aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c (follow)
AgeCommit message (Collapse)AuthorFilesLines
2022-11-04octeontx2-pf: NIX TX overwrites SQ_CTX_HW_S[SQ_INT]Ratheesh Kannoth1-30/+105
In scenarios where multiple errors have occurred for a SQ before SW starts handling error interrupt, SQ_CTX[OP_INT] may get overwritten leading to NIX_LF_SQ_OP_INT returning incorrect value. To workaround this read LMT, MNQ and SQ individual error status registers to determine the cause of error. Fixes: 4ff7d1488a84 ("octeontx2-pf: Error handling support") Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com> Reviewed-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-10-10octeontx2-pf: mcs: fix possible memory leak in otx2_probe()Yang Yingliang1-1/+3
In error path after calling cn10k_mcs_init(), cn10k_mcs_free() need be called to avoid memory leak. Fixes: c54ffc73601c ("octeontx2-pf: mcs: Introduce MACSEC hardware offloading") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-10-03octeontx2-pf: mcs: Introduce MACSEC hardware offloadingSubbaraya Sundeep1-0/+16
This patch introduces the macsec offload feature to cn10k PF netdev driver. The macsec offload ops like adding, deleting and updating SecYs, SCs, SAs and stats are supported. XPN support will be added in later patches. Some stats use same counter in hardware which means based on the SecY mode the same counter represents different stat. Hence when SecY mode/policy is changed then snapshot of current stats are captured. Also there is no provision to specify the unique flow-id/SCI per packet to hardware hence different mac address needs to be set for macsec interfaces. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-09-28net: drop the weight argument from netif_napi_addJakub Kicinski1-2/+1
We tell driver developers to always pass NAPI_POLL_WEIGHT as the weight to netif_napi_add(). This may be confusing to newcomers, drop the weight argument, those who really need to tweak the weight can use netif_napi_add_weight(). Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for CAN Link: https://lore.kernel.org/r/20220927132753.750069-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-09-20octeontx2-pf: Fix unused variable build errorRen Zhijie1-1/+1
If CONFIG_DCB is not set, make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this: drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c: In function ‘otx2_select_queue’: drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:1886:19: error: unused variable ‘pf’ [-Werror=unused-variable] struct otx2_nic *pf = netdev_priv(netdev); ^~ cc1: all warnings being treated as errors To fix this build error, put the definition of *pf under the CONFIG_DCB. Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support") Signed-off-by: Ren Zhijie <renzhijie2@huawei.com> Link: https://lore.kernel.org/r/20220919025840.256411-1-renzhijie2@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-09-17octeontx2-pf: Add support for ptp 1-step mode on CN10K siliconHariprasad Kelam1-0/+11
Add support for ptp 1-step mode using timecounter. The seconds and nanoseconds to be updated in PTP header are calculated by adding the timecounter offset to the free running PTP clock counter time. The PF driver periodically gets the PTP clock time using AF mbox. The 1-step support uses HW feature to update correction field rather than OriginTimestamp field in PTP header. Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-09-01octeontx2-pf: Add egress PFC supportSuman Ghosh1-1/+53
As of now all transmit queues transmit packets out of same scheduler queue hierarchy. Due to this PFC frames sent by peer are not handled properly, either all transmit queues are backpressured or none. To fix this when user enables PFC for a given priority map relavant transmit queue to a different scheduler queue hierarcy, so that backpressure is applied only to the traffic egressing out of that TXQ. Signed-off-by: Suman Ghosh <sumang@marvell.com> Link: https://lore.kernel.org/r/20220830120304.158060-1-sumang@marvell.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-11octeontx2-pf: Add support for exact match table.Ratheesh Kannoth1-1/+1
NPC exact match table can support more entries than RPM dmac filters. This requires field size of DMAC filter count and index to be increased. Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-06Revert "Merge branch 'octeontx2-af-next'"Jakub Kicinski1-1/+1
This reverts commit 2ef8e39f58f08589ab035223c2687830c0eba30f, reversing changes made to e7ce9fc9ad38773b660ef663ae98df4f93cb6a37. There are build warnings here which break the normal build due to -Werror. Ratheesh was nice enough to quickly follow up with fixes but didn't hit all the warnings I see on GCC 12 so to unlock net-next from taking patches let get this series out for now. Link: https://lore.kernel.org/r/20220707013201.1372433-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-06octeontx2-pf: Add support for exact match table.Ratheesh Kannoth1-1/+1
NPC exact match table can support more entries than RPM dmac filters. This requires field size of DMAC filter count and index to be increased. Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-06-04Merge tag 'bitmap-for-5.19-rc1' of https://github.com/norov/linuxLinus Torvalds1-1/+1
Pull bitmap updates from Yury Norov: - bitmap: optimize bitmap_weight() usage, from me - lib/bitmap.c make bitmap_print_bitmask_to_buf parseable, from Mauro Carvalho Chehab - include/linux/find: Fix documentation, from Anna-Maria Behnsen - bitmap: fix conversion from/to fix-sized arrays, from me - bitmap: Fix return values to be unsigned, from Kees Cook It has been in linux-next for at least a week with no problems. * tag 'bitmap-for-5.19-rc1' of https://github.com/norov/linux: (31 commits) nodemask: Fix return values to be unsigned bitmap: Fix return values to be unsigned KVM: x86: hyper-v: replace bitmap_weight() with hweight64() KVM: x86: hyper-v: fix type of valid_bank_mask ia64: cleanup remove_siblinginfo() drm/amd/pm: use bitmap_{from,to}_arr32 where appropriate KVM: s390: replace bitmap_copy with bitmap_{from,to}_arr64 where appropriate lib/bitmap: add test for bitmap_{from,to}_arr64 lib: add bitmap_{from,to}_arr64 lib/bitmap: extend comment for bitmap_(from,to)_arr32() include/linux/find: Fix documentation lib/bitmap.c make bitmap_print_bitmask_to_buf parseable MAINTAINERS: add cpumask and nodemask files to BITMAP_API arch/x86: replace nodes_weight with nodes_empty where appropriate mm/vmstat: replace cpumask_weight with cpumask_empty where appropriate clocksource: replace cpumask_weight with cpumask_empty in clocksource.c genirq/affinity: replace cpumask_weight with cpumask_empty where appropriate irq: mips: replace cpumask_weight with cpumask_empty where appropriate drm/i915/pmu: replace cpumask_weight with cpumask_empty where appropriate arch/x86: replace cpumask_weight with cpumask_empty where appropriate ...
2022-05-17octeontx2-pf: Add support for adaptive interrupt coalescingSuman Ghosh1-0/+22
Added support for adaptive IRQ coalescing. It uses net_dim algorithm to find the suitable delay/IRQ count based on the current packet rate. Signed-off-by: Suman Ghosh <sumang@marvell.com> Link: https://lore.kernel.org/r/20220517044055.876158-1-sumang@marvell.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-17octeontx2-pf: Use memset_startat() helper in otx2_stop()Xiu Jianfeng1-2/+1
Use memset_startat() helper to simplify the code, there is no functional change in this patch. Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Link: https://lore.kernel.org/r/20220516092337.131653-1-xiujianfeng@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-16octeontx2-pf: Remove unnecessary synchronize_irq() before free_irq()Minghao Chi1-2/+0
Calling synchronize_irq() right before free_irq() is quite useless. On one hand the IRQ can easily fire again before free_irq() is entered, on the other hand free_irq() itself calls synchronize_irq() internally (in a race condition free way), before any state associated with the IRQ is freed. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-05-06net: make drivers set the TSO limit not the GSO limitJakub Kicinski1-1/+1
Drivers should call the TSO setting helper, GSO is controllable by user space. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-05-02octeontx2-pf: replace bitmap_weight with bitmap_empty where appropriateYury Norov1-1/+1
In some places, octeontx2 code calls bitmap_weight() to check if any bit of a given bitmap is set. It's better to use bitmap_empty() in that case because bitmap_empty() stops traversing the bitmap as soon as it finds first set bit, while bitmap_weight() counts all bits unconditionally. Signed-off-by: Yury Norov <yury.norov@gmail.com>
2022-02-23octeontx2-pf: Vary completion queue event sizeSubbaraya Sundeep1-0/+2
Completion Queue Entry(CQE) is a descriptor written by hardware to notify software about the send and receive completion status. The CQE can be of size 128 or 512 bytes. A 512 bytes CQE can hold more receive fragments pointers compared to 128 bytes CQE. This patch enables to modify CQE size using: <ethtool -G cqe-size N>. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-02-10octeontx2-pf: Add TC feature for VFsSubbaraya Sundeep1-42/+1
This patch adds TC feature for VFs also. When MCAM rules are allocated for a VF then either TC or ntuple filters can be used. Below are the commands to use TC feature for a VF(say lbk0): devlink dev param set pci/0002:01:00.1 name mcam_count value 16 \ cmode runtime ethtool -K lbk0 hw-tc-offload on ifconfig lbk0 up tc qdisc add dev lbk0 ingress tc filter add dev lbk0 parent ffff: protocol ip flower skip_sw \ dst_mac 98:03:9b:83:aa:12 action police rate 100Mbit burst 5000 Also to modify any fields of the hardware context with NIX_AQ_INSTOP_WRITE command then corresponding masks of those fields must be set as per hardware. This was missing in ingress ratelimiting context. This patch sets those masks also. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-09octeontx2-pf: PFC config support with DCBxHariprasad Kelam1-0/+13
Data centric bridging designed to eliminate packet loss due to queue overflow by adding enhancements to ethernet network such as proprity flow control etc. This patch adds support for management of Priority flow control(PFC) on Octeontx2 and CN10K interfaces. To enable PFC for all priorities dcb pfc set dev eth0 prio-pfc all:on/off To enable PFC on selected priorites dcb pfc set dev eth0 prio-pfc 0:on/off 1:on/off ..7:on/off With the ntuple commands user can map Priority to receive queues. On queue overflow NIX will assert backpressure such that PFC pause frames are genarated with mapped priority. To map priority 7 to Queue 1 ethtool -U eth0 flow-type ether dst xx:xx:xx:xx:xx:xx vlan 0xe00a m 0x1fff queue 1 Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-09octeontx2-af: Don't enable Pause frames by defaultHariprasad Kelam1-7/+8
Current implementation is such that 802.3x pause frames are enabled by default. As CGX and RPM blocks support PFC (priority flow control) also, instead of driver enabling one between them enable them upon request from PF or its VFs. Also add support to disable pause frames in driver unbind. Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-28octeontx2-pf: Change receive buffer size using ethtoolSubbaraya Sundeep1-0/+4
ethtool rx-buf-len is for setting receive buffer size, support setting it via ethtool -G parameter and getting it via ethtool -g parameter. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-21octeontx2-pf: Forward error codes to VFSubbaraya Sundeep1-1/+6
PF forwards its VF messages to AF and corresponding replies from AF to VF. AF sets proper error code in the replies after processing message requests. Currently PF checks the error codes in replies and sends invalid message to VF. This way VF lacks the information of error code set by AF for its messages. This patch changes that such that PF simply forwards AF replies so that VF can handle error codes. Fixes: d424b6c02415 ("octeontx2-pf: Enable SRIOV and added VF mbox handling") Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-12-14net_tstamp: add new flag HWTSTAMP_FLAG_BONDED_PHC_INDEXHangbin Liu1-4/+0
Since commit 94dd016ae538 ("bond: pass get_ts_info and SIOC[SG]HWTSTAMP ioctl to active device") the user could get bond active interface's PHC index directly. But when there is a failover, the bond active interface will change, thus the PHC index is also changed. This may break the user's program if they did not update the PHC timely. This patch adds a new hwtstamp_config flag HWTSTAMP_FLAG_BONDED_PHC_INDEX. When the user wants to get the bond active interface's PHC, they need to add this flag and be aware the PHC index may be changed. With the new flag. All flag checks in current drivers are removed. Only the checking in net_hwtstamp_validate() is kept. Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-22net: annotate accesses to dev->gso_max_segsEric Dumazet1-1/+1
dev->gso_max_segs is written under RTNL protection, or when the device is not yet visible, but is read locklessly. Add netif_set_gso_max_segs() helper. Add the READ_ONCE()/WRITE_ONCE() pairs, and use netif_set_gso_max_segs() where we can to better document what is going on. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-10octeontx2-pf: Simplify the receive buffer size calculationSubbaraya Sundeep1-8/+7
This patch separates the logic of configuring hardware maximum transmit frame size and receive frame size. This simplifies the logic to calculate receive buffer size and using cqe descriptor of different size. Also additional size of skb_shared_info structure is allocated for each receive buffer pointer given to hardware which is not necessary. Hence change the size calculation to remove the size of skb_shared_info. Add a check for array out of bounds while adding fragments to the network stack. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-30octeontx2-pf: Add XDP support to netdev PFGeetha sowjanya1-5/+130
Adds XDP_PASS, XDP_TX, XDP_DROP and XDP_REDIRECT support for netdev PF. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-29octeontx2-nicvf: Add PTP hardware clock support to NIX VFNaveen Mamindlapalli1-2/+4
This patch adds PTP PHC support to NIX VF interfaces. This enables a VF to run PTP master/slave instance. PTP block being a shared hardware resource it is recommended to avoid running multiple PTP instances in the system which will impact the PTP clock accuracy. Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-29octeontx2-pf: Enable promisc/allmulti match MCAM entries.Rakesh Babu1-35/+43
Whenever the interface is brought up/down then set_rx_mode function is called by the stack which enables promisc/allmulti MCAM entries. But there are cases when driver brings interface down and then up such as while changing number of channels. In these cases promisc/allmulti MCAM entries are left disabled as set_rx_mode callback is not called. This patch enables these MCAM entries in all such cases. Signed-off-by: Rakesh Babu <rsaladi2@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-09-01octeontx2-pf: cn10K: Reserve LMTST lines per coreGeetha sowjanya1-8/+4
This patch reserves the LMTST lines per cpu instead of separate LMTST lines for NPA(buffer free) and NIX(sqe flush). LMTST line of the core on which SQ or RQ is processed is used for LMTST operation. This patch also replace STEOR with STEORL release semantics and updates driver name in ethtool file. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-29octeontx2-pf: Fix inconsistent license textSunil Goutham1-5/+2
Fixed inconsistent license text across the netdev drivers. Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-20octeontx2-pf: Add check for non zero mcam flowsSunil Goutham1-0/+16
This patch ensures that mcam flows are allocated before adding or destroying the flows. Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-17octeontx2-pf: devlink params support to set mcam entry countSunil Goutham1-0/+5
Added support for setting or modifying MCAM entry count at runtime via devlink params. commands: devlink dev param show pci/0002:02:00.0: name mcam_count type driver-specific values: cmode runtime value 16 devlink dev param set pci/0002:02:00.0 name mcam_count value 64 cmode runtime Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-17octeontx2-pf: Unify flow management variablesSunil Goutham1-13/+21
Variables used for TC flow management like maximum number of flows, number of flows installed etc are a copy of ntuple flow management variables. Since both TC and NTUPLE are not supported at the same time, it's better to unify these with common variables. This patch addresses this unification and also does cleanup of other minor stuff wrt TC. Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-17octeontx2-pf: Enable NETIF_F_RXALL support for VF driverSunil Goutham1-3/+2
Enabled NETIF_F_RXALL support for VF driver. Also removed MTU range comments which are no longer valid. Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-31Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-0/+5
Conflicting commits, all resolutions pretty trivial: drivers/bus/mhi/pci_generic.c 5c2c85315948 ("bus: mhi: pci-generic: configurable network interface MRU") 56f6f4c4eb2a ("bus: mhi: pci_generic: Apply no-op for wake using sideband wake boolean") drivers/nfc/s3fwrn5/firmware.c a0302ff5906a ("nfc: s3fwrn5: remove unnecessary label") 46573e3ab08f ("nfc: s3fwrn5: fix undefined parameter values in dev_err()") 801e541c79bb ("nfc: s3fwrn5: fix undefined parameter values in dev_err()") MAINTAINERS 7d901a1e878a ("net: phy: add Maxlinear GPY115/21x/24x driver") 8a7b46fa7902 ("MAINTAINERS: add Yasushi SHOJI as reviewer for the Microchip CAN BUS Analyzer Tool driver") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-07-27dev_ioctl: split out ndo_eth_ioctlArnd Bergmann1-1/+1
Most users of ndo_do_ioctl are ethernet drivers that implement the MII commands SIOCGMIIPHY/SIOCGMIIREG/SIOCSMIIREG, or hardware timestamping with SIOCSHWTSTAMP/SIOCGHWTSTAMP. Separate these from the few drivers that use ndo_do_ioctl to implement SIOCBOND, SIOCBR and SIOCWANDEV commands. This is a purely cosmetic change intended to help readers find their way through the implementation. Cc: Doug Ledford <dledford@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jay Vosburgh <j.vosburgh@gmail.com> Cc: Veaceslav Falico <vfalico@gmail.com> Cc: Andy Gospodarek <andy@greyhouse.net> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Vladimir Oltean <olteanv@gmail.com> Cc: Leon Romanovsky <leon@kernel.org> Cc: linux-rdma@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-25octeontx2-pf: Fix interface down flag on errorGeetha sowjanya1-0/+5
In the existing code while changing the number of TX/RX queues using ethtool the PF/VF interface resources are freed and reallocated (otx2_stop and otx2_open is called) if the device is in running state. If any resource allocation fails in otx2_open, driver free already allocated resources and return. But again, when the number of queues changes as the device state still running oxt2_stop is called. In which we try to free already freed resources leading to driver crash. This patch fixes the issue by setting the INTF_DOWN flag on error and free the resources in otx2_stop only if the flag is not set. Fixes: 50fe6c02e5ad ("octeontx2-pf: Register and handle link notifications") Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <Sunil.Goutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-pf: offload DMAC filters to CGX/RPM blockHariprasad Kelam1-0/+9
DMAC filtering can be achieved by either NPC MCAM rules or CGX/RPM MAC filters. Currently we are achieving this by NPC MCAM rules. This patch offloads DMAC filters to CGX/RPM MAC filters instead of NPC MCAM rules. Offloading DMAC filter to CGX/RPM block helps in reducing traffic to NPC block and save MCAM rules Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-01octeontx2-pf: cn10k: Use runtime allocated LMTLINE regionGeetha sowjanya1-9/+8
The current driver uses static LMTST region allocated by firmware. This memory gets populated as PF/VF BAR2. RVU PF/VF driver ioremap the memory as device memory for NIX/NPA operation. Since the memory is mapped as device memory we see performance degration. To address this issue this patch implements runtime memory allocation. RVU PF/VF allocates memory during device probe and share the base address with RVU AF. RVU AF then configure the LMT MAP table accordingly. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-15octeontx2-pf: TC_MATCHALL ingress ratelimiting offloadSunil Goutham1-0/+3
Add TC_MATCHALL ingress ratelimiting offload support with POLICE action for entire traffic coming into the interface. Eg: To ratelimit ingress traffic to 100Mbps $ ethtool -K eth0 hw-tc-offload on $ tc qdisc add dev eth0 clsact $ tc filter add dev eth0 ingress matchall skip_sw \ action police rate 100Mbit burst 32Kbit To support this, a leaf level bandwidth profile is allocated and all RQs' contexts used by this interface are updated to point to it. And the leaf level bandwidth profile is configured with user specified rate and burst sizes. Co-developed-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-14octeontx2-pf: Cleanup flow rule managementSunil Goutham1-4/+4
Current MCAM allocation scheme allocates a single lot of MCAM entries for ntuple filters, unicast filters and VF VLAN rules. This patch attempts to cleanup this logic by segregating MCAM rule allocation and management for Ntuple rules and unicast, VF VLAN rules. This segregation will result in reusing most of the logic for supporting ntuple filters for VF devices. Also added debug messages for MCAM entry allocation failures. Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-11octeontx2-pf: add support for ndo_set_vf_trustHariprasad Kelam1-25/+103
Add support for setting a VF as a trusted VF by PF admin. Trusted VF feature allows VFs to perform priviliged operations such as enabling VF promiscuous mode, all-multicast mode and changing the VF MAC address even if it was assigned by PF. Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <Sunil.Goutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-11octeontx2-af: add support for multicast/promisc packet replication featureNaveen Mamindlapalli1-1/+3
Currently, multicast packet filtering is accomplished by installing MCAM rule that matches all-multicast MAC address and has its NPC_RX_ACTION set to unicast to PF. Similarly promisc feature is achieved by installing MCAM rule that matches all the traffic received by the channel and unicast the packets to PF. This approach only applies to PF and is not scalable across VFs. This patch adds support for PF/VF multicast and promisc feature by reserving NIX_RX_MCE_S entries from the global MCE list allocated during NIX block initialization. The NIX_RX_MCE_S entries create a linked list with a flag indicating the end of the list, and each entry points to a PF_FUNC (either PF or VF). When a packet NPC_RX_ACTION is set to MCAST, the corresponding NIX_RX_MCE_S list is traversed and the packet is queued to each PF_FUNC available on the list. The PF or VF driver adds the multicast/promisc packet match entry and updates the MCE list with correspondng PF_FUNC. When a PF or VF interface is disabled, the corresponding NIX_RX_MCE_S entry is removed from the MCE list and the MCAM entry will be disabled if the list is empty. Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <Sunil.Goutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller1-0/+5
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18octeontx2-pf: Clear RSS enable flag on interace downGeetha sowjanya1-0/+5
RSS configuration can not be get/set when interface is in down state as they required mbox communication. RSS enable flag status is used for set/get configuration. Current code do not clear the RSS enable flag on interface down which lead to mbox error while trying to set/get RSS configuration. Fixes: 85069e95e531 ("octeontx2-pf: Receive side scaling support") Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-18octeontx2-pf: Add tc flower hardware offload on ingress trafficNaveen Mamindlapalli1-0/+37
This patch adds support for tc flower hardware offload on ingress traffic. Since the tc-flower filter rules use the same set of MCAM rules as the n-tuple filters, the n-tuple filters and tc flower rules are mutually exclusive. When one of the feature is enabled using ethtool, the other feature is disabled in the driver. By default the driver enables n-tuple filters during initialization. The following flow keys are supported. -> Ethernet: dst_mac -> L2 proto: all protocols -> VLAN (802.1q): vlan_id/vlan_prio -> IPv4: dst_ip/src_ip/ip_proto{tcp|udp|sctp|icmp}/ip_tos -> IPv6: ip_proto{icmpv6} -> L4(tcp/udp/sctp): dst_port/src_port The following flow actions are supported. -> drop -> accept -> redirect -> vlan pop The flow action supports multiple actions when vlan pop is specified as the first action. The redirect action supports redirecting to the PF/VF of same PCI device. Redirecting to other PCI NIX devices is not supported. Example #1: Add a tc filter rule to drop UDP traffic with dest port 80 # ethtool -K eth0 hw-tc-offload on # tc qdisc add dev eth0 ingress # tc filter add dev eth0 protocol ip parent ffff: flower ip_proto \ udp dst_port 80 action drop Example #2: Add a tc filter rule to redirect ingress traffic on eth0 with vlan id 3 to eth6 (ex: eth0 vf0) after stripping the vlan hdr. # ethtool -K eth0 hw-tc-offload on # tc qdisc add dev eth0 ingress # tc filter add dev eth0 parent ffff: protocol 802.1Q flower \ vlan_id 3 vlan_ethtype ipv4 action vlan pop action mirred \ ingress redirect dev eth6 Example #3: List the ingress filter rules # tc -s filter show dev eth4 ingress Example #4: Delete tc flower filter rule with handle 0x1 # tc filter del dev eth0 ingress protocol ip pref 49152 \ handle 1 flower Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11octeontx2-pf: cn10k: Get max mtu supported from admin functionHariprasad Kelam1-4/+31
CN10K supports max MTU of 16K on LMAC links and 64k on LBK links and Octeontx2 silicon supports 9K mtu on both links. Get the same from nix_get_hw_info mbox message in netdev probe. This patch also calculates receive buffer size required based on the MTU set. Signed-off-by: Hariprasad Kelam <hkelam@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11octeontx2-pf: cn10k: Use LMTST lines for NPA/NIX operationsGeetha sowjanya1-34/+2
This patch adds support to use new LMTST lines for NPA batch free and burst SQE flush. Adds new dev_hw_ops structure to hold platform specific functions and create new files cn10k.c and cn10k.h. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11octeontx2-pf: cn10k: Map LMTST regionGeetha sowjanya1-1/+51
On CN10K platform transmit/receive buffer alloc and free from/to hardware had changed to support burst operation. Whereas pervious silicon's only support single buffer free at a time. To Support the same firmware allocates a DRAM region for each PF/VF for storing LMTLINES. These LMTLINES are used for NPA batch free and for flushing SQE to the hardware. PF/VF LMTST region is accessed via BAR4. PFs LMTST region is followed by its VFs mbox memory. The size of region varies from 2KB to 256KB based on number of LMTLINES configured. This patch adds support for - Mapping PF/VF LMTST region. - Reserves 0-71 (RX + TX + XDP) LMTST lines for NPA batch free operation. - Reserves 72-512 LMTST lines for NIX SQE flush. Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-11octeontx2-pf: cn10k: Add mbox support for CN10KSubbaraya Sundeep1-5/+13
Firmware allocates memory regions for PFs and VFs in DRAM. The PFs memory region is used for AF-PF and PF-VF mailbox. This mbox facilitate communication between AF-PF and PF-VF. On CN10K platform: The DRAM region allocated to PF is enumerated as PF BAR4 memory. PF BAR4 contains AF-PF mbox region followed by its VFs mbox region. AF-PF mbox region base address is configured at RVU_AF_PFX_BAR4_ADDR PF-VF mailbox base address is configured at RVU_PF(x)_VF_MBOX_ADDR = RVU_AF_PF()_BAR4_ADDR+64KB. PF access its mbox region via BAR4, whereas VF accesses PF-VF DRAM mailboxes via BAR2 indirect access. On CN9XX platform: Mailbox region in DRAM is divided into two parts AF-PF mbox region and PF-VF mbox region i.e all PFs mbox region is contiguous similarly all VFs. The base address of the AF-PF mbox region is configured at RVU_AF_PF_BAR4_ADDR. AF-PF1 mbox address can be calculated as RVU_AF_PF_BAR4_ADDR * mbox size. The base address of PF-VF mbox region for each PF is configure at RVU_AF_PF(0..15)_VF_BAR4_ADDR.PF access its mbox region via BAR4 and its VF mbox regions from RVU_PF_VF_BAR4_ADDR register, whereas VF access its mbox region via BAR4. This patch changes mbox initialization to support both CN9XX and CN10K platform. The patch also adds new hw_cap flag to setting hw features like TSO etc and removes platform specific name from the PF/VF driver name to make it appropriate for all supported platforms This patch also removes platform specific name from the PF/VF driver name to make it appropriate for all supported platforms Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.