diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/falcon/efx.c')
-rw-r--r-- | drivers/net/ethernet/sfc/falcon/efx.c | 115 |
1 files changed, 33 insertions, 82 deletions
diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c index 42bcd34fc508..e151b0957751 100644 --- a/drivers/net/ethernet/sfc/falcon/efx.c +++ b/drivers/net/ethernet/sfc/falcon/efx.c @@ -112,11 +112,6 @@ module_param(ef4_separate_tx_channels, bool, 0444); MODULE_PARM_DESC(ef4_separate_tx_channels, "Use separate channels for TX and RX"); -/* This is the weight assigned to each of the (per-channel) virtual - * NAPI devices. - */ -static int napi_weight = 64; - /* This is the time (in jiffies) between invocations of the hardware * monitor. * On Falcon-based NICs, this will: @@ -817,9 +812,7 @@ ef4_realloc_channels(struct ef4_nic *efx, u32 rxq_entries, u32 txq_entries) efx->rxq_entries = rxq_entries; efx->txq_entries = txq_entries; for (i = 0; i < efx->n_channels; i++) { - channel = efx->channel[i]; - efx->channel[i] = other_channel[i]; - other_channel[i] = channel; + swap(efx->channel[i], other_channel[i]); } /* Restart buffer table allocation */ @@ -863,9 +856,7 @@ rollback: efx->rxq_entries = old_rxq_entries; efx->txq_entries = old_txq_entries; for (i = 0; i < efx->n_channels; i++) { - channel = efx->channel[i]; - efx->channel[i] = other_channel[i]; - other_channel[i] = channel; + swap(efx->channel[i], other_channel[i]); } goto out; } @@ -1044,7 +1035,7 @@ static int ef4_probe_port(struct ef4_nic *efx) return rc; /* Initialise MAC address to permanent address */ - ether_addr_copy(efx->net_dev->dev_addr, efx->net_dev->perm_addr); + eth_hw_addr_set(efx->net_dev, efx->net_dev->perm_addr); return 0; } @@ -2021,8 +2012,7 @@ static void ef4_init_napi_channel(struct ef4_channel *channel) struct ef4_nic *efx = channel->efx; channel->napi_dev = efx->net_dev; - netif_napi_add(channel->napi_dev, &channel->napi_str, - ef4_poll, napi_weight); + netif_napi_add(channel->napi_dev, &channel->napi_str, ef4_poll); } static void ef4_init_napi(struct ef4_nic *efx) @@ -2162,11 +2152,11 @@ static int ef4_set_mac_address(struct net_device *net_dev, void *data) /* save old address */ ether_addr_copy(old_addr, net_dev->dev_addr); - ether_addr_copy(net_dev->dev_addr, new_addr); + eth_hw_addr_set(net_dev, new_addr); if (efx->type->set_mac_address) { rc = efx->type->set_mac_address(efx); if (rc) { - ether_addr_copy(net_dev->dev_addr, old_addr); + eth_hw_addr_set(net_dev, old_addr); return rc; } } @@ -2219,7 +2209,7 @@ static const struct net_device_ops ef4_netdev_ops = { .ndo_tx_timeout = ef4_watchdog, .ndo_start_xmit = ef4_hard_start_xmit, .ndo_validate_addr = eth_validate_addr, - .ndo_do_ioctl = ef4_ioctl, + .ndo_eth_ioctl = ef4_ioctl, .ndo_change_mtu = ef4_change_mtu, .ndo_set_mac_address = ef4_set_mac_address, .ndo_set_rx_mode = ef4_set_rx_mode, @@ -2254,12 +2244,12 @@ static struct notifier_block ef4_netdev_notifier = { }; static ssize_t -show_phy_type(struct device *dev, struct device_attribute *attr, char *buf) +phy_type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ef4_nic *efx = dev_get_drvdata(dev); return sprintf(buf, "%d\n", efx->phy_type); } -static DEVICE_ATTR(phy_type, 0444, show_phy_type, NULL); +static DEVICE_ATTR_RO(phy_type); static int ef4_register_netdev(struct ef4_nic *efx) { @@ -2271,7 +2261,7 @@ static int ef4_register_netdev(struct ef4_nic *efx) net_dev->irq = efx->pci_dev->irq; net_dev->netdev_ops = &ef4_netdev_ops; net_dev->ethtool_ops = &ef4_ethtool_ops; - net_dev->gso_max_segs = EF4_TSO_MAX_SEGS; + netif_set_tso_max_segs(net_dev, EF4_TSO_MAX_SEGS); net_dev->min_mtu = EF4_MIN_MTU; net_dev->max_mtu = EF4_MAX_MTU; @@ -2339,7 +2329,7 @@ static void ef4_unregister_netdev(struct ef4_nic *efx) BUG_ON(netdev_priv(efx->net_dev) != efx); if (ef4_dev_registered(efx)) { - strlcpy(efx->name, pci_name(efx->pci_dev), sizeof(efx->name)); + strscpy(efx->name, pci_name(efx->pci_dev), sizeof(efx->name)); device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_type); unregister_netdev(efx->net_dev); } @@ -2650,7 +2640,7 @@ static int ef4_init_struct(struct ef4_nic *efx, efx->pci_dev = pci_dev; efx->msg_enable = debug; efx->state = STATE_UNINIT; - strlcpy(efx->name, pci_name(pci_dev), sizeof(efx->name)); + strscpy(efx->name, pci_name(pci_dev), sizeof(efx->name)); efx->net_dev = net_dev; efx->rx_prefix_size = efx->type->rx_prefix_size; @@ -2780,75 +2770,36 @@ static void ef4_pci_remove(struct pci_dev *pci_dev) }; /* NIC VPD information - * Called during probe to display the part number of the - * installed NIC. VPD is potentially very large but this should - * always appear within the first 512 bytes. + * Called during probe to display the part number of the installed NIC. */ -#define SFC_VPD_LEN 512 static void ef4_probe_vpd_strings(struct ef4_nic *efx) { struct pci_dev *dev = efx->pci_dev; - char vpd_data[SFC_VPD_LEN]; - ssize_t vpd_size; - int ro_start, ro_size, i, j; - - /* Get the vpd data from the device */ - vpd_size = pci_read_vpd(dev, 0, sizeof(vpd_data), vpd_data); - if (vpd_size <= 0) { - netif_err(efx, drv, efx->net_dev, "Unable to read VPD\n"); - return; - } - - /* Get the Read only section */ - ro_start = pci_vpd_find_tag(vpd_data, 0, vpd_size, PCI_VPD_LRDT_RO_DATA); - if (ro_start < 0) { - netif_err(efx, drv, efx->net_dev, "VPD Read-only not found\n"); - return; - } - - ro_size = pci_vpd_lrdt_size(&vpd_data[ro_start]); - j = ro_size; - i = ro_start + PCI_VPD_LRDT_TAG_SIZE; - if (i + j > vpd_size) - j = vpd_size - i; + unsigned int vpd_size, kw_len; + u8 *vpd_data; + int start; - /* Get the Part number */ - i = pci_vpd_find_info_keyword(vpd_data, i, j, "PN"); - if (i < 0) { - netif_err(efx, drv, efx->net_dev, "Part number not found\n"); + vpd_data = pci_vpd_alloc(dev, &vpd_size); + if (IS_ERR(vpd_data)) { + pci_warn(dev, "Unable to read VPD\n"); return; } - j = pci_vpd_info_field_size(&vpd_data[i]); - i += PCI_VPD_INFO_FLD_HDR_SIZE; - if (i + j > vpd_size) { - netif_err(efx, drv, efx->net_dev, "Incomplete part number\n"); - return; - } - - netif_info(efx, drv, efx->net_dev, - "Part Number : %.*s\n", j, &vpd_data[i]); - - i = ro_start + PCI_VPD_LRDT_TAG_SIZE; - j = ro_size; - i = pci_vpd_find_info_keyword(vpd_data, i, j, "SN"); - if (i < 0) { - netif_err(efx, drv, efx->net_dev, "Serial number not found\n"); - return; - } - - j = pci_vpd_info_field_size(&vpd_data[i]); - i += PCI_VPD_INFO_FLD_HDR_SIZE; - if (i + j > vpd_size) { - netif_err(efx, drv, efx->net_dev, "Incomplete serial number\n"); - return; - } + start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size, + PCI_VPD_RO_KEYWORD_PARTNO, &kw_len); + if (start < 0) + pci_warn(dev, "Part number not found or incomplete\n"); + else + pci_info(dev, "Part Number : %.*s\n", kw_len, vpd_data + start); - efx->vpd_sn = kmalloc(j + 1, GFP_KERNEL); - if (!efx->vpd_sn) - return; + start = pci_vpd_find_ro_info_keyword(vpd_data, vpd_size, + PCI_VPD_RO_KEYWORD_SERIALNO, &kw_len); + if (start < 0) + pci_warn(dev, "Serial number not found or incomplete\n"); + else + efx->vpd_sn = kmemdup_nul(vpd_data + start, kw_len, GFP_KERNEL); - snprintf(efx->vpd_sn, j + 1, "%s", &vpd_data[i]); + kfree(vpd_data); } @@ -3118,7 +3069,7 @@ static const struct dev_pm_ops ef4_pm_ops = { * Stop the software path and request a slot reset. */ static pci_ers_result_t ef4_io_error_detected(struct pci_dev *pdev, - enum pci_channel_state state) + pci_channel_state_t state) { pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED; struct ef4_nic *efx = pci_get_drvdata(pdev); |