diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000/e1000_main.c | 15 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_defines.h | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_mbx.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 23 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 429 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igbvf/igbvf.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igbvf/mbx.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igbvf/netdev.c | 70 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igbvf/vf.c | 41 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igbvf/vf.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgb/ixgb_main.c | 16 |
12 files changed, 499 insertions, 134 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 93fc6c67306b..bd8b05fe8258 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -131,7 +131,6 @@ static void e1000_watchdog(struct work_struct *work); static void e1000_82547_tx_fifo_stall_task(struct work_struct *work); static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev); -static struct net_device_stats *e1000_get_stats(struct net_device *netdev); static int e1000_change_mtu(struct net_device *netdev, int new_mtu); static int e1000_set_mac(struct net_device *netdev, void *p); static irqreturn_t e1000_intr(int irq, void *data); @@ -846,7 +845,6 @@ static const struct net_device_ops e1000_netdev_ops = { .ndo_open = e1000_open, .ndo_stop = e1000_close, .ndo_start_xmit = e1000_xmit_frame, - .ndo_get_stats = e1000_get_stats, .ndo_set_rx_mode = e1000_set_rx_mode, .ndo_set_mac_address = e1000_set_mac, .ndo_tx_timeout = e1000_tx_timeout, @@ -3530,19 +3528,6 @@ static void e1000_reset_task(struct work_struct *work) } /** - * e1000_get_stats - Get System Network Statistics - * @netdev: network interface device structure - * - * Returns the address of the device statistics structure. - * The statistics are actually updated from the watchdog. - **/ -static struct net_device_stats *e1000_get_stats(struct net_device *netdev) -{ - /* only return the current stats */ - return &netdev->stats; -} - -/** * e1000_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index e9af89ad039c..667fc45ce906 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -3511,6 +3511,12 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca) switch (hw->mac.type) { case e1000_pch2lan: + /* Stable 96MHz frequency */ + incperiod = INCPERIOD_96MHz; + incvalue = INCVALUE_96MHz; + shift = INCVALUE_SHIFT_96MHz; + adapter->cc.shift = shift + INCPERIOD_SHIFT_96MHz; + break; case e1000_pch_lpt: if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) { /* Stable 96MHz frequency */ diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index 8aee314332a8..d8517779439b 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -39,6 +39,27 @@ #define E1000_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */ #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ +/* Wake Up Status */ +#define E1000_WUS_EX 0x00000004 /* Directed Exact */ +#define E1000_WUS_ARPD 0x00000020 /* Directed ARP Request */ +#define E1000_WUS_IPV4 0x00000040 /* Directed IPv4 */ +#define E1000_WUS_IPV6 0x00000080 /* Directed IPv6 */ +#define E1000_WUS_NSD 0x00000400 /* Directed IPv6 Neighbor Solicitation */ + +/* Packet types that are enabled for wake packet delivery */ +#define WAKE_PKT_WUS ( \ + E1000_WUS_EX | \ + E1000_WUS_ARPD | \ + E1000_WUS_IPV4 | \ + E1000_WUS_IPV6 | \ + E1000_WUS_NSD) + +/* Wake Up Packet Length */ +#define E1000_WUPL_MASK 0x00000FFF + +/* Wake Up Packet Memory stores the first 128 bytes of the wake up packet */ +#define E1000_WUPM_BYTES 128 + /* Extended Device Control */ #define E1000_CTRL_EXT_SDP2_DATA 0x00000040 /* Value of SW Defineable Pin 2 */ #define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Defineable Pin 3 */ diff --git a/drivers/net/ethernet/intel/igb/e1000_mbx.h b/drivers/net/ethernet/intel/igb/e1000_mbx.h index d20af6b2f581..3e7fed73df15 100644 --- a/drivers/net/ethernet/intel/igb/e1000_mbx.h +++ b/drivers/net/ethernet/intel/igb/e1000_mbx.h @@ -55,6 +55,10 @@ #define E1000_VF_RESET 0x01 /* VF requests reset */ #define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */ +/* VF requests to clear all unicast MAC filters */ +#define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT) +/* VF requests to add unicast MAC filter */ +#define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT) #define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */ #define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */ #define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */ diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index dc6e2980718f..bf9bf9056d0c 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -111,6 +111,16 @@ struct vf_data_storage { bool spoofchk_enabled; }; +/* Number of unicast MAC filters reserved for the PF in the RAR registers */ +#define IGB_PF_MAC_FILTERS_RESERVED 3 + +struct vf_mac_filter { + struct list_head l; + int vf; + bool free; + u8 vf_mac[ETH_ALEN]; +}; + #define IGB_VF_FLAG_CTS 0x00000001 /* VF is clear to send data */ #define IGB_VF_FLAG_UNI_PROMISC 0x00000002 /* VF has unicast promisc */ #define IGB_VF_FLAG_MULTI_PROMISC 0x00000004 /* VF has multicast promisc */ @@ -449,6 +459,15 @@ struct igb_nfc_filter { u16 action; }; +struct igb_mac_addr { + u8 addr[ETH_ALEN]; + u8 queue; + u8 state; /* bitmask */ +}; + +#define IGB_MAC_STATE_DEFAULT 0x1 +#define IGB_MAC_STATE_IN_USE 0x2 + /* board specific private data structure */ struct igb_adapter { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; @@ -575,6 +594,10 @@ struct igb_adapter { /* lock for RX network flow classification filter */ spinlock_t nfc_lock; bool etype_bitmap[MAX_ETYPE_FILTER]; + + struct igb_mac_addr *mac_table; + struct vf_mac_filter vf_macs; + struct vf_mac_filter *vf_mac_list; }; /* flags controlling PTP/1588 function */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 26a821fcd220..1cf74aa4ebd9 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -161,11 +161,16 @@ static void igb_vlan_mode(struct net_device *netdev, static int igb_vlan_rx_add_vid(struct net_device *, __be16, u16); static int igb_vlan_rx_kill_vid(struct net_device *, __be16, u16); static void igb_restore_vlan(struct igb_adapter *); -static void igb_rar_set_qsel(struct igb_adapter *, u8 *, u32 , u8); +static void igb_rar_set_index(struct igb_adapter *, u32); static void igb_ping_all_vfs(struct igb_adapter *); static void igb_msg_task(struct igb_adapter *); static void igb_vmm_control(struct igb_adapter *); static int igb_set_vf_mac(struct igb_adapter *, int, unsigned char *); +static void igb_flush_mac_table(struct igb_adapter *); +static int igb_available_rars(struct igb_adapter *, u8); +static void igb_set_default_mac_filter(struct igb_adapter *); +static int igb_uc_sync(struct net_device *, const unsigned char *); +static int igb_uc_unsync(struct net_device *, const unsigned char *); static void igb_restore_vf_multicasts(struct igb_adapter *adapter); static int igb_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac); static int igb_ndo_set_vf_vlan(struct net_device *netdev, @@ -1153,6 +1158,8 @@ msi_only: pci_disable_sriov(adapter->pdev); msleep(500); + kfree(adapter->vf_mac_list); + adapter->vf_mac_list = NULL; kfree(adapter->vf_data); adapter->vf_data = NULL; wr32(E1000_IOVCTL, E1000_IOVCTL_REUSE_VFQ); @@ -1987,6 +1994,13 @@ void igb_reset(struct igb_adapter *adapter) if (hw->mac.ops.init_hw(hw)) dev_err(&pdev->dev, "Hardware Error\n"); + /* RAR registers were cleared during init_hw, clear mac table */ + igb_flush_mac_table(adapter); + __dev_uc_unsync(adapter->netdev, NULL); + + /* Recover default RAR entry */ + igb_set_default_mac_filter(adapter); + /* Flow control settings reset on hardware reset, so guarantee flow * control is off when forcing speed. */ @@ -2095,11 +2109,9 @@ static int igb_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], /* guarantee we can provide a unique filter for the unicast address */ if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) { struct igb_adapter *adapter = netdev_priv(dev); - struct e1000_hw *hw = &adapter->hw; int vfn = adapter->vfs_allocated_count; - int rar_entries = hw->mac.rar_entry_count - (vfn + 1); - if (netdev_uc_count(dev) >= rar_entries) + if (netdev_uc_count(dev) >= igb_available_rars(adapter, vfn)) return -ENOMEM; } @@ -2517,6 +2529,8 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_eeprom; } + igb_set_default_mac_filter(adapter); + /* get firmware version for ethtool -i */ igb_set_fw_version(adapter); @@ -2761,6 +2775,7 @@ err_eeprom: if (hw->flash_address) iounmap(hw->flash_address); err_sw_init: + kfree(adapter->mac_table); kfree(adapter->shadow_vfta); igb_clear_interrupt_scheme(adapter); #ifdef CONFIG_PCI_IOV @@ -2796,6 +2811,8 @@ static int igb_disable_sriov(struct pci_dev *pdev) msleep(500); } + kfree(adapter->vf_mac_list); + adapter->vf_mac_list = NULL; kfree(adapter->vf_data); adapter->vf_data = NULL; adapter->vfs_allocated_count = 0; @@ -2816,8 +2833,9 @@ static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs) struct net_device *netdev = pci_get_drvdata(pdev); struct igb_adapter *adapter = netdev_priv(netdev); int old_vfs = pci_num_vf(pdev); + struct vf_mac_filter *mac_list; int err = 0; - int i; + int num_vf_mac_filters, i; if (!(adapter->flags & IGB_FLAG_HAS_MSIX) || num_vfs > 7) { err = -EPERM; @@ -2845,6 +2863,38 @@ static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs) goto out; } + /* Due to the limited number of RAR entries calculate potential + * number of MAC filters available for the VFs. Reserve entries + * for PF default MAC, PF MAC filters and at least one RAR entry + * for each VF for VF MAC. + */ + num_vf_mac_filters = adapter->hw.mac.rar_entry_count - + (1 + IGB_PF_MAC_FILTERS_RESERVED + + adapter->vfs_allocated_count); + + adapter->vf_mac_list = kcalloc(num_vf_mac_filters, + sizeof(struct vf_mac_filter), + GFP_KERNEL); + + mac_list = adapter->vf_mac_list; + INIT_LIST_HEAD(&adapter->vf_macs.l); + + if (adapter->vf_mac_list) { + /* Initialize list of VF MAC filters */ + for (i = 0; i < num_vf_mac_filters; i++) { + mac_list->vf = -1; + mac_list->free = true; + list_add(&mac_list->l, &adapter->vf_macs.l); + mac_list++; + } + } else { + /* If we could not allocate memory for the VF MAC filters + * we can continue without this feature but warn user. + */ + dev_err(&pdev->dev, + "Unable to allocate memory for VF MAC filter list\n"); + } + /* only call pci_enable_sriov() if no VFs are allocated already */ if (!old_vfs) { err = pci_enable_sriov(pdev, adapter->vfs_allocated_count); @@ -2861,6 +2911,8 @@ static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs) goto out; err_out: + kfree(adapter->vf_mac_list); + adapter->vf_mac_list = NULL; kfree(adapter->vf_data); adapter->vf_data = NULL; adapter->vfs_allocated_count = 0; @@ -2937,6 +2989,7 @@ static void igb_remove(struct pci_dev *pdev) iounmap(hw->flash_address); pci_release_mem_regions(pdev); + kfree(adapter->mac_table); kfree(adapter->shadow_vfta); free_netdev(netdev); @@ -3099,6 +3152,11 @@ static int igb_sw_init(struct igb_adapter *adapter) /* Assume MSI-X interrupts, will be checked during IRQ allocation */ adapter->flags |= IGB_FLAG_HAS_MSIX; + adapter->mac_table = kzalloc(sizeof(struct igb_mac_addr) * + hw->mac.rar_entry_count, GFP_ATOMIC); + if (!adapter->mac_table) + return -ENOMEM; + igb_probe_vfs(adapter); igb_init_queue_configuration(adapter); @@ -3810,8 +3868,7 @@ static void igb_configure_rx(struct igb_adapter *adapter) int i; /* set the correct pool for the PF default MAC address in entry 0 */ - igb_rar_set_qsel(adapter, adapter->hw.mac.addr, 0, - adapter->vfs_allocated_count); + igb_set_default_mac_filter(adapter); /* Setup the HW Rx Head and Tail Descriptor Pointers and * the Base and Length of the Rx Descriptor Ring @@ -4051,8 +4108,7 @@ static int igb_set_mac(struct net_device *netdev, void *p) memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); /* set the correct pool for the new PF MAC address in entry 0 */ - igb_rar_set_qsel(adapter, hw->mac.addr, 0, - adapter->vfs_allocated_count); + igb_set_default_mac_filter(adapter); return 0; } @@ -4096,49 +4152,6 @@ static int igb_write_mc_addr_list(struct net_device *netdev) return netdev_mc_count(netdev); } -/** - * igb_write_uc_addr_list - write unicast addresses to RAR table - * @netdev: network interface device structure - * - * Writes unicast address list to the RAR table. - * Returns: -ENOMEM on failure/insufficient address space - * 0 on no addresses written - * X on writing X addresses to the RAR table - **/ -static int igb_write_uc_addr_list(struct net_device *netdev) -{ - struct igb_adapter *adapter = netdev_priv(netdev); - struct e1000_hw *hw = &adapter->hw; - unsigned int vfn = adapter->vfs_allocated_count; - unsigned int rar_entries = hw->mac.rar_entry_count - (vfn + 1); - int count = 0; - - /* return ENOMEM indicating insufficient memory for addresses */ - if (netdev_uc_count(netdev) > rar_entries) - return -ENOMEM; - - if (!netdev_uc_empty(netdev) && rar_entries) { - struct netdev_hw_addr *ha; - - netdev_for_each_uc_addr(ha, netdev) { - if (!rar_entries) - break; - igb_rar_set_qsel(adapter, ha->addr, - rar_entries--, - vfn); - count++; - } - } - /* write the addresses in reverse order to avoid write combining */ - for (; rar_entries > 0 ; rar_entries--) { - wr32(E1000_RAH(rar_entries), 0); - wr32(E1000_RAL(rar_entries), 0); - } - wrfl(); - - return count; -} - static int igb_vlan_promisc_enable(struct igb_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; @@ -4311,8 +4324,7 @@ static void igb_set_rx_mode(struct net_device *netdev) * sufficient space to store all the addresses then enable * unicast promiscuous mode */ - count = igb_write_uc_addr_list(netdev); - if (count < 0) { + if (__dev_uc_sync(netdev, igb_uc_sync, igb_uc_unsync)) { rctl |= E1000_RCTL_UPE; vmolr |= E1000_VMOLR_ROPE; } @@ -6369,7 +6381,6 @@ static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) { struct e1000_hw *hw = &adapter->hw; unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses; - int rar_entry = hw->mac.rar_entry_count - (vf + 1); u32 reg, msgbuf[3]; u8 *addr = (u8 *)(&msgbuf[1]); @@ -6377,7 +6388,7 @@ static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) igb_vf_reset(adapter, vf); /* set vf mac address */ - igb_rar_set_qsel(adapter, vf_mac, rar_entry, vf); + igb_set_vf_mac(adapter, vf, vf_mac); /* enable transmit and receive for vf */ reg = rd32(E1000_VFTE); @@ -6397,18 +6408,238 @@ static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) igb_write_mbx(hw, msgbuf, 3, vf); } +static void igb_flush_mac_table(struct igb_adapter *adapter) +{ + struct e1000_hw *hw = &adapter->hw; + int i; + + for (i = 0; i < hw->mac.rar_entry_count; i++) { + adapter->mac_table[i].state &= ~IGB_MAC_STATE_IN_USE; + memset(adapter->mac_table[i].addr, 0, ETH_ALEN); + adapter->mac_table[i].queue = 0; + igb_rar_set_index(adapter, i); + } +} + +static int igb_available_rars(struct igb_adapter *adapter, u8 queue) +{ + struct e1000_hw *hw = &adapter->hw; + /* do not count rar entries reserved for VFs MAC addresses */ + int rar_entries = hw->mac.rar_entry_count - + adapter->vfs_allocated_count; + int i, count = 0; + + for (i = 0; i < rar_entries; i++) { + /* do not count default entries */ + if (adapter->mac_table[i].state & IGB_MAC_STATE_DEFAULT) + continue; + + /* do not count "in use" entries for different queues */ + if ((adapter->mac_table[i].state & IGB_MAC_STATE_IN_USE) && + (adapter->mac_table[i].queue != queue)) + continue; + + count++; + } + + return count; +} + +/* Set default MAC address for the PF in the first RAR entry */ +static void igb_set_default_mac_filter(struct igb_adapter *adapter) +{ + struct igb_mac_addr *mac_table = &adapter->mac_table[0]; + + ether_addr_copy(mac_table->addr, adapter->hw.mac.addr); + mac_table->queue = adapter->vfs_allocated_count; + mac_table->state = IGB_MAC_STATE_DEFAULT | IGB_MAC_STATE_IN_USE; + + igb_rar_set_index(adapter, 0); +} + +int igb_add_mac_filter(struct igb_adapter *adapter, const u8 *addr, + const u8 queue) +{ + struct e1000_hw *hw = &adapter->hw; + int rar_entries = hw->mac.rar_entry_count - + adapter->vfs_allocated_count; + int i; + + if (is_zero_ether_addr(addr)) + return -EINVAL; + + /* Search for the first empty entry in the MAC table. + * Do not touch entries at the end of the table reserved for the VF MAC + * addresses. + */ + for (i = 0; i < rar_entries; i++) { + if (adapter->mac_table[i].state & IGB_MAC_STATE_IN_USE) + continue; + + ether_addr_copy(adapter->mac_table[i].addr, addr); + adapter->mac_table[i].queue = queue; + adapter->mac_table[i].state |= IGB_MAC_STATE_IN_USE; + + igb_rar_set_index(adapter, i); + return i; + } + + return -ENOSPC; +} + +int igb_del_mac_filter(struct igb_adapter *adapter, const u8 *addr, + const u8 queue) +{ + struct e1000_hw *hw = &adapter->hw; + int rar_entries = hw->mac.rar_entry_count - + adapter->vfs_allocated_count; + int i; + + if (is_zero_ether_addr(addr)) + return -EINVAL; + + /* Search for matching entry in the MAC table based on given address + * and queue. Do not touch entries at the end of the table reserved + * for the VF MAC addresses. + */ + for (i = 0; i < rar_entries; i++) { + if (!(adapter->mac_table[i].state & IGB_MAC_STATE_IN_USE)) + continue; + if (adapter->mac_table[i].queue != queue) + continue; + if (!ether_addr_equal(adapter->mac_table[i].addr, addr)) + continue; + + adapter->mac_table[i].state &= ~IGB_MAC_STATE_IN_USE; + memset(adapter->mac_table[i].addr, 0, ETH_ALEN); + adapter->mac_table[i].queue = 0; + + igb_rar_set_index(adapter, i); + return 0; + } + + return -ENOENT; +} + +static int igb_uc_sync(struct net_device *netdev, const unsigned char *addr) +{ + struct igb_adapter *adapter = netdev_priv(netdev); + int ret; + + ret = igb_add_mac_filter(adapter, addr, adapter->vfs_allocated_count); + + return min_t(int, ret, 0); +} + +static int igb_uc_unsync(struct net_device *netdev, const unsigned char *addr) +{ + struct igb_adapter *adapter = netdev_priv(netdev); + + igb_del_mac_filter(adapter, addr, adapter->vfs_allocated_count); + + return 0; +} + +int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf, + const u32 info, const u8 *addr) +{ + struct pci_dev *pdev = adapter->pdev; + struct vf_data_storage *vf_data = &adapter->vf_data[vf]; + struct list_head *pos; + struct vf_mac_filter *entry = NULL; + int ret = 0; + + switch (info) { + case E1000_VF_MAC_FILTER_CLR: + /* remove all unicast MAC filters related to the current VF */ + list_for_each(pos, &adapter->vf_macs.l) { + entry = list_entry(pos, struct vf_mac_filter, l); + if (entry->vf == vf) { + entry->vf = -1; + entry->free = true; + igb_del_mac_filter(adapter, entry->vf_mac, vf); + } + } + break; + case E1000_VF_MAC_FILTER_ADD: + if (vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) { + dev_warn(&pdev->dev, + "VF %d requested MAC filter but is administratively denied\n", + vf); + return -EINVAL; + } + + if (!is_valid_ether_addr(addr)) { + dev_warn(&pdev->dev, + "VF %d attempted to set invalid MAC filter\n", + vf); + return -EINVAL; + } + + /* try to find empty slot in the list */ + list_for_each(pos, &adapter->vf_macs.l) { + entry = list_entry(pos, struct vf_mac_filter, l); + if (entry->free) + break; + } + + if (entry && entry->free) { + entry->free = false; + entry->vf = vf; + ether_addr_copy(entry->vf_mac, addr); + + ret = igb_add_mac_filter(adapter, addr, vf); + ret = min_t(int, ret, 0); + } else { + ret = -ENOSPC; + } + + if (ret == -ENOSPC) + dev_warn(&pdev->dev, + "VF %d has requested MAC filter but there is no space for it\n", + vf); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + static int igb_set_vf_mac_addr(struct igb_adapter *adapter, u32 *msg, int vf) { + struct pci_dev *pdev = adapter->pdev; + struct vf_data_storage *vf_data = &adapter->vf_data[vf]; + u32 info = msg[0] & E1000_VT_MSGINFO_MASK; + /* The VF MAC Address is stored in a packed array of bytes * starting at the second 32 bit word of the msg array */ - unsigned char *addr = (char *)&msg[1]; - int err = -1; + unsigned char *addr = (unsigned char *)&msg[1]; + int ret = 0; - if (is_valid_ether_addr(addr)) - err = igb_set_vf_mac(adapter, vf, addr); + if (!info) { + if (vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) { + dev_warn(&pdev->dev, + "VF %d attempted to override administratively set MAC address\nReload the VF driver to resume operations\n", + vf); + return -EINVAL; + } - return err; + if (!is_valid_ether_addr(addr)) { + dev_warn(&pdev->dev, + "VF %d attempted to set invalid MAC\n", + vf); + return -EINVAL; + } + + ret = igb_set_vf_mac(adapter, vf, addr); + } else { + ret = igb_set_vf_mac_filter(adapter, vf, info, addr); + } + + return ret; } static void igb_rcv_ack_from_vf(struct igb_adapter *adapter, u32 vf) @@ -6465,13 +6696,7 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) switch ((msgbuf[0] & 0xFFFF)) { case E1000_VF_SET_MAC_ADDR: - retval = -EINVAL; - if (!(vf_data->flags & IGB_VF_FLAG_PF_SET_MAC)) - retval = igb_set_vf_mac_addr(adapter, msgbuf, vf); - else - dev_warn(&pdev->dev, - "VF %d attempted to override administratively set MAC address\nReload the VF driver to resume operations\n", - vf); + retval = igb_set_vf_mac_addr(adapter, msgbuf, vf); break; case E1000_VF_SET_PROMISC: retval = igb_set_vf_promisc(adapter, msgbuf, vf); @@ -7760,6 +7985,36 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake, return 0; } +static void igb_deliver_wake_packet(struct net_device *netdev) +{ + struct igb_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; + struct sk_buff *skb; + u32 wupl; + + wupl = rd32(E1000_WUPL) & E1000_WUPL_MASK; + + /* WUPM stores only the first 128 bytes of the wake packet. + * Read the packet only if we have the whole thing. + */ + if ((wupl == 0) || (wupl > E1000_WUPM_BYTES)) + return; + + skb = netdev_alloc_skb_ip_align(netdev, E1000_WUPM_BYTES); + if (!skb) + return; + + skb_put(skb, wupl); + + /* Ensure reads are 32-bit aligned */ + wupl = roundup(wupl, 4); + + memcpy_fromio(skb->data, hw->hw_addr + E1000_WUPM_REG(0), wupl); + + skb->protocol = eth_type_trans(skb, netdev); + netif_rx(skb); +} + #ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP static int igb_suspend(struct device *dev) @@ -7789,7 +8044,7 @@ static int igb_resume(struct device *dev) struct net_device *netdev = pci_get_drvdata(pdev); struct igb_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 err; + u32 err, val; pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); @@ -7820,6 +8075,10 @@ static int igb_resume(struct device *dev) */ igb_get_hw_control(adapter); + val = rd32(E1000_WUS); + if (val & WAKE_PKT_WUS) + igb_deliver_wake_packet(netdev); + wr32(E1000_WUS, ~0); rtnl_lock(); @@ -8078,11 +8337,16 @@ static void igb_io_resume(struct pci_dev *pdev) igb_get_hw_control(adapter); } -static void igb_rar_set_qsel(struct igb_adapter *adapter, u8 *addr, u32 index, - u8 qsel) +/** + * igb_rar_set_index - Sync RAL[index] and RAH[index] registers with MAC table + * @adapter: Pointer to adapter structure + * @index: Index of the RAR entry which need to be synced with MAC table + **/ +static void igb_rar_set_index(struct igb_adapter *adapter, u32 index) { struct e1000_hw *hw = &adapter->hw; u32 rar_low, rar_high; + u8 *addr = adapter->mac_table[index].addr; /* HW expects these to be in network order when they are plugged * into the registers which are little endian. In order to guarantee @@ -8093,12 +8357,16 @@ static void igb_rar_set_qsel(struct igb_adapter *adapter, u8 *addr, u32 index, rar_high = le16_to_cpup((__le16 *)(addr + 4)); /* Indicate to hardware the Address is Valid. */ - rar_high |= E1000_RAH_AV; + if (adapter->mac_table[index].state & IGB_MAC_STATE_IN_USE) { + rar_high |= E1000_RAH_AV; - if (hw->mac.type == e1000_82575) - rar_high |= E1000_RAH_POOL_1 * qsel; - else - rar_high |= E1000_RAH_POOL_1 << qsel; + if (hw->mac.type == e1000_82575) + rar_high |= E1000_RAH_POOL_1 * + adapter->mac_table[index].queue; + else + rar_high |= E1000_RAH_POOL_1 << + adapter->mac_table[index].queue; + } wr32(E1000_RAL(index), rar_low); wrfl(); @@ -8114,10 +8382,13 @@ static int igb_set_vf_mac(struct igb_adapter *adapter, * towards the first, as a result a collision should not be possible */ int rar_entry = hw->mac.rar_entry_count - (vf + 1); + unsigned char *vf_mac_addr = adapter->vf_data[vf].vf_mac_addresses; - memcpy(adapter->vf_data[vf].vf_mac_addresses, mac_addr, ETH_ALEN); - - igb_rar_set_qsel(adapter, mac_addr, rar_entry, vf); + ether_addr_copy(vf_mac_addr, mac_addr); + ether_addr_copy(adapter->mac_table[rar_entry].addr, mac_addr); + adapter->mac_table[rar_entry].queue = vf; + adapter->mac_table[rar_entry].state |= IGB_MAC_STATE_IN_USE; + igb_rar_set_index(adapter, rar_entry); return 0; } diff --git a/drivers/net/ethernet/intel/igbvf/igbvf.h b/drivers/net/ethernet/intel/igbvf/igbvf.h index 6f4290d6dc9f..bf69f01f8467 100644 --- a/drivers/net/ethernet/intel/igbvf/igbvf.h +++ b/drivers/net/ethernet/intel/igbvf/igbvf.h @@ -101,6 +101,8 @@ enum latency_range { #define IGBVF_MNG_VLAN_NONE (-1) +#define IGBVF_MAX_MAC_FILTERS 3 + /* Number of packet split data buffers (not including the header buffer) */ #define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1) @@ -241,7 +243,6 @@ struct igbvf_adapter { /* OS defined structs */ struct net_device *netdev; struct pci_dev *pdev; - struct net_device_stats net_stats; spinlock_t stats_lock; /* prevent concurrent stats updates */ /* structs defined in e1000_hw.h */ diff --git a/drivers/net/ethernet/intel/igbvf/mbx.h b/drivers/net/ethernet/intel/igbvf/mbx.h index f800bf8eedae..30d58c4a444e 100644 --- a/drivers/net/ethernet/intel/igbvf/mbx.h +++ b/drivers/net/ethernet/intel/igbvf/mbx.h @@ -62,6 +62,10 @@ #define E1000_VF_RESET 0x01 /* VF requests reset */ #define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ +/* VF requests PF to clear all unicast MAC filters */ +#define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT) +/* VF requests PF to add unicast MAC filter */ +#define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT) #define E1000_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ #define E1000_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ #define E1000_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 839ba110f7fb..1b9cbbe88f6f 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -400,8 +400,8 @@ next_desc: adapter->total_rx_packets += total_packets; adapter->total_rx_bytes += total_bytes; - adapter->net_stats.rx_bytes += total_bytes; - adapter->net_stats.rx_packets += total_packets; + netdev->stats.rx_bytes += total_bytes; + netdev->stats.rx_packets += total_packets; return cleaned; } @@ -864,8 +864,8 @@ static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring) } } - adapter->net_stats.tx_bytes += total_bytes; - adapter->net_stats.tx_packets += total_packets; + netdev->stats.tx_bytes += total_bytes; + netdev->stats.tx_packets += total_packets; return count < tx_ring->count; } @@ -1433,12 +1433,52 @@ static void igbvf_set_multi(struct net_device *netdev) } /** + * igbvf_set_uni - Configure unicast MAC filters + * @netdev: network interface device structure + * + * This routine is responsible for configuring the hardware for proper + * unicast filters. + **/ +static int igbvf_set_uni(struct net_device *netdev) +{ + struct igbvf_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; + + if (netdev_uc_count(netdev) > IGBVF_MAX_MAC_FILTERS) { + pr_err("Too many unicast filters - No Space\n"); + return -ENOSPC; + } + + /* Clear all unicast MAC filters */ + hw->mac.ops.set_uc_addr(hw, E1000_VF_MAC_FILTER_CLR, NULL); + + if (!netdev_uc_empty(netdev)) { + struct netdev_hw_addr *ha; + + /* Add MAC filters one by one */ + netdev_for_each_uc_addr(ha, netdev) { + hw->mac.ops.set_uc_addr(hw, E1000_VF_MAC_FILTER_ADD, + ha->addr); + udelay(200); + } + } + + return 0; +} + +static void igbvf_set_rx_mode(struct net_device *netdev) +{ + igbvf_set_multi(netdev); + igbvf_set_uni(netdev); +} + +/** * igbvf_configure - configure the hardware for Rx and Tx * @adapter: private board structure **/ static void igbvf_configure(struct igbvf_adapter *adapter) { - igbvf_set_multi(adapter->netdev); + igbvf_set_rx_mode(adapter->netdev); igbvf_restore_vlan(adapter); @@ -1798,7 +1838,7 @@ void igbvf_update_stats(struct igbvf_adapter *adapter) UPDATE_VF_COUNTER(VFGPRLBC, gprlbc); /* Fill out the OS statistics structure */ - adapter->net_stats.multicast = adapter->stats.mprc; + adapter->netdev->stats.multicast = adapter->stats.mprc; } static void igbvf_print_link_info(struct igbvf_adapter *adapter) @@ -2334,21 +2374,6 @@ static void igbvf_reset_task(struct work_struct *work) } /** - * igbvf_get_stats - Get System Network Statistics - * @netdev: network interface device structure - * - * Returns the address of the device statistics structure. - * The statistics are actually updated from the timer callback. - **/ -static struct net_device_stats *igbvf_get_stats(struct net_device *netdev) -{ - struct igbvf_adapter *adapter = netdev_priv(netdev); - - /* only return the current stats */ - return &adapter->net_stats; -} - -/** * igbvf_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size @@ -2635,8 +2660,7 @@ static const struct net_device_ops igbvf_netdev_ops = { .ndo_open = igbvf_open, .ndo_stop = igbvf_close, .ndo_start_xmit = igbvf_xmit_frame, - .ndo_get_stats = igbvf_get_stats, - .ndo_set_rx_mode = igbvf_set_multi, + .ndo_set_rx_mode = igbvf_set_rx_mode, .ndo_set_mac_address = igbvf_set_mac, .ndo_change_mtu = igbvf_change_mtu, .ndo_do_ioctl = igbvf_ioctl, diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c index 335ba6642145..528be116184e 100644 --- a/drivers/net/ethernet/intel/igbvf/vf.c +++ b/drivers/net/ethernet/intel/igbvf/vf.c @@ -36,6 +36,7 @@ static void e1000_update_mc_addr_list_vf(struct e1000_hw *hw, u8 *, u32, u32, u32); static void e1000_rar_set_vf(struct e1000_hw *, u8 *, u32); static s32 e1000_read_mac_addr_vf(struct e1000_hw *); +static s32 e1000_set_uc_addr_vf(struct e1000_hw *hw, u32 subcmd, u8 *addr); static s32 e1000_set_vfta_vf(struct e1000_hw *, u16, bool); /** @@ -66,6 +67,8 @@ static s32 e1000_init_mac_params_vf(struct e1000_hw *hw) mac->ops.rar_set = e1000_rar_set_vf; /* read mac address */ mac->ops.read_mac_addr = e1000_read_mac_addr_vf; + /* set mac filter */ + mac->ops.set_uc_addr = e1000_set_uc_addr_vf; /* set vlan filter table array */ mac->ops.set_vfta = e1000_set_vfta_vf; @@ -338,6 +341,44 @@ static s32 e1000_read_mac_addr_vf(struct e1000_hw *hw) } /** + * e1000_set_uc_addr_vf - Set or clear unicast filters + * @hw: pointer to the HW structure + * @sub_cmd: add or clear filters + * @addr: pointer to the filter MAC address + **/ +static s32 e1000_set_uc_addr_vf(struct e1000_hw *hw, u32 sub_cmd, u8 *addr) +{ + struct e1000_mbx_info *mbx = &hw->mbx; + u32 msgbuf[3], msgbuf_chk; + u8 *msg_addr = (u8 *)(&msgbuf[1]); + s32 ret_val; + + memset(msgbuf, 0, sizeof(msgbuf)); + msgbuf[0] |= sub_cmd; + msgbuf[0] |= E1000_VF_SET_MAC_ADDR; + msgbuf_chk = msgbuf[0]; + + if (addr) + memcpy(msg_addr, addr, ETH_ALEN); + + ret_val = mbx->ops.write_posted(hw, msgbuf, 3); + + if (!ret_val) + ret_val = mbx->ops.read_posted(hw, msgbuf, 3); + + msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS; + + if (!ret_val) { + msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS; + + if (msgbuf[0] == (msgbuf_chk | E1000_VT_MSGTYPE_NACK)) + return -ENOSPC; + } + + return ret_val; +} + +/** * e1000_check_for_link_vf - Check for link for a virtual interface * @hw: pointer to the HW structure * diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h index f00a41d9a1ca..4cf78b0dec50 100644 --- a/drivers/net/ethernet/intel/igbvf/vf.h +++ b/drivers/net/ethernet/intel/igbvf/vf.h @@ -179,6 +179,7 @@ struct e1000_mac_operations { s32 (*get_bus_info)(struct e1000_hw *); s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *); void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32); + s32 (*set_uc_addr)(struct e1000_hw *, u32, u8 *); s32 (*reset_hw)(struct e1000_hw *); s32 (*init_hw)(struct e1000_hw *); s32 (*setup_link)(struct e1000_hw *); diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index fbd220d137b3..5a713199653c 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -86,7 +86,6 @@ static void ixgb_set_multi(struct net_device *netdev); static void ixgb_watchdog(unsigned long data); static netdev_tx_t ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev); -static struct net_device_stats *ixgb_get_stats(struct net_device *netdev); static int ixgb_change_mtu(struct net_device *netdev, int new_mtu); static int ixgb_set_mac(struct net_device *netdev, void *p); static irqreturn_t ixgb_intr(int irq, void *data); @@ -367,7 +366,6 @@ static const struct net_device_ops ixgb_netdev_ops = { .ndo_open = ixgb_open, .ndo_stop = ixgb_close, .ndo_start_xmit = ixgb_xmit_frame, - .ndo_get_stats = ixgb_get_stats, .ndo_set_rx_mode = ixgb_set_multi, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = ixgb_set_mac, @@ -1597,20 +1595,6 @@ ixgb_tx_timeout_task(struct work_struct *work) } /** - * ixgb_get_stats - Get System Network Statistics - * @netdev: network interface device structure - * - * Returns the address of the device statistics structure. - * The statistics are actually updated from the timer callback. - **/ - -static struct net_device_stats * -ixgb_get_stats(struct net_device *netdev) -{ - return &netdev->stats; -} - -/** * ixgb_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size |