- May 23, 2020
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Andre Guedes authored
If we try to overwrite an existing rule with the same filter but different action, we get EEXIST error as shown below. $ ethtool -N eth0 flow-type ether dst <MACADDR> action 1 loc 10 $ ethtool -N eth0 flow-type ether dst <MACADDR> action 2 loc 10 rmgr: Cannot insert RX class rule: File exists The second command is expected to overwrite the previous rule in location 10 and succeed. This patch fixes igc_ethtool_check_nfc_rule() so it also checks the rules location. In case they match, the rule under evaluation should not be considered invalid. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
If we have RFC rules in adapter->nfc_rule_list when the IGC driver is unloaded, all rules are leaked. This patch fixes the issue by introducing the helper igc_flush_nfc_rules() and calling it in igc_remove(). It also updates igc_set_features() so is reuses the new helper instead of re-implementing it. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
Current implementation of igc_ethtool_update_nfc_rule() is a bit convoluted since it handles too many things: rule lookup, deletion and addition. This patch breaks it into three functions so we simplify the code and improve code reuse. Code related to rule lookup is refactored out to a new function called igc_get_nfc_rule(). Code related to rule addition is refactored out to a new function called igc_add_nfc_rule(). This function enables the rule in hardware and adds it to the adapter's list. Code related to rule deletion is refactored out to a new function called igc_del_nfc_rule(). This function disables the rule in hardware, removes it from adapter's list, and deletes it. As a byproduct of this refactoring, igc_enable_nfc_rule() and igc_disable_nfc_rule() are moved to igc_main.c since they are not used in igc_ethtool.c anymore, and igc_restore_nfc_rules() and igc_nfc_rule_ exit() are moved around to avoid forward declaration. Also, since this patch already touches igc_ethtool_get_nfc_rule(), it takes the opportunity to remove the 'match_flags' check. Empty flags are not allowed to be added so no need to check that. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
When network interface is brought up, the driver re-enables the NFC rules previously configured. However, this is done in reverse order the rules were added and hardware filters are configured differently. For example, consider the following rules: $ ethtool -N eth0 flow-type ether dst 00:00:00:00:00:AA queue 0 $ ethtool -N eth0 flow-type ether dst 00:00:00:00:00:BB queue 1 $ ethtool -N eth0 flow-type ether dst 00:00:00:00:00:CC queue 2 $ ethtool -N eth0 flow-type ether dst 00:00:00:00:00:DD queue 3 RAL/RAH registers are configure so filter index 1 has address ending with AA, filter index 2 has address ending in BB, and so on. If we bring the interface down and up again, RAL/RAH registers are configured so filter index 1 has address ending in DD, filter index 2 has CC, and so on. IOW, in reverse order we had before bringing the interface down. This issue can be fixed by traversing adapter->nfc_rule_list in backwards when restoring the rules. Since hlist doesn't support backwards traversal, this patch replaces it by list_head and fixes igc_restore_nfc_rules() accordingly. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
Multicast MAC addresses are valid address for NFC rules but igc_add_mac_filter() is currently rejecting them. In fact, the I225 controller doesn't impose any constraint on the address value so this patch gets rid of the address validation check in MAC filter APIs. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
When the 'loc' argument is passed in ethtool, the input rule overwrites any rule present in that location. In this situation we must disable the old rule otherwise it is left enabled in hardware. This patch fixes the issue by always calling igc_disable_nfc_rule() when deleting the old rule, no matter the value of 'input' argument. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
Access to NFC rules stored in adapter->nfc_rule_list is protect by adapter->nfc_rule_lock. The functions igc_ethtool_get_nfc_rule() and igc_ethtool_get_nfc_rules() are missing to hold the lock while accessing rule objects. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
The 'sw_idx' field from 'struct igc_nfc_rule' is u16 type but it is assigned an u32 value in igc_ethtool_init_nfc_rule(). This patch changes 'sw_idx' type to u32 so they match. Also, it makes more sense to call this field 'location' since it holds the NFC rule location. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Andre Guedes authored
Current implementation of igc_ethtool_add_nfc_rule() is quite long and a bit convoluted so this patch does a code refactoring to improve the code. Code related to NFC rule object initialization is refactored out to the local helper function igc_ethtool_init_nfc_rule(). Likewise, code related to NFC rule validation is refactored out to another local helper, igc_ethtool_is_nfc_rule_valid(). RX_CLS_FLOW_DISC check is removed since it is redundant. The macro is defined as the max value fsp->ring_cookie can have, so checking if fsp->ring_cookie >= adapter->num_rx_queues is already sufficient. Finally, some log messages are improved or added, and obvious comments are removed. Signed-off-by:
Andre Guedes <andre.guedes@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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David S. Miller authored
This reverts commit 5e3768a4 . On request from Russell King, this is a layering violation. Signed-off-by:
David S. Miller <davem@davemloft.net>
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Potnuri Bharat Teja authored
Upon adapter hotplug, cxgb4 registers ULD devices for all the ULDs that are already loaded, ensuring that ULD's can enumerate the hotplugged adapter without reloading the ULD. Signed-off-by:
Potnuri Bharat Teja <bharat@chelsio.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Edward Cree authored
Make FLOW_ACTION_HW_STATS_DONT_CARE be all bits, rather than none, so that drivers and __flow_action_hw_stats_check can use simple bitwise checks. Pre-fill all actions with DONT_CARE in flow_rule_alloc(), rather than relying on implicit semantics of zero from kzalloc, so that callers which don't configure action stats themselves (i.e. netfilter) get the correct behaviour by default. Only the kernel's internal API semantics change; the TC uAPI is unaffected. v4: move DONT_CARE setting to flow_rule_alloc() for robustness and simplicity. v3: set DONT_CARE in nft and ct offload. v2: rebased on net-next, removed RFC tags. Signed-off-by:
Edward Cree <ecree@solarflare.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Vadim Fedorenko says: ==================== ip6_tunnel: add MPLS support The support for MPLS-in-IPv4 was added earlier. This patchset adds support for MPLS-in-IPv6. Changes in v2: - Eliminate ifdefs IS_ENABLE(CONFIG_MPLS) ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vadim Fedorenko authored
Add support for IPv6 tunnel devices in AF_MPLS. Signed-off-by:
Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vadim Fedorenko authored
Add support for MPLS in receive side. Signed-off-by:
Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vadim Fedorenko authored
This patch is just preparation for MPLS support in ip6_tunnel Signed-off-by:
Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vadim Fedorenko authored
Add ETH_P_MPLS_UC as supported protocol. Signed-off-by:
Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Vadim Fedorenko authored
Merge ip{4,6}ip6_tnl_xmit functions into one universal ipxip6_tnl_xmit in preparation for adding MPLS support. Signed-off-by:
Vadim Fedorenko <vfedorenko@novek.ru> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Bartosz Golaszewski says: ==================== mediatek: add support for MediaTek Ethernet MAC This series adds support for the STAR Ethernet Controller present on MediaTeK SoCs from the MT8* family. First we convert the existing DT bindings for the PERICFG controller to YAML and add a new compatible string for mt8516 variant of it. Then we add the DT bindings for the MAC. Next we do some cleanup of the mediatek ethernet drivers directory. The largest patch in the series adds the actual new driver. The rest of the patches add DT fixups for the boards already supported upstream. v1 -> v2: - add a generic helper for retrieving the net_device associated with given private data - fix several typos in commit messages - remove MTK_MAC_VERSION and don't set the driver version - use NET_IP_ALIGN instead of a magic number (2) but redefine it as it defaults to 0 on arm64 - don't manually turn the carrier off in mtk_mac_enable() - process TX cleanup in napi poll callback - configure pause in the adjust_link callback - use regmap_read_poll_timeout() instead of handcoding the polling - use devres_find() to verify that struct net_device is managed by devres in devm_register_netdev() - add a patch moving all networking devres helpers into net/devres.c - tweak the dma barriers: remove where unnecessary and add comments to the remaining barriers - don't reset internal counters when enabling the NIC - set the net_device's mtu size instead of checking the framesize in ndo_start_xmit() callback - fix a race condition in waking up the netif queue - don't emit log messages on OOM errors - use dma_set_mask_and_coherent() - use eth_hw_addr_random() - rework the receive callback so that we reuse the previous skb if unmapping fails, like we already do if skb allocation fails - rework hash table operations: add proper timeout handling and clear bits when appropriate v2 -> v3: - drop the patch adding priv_to_netdev() and store the netdev pointer in the driver private data - add an additional dma_wmb() after reseting the descriptor in mtk_mac_ring_pop_tail() - check the return value of dma_set_mask_and_coherent() - improve the DT bindings for mtk-eth-mac: make the reg property in the example use single-cell address and size, extend the description of the PERICFG phandle and document the mdio sub-node - add a patch converting the old .txt bindings for PERICFG to yaml - limit reading the DMA memory by storing the mapped addresses in the driver private structure - add a patch documenting the existing networking devres helpers v3 -> v4: - drop the devres patches: they will be sent separately - call netdev_sent_queue() & netdev_completed_queue() where appropriate - don't redefine NET_IP_ALIGN: define a private constant in the driver - fix a couple typos - only disabe/enable the MAC in suspend/resume if netif is running - drop the count field from the ring structure and instead calculate the number of used descriptors from the tail and head indicies - rework the locking used to protect the ring structures from concurrent access: use cheaper spin_lock_bh() and completely disable the internal spinlock used by regmap - rework the interrupt handling to make it more fine-grained: onle re-enable TX and RX interrupts while they're needed, process the stats updates in a workqueue, not in napi context - shrink the code responsible for unmapping and freeing skb memory - rework the barriers as advised by Arnd v4 -> v5: - rename the driver to make it less confusing with the existing mtk_eth_soc ethernet driver - unregister the mdiobus at device's detachment - open-code spin lock calls to avoid calling the _bh variants where unnecessary - limit read-modify-write operations where possible when accessing descriptor memory - use READ_ONCE/WRITE_ONCE when modifying the status and data_ptr descriptor fields ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
Add remaining properties to the ethernet node and enable it. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
Setup the pin control for the Ethernet MAC. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
Add the ethernet0 alias for ethernet so that u-boot can find this node and fill in the MAC address. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
Add the Ethernet MAC node to mt8516.dtsi. This defines parameters common to all the boards based on this SoC. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
This adds support for the PERICFG register range as a syscon. This will soon be used by the MediaTek Ethernet MAC driver for NIC configuration. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
This adds the driver for the MediaTek STAR Ethernet MAC currently used on the MT8* SoC family. For now we only support full-duplex. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
The Makefile formatting in the kernel tree usually doesn't use tabs, so remove them before we add a second driver. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
We'll soon by adding a second MediaTek Ethernet driver so modify the Kconfig prompt. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
This adds yaml DT bindings for the MediaTek STAR Ethernet MAC present on the mt8* family of SoCs. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
The PERICFG controller is present on the MT8516 SoC. Add an appropriate compatible variant. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski authored
Convert the DT binding .txt file for MediaTek's peripheral configuration controller to YAML. There's one special case where the compatible has three positions. Otherwise, it's a pretty normal syscon. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Arthur Kiyanovski says: ==================== ENA features and cosmetic changes Diff from V1 of this patchset: Removed error prints patch This patchset includes: 1. new rx offset feature 2. reduction of the driver load time 3. multiple cosmetic changes to the code ==================== Acked-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
This commit reduces the driver load time by using usec resolution instead of msec when polling for hardware state change. Also add back-off mechanism to handle cases where minimal sleep time is not enough. Signed-off-by:
Josh Triplett <josh@joshtriplett.org> Signed-off-by:
Sameeh Jubran <sameehj@amazon.com> Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
1. Use BIT macro instead of shift operator for code clarity 2. Replace multiple flag assignments to a single assignment of multiple flags in ena_com_add_single_rx_desc() 3. Move ENA_HASH_KEY_SIZE from ena_netdev.h to ena_com.h Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
1. Add leading and trailing spaces to several comments for better readability 2. Make tabs and spaces uniform in enum defines in ena_admin_defs.h Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
1. Reorder sanity checks in get_comp_ctxt() to make more sense 2. Reorder variables in ena_com_fill_hash_function() and ena_calc_io_queue_size() in reverse christmas tree. 3. Move around member initializations. Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
1. Remove unused definition of DRV_MODULE_VERSION 2. Remove {} from single line-of-code ifs 3. Remove unnecessary comments from ena_get/set_coalesce() 4. Remove unnecessary extra spaces and newlines Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
1. Join unnecessarily broken short lines in ena_com.c ena_netdev.c 2. Fix Indentations of broken lines Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
fix spelling and grammar mistakes in comments in ena_com.h, ena_com.c and ena_netdev.c Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
Make all types of variables that convey the number and sizeof queues to be u32, for consistency with the API between the driver and device via ena_admin_defs.h:ena_admin_get_feat_resp.max_queue_ext fields. Current code sometimes uses int and there are multiple assignments between these variables with different types. Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski authored
Rename ena_update_tx/rx_rings_intr_moderation() to ena_update_tx/rx_rings_nonadaptive_intr_moderation() to distinguish between adaptive and non adaptive interrupt moderaion. Signed-off-by:
Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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