_send_msg_to_vf(nic, vf, &mbx); } @@ -278,14 +278,22 @@ static int nic_update_hw_frs(struct nicpf *nic, int new_frs, int vf) /* Set minimum transmit packet size */ static void nic_set_tx_pkt_pad(struct nicpf *nic, int size) { - int lmac; + int lmac, max_lmac; + u16 sdevid; u64 lmac_cfg; /* Max value that can be set is 60 */ if (size > 60) size = 60; - for (lmac = 0; lmac < (MAX_BGX_PER_CN88XX * MAX_LMAC_PER_BGX); lmac++) { + pci_read_config_word(nic->pdev, PCI_SUBSYSTEM_ID, &sdevid); + /* 81xx's RGX has only one LMAC */ + if (sdevid == PCI_SUBSYS_DEVID_81XX_NIC_PF) + max_lmac = ((nic->hw->bgx_cnt - 1) * MAX_LMAC_PER_BGX) + 1; + else + max_lmac = nic->hw->bgx_cnt * MAX_LMAC_PER_BGX; + + for (lmac = 0; lmac < max_lmac; lmac++) { lmac_cfg = nic_reg_read(nic, NIC_PF_LMAC_0_7_CFG | (lmac << 3)); lmac_cfg &= ~(0xF << 2); lmac_cfg |= ((size / 4) << 2); @@ -336,8 +344,17 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic) } } -static void nic_get_hw_info(struct nicpf *nic) +static void nic_free_lmacmem(struct nicpf *nic) { + kfree(nic->vf_lmac_map); + kfree(nic->link); + kfree(nic->duplex); + kfree(nic->speed); +} + +static int nic_get_hw_info(struct nicpf *nic) +{ + u8 max_lmac; u16 sdevid; struct hw_info *hw = nic->hw; @@ -385,18 +402,40 @@ static void nic_get_hw_info(struct nicpf *nic) break; } hw->tl4_cnt = MAX_QUEUES_PER_QSET * pci_sriov_get_totalvfs(nic->pdev); + + /* Allocate memory for LMAC tracking elements */ + max_lmac = hw->bgx_cnt * MAX_LMAC_PER_BGX; + nic->vf_lmac_map = kmalloc_array(max_lmac, sizeof(u8), GFP_KERNEL); + if (!nic->vf_lmac_map) + goto error; + nic->link = kmalloc_array(max_lmac, sizeof(u8), GFP_KERNEL); + if (!nic->link) + goto error; + nic->duplex = kmalloc_array(max_lmac, sizeof(u8), GFP_KERNEL); + if (!nic->duplex) + goto error; + nic->speed = kmalloc_array(max_lmac, sizeof(u32), GFP_KERNEL); + if (!nic->speed) + goto error; + return 0; + +error: + nic_free_lmacmem(nic); + return -ENOMEM; } #define BGX0_BLOCK 8 #define BGX1_BLOCK 9 -static void nic_init_hw(struct nicpf *nic) +static int nic_init_hw(struct nicpf *nic) { - int i; + int i, err; u64 cqm_cfg; /* Get HW capability info */ - nic_get_hw_info(nic); + err = nic_get_hw_info(nic); + if (err) + return err; /* Enable NIC HW block */ nic_reg_write(nic, NIC_PF_CFG, 0x3); @@ -442,6 +481,8 @@ static void nic_init_hw(struct nicpf *nic) cqm_cfg = nic_reg_read(nic, NIC_PF_CQM_CFG); if (cqm_cfg < NICPF_CQM_MIN_DROP_LEVEL) nic_reg_write(nic, NIC_PF_CQM_CFG, NICPF_CQM_MIN_DROP_LEVEL); + + return 0; } /* Channel parse index configuration */ @@ -741,7 +782,7 @@ static int nic_config_loopback(struct nicpf *nic, struct set_loopback *lbk) { int bgx_idx, lmac_idx; - if (lbk->vf_id > MAX_LMAC) + if (lbk->vf_id >= nic->num_vf_en) return -1; bgx_idx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[lbk->vf_id]); @@ -795,7 +836,7 @@ 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 < MAX_LMAC) { + if (vf < nic->num_vf_en) { nic->link[vf] = 0; nic->duplex[vf] = 0; nic->speed[vf] = 0; @@ -1191,7 +1232,9 @@ static int nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) nic->node = nic_get_node_id(pdev); /* Initialize hardware */ - nic_init_hw(nic); + err = nic_init_hw(nic); + if (err) + goto err_release_regions; nic_set_lmac_vf_mapping(nic); @@ -1226,6 +1269,7 @@ err_unregister_interrupts: err_release_regions: pci_release_regions(pdev); err_disable_device: + nic_free_lmacmem(nic); devm_kfree(dev, nic->hw); devm_kfree(dev, nic); pci_disable_device(pdev); @@ -1249,6 +1293,7 @@ static void nic_remove(struct pci_dev *pdev) nic_unregister_interrupts(nic); pci_release_regions(pdev); + nic_free_lmacmem(nic); devm_kfree(&pdev->dev, nic->hw); devm_kfree(&pdev->dev, nic); diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h index 6225ff4..c7d7cc67 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h @@ -29,8 +29,6 @@ #define MAX_DMAC_PER_LMAC_TNS_BYPASS_MODE 2 -#define MAX_LMAC (MAX_BGX_PER_CN88XX * MAX_LMAC_PER_BGX) - /* Registers */ #define BGX_CMRX_CFG 0x00 #define CMR_PKT_TX_EN BIT_ULL(13) |