diff options
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 188 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 34 |
3 files changed, 172 insertions, 68 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 1a12c1d..0975742 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -155,7 +155,6 @@ struct vf_data_storage { struct vf_macvlans { struct list_head l; int vf; - int rar_entry; bool free; bool is_macvlan; u8 vf_macvlan[ETH_ALEN]; @@ -614,6 +613,15 @@ static inline void ixgbe_write_tail(struct ixgbe_ring *ring, u32 value) #define MAX_MSIX_VECTORS_82598 18 #define MAX_Q_VECTORS_82598 16 +struct ixgbe_mac_addr { + u8 addr[ETH_ALEN]; + u16 queue; + u16 state; /* bitmask */ +}; +#define IXGBE_MAC_STATE_DEFAULT 0x1 +#define IXGBE_MAC_STATE_MODIFIED 0x2 +#define IXGBE_MAC_STATE_IN_USE 0x4 + #define MAX_Q_VECTORS MAX_Q_VECTORS_82599 #define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599 @@ -785,6 +793,7 @@ struct ixgbe_adapter { u32 timer_event_accumulator; u32 vferr_refcount; + struct ixgbe_mac_addr *mac_table; struct kobject *info_kobj; #ifdef CONFIG_IXGBE_HWMON struct hwmon_buff *ixgbe_hwmon_buff; @@ -863,6 +872,13 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter); int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter); int ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id, u16 subdevice_id); +#ifdef CONFIG_PCI_IOV +void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter); +#endif +int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, + u8 *addr, u16 queue); +int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, + u8 *addr, u16 queue); void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter); netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, struct ixgbe_adapter *, struct ixgbe_ring *); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 84044ed..39a1c07 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -3868,13 +3868,135 @@ static int ixgbe_write_mc_addr_list(struct net_device *netdev) return -ENOMEM; #ifdef CONFIG_PCI_IOV - if (adapter->num_vfs) - ixgbe_restore_vf_multicasts(adapter); + ixgbe_restore_vf_multicasts(adapter); #endif return netdev_mc_count(netdev); } +#ifdef CONFIG_PCI_IOV +void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i; + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE) + hw->mac.ops.set_rar(hw, i, adapter->mac_table[i].addr, + adapter->mac_table[i].queue, + IXGBE_RAH_AV); + else + hw->mac.ops.clear_rar(hw, i); + + adapter->mac_table[i].state &= ~(IXGBE_MAC_STATE_MODIFIED); + } +} +#endif + +static void ixgbe_sync_mac_table(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i; + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state & IXGBE_MAC_STATE_MODIFIED) { + if (adapter->mac_table[i].state & + IXGBE_MAC_STATE_IN_USE) + hw->mac.ops.set_rar(hw, i, + adapter->mac_table[i].addr, + adapter->mac_table[i].queue, + IXGBE_RAH_AV); + else + hw->mac.ops.clear_rar(hw, i); + + adapter->mac_table[i].state &= + ~(IXGBE_MAC_STATE_MODIFIED); + } + } +} + +static void ixgbe_flush_sw_mac_table(struct ixgbe_adapter *adapter) +{ + int i; + struct ixgbe_hw *hw = &adapter->hw; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED; + adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE; + memset(adapter->mac_table[i].addr, 0, ETH_ALEN); + adapter->mac_table[i].queue = 0; + } + ixgbe_sync_mac_table(adapter); +} + +static int ixgbe_available_rars(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i, count = 0; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state == 0) + count++; + } + return count; +} + +/* this function destroys the first RAR entry */ +static void ixgbe_mac_set_default_filter(struct ixgbe_adapter *adapter, + u8 *addr) +{ + struct ixgbe_hw *hw = &adapter->hw; + + memcpy(&adapter->mac_table[0].addr, addr, ETH_ALEN); + adapter->mac_table[0].queue = VMDQ_P(0); + adapter->mac_table[0].state = (IXGBE_MAC_STATE_DEFAULT | + IXGBE_MAC_STATE_IN_USE); + hw->mac.ops.set_rar(hw, 0, adapter->mac_table[0].addr, + adapter->mac_table[0].queue, + IXGBE_RAH_AV); +} + +int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, u8 *addr, u16 queue) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i; + + if (is_zero_ether_addr(addr)) + return -EINVAL; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE) + continue; + adapter->mac_table[i].state |= (IXGBE_MAC_STATE_MODIFIED | + IXGBE_MAC_STATE_IN_USE); + ether_addr_copy(adapter->mac_table[i].addr, addr); + adapter->mac_table[i].queue = queue; + ixgbe_sync_mac_table(adapter); + return i; + } + return -ENOMEM; +} + +int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, u8 *addr, u16 queue) +{ + /* search table for addr, if found, set to 0 and sync */ + int i; + struct ixgbe_hw *hw = &adapter->hw; + + if (is_zero_ether_addr(addr)) + return -EINVAL; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (ether_addr_equal(addr, adapter->mac_table[i].addr) && + adapter->mac_table[i].queue == queue) { + adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED; + adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE; + memset(adapter->mac_table[i].addr, 0, ETH_ALEN); + adapter->mac_table[i].queue = 0; + ixgbe_sync_mac_table(adapter); + return 0; + } + } + return -ENOMEM; +} /** * ixgbe_write_uc_addr_list - write unicast addresses to RAR table * @netdev: network interface device structure @@ -3884,39 +4006,23 @@ static int ixgbe_write_mc_addr_list(struct net_device *netdev) * 0 on no addresses written * X on writing X addresses to the RAR table **/ -static int ixgbe_write_uc_addr_list(struct net_device *netdev) +static int ixgbe_write_uc_addr_list(struct net_device *netdev, int vfn) { struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - unsigned int rar_entries = hw->mac.num_rar_entries - 1; int count = 0; - /* In SR-IOV/VMDQ modes significantly less RAR entries are available */ - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - rar_entries = IXGBE_MAX_PF_MACVLANS - 1; - /* return ENOMEM indicating insufficient memory for addresses */ - if (netdev_uc_count(netdev) > rar_entries) + if (netdev_uc_count(netdev) > ixgbe_available_rars(adapter)) return -ENOMEM; if (!netdev_uc_empty(netdev)) { struct netdev_hw_addr *ha; - /* return error if we do not support writing to RAR table */ - if (!hw->mac.ops.set_rar) - return -ENOMEM; - netdev_for_each_uc_addr(ha, netdev) { - if (!rar_entries) - break; - hw->mac.ops.set_rar(hw, rar_entries--, ha->addr, - VMDQ_P(0), IXGBE_RAH_AV); + ixgbe_del_mac_filter(adapter, ha->addr, vfn); + ixgbe_add_mac_filter(adapter, ha->addr, vfn); count++; } } - /* write the addresses in reverse order to avoid write combining */ - for (; rar_entries > 0 ; rar_entries--) - hw->mac.ops.clear_rar(hw, rar_entries); - return count; } @@ -3975,7 +4081,7 @@ void ixgbe_set_rx_mode(struct net_device *netdev) * sufficient space to store all the addresses then enable * unicast promiscuous mode */ - count = ixgbe_write_uc_addr_list(netdev); + count = ixgbe_write_uc_addr_list(netdev, VMDQ_P(0)); if (count < 0) { fctrl |= IXGBE_FCTRL_UPE; vmolr |= IXGBE_VMOLR_ROPE; @@ -4287,20 +4393,10 @@ static void ixgbe_macvlan_set_rx_mode(struct net_device *dev, unsigned int pool, vmolr |= IXGBE_VMOLR_ROMPE; hw->mac.ops.update_mc_addr_list(hw, dev); } - ixgbe_write_uc_addr_list(adapter->netdev); + ixgbe_write_uc_addr_list(adapter->netdev, pool); IXGBE_WRITE_REG(hw, IXGBE_VMOLR(pool), vmolr); } -static void ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, - u8 *addr, u16 pool) -{ - struct ixgbe_hw *hw = &adapter->hw; - unsigned int entry; - - entry = hw->mac.num_rar_entries - pool; - hw->mac.ops.set_rar(hw, entry, addr, VMDQ_P(pool), IXGBE_RAH_AV); -} - static void ixgbe_fwd_psrtype(struct ixgbe_fwd_adapter *vadapter) { struct ixgbe_adapter *adapter = vadapter->real_adapter; @@ -4780,7 +4876,9 @@ void ixgbe_up(struct ixgbe_adapter *adapter) void ixgbe_reset(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; int err; + u8 old_addr[ETH_ALEN]; if (ixgbe_removed(hw->hw_addr)) return; @@ -4816,9 +4914,10 @@ void ixgbe_reset(struct ixgbe_adapter *adapter) } clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state); - - /* reprogram the RAR[0] in case user changed it. */ - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, VMDQ_P(0), IXGBE_RAH_AV); + /* do not flush user set addresses */ + memcpy(old_addr, &adapter->mac_table[0].addr, netdev->addr_len); + ixgbe_flush_sw_mac_table(adapter); + ixgbe_mac_set_default_filter(adapter, old_addr); /* update SAN MAC vmdq pool selection */ if (hw->mac.san_mac_rar_index) @@ -5064,6 +5163,10 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) #endif /* CONFIG_IXGBE_DCB */ #endif /* IXGBE_FCOE */ + adapter->mac_table = kzalloc(sizeof(struct ixgbe_mac_addr) * + hw->mac.num_rar_entries, + GFP_ATOMIC); + /* Set MAC specific capability flags and exceptions */ switch (hw->mac.type) { case ixgbe_mac_82598EB: @@ -7210,16 +7313,17 @@ static int ixgbe_set_mac(struct net_device *netdev, void *p) struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; struct sockaddr *addr = p; + int ret; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; + ixgbe_del_mac_filter(adapter, hw->mac.addr, VMDQ_P(0)); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, VMDQ_P(0), IXGBE_RAH_AV); - - return 0; + ret = ixgbe_add_mac_filter(adapter, hw->mac.addr, VMDQ_P(0)); + return ret > 0 ? 0 : ret; } static int @@ -8225,6 +8329,8 @@ skip_sriov: goto err_sw_init; } + ixgbe_mac_set_default_filter(adapter, hw->mac.perm_addr); + setup_timer(&adapter->service_timer, &ixgbe_service_timer, (unsigned long) adapter); @@ -8357,6 +8463,7 @@ err_sw_init: ixgbe_disable_sriov(adapter); adapter->flags2 &= ~IXGBE_FLAG2_SEARCH_FOR_SFP; iounmap(adapter->io_addr); + kfree(adapter->mac_table); err_ioremap: free_netdev(netdev); err_alloc_etherdev: @@ -8430,6 +8537,7 @@ static void ixgbe_remove(struct pci_dev *pdev) e_dev_info("complete\n"); + kfree(adapter->mac_table); free_netdev(netdev); pci_disable_pcie_error_reporting(pdev); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 2885cb0..a01417c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -72,8 +72,6 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter) for (i = 0; i < num_vf_macvlans; i++) { mv_list->vf = -1; mv_list->free = true; - mv_list->rar_entry = hw->mac.num_rar_entries - - (i + adapter->num_vfs + 1); list_add(&mv_list->l, &adapter->vf_mvs.l); mv_list++; } @@ -361,21 +359,6 @@ static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, } #ifdef CONFIG_PCI_IOV -static void ixgbe_restore_vf_macvlans(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - struct list_head *pos; - struct vf_macvlans *entry; - - list_for_each(pos, &adapter->vf_mvs.l) { - entry = list_entry(pos, struct vf_macvlans, l); - if (!entry->free) - hw->mac.ops.set_rar(hw, entry->rar_entry, - entry->vf_macvlan, - entry->vf, IXGBE_RAH_AV); - } -} - void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; @@ -405,7 +388,7 @@ void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) } /* Restore any VF macvlans */ - ixgbe_restore_vf_macvlans(adapter); + ixgbe_full_sync_mac_table(adapter); } #endif @@ -525,7 +508,6 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) { struct ixgbe_hw *hw = &adapter->hw; struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; - int rar_entry = hw->mac.num_rar_entries - (vf + 1); u8 num_tcs = netdev_get_num_tc(adapter->netdev); /* add PF assigned VLAN or VLAN 0 */ @@ -555,7 +537,7 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) /* Flush and reset the mta with the new values */ ixgbe_set_rx_mode(adapter->netdev); - hw->mac.ops.clear_rar(hw, rar_entry); + ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); /* reset VF api back to unknown */ adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10; @@ -564,11 +546,9 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, int vf, unsigned char *mac_addr) { - struct ixgbe_hw *hw = &adapter->hw; - int rar_entry = hw->mac.num_rar_entries - (vf + 1); - + ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, ETH_ALEN); - hw->mac.ops.set_rar(hw, rar_entry, mac_addr, vf, IXGBE_RAH_AV); + ixgbe_add_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); return 0; } @@ -576,7 +556,6 @@ static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, int vf, int index, unsigned char *mac_addr) { - struct ixgbe_hw *hw = &adapter->hw; struct list_head *pos; struct vf_macvlans *entry; @@ -587,7 +566,8 @@ static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, entry->vf = -1; entry->free = true; entry->is_macvlan = false; - hw->mac.ops.clear_rar(hw, entry->rar_entry); + ixgbe_del_mac_filter(adapter, + entry->vf_macvlan, vf); } } } @@ -623,7 +603,7 @@ static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, entry->vf = vf; memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); - hw->mac.ops.set_rar(hw, entry->rar_entry, mac_addr, vf, IXGBE_RAH_AV); + ixgbe_add_mac_filter(adapter, mac_addr, vf); return 0; } |
