- 18 Sep, 2020 33 commits
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David S. Miller authored
Randy Dunlap says: ==================== net: various: delete duplicated words [PATCH 1/7 net-next] net: core: delete duplicated words [PATCH 2/7 net-next] net: rds: delete duplicated words [PATCH 3/7 net-next] net: ipv6: delete duplicated words [PATCH 4/7 net-next] net: bluetooth: delete duplicated words [PATCH 5/7 net-next] net: tipc: delete duplicated words [PATCH 6/7 net-next] net: atm: delete duplicated words [PATCH 7/7 net-next] net: bridge: delete duplicated words ==================== Signed-off-by:David S. Miller <davem@davemloft.net>
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Randy Dunlap authored
Drop repeated words in net/bridge/. Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Roopa Prabhu <roopa@nvidia.com> Cc: Nikolay Aleksandrov <nikolay@nvidia.com> Cc: bridge@lists.linux-foundation.org Signed-off-by:
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Randy Dunlap authored
Drop repeated words in net/atm/. Signed-off-by:
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Randy Dunlap authored
Drop repeated words in net/tipc/. Signed-off-by:
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Randy Dunlap authored
Drop repeated words in net/bluetooth/. Signed-off-by:
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Randy Dunlap authored
Drop repeated words in net/ipv6/. Signed-off-by:
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Randy Dunlap authored
Drop repeated words in net/rds/. Signed-off-by:
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Randy Dunlap authored
Drop repeated words in net/core/. Signed-off-by:
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Lijun Pan authored
This reverts commit 550f4d46. adapter->from_passive_init may be changed in ibmvnic_handle_crq while ibmvnic_reset_init is waiting for the completion of adapter->init_done. Signed-off-by:
Lijun Pan <ljp@linux.ibm.com> Signed-off-by:
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David S. Miller authored
Tuong Lien says: ==================== tipc: add more features to TIPC encryption This series adds some new features to TIPC encryption: - Patch 1 ("tipc: optimize key switching time and logic") optimizes the code and logic in preparation for the following commits. - Patch 2 ("tipc: introduce encryption master key") introduces support of 'master key' for authentication of new nodes and key exchange. A master key can be set/changed by user via netlink (eg. using the same 'tipc node set key' command in iproute2/tipc). - Patch 3 ("tipc: add automatic session key exchange") allows a session key to be securely exchanged between nodes as needed. - Patch 4 ("tipc: add automatic rekeying for encryption key") adds automatic 'rekeying' of session keys a specific interval. The new key will be distributed automatically to peer nodes, so become active then. The rekeying interval is configurable via netlink as well. v2: update the "tipc: add automatic session key exchange" patch to fix "implicit declaration" issue when built without "CONFIG_TIPC_CRYPTO". v3: update the patches according to David comments by using the "genl_info->extack" for messages in response to netlink user config requests. ==================== Signed-off-by: -
Tuong Lien authored
Rekeying is required for security since a key is less secure when using for a long time. Also, key will be detached when its nonce value (or seqno ...) is exhausted. We now make the rekeying process automatic and configurable by user. Basically, TIPC will at a specific interval generate a new key by using the kernel 'Random Number Generator' cipher, then attach it as the node TX key and securely distribute to others in the cluster as RX keys (- the key exchange). The automatic key switching will then take over, and make the new key active shortly. Afterwards, the traffic from this node will be encrypted with the new session key. The same can happen in peer nodes but not necessarily at the same time. For simplicity, the automatically generated key will be initiated as a per node key. It is not too hard to also support a cluster key rekeying (e.g. a given node will generate a unique cluster key and update to the others in the cluster...), but that doesn't bring much benefit, while a per-node key is even more secure. We also enable user to force a rekeying or change the rekeying interval via netlink, the new 'set key' command option: 'TIPC_NLA_NODE_REKEYING' is added for these purposes as follows: - A value >= 1 will be set as the rekeying interval (in minutes); - A value of 0 will disable the rekeying; - A value of 'TIPC_REKEYING_NOW' (~0) will force an immediate rekeying; The default rekeying interval is (60 * 24) minutes i.e. done every day. There isn't any restriction for the value but user shouldn't set it too small or too large which results in an "ineffective" rekeying (thats ok for testing though). Acked-by:
Jon Maloy <jmaloy@redhat.com> Signed-off-by:
Tuong Lien <tuong.t.lien@dektech.com.au> Signed-off-by:
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Tuong Lien authored
With support from the master key option in the previous commit, it becomes easy to make frequent updates/exchanges of session keys between authenticated cluster nodes. Basically, there are two situations where the key exchange will take in place: - When a new node joins the cluster (with the master key), it will need to get its peer's TX key, so that be able to decrypt further messages from that peer. - When a new session key is generated (by either user manual setting or later automatic rekeying feature), the key will be distributed to all peer nodes in the cluster. A key to be exchanged is encapsulated in the data part of a 'MSG_CRYPTO /KEY_DISTR_MSG' TIPC v2 message, then xmit-ed as usual and encrypted by using the master key before sending out. Upon receipt of the message it will be decrypted in the same way as regular messages, then attached as the sender's RX key in the receiver node. In this way, the key exchange is reliable by the link layer, as well as security, integrity and authenticity by the crypto layer. Also, the forward security will be easily achieved by user changing the master key actively but this should not be required very frequently. The key exchange feature is independent on the presence of a master key Note however that the master key still is needed for new nodes to be able to join the cluster. It is also optional, and can be turned off/on via the sysfs: 'net/tipc/key_exchange_enabled' [default 1: enabled]. Backward compatibility is guaranteed because for nodes that do not have master key support, key exchange using master key ie. tx_key = 0 if any will be shortly discarded at the message validation step. In other words, the key exchange feature will be automatically disabled to those nodes. v2: fix the "implicit declaration of function 'tipc_crypto_key_flush'" error in node.c. The function only exists when built with the TIPC "CONFIG_TIPC_CRYPTO" option. v3: use 'info->extack' for a message emitted due to netlink operations instead (- David's comment). Reported-by:
kernel test robot <lkp@intel.com> Acked-by:
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Tuong Lien authored
In addition to the supported cluster & per-node encryption keys for the en/decryption of TIPC messages, we now introduce one option for user to set a cluster key as 'master key', which is simply a symmetric key like the former but has a longer life cycle. It has two purposes: - Authentication of new member nodes in the cluster. New nodes, having no knowledge of current session keys in the cluster will still be able to join the cluster as long as they know the master key. This is because all neighbor discovery (LINK_CONFIG) messages must be encrypted with this key. - Encryption of session encryption keys during automatic exchange and update of those.This is a feature we will introduce in a later commit in this series. We insert the new key into the currently unused slot 0 in the key array and start using it immediately once the user has set it. After joining, a node only knowing the master key should be fully communicable to existing nodes in the cluster, although those nodes may have their own session keys activated (i.e. not the master one). To support this, we define a 'grace period', starting from the time a node itself reports having no RX keys, so the existing nodes will use the master key for encryption instead. The grace period can be extended but will automatically stop after e.g. 5 seconds without a new report. This is also the basis for later key exchanging feature as the new node will be impossible to decrypt anything without the support from master key. For user to set a master key, we define a new netlink flag - 'TIPC_NLA_NODE_KEY_MASTER', so it can be added to the current 'set key' netlink command to specify the setting key to be a master key. Above all, the traditional cluster/per-node key mechanism is guaranteed to work when user comes not to use this master key option. This is also compatible to legacy nodes without the feature supported. Even this master key can be updated without any interruption of cluster connectivity but is so is needed, this has to be coordinated and set by the user. Acked-by:
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Tuong Lien authored
We reduce the lasting time for a pending TX key to be active as well as for a passive RX key to be freed which generally helps speed up the key switching. It is not expected to be too fast but should not be too slow either. Also the key handling logic is simplified that a pending RX key will be removed automatically if it is found not working after a number of times; the probing for a pending TX key is now carried on a specific message user ('LINK_PROTOCOL' or 'LINK_CONFIG') which is more efficient than using a timer on broadcast messages, the timer is reserved for use later as needed. The kernel logs or 'pr***()' are now made as clear as possible to user. Some prints are added, removed or changed to the debug-level. The 'TIPC_CRYPTO_DEBUG' definition is removed, and the 'pr_debug()' is used instead which will be much helpful in runtime. Besides we also optimize the code in some other places as a preparation for later commits. v2: silent more kernel logs, also use 'info->extack' for a message emitted due to netlink operations instead (- David's comments). Acked-by: -
David S. Miller authored
Shannon Nelson says: ==================== ionic: add devlink dev flash support Add support for using devlink's dev flash facility to update the firmware on an ionic device, and add a new timeout parameter to the devlink flash netlink message. For long-running flash commands, we add a timeout element to the dev flash notify message in order for a userland utility to display a timeout deadline to the user. This allows the userland utility to display a count down to the user when a firmware update action is otherwise going to go for ahile without any updates. An example use is added to the netdevsim module. The ionic driver uses this timeout element in its new flash function. The driver uses a simple model of pushing the firmware file to the NIC, asking the NIC to unpack and install the file into the device, and then selecting it for the next boot. If any of these steps fail, the whole transaction is failed. A couple of the steps can take a long time, so we use the timeout status message rather than faking it with bogus done/total messages. The driver doesn't currently support doing these steps individually. In the future we want to be able to list the FW that is installed and selectable but we don't yet have the API to fully support that. v5: pulled the cmd field back out of the new params struct changed netdevsim example message to "Flash select" v4: Added a new devlink status notify message for showing timeout information, and modified the ionic fw update to use it for its long running firmware commands. v3: Changed long dev_cmd timeout on status check calls to a loop around calls with a normal timeout, which allows for more intermediate log messaging when in a long wait, and for letting other threads run dev_cmds if waiting. v2: Changed "Activate" to "Select" in status messages. ==================== Signed-off-by: -
Shannon Nelson authored
Add support for firmware update through the devlink interface. This update copies the firmware object into the device, asks the current firmware to install it, then asks the firmware to select the new firmware for the next boot-up. The install and select steps are launched as asynchronous requests, which are then followed up with status request commands. These status request commands will be answered with an EAGAIN return value and will try again until the request has completed or reached the timeout specified. Signed-off-by:
Shannon Nelson <snelson@pensando.io> Acked-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
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Shannon Nelson authored
Add the rest of the firmware api bits needed to support the driver running a firmware update. Signed-off-by:
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Shannon Nelson authored
Add a simple devlink flash timeout message to exercise the message mechanism. Signed-off-by:
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Shannon Nelson authored
The dev flash status notify function parameter lists are getting rather long, so add a struct to be filled and passed rather than continuously changing the function signatures. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Reviewed-by:
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Shannon Nelson authored
Add a timeout element to the DEVLINK_CMD_FLASH_UPDATE_STATUS netlink message for use by a userland utility to show that a particular firmware flash activity may take a long but bounded time to finish. Also add a handy helper for drivers to make use of the new timeout value. UI usage hints: - if non-zero, add timeout display to the end of the status line [component] status_msg ( Xm Ys : Am Bs ) using the timeout value for Am Bs and updating the Xm Ys every second - if the timeout expires while awaiting the next update, display something like [component] status_msg ( timeout reached : Am Bs ) - if new status notify messages are received, remove the timeout and start over Signed-off-by: -
Francesco Ruggeri authored
The combination of aca_free_rcu, introduced in commit 2384d025 ("net/ipv6: Add anycast addresses to a global hashtable"), and fib6_info_destroy_rcu, introduced in commit 9b0a8da8 ("net/ipv6: respect rcu grace period before freeing fib6_info"), can result in an extra rcu grace period being needed when deleting an interface, with the result that netdev_wait_allrefs ends up hitting the msleep(250), which is considerably longer than the required grace period. This can result in long delays when deleting a large number of interfaces, and it can be observed with this script: ns=dummy-ns NIFS=100 ip netns add $ns ip netns exec $ns ip link set lo up ip netns exec $ns sysctl net.ipv6.conf.default.disable_ipv6=0 ip netns exec $ns sysctl net.ipv6.conf.default.forwarding=1 for ((i=0; i<$NIFS; i++)) do if=eth$i ip netns exec $ns ip link add $if type dummy ip netns exec $ns ip link set $if up ip netns exec $ns ip -6 addr add 2021:$i::1/120 dev $if done for ((i=0; i<$NIFS; i++)) do if=eth$i ip netns exec $ns ip link del $if done ip netns del $ns Instead of using a fixed msleep(250), this patch tries an extra rcu_barrier() followed by an exponential backoff. Time with this patch on a 5.4 kernel: real 0m7.704s user 0m0.385s sys 0m1.230s Time without this patch: real 0m31.522s user 0m0.438s sys 0m1.156s v2: use exponential backoff instead of trying to wake up netdev_wait_allrefs. v3: preserve reverse christmas tree ordering of local variables v4: try an extra rcu_barrier before the backoff, plus some cosmetic changes. Signed-off-by:
Francesco Ruggeri <fruggeri@arista.com> Reviewed-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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Paolo Abeni authored
Christoph reported an infinite loop in the subflow receive path under stress condition. If there are multiple subflows, each of them using a large send buffer, the delta between the sequence number used by MPTCP-level retransmission can and the current msk->ack_seq can be greater than MAX_INT. In the above scenario, when calling mptcp_subflow_discard_data(), such delta will be truncated to int, and could result in a negative number: no bytes will be dropped, and subflow_check_data_avail() will try again to process the same packet, looping forever. This change addresses the issue by expanding the 'limit' size to 64 bits, so that overflows are not possible anymore. Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/87 Fixes: 6719331c ("mptcp: trigger msk processing even for OoO data") Reported-and-tested-by:
Christoph Paasch <cpaasch@apple.com> Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Reviewed-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by:
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Ursula Braun authored
If smc_listen_rmda_finish() returns with an error, the storage addressed by 'buf' is freed a second time. Consolidate freeing under a common label and jump to that label. Fixes: 6bb14e48 ("net/smc: dynamic allocation of CLC proposal buffer") Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
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Shannon Nelson authored
>> ld.lld: error: undefined symbol: net_dim_get_rx_moderation >>> referenced by ionic_lif.c:52 (drivers/net/ethernet/pensando/ionic/ionic_lif.c:52) >>> net/ethernet/pensando/ionic/ionic_lif.o:(ionic_dim_work) in archive drivers/built-in.a >> ld.lld: error: undefined symbol: net_dim >>> referenced by ionic_txrx.c:456 (drivers/net/ethernet/pensando/ionic/ionic_txrx.c:456) >>> net/ethernet/pensando/ionic/ionic_txrx.o:(ionic_dim_update) in archive drivers/built-in.a v2: removed sketchy dashes in commit message Fixes: 04a83459 ("ionic: dynamic interrupt moderation") Reported-by:
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Jakub Kicinski authored
We removed the misleading comments from struct rtnl_link_stats64 when we added proper kdoc. struct rtnl_link_stats has the same inline comments, so remove them, too. Signed-off-by:
Saeed Mahameed <saeedm@nvidia.com> Signed-off-by:
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Andrew Lunn authored
This driver makes use of devm_mdiobus_alloc_size. To ensure this is available select MDIO_DEVRES which provides it. Signed-off-by:
Andrew Lunn <andrew@lunn.ch> Reported-by:
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David Ahern authored
IPPROTO_IP (0) is not valid for raw sockets. Default the protocol for raw sockets to IPPROTO_RAW if the protocol has not been set via the -P option. Signed-off-by:
David Ahern <dsahern@kernel.org> Signed-off-by:
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Qinglang Miao authored
Signed-off-by:
Qinglang Miao <miaoqinglang@huawei.com> Reviewed-by:
Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by:
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Qinglang Miao authored
Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code. Signed-off-by:
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David S. Miller authored
Ido Schimmel says: ==================== mlxsw: Support dcbnl_setbuffer, dcbnl_getbuffer Petr says: On Spectrum, port buffers, also called port headroom, is where packets are stored while they are parsed and the forwarding decision is being made. For lossless traffic flows, in case shared buffer admission is not allowed, headroom is also where to put the extra traffic received before the sent PAUSE takes effect. Linux supports two DCB interfaces related to the headroom: dcbnl_setbuffer for configuration, and dcbnl_getbuffer for inspection. This patch set implements them. With dcbnl_setbuffer in place, there will be two sources of authority over the ingress configuration: the DCB ETS hook, because ETS configuration is mirrored to ingress, and the DCB setbuffer hook. mlxsw is in a similar situation on the egress side, where there are two sources of the ETS configuration: the DCB ETS hook, and the TC qdisc hooks. This is a non-intuitive situation, because the way the ASIC ends up being configured depends not only on the actual configured bits, but also on the order in which they were configured. To prevent these issues on the ingress side, two configuration modes will exist: DCB mode and TC mode. DCB ETS will keep getting projected to ingress in the (default) DCB mode. When a qdisc is installed on a port, it will be switched to the TC mode, the ingress configuration will be done through the dcbnl_setbuffer callback. The reason is that the dcbnl_setbuffer hook is not standardized and supported by lldpad. Projecting DCB ETS configuration to ingress is a reasonable heuristic to configure ingress especially when PFC is in effect. In patch #1, the toggle between the DCB and TC modes of headroom configuration, described above, is introduced. Patch #2 implements dcbnl_getbuffer and dcbnl_setbuffer. dcbnl_getbuffer can be always used to determine the current port headroom configuration. dcbnl_setbuffer is only permitted in the TC mode. In patch #3, make the qdisc module toggle the headroom mode from DCB to TC and back, depending on whether there is an offloaded qdisc on the port. ==================== Signed-off-by: -
Petr Machata authored
There are two interfaces to configure ETS: qdiscs and DCB. Historically, DCB ETS configuration was projected to ingress as well, and configured port buffers. Qdisc was not. Keep qdiscs behaving this way, and if an offloaded qdisc is configured on a port, move this port's headroom to a manual mode, thus allowing configuration of port buffers through dcbnl_setbuffer. Signed-off-by:
Petr Machata <petrm@nvidia.com> Reviewed-by:
Jiri Pirko <jiri@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
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Petr Machata authored
Add dcbnl_setbuffer, which bounces requests if a headroom is in DCB mode. Implement dcbnl_getbuffer such that it can always be used to determine port-buffer configuration, regardless of headroom mode. Signed-off-by:
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Petr Machata authored
There are two interfaces to configure ETS: qdiscs and DCB. Historically, DCB ETS configuration was projected to ingress as well, and configured port buffers. Qdisc was not. So as not to break clients that today use DCB ETS and PFC and rely on getting a reasonable ingress buffer priomap, keep the ETS mirroring in effect. Since qdiscs have not done this mirroring historically, it is reasonable not to introduce it, but rather permit manual ingress configuration through dcbnl_setbuffer only in the qdisc mode. This will require a toggle to indicate whether buffer sizes should be autocomputed or taken from dcbnl_setbuffer, and likewise for priomaps. Introduce such and initialize it, and guard port buffer size configuration as appropriate. The toggle is currently left in the DCB position. In a following patch, qdisc code will switch it. Signed-off-by:
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- 17 Sep, 2020 7 commits
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Yang Yingliang authored
It's hard to read the code without spaces around '&', for better reading, add spaces around '&'. Signed-off-by:
Yang Yingliang <yangyingliang@huawei.com> Signed-off-by:
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YueHaibing authored
There is no callers in tree, so can remove it. Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Reviewed-by:
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Ye Bin authored
Fixes coccicheck warnig: net/mptcp/protocol.c:164:11-18: WARNING: Unsigned expression compared with zero: max_seq > 0 Fixes: ab174ad8 ("mptcp: move ooo skbs into msk out of order queue") Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Ye Bin <yebin10@huawei.com> Acked-by:
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David S. Miller authored
Merge branch 'net-marvell-prestera-Add-Switchdev-driver-for-Prestera-family-ASIC-device-98DX3255-AC3x' Vadym Kochan says: ==================== net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX3255 (AC3x) Marvell Prestera 98DX3255 integrates up to 24 ports of 1GbE with 8 ports of 10GbE uplinks or 2 ports of 40Gbps stacking for a largely wireless SMB deployment. Prestera Switchdev is a firmware based driver that operates via PCI bus. The current implementation supports only boards designed for the Marvell Switchdev solution and requires special firmware. This driver implementation includes only L1, basic L2 support, and RX/TX. The core Prestera switching logic is implemented in prestera_main.c, there is an intermediate hw layer between core logic and firmware. It is implemented in prestera_hw.c, the purpose of it is to encapsulate hw related logic, in future there is a plan to support more devices with different HW related configurations. The following Switchdev features are supported: - VLAN-aware bridge offloading - VLAN-unaware bridge offloading - FDB offloading (learning, ageing) - Switchport configuration The original firmware image is uploaded to the linux-firmware repository. PATCH v9: 1) Replace read_poll_timeout_atomic() by original 'do {} while()' loop because it works much better than read_poll_timeout_atomic() considering the TX rate. Also it fixes warning reported on v8. 2) Use ENOENT instead of EEXIST when item is not found in few places - prestera_hw.c and prestera_rxtx.c Patches updated: [1] net: marvell: prestera: Add driver for Prestera family ASIC devices PATCH v8: 1) Put license in one line. 2) Sort includes. 3) Add missing comma for last enum member 4) Return original error code from last called func in places where instead other error code was used. 5) Add comma for last member in initialized struct in prestera_hw.c 6) Do not initialize 'int err = 0' where it is not needed. 7) Simplify device-tree "marvell,prestera" node parsing by removing not needed checking on 'np == NULL'. 8) Use u32p_replace_bits() instead of open-coded ((word & ~mask) | val) 9) Use dev_warn_ratelimited() instead of pr_warn_ratelimited to indicate the device instance in prestera_rxtx.c 10) Simplify circular buffer list creation in prestera_sdma_{rx,tx}_init() by using do { } while (prev != tail) construction. 11) Use MSEC_PER_SEC instead of hard-coded 1000. 12) Use traditional error handling pattern: err = F(); if (err) return err; 13) Use ether_addr_copy() instead of memcpy() for mac FDB copying in prestera_hw.c 14) Drop swdev->ageing_time member which is not used. 15) Fix ageing macro to be in ms instead of seconds. Patches updated: [1] net: marvell: prestera: Add driver for Prestera family ASIC devices [2] net: marvell: prestera: Add PCI interface support [3] net: marvell: prestera: Add basic devlink support [4] net: marvell: prestera: Add ethtool interface support [5] net: marvell: prestera: Add Switchdev driver implementation PATCH v7: 1) Use ether_addr_copy() in prestera_main.c:prestera_port_set_mac_address() instead of memcpy(). 2) Removed not needed device's DMA address range check on dma_pool_alloc() in prestera_rxtx.c:prestera_sdma_buf_init(), this should be handled by dma_xxx() API considerig device's DMA mask. 3) Removed not needed device's DMA address range check on dma_map_single() in prestera_rxtx.c:prestera_sdma_rx_skb_alloc(), this should be handled by dma_xxx() API considerig device's DMA mask. 4) Add comment about port mac address limitation in the code where it is used and checked - prestera_main.c: - prestera_is_valid_mac_addr() - prestera_port_create() 5) Add missing destroy_workqueue(swdev_wq) in prestera_switchdev.c:prestera_switchdev_init() on error path handling. Patches updated: [1] net: marvell: prestera: Add driver for Prestera family ASIC devices [5] net: marvell: prestera: Add Switchdev driver implementation PATCH v6: 1) Use rwlock to protect port list on create/delete stages. The list is mostly readable by fw event handler or packets receiver, but updated only on create/delete port which are performed on switch init/fini stages. 2) Remove not needed variable initialization in prestera_dsa.c:prestera_dsa_parse() 3) Get rid of bounce buffer used by tx handler in prestera_rxtx.c, the bounce buffer should be handled by dma_xxx API via swiotlb. 4) Fix PRESTERA_SDMA_RX_DESC_PKT_LEN macro by using correct GENMASK(13, 0) in prestera_rxtx.c Patches updated: [1] net: marvell: prestera: Add driver for Prestera family ASIC devices PATCH v5: 0) add Co-developed tags for people who was involved in development. 1) Make SPDX license as separate comment 2) Change 'u8 *' -> 'void *', It allows to avoid not-needed u8* casting. 3) Remove "," in terminated enum's. 4) Use GENMASK(end, start) where it is applicable in. 5) Remove not-needed 'u8 *' casting. 6) Apply common error-check pattern 7) Use ether_addr_copy instead of memcpy 8) Use define for maximum MAC address range (255) 9) Simplify prestera_port_state_set() in prestera_main.c by using separate if-blocks for state setting: if (is_up) { ... } else { ... } which makes logic more understandable. 10) Simplify sdma tx wait logic when checking/updating tx_ring->burst. 11) Remove not-needed packed & aligned attributes 12) Use USEC_PER_MSEC as multiplier when converting ms -> usec on calling readl_poll_timeout. 13) Simplified some error path handling by simple return error code in. 14) Remove not-needed err assignment in. 15) Use dev_err() in prestera_devlink_register(...). Patches updated: [1] net: marvell: prestera: Add driver for Prestera family ASIC devices [2] net: marvell: prestera: Add PCI interface support [3] net: marvell: prestera: Add basic devlink support [4] net: marvell: prestera: Add ethtool interface support [5] net: marvell: prestera: Add Switchdev driver implementation PATCH v4: 1) Use prestera_ prefix in netdev_ops variable. 2) Kconfig: use 'default PRESTERA' build type for CONFIG_PRESTERA_PCI to be synced by default with prestera core module. 3) Use memcpy_xxio helpers in prestera_pci.c for IO buffer copying. 4) Generate fw image path via snprintf() instead of macroses. 5) Use pcim_ helpers in prestera_pci.c which simplified the probe/remove logic. 6) Removed not needed initializations of variables which are used in readl_poll_xxx() helpers. 7) Fixed few grammar mistakes in patch[2] description. 8) Export only prestera_ethtool_ops struct instead of each ethtool handler. 9) Add check for prestera_dev_check() in switchdev event handling to make sure there is no wrong topology. Patches updated: [1] net: marvell: prestera: Add driver for Prestera family ASIC devices [2] net: marvell: prestera: Add PCI interface support [4] net: marvell: prestera: Add ethtool interface support [5] net: marvell: prestera: Add Switchdev driver implementation PATCH v3: 1) Simplify __be32 type casting in prestera_dsa.c 2) Added per-patch changelog under "---" line. PATCH v2: 1) Use devlink_port_type_clear() 2) Add _MS prefix to timeout defines. 3) Remove not-needed packed attribute from the firmware ipc structs, also the firmware image needs to be uploaded too (will do it soon). 4) Introduce prestera_hw_switch_fini(), to be mirrored with init and do simple validation if the event handlers are unregistered. 5) Use kfree_rcu() for event handler unregistering. 6) Get rid of rcu-list usage when dealing with ports, not needed for now. 7) Little spelling corrections in the error/info messages. 8) Make pci probe & remove logic mirrored. 9) Get rid of ETH_FCS_LEN in headroom setting, not needed. PATCH: 1) Fixed W=1 warnings 2) Renamed PCI driver name to be more generic "Prestera DX" because there will be more devices supported. 3) Changed firmware image dir path: marvell/ -> mrvl/prestera/ to be aligned with location in linux-firmware.git (if such will be accepted). RFC v3: 1) Fix prestera prefix in prestera_rxtx.c 2) Protect concurrent access from multiple ports on multiple CPU system on tx path by spinlock in prestera_rxtx.c 3) Try to get base mac address from device-tree, otherwise use a random generated one. 4) Move ethtool interface support into separate prestera_ethtool.c file. 5) Add basic devlink support and get rid of physical port naming ops. 6) Add STP support in Switchdev driver. 7) Removed MODULE_AUTHOR 8) Renamed prestera.c -> prestera_main.c, and kernel module to prestera.ko RFC v2: 1) Use "pestera_" prefix in struct's and functions instead of mvsw_pr_ 2) Original series split into additional patches for Switchdev ethtool support. 3) Use major and minor firmware version numbers in the firmware image filename. 4) Removed not needed prints. 5) Use iopoll API for waiting on register's value in prestera_pci.c 6) Use standart approach for describing PCI ID matching section instead of using custom wrappers in prestera_pci.c 7) Add RX/TX support in prestera_rxtx.c. 8) Rewritten prestera_switchdev.c with following changes: - handle netdev events from prestera.c - use struct prestera_bridge for bridge objects, and get rid of struct prestera_bridge_device which may confuse. - use refcount_t 9) Get rid of macro usage for sending fw requests in prestera_hw.c 10) Add base_mac setting as module parameter. base_mac is required for generation default port's mac. ==================== Signed-off-by: -
Vadym Kochan authored
Add brief description how to configure base mac address binding in device-tree. Describe requirement for the PCI port which is connected to the ASIC, to allow access to the firmware related registers. Signed-off-by:
Vadym Kochan <vadym.kochan@plvision.eu> Signed-off-by:
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Vadym Kochan authored
The following features are supported: - VLAN-aware bridge offloading - VLAN-unaware bridge offloading - FDB offloading (learning, ageing) - Switchport configuration Currently there are some limitations like: - Only 1 VLAN-aware bridge instance supported - FDB ageing timeout parameter is set globally per device Co-developed-by:Serhiy Boiko <serhiy.boiko@plvision.eu> Signed-off-by:
Serhiy Pshyk <serhiy.pshyk@plvision.eu> Signed-off-by:
Taras Chornyi <taras.chornyi@plvision.eu> Signed-off-by:
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Vadym Kochan authored
The ethtool API provides support for the configuration of the following features: speed and duplex, auto-negotiation, MDI-x, forward error correction, port media type. The API also provides information about the port status, hardware and software statistic. The following limitation exists: - port media type should be configured before speed setting - ethtool -m option is not supported - ethtool -p option is not supported - ethtool -r option is supported for RJ45 port only - the following combination of parameters is not supported: ethtool -s sw1pX port XX autoneg on - forward error correction feature is supported only on SFP ports, 10G speed - auto-negotiation and MDI-x features are not supported on Copper-to-Fiber SFP module Co-developed-by:Andrii Savka <andrii.savka@plvision.eu> Signed-off-by:
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