diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 89 |
1 files changed, 75 insertions, 14 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 351f3b1bf800..f5dcde27e402 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -1548,7 +1548,7 @@ int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data) t->stid_tab[stid].data = data; stid -= t->nstids; stid += t->sftid_base; - t->stids_in_use++; + t->sftids_in_use++; } spin_unlock_bh(&t->stid_lock); return stid; @@ -1573,10 +1573,14 @@ void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family) else bitmap_release_region(t->stid_bmap, stid, 2); t->stid_tab[stid].data = NULL; - if (family == PF_INET) - t->stids_in_use--; - else - t->stids_in_use -= 4; + if (stid < t->nstids) { + if (family == PF_INET) + t->stids_in_use--; + else + t->stids_in_use -= 4; + } else { + t->sftids_in_use--; + } spin_unlock_bh(&t->stid_lock); } EXPORT_SYMBOL(cxgb4_free_stid); @@ -1654,20 +1658,25 @@ static void process_tid_release_list(struct work_struct *work) */ void cxgb4_remove_tid(struct tid_info *t, unsigned int chan, unsigned int tid) { - void *old; struct sk_buff *skb; struct adapter *adap = container_of(t, struct adapter, tids); - old = t->tid_tab[tid]; + WARN_ON(tid >= t->ntids); + + if (t->tid_tab[tid]) { + t->tid_tab[tid] = NULL; + if (t->hash_base && (tid >= t->hash_base)) + atomic_dec(&t->hash_tids_in_use); + else + atomic_dec(&t->tids_in_use); + } + skb = alloc_skb(sizeof(struct cpl_tid_release), GFP_ATOMIC); if (likely(skb)) { - t->tid_tab[tid] = NULL; mk_tid_release(skb, chan, tid); t4_ofld_send(adap, skb); } else cxgb4_queue_tid_release(t, chan, tid); - if (old) - atomic_dec(&t->tids_in_use); } EXPORT_SYMBOL(cxgb4_remove_tid); @@ -1702,9 +1711,11 @@ static int tid_init(struct tid_info *t) spin_lock_init(&t->atid_lock); t->stids_in_use = 0; + t->sftids_in_use = 0; t->afree = NULL; t->atids_in_use = 0; atomic_set(&t->tids_in_use, 0); + atomic_set(&t->hash_tids_in_use, 0); /* Setup the free list for atid_tab and clear the stid bitmap. */ if (natids) { @@ -3657,6 +3668,10 @@ static int adap_init0(struct adapter *adap) */ t4_get_fw_version(adap, &adap->params.fw_vers); t4_get_tp_version(adap, &adap->params.tp_vers); + ret = t4_check_fw_version(adap); + /* If firmware is too old (not supported by driver) force an update. */ + if (ret == -EFAULT) + state = DEV_STATE_UNINIT; if ((adap->flags & MASTER_PF) && state != DEV_STATE_INIT) { struct fw_info *fw_info; struct fw_hdr *card_fw; @@ -4551,6 +4566,27 @@ static void free_some_resources(struct adapter *adapter) NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA) #define SEGMENT_SIZE 128 +static int get_chip_type(struct pci_dev *pdev, u32 pl_rev) +{ + u16 device_id; + + /* Retrieve adapter's device ID */ + pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id); + + switch (device_id >> 12) { + case CHELSIO_T4: + return CHELSIO_CHIP_CODE(CHELSIO_T4, pl_rev); + case CHELSIO_T5: + return CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev); + case CHELSIO_T6: + return CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev); + default: + dev_err(&pdev->dev, "Device %d is not supported\n", + device_id); + } + return -EINVAL; +} + static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { int func, i, err, s_qpp, qpp, num_seg; @@ -4558,6 +4594,8 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) bool highdma = false; struct adapter *adapter = NULL; void __iomem *regs; + u32 whoami, pl_rev; + enum chip_type chip; printk_once(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); @@ -4586,7 +4624,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_unmap_bar0; /* We control everything through one PF */ - func = SOURCEPF_G(readl(regs + PL_WHOAMI_A)); + whoami = readl(regs + PL_WHOAMI_A); + pl_rev = REV_G(readl(regs + PL_REV_A)); + chip = get_chip_type(pdev, pl_rev); + func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ? + SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami); if (func != ent->driver_data) { iounmap(regs); pci_disable_device(pdev); @@ -4677,8 +4719,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) err = -ENOMEM; goto out_free_adapter; } - t4_write_reg(adapter, SGE_STAT_CFG_A, - STATSOURCE_T5_V(7) | STATMODE_V(0)); } setup_memwin(adapter); @@ -4690,6 +4730,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto out_unmap_bar; + /* configure SGE_STAT_CFG_A to read WC stats */ + if (!is_t4(adapter->params.chip)) + t4_write_reg(adapter, SGE_STAT_CFG_A, + STATSOURCE_T5_V(7) | STATMODE_V(0)); + for_each_port(adapter, i) { struct net_device *netdev; @@ -4757,7 +4802,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) */ cfg_queues(adapter); - adapter->l2t = t4_init_l2t(); + adapter->l2t = t4_init_l2t(adapter->l2t_start, adapter->l2t_end); if (!adapter->l2t) { /* We tolerate a lack of L2T, giving up some functionality */ dev_warn(&pdev->dev, "could not allocate L2T, continuing\n"); @@ -4782,6 +4827,22 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->params.offload = 0; } + if (is_offload(adapter)) { + if (t4_read_reg(adapter, LE_DB_CONFIG_A) & HASHEN_F) { + u32 hash_base, hash_reg; + + if (chip <= CHELSIO_T5) { + hash_reg = LE_DB_TID_HASHBASE_A; + hash_base = t4_read_reg(adapter, hash_reg); + adapter->tids.hash_base = hash_base / 4; + } else { + hash_reg = T6_LE_DB_HASH_TID_BASE_A; + hash_base = t4_read_reg(adapter, hash_reg); + adapter->tids.hash_base = hash_base; + } + } + } + /* See what interrupts we'll be using */ if (msi > 1 && enable_msix(adapter) == 0) adapter->flags |= USING_MSIX; |