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Conflicts:
drivers/target/target_core_tpg.c
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Conflicts:
include/linux/mlx4/device.h
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This patch removes the net_random and net_srandom macros and replaces
them with direct calls to the prandom ones. As new commits only seem to
use prandom_u32 there is no use to keep them around.
This change makes it easier to grep for users of prandom_u32.
Signed-off-by: Aruna-Hewapathirane <aruna.hewapathirane@gmail.com>
Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
drivers/infiniband/hw/mlx4/main.c
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Existing user space applications provide only IBoE L3 address
attributes to the kernel when they issue a modify QP modify. To work
with them and let such apps (plus kernel consumers which don't use the
RDMA-CM) keep working transparently under the IBoE GID IP addressing
changes, add an Eth L2 address resolution helper.
Signed-off-by: Moni Shoua <monis@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch is similar in spirit to the "IB/mlx4: Use IBoE (RoCE) IP
based GIDs in the port GID table" patch.
Changes to inet4 and inet6 addresses for the host are monitored and if
the address is associated with an ocrdma device then a gid is added or
deleted from the device's gid table. The gid format will be a IPv4 to
IPv6 mapped or the IPv6 address.
Cc: Naresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch is similar in spirit to the "IB/mlx4: Handle Ethernet L2
parameters for IP based GID addressing". It handles the fact that IP
based RoCE gids don't store Ethernet L2 parameters, MAC and VLAN.
When building an address handle, instead of parsing the dgid to
get the MAC and VLAN, take them from the address handle attributes.
Cc: Naresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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IP based RoCE gids don't store Ethernet L2 parameters, MAC and VLAN.
Therefore, we need to extract them from the CQE and place them in
struct ib_wc (to be used for cases were they were taken from the gid).
Also, when modifying a QP or building address handle, instead of
parsing the dgid to get the MAC and VLAN, take them from the address
handle attributes.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Currently, the mlx4 driver set IBoE (RoCE) gids to encode related
Ethernet netdevice interface MAC address and possibly VLAN id.
Change this scheme such that gids encode interface IP addresses (both
IP4 and IPv6).
This requires learning the IP addresses which are of use by a
netdevice associated with the HCA port, formatting them to gids and
adding them to the port gid table. Furthermore, events of add and
delete address are caught to maintain the gid table accordingly.
Associated IP addresses may belong to a master of an Ethernet
netdevice on top of that port so this should be considered when
building and maintaining the gid table.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Currently, the IB core and specifically the RDMA-CM assumes that IBoE
(RoCE) gids encode related Ethernet netdevice interface MAC address
and possibly VLAN id.
Change gids to be treated as they encode interface IP address.
Since Ethernet layer 2 address parameters are not longer encoded
within gids, we have to extend the Infiniband address structures (e.g.
ib_ah_attr) with layer 2 address parameters, namely mac and vlan.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch add the support for Ethernet L2 attributes in the
verbs/cm/cma structures.
When dealing with L2 Ethernet, we should use smac, dmac, vlan ID and priority
in a similar manner that the IB L2 (and the L4 PKEY) attributes are used.
Thus, those attributes were added to the following structures:
* ib_ah_attr - added dmac
* ib_qp_attr - added smac and vlan_id, (sl remains vlan priority)
* ib_wc - added smac, vlan_id
* ib_sa_path_rec - added smac, dmac, vlan_id
* cm_av - added smac and vlan_id
For the path record structure, extra care was taken to avoid the new
fields when packing it into wire format, so we don't break the IB CM
and SA wire protocol.
On the active side, the CM fills. its internal structures from the
path provided by the ULP. We add there taking the ETH L2 attributes
and placing them into the CM Address Handle (struct cm_av).
On the passive side, the CM fills its internal structures from the WC
associated with the REQ message. We add there taking the ETH L2
attributes from the WC.
When the HW driver provides the required ETH L2 attributes in the WC,
they set the IB_WC_WITH_SMAC and IB_WC_WITH_VLAN flags. The IB core
code checks for the presence of these flags, and in their absence does
address resolution from the ib_init_ah_from_wc() helper function.
ib_modify_qp_is_ok is also updated to consider the link layer. Some
parameters are mandatory for Ethernet link layer, while they are
irrelevant for IB. Vendor drivers are modified to support the new
function signature.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch adds support for steerable (NETIF) QP creation. When we
create the device, we allocate a range of steerable QPs.
Afterward when a QP is created with the NETIF flag, it's allocated
from this range. Allocation is managed by bitmap allocator.
Internal steering rules for those QPs is automatically generated on
their creation.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The mlx4 device requires adding IB flow spec to rules that apply over
infiniband link layer. This patch adds a mechanism to add such a rule.
If higher levels e.g. IP/UDP/TCP flow specs are provided, the device
requires us to add an empty wild-carded IB rule. Furthermore, the device
requires the QPN to be put in the rule.
Add here specific parsing support for IB empty rules and the ability
to self-generate missing specs based on existing ones.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Up until now, flow steering wasn't supported when using IB ports.
This patch enables support for flow steering if all hardware ports
support that, for example the new MLX4_DEV_CAP_FLAG2_DMFS_IPOIB mlx4
device capability.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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When creating an IPoIB UD QP, provide a hint to the low level driver
that the QP should support flow-steering. This means that privileged
user space applications can steer TCP/IP IPoIB traffic from the
network stack, in a similar manner done with Ethernet RAW_PACKET QPs.
The hint is provided through new QP creation flag called NETIF_QP.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The current code attmepts to call ib_umem_get() even if the length is
zero, which causes a failure. Since the spec allows zero length work
queues, change the code so we don't call ib_umem_get() in those cases.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Implement resize CQ which is a mandatory verb in mlx5.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Modify CQ is used by ULPs like IPoIB to change moderation parameters. This
patch adds support in mlx5.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Put a wmb() to make sure the doorbell record is visible to the HCA before we
hit doorbell.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The micro UAR (uuar) allocator had a bug which resulted from the fact
that in each UAR we only have two micro UARs avaialable, those at
index 0 and 1. This patch defines iterators to aid in traversing the
list of available micro UARs when allocating a uuar.
In addition, change the logic in create_user_qp() so that if high
class allocation fails (high class means lower latency), we revert to
medium class and not to the low class.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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The variable start in struct mlx5_ib_mr is never used. Remove it.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add comment describing usnic_transport_rsrv port and remove
extraneous space from usnic_transport.c.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Use for_each_sg() instead of an explicit for-loop to iterate over
scatter-gather list.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add RDMA_TRANSPORT_USNIC_UDP which will be used by usNIC.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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UDP support for qp_grps/qps.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add supports for:
1) Parsing the socket file descriptor pass down from userspace.
2) IP notifiers
3) Encoding the IP in the GID
4) Other aux. changes to support UDP
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch provides API for rest of usNIC code to increment or decrement
socket's reference count. Auxiliary socket APIs are also provided.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add *ip field* to *struct usnic_fwd_dev* as well as new *functions* to
manipulate the *ip field.* Furthermore, add new functions for
programming UDP flows in the forwarding device.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Expand the kernel/userspace interface so userspace may push down
a socket file descriptor to usNIC. Also, bump up the abi and version
numbers.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch ports usnic_ib_sysfs.c to the new interface of
usnic_fwd.h.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch ports usnic_ib_qp_grp.[hc] to the new interface
of usnic_fwd.h.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This patch ports usnic_ib_main.c, usnic_ib_verbs.c and usnic_ib.h
to the new interface of usnic_fwd.h.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Push all of the usnic device forwarding state - such as mtu, mac - to
usnic_fwd_dev. Furthermore, usnic_fwd.h exposes a improved interface
for rest of the usnic code. The primary improvement is that
usnic_fwd.h's flow management interface takes in high-level *filter*
and *action* structures now, instead of low-level paramaters such as
vnic_idx, rq_idx.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add *struct usnic_transport_spec* for passing around transport
specifications.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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usNIC calls WARN_ON(spin_is_locked..) at few places. In some of these
instances, the call is made while holding a spinlock. Change
all WARN_ON(spin_is_locked...) calls in usNIC to
lockdep_assert_held to make it fool-proof bc the latter can be
called while holding a spinlock and unlike spin_is_locked,
lockdep_assert_held also works correctly on UP.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This adds a driver that allows userspace to use UD-like QPs over a
proprietary Cisco transport with Cisco's Virtual Interface Cards (VICs),
including VIC 1240 and 1280 cards.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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OCRDMA_GEN2_FAMILY is wrongly defined as 0x02 -- it should be 0x0F.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix ah->av->valid bit position and big endian portability.
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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This routine may help for protection registration as well.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This routine may be called both by fast registration
descriptors for data and for integrity buffers.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Use fast registration lingo. fast registration will
also incorporate signature/DIF registration.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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It is more correct to seperate connections protection domains
and dma_mr handles. protection information support requires to
do so.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Conflicts:
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
net/ipv6/ip6_tunnel.c
net/ipv6/ip6_vti.c
ipv6 tunnel statistic bug fixes conflicting with consolidation into
generic sw per-cpu net stats.
qlogic conflict between queue counting bug fix and the addition
of multiple MAC address support.
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we create a new infiniband link with uninfiniband device, e.g. `ip link
add link em1 type ipoib pkey 0x8001`. We will get a NULL pointer dereference
cause other dev like Ethernet don't have struct ib_device.
The code path is:
rtnl_newlink
|-- ipoib_new_child_link
|-- __ipoib_vlan_add
|-- ipoib_set_dev_features
|-- ib_query_device
Fix this bug by make sure the src net is infiniband when create new link.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
"Some holiday bug fixes for 3.13... There is still one bug I'd like to
get fixed before 3.13-final.
The vlan code erroneously assignes the header ops of the underlying
real device to the VLAN device above it when the real device can
hardware offload VLAN handling. That's completely bogus because
header ops are tied to the device type, so they only expect to see a
'dev' argument compatible with their ops.
The fix is the have the VLAN code use a special set of header ops that
does the pass-thru correctly, by calling the underlying real device's
header ops but _also_ passing in the real device instead of the VLAN
device.
That fix is currently waiting some testing.
Anyways, of note here:
1) Fix bitmap edge case in radiotap, from Johannes Berg.
2) Fix oops on driver unload in rtlwifi, from Larry Finger.
3) Bonding doesn't do locking correctly during speed/duplex/link
changes, from Ding Tianhong.
4) Fix header parsing in GRE code, this bug has been around for a few
releases. From Timo Teräs.
5) SIT tunnel driver MTU check needs to take GSO into account, from
Eric Dumazet.
6) Minor info leak in inet_diag, from Daniel Borkmann.
7) Info leak in YAM hamradio driver, from Salva Peiró.
8) Fix route expiration state handling in ipv6 routing code, from Li
RongQing.
9) DCCP probe module does not check request_module()'s return value,
from Wang Weidong.
10) cpsw driver passes NULL device names to request_irq(), from
Mugunthan V N.
11) Prevent a NULL splat in RDS binding code, from Sasha Levin.
12) Fix 4G overflow test in tg3 driver, from Nithin Sujir.
13) Cure use after free in arc_emac and fec driver's software
timestamp handling, from Eric Dumazet.
14) SIT driver can fail to release the route when
iptunnel_handle_offloads() throws an error. From Li RongQing.
15) Several batman-adv fixes from Simon Wunderlich and Antonio
Quartulli.
16) Fix deadlock during TIPC socket release, from Ying Xue.
17) Fix regression in ROSE protocol recvmsg() msg_name handling, from
Florian Westphal.
18) stmmac PTP support releases wrong spinlock, from Vince Bridgers"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (73 commits)
stmmac: Fix incorrect spinlock release and PTP cap detection.
phy: IRQ cannot be shared
net: rose: restore old recvmsg behavior
xen-netback: fix guest-receive-side array sizes
fec: Do not assume that PHY reset is active low
tipc: fix deadlock during socket release
netfilter: nf_tables: fix wrong datatype in nft_validate_data_load()
batman-adv: fix vlan header access
batman-adv: clean nf state when removing protocol header
batman-adv: fix alignment for batadv_tvlv_tt_change
batman-adv: fix size of batadv_bla_claim_dst
batman-adv: fix size of batadv_icmp_header
batman-adv: fix header alignment by unrolling batadv_header
batman-adv: fix alignment for batadv_coded_packet
netfilter: nf_tables: fix oops when updating table with user chains
netfilter: nf_tables: fix dumping with large number of sets
ipv6: release dst properly in ipip6_tunnel_xmit
netxen: Correct off-by-one errors in bounds checks
net: Add some clarification to skb_tx_timestamp() comment.
arc_emac: fix potential use after free
...
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Use the possibly more efficient ether_addr_equal
to instead of memcmp.
Cc: Roland Dreier <roland@kernel.org>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: linux-rdma@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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