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2016-08-22include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.hMikko Rapeli2-1/+38
Fixes these compiler warnings via libc-compat.h when glibc netipx/ipx.h is included before linux/ipx.h: ./linux/ipx.h:9:8: error: redefinition of ‘struct sockaddr_ipx’ ./linux/ipx.h:26:8: error: redefinition of ‘struct ipx_route_definition’ ./linux/ipx.h:32:8: error: redefinition of ‘struct ipx_interface_definition’ ./linux/ipx.h:49:8: error: redefinition of ‘struct ipx_config_data’ ./linux/ipx.h:58:8: error: redefinition of ‘struct ipx_route_def’ Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-22include/uapi/linux/openvswitch.h: use __u32 from linux/types.hMikko Rapeli1-1/+1
Kernel uapi header are supposed to use them. Fixes userspace compile error: linux/openvswitch.h:583:2: error: unknown type name ‘uint32_t’ Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-22include/uapi/linux/atm_zatm.h: include linux/time.hMikko Rapeli1-0/+1
Fixes userspace compile error: error: field ‘real’ has incomplete type struct timeval real; /* real (wall-clock) time */ Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-22include/uapi/linux/openvswitch.h: use __u32 from linux/types.hMikko Rapeli1-2/+2
Fixes userspace compiler error: error: unknown type name ‘uint32_t’ Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-22include/uapi/linux/if_pppox.h: include linux/in.h and linux/in6.hMikko Rapeli1-0/+2
Fixes userspace compilation errors: error: field ‘addr’ has incomplete type struct sockaddr_in addr; /* IP address and port to send to */ error: field ‘addr’ has incomplete type struct sockaddr_in6 addr; /* IP address and port to send to */ Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-22include/uapi/linux/if_pppol2tp.h: include linux/in.h and linux/in6.hMikko Rapeli1-1/+2
Fixes userspace compilation errors like: error: field ‘addr’ has incomplete type struct sockaddr_in addr; /* IP address and port to send to */ ^ error: field ‘addr’ has incomplete type struct sockaddr_in6 addr; /* IP address and port to send to */ Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-22include/uapi/linux/if_tunnel.h: include linux/if.h, linux/ip.h and linux/in6.hMikko Rapeli1-0/+3
Fixes userspace compilation errors like: error: field ‘iph’ has incomplete type error: field ‘prefix’ has incomplete type Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-22include/uapi/linux/if_pppox.h: include linux/if.hMikko Rapeli1-0/+1
Fixes userspace compilation error: error: ‘IFNAMSIZ’ undeclared here (not in a function) Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-21net: tehuti: fix typo: "eneble" -> "enable"Colin Ian King1-1/+1
trivial typo fix in pr_err message Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-20net: xilinx: emaclite: Fallback to random MAC address.Daniel Romell1-3/+5
If the address configured in the device tree is invalid, the driver will fallback to using a random address from the locally administered range. Signed-off-by: Daniel Romell <daro@hms.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19vmxnet3: fix tx data ring copy for variable sizeShrikrishna Khare2-3/+5
'Commit 3c8b3efc061a ("vmxnet3: allow variable length transmit data ring buffer")' changed the size of the buffers in the tx data ring from a fixed size of 128 bytes to a variable size. However, while copying data to the data ring, vmxnet3_copy_hdr continues to carry the old code that assumes fixed buffer size of 128. This patch fixes it by adding correct offset based on the actual data ring buffer size. Signed-off-by: Guolin Yang <gyang@vmware.com> Signed-off-by: Shrikrishna Khare <skhare@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19ixgbe: Do not clear RAR entry when clearing VMDq for SAN MACAlexander Duyck1-1/+3
The RAR entry for the SAN MAC address was being cleared when we were clearing the VMDq pool bits. In order to prevent this we need to add an extra check to protect the SAN MAC from being cleared. Fixes: 6e982aeae ("ixgbe: Clear stale pool mappings") Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19mlxsw: spectrum_buffers: Fix pool value handling in mlxsw_sp_sb_tc_pool_bind_setJiri Pirko1-8/+4
Pool index has to be converted by get_pool helper to work correctly for egress pool. In mlxsw the egress pool index starts from 0. Fixes: 0f433fa0ecc ("mlxsw: spectrum_buffers: Implement shared buffer configuration") Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19l2tp: Fix the connect status check in pppol2tp_getnameGao Feng1-1/+1
The sk->sk_state is bits flag, so need use bit operation check instead of value check. Signed-off-by: Gao Feng <fgao@ikuai8.com> Tested-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19sctp: linearize early if it's not GSOMarcelo Ricardo Leitner2-17/+7
Because otherwise when crc computation is still needed it's way more expensive than on a linear buffer to the point that it affects performance. It's so expensive that netperf test gives a perf output as below: Overhead Command Shared Object Symbol 18,62% netserver [kernel.vmlinux] [k] crc32_generic_shift 2,57% netserver [kernel.vmlinux] [k] __pskb_pull_tail 1,94% netserver [kernel.vmlinux] [k] fib_table_lookup 1,90% netserver [kernel.vmlinux] [k] copy_user_enhanced_fast_string 1,66% swapper [kernel.vmlinux] [k] intel_idle 1,63% netserver [kernel.vmlinux] [k] _raw_spin_lock 1,59% netserver [sctp] [k] sctp_packet_transmit 1,55% netserver [kernel.vmlinux] [k] memcpy_erms 1,42% netserver [sctp] [k] sctp_rcv # netperf -H 192.168.10.1 -l 10 -t SCTP_STREAM -cC -- -m 12000 SCTP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.10.1 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 212992 212992 12000 10.00 3016.42 2.88 3.78 1.874 2.462 After patch: Overhead Command Shared Object Symbol 2,75% netserver [kernel.vmlinux] [k] memcpy_erms 2,63% netserver [kernel.vmlinux] [k] copy_user_enhanced_fast_string 2,39% netserver [kernel.vmlinux] [k] fib_table_lookup 2,04% netserver [kernel.vmlinux] [k] __pskb_pull_tail 1,91% netserver [kernel.vmlinux] [k] _raw_spin_lock 1,91% netserver [sctp] [k] sctp_packet_transmit 1,72% netserver [mlx4_en] [k] mlx4_en_process_rx_cq 1,68% netserver [sctp] [k] sctp_rcv # netperf -H 192.168.10.1 -l 10 -t SCTP_STREAM -cC -- -m 12000 SCTP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.10.1 () port 0 AF_INET Recv Send Send Utilization Service Demand Socket Socket Message Elapsed Send Recv Send Recv Size Size Size Time Throughput local remote local remote bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB 212992 212992 12000 10.00 3681.77 3.83 3.46 2.045 1.849 Fixes: 3acb50c18d8d ("sctp: delay as much as possible skb_linearize") Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5: E-Switch, Avoid ACLs in the offloads modeOr Gerlitz1-7/+9
When we are in the switchdev/offloads mode, HW matching is done as dictated by the offloaded rules and hence we don't need to enable the ACLs mechanism used by the legacy mode. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5: E-Switch, Set the send-to-vport rules in the correct tableOr Gerlitz1-1/+1
While adding actual offloading support to the new switchdev mode, we didn't change the setup of the send-to-vport rules to put them in the slow path table, fix that. Fixes: 1033665e63b6 ('net/mlx5: E-Switch, Use two priorities for SRIOV offloads mode') Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5: E-Switch, Return the correct devlink e-switch modeOr Gerlitz1-5/+19
Since mlx5 has also the NONE e-switch mode, we must translate from mlx5 mode to devlink mode on the devlink eswitch mode get call, do that. While here, remove the mlx5_ prefix from the static function helpers that deal with the mode to comply with the rest of the code. Fixes: c930a3ad7453 ('net/mlx5e: Add devlink based SRIOV mode change') Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5e: Retrieve the switchdev id from the firmware only onceHadar Hen Zion3-3/+8
Avoid firmware command execution each time the switchdev HW ID attr get call is made. We do that by reading the ID (PF NIC MAC) only once at load time and store it on the representor structure. Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5e: Use correct flow dissector key on flower offloadingHadar Hen Zion1-1/+1
The wrong key is used when extracting the address type field set by the flower offload code. We have to use the control key and not the basic key, fix that. Fixes: e3a2b7ed018e ('net/mlx5e: Support offload cls_flower with drop action') Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5: Update last-use statistics for flow rulesAmir Vadai1-1/+10
Set lastuse statistic, when number of packets is changed compared to last query. This was wrongly dropped when bulk counter reading was added. Fixes: a351a1b03bf1 ('net/mlx5: Introduce bulk reading of flow counters') Signed-off-by: Amir Vadai <amirva@mellanox.com> Reported-by: Paul Blakey <paulb@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5: Added missing check of msg length in verifying its signaturePaul Blakey1-31/+54
Set and verify signature calculates the signature for each of the mailbox nodes, even for those that are unused (from cache). Added a missing length check to set and verify only those which are used. While here, also moved the setting of msg's nodes token to where we already go over them. This saves a pass because checksum is disabled, and the only useful thing remaining that set signature does is setting the token. Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters') Signed-off-by: Paul Blakey <paulb@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5: Fix pci error recovery flowMohamad Haj Yahia1-30/+29
When PCI error is detected we should save the state of the pci prior to disabling it. Also when receiving pci slot reset call we need to verify that the device is responsive. Fixes: 89d44f0a6c73 ('net/mlx5_core: Add pci error handlers to mlx5_core driver') Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5e: Optimization for MTU changeTariq Toukan1-2/+7
Avoid unnecessary interface down/up operations upon an MTU change when it does not affect the rings configuration. Fixes: 461017cb006a ("net/mlx5e: Support RX multi-packet WQE (Striding RQ)") Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-19net/mlx5e: Set port MTU on netdev creation rather on openSaeed Mahameed1-4/+3
Port mtu shouldn't be written to hardware on every single interface open. Here we set it only when needed, on change_mtu and netdevice creation. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18fib_trie: Fix the description of pos and bitsXunlei Pang1-2/+2
1) Fix one typo: s/tn/tp/ 2) Fix the description about the "u" bits. Signed-off-by: Xunlei Pang <xlpang@redhat.com> Acked-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18kaweth: fix oops upon failed memory allocationOliver Neukum1-1/+6
Just return an error upon failure. Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18kaweth: fix firmware downloadOliver Neukum1-2/+1
This fixes the oops discovered by the Umap2 project and Alan Stern. The intf member needs to be set before the firmware is downloaded. Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18net: bgmac: fix reversed check for MII registration errorRafał Miłecki1-1/+1
It was failing on successful registration returning meaningless errors. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Fixes: 55954f3bfdac ("net: ethernet: bgmac: move BCMA MDIO Phy code into a separate file") Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18tcp: fix use after free in tcp_xmit_retransmit_queue()Eric Dumazet1-0/+2
When tcp_sendmsg() allocates a fresh and empty skb, it puts it at the tail of the write queue using tcp_add_write_queue_tail() Then it attempts to copy user data into this fresh skb. If the copy fails, we undo the work and remove the fresh skb. Unfortunately, this undo lacks the change done to tp->highest_sack and we can leave a dangling pointer (to a freed skb) Later, tcp_xmit_retransmit_queue() can dereference this pointer and access freed memory. For regular kernels where memory is not unmapped, this might cause SACK bugs because tcp_highest_sack_seq() is buggy, returning garbage instead of tp->snd_nxt, but with various debug features like CONFIG_DEBUG_PAGEALLOC, this can crash the kernel. This bug was found by Marco Grassi thanks to syzkaller. Fixes: 6859d49475d4 ("[TCP]: Abstract tp->highest_sack accessing & point to next skb") Reported-by: Marco Grassi <marco.gra@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Cc: Yuchung Cheng <ycheng@google.com> Cc: Neal Cardwell <ncardwell@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18cxgb4: Fixes resource allocation for ULD's in kdump kernelHariprasad Shenai1-5/+5
At present the code to check in kdump kernel was not disabling allocation of resources when CONFIG_CHELSIO_T4_DCB is defined, move the code outside #defines so that it gets disabled irrespective of #define, when in kdump kernel. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18net: thunderx: Fix OOPs with ethtool --register-dumpDavid Daney2-2/+4
The ethtool_ops .get_regs function attempts to read the nonexistent register NIC_QSET_SQ_0_7_CNM_CHG, which produces a "bus error" type OOPs. Fix by not attempting to read, and removing the definition of, NIC_QSET_SQ_0_7_CNM_CHG. A zero is written into the register dump to keep the layout unchanged. Signed-off-by: David Daney <david.daney@cavium.com> Cc: <stable@vger.kernel.org> # 4.4.x- Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18qede: Fix Tx timeout due to xmit_moreYuval Mintz1-1/+4
Driver uses netif_tx_queue_stopped() to make sure the xmit_more indication will be honored, but that only checks for DRV_XOFF. At the same time, it's possible that during transmission the DQL will close the transmission queue with STACK_XOFF indication. In re-configuration flows, when the threshold is relatively low, it's possible that the device has no pending tranmissions, and during tranmission the driver would miss doorbelling the HW. Since there are no pending transmission, there will never be a Tx completion [and thus the DQL would not remove the STACK_XOFF indication], eventually causing the Tx queue to timeout. While we're at it - also doorbell in case driver has to close the transmission queue on its own [although this one is less important - if the ring is full, we're bound to receive completion eventually, which means the doorbell would only be postponed and not indefinetly blocked]. Fixes: 312e06761c99 ("qede: Utilize xmit_more") Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-18netfilter: cttimeout: fix use after free error when delete netnsLiping Zhang1-6/+10
In general, when we want to delete a netns, cttimeout_net_exit will be called before ipt_unregister_table, i.e. before ctnl_timeout_put. But after call kfree_rcu in cttimeout_net_exit, we will still decrease the timeout object's refcnt in ctnl_timeout_put, this is incorrect, and will cause a use after free error. It is easy to reproduce this problem: # while : ; do ip netns add xxx ip netns exec xxx nfct add timeout testx inet icmp timeout 200 ip netns exec xxx iptables -t raw -p icmp -I OUTPUT -j CT --timeout testx ip netns del xxx done ======================================================================= BUG kmalloc-96 (Tainted: G B E ): Poison overwritten ----------------------------------------------------------------------- INFO: 0xffff88002b5161e8-0xffff88002b5161e8. First byte 0x6a instead of 0x6b INFO: Allocated in cttimeout_new_timeout+0xd4/0x240 [nfnetlink_cttimeout] age=104 cpu=0 pid=3330 ___slab_alloc+0x4da/0x540 __slab_alloc+0x20/0x40 __kmalloc+0x1c8/0x240 cttimeout_new_timeout+0xd4/0x240 [nfnetlink_cttimeout] nfnetlink_rcv_msg+0x21a/0x230 [nfnetlink] [ ... ] So only when the refcnt decreased to 0, we call kfree_rcu to free the timeout object. And like nfnetlink_acct do, use atomic_cmpxchg to avoid race between ctnl_timeout_try_del and ctnl_timeout_put. Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-08-18netfilter: nfnetlink_acct: fix race between nfacct del and xt_nfacct destroyLiping Zhang1-4/+4
Suppose that we input the following commands at first: # nfacct add test # iptables -A INPUT -m nfacct --nfacct-name test And now "test" acct's refcnt is 2, but later when we try to delete the "test" nfacct and the related iptables rule at the same time, race maybe happen: CPU0 CPU1 nfnl_acct_try_del nfnl_acct_put atomic_dec_and_test //ref=1,testfail - - atomic_dec_and_test //ref=0,testok - kfree_rcu atomic_inc //ref=1 - So after the rcu grace period, nf_acct will be freed but it is still linked in the nfnl_acct_list, and we can access it later, then oops will happen. Convert atomic_dec_and_test and atomic_inc combinaiton to one atomic operation atomic_cmpxchg here to fix this problem. Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-08-17net_sched: allow flushing tc police actionsRoman Mashak1-42/+1
The act_police uses its own code to walk the action hashtable, which leads to that we could not flush standalone tc police actions, so just switch to tcf_generic_walker() like other actions. (Joint work from Roman and Cong.) Signed-off-by: Roman Mashak <mrv@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17net_sched: unify the init logic for act_policeWANG Cong1-9/+10
Jamal reported a crash when we create a police action with a specific index, this is because the init logic is not correct, we should always create one for this case. Just unify the logic with other tc actions. Fixes: a03e6fe56971 ("act_police: fix a crash during removal") Reported-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17net_sched: convert tcf_exts from list to pointer arrayWANG Cong7-41/+85
As pointed out by Jamal, an action could be shared by multiple filters, so we can't use list to chain them any more after we get rid of the original tc_action. Instead, we could just save pointers to these actions in tcf_exts, since they are refcount'ed, so convert the list to an array of pointers. The "ugly" part is the action API still accepts list as a parameter, I just introduce a helper function to convert the array of pointers to a list, instead of relying on the C99 feature to iterate the array. Fixes: a85a970af265 ("net_sched: move tc_action into tcf_common") Reported-by: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17net_sched: move tc offload macros to pkt_cls.hWANG Cong2-16/+22
struct tcf_exts belongs to filters, should not be visible to plain tc actions. Cc: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17net_sched: fix a typo in tc_for_each_action()WANG Cong1-1/+1
It is harmless because all users pass 'a' to this macro. Fixes: 00175aec941e ("net/sched: Macro instead of CONFIG_NET_CLS_ACT ifdef") Cc: Amir Vadai <amir@vadai.me> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17net_sched: remove an unnecessary list_del()WANG Cong1-1/+0
This list_del() for tc action is not needed actually, because we only use this list to chain bulk operations, therefore should not be carried for latter operations. Fixes: ec0595cc4495 ("net_sched: get rid of struct tcf_common") Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17net_sched: remove the leftover cleanup_a()WANG Cong1-19/+3
After refactoring tc_action into tcf_common, we no longer need to cleanup temporary "actions" in list, they are permanently stored in the hashtable. Fixes: a85a970af265 ("net_sched: move tc_action into tcf_common") Reported-by: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: spectrum: Allow packets to be trapped from any PGIdo Schimmel1-1/+1
When packets enter the device they are classified to a priority group (PG) buffer based on their PCP value. After their egress port and traffic class are determined they are moved to the switch's shared buffer and await transmission, if: (Ingress{Port}.Usage < Thres && Ingress{Port,PG}.Usage < Thres && Egress{Port}.Usage < Thres && Egress{Port,TC}.Usage < Thres) || (Ingress{Port}.Usage < Min || Ingress{Port,PG} < Min || Egress{Port}.Usage < Min || Egress{Port,TC}.Usage < Min) Packets scheduled to transmission through CPU port (trapped to CPU) use traffic class 7, which has a zero maximum and minimum quotas. However, when such packets arrive from PG 0 they are admitted to the shared buffer as PG 0 has a non-zero minimum quota. Allow all packets to be trapped to the CPU - regardless of the PG they were classified to - by assigning a 10KB minimum quota for CPU port and TC7. Fixes: 8e8dfe9fdf06 ("mlxsw: spectrum: Add IEEE 802.1Qaz ETS support") Reported-by: Tamir Winetroub <tamirw@mellanox.com> Tested-by: Tamir Winetroub <tamirw@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: spectrum: Unmap 802.1Q FID before destroying itIdo Schimmel1-0/+2
Before destroying the 802.1Q FID we should first remove the VID-to-FID mapping. This makes mlxsw_sp_fid_destroy() symmetric with regards to mlxsw_sp_fid_create(). Fixes: 14d39461b3f4 ("mlxsw: spectrum: Use per-FID struct for the VLAN-aware bridge") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: spectrum: Add missing rollbacks in error pathIdo Schimmel1-1/+3
While going over the code I noticed we are missing two rollbacks in the port's creation error path. Add them and adjust the place of one of them in the port's removal sequence so that both are symmetric. Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: reg: Fix missing op field fill-upJiri Pirko1-0/+1
Ralue pack function needs to set op, otherwise it is 0 for add always. Fixes: d5a1c749d22 ("mlxsw: reg: Add Router Algorithmic LPM Unicast Entry Register definition") Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: spectrum: Trap loop-backed packetsIdo Schimmel3-0/+16
One of the conditions to generate an ICMP Redirect Message is that "the packet is being forwarded out the same physical interface that it was received from" (RFC 1812). Therefore, we need to be able to trap such packets and let the kernel decide what to do with them. For each RIF, enable the loop-back filter, which will raise the LBERROR trap whenever the ingress RIF equals the egress RIF. Fixes: 99724c18fc66 ("mlxsw: spectrum: Introduce support for router interfaces") Reported-by: Ilan Tayari <ilant@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: spectrum: Add missing packet trapsElad Raz2-0/+18
Add the following traps: 1) MTU Error: Trap packets whose size is bigger than the egress RIF's MTU. If DF bit isn't set, traffic will continue to be routed in slow path. 2) TTL Error: Trap packets whose TTL expired. This allows traceroute to work properly. 3) OSPF packets. Fixes: 7b27ce7bb9cd ("mlxsw: spectrum: Add traps needed for router implementation") Signed-off-by: Elad Raz <eladr@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: spectrum: Mark port as active before registering itIdo Schimmel1-2/+3
Commit bbf2a4757b30 ("mlxsw: spectrum: Initialize ports at the end of init sequence") moved ports initialization to the end of the init sequence, which means ports are the first to be removed during fini. Since the FDB delayed work is still active when ports are removed it's possible for it to process FDB notifications of inactive ports, resulting in a warning message. Fix that by marking ports as inactive only after unregistering them. The NETDEV_UNREGISTER event will invoke bridge's driver port removal sequence that will cause the FDB (and FDB notifications) to be flushed. Fixes: bbf2a4757b30 ("mlxsw: spectrum: Initialize ports at the end of init sequence") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-17mlxsw: spectrum: Create PVID vPort before registering netdeviceIdo Schimmel3-46/+29
After registering a netdevice it's possible for user space applications to configure an IP address on it. From the driver's perspective, this means a router interface (RIF) should be created for the PVID vPort. Therefore, we must create the PVID vPort before registering the netdevice. Fixes: 99724c18fc66 ("mlxsw: spectrum: Introduce support for router interfaces") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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