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path: root/drivers/net/ethernet/chelsio
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2018-05-10cxgb4: copy mbox log size to PF0-3 adap instancesGanesh Goudar1-2/+1
copy mbox size to adapter instances of PF0-3 to avoid mbox log overflow. This fixes the possible protection fault. Fixes: baf5086840ab ("cxgb4: restructure VF mgmt code") Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-10cxgb4: zero the HMA memoryGanesh Goudar1-2/+2
firmware expects HMA memory to be zeroed, use __GFP_ZERO for HMA memory allocation. Fixes: 8b4e6b3ca2ed ("cxgb4: Add HMA support") Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-31cxgb4: LLD driver changes to support TLSAtul Gupta3-15/+131
Read the Inline TLS capability from firmware. Determine the area reserved for storing the keys Dump the Inline TLS tx and rx records count. Signed-off-by: Atul Gupta <atul.gupta@chelsio.com> Reviewed-by: Michael Werner <werner@chelsio.com> Reviewed-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-31cxgb4: Inline TLS FW InterfaceAtul Gupta3-6/+283
Key area size in hw-config file. CPL struct for TLS request and response. Work request for Inline TLS. Signed-off-by: Atul Gupta <atul.gupta@chelsio.com> Reviewed-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-30cxgb4: fix error return code in adap_init0()Wei Yongjun1-1/+2
Fix to return a negative error code from the hash filter init error handling case instead of 0, as done elsewhere in this function. Fixes: 5c31254e35a8 ("cxgb4: initialize hash-filter configuration") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-26ethernet: Use octal not symbolic permissionsJoe Perches3-64/+64
Prefer the direct use of octal for permissions. Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace and some typing. Miscellanea: o Whitespace neatening around these conversions. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-25cxgb4: support new ISSI flash partsGanesh Goudar1-0/+19
Add support for new 32MB and 64MB ISSI (Integrated Silicon Solution, Inc.) FLASH parts. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-25cxgb4: depend on firmware event for link statusGanesh Goudar1-2/+0
Depend on the firmware sending us link status changes, rather than assuming that the link goes down upon L1 configuration. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-25cxgb4: copy vlan_id in ndo_get_vf_configArjun Vynipadath1-2/+6
Copy vlan_id to get it displayed in vf info. Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudhar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-25cxgb4: Setup FW queues before registering netdevArjun Vynipadath1-3/+8
When NetworkManager is enabled, there are chances that interface up is called even before probe completes. This means we have not yet allocated the FW sge queues, hence rest of ingress queue allocation wont be proper. Fix this by calling setup_fw_sge_queues() before register_netdev(). Fixes: 0fbc81b3ad51 ('chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's') Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-1/+2
Fun set of conflict resolutions here... For the mac80211 stuff, these were fortunately just parallel adds. Trivially resolved. In drivers/net/phy/phy.c we had a bug fix in 'net' that moved the function phy_disable_interrupts() earlier in the file, whilst in 'net-next' the phy_error() call from this function was removed. In net/ipv4/xfrm4_policy.c, David Ahern's changes to remove the 'rt_table_id' member of rtable collided with a bug fix in 'net' that added a new struct member "rt_mtu_locked" which needs to be copied over here. The mlxsw driver conflict consisted of net-next separating the span code and definitions into separate files, whilst a 'net' bug fix made some changes to that moved code. The mlx5 infiniband conflict resolution was quite non-trivial, the RDMA tree's merge commit was used as a guide here, and here are their notes: ==================== Due to bug fixes found by the syzkaller bot and taken into the for-rc branch after development for the 4.17 merge window had already started being taken into the for-next branch, there were fairly non-trivial merge issues that would need to be resolved between the for-rc branch and the for-next branch. This merge resolves those conflicts and provides a unified base upon which ongoing development for 4.17 can be based. Conflicts: drivers/infiniband/hw/mlx5/main.c - Commit 42cea83f9524 (IB/mlx5: Fix cleanup order on unload) added to for-rc and commit b5ca15ad7e61 (IB/mlx5: Add proper representors support) add as part of the devel cycle both needed to modify the init/de-init functions used by mlx5. To support the new representors, the new functions added by the cleanup patch needed to be made non-static, and the init/de-init list added by the representors patch needed to be modified to match the init/de-init list changes made by the cleanup patch. Updates: drivers/infiniband/hw/mlx5/mlx5_ib.h - Update function prototypes added by representors patch to reflect new function names as changed by cleanup patch drivers/infiniband/hw/mlx5/ib_rep.c - Update init/de-init stage list to match new order from cleanup patch ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22cxgb4: Support firmware rdma write completion work request.Raju Rangoju5-0/+11
If FW supports RDMA WRITE_COMPLETION functionality, then advertise that to the ULDs. This will be used by iw_cxgb4 to allow WRITE_COMPLETION work requests. Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com> Signed-off-by: Raju Rangoju <rajur@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22cxgb4: Support firmware rdma write with immediate work request.Raju Rangoju5-0/+10
If FW supports RDMA WRITE_WITH_IMMEDATE functionality, then advertise that to the ULDs. This will be used by iw_cxgb4 to allow WRITE_WITH_IMMEDIATE work requests. Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com> Signed-off-by: Raju Rangoju <rajur@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22cxgb4: Add support to query HW SRQ parametersRaju Rangoju2-0/+21
This patch adds support to query FW for the HW SRQ table start/end, and advertise that for ULDs. Signed-off-by: Raju Rangoju <rajur@chelsio.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22cxgb4: Add support to initialise/read SRQ entriesRaju Rangoju4-1/+206
- This patch adds support to initialise srq table and read srq entries Signed-off-by: Raju Rangoju <rajur@chelsio.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22cxgb4: Adds CPL support for Shared Receive QueuesRaju Rangoju2-0/+73
- Add srq table query cpl support for srq - Add cpl_abort_req_rss6 and cpl_abort_rpl_rss6 structs. - Add accessors, macros to get the SRQ IDX value. Signed-off-by: Raju Rangoju <rajur@chelsio.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-17cxgb4: Fix queue free path of ULD driversArjun Vynipadath1-0/+1
Setting sge_uld_rxq_info to NULL in free_queues_uld(). We are referencing sge_uld_rxq_info in cxgb_up(). This will fix a panic when interface is brought up after a ULDq creation failure. Fixes: 94cdb8bb993a (cxgb4: Add support for dynamic allocation of resources for ULD) Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudhar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-16cxgb4: notify fatal error to uld driversGanesh Goudar3-1/+13
notify uld drivers if the adapter encounters fatal error. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-13cxgb4: Add HMA supportArjun Vynipadath5-6/+303
HMA(Host Memory Access) maps a part of host memory for T6-SO memfree cards. This commit does the following: - Query FW to check if we have HMA support. If yes, the params will return HMA size configured in FW. We will dma map memory based on this size. - Also contains changes to get HMA memory information via debugfs. Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Santosh Rastapur <santosh@chelsio.com> Signed-off-by: Michael Werner <werner@chelsio.com> Signed-off-by: Ganesh GR <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-12cxgb4/cxgb4vf: check fw caps to set link mode maskGanesh Goudar2-23/+38
check firmware capabilities before setting ethtool link mode mask, also add few missing speeds. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-12cxgb4: do not display 50Gbps as unsupported speedGanesh Goudar1-0/+3
50Gbps is a supported speed, Stop reporting it as unsupported speed. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-09cxgb4: increase max tx rate limit to 100 GbpsGanesh Goudar2-5/+5
T6 cards can support up to 100 G speeds. So, increase max programmable tx rate limit to 100 Gbps. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07cxgb3: remove VLA usageGustavo A. R. Silva1-4/+4
Remove VLA usage and change the 'len' argument to a u8 and use a 256 byte buffer on the stack. Notice that these lengths are limited by the encoding field in the VPD structure, which is a u8 [1]. [1] https://marc.info/?l=linux-netdev&m=152044354814024&w=2 Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07cxgb4: do not set needs_free_netdev for mgmt dev'sGanesh Goudar1-1/+0
Do not set 'needs_free_netdev' as we do call free_netdev for mgmt net devices, doing both hits BUG_ON. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-07cxgb4: copy adap index to PF0-3 adapter instancesGanesh Goudar1-0/+2
instantiation of VF's on different adapters fails, copy adapter index and chip type to PF0-3 adapter instances to fix the issue. Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-04cxgb4vf: Forcefully link up virtual interfacesArjun Vynipadath1-3/+11
The Virtual Interfaces are connected to an internal switch on the chip which allows VIs attached to the same port to talk to each other even when the port link is down. As a result, we generally want to always report a VI's link as being "up". Based on the original work by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-02cxgb4: Add TP Congestion map entry for single-portGanesh Goudar1-0/+1
Add TP Congestion Map entry for single-port T6 cards. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-02cxgb4: remove dead code when allocating filterGanesh Goudar1-6/+0
Error code is already returned earlier if filter exists at specified location. So, remove dead code trying to free existing filter. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller4-24/+15
2018-02-16PCI/cxgb4: Extend T3 PCI quirk to T4+ devicesCasey Leedom1-10/+0
We've run into a problem where our device is attached to a Virtual Machine and the use of the new pci_set_vpd_size() API doesn't help. The VM kernel has been informed that the accesses are okay, but all of the actual VPD Capability Accesses are trapped down into the KVM Hypervisor where it goes ahead and imposes the silent denials. The right idea is to follow the kernel.org commit 1c7de2b4ff88 ("PCI: Enable access to non-standard VPD for Chelsio devices (cxgb3)") which Alexey Kardashevskiy authored to establish a PCI Quirk for our T3-based adapters. This commit extends that PCI Quirk to cover Chelsio T4 devices and later. The advantage of this approach is that the VPD Size gets set early in the Base OS/Hypervisor Boot and doesn't require that the cxgb4 driver even be available in the Base OS/Hypervisor. Thus PF4 can be exported to a Virtual Machine and everything should work. Fixes: 67e658794ca1 ("cxgb4: Set VPD size so we can read both VPD structures") Cc: <stable@vger.kernel.org> # v4.9+ Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-16cxgb4: fix trailing zero in CIM LA dumpRahul Lakkireddy2-2/+2
Set correct size of the CIM LA dump for T6. Fixes: 27887bc7cb7f ("cxgb4: collect hardware LA dumps") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-16cxgb4: free up resources of pf 0-3Ganesh Goudar1-12/+13
free pf 0-3 resources, commit baf5086840ab ("cxgb4: restructure VF mgmt code") erroneously removed the code which frees the pf 0-3 resources, causing the probe of pf 0-3 to fail in case of driver reload. Fixes: baf5086840ab ("cxgb4: restructure VF mgmt code") Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-14cxgb4: speed up on-chip memory readRahul Lakkireddy1-9/+28
Use readq() (via t4_read_reg64()) to read 64-bits at a time. Read residual in 32-bit multiples. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-14cxgb4: rework on-chip memory readRahul Lakkireddy3-73/+192
Rework logic to read EDC and MC. Do 32-bit reads at a time. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-07cxgb4: Fix error handling path in 'init_one()'Christophe JAILLET1-1/+1
Commit baf5086840ab1 ("cxgb4: restructure VF mgmt code") has reordered some code but an error handling label has not been updated accordingly. So fix it and free 'adapter' if 't4_wait_dev_ready()' fails. Fixes: baf5086840ab1 ("cxgb4: restructure VF mgmt code") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-02-02net: cxgb4: avoid memcpy beyond end of source bufferArnd Bergmann1-1/+1
Building with link-time-optimizations revealed that the cxgb4 driver does a fixed-size memcpy() from a variable-length constant string into the network interface name: In function 'memcpy', inlined from 'cfg_queues_uld.constprop' at drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:335:2, inlined from 'cxgb4_register_uld.constprop' at drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c:719:9: include/linux/string.h:350:3: error: call to '__read_overflow2' declared with attribute error: detected read beyond size of object passed as 2nd parameter __read_overflow2(); ^ I can see two equally workable solutions: either we use a strncpy() instead of the memcpy() to stop at the end of the input, or we make the source buffer fixed length as well. This implements the latter. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-31Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds32-887/+2844
Pull networking updates from David Miller: 1) Significantly shrink the core networking routing structures. Result of http://vger.kernel.org/~davem/seoul2017_netdev_keynote.pdf 2) Add netdevsim driver for testing various offloads, from Jakub Kicinski. 3) Support cross-chip FDB operations in DSA, from Vivien Didelot. 4) Add a 2nd listener hash table for TCP, similar to what was done for UDP. From Martin KaFai Lau. 5) Add eBPF based queue selection to tun, from Jason Wang. 6) Lockless qdisc support, from John Fastabend. 7) SCTP stream interleave support, from Xin Long. 8) Smoother TCP receive autotuning, from Eric Dumazet. 9) Lots of erspan tunneling enhancements, from William Tu. 10) Add true function call support to BPF, from Alexei Starovoitov. 11) Add explicit support for GRO HW offloading, from Michael Chan. 12) Support extack generation in more netlink subsystems. From Alexander Aring, Quentin Monnet, and Jakub Kicinski. 13) Add 1000BaseX, flow control, and EEE support to mvneta driver. From Russell King. 14) Add flow table abstraction to netfilter, from Pablo Neira Ayuso. 15) Many improvements and simplifications to the NFP driver bpf JIT, from Jakub Kicinski. 16) Support for ipv6 non-equal cost multipath routing, from Ido Schimmel. 17) Add resource abstration to devlink, from Arkadi Sharshevsky. 18) Packet scheduler classifier shared filter block support, from Jiri Pirko. 19) Avoid locking in act_csum, from Davide Caratti. 20) devinet_ioctl() simplifications from Al viro. 21) More TCP bpf improvements from Lawrence Brakmo. 22) Add support for onlink ipv6 route flag, similar to ipv4, from David Ahern. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1925 commits) tls: Add support for encryption using async offload accelerator ip6mr: fix stale iterator net/sched: kconfig: Remove blank help texts openvswitch: meter: Use 64-bit arithmetic instead of 32-bit tcp_nv: fix potential integer overflow in tcpnv_acked r8169: fix RTL8168EP take too long to complete driver initialization. qmi_wwan: Add support for Quectel EP06 rtnetlink: enable IFLA_IF_NETNSID for RTM_NEWLINK ipmr: Fix ptrdiff_t print formatting ibmvnic: Wait for device response when changing MAC qlcnic: fix deadlock bug tcp: release sk_frag.page in tcp_disconnect ipv4: Get the address of interface correctly. net_sched: gen_estimator: fix lockdep splat net: macb: Handle HRESP error net/mlx5e: IPoIB, Fix copy-paste bug in flow steering refactoring ipv6: addrconf: break critical section in addrconf_verify_rtnl() ipv6: change route cache aging logic i40e/i40evf: Update DESC_NEEDED value to reflect larger value bnxt_en: cleanup DIM work on device shutdown ...
2018-01-31Merge branch 'linus' of ↵Linus Torvalds7-52/+88
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Enforce the setting of keys for keyed aead/hash/skcipher algorithms. - Add multibuf speed tests in tcrypt. Algorithms: - Improve performance of sha3-generic. - Add native sha512 support on arm64. - Add v8.2 Crypto Extentions version of sha3/sm3 on arm64. - Avoid hmac nesting by requiring underlying algorithm to be unkeyed. - Add cryptd_max_cpu_qlen module parameter to cryptd. Drivers: - Add support for EIP97 engine in inside-secure. - Add inline IPsec support to chelsio. - Add RevB core support to crypto4xx. - Fix AEAD ICV check in crypto4xx. - Add stm32 crypto driver. - Add support for BCM63xx platforms in bcm2835 and remove bcm63xx. - Add Derived Key Protocol (DKP) support in caam. - Add Samsung Exynos True RNG driver. - Add support for Exynos5250+ SoCs in exynos PRNG driver" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (166 commits) crypto: picoxcell - Fix error handling in spacc_probe() crypto: arm64/sha512 - fix/improve new v8.2 Crypto Extensions code crypto: arm64/sm3 - new v8.2 Crypto Extensions implementation crypto: arm64/sha3 - new v8.2 Crypto Extensions implementation crypto: testmgr - add new testcases for sha3 crypto: sha3-generic - export init/update/final routines crypto: sha3-generic - simplify code crypto: sha3-generic - rewrite KECCAK transform to help the compiler optimize crypto: sha3-generic - fixes for alignment and big endian operation crypto: aesni - handle zero length dst buffer crypto: artpec6 - remove select on non-existing CRYPTO_SHA384 hwrng: bcm2835 - Remove redundant dev_err call in bcm2835_rng_probe() crypto: stm32 - remove redundant dev_err call in stm32_cryp_probe() crypto: axis - remove unnecessary platform_get_resource() error check crypto: testmgr - test misuse of result in ahash crypto: inside-secure - make function safexcel_try_push_requests static crypto: aes-generic - fix aes-generic regression on powerpc crypto: chelsio - Fix indentation warning crypto: arm64/sha1-ce - get rid of literal pool crypto: arm64/sha2-ce - move the round constant table to .rodata section ...
2018-01-26cxgb4: use backdoor access to collect dumps when firmware crashedRahul Lakkireddy1-13/+38
Fallback to backdoor register access to collect dumps if firmware is crashed. Fixes TID, SGE Queue Context, and MPS TCAM dump collection. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-26cxgb4: fix incorrect condition for using firmware LDST commandsRahul Lakkireddy1-1/+1
Only contact firmware if it's alive _AND_ if use_bd (use backdoor access) is not set when issuing FW_LDST_CMD. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-26cxgb4: reset FW_OK flag on firmware crashRahul Lakkireddy1-1/+3
If firmware reports error, reset FW_OK flag. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-25cxgb4: use tc_cls_can_offload_and_chain0()Jakub Kicinski1-7/+1
Make use of tc_cls_can_offload_and_chain0() to set extack msg in case ethtool tc offload flag is not set or chain unsupported. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-25cxgb4: fix possible deadlockGanesh Goudar1-10/+10
t4_wr_mbox_meat_timeout() can be called from both softirq context and process context, hence protect the mbox with spin_lock_bh() instead of simple spin_lock() Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cxgb4: make symbol pedits staticWei Yongjun1-1/+1
Fixes the following sparse warning: drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c:46:27: warning: symbol 'pedits' was not declared. Should it be static? Fixes: 27ece1f357b7 ("cxgb4: add tc flower support for ETH-DMAC rewrite") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cxgb4: properly initialize variablesRahul Lakkireddy2-2/+4
memset variables to 0 to fix sparse warnings: drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c:409:42: sparse: Using plain integer as NULL pointer drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:43:47: sparse: Using plain integer as NULL pointer Fixes: ad75b7d32f25 ("cxgb4: implement ethtool dump data operations") Fixes: 91c1953de387 ("cxgb4: use zlib deflate to compress firmware dump") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cxgb4: enable ZLIB_DEFLATE when building cxgb4Rahul Lakkireddy3-15/+2
Fixes: drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:39:5: error: redefinition of 'cudbg_compress_buff' int cudbg_compress_buff(struct cudbg_init *pdbg_init, ^~~~~~~~~~~~~~~~~~~ In file included from drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.c:23:0: drivers/net/ethernet/chelsio/cxgb4/cudbg_zlib.h:45:19: note: previous definition of 'cudbg_compress_buff' was here static inline int cudbg_compress_buff(struct cudbg_init *pdbg_init, ^~~~~~~~~~~~~~~~~~~ Fixes: 91c1953de387 ("cxgb4: use zlib deflate to compress firmware dump") Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-24cxgb4/cxgb4vf: add support for ndo_set_vf_vlanGanesh Goudar9-8/+116
implement ndo_set_vf_vlan for mgmt netdevice to configure the PCIe VF. Original work by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-2/+5
en_rx_am.c was deleted in 'net-next' but had a bug fixed in it in 'net'. The esp{4,6}_offload.c conflicts were overlapping changes. The 'out' label is removed so we just return ERR_PTR(-EINVAL) directly. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-22cxgb3: assign port id to net_device->dev_portArjun Vynipadath1-0/+1
T3 devices have different ports on same PCI function, so using dev_port to identify ports. Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-22cxgb4: fix endianness for vlan value in cxgb4_tc_flowerKumar Sanghvi1-2/+2
Don't change endianness when assigning vlan value in cxgb4_tc_flower code when processing flow match parameters. The value gets converted to network order as part of filtering code in set_filter_wr. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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