- May 09, 2022
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Haijun Liu authored
Enables runtime power management callbacks including runtime_suspend and runtime_resume. Autosuspend is used to prevent overhead by frequent wake-ups. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Eliot Lee <eliot.lee@intel.com> Signed-off-by:
Eliot Lee <eliot.lee@intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Implements suspend, resumes, freeze, thaw, poweroff, and restore `dev_pm_ops` callbacks. From the host point of view, the t7xx driver is one entity. But, the device has several modules that need to be addressed in different ways during power management (PM) flows. The driver uses the term 'PM entities' to refer to the 2 DPMA and 2 CLDMA HW blocks that need to be managed during PM flows. When a dev_pm_ops function is called, the PM entities list is iterated and the matching function is called for each entry in the list. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Creates the Cross Core Modem Network Interface (CCMNI) which implements the wwan_ops for registration with the WWAN framework, CCMNI also implements the net_device_ops functions used by the network device. Network device operations include open, close, start transmission, TX timeout and change MTU. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Co-developed-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Data Path Modem AP Interface (DPMAIF) HIF layer provides methods for initialization, ISR, control and event handling of TX/RX flows. DPMAIF TX Exposes the 'dmpaif_tx_send_skb' function which can be used by the network device to transmit packets. The uplink data management uses a Descriptor Ring Buffer (DRB). First DRB entry is a message type that will be followed by 1 or more normal DRB entries. Message type DRB will hold the skb information and each normal DRB entry holds a pointer to the skb payload. DPMAIF RX The downlink buffer management uses Buffer Address Table (BAT) and Packet Information Table (PIT) rings. The BAT ring holds the address of skb data buffer for the HW to use, while the PIT contains metadata about a whole network packet including a reference to the BAT entry holding the data buffer address. The driver reads the PIT and BAT entries written by the modem, when reaching a threshold, the driver will reload the PIT and BAT rings. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Data Path Modem AP Interface (DPMAIF) HW layer provides HW abstraction for the upper layer (DPMAIF HIF). It implements functions to do the HW configuration, TX/RX control and interrupt handling. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Chandrashekar Devegowda authored
Adds AT and MBIM ports to the port proxy infrastructure. The initialization method is responsible for creating the corresponding ports using the WWAN framework infrastructure. The implemented WWAN port operations are start, stop, and TX. Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Control Port implements driver control messages such as modem-host handshaking, controls port enumeration, and handles exception messages. The handshaking process between the driver and the modem happens during the init sequence. The process involves the exchange of a list of supported runtime features to make sure that modem and host are ready to provide proper feature lists including port enumeration. Further features can be enabled and controlled in this handshaking process. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Port-proxy provides a common interface to interact with different types of ports. Ports export their configuration via `struct t7xx_port` and operate as defined by `struct port_ops`. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Co-developed-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Registers the t7xx device driver with the kernel. Setup all the core components: PCIe layer, Modem Host Cross Core Interface (MHCCIF), modem control operations, modem state machine, and build infrastructure. * PCIe layer code implements driver probe and removal. * MHCCIF provides interrupt channels to communicate events such as handshake, PM and port enumeration. * Modem control implements the entry point for modem init, reset and exit. * The modem status monitor is a state machine used by modem control to complete initialization and stop. It is used also to propagate exception events reported by other components. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Haijun Liu authored
Cross Layer DMA (CLDMA) Hardware interface (HIF) enables the control path of Host-Modem data transfers. CLDMA HIF layer provides a common interface to the Port Layer. CLDMA manages 8 independent RX/TX physical channels with data flow control in HW queues. CLDMA uses ring buffers of General Packet Descriptors (GPD) for TX/RX. GPDs can represent multiple or single data buffers (DB). CLDMA HIF initializes GPD rings, registers ISR handlers for CLDMA interrupts, and initializes CLDMA HW registers. CLDMA TX flow: 1. Port Layer write 2. Get DB address 3. Configure GPD 4. Triggering processing via HW register write CLDMA RX flow: 1. CLDMA HW sends a RX "done" to host 2. Driver starts thread to safely read GPD 3. DB is sent to Port layer 4. Create a new buffer for GPD ring Note: This patch does not enable compilation since it has dependencies such as t7xx_pcie_mac_clear_int()/t7xx_pcie_mac_set_int() and struct t7xx_pci_dev which are added by the core patch. Signed-off-by:
Haijun Liu <haijun.liu@mediatek.com> Signed-off-by:
Chandrashekar Devegowda <chandrashekar.devegowda@intel.com> Co-developed-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Reviewed-by:
Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ricardo Martinez authored
Helper to calculate the linear data space in the skb. Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ricardo Martinez authored
Add macros to get the next or previous entries and wraparound if needed. For example, calling list_next_entry_circular() on the last element should return the first element in the list. Signed-off-by:
Ricardo Martinez <ricardo.martinez@linux.intel.com> Reviewed-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.open-mesh.org/linux-mergeDavid S. Miller authored
This cleanup patchset includes the following patches: - bump version strings, by Simon Wunderlich - remove unnecessary type castings, by Yu Zhe Signed-off-by:
David S. Miller <davem@davemloft.net>
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- May 08, 2022
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David S. Miller authored
Ido Schimmel says: ==================== mlxsw: A dedicated notifier block for router code Petr says: Currently all netdevice events are handled in the centralized notifier handler maintained by spectrum.c. Since a number of events are involving router code, spectrum.c needs to dispatch them to spectrum_router.c. The spectrum module therefore needs to know more about the router code than it should have, and there is are several API points through which the two modules communicate. In this patchset, move bulk of the router-related event handling to the router code. Some of the knowledge has to stay: spectrum.c cannot veto events that the router supports, and vice versa. But beyond that, the two can ignore each other's details, which leads to more focused and simpler code. As a side effect, this fixes L3 HW stats support on tunnel netdevices. The patch set progresses as follows: - In patch #1, change spectrum code to not bounce L3 enslavement, which the router code supports. - In patch #2, add a new do-nothing notifier block to the router code. - In patches #3-#6, move router-specific event handling to the router module. In patch #7, clean up a comment. - In patch #8, use the advantage that all router event handling is in the router code and clean up taking router lock. - mlxsw supports L3 HW stats on tunnels as of this patchset. Patches #9 and #10 therefore add a selftest for L3 HW stats support on tunnels. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
Add a selftest that uses an IPIP topology and tests that L3 HW stats reflect the traffic in the tunnel. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
The function get_l3_stats() from the test hw_stats_l3.sh will be useful for any test that wishes to work with L3 stats. Furthermore, it is easy to generalize to other HW stats suites (for when such are added). Therefore, move the code to lib.sh, rewrite it to have the same interface as the other stats-collecting functions, and generalize to take the name of the HW stats suite to collect as an argument. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
For notifications that the router needs to handle, router lock is taken. Further, at least to determine whether an event is related to a tunnel underlay, router lock also needs to be taken. Due to this, the router lock is always taken for each unhandled event, and also for some handled events, even if they are not related to underlay. Thus each event implies at least one router lock, sometimes two. Instead of deferring the locking to the leaf handlers, take the lock in the router notifier handler always. This simplifies thinking about the locking state, and in some cases saves one lock cycle. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
The position of netdevice notifier registration no longer depends on the router initialization, because the event handler no longer dispatches to the router code. Update the comment at the registration to that effect. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
The events related to IPIP tunnels are handled by the router code. Move the handling from the central dispatcher in spectrum.c to the new notifier handler in the router module. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
The events NETDEV_PRE_CHANGEADDR, NETDEV_CHANGEADDR and NETDEV_CHANGEMTU have implications for in-ASIC router interface objects, and as such are handled in the router module. Move the handling from the central dispatcher in spectrum.c to the new notifier handler in the router module. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
L3 HW stats are implemented in mlxsw as RIF counters, and therefore the code resides in spectrum_router. Exclude the offload xstats events from the mlxsw_sp_netdevice_event_is_router() predicate, and instead recreate the glue code in the router module. Previously, the order of dispatch was that for events on tunnels, a dedicated handler was called, which however did not handle HW stats events. But there is nothing special about tunnel devices as far as HW stats: there is a RIF associated with the tunnel netdevice, and that RIF is where the counter should be installed. Therefore now, HW stats events are tested first, independent of netdevice type. The upshot is that as of this commit, mlxsw supports L3 HW stats work on GRE tunnels. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
Events involving VRF, as L3 concern, are handled in the router code, by the helper mlxsw_sp_netdevice_vrf_event(). The handler is currently invoked from the centralized dispatcher in spectrum.c. Instead, move the call to the newly-introduced router-specific notifier handler. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
Currently all netdevice events are handled in the centralized notifier handler maintained by spectrum.c. Since a number of events are involving router code, spectrum.c needs to dispatch them to spectrum_router.c. The spectrum module therefore needs to know more about the router code than it should have, and there is are several API points through which the two modules communicate. To simplify the notifier handlers, introduce a new notifier into the router module. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Petr Machata authored
Enslaving netdevices to VRF is currently handled through an mlxsw_sp_is_vrf_event() conditional in mlxsw_sp_netdevice_event(). In the following patch sets, VRF enslavement will be handled purely in the router code. Therefore make handlers of NETDEV_PRECHANGEUPPER tolerant of enslaving to VRF, so that they do not bounce the change. For NETDEV_CHANGEUPPER, drop the WARN_ON(1) and bounce from mlxsw_sp_netdevice_port_vlan_event(). This is the only handler that warned and bounces even in the CHANGEUPPER code, other handler quietly do nothing when they encounter an unfamiliar upper. Signed-off-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Jakub Kicinski says: ==================== net: switch drivers to netif_napi_add_weight() The minority of drivers pass a custom weight to netif_napi_add(). Switch those away to the new netif_napi_add_weight(). All drivers (which can go thru net-next) calling netif_napi_add() will now be calling it with NAPI_POLL_WEIGHT or 64. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
A handful of WAN drivers use custom napi weights, switch them to the new API. Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
virtio netdev driver uses a custom napi weight, switch to the new API for setting custom weight. Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Reviewed-by:
Xuan Zhuo <xuanzhuo@linux.alibaba.com> Acked-by:
Jason Wang <jasowang@redhat.com> Acked-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
r8152 uses a custom napi weight, switch to the new API for setting custom weight. Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
Switch all Ethernet drivers which use custom napi weights to the new API. Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
caif_virtio uses a custom napi weight, switch to the new API for setting custom weights. Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Acked-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
UM's netdev driver uses a custom napi weight, switch to the new API for setting custom weight. Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- May 07, 2022
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Jakub Kicinski authored
Vladimir Oltean says: ==================== Simplify migration of host filtered addresses in Felix driver The purpose of this patch set is to remove the functions dsa_port_walk_fdbs() and dsa_port_walk_mdbs() from the DSA core, which were introduced when the Felix driver gained support for unicast filtering on standalone ports. They get called when changing the tagging protocol back and forth between "ocelot" and "ocelot-8021q". I did not realize we could get away without having them. The patch set was regression-tested using the local_termination.sh selftest using both tagging protocols. ==================== Link: https://lore.kernel.org/r/20220505162213.307684-1-vladimir.oltean@nxp.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
All the users of these functions are gone, delete them before they gain new ones. Signed-off-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
The felix driver is the only user of dsa_port_walk_mdbs(), and there isn't even a good reason for it, considering that the host MDB entries are already saved by the ocelot switch lib in the ocelot->multicast list. Rewrite the multicast entry migration procedure around the ocelot->multicast list so we can delete dsa_port_walk_mdbs(). Signed-off-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
I just realized we don't need to migrate the host-filtered FDB entries when the tagging protocol changes from "ocelot" to "ocelot-8021q". Host-filtered addresses are learned towards the PGID_CPU "multicast" port group, reserved by software, which contains BIT(ocelot->num_phys_ports). That is the "special" port entry in the analyzer block for the CPU port module. In "ocelot" mode, the CPU port module's packets are redirected to the NPI port. In "ocelot-8021q" mode, felix_8021q_cpu_port_init() does something funny anyway, and changes PGID_CPU to stop pointing at the CPU port module and start pointing at the physical port where the DSA master is attached. The fact that we can alter the destination of packets learned towards PGID_CPU without altering the MAC table entries themselves means that it is pointless to walk through the FDB entries, forget that they were learned towards PGID_CPU, and re-learn them towards the "unicast" PGID associated with the physical port connected to the DSA master. We can let the PGID_CPU value change simply alter the destination of the host-filtered unicast packets in one fell swoop. Signed-off-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Vladimir Oltean authored
ocelot_fdb_add() redirects FDB entries installed on the NPI port towards the special reserved PGID_CPU used for host-filtered addresses. PGID_CPU contains BIT(ocelot->num_phys_ports) in the destination port mask, which is code name for the CPU port module. Whereas felix_migrate_fdbs_to_*_port() uses the ocelot->num_phys_ports PGID directly, and it appears that this works too. Even if this PGID is set to zero, apparently its number is special and packets still reach the CPU port module. Nonetheless, in the end, these addresses end up in the same place regardless of whether they go through an extra indirection layer or not. Use PGID_CPU across to have more uniformity. Signed-off-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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David Thompson authored
This patch increases the polling rate used by the mlxbf_gige driver on the MDIO bus. The previous polling rate was every 100us, and the new rate is every 5us. With this change the amount of time spent waiting for the MDIO BUSY signal to de-assert drops from ~100us to ~27us for each operation. Signed-off-by:
David Thompson <davthompson@nvidia.com> Signed-off-by:
Asmaa Mnebhi <asmaa@nvidia.com> Link: https://lore.kernel.org/r/20220505162309.20050-1-davthompson@nvidia.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queueJakub Kicinski authored
Tony Nguyen says: ==================== 10GbE Intel Wired LAN Driver Updates 2022-05-05 This series contains updates to ixgbe and igb drivers. Jeff Daly adjusts type for 'allow_unsupported_sfp' to match the associated struct value for ixgbe. Alaa Mohamed converts, deprecated, kmap() call to kmap_local_page() for igb. * '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: igb: Convert kmap() to kmap_local_page() ixgbe: Fix module_param allow_unsupported_sfp type ==================== Link: https://lore.kernel.org/r/20220505155651.2606195-1-anthony.l.nguyen@intel.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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- May 06, 2022
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David S. Miller authored
Jakub Kicinski says: ==================== net: disambiguate the TSO and GSO limits This series separates the device-reported TSO limitations from the user space-controlled GSO limits. It used to be that we only had the former (HW limits) but they were named GSO. This probably lead to confusion and letting user override them. The problem came up in the BIG TCP discussion between Eric and Alex, and seems like something we should address. Targeting net-next because (a) nobody is reporting problems; and (b) there is a tiny but non-zero chance that some actually wants to lift the HW limitations. ==================== Reviewed-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jakub Kicinski authored
These are now internal to the core, no need to expose them. Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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