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2019-02-09batman-adv: Add bridge_loop_avoidance mesh genl configurationSven Eckelmann2-0/+24
The mesh interface can try to detect loops in the same mesh caused by (indirectly) bridged mesh/soft-interfaces of different nodes. Some of the loops can also be resolved without breaking the mesh. The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH commands allow to set/get the configuration of this feature using the BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED attribute. Setting the u8 to zero will disable this feature and setting it to something else is enabling this feature. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Add bonding mesh genl configurationSven Eckelmann2-0/+17
The mesh interface can use multiple slave/hard-interface ports at the same time to transport the traffic to other nodes. The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH commands allow to set/get the configuration of this feature using the BATADV_ATTR_BONDING_ENABLED attribute. Setting the u8 to zero will disable this feature and setting it to something else is enabling this feature. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Add ap_isolation mesh/vlan genl configurationSven Eckelmann2-0/+108
The mesh interface can drop messages between clients to implement a mesh-wide AP isolation. The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH and BATADV_CMD_SET_VLAN/BATADV_CMD_GET_VLAN commands allow to set/get the configuration of this feature using the BATADV_ATTR_AP_ISOLATION_ENABLED attribute. Setting the u8 to zero will disable this feature and setting it to something else is enabling this feature. This feature also requires that skbuff which should be handled as isolated are marked. The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH commands allow to set/get the mark/mask using the u32 attributes BATADV_ATTR_ISOLATION_MARK and BATADV_ATTR_ISOLATION_MASK. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Add aggregated_ogms mesh genl configurationSven Eckelmann2-0/+18
The mesh interface can delay OGM messages to aggregate different ogms together in a single OGM packet. The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH commands allow to set/get the configuration of this feature using the BATADV_ATTR_AGGREGATED_OGMS_ENABLED attribute. Setting the u8 to zero will disable this feature and setting it to something else is enabling this feature. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Prepare framework for vlan genl configSven Eckelmann2-2/+206
The batman-adv configuration interface was implemented solely using sysfs. This approach was condemned by non-batadv developers as "huge mistake". Instead a netlink/genl based implementation was suggested. Beside the mesh/soft-interface specific configuration, the VLANs on top of the mesh/soft-interface have configuration settings. The genl interface reflects this by allowing to get/set it using the vlan specific commands BATADV_CMD_GET_VLAN/BATADV_CMD_SET_VLAN. The set command BATADV_CMD_SET_MESH will also notify interested userspace listeners of the "config" mcast group using the BATADV_CMD_SET_VLAN command message type that settings might have been changed and what the current values are. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Prepare framework for hardif genl configSven Eckelmann2-23/+233
The batman-adv configuration interface was implemented solely using sysfs. This approach was condemned by non-batadv developers as "huge mistake". Instead a netlink/genl based implementation was suggested. Beside the mesh/soft-interface specific configuration, the slave/hard-interface have B.A.T.M.A.N. V specific configuration settings. The genl interface reflects this by allowing to get/set it using the hard-interface specific commands. The BATADV_CMD_GET_HARDIFS (or short version BATADV_CMD_GET_HARDIF) is reused as get command because it already allow sto dump the content of other information from the slave/hard-interface which are not yet configuration specific. The set command BATADV_CMD_SET_HARDIF will also notify interested userspace listeners of the "config" mcast group using the BATADV_CMD_SET_HARDIF command message type that settings might have been changed and what the current values are. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Prepare framework for mesh genl configSven Eckelmann2-65/+111
The batman-adv configuration interface was implemented solely using sysfs. This approach was condemned by non-batadv developers as "huge mistake". Instead a netlink/genl based implementation was suggested. The main objects for this configuration is the mesh/soft-interface object. Its actual object in memory already contains most of the available configuration settings. The genl interface reflects this by allowing to get/set it using the mesh specific commands. The BATADV_CMD_GET_MESH_INFO (or short version BATADV_CMD_GET_MESH) is reused as get command because it already provides the content of other information from the mesh/soft-interface which are not yet configuration specific. The set command BATADV_CMD_SET_MESH will also notify interested userspace listeners of the "config" mcast group using the BATADV_CMD_SET_MESH command message type that settings might have been changed and what the current values are. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Move common genl doit code pre/post hooksSven Eckelmann1-43/+100
The commit ff4c92d85c6f ("genetlink: introduce pre_doit/post_doit hooks") intoduced a mechanism to run specific code for doit hooks before/after the hooks are run. Since all doit hooks are requiring the batadv softif, it should be retrieved/freed in these helpers to simplify the code. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-09batman-adv: Fix typo "reseved" -> "reserved"Sven Eckelmann1-1/+1
checkpatch.pl complains since commit 45e417022023 ("scripts/spelling.txt: add more spellings to spelling.txt") about an additional spelling mistake in batman-adv:` CHECK: 'reseved' may be misspelled - perhaps 'reserved'? #232: FILE: include/uapi/linux/batadv_packet.h:232: + * @flags: reseved for routing relevant flags - currently always 0 Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-02-06batman-adv: fix memory leak in in batadv_dat_put_dhcpMartin Weinelt1-0/+2
batadv_dat_put_dhcp is creating a new ARP packet via batadv_dat_arp_create_reply and tries to forward it via batadv_dat_send_data to different peers in the DHT. The original skb is not consumed by batadv_dat_send_data and thus has to be consumed by the caller. Fixes: b61ec31c8575 ("batman-adv: Snoop DHCPACKs for DAT") Signed-off-by: Martin Weinelt <martin@linuxlounge.net> [sven@narfation.org: add commit message] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2019-01-04batman-adv: Update copyright years for 2019Sven Eckelmann63-63/+63
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-12-30batman-adv: Snoop DHCPACKs for DATLinus Lüssing4-2/+431
In a 1000 nodes mesh network (Freifunk Hamburg) we can still see 30KBit/s of ARP traffic (equalling about 25% of all layer two specific overhead, remaining after some filtering) flooded through the mesh. These 30KBit/s are mainly ARP Requests from the gateways / DHCP servers. By snooping DHCPACKs we can learn about MAC/IP address pairs in the DHCP range without relying on ARP. This patch is in preparation to eliminate the need for mesh wide message flooding for IPv4 address resolution. Also this allows to quickly update a MAC/IP pair at least in the DHT when DHCP reassigns an IP address to a new host. Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue> Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-12-30batman-adv: Start new development cycleSimon Wunderlich1-1/+1
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2018-12-27sched/fair: Fix warning on non-SMP buildOlof Johansson1-8/+8
Caused by making the variable static: kernel/sched/fair.c:119:21: warning: 'capacity_margin' defined but not used [-Wunused-variable] Seems easiest to just move it up under the existing ifdef CONFIG_SMP that's a few lines above. Fixes: ed8885a14433a ('sched/fair: Make some variables static') Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-12-24net: dccp: fix kernel crash on module loadPeter Oskolkov3-12/+31
Patch eedbbb0d98b2 "net: dccp: initialize (addr,port) ..." added calling to inet_hashinfo2_init() from dccp_init(). However, inet_hashinfo2_init() is marked as __init(), and thus the kernel panics when dccp is loaded as module. Removing __init() tag from inet_hashinfo2_init() is not feasible because it calls into __init functions in mm. This patch adds inet_hashinfo2_init_mod() function that can be called after the init phase is done; changes dccp_init() to call the new function; un-marks inet_hashinfo2_init() as exported. Fixes: eedbbb0d98b2 ("net: dccp: initialize (addr,port) ...") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24drivers/net: appletalk/cops: remove redundant if statement and maskColin Ian King1-8/+2
The two different assignments for pkt_len are actually the same and so the if statement is redundant and can be removed. Masking a u8 return value from inb() with 0xFF is also redundant and can also be emoved. Similarly, the two different outb calls are identical as the mask of 0xff on the second outb is redundant since a u8 is being written, so the if statement is also redundant and can be also removed. Detected by CoverityScan, CID#1475639 ("Identical code for different branches") V2: Remove the if statement for the outb calls, thanks to David Miller for spotting this. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24bnx2x: Fix NULL pointer dereference in bnx2x_del_all_vlans() on some hwIvan Mironov1-4/+10
This happened when I tried to boot normal Fedora 29 system with latest available kernel (from fedora rawhide, plus some unrelated custom patches): BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 0 P4D 0 Oops: 0010 [#1] SMP PTI CPU: 6 PID: 1422 Comm: libvirtd Tainted: G I 4.20.0-0.rc7.git3.hpsa2.1.fc29.x86_64 #1 Hardware name: HP ProLiant BL460c G6, BIOS I24 05/21/2018 RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffffa47ccdc9fbe0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000003e8 RCX: ffffa47ccdc9fbf8 RDX: ffffa47ccdc9fc00 RSI: ffff97d9ee7b01f8 RDI: ffff97d9f0150b80 RBP: ffff97d9f0150b80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 R13: ffff97d9ef1e53e8 R14: 0000000000000009 R15: ffff97d9f0ac6730 FS: 00007f4d224ef700(0000) GS:ffff97d9fa200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000011ece52006 CR4: 00000000000206e0 Call Trace: ? bnx2x_chip_cleanup+0x195/0x610 [bnx2x] ? bnx2x_nic_unload+0x1e2/0x8f0 [bnx2x] ? bnx2x_reload_if_running+0x24/0x40 [bnx2x] ? bnx2x_set_features+0x79/0xa0 [bnx2x] ? __netdev_update_features+0x244/0x9e0 ? netlink_broadcast_filtered+0x136/0x4b0 ? netdev_update_features+0x22/0x60 ? dev_disable_lro+0x1c/0xe0 ? devinet_sysctl_forward+0x1c6/0x211 ? proc_sys_call_handler+0xab/0x100 ? __vfs_write+0x36/0x1a0 ? rcu_read_lock_sched_held+0x79/0x80 ? rcu_sync_lockdep_assert+0x2e/0x60 ? __sb_start_write+0x14c/0x1b0 ? vfs_write+0x159/0x1c0 ? vfs_write+0xba/0x1c0 ? ksys_write+0x52/0xc0 ? do_syscall_64+0x60/0x1f0 ? entry_SYSCALL_64_after_hwframe+0x49/0xbe After some investigation I figured out that recently added cleanup code tries to call VLAN filtering de-initialization function which exist only for newer hardware. Corresponding function pointer is not set (== 0) for older hardware, namely these chips: #define CHIP_NUM_57710 0x164e #define CHIP_NUM_57711 0x164f #define CHIP_NUM_57711E 0x1650 And I have one of those in my test system: Broadcom Inc. and subsidiaries NetXtreme II BCM57711E 10-Gigabit PCIe [14e4:1650] Function bnx2x_init_vlan_mac_fp_objs() from drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h decides whether to initialize relevant pointers in bnx2x_sp_objs.vlan_obj or not. This regression was introduced after v4.20-rc7, and still exists in v4.20 release. Fixes: 04f05230c5c13 ("bnx2x: Remove configured vlans as part of unload sequence.") Signed-off-by: Ivan Mironov <mironov.ivan@gmail.com> Signed-off-by: Ivan Mironov <mironov.ivan@gmail.com> Acked-by: Sudarsana Kalluru <Sudarsana.Kalluru@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24net/net_namespace: Check the return value of register_pernet_subsys()Aditya Pakki1-1/+2
In net_ns_init(), register_pernet_subsys() could fail while registering network namespace subsystems. The fix checks the return value and sends a panic() on failure. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24net/netlink_compat: Fix a missing check of nla_parse_nestedAditya Pakki1-2/+5
In tipc_nl_compat_sk_dump(), if nla_parse_nested() fails, it could return an error. To be consistent with other invocations of the function call, on error, the fix passes the return value upstream. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24ieee802154: lowpan_header_create check must check daddrWillem de Bruijn1-0/+3
Packet sockets may call dev_header_parse with NULL daddr. Make lowpan_header_ops.create fail. Fixes: 87a93e4eceb4 ("ieee802154: change needed headroom/tailroom") Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24net/mlx4_core: drop useless LIST_HEADJulia Lawall1-5/+0
Drop LIST_HEAD where the variable it declares has never been used. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; @@ - LIST_HEAD(x); ... when != x // </smpl> Fixes: c82e9aa0a8bc ("mlx4_core: resource tracking for HCA resources used by guests") Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24mlxsw: spectrum: drop useless LIST_HEADJulia Lawall1-1/+0
Drop LIST_HEAD where the variable it declares is never used. The uses were removed in 244cd96adb5f ("net_sched: remove list_head from tc_action"), but not the declaration. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; @@ - LIST_HEAD(x); ... when != x // </smpl> Fixes: 244cd96adb5f ("net_sched: remove list_head from tc_action") Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24net/mlx5e: drop useless LIST_HEADJulia Lawall1-3/+0
Drop LIST_HEAD where the variable it declares is never used. These became useless in 244cd96adb5f ("net_sched: remove list_head from tc_action") The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; @@ - LIST_HEAD(x); ... when != x // </smpl> Fixes: 244cd96adb5f ("net_sched: remove list_head from tc_action") Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24iptunnel: Set tun_flags in the iptunnel_metadata_reply from srcwenxu1-0/+1
ip l add tun type gretap external ip r a 10.0.0.2 encap ip id 1000 dst 172.168.0.2 key dev tun ip a a 10.0.0.1/24 dev tun The peer arp request to 10.0.0.1 with tunnel_id, but the arp reply only set the tun_id but not the tun_flags with TUNNEL_KEY. The arp reply packet don't contain tun_id field. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24net/mlx5e: fix semicolon.cocci warningskbuild test robot1-1/+1
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c:1339:57-58: Unneeded semicolon Remove unneeded semicolon. Generated by: scripts/coccinelle/misc/semicolon.cocci Fixes: 4c8fb2986d44 ("net/mlx5e: Increase VF representors' SQ size to 128") CC: Gavi Teitz <gavi@mellanox.com> Signed-off-by: kbuild test robot <fengguang.wu@intel.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24staging: octeon: fix build failure with XFRM enabledFlorian Westphal1-2/+1
skb->sp doesn't exist anymore in the next-next tree, so mips defconfig no longer builds. Use helper instead to reset the secpath. Not even compile tested. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reported-by: Guenter Roeck <linux@roeck-us.net> Fixes: 4165079ba328d ("net: switch secpath to use skb extension infrastructure") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-24dt-bindings: pwm: rcar: Add r8a774c0 supportFabrizio Castro1-0/+1
Document RZ/G2E (R8A774C0) SoC bindings. Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2018-12-24pwm: imx: Add ipg clock operationAnson Huang1-5/+48
i.MX PWM module's ipg_clk_s is for PWM register access, on most of i.MX SoCs, this ipg_clk_s is from system ipg clock or perclk which is always enabled, but on i.MX7D, the ipg_clk_s is from PWM1_CLK_ROOT which is controlled by CCGR132, that means the CCGR132 MUST be enabled first before accessing PWM registers on i.MX7D. This patch adds ipg clock operation to make sure register access successfully on i.MX7D and it fixes Linux kernel boot up hang during PWM driver probe. Fixes: 4a23e6ee9f69 ("ARM: dts: imx7d-sdb: Restore pwm backlight support") Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2018-12-24pwm: clps711x: Switch to SPDX identifierAlexander Shiyan1-7/+2
Adopt the SPDX license identifier headers to ease license compliance management. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2018-12-24pwm: clps711x: Fix period calculationAlexander Shiyan1-2/+2
Commit e39c0df1be5a ("pwm: Introduce the pwm_args concept") has changed the variable for the period for clps711x-pwm driver, so now pwm_get/set_period() works with pwm->state.period variable instead of pwm->args.period. This patch changes the period variable in other places where it is used. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2018-12-24pwm: bcm2835: Switch to SPDX identifierStefan Wahren1-4/+1
Adopt the SPDX license identifier headers to ease license compliance management. Cc: Bart Tanghe <bart.tanghe@thomasmore.be> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2018-12-24pwm: Enable Kona PWM to be built for the Cygnus architectureClément Péron1-1/+3
The Cygnus architecture uses a Kona PWM. This is already present in the device tree but can't be built actually. Hence, allow the Kona PWM to be built for the Cygnus architecture. Signed-off-by: Clément Péron <peron.clem@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Scott Branden <scott.branden@broadcom.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2018-12-23Revert "powerpc/fsl_pci: simplify fsl_pci_dma_set_mask"Scott Wood1-1/+5
This reverts commit c6e5485e0cb509292a14e880e1944143f99758c7 due to failures such as: e1000e 2000:01:00.0: Tx DMA map failed Signed-off-by: Scott Wood <oss@buserror.net>
2018-12-23net: Revert recent Spectre-v1 patches.David S. Miller4-9/+0
This reverts: 50d5258634ae ("net: core: Fix Spectre v1 vulnerability") d686026b1e6e ("phonet: af_phonet: Fix Spectre v1 vulnerability") a95386f0390a ("nfc: af_nfc: Fix Spectre v1 vulnerability") a3ac5817ffe8 ("can: af_can: Fix Spectre v1 vulnerability") After some discussion with Alexei Starovoitov these all seem to be completely unnecessary. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-23Linux 4.20Linus Torvalds1-1/+1
2018-12-23crypto: skcipher - remove remnants of internal IV generatorsEric Biggers18-182/+17
Remove dead code related to internal IV generators, which are no longer used since they've been replaced with the "seqiv" and "echainiv" templates. The removed code includes: - The "givcipher" (GIVCIPHER) algorithm type. No algorithms are registered with this type anymore, so it's unneeded. - The "const char *geniv" member of aead_alg, ablkcipher_alg, and blkcipher_alg. A few algorithms still set this, but it isn't used anymore except to show via /proc/crypto and CRYPTO_MSG_GETALG. Just hardcode "<default>" or "<none>" in those cases. - The 'skcipher_givcrypt_request' structure, which is never used. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: cavium/nitrox - Fix build with !CONFIG_DEBUG_FSEric Biggers1-2/+1
Fixes: cf718eaa8f9b ("crypto: cavium/nitrox - Enabled Mailbox support") Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: salsa20-generic - don't unnecessarily use atomic walkEric Biggers1-1/+1
salsa20-generic doesn't use SIMD instructions or otherwise disable preemption, so passing atomic=true to skcipher_walk_virt() is unnecessary. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: skcipher - add might_sleep() to skcipher_walk_virt()Eric Biggers1-0/+2
skcipher_walk_virt() can still sleep even with atomic=true, since that only affects the later calls to skcipher_walk_done(). But, skcipher_walk_virt() only has to allocate memory for some input data layouts, so incorrectly calling it with preemption disabled can go undetected. Use might_sleep() so that it's detected reliably. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: x86/chacha - avoid sleeping under kernel_fpu_begin()Eric Biggers1-13/+20
Passing atomic=true to skcipher_walk_virt() only makes the later skcipher_walk_done() calls use atomic memory allocations, not skcipher_walk_virt() itself. Thus, we have to move it outside of the preemption-disabled region (kernel_fpu_begin()/kernel_fpu_end()). (skcipher_walk_virt() only allocates memory for certain layouts of the input scatterlist, hence why I didn't notice this earlier...) Reported-by: syzbot+9bf843c33f782d73ae7d@syzkaller.appspotmail.com Fixes: 4af78261870a ("crypto: x86/chacha20 - add XChaCha20 support") Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: cavium/nitrox - Added AEAD cipher supportNagadheeraj Rottela7-605/+1103
Added support to offload AEAD ciphers to NITROX. Currently supported AEAD cipher is 'gcm(aes)'. Signed-off-by: Nagadheeraj Rottela <rnagadheeraj@marvell.com> Reviewed-by: Srikanth Jampala <jsrikanth@marvell.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: mxc-scc - fix build warnings on ARM64Fabio Estevam1-6/+6
The following build warnings are seen when building for ARM64 allmodconfig: drivers/crypto/mxc-scc.c:181:20: warning: format '%d' expects argument of type 'int', but argument 5 has type 'size_t' {aka 'long unsigned int'} [-Wformat=] drivers/crypto/mxc-scc.c:186:21: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=] drivers/crypto/mxc-scc.c:277:21: warning: format '%d' expects argument of type 'int', but argument 4 has type 'size_t' {aka 'long unsigned int'} [-Wformat=] drivers/crypto/mxc-scc.c:339:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] drivers/crypto/mxc-scc.c:340:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] Fix them by using the %zu specifier to print a size_t variable and using a plain %x to print the result of a readl(). Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: api - document missing stats memberCorentin Labbe1-0/+7
This patchs adds missing member of stats documentation. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: user - remove unused dump functionsCorentin Labbe3-48/+1
This patch removes unused dump functions for crypto_user_stats. There are remains of the copy/paste of crypto_user_base to crypto_user_stat and I forgot to remove them. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: chelsio - Fix wrong error counter incrementsHarsh Jain2-10/+10
Fix error counter increment in AEAD decrypt operation when validation of tag is done in Driver instead of H/W. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: chelsio - Reset counters on cxgb4 DetachHarsh Jain1-0/+4
Reset the counters on receiving detach from Cxgb4. Signed-off-by: Atul Gupta <atul.gupta@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: chelsio - Handle PCI shutdown eventHarsh Jain3-93/+278
chcr receives "CXGB4_STATE_DETACH" event on PCI Shutdown. Wait for processing of inflight request and Mark the device unavailable. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: chelsio - cleanup:send addr as value in function argumentHarsh Jain1-8/+8
Send dma address as value to function arguments instead of pointer. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: chelsio - Use same value for both channel in single WRHarsh Jain2-8/+6
Use tx_channel_id instead of rx_channel_id. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-23crypto: chelsio - Swap location of AAD and IV sent in WRHarsh Jain3-120/+104
Send input as IV | AAD | Data. It will allow sending IV as Immediate Data and Creates space in Work request to add more dma mapped entries. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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