From 1c3739cb6e7ac5b5372438bf91b3d0404d18ecf9 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 10 Apr 2020 17:28:31 -0700 Subject: [PATCH 01/15] igc: Remove IGC_MAC_STATE_SRC_ADDR flag MAC address filters based on source address are not currently supported by the IGC driver. Despite of that, the driver have some dangling code to handle it, inherited from IGB driver. This patch removes that code to prepare for a follow up patch that adds proper source MAC address filter support. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc.h | 6 ++--- drivers/net/ethernet/intel/igc/igc_ethtool.c | 16 ++---------- drivers/net/ethernet/intel/igc/igc_main.c | 27 ++++++-------------- 3 files changed, 12 insertions(+), 37 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 812e1cd695cf7..885998d3f62eb 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -231,9 +231,8 @@ bool igc_has_link(struct igc_adapter *adapter); void igc_reset(struct igc_adapter *adapter); int igc_set_spd_dplx(struct igc_adapter *adapter, u32 spd, u8 dplx); int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, - const s8 queue, const u8 flags); -int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr, - const u8 flags); + const s8 queue); +int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr); int igc_add_vlan_prio_filter(struct igc_adapter *adapter, int prio, int queue); void igc_del_vlan_prio_filter(struct igc_adapter *adapter, int prio); @@ -479,7 +478,6 @@ struct igc_mac_addr { #define IGC_MAC_STATE_DEFAULT 0x1 #define IGC_MAC_STATE_IN_USE 0x2 -#define IGC_MAC_STATE_SRC_ADDR 0x4 #define IGC_MAX_RXNFC_FILTERS 16 diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index c6586e2be3a83..09d0305a5902f 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1208,15 +1208,7 @@ int igc_add_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { err = igc_add_mac_filter(adapter, input->filter.dst_addr, - input->action, 0); - if (err) - return err; - } - - if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { - err = igc_add_mac_filter(adapter, input->filter.src_addr, - input->action, - IGC_MAC_STATE_SRC_ADDR); + input->action); if (err) return err; } @@ -1246,12 +1238,8 @@ int igc_erase_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) igc_del_vlan_prio_filter(adapter, prio); } - if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) - igc_del_mac_filter(adapter, input->filter.src_addr, - IGC_MAC_STATE_SRC_ADDR); - if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) - igc_del_mac_filter(adapter, input->filter.dst_addr, 0); + igc_del_mac_filter(adapter, input->filter.dst_addr); return 0; } diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 0df5617eb9d09..3242136bb47a3 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -2184,8 +2184,7 @@ static void igc_nfc_filter_restore(struct igc_adapter *adapter) spin_unlock(&adapter->nfc_lock); } -static int igc_find_mac_filter(struct igc_adapter *adapter, const u8 *addr, - u8 flags) +static int igc_find_mac_filter(struct igc_adapter *adapter, const u8 *addr) { int max_entries = adapter->hw.mac.rar_entry_count; struct igc_mac_addr *entry; @@ -2198,9 +2197,6 @@ static int igc_find_mac_filter(struct igc_adapter *adapter, const u8 *addr, continue; if (!ether_addr_equal(addr, entry->addr)) continue; - if ((entry->state & IGC_MAC_STATE_SRC_ADDR) != - (flags & IGC_MAC_STATE_SRC_ADDR)) - continue; return i; } @@ -2231,23 +2227,19 @@ static int igc_get_avail_mac_filter_slot(struct igc_adapter *adapter) * @queue: If non-negative, queue assignment feature is enabled and frames * matching the filter are enqueued onto 'queue'. Otherwise, queue * assignment is disabled. - * @flags: Set IGC_MAC_STATE_SRC_ADDR bit to indicate @address is a source - * address * * Return: 0 in case of success, negative errno code otherwise. */ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, - const s8 queue, const u8 flags) + const s8 queue) { struct net_device *dev = adapter->netdev; int index; if (!is_valid_ether_addr(addr)) return -EINVAL; - if (flags & IGC_MAC_STATE_SRC_ADDR) - return -ENOTSUPP; - index = igc_find_mac_filter(adapter, addr, flags); + index = igc_find_mac_filter(adapter, addr); if (index >= 0) goto update_queue_assignment; @@ -2259,7 +2251,7 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, index, addr, queue); ether_addr_copy(adapter->mac_table[index].addr, addr); - adapter->mac_table[index].state |= IGC_MAC_STATE_IN_USE | flags; + adapter->mac_table[index].state |= IGC_MAC_STATE_IN_USE; update_queue_assignment: adapter->mac_table[index].queue = queue; @@ -2271,13 +2263,10 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, * igc_del_mac_filter() - Delete MAC address filter * @adapter: Pointer to adapter where the filter should be deleted from * @addr: MAC address - * @flags: Set IGC_MAC_STATE_SRC_ADDR bit to indicate @address is a source - * address * * Return: 0 in case of success, negative errno code otherwise. */ -int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr, - const u8 flags) +int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr) { struct net_device *dev = adapter->netdev; struct igc_mac_addr *entry; @@ -2286,7 +2275,7 @@ int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr, if (!is_valid_ether_addr(addr)) return -EINVAL; - index = igc_find_mac_filter(adapter, addr, flags); + index = igc_find_mac_filter(adapter, addr); if (index < 0) return -ENOENT; @@ -2463,14 +2452,14 @@ static int igc_uc_sync(struct net_device *netdev, const unsigned char *addr) { struct igc_adapter *adapter = netdev_priv(netdev); - return igc_add_mac_filter(adapter, addr, -1, 0); + return igc_add_mac_filter(adapter, addr, -1); } static int igc_uc_unsync(struct net_device *netdev, const unsigned char *addr) { struct igc_adapter *adapter = netdev_priv(netdev); - return igc_del_mac_filter(adapter, addr, 0); + return igc_del_mac_filter(adapter, addr); } /** From d66358cae25efbd35518d661991fce67af2945e7 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 10 Apr 2020 17:28:32 -0700 Subject: [PATCH 02/15] igc: Remove mac_table from igc_adapter In igc_adapter we keep a sort of shadow copy of RAL and RAH registers. There is not much benefit in keeping it, at the cost of maintainability, since adding/removing MAC address filters is not hot path, and we already keep filters information in adapter->nfc_filter_list for cleanup and restoration purposes. So in order to simplify the MAC address filtering code and prepare it for source address support, this patch removes the mac_table from igc_adapter. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc.h | 11 ---- drivers/net/ethernet/intel/igc/igc_defines.h | 1 + drivers/net/ethernet/intel/igc/igc_main.c | 57 +++++++------------- 3 files changed, 21 insertions(+), 48 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 885998d3f62eb..5ce859155396e 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -190,8 +190,6 @@ struct igc_adapter { /* lock for RX network flow classification filter */ spinlock_t nfc_lock; - struct igc_mac_addr *mac_table; - u8 rss_indir_tbl[IGC_RETA_SIZE]; unsigned long link_check_timeout; @@ -470,15 +468,6 @@ struct igc_nfc_filter { u16 action; }; -struct igc_mac_addr { - u8 addr[ETH_ALEN]; - s8 queue; - u8 state; /* bitmask */ -}; - -#define IGC_MAC_STATE_DEFAULT 0x1 -#define IGC_MAC_STATE_IN_USE 0x2 - #define IGC_MAX_RXNFC_FILTERS 16 /* igc_desc_unused - calculate if we have unused descriptors */ diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 51d8a15e239c1..be152a93088a5 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -62,6 +62,7 @@ * (RAR[15]) for our directed address used by controllers with * manageability enabled, allowing us room for 15 multicast addresses. */ +#define IGC_RAH_RAH_MASK 0x0000FFFF #define IGC_RAH_QSEL_MASK 0x000C0000 #define IGC_RAH_QSEL_SHIFT 18 #define IGC_RAH_QSEL_ENABLE BIT(28) diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 3242136bb47a3..af3092813a06d 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -820,17 +820,12 @@ static void igc_clear_mac_filter_hw(struct igc_adapter *adapter, int index) /* Set default MAC address for the PF in the first RAR entry */ static void igc_set_default_mac_filter(struct igc_adapter *adapter) { - struct igc_mac_addr *mac_table = &adapter->mac_table[0]; struct net_device *dev = adapter->netdev; u8 *addr = adapter->hw.mac.addr; netdev_dbg(dev, "Set default MAC address filter: address %pM", addr); - ether_addr_copy(mac_table->addr, addr); - mac_table->state = IGC_MAC_STATE_DEFAULT | IGC_MAC_STATE_IN_USE; - mac_table->queue = -1; - - igc_set_mac_filter_hw(adapter, 0, addr, mac_table->queue); + igc_set_mac_filter_hw(adapter, 0, addr, -1); } /** @@ -2186,16 +2181,21 @@ static void igc_nfc_filter_restore(struct igc_adapter *adapter) static int igc_find_mac_filter(struct igc_adapter *adapter, const u8 *addr) { - int max_entries = adapter->hw.mac.rar_entry_count; - struct igc_mac_addr *entry; + struct igc_hw *hw = &adapter->hw; + int max_entries = hw->mac.rar_entry_count; + u32 ral, rah; int i; for (i = 0; i < max_entries; i++) { - entry = &adapter->mac_table[i]; + ral = rd32(IGC_RAL(i)); + rah = rd32(IGC_RAH(i)); - if (!(entry->state & IGC_MAC_STATE_IN_USE)) + if (!(rah & IGC_RAH_AV)) continue; - if (!ether_addr_equal(addr, entry->addr)) + if ((rah & IGC_RAH_RAH_MASK) != + le16_to_cpup((__le16 *)(addr + 4))) + continue; + if (ral != le32_to_cpup((__le32 *)(addr))) continue; return i; @@ -2206,14 +2206,15 @@ static int igc_find_mac_filter(struct igc_adapter *adapter, const u8 *addr) static int igc_get_avail_mac_filter_slot(struct igc_adapter *adapter) { - int max_entries = adapter->hw.mac.rar_entry_count; - struct igc_mac_addr *entry; + struct igc_hw *hw = &adapter->hw; + int max_entries = hw->mac.rar_entry_count; + u32 rah; int i; for (i = 0; i < max_entries; i++) { - entry = &adapter->mac_table[i]; + rah = rd32(IGC_RAH(i)); - if (!(entry->state & IGC_MAC_STATE_IN_USE)) + if (!(rah & IGC_RAH_AV)) return i; } @@ -2241,7 +2242,7 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, index = igc_find_mac_filter(adapter, addr); if (index >= 0) - goto update_queue_assignment; + goto update_filter; index = igc_get_avail_mac_filter_slot(adapter); if (index < 0) @@ -2250,11 +2251,7 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, netdev_dbg(dev, "Add MAC address filter: index %d address %pM queue %d", index, addr, queue); - ether_addr_copy(adapter->mac_table[index].addr, addr); - adapter->mac_table[index].state |= IGC_MAC_STATE_IN_USE; -update_queue_assignment: - adapter->mac_table[index].queue = queue; - +update_filter: igc_set_mac_filter_hw(adapter, index, addr, queue); return 0; } @@ -2269,7 +2266,6 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr) { struct net_device *dev = adapter->netdev; - struct igc_mac_addr *entry; int index; if (!is_valid_ether_addr(addr)) @@ -2279,24 +2275,18 @@ int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr) if (index < 0) return -ENOENT; - entry = &adapter->mac_table[index]; - - if (entry->state & IGC_MAC_STATE_DEFAULT) { + if (index == 0) { /* If this is the default filter, we don't actually delete it. * We just reset to its default value i.e. disable queue * assignment. */ netdev_dbg(dev, "Disable default MAC filter queue assignment"); - entry->queue = -1; - igc_set_mac_filter_hw(adapter, 0, addr, entry->queue); + igc_set_mac_filter_hw(adapter, 0, addr, -1); } else { netdev_dbg(dev, "Delete MAC address filter: index %d address %pM", index, addr); - entry->state = 0; - entry->queue = -1; - memset(entry->addr, 0, ETH_ALEN); igc_clear_mac_filter_hw(adapter, index); } @@ -3404,8 +3394,6 @@ static int igc_sw_init(struct igc_adapter *adapter) struct pci_dev *pdev = adapter->pdev; struct igc_hw *hw = &adapter->hw; - int size = sizeof(struct igc_mac_addr) * hw->mac.rar_entry_count; - pci_read_config_word(pdev, PCI_COMMAND, &hw->bus.pci_cmd_word); /* set default ring sizes */ @@ -3429,10 +3417,6 @@ static int igc_sw_init(struct igc_adapter *adapter) /* Assume MSI-X interrupts, will be checked during IRQ allocation */ adapter->flags |= IGC_FLAG_HAS_MSIX; - adapter->mac_table = kzalloc(size, GFP_ATOMIC); - if (!adapter->mac_table) - return -ENOMEM; - igc_init_queue_configuration(adapter); /* This call may decrease the number of queues */ @@ -5135,7 +5119,6 @@ static void igc_remove(struct pci_dev *pdev) pci_iounmap(pdev, adapter->io_addr); pci_release_mem_regions(pdev); - kfree(adapter->mac_table); free_netdev(netdev); pci_disable_pcie_error_reporting(pdev); From 750433d0aa097265432a2b30a8a984604bd76e7f Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 10 Apr 2020 17:28:33 -0700 Subject: [PATCH 03/15] igc: Add support for source address filters in core This patch extends MAC address filter internal APIs igc_add_mac_filter() and igc_del_mac_filter(), as well as local helpers, to support filters based on source address. A new parameters 'type' is added to the APIs to indicate if the filter type is source or destination. In case it is source type, the RAH register is configured accordingly in igc_set_mac_filter_hw(). Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc.h | 13 ++++-- drivers/net/ethernet/intel/igc/igc_defines.h | 2 + drivers/net/ethernet/intel/igc/igc_ethtool.c | 6 ++- drivers/net/ethernet/intel/igc/igc_main.c | 49 +++++++++++++------- 4 files changed, 49 insertions(+), 21 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 5ce859155396e..b501be2435360 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -29,6 +29,11 @@ void igc_set_ethtool_ops(struct net_device *); #define MAX_ETYPE_FILTER 8 #define IGC_RETA_SIZE 128 +enum igc_mac_filter_type { + IGC_MAC_FILTER_TYPE_DST = 0, + IGC_MAC_FILTER_TYPE_SRC +}; + struct igc_tx_queue_stats { u64 packets; u64 bytes; @@ -228,9 +233,11 @@ void igc_write_rss_indir_tbl(struct igc_adapter *adapter); bool igc_has_link(struct igc_adapter *adapter); void igc_reset(struct igc_adapter *adapter); int igc_set_spd_dplx(struct igc_adapter *adapter, u32 spd, u8 dplx); -int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, - const s8 queue); -int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr); +int igc_add_mac_filter(struct igc_adapter *adapter, + enum igc_mac_filter_type type, const u8 *addr, + int queue); +int igc_del_mac_filter(struct igc_adapter *adapter, + enum igc_mac_filter_type type, const u8 *addr); int igc_add_vlan_prio_filter(struct igc_adapter *adapter, int prio, int queue); void igc_del_vlan_prio_filter(struct igc_adapter *adapter, int prio); diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index be152a93088a5..45b567587ca92 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -63,6 +63,8 @@ * manageability enabled, allowing us room for 15 multicast addresses. */ #define IGC_RAH_RAH_MASK 0x0000FFFF +#define IGC_RAH_ASEL_MASK 0x00030000 +#define IGC_RAH_ASEL_SRC_ADDR BIT(16) #define IGC_RAH_QSEL_MASK 0x000C0000 #define IGC_RAH_QSEL_SHIFT 18 #define IGC_RAH_QSEL_ENABLE BIT(28) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 09d0305a5902f..6c27046a852df 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1207,7 +1207,8 @@ int igc_add_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) } if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { - err = igc_add_mac_filter(adapter, input->filter.dst_addr, + err = igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, + input->filter.dst_addr, input->action); if (err) return err; @@ -1239,7 +1240,8 @@ int igc_erase_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) } if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) - igc_del_mac_filter(adapter, input->filter.dst_addr); + igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, + input->filter.dst_addr); return 0; } diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index af3092813a06d..398a9307af2bd 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -766,12 +766,14 @@ static void igc_setup_tctl(struct igc_adapter *adapter) * igc_set_mac_filter_hw() - Set MAC address filter in hardware * @adapter: Pointer to adapter where the filter should be set * @index: Filter index - * @addr: Destination MAC address + * @type: MAC address filter type (source or destination) + * @addr: MAC address * @queue: If non-negative, queue assignment feature is enabled and frames * matching the filter are enqueued onto 'queue'. Otherwise, queue * assignment is disabled. */ static void igc_set_mac_filter_hw(struct igc_adapter *adapter, int index, + enum igc_mac_filter_type type, const u8 *addr, int queue) { struct net_device *dev = adapter->netdev; @@ -784,6 +786,11 @@ static void igc_set_mac_filter_hw(struct igc_adapter *adapter, int index, ral = le32_to_cpup((__le32 *)(addr)); rah = le16_to_cpup((__le16 *)(addr + 4)); + if (type == IGC_MAC_FILTER_TYPE_SRC) { + rah &= ~IGC_RAH_ASEL_MASK; + rah |= IGC_RAH_ASEL_SRC_ADDR; + } + if (queue >= 0) { rah &= ~IGC_RAH_QSEL_MASK; rah |= (queue << IGC_RAH_QSEL_SHIFT); @@ -825,7 +832,7 @@ static void igc_set_default_mac_filter(struct igc_adapter *adapter) netdev_dbg(dev, "Set default MAC address filter: address %pM", addr); - igc_set_mac_filter_hw(adapter, 0, addr, -1); + igc_set_mac_filter_hw(adapter, 0, IGC_MAC_FILTER_TYPE_DST, addr, -1); } /** @@ -2179,7 +2186,8 @@ static void igc_nfc_filter_restore(struct igc_adapter *adapter) spin_unlock(&adapter->nfc_lock); } -static int igc_find_mac_filter(struct igc_adapter *adapter, const u8 *addr) +static int igc_find_mac_filter(struct igc_adapter *adapter, + enum igc_mac_filter_type type, const u8 *addr) { struct igc_hw *hw = &adapter->hw; int max_entries = hw->mac.rar_entry_count; @@ -2192,6 +2200,8 @@ static int igc_find_mac_filter(struct igc_adapter *adapter, const u8 *addr) if (!(rah & IGC_RAH_AV)) continue; + if (!!(rah & IGC_RAH_ASEL_SRC_ADDR) != type) + continue; if ((rah & IGC_RAH_RAH_MASK) != le16_to_cpup((__le16 *)(addr + 4))) continue; @@ -2224,6 +2234,7 @@ static int igc_get_avail_mac_filter_slot(struct igc_adapter *adapter) /** * igc_add_mac_filter() - Add MAC address filter * @adapter: Pointer to adapter where the filter should be added + * @type: MAC address filter type (source or destination) * @addr: MAC address * @queue: If non-negative, queue assignment feature is enabled and frames * matching the filter are enqueued onto 'queue'. Otherwise, queue @@ -2231,8 +2242,9 @@ static int igc_get_avail_mac_filter_slot(struct igc_adapter *adapter) * * Return: 0 in case of success, negative errno code otherwise. */ -int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, - const s8 queue) +int igc_add_mac_filter(struct igc_adapter *adapter, + enum igc_mac_filter_type type, const u8 *addr, + int queue) { struct net_device *dev = adapter->netdev; int index; @@ -2240,7 +2252,7 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, if (!is_valid_ether_addr(addr)) return -EINVAL; - index = igc_find_mac_filter(adapter, addr); + index = igc_find_mac_filter(adapter, type, addr); if (index >= 0) goto update_filter; @@ -2248,22 +2260,25 @@ int igc_add_mac_filter(struct igc_adapter *adapter, const u8 *addr, if (index < 0) return -ENOSPC; - netdev_dbg(dev, "Add MAC address filter: index %d address %pM queue %d", - index, addr, queue); + netdev_dbg(dev, "Add MAC address filter: index %d type %s address %pM queue %d\n", + index, type == IGC_MAC_FILTER_TYPE_DST ? "dst" : "src", + addr, queue); update_filter: - igc_set_mac_filter_hw(adapter, index, addr, queue); + igc_set_mac_filter_hw(adapter, index, type, addr, queue); return 0; } /** * igc_del_mac_filter() - Delete MAC address filter * @adapter: Pointer to adapter where the filter should be deleted from + * @type: MAC address filter type (source or destination) * @addr: MAC address * * Return: 0 in case of success, negative errno code otherwise. */ -int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr) +int igc_del_mac_filter(struct igc_adapter *adapter, + enum igc_mac_filter_type type, const u8 *addr) { struct net_device *dev = adapter->netdev; int index; @@ -2271,7 +2286,7 @@ int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr) if (!is_valid_ether_addr(addr)) return -EINVAL; - index = igc_find_mac_filter(adapter, addr); + index = igc_find_mac_filter(adapter, type, addr); if (index < 0) return -ENOENT; @@ -2282,10 +2297,12 @@ int igc_del_mac_filter(struct igc_adapter *adapter, const u8 *addr) */ netdev_dbg(dev, "Disable default MAC filter queue assignment"); - igc_set_mac_filter_hw(adapter, 0, addr, -1); + igc_set_mac_filter_hw(adapter, 0, type, addr, -1); } else { - netdev_dbg(dev, "Delete MAC address filter: index %d address %pM", - index, addr); + netdev_dbg(dev, "Delete MAC address filter: index %d type %s address %pM\n", + index, + type == IGC_MAC_FILTER_TYPE_DST ? "dst" : "src", + addr); igc_clear_mac_filter_hw(adapter, index); } @@ -2442,14 +2459,14 @@ static int igc_uc_sync(struct net_device *netdev, const unsigned char *addr) { struct igc_adapter *adapter = netdev_priv(netdev); - return igc_add_mac_filter(adapter, addr, -1); + return igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, addr, -1); } static int igc_uc_unsync(struct net_device *netdev, const unsigned char *addr) { struct igc_adapter *adapter = netdev_priv(netdev); - return igc_del_mac_filter(adapter, addr); + return igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, addr); } /** From 8eb2449d839079f979eded636dabcd6b815ff28f Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Mon, 13 Apr 2020 09:00:50 -0700 Subject: [PATCH 04/15] igc: Enable NFC rules based source MAC address This patch adds support for Network Flow Classification (NFC) rules based on source MAC address. Note that the controller doesn't support rules with both source and destination addresses set, so this special case is checked in igc_add_ethtool_nfc_entry(). Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 32 ++++++++++++++------ 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 6c27046a852df..42ecb493c1a24 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1188,16 +1188,8 @@ static int igc_set_rss_hash_opt(struct igc_adapter *adapter, int igc_add_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) { - struct igc_hw *hw = &adapter->hw; int err = -EINVAL; - if (hw->mac.type == igc_i225 && - !(input->filter.match_flags & ~IGC_FILTER_FLAG_SRC_MAC_ADDR)) { - netdev_err(adapter->netdev, - "i225 doesn't support flow classification rules specifying only source addresses\n"); - return -EOPNOTSUPP; - } - if (input->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { u16 etype = ntohs(input->filter.etype); @@ -1206,6 +1198,14 @@ int igc_add_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) return err; } + if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { + err = igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_SRC, + input->filter.src_addr, + input->action); + if (err) + return err; + } + if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { err = igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, input->filter.dst_addr, @@ -1239,6 +1239,10 @@ int igc_erase_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) igc_del_vlan_prio_filter(adapter, prio); } + if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) + igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_SRC, + input->filter.src_addr); + if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, input->filter.dst_addr); @@ -1334,20 +1338,28 @@ static int igc_add_ethtool_nfc_entry(struct igc_adapter *adapter, input->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE; } - /* Only support matching addresses by the full mask */ + /* Both source and destination address filters only support the full + * mask. + */ if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) { input->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR; ether_addr_copy(input->filter.src_addr, fsp->h_u.ether_spec.h_source); } - /* Only support matching addresses by the full mask */ if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) { input->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR; ether_addr_copy(input->filter.dst_addr, fsp->h_u.ether_spec.h_dest); } + if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR && + input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { + netdev_dbg(netdev, "Filters with both dst and src are not supported\n"); + err = -EOPNOTSUPP; + goto err_out; + } + if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) { if (fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) { netdev_dbg(netdev, "VLAN mask not supported\n"); From 49ee3c2ab5234757bfb56a0b3a3cb422f427e3a3 Mon Sep 17 00:00:00 2001 From: Alexander Duyck Date: Fri, 17 Apr 2020 09:35:31 -0700 Subject: [PATCH 05/15] e1000: Do not perform reset in reset_task if we are already down We are seeing a deadlock in e1000 down when NAPI is being disabled. Looking over the kernel function trace of the system it appears that the interface is being closed and then a reset is hitting which deadlocks the interface as the NAPI interface is already disabled. To prevent this from happening I am disabling the reset task when __E1000_DOWN is already set. In addition code has been added so that we set the __E1000_DOWN while holding the __E1000_RESET flag in e1000_close in order to guarantee that the reset task will not run after we have started the close call. Signed-off-by: Alexander Duyck Tested-by: Maxim Zhukov Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000/e1000_main.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 05bc6e216bca2..d9fa4600f7455 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -542,8 +542,13 @@ void e1000_reinit_locked(struct e1000_adapter *adapter) WARN_ON(in_interrupt()); while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) msleep(1); - e1000_down(adapter); - e1000_up(adapter); + + /* only run the task if not already down */ + if (!test_bit(__E1000_DOWN, &adapter->flags)) { + e1000_down(adapter); + e1000_up(adapter); + } + clear_bit(__E1000_RESETTING, &adapter->flags); } @@ -1433,10 +1438,15 @@ int e1000_close(struct net_device *netdev) struct e1000_hw *hw = &adapter->hw; int count = E1000_CHECK_RESET_COUNT; - while (test_bit(__E1000_RESETTING, &adapter->flags) && count--) + while (test_and_set_bit(__E1000_RESETTING, &adapter->flags) && count--) usleep_range(10000, 20000); - WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags)); + WARN_ON(count < 0); + + /* signal that we're down so that the reset task will no longer run */ + set_bit(__E1000_DOWN, &adapter->flags); + clear_bit(__E1000_RESETTING, &adapter->flags); + e1000_down(adapter); e1000_power_down_phy(adapter); e1000_free_irq(adapter); From 3b5fc88f78ea5bc6d2da06c6acff8fe6ba0e7e40 Mon Sep 17 00:00:00 2001 From: Sasha Neftin Date: Mon, 20 Apr 2020 14:38:53 +0300 Subject: [PATCH 06/15] igc: Remove obsolete circuit breaker registers Part of circuit breaker registers is obsolete and not applicable for i225 device. This patch comes to clean up these registers. Signed-off-by: Sasha Neftin Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc_mac.c | 4 ---- drivers/net/ethernet/intel/igc/igc_regs.h | 7 ------- 2 files changed, 11 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c b/drivers/net/ethernet/intel/igc/igc_mac.c index 12aa6b5fcb5d9..89445ab02a986 100644 --- a/drivers/net/ethernet/intel/igc/igc_mac.c +++ b/drivers/net/ethernet/intel/igc/igc_mac.c @@ -307,12 +307,8 @@ void igc_clear_hw_cntrs_base(struct igc_hw *hw) rd32(IGC_ICTXQMTC); rd32(IGC_ICRXDMTC); - rd32(IGC_CBTMPC); - rd32(IGC_HTDPMC); - rd32(IGC_CBRMPC); rd32(IGC_RPTHC); rd32(IGC_HGPTC); - rd32(IGC_HTCBDPC); rd32(IGC_HGORCL); rd32(IGC_HGORCH); rd32(IGC_HGOTCL); diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index 61db951f0947b..f2654f379d889 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -68,13 +68,6 @@ #define IGC_ICRXDMTC 0x04120 /* Rx Descriptor Min Threshold Count */ #define IGC_ICRXOC 0x04124 /* Receiver Overrun Count */ -#define IGC_CBTMPC 0x0402C /* Circuit Breaker TX Packet Count */ -#define IGC_HTDPMC 0x0403C /* Host Transmit Discarded Packets */ -#define IGC_CBRMPC 0x040FC /* Circuit Breaker RX Packet Count */ -#define IGC_RPTHC 0x04104 /* Rx Packets To Host */ -#define IGC_HGPTC 0x04118 /* Host Good Packets TX Count */ -#define IGC_HTCBDPC 0x04124 /* Host TX Circ.Breaker Drop Count */ - /* MSI-X Table Register Descriptions */ #define IGC_PBACL 0x05B68 /* MSIx PBA Clear - R/W 1 to clear */ From d1fe569f517e8ee402f5faac28e65c3a72790d0e Mon Sep 17 00:00:00 2001 From: Sasha Neftin Date: Wed, 22 Apr 2020 11:41:55 +0300 Subject: [PATCH 07/15] igc: Remove header redirection register Header redirection missed packet counter not applicable for i225 device. This patch comes to clean up this register. Signed-off-by: Sasha Neftin Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc_regs.h | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index f2654f379d889..79bd104363ed0 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -199,7 +199,6 @@ #define IGC_HGOTCL 0x04130 /* Host Good Octets Transmit Count Low */ #define IGC_HGOTCH 0x04134 /* Host Good Octets Transmit Count High */ #define IGC_LENERRS 0x04138 /* Length Errors Count */ -#define IGC_HRMPC 0x0A018 /* Header Redirection Missed Packet Count */ /* Time sync registers */ #define IGC_TSICR 0x0B66C /* Time Sync Interrupt Cause */ From 281380a6fd8a202635c484c5ac978c468c006cbd Mon Sep 17 00:00:00 2001 From: Sasha Neftin Date: Wed, 22 Apr 2020 13:46:47 +0300 Subject: [PATCH 08/15] igc: Remove per queue good transmited counter register Per queue good transmitted packet counter not applicable for i225 device. This patch comes to clean up this register. Signed-off-by: Sasha Neftin Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc_regs.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h index 79bd104363ed0..7f999cfc9b392 100644 --- a/drivers/net/ethernet/intel/igc/igc_regs.h +++ b/drivers/net/ethernet/intel/igc/igc_regs.h @@ -124,9 +124,6 @@ #define IGC_MMDAC 13 /* MMD Access Control */ #define IGC_MMDAAD 14 /* MMD Access Address/Data */ -/* Good transmitted packets counter registers */ -#define IGC_PQGPTC(_n) (0x010014 + (0x100 * (_n))) - /* Statistics Register Descriptions */ #define IGC_CRCERRS 0x04000 /* CRC Error Count - R/clr */ #define IGC_ALGNERRC 0x04004 /* Alignment Error Count - R/clr */ From 8e34cad1677a45211d5112ea2bab770656139d20 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 24 Apr 2020 13:16:05 -0700 Subject: [PATCH 09/15] igc: Remove unused field from igc_nfc_filter The 'cookie' field is not used anywhere in the code so this patch removes it from struct igc_nfc_filter. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc.h | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index b501be2435360..7c92fc7703bee 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -470,7 +470,6 @@ struct igc_nfc_input { struct igc_nfc_filter { struct hlist_node nfc_node; struct igc_nfc_input filter; - unsigned long cookie; u16 sw_idx; u16 action; }; From 4d0710c241dddf0db62b4be533347d3acd9e8c96 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 24 Apr 2020 13:16:06 -0700 Subject: [PATCH 10/15] igc: Get rid of igc_max_channels() The local function igc_max_channels() is a pointless wrapper around igc_get_max_rss_queues(). This patch removes it and updates the callers accordingly. It also does some cleanup on igc_get_max_rss_queues(). Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 9 ++------- drivers/net/ethernet/intel/igc/igc_main.c | 7 +------ 2 files changed, 3 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 42ecb493c1a24..9081f36ee1f79 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1508,18 +1508,13 @@ static int igc_set_rxfh(struct net_device *netdev, const u32 *indir, return 0; } -static unsigned int igc_max_channels(struct igc_adapter *adapter) -{ - return igc_get_max_rss_queues(adapter); -} - static void igc_get_channels(struct net_device *netdev, struct ethtool_channels *ch) { struct igc_adapter *adapter = netdev_priv(netdev); /* Report maximum channels */ - ch->max_combined = igc_max_channels(adapter); + ch->max_combined = igc_get_max_rss_queues(adapter); /* Report info for other vector */ if (adapter->flags & IGC_FLAG_HAS_MSIX) { @@ -1546,7 +1541,7 @@ static int igc_set_channels(struct net_device *netdev, return -EINVAL; /* Verify the number of channels doesn't exceed hw limits */ - max_combined = igc_max_channels(adapter); + max_combined = igc_get_max_rss_queues(adapter); if (count > max_combined) return -EINVAL; diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 398a9307af2bd..843e8a2aaf24d 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -2731,12 +2731,7 @@ void igc_set_flag_queue_pairs(struct igc_adapter *adapter, unsigned int igc_get_max_rss_queues(struct igc_adapter *adapter) { - unsigned int max_rss_queues; - - /* Determine the maximum number of RSS queues supported. */ - max_rss_queues = IGC_MAX_RX_QUEUES; - - return max_rss_queues; + return IGC_MAX_RX_QUEUES; } static void igc_init_queue_configuration(struct igc_adapter *adapter) From 8b9c23cdf04f927d591f3fbc3b846d941557e886 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 24 Apr 2020 13:16:07 -0700 Subject: [PATCH 11/15] igc: Cleanup _get|set_rxnfc ethtool ops This patch does a trivial change in igc_ethtool_get_rxnfc() and igc_ethtool_set_rxnfc() to simplify their logic. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 33 ++++++-------------- 1 file changed, 10 insertions(+), 23 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 9081f36ee1f79..37fb5f0544ade 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1055,31 +1055,23 @@ static int igc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, u32 *rule_locs) { struct igc_adapter *adapter = netdev_priv(dev); - int ret = -EOPNOTSUPP; switch (cmd->cmd) { case ETHTOOL_GRXRINGS: cmd->data = adapter->num_rx_queues; - ret = 0; - break; + return 0; case ETHTOOL_GRXCLSRLCNT: cmd->rule_cnt = adapter->nfc_filter_count; - ret = 0; - break; + return 0; case ETHTOOL_GRXCLSRULE: - ret = igc_get_ethtool_nfc_entry(adapter, cmd); - break; + return igc_get_ethtool_nfc_entry(adapter, cmd); case ETHTOOL_GRXCLSRLALL: - ret = igc_get_ethtool_nfc_all(adapter, cmd, rule_locs); - break; + return igc_get_ethtool_nfc_all(adapter, cmd, rule_locs); case ETHTOOL_GRXFH: - ret = igc_get_rss_hash_opts(adapter, cmd); - break; + return igc_get_rss_hash_opts(adapter, cmd); default: - break; + return -EOPNOTSUPP; } - - return ret; } #define UDP_RSS_FLAGS (IGC_FLAG_RSS_FIELD_IPV4_UDP | \ @@ -1418,22 +1410,17 @@ static int igc_del_ethtool_nfc_entry(struct igc_adapter *adapter, static int igc_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) { struct igc_adapter *adapter = netdev_priv(dev); - int ret = -EOPNOTSUPP; switch (cmd->cmd) { case ETHTOOL_SRXFH: - ret = igc_set_rss_hash_opt(adapter, cmd); - break; + return igc_set_rss_hash_opt(adapter, cmd); case ETHTOOL_SRXCLSRLINS: - ret = igc_add_ethtool_nfc_entry(adapter, cmd); - break; + return igc_add_ethtool_nfc_entry(adapter, cmd); case ETHTOOL_SRXCLSRLDEL: - ret = igc_del_ethtool_nfc_entry(adapter, cmd); + return igc_del_ethtool_nfc_entry(adapter, cmd); default: - break; + return -EOPNOTSUPP; } - - return ret; } void igc_write_rss_indir_tbl(struct igc_adapter *adapter) From 876ea04db7675391baa8011795188e55d154aa4e Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 24 Apr 2020 13:16:08 -0700 Subject: [PATCH 12/15] igc: Early return in igc_get_ethtool_nfc_entry() This patch re-writes the second half of igc_ethtool_get_nfc_entry() to follow the 'return early' pattern seen in other parts of the driver and removes some duplicate comments. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc_ethtool.c | 58 ++++++++++---------- 1 file changed, 28 insertions(+), 30 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 37fb5f0544ade..f03093d1f8639 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -945,38 +945,36 @@ static int igc_get_ethtool_nfc_entry(struct igc_adapter *adapter, if (!rule || fsp->location != rule->sw_idx) return -EINVAL; - if (rule->filter.match_flags) { - fsp->flow_type = ETHER_FLOW; - fsp->ring_cookie = rule->action; - if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { - fsp->h_u.ether_spec.h_proto = rule->filter.etype; - fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK; - } - if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { - fsp->flow_type |= FLOW_EXT; - fsp->h_ext.vlan_tci = rule->filter.vlan_tci; - fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK); - } - if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { - ether_addr_copy(fsp->h_u.ether_spec.h_dest, - rule->filter.dst_addr); - /* As we only support matching by the full - * mask, return the mask to userspace - */ - eth_broadcast_addr(fsp->m_u.ether_spec.h_dest); - } - if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { - ether_addr_copy(fsp->h_u.ether_spec.h_source, - rule->filter.src_addr); - /* As we only support matching by the full - * mask, return the mask to userspace - */ - eth_broadcast_addr(fsp->m_u.ether_spec.h_source); - } + if (!rule->filter.match_flags) + return -EINVAL; - return 0; + fsp->flow_type = ETHER_FLOW; + fsp->ring_cookie = rule->action; + + if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { + fsp->h_u.ether_spec.h_proto = rule->filter.etype; + fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK; } - return -EINVAL; + + if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { + fsp->flow_type |= FLOW_EXT; + fsp->h_ext.vlan_tci = rule->filter.vlan_tci; + fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK); + } + + if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { + ether_addr_copy(fsp->h_u.ether_spec.h_dest, + rule->filter.dst_addr); + eth_broadcast_addr(fsp->m_u.ether_spec.h_dest); + } + + if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { + ether_addr_copy(fsp->h_u.ether_spec.h_source, + rule->filter.src_addr); + eth_broadcast_addr(fsp->m_u.ether_spec.h_source); + } + + return 0; } static int igc_get_ethtool_nfc_all(struct igc_adapter *adapter, From 7df76bd1918188c80ee0bb2e849756d07ce71507 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 24 Apr 2020 13:16:09 -0700 Subject: [PATCH 13/15] igc: Add 'igc_ethtool_' prefix to functions in igc_ethtool.c This patch adds the prefix 'igc_ethtool_' to all functions defined in igc_ethtool.c so they align with the name convention already followed by other parts of the driver (e.g. igc_tsn, igc_ptp). Also, this avoids some name clashing with functions added to igc_main.c by upcoming patches in this series. No functionality is changed by this patch, just function renaming. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc.h | 3 +- drivers/net/ethernet/intel/igc/igc_ethtool.c | 215 ++++++++++--------- drivers/net/ethernet/intel/igc/igc_main.c | 2 +- 3 files changed, 112 insertions(+), 108 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 7c92fc7703bee..359ac40908f65 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -16,8 +16,7 @@ #include "igc_hw.h" -/* forward declaration */ -void igc_set_ethtool_ops(struct net_device *); +void igc_ethtool_set_ops(struct net_device *); /* Transmit and receive queues */ #define IGC_MAX_RX_QUEUES 4 diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index f03093d1f8639..0399ca1d7d0cf 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -124,8 +124,8 @@ static const char igc_priv_flags_strings[][ETH_GSTRING_LEN] = { #define IGC_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igc_priv_flags_strings) -static void igc_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) +static void igc_ethtool_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -139,13 +139,13 @@ static void igc_get_drvinfo(struct net_device *netdev, drvinfo->n_priv_flags = IGC_PRIV_FLAGS_STR_LEN; } -static int igc_get_regs_len(struct net_device *netdev) +static int igc_ethtool_get_regs_len(struct net_device *netdev) { return IGC_REGS_LEN * sizeof(u32); } -static void igc_get_regs(struct net_device *netdev, - struct ethtool_regs *regs, void *p) +static void igc_ethtool_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_hw *hw = &adapter->hw; @@ -323,7 +323,8 @@ static void igc_get_regs(struct net_device *netdev, regs_buff[205 + i] = rd32(IGC_ETQF(i)); } -static void igc_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +static void igc_ethtool_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -354,7 +355,8 @@ static void igc_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) wol->wolopts |= WAKE_PHY; } -static int igc_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +static int igc_ethtool_set_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -382,21 +384,21 @@ static int igc_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) return 0; } -static u32 igc_get_msglevel(struct net_device *netdev) +static u32 igc_ethtool_get_msglevel(struct net_device *netdev) { struct igc_adapter *adapter = netdev_priv(netdev); return adapter->msg_enable; } -static void igc_set_msglevel(struct net_device *netdev, u32 data) +static void igc_ethtool_set_msglevel(struct net_device *netdev, u32 data) { struct igc_adapter *adapter = netdev_priv(netdev); adapter->msg_enable = data; } -static int igc_nway_reset(struct net_device *netdev) +static int igc_ethtool_nway_reset(struct net_device *netdev) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -405,7 +407,7 @@ static int igc_nway_reset(struct net_device *netdev) return 0; } -static u32 igc_get_link(struct net_device *netdev) +static u32 igc_ethtool_get_link(struct net_device *netdev) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_mac_info *mac = &adapter->hw.mac; @@ -422,15 +424,15 @@ static u32 igc_get_link(struct net_device *netdev) return igc_has_link(adapter); } -static int igc_get_eeprom_len(struct net_device *netdev) +static int igc_ethtool_get_eeprom_len(struct net_device *netdev) { struct igc_adapter *adapter = netdev_priv(netdev); return adapter->hw.nvm.word_size * 2; } -static int igc_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) +static int igc_ethtool_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_hw *hw = &adapter->hw; @@ -476,8 +478,8 @@ static int igc_get_eeprom(struct net_device *netdev, return ret_val; } -static int igc_set_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) +static int igc_ethtool_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_hw *hw = &adapter->hw; @@ -544,8 +546,8 @@ static int igc_set_eeprom(struct net_device *netdev, return ret_val; } -static void igc_get_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) +static void igc_ethtool_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -555,8 +557,8 @@ static void igc_get_ringparam(struct net_device *netdev, ring->tx_pending = adapter->tx_ring_count; } -static int igc_set_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) +static int igc_ethtool_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_ring *temp_ring; @@ -670,8 +672,8 @@ static int igc_set_ringparam(struct net_device *netdev, return err; } -static void igc_get_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pause) +static void igc_ethtool_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_hw *hw = &adapter->hw; @@ -689,8 +691,8 @@ static void igc_get_pauseparam(struct net_device *netdev, } } -static int igc_set_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *pause) +static int igc_ethtool_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_hw *hw = &adapter->hw; @@ -729,7 +731,8 @@ static int igc_set_pauseparam(struct net_device *netdev, return retval; } -static void igc_get_strings(struct net_device *netdev, u32 stringset, u8 *data) +static void igc_ethtool_get_strings(struct net_device *netdev, u32 stringset, + u8 *data) { struct igc_adapter *adapter = netdev_priv(netdev); u8 *p = data; @@ -780,7 +783,7 @@ static void igc_get_strings(struct net_device *netdev, u32 stringset, u8 *data) } } -static int igc_get_sset_count(struct net_device *netdev, int sset) +static int igc_ethtool_get_sset_count(struct net_device *netdev, int sset) { switch (sset) { case ETH_SS_STATS: @@ -794,7 +797,7 @@ static int igc_get_sset_count(struct net_device *netdev, int sset) } } -static void igc_get_ethtool_stats(struct net_device *netdev, +static void igc_ethtool_get_stats(struct net_device *netdev, struct ethtool_stats *stats, u64 *data) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -850,8 +853,8 @@ static void igc_get_ethtool_stats(struct net_device *netdev, spin_unlock(&adapter->stats64_lock); } -static int igc_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) +static int igc_ethtool_get_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ec) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -870,8 +873,8 @@ static int igc_get_coalesce(struct net_device *netdev, return 0; } -static int igc_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) +static int igc_ethtool_set_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ec) { struct igc_adapter *adapter = netdev_priv(netdev); int i; @@ -928,7 +931,7 @@ static int igc_set_coalesce(struct net_device *netdev, } #define ETHER_TYPE_FULL_MASK ((__force __be16)~0) -static int igc_get_ethtool_nfc_entry(struct igc_adapter *adapter, +static int igc_ethtool_get_nfc_entry(struct igc_adapter *adapter, struct ethtool_rxnfc *cmd) { struct ethtool_rx_flow_spec *fsp = &cmd->fs; @@ -977,7 +980,7 @@ static int igc_get_ethtool_nfc_entry(struct igc_adapter *adapter, return 0; } -static int igc_get_ethtool_nfc_all(struct igc_adapter *adapter, +static int igc_ethtool_get_nfc_all(struct igc_adapter *adapter, struct ethtool_rxnfc *cmd, u32 *rule_locs) { @@ -999,8 +1002,8 @@ static int igc_get_ethtool_nfc_all(struct igc_adapter *adapter, return 0; } -static int igc_get_rss_hash_opts(struct igc_adapter *adapter, - struct ethtool_rxnfc *cmd) +static int igc_ethtool_get_rss_hash_opts(struct igc_adapter *adapter, + struct ethtool_rxnfc *cmd) { cmd->data = 0; @@ -1049,8 +1052,8 @@ static int igc_get_rss_hash_opts(struct igc_adapter *adapter, return 0; } -static int igc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, - u32 *rule_locs) +static int igc_ethtool_get_rxnfc(struct net_device *dev, + struct ethtool_rxnfc *cmd, u32 *rule_locs) { struct igc_adapter *adapter = netdev_priv(dev); @@ -1062,11 +1065,11 @@ static int igc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, cmd->rule_cnt = adapter->nfc_filter_count; return 0; case ETHTOOL_GRXCLSRULE: - return igc_get_ethtool_nfc_entry(adapter, cmd); + return igc_ethtool_get_nfc_entry(adapter, cmd); case ETHTOOL_GRXCLSRLALL: - return igc_get_ethtool_nfc_all(adapter, cmd, rule_locs); + return igc_ethtool_get_nfc_all(adapter, cmd, rule_locs); case ETHTOOL_GRXFH: - return igc_get_rss_hash_opts(adapter, cmd); + return igc_ethtool_get_rss_hash_opts(adapter, cmd); default: return -EOPNOTSUPP; } @@ -1074,8 +1077,8 @@ static int igc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, #define UDP_RSS_FLAGS (IGC_FLAG_RSS_FIELD_IPV4_UDP | \ IGC_FLAG_RSS_FIELD_IPV6_UDP) -static int igc_set_rss_hash_opt(struct igc_adapter *adapter, - struct ethtool_rxnfc *nfc) +static int igc_ethtool_set_rss_hash_opt(struct igc_adapter *adapter, + struct ethtool_rxnfc *nfc) { u32 flags = adapter->flags; @@ -1240,7 +1243,7 @@ int igc_erase_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) return 0; } -static int igc_update_ethtool_nfc_entry(struct igc_adapter *adapter, +static int igc_ethtool_update_nfc_entry(struct igc_adapter *adapter, struct igc_nfc_filter *input, u16 sw_idx) { @@ -1288,7 +1291,7 @@ static int igc_update_ethtool_nfc_entry(struct igc_adapter *adapter, return 0; } -static int igc_add_ethtool_nfc_entry(struct igc_adapter *adapter, +static int igc_ethtool_add_nfc_entry(struct igc_adapter *adapter, struct ethtool_rxnfc *cmd) { struct net_device *netdev = adapter->netdev; @@ -1379,7 +1382,7 @@ static int igc_add_ethtool_nfc_entry(struct igc_adapter *adapter, if (err) goto err_out_w_lock; - igc_update_ethtool_nfc_entry(adapter, input, input->sw_idx); + igc_ethtool_update_nfc_entry(adapter, input, input->sw_idx); spin_unlock(&adapter->nfc_lock); return 0; @@ -1391,7 +1394,7 @@ static int igc_add_ethtool_nfc_entry(struct igc_adapter *adapter, return err; } -static int igc_del_ethtool_nfc_entry(struct igc_adapter *adapter, +static int igc_ethtool_del_nfc_entry(struct igc_adapter *adapter, struct ethtool_rxnfc *cmd) { struct ethtool_rx_flow_spec *fsp = @@ -1399,23 +1402,24 @@ static int igc_del_ethtool_nfc_entry(struct igc_adapter *adapter, int err; spin_lock(&adapter->nfc_lock); - err = igc_update_ethtool_nfc_entry(adapter, NULL, fsp->location); + err = igc_ethtool_update_nfc_entry(adapter, NULL, fsp->location); spin_unlock(&adapter->nfc_lock); return err; } -static int igc_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) +static int igc_ethtool_set_rxnfc(struct net_device *dev, + struct ethtool_rxnfc *cmd) { struct igc_adapter *adapter = netdev_priv(dev); switch (cmd->cmd) { case ETHTOOL_SRXFH: - return igc_set_rss_hash_opt(adapter, cmd); + return igc_ethtool_set_rss_hash_opt(adapter, cmd); case ETHTOOL_SRXCLSRLINS: - return igc_add_ethtool_nfc_entry(adapter, cmd); + return igc_ethtool_add_nfc_entry(adapter, cmd); case ETHTOOL_SRXCLSRLDEL: - return igc_del_ethtool_nfc_entry(adapter, cmd); + return igc_ethtool_del_nfc_entry(adapter, cmd); default: return -EOPNOTSUPP; } @@ -1443,13 +1447,13 @@ void igc_write_rss_indir_tbl(struct igc_adapter *adapter) } } -static u32 igc_get_rxfh_indir_size(struct net_device *netdev) +static u32 igc_ethtool_get_rxfh_indir_size(struct net_device *netdev) { return IGC_RETA_SIZE; } -static int igc_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, - u8 *hfunc) +static int igc_ethtool_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, + u8 *hfunc) { struct igc_adapter *adapter = netdev_priv(netdev); int i; @@ -1464,8 +1468,8 @@ static int igc_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, return 0; } -static int igc_set_rxfh(struct net_device *netdev, const u32 *indir, - const u8 *key, const u8 hfunc) +static int igc_ethtool_set_rxfh(struct net_device *netdev, const u32 *indir, + const u8 *key, const u8 hfunc) { struct igc_adapter *adapter = netdev_priv(netdev); u32 num_queues; @@ -1493,8 +1497,8 @@ static int igc_set_rxfh(struct net_device *netdev, const u32 *indir, return 0; } -static void igc_get_channels(struct net_device *netdev, - struct ethtool_channels *ch) +static void igc_ethtool_get_channels(struct net_device *netdev, + struct ethtool_channels *ch) { struct igc_adapter *adapter = netdev_priv(netdev); @@ -1510,8 +1514,8 @@ static void igc_get_channels(struct net_device *netdev, ch->combined_count = adapter->rss_queues; } -static int igc_set_channels(struct net_device *netdev, - struct ethtool_channels *ch) +static int igc_ethtool_set_channels(struct net_device *netdev, + struct ethtool_channels *ch) { struct igc_adapter *adapter = netdev_priv(netdev); unsigned int count = ch->combined_count; @@ -1543,8 +1547,8 @@ static int igc_set_channels(struct net_device *netdev, return 0; } -static int igc_get_ts_info(struct net_device *dev, - struct ethtool_ts_info *info) +static int igc_ethtool_get_ts_info(struct net_device *dev, + struct ethtool_ts_info *info) { struct igc_adapter *adapter = netdev_priv(dev); @@ -1576,7 +1580,7 @@ static int igc_get_ts_info(struct net_device *dev, } } -static u32 igc_get_priv_flags(struct net_device *netdev) +static u32 igc_ethtool_get_priv_flags(struct net_device *netdev) { struct igc_adapter *adapter = netdev_priv(netdev); u32 priv_flags = 0; @@ -1587,7 +1591,7 @@ static u32 igc_get_priv_flags(struct net_device *netdev) return priv_flags; } -static int igc_set_priv_flags(struct net_device *netdev, u32 priv_flags) +static int igc_ethtool_set_priv_flags(struct net_device *netdev, u32 priv_flags) { struct igc_adapter *adapter = netdev_priv(netdev); unsigned int flags = adapter->flags; @@ -1622,8 +1626,8 @@ static void igc_ethtool_complete(struct net_device *netdev) pm_runtime_put(&adapter->pdev->dev); } -static int igc_get_link_ksettings(struct net_device *netdev, - struct ethtool_link_ksettings *cmd) +static int igc_ethtool_get_link_ksettings(struct net_device *netdev, + struct ethtool_link_ksettings *cmd) { struct igc_adapter *adapter = netdev_priv(netdev); struct igc_hw *hw = &adapter->hw; @@ -1729,8 +1733,9 @@ static int igc_get_link_ksettings(struct net_device *netdev, return 0; } -static int igc_set_link_ksettings(struct net_device *netdev, - const struct ethtool_link_ksettings *cmd) +static int +igc_ethtool_set_link_ksettings(struct net_device *netdev, + const struct ethtool_link_ksettings *cmd) { struct igc_adapter *adapter = netdev_priv(netdev); struct net_device *dev = adapter->netdev; @@ -1796,8 +1801,8 @@ static int igc_set_link_ksettings(struct net_device *netdev, return 0; } -static void igc_diag_test(struct net_device *netdev, - struct ethtool_test *eth_test, u64 *data) +static void igc_ethtool_diag_test(struct net_device *netdev, + struct ethtool_test *eth_test, u64 *data) { struct igc_adapter *adapter = netdev_priv(netdev); bool if_running = netif_running(netdev); @@ -1856,45 +1861,45 @@ static void igc_diag_test(struct net_device *netdev, static const struct ethtool_ops igc_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS, - .get_drvinfo = igc_get_drvinfo, - .get_regs_len = igc_get_regs_len, - .get_regs = igc_get_regs, - .get_wol = igc_get_wol, - .set_wol = igc_set_wol, - .get_msglevel = igc_get_msglevel, - .set_msglevel = igc_set_msglevel, - .nway_reset = igc_nway_reset, - .get_link = igc_get_link, - .get_eeprom_len = igc_get_eeprom_len, - .get_eeprom = igc_get_eeprom, - .set_eeprom = igc_set_eeprom, - .get_ringparam = igc_get_ringparam, - .set_ringparam = igc_set_ringparam, - .get_pauseparam = igc_get_pauseparam, - .set_pauseparam = igc_set_pauseparam, - .get_strings = igc_get_strings, - .get_sset_count = igc_get_sset_count, - .get_ethtool_stats = igc_get_ethtool_stats, - .get_coalesce = igc_get_coalesce, - .set_coalesce = igc_set_coalesce, - .get_rxnfc = igc_get_rxnfc, - .set_rxnfc = igc_set_rxnfc, - .get_rxfh_indir_size = igc_get_rxfh_indir_size, - .get_rxfh = igc_get_rxfh, - .set_rxfh = igc_set_rxfh, - .get_ts_info = igc_get_ts_info, - .get_channels = igc_get_channels, - .set_channels = igc_set_channels, - .get_priv_flags = igc_get_priv_flags, - .set_priv_flags = igc_set_priv_flags, + .get_drvinfo = igc_ethtool_get_drvinfo, + .get_regs_len = igc_ethtool_get_regs_len, + .get_regs = igc_ethtool_get_regs, + .get_wol = igc_ethtool_get_wol, + .set_wol = igc_ethtool_set_wol, + .get_msglevel = igc_ethtool_get_msglevel, + .set_msglevel = igc_ethtool_set_msglevel, + .nway_reset = igc_ethtool_nway_reset, + .get_link = igc_ethtool_get_link, + .get_eeprom_len = igc_ethtool_get_eeprom_len, + .get_eeprom = igc_ethtool_get_eeprom, + .set_eeprom = igc_ethtool_set_eeprom, + .get_ringparam = igc_ethtool_get_ringparam, + .set_ringparam = igc_ethtool_set_ringparam, + .get_pauseparam = igc_ethtool_get_pauseparam, + .set_pauseparam = igc_ethtool_set_pauseparam, + .get_strings = igc_ethtool_get_strings, + .get_sset_count = igc_ethtool_get_sset_count, + .get_ethtool_stats = igc_ethtool_get_stats, + .get_coalesce = igc_ethtool_get_coalesce, + .set_coalesce = igc_ethtool_set_coalesce, + .get_rxnfc = igc_ethtool_get_rxnfc, + .set_rxnfc = igc_ethtool_set_rxnfc, + .get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size, + .get_rxfh = igc_ethtool_get_rxfh, + .set_rxfh = igc_ethtool_set_rxfh, + .get_ts_info = igc_ethtool_get_ts_info, + .get_channels = igc_ethtool_get_channels, + .set_channels = igc_ethtool_set_channels, + .get_priv_flags = igc_ethtool_get_priv_flags, + .set_priv_flags = igc_ethtool_set_priv_flags, .begin = igc_ethtool_begin, .complete = igc_ethtool_complete, - .get_link_ksettings = igc_get_link_ksettings, - .set_link_ksettings = igc_set_link_ksettings, - .self_test = igc_diag_test, + .get_link_ksettings = igc_ethtool_get_link_ksettings, + .set_link_ksettings = igc_ethtool_set_link_ksettings, + .self_test = igc_ethtool_diag_test, }; -void igc_set_ethtool_ops(struct net_device *netdev) +void igc_ethtool_set_ops(struct net_device *netdev) { netdev->ethtool_ops = &igc_ethtool_ops; } diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 843e8a2aaf24d..98356652a7d93 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -4932,7 +4932,7 @@ static int igc_probe(struct pci_dev *pdev, hw->hw_addr = adapter->io_addr; netdev->netdev_ops = &igc_netdev_ops; - igc_set_ethtool_ops(netdev); + igc_ethtool_set_ops(netdev); netdev->watchdog_timeo = 5 * HZ; netdev->mem_start = pci_resource_start(pdev, 0); From 97700bc86d068442ee19ca6d31fc0a600cdbd672 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 24 Apr 2020 13:16:10 -0700 Subject: [PATCH 14/15] igc: Align terms used in NFC support code The Network Flow Classification (NFC) support code from IGC driver uses terms such as 'rule', 'filter', 'entry', 'input' interchangeably when referring to NFC rules, making it harder to follow the code. This patch renames IGC's internal APIs, structs, and variables so we stick with the term 'rule' since this is the term used in ethtool APIs. It also removes some not applicable comments along the way. No functionality is changed by this patch. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc.h | 29 ++-- drivers/net/ethernet/intel/igc/igc_ethtool.c | 160 +++++++++---------- drivers/net/ethernet/intel/igc/igc_main.c | 42 ++--- 3 files changed, 114 insertions(+), 117 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 359ac40908f65..7124ba254b89b 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -187,12 +187,12 @@ struct igc_adapter { u32 rss_queues; u32 rss_indir_tbl_init; - /* RX network flow classification support */ - struct hlist_head nfc_filter_list; - unsigned int nfc_filter_count; - - /* lock for RX network flow classification filter */ - spinlock_t nfc_lock; + /* Any access to elements in nfc_rule_list is protected by the + * nfc_rule_lock. + */ + spinlock_t nfc_rule_lock; + struct hlist_head nfc_rule_list; + unsigned int nfc_rule_count; u8 rss_indir_tbl[IGC_RETA_SIZE]; @@ -453,7 +453,7 @@ enum igc_filter_match_flags { }; /* RX network flow classification data structure */ -struct igc_nfc_input { +struct igc_nfc_filter { /* Byte layout in order, all values with MSB first: * match_flags - 1 byte * etype - 2 bytes @@ -466,14 +466,14 @@ struct igc_nfc_input { u8 dst_addr[ETH_ALEN]; }; -struct igc_nfc_filter { +struct igc_nfc_rule { struct hlist_node nfc_node; - struct igc_nfc_input filter; + struct igc_nfc_filter filter; u16 sw_idx; u16 action; }; -#define IGC_MAX_RXNFC_FILTERS 16 +#define IGC_MAX_RXNFC_RULES 16 /* igc_desc_unused - calculate if we have unused descriptors */ static inline u16 igc_desc_unused(const struct igc_ring *ring) @@ -549,12 +549,11 @@ static inline s32 igc_read_phy_reg(struct igc_hw *hw, u32 offset, u16 *data) return 0; } -/* forward declaration */ void igc_reinit_locked(struct igc_adapter *); -int igc_add_filter(struct igc_adapter *adapter, - struct igc_nfc_filter *input); -int igc_erase_filter(struct igc_adapter *adapter, - struct igc_nfc_filter *input); +int igc_enable_nfc_rule(struct igc_adapter *adapter, + const struct igc_nfc_rule *rule); +int igc_disable_nfc_rule(struct igc_adapter *adapter, + const struct igc_nfc_rule *rule); void igc_ptp_init(struct igc_adapter *adapter); void igc_ptp_reset(struct igc_adapter *adapter); diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 0399ca1d7d0cf..408f4a9a199fc 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -931,16 +931,15 @@ static int igc_ethtool_set_coalesce(struct net_device *netdev, } #define ETHER_TYPE_FULL_MASK ((__force __be16)~0) -static int igc_ethtool_get_nfc_entry(struct igc_adapter *adapter, - struct ethtool_rxnfc *cmd) +static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter, + struct ethtool_rxnfc *cmd) { struct ethtool_rx_flow_spec *fsp = &cmd->fs; - struct igc_nfc_filter *rule = NULL; + struct igc_nfc_rule *rule = NULL; - /* report total rule count */ - cmd->data = IGC_MAX_RXNFC_FILTERS; + cmd->data = IGC_MAX_RXNFC_RULES; - hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) { + hlist_for_each_entry(rule, &adapter->nfc_rule_list, nfc_node) { if (fsp->location <= rule->sw_idx) break; } @@ -980,17 +979,16 @@ static int igc_ethtool_get_nfc_entry(struct igc_adapter *adapter, return 0; } -static int igc_ethtool_get_nfc_all(struct igc_adapter *adapter, - struct ethtool_rxnfc *cmd, - u32 *rule_locs) +static int igc_ethtool_get_nfc_rules(struct igc_adapter *adapter, + struct ethtool_rxnfc *cmd, + u32 *rule_locs) { - struct igc_nfc_filter *rule; + struct igc_nfc_rule *rule; int cnt = 0; - /* report total rule count */ - cmd->data = IGC_MAX_RXNFC_FILTERS; + cmd->data = IGC_MAX_RXNFC_RULES; - hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) { + hlist_for_each_entry(rule, &adapter->nfc_rule_list, nfc_node) { if (cnt == cmd->rule_cnt) return -EMSGSIZE; rule_locs[cnt] = rule->sw_idx; @@ -1062,12 +1060,12 @@ static int igc_ethtool_get_rxnfc(struct net_device *dev, cmd->data = adapter->num_rx_queues; return 0; case ETHTOOL_GRXCLSRLCNT: - cmd->rule_cnt = adapter->nfc_filter_count; + cmd->rule_cnt = adapter->nfc_rule_count; return 0; case ETHTOOL_GRXCLSRULE: - return igc_ethtool_get_nfc_entry(adapter, cmd); + return igc_ethtool_get_nfc_rule(adapter, cmd); case ETHTOOL_GRXCLSRLALL: - return igc_ethtool_get_nfc_all(adapter, cmd, rule_locs); + return igc_ethtool_get_nfc_rules(adapter, cmd, rule_locs); case ETHTOOL_GRXFH: return igc_ethtool_get_rss_hash_opts(adapter, cmd); default: @@ -1179,38 +1177,37 @@ static int igc_ethtool_set_rss_hash_opt(struct igc_adapter *adapter, return 0; } -int igc_add_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) +int igc_enable_nfc_rule(struct igc_adapter *adapter, + const struct igc_nfc_rule *rule) { int err = -EINVAL; - if (input->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { - u16 etype = ntohs(input->filter.etype); + if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { + u16 etype = ntohs(rule->filter.etype); - err = igc_add_etype_filter(adapter, etype, input->action); + err = igc_add_etype_filter(adapter, etype, rule->action); if (err) return err; } - if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { + if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { err = igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_SRC, - input->filter.src_addr, - input->action); + rule->filter.src_addr, rule->action); if (err) return err; } - if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { + if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) { err = igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, - input->filter.dst_addr, - input->action); + rule->filter.dst_addr, rule->action); if (err) return err; } - if (input->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { - int prio = (ntohs(input->filter.vlan_tci) & VLAN_PRIO_MASK) >> + if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { + int prio = (ntohs(rule->filter.vlan_tci) & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; - err = igc_add_vlan_prio_filter(adapter, prio, input->action); + err = igc_add_vlan_prio_filter(adapter, prio, rule->action); if (err) return err; } @@ -1218,42 +1215,43 @@ int igc_add_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) return 0; } -int igc_erase_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input) +int igc_disable_nfc_rule(struct igc_adapter *adapter, + const struct igc_nfc_rule *rule) { - if (input->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { - u16 etype = ntohs(input->filter.etype); + if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { + u16 etype = ntohs(rule->filter.etype); igc_del_etype_filter(adapter, etype); } - if (input->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { - int prio = (ntohs(input->filter.vlan_tci) & VLAN_PRIO_MASK) >> + if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { + int prio = (ntohs(rule->filter.vlan_tci) & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; igc_del_vlan_prio_filter(adapter, prio); } - if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) + if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_SRC, - input->filter.src_addr); + rule->filter.src_addr); - if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) + if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, - input->filter.dst_addr); + rule->filter.dst_addr); return 0; } -static int igc_ethtool_update_nfc_entry(struct igc_adapter *adapter, - struct igc_nfc_filter *input, - u16 sw_idx) +static int igc_ethtool_update_nfc_rule(struct igc_adapter *adapter, + struct igc_nfc_rule *input, + u16 sw_idx) { - struct igc_nfc_filter *rule, *parent; + struct igc_nfc_rule *rule, *parent; int err = -EINVAL; parent = NULL; rule = NULL; - hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) { + hlist_for_each_entry(rule, &adapter->nfc_rule_list, nfc_node) { /* hash found, or no matching entry */ if (rule->sw_idx >= sw_idx) break; @@ -1263,11 +1261,11 @@ static int igc_ethtool_update_nfc_entry(struct igc_adapter *adapter, /* if there is an old rule occupying our place remove it */ if (rule && rule->sw_idx == sw_idx) { if (!input) - err = igc_erase_filter(adapter, rule); + err = igc_disable_nfc_rule(adapter, rule); hlist_del(&rule->nfc_node); kfree(rule); - adapter->nfc_filter_count--; + adapter->nfc_rule_count--; } /* If no input this was a delete, err should be 0 if a rule was @@ -1283,21 +1281,21 @@ static int igc_ethtool_update_nfc_entry(struct igc_adapter *adapter, if (parent) hlist_add_behind(&input->nfc_node, &parent->nfc_node); else - hlist_add_head(&input->nfc_node, &adapter->nfc_filter_list); + hlist_add_head(&input->nfc_node, &adapter->nfc_rule_list); /* update counts */ - adapter->nfc_filter_count++; + adapter->nfc_rule_count++; return 0; } -static int igc_ethtool_add_nfc_entry(struct igc_adapter *adapter, - struct ethtool_rxnfc *cmd) +static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter, + struct ethtool_rxnfc *cmd) { struct net_device *netdev = adapter->netdev; struct ethtool_rx_flow_spec *fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; - struct igc_nfc_filter *input, *rule; + struct igc_nfc_rule *rule, *tmp; int err = 0; if (!(netdev->hw_features & NETIF_F_NTUPLE)) @@ -1314,7 +1312,7 @@ static int igc_ethtool_add_nfc_entry(struct igc_adapter *adapter, } /* Don't allow indexes to exist outside of available space */ - if (fsp->location >= IGC_MAX_RXNFC_FILTERS) { + if (fsp->location >= IGC_MAX_RXNFC_RULES) { netdev_err(netdev, "Location out of range\n"); return -EINVAL; } @@ -1322,32 +1320,32 @@ static int igc_ethtool_add_nfc_entry(struct igc_adapter *adapter, if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW) return -EINVAL; - input = kzalloc(sizeof(*input), GFP_KERNEL); - if (!input) + rule = kzalloc(sizeof(*rule), GFP_KERNEL); + if (!rule) return -ENOMEM; if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) { - input->filter.etype = fsp->h_u.ether_spec.h_proto; - input->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE; + rule->filter.etype = fsp->h_u.ether_spec.h_proto; + rule->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE; } /* Both source and destination address filters only support the full * mask. */ if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) { - input->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR; - ether_addr_copy(input->filter.src_addr, + rule->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR; + ether_addr_copy(rule->filter.src_addr, fsp->h_u.ether_spec.h_source); } if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) { - input->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR; - ether_addr_copy(input->filter.dst_addr, + rule->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR; + ether_addr_copy(rule->filter.dst_addr, fsp->h_u.ether_spec.h_dest); } - if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR && - input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { + if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR && + rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) { netdev_dbg(netdev, "Filters with both dst and src are not supported\n"); err = -EOPNOTSUPP; goto err_out; @@ -1359,18 +1357,18 @@ static int igc_ethtool_add_nfc_entry(struct igc_adapter *adapter, err = -EOPNOTSUPP; goto err_out; } - input->filter.vlan_tci = fsp->h_ext.vlan_tci; - input->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI; + rule->filter.vlan_tci = fsp->h_ext.vlan_tci; + rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI; } - input->action = fsp->ring_cookie; - input->sw_idx = fsp->location; + rule->action = fsp->ring_cookie; + rule->sw_idx = fsp->location; - spin_lock(&adapter->nfc_lock); + spin_lock(&adapter->nfc_rule_lock); - hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) { - if (!memcmp(&input->filter, &rule->filter, - sizeof(input->filter))) { + hlist_for_each_entry(tmp, &adapter->nfc_rule_list, nfc_node) { + if (!memcmp(&rule->filter, &tmp->filter, + sizeof(rule->filter))) { err = -EEXIST; netdev_err(netdev, "ethtool: this filter is already set\n"); @@ -1378,32 +1376,32 @@ static int igc_ethtool_add_nfc_entry(struct igc_adapter *adapter, } } - err = igc_add_filter(adapter, input); + err = igc_enable_nfc_rule(adapter, rule); if (err) goto err_out_w_lock; - igc_ethtool_update_nfc_entry(adapter, input, input->sw_idx); + igc_ethtool_update_nfc_rule(adapter, rule, rule->sw_idx); - spin_unlock(&adapter->nfc_lock); + spin_unlock(&adapter->nfc_rule_lock); return 0; err_out_w_lock: - spin_unlock(&adapter->nfc_lock); + spin_unlock(&adapter->nfc_rule_lock); err_out: - kfree(input); + kfree(rule); return err; } -static int igc_ethtool_del_nfc_entry(struct igc_adapter *adapter, - struct ethtool_rxnfc *cmd) +static int igc_ethtool_del_nfc_rule(struct igc_adapter *adapter, + struct ethtool_rxnfc *cmd) { struct ethtool_rx_flow_spec *fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; int err; - spin_lock(&adapter->nfc_lock); - err = igc_ethtool_update_nfc_entry(adapter, NULL, fsp->location); - spin_unlock(&adapter->nfc_lock); + spin_lock(&adapter->nfc_rule_lock); + err = igc_ethtool_update_nfc_rule(adapter, NULL, fsp->location); + spin_unlock(&adapter->nfc_rule_lock); return err; } @@ -1417,9 +1415,9 @@ static int igc_ethtool_set_rxnfc(struct net_device *dev, case ETHTOOL_SRXFH: return igc_ethtool_set_rss_hash_opt(adapter, cmd); case ETHTOOL_SRXCLSRLINS: - return igc_ethtool_add_nfc_entry(adapter, cmd); + return igc_ethtool_add_nfc_rule(adapter, cmd); case ETHTOOL_SRXCLSRLDEL: - return igc_ethtool_del_nfc_entry(adapter, cmd); + return igc_ethtool_del_nfc_rule(adapter, cmd); default: return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 98356652a7d93..f48d6127a220f 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -2174,16 +2174,16 @@ static bool igc_clean_tx_irq(struct igc_q_vector *q_vector, int napi_budget) return !!budget; } -static void igc_nfc_filter_restore(struct igc_adapter *adapter) +static void igc_restore_nfc_rules(struct igc_adapter *adapter) { - struct igc_nfc_filter *rule; + struct igc_nfc_rule *rule; - spin_lock(&adapter->nfc_lock); + spin_lock(&adapter->nfc_rule_lock); - hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) - igc_add_filter(adapter, rule); + hlist_for_each_entry(rule, &adapter->nfc_rule_list, nfc_node) + igc_enable_nfc_rule(adapter, rule); - spin_unlock(&adapter->nfc_lock); + spin_unlock(&adapter->nfc_rule_lock); } static int igc_find_mac_filter(struct igc_adapter *adapter, @@ -2537,7 +2537,7 @@ static void igc_configure(struct igc_adapter *adapter) igc_setup_rctl(adapter); igc_set_default_mac_filter(adapter); - igc_nfc_filter_restore(adapter); + igc_restore_nfc_rules(adapter); igc_configure_tx(adapter); igc_configure_rx(adapter); @@ -3424,7 +3424,7 @@ static int igc_sw_init(struct igc_adapter *adapter) VLAN_HLEN; adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; - spin_lock_init(&adapter->nfc_lock); + spin_lock_init(&adapter->nfc_rule_lock); spin_lock_init(&adapter->stats64_lock); /* Assume MSI-X interrupts, will be checked during IRQ allocation */ adapter->flags |= IGC_FLAG_HAS_MSIX; @@ -3651,16 +3651,16 @@ void igc_update_stats(struct igc_adapter *adapter) adapter->stats.mgpdc += rd32(IGC_MGTPDC); } -static void igc_nfc_filter_exit(struct igc_adapter *adapter) +static void igc_nfc_rule_exit(struct igc_adapter *adapter) { - struct igc_nfc_filter *rule; + struct igc_nfc_rule *rule; - spin_lock(&adapter->nfc_lock); + spin_lock(&adapter->nfc_rule_lock); - hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) - igc_erase_filter(adapter, rule); + hlist_for_each_entry(rule, &adapter->nfc_rule_list, nfc_node) + igc_disable_nfc_rule(adapter, rule); - spin_unlock(&adapter->nfc_lock); + spin_unlock(&adapter->nfc_rule_lock); } /** @@ -3681,7 +3681,7 @@ void igc_down(struct igc_adapter *adapter) wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN); /* flush and sleep below */ - igc_nfc_filter_exit(adapter); + igc_nfc_rule_exit(adapter); /* set trans_start so we don't get spurious watchdogs during reset */ netif_trans_update(netdev); @@ -3833,17 +3833,17 @@ static int igc_set_features(struct net_device *netdev, if (!(features & NETIF_F_NTUPLE)) { struct hlist_node *node2; - struct igc_nfc_filter *rule; + struct igc_nfc_rule *rule; - spin_lock(&adapter->nfc_lock); + spin_lock(&adapter->nfc_rule_lock); hlist_for_each_entry_safe(rule, node2, - &adapter->nfc_filter_list, nfc_node) { - igc_erase_filter(adapter, rule); + &adapter->nfc_rule_list, nfc_node) { + igc_disable_nfc_rule(adapter, rule); hlist_del(&rule->nfc_node); kfree(rule); } - spin_unlock(&adapter->nfc_lock); - adapter->nfc_filter_count = 0; + spin_unlock(&adapter->nfc_rule_lock); + adapter->nfc_rule_count = 0; } netdev->features = features; From c983e3271923c96cd5f90de0b580f1b210f7f8b6 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Fri, 24 Apr 2020 13:16:11 -0700 Subject: [PATCH 15/15] igc: Change byte order in struct igc_nfc_filter Every time we access the 'etype' and 'vlan_tci' fields from struct igc_nfc_filter to enable or disable filters in hardware we have to convert them from big endian to host order so it makes more sense to simply have these fields in host order. The byte order conversion should take place in igc_ethtool_get_nfc_ rule() and igc_ethtool_add_nfc_rule(), which are called by .get_rxnfc and .set_rxnfc ethtool ops, since ethtool subsystem is the one who deals with them in big endian order. Signed-off-by: Andre Guedes Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igc/igc.h | 10 ++------ drivers/net/ethernet/intel/igc/igc_ethtool.c | 25 +++++++++----------- 2 files changed, 13 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index 7124ba254b89b..fcc6261d7f679 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -452,16 +452,10 @@ enum igc_filter_match_flags { IGC_FILTER_FLAG_DST_MAC_ADDR = 0x8, }; -/* RX network flow classification data structure */ struct igc_nfc_filter { - /* Byte layout in order, all values with MSB first: - * match_flags - 1 byte - * etype - 2 bytes - * vlan_tci - 2 bytes - */ u8 match_flags; - __be16 etype; - __be16 vlan_tci; + u16 etype; + u16 vlan_tci; u8 src_addr[ETH_ALEN]; u8 dst_addr[ETH_ALEN]; }; diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 408f4a9a199fc..66e0760a8f9e3 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -954,13 +954,13 @@ static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter, fsp->ring_cookie = rule->action; if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { - fsp->h_u.ether_spec.h_proto = rule->filter.etype; + fsp->h_u.ether_spec.h_proto = htons(rule->filter.etype); fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK; } if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { fsp->flow_type |= FLOW_EXT; - fsp->h_ext.vlan_tci = rule->filter.vlan_tci; + fsp->h_ext.vlan_tci = htons(rule->filter.vlan_tci); fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK); } @@ -1183,9 +1183,8 @@ int igc_enable_nfc_rule(struct igc_adapter *adapter, int err = -EINVAL; if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { - u16 etype = ntohs(rule->filter.etype); - - err = igc_add_etype_filter(adapter, etype, rule->action); + err = igc_add_etype_filter(adapter, rule->filter.etype, + rule->action); if (err) return err; } @@ -1205,8 +1204,9 @@ int igc_enable_nfc_rule(struct igc_adapter *adapter, } if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { - int prio = (ntohs(rule->filter.vlan_tci) & VLAN_PRIO_MASK) >> + int prio = (rule->filter.vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; + err = igc_add_vlan_prio_filter(adapter, prio, rule->action); if (err) return err; @@ -1218,14 +1218,11 @@ int igc_enable_nfc_rule(struct igc_adapter *adapter, int igc_disable_nfc_rule(struct igc_adapter *adapter, const struct igc_nfc_rule *rule) { - if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) { - u16 etype = ntohs(rule->filter.etype); - - igc_del_etype_filter(adapter, etype); - } + if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) + igc_del_etype_filter(adapter, rule->filter.etype); if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) { - int prio = (ntohs(rule->filter.vlan_tci) & VLAN_PRIO_MASK) >> + int prio = (rule->filter.vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; igc_del_vlan_prio_filter(adapter, prio); } @@ -1325,7 +1322,7 @@ static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter, return -ENOMEM; if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) { - rule->filter.etype = fsp->h_u.ether_spec.h_proto; + rule->filter.etype = ntohs(fsp->h_u.ether_spec.h_proto); rule->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE; } @@ -1357,7 +1354,7 @@ static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter, err = -EOPNOTSUPP; goto err_out; } - rule->filter.vlan_tci = fsp->h_ext.vlan_tci; + rule->filter.vlan_tci = ntohs(fsp->h_ext.vlan_tci); rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI; }