Commit Graph

25115 Commits

Author SHA1 Message Date
Michael Chan
98f04cf0f1 bnxt_en: Check context memory requirements from firmware.
New device requires host context memory as a backing store.  Call
firmware to check for context memory requirements and store the
parameters.  Allocate host pages accordingly.

We also need to move the call bnxt_hwrm_queue_qportcfg() earlier
so that all the supported hardware queues and the IDs are known
before checking and allocating context memory.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:44:32 -07:00
Michael Chan
66cca20abc bnxt_en: Add new flags to setup new page table PTE bits on newer devices.
Newer chips require the PTU_PTE_VALID bit to be set for every page
table entry for context memory and rings.  Additional bits are also
required for page table entries for all rings.  Add a flags field to
bnxt_ring_mem_info struct to specify these additional bits to be used
when setting up the pages tables as needed.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:44:31 -07:00
Michael Chan
6fe1988685 bnxt_en: Refactor bnxt_ring_struct.
Move the DMA page table and vmem fields in bnxt_ring_struct to a new
bnxt_ring_mem_info struct.  This will allow context memory management
for a new device to re-use some of the existing infrastructure.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:44:31 -07:00
Michael Chan
74706afa71 bnxt_en: Update interrupt coalescing logic.
New firmware spec. allows interrupt coalescing parameters, such as
maximums, timer units, supported features to be queried.  Update
the driver to make use of the new call to query these parameters
and provide the legacy defaults if the call is not available.

Replace the hard-coded values with these parameters.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:44:31 -07:00
Michael Chan
1dfddc41ae bnxt_en: Add maximum extended request length fw message support.
Support the max_ext_req_len field from the HWRM_VER_GET_RESPONSE.
If this field is valid and greater than the mailbox size, use the
short command format to send firmware messages greater than the
mailbox size.  Newer devices use this method to send larger messages
to the firmware.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:44:31 -07:00
Michael Chan
36e53349b6 bnxt_en: Add additional extended port statistics.
Latest firmware spec. has some additional rx extended port stats and new
tx extended port stats added.  We now need to check the size of the
returned rx and tx extended stats and determine how many counters are
valid.  New counters added include CoS byte and packet counts for rx
and tx.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:44:31 -07:00
Michael Chan
31d357c069 bnxt_en: Update firmware interface spec. to 1.10.0.3.
Among the new changes are trusted VF support, 200Gbps support, and new
API to dump ring information on the new chips.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:44:31 -07:00
Heiner Kallweit
2527e4037f r8169: remove unneeded call to netif_stop_queue in rtl8169_net_suspend
netif_device_detach() stops all tx queues already, so we don't need
this call.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:35:03 -07:00
Heiner Kallweit
34bc009543 r8169: simplify rtl8169_set_magic_reg
Simplify this function, no functional change intended.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:34:34 -07:00
Arnd Bergmann
44eb385bc5 octeontx2-af: remove unused cgx_fwi_link_change
The newly added driver causes a warning about a function that is
not used anywhere:

drivers/net/ethernet/marvell/octeontx2/af/cgx.c:320:12: error: 'cgx_fwi_link_change' defined but not used [-Werror=unused-function]

Remove it for now, until a user gets added. If we want to use this
function from another module, we also need a declaration in a header
file, which is currently missing, so it would have to change anyway.

Fixes: 1463f382f5 ("octeontx2-af: Add support for CGX link management")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:31:54 -07:00
Ryan C Goodfellow
5948185b97 nfp: devlink port split support for 1x100G CXP NIC
This commit makes it possible to use devlink to split the 100G CXP
Netronome into two 40G interfaces. Currently when you ask for 2
interfaces, the math in src/nfp_devlink.c:nfp_devlink_port_split
calculates that you want 5 lanes per port because for some reason
eth_port.port_lanes=10 (shouldn't this be 12 for CXP?). What we really
want when asking for 2 breakout interfaces is 4 lanes per port. This
commit makes that happen by calculating based on 8 lanes if 10 are
present.

Signed-off-by: Ryan C Goodfellow <rgoodfel@isi.edu>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Greg Weeks <greg.weeks@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:29:55 -07:00
Ioana Radulescu
b948c8c6a7 dpaa2-eth: remove unused FD field
According to the hardware ArchDef, the PTV1 field in FD[CTRL]
is ignored by WRIOP, so setting it for Tx FDs is pointless.

Remove all references to it from the code.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:23:19 -07:00
Ioana Ciornei
b00c898c00 dpaa2-eth: mark unused parameter in dpaa2_eth_tx_conf
The ch parameter is never used in the dpaa2_eth_tx_conf function but
since its prototype must match the type defined in the consume field of
struct dpaa2_eth_fq, just mark it as __always_unused.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:23:19 -07:00
Ioana Ciornei
fdb6ca9e46 dpaa2-eth: remove unused priv parameter
The priv parameter is never used in the build_linear_skb and
drain_channel function. Remove it from the function definitions.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:23:19 -07:00
Ioana Ciornei
85b7a342ba dpaa2-eth: fix uninitialized variable warnings
All 3 cases of possible uninitialized variables are false
positives since they are used only as output parameters.
Nonetheless, fix the warnings.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:23:19 -07:00
Ioana Ciornei
3233c1514f dpaa2-eth: make dpaa2_eth_set_dist_key static
The dpaa2_eth_set_dist_key function is only used in a single file.
Make it static.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:23:19 -07:00
Ioana Radulescu
b12cef51b5 dpaa2-eth: Fix Kconfig dependencies
Both ARCH_LAYERSCAPE and COMPILE_TEST dependencies are already implied
through the FSL_MC_BUS dep, so there's no need to state it explicitly.

Also, the fsl-mc bus depends on COMPILE_TEST only for some
architectures (arm, arm64, ppc, x86), so it's not correct to
claim build support unconditionally.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:23:19 -07:00
Ivan Khoronzhuk
5b3a5a14f8 net: ethernet: ti: cpsw: use for mcast entries only host port
In dual-emac mode the cpsw driver sends directed packets, that means
that packets go to the directed port, but an ALE lookup is performed
to determine untagged egress only. It means that on tx side no need
to add port bit for ALE mcast entry mask, and basically ALE entry
for port identification is needed only on rx side.

So, add only host port in dual_emac mode as used directed
transmission, and no need in one more port. For single port boards
and switch mode all ports used, as usual, so no changes for them.
Also it simplifies farther changes.

In other words, mcast entries for dual-emac should behave exactly
like unicast. It also can help avoid leaking packets between ports
with same vlan on h/w level if ports could became members of same vid.

So now, for instance, if mcast address 33:33:00:00:00:01 is added then
entries in ALE table:

vid = 1, addr = 33:33:00:00:00:01, port_mask = 0x1
vid = 2, addr = 33:33:00:00:00:01, port_mask = 0x1

Instead of:
vid = 1, addr = 33:33:00:00:00:01, port_mask = 0x3
vid = 2, addr = 33:33:00:00:00:01, port_mask = 0x5

With the same considerations, set only host port for unregistered
mcast for dual-emac mode in case of IFF_ALLMULTI is set, exactly like
it's done in cpsw_ale_set_allmulti().

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:22:12 -07:00
Ivan Khoronzhuk
5da1948969 net: ethernet: ti: cpsw: fix lost of mcast packets while rx_mode update
Whenever kernel or user decides to call rx mode update, it clears
every multicast entry from forwarding table and in some time adds
it again. This time can be enough to drop incoming multicast packets.

That's why clear only staled multicast entries and update or add new
one afterwards.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:21:28 -07:00
Ivan Khoronzhuk
58bdeac8b0 net: ethernet: ti: cpsw_ale: use const for API having pointer on mac address
It allows to use function under callbacks with same const qualifier of
mac address for farther changes.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 22:21:27 -07:00
David S. Miller
1986647c2f mlx5e-updates-2018-10-10
IPoIB netlink support and mlx5e pre-allocated netdevice initialization
 
 IP link was broken due to the changes in IPoIB for the rdma_netdev
 support after commit cd565b4b51
 ("IB/IPoIB: Support acceleration options callbacks").
 
 This patchset fixes IPoIB pkey creation and removal using rtnetlink by
 adding support in both IPoIB ULP layer and mlx5 layer:
 
 From Jason and Denis:
 1) Introduces changes in the RDMA netdev code in order to
    allow allocation of the netdev to be done by the rtnl netdev code.
 2) Reworks IPoIB initialization to use the two step rdma_netdev
    creation.
 
 From Feras and Saeed, mlx5e netdev layer refactoring to allow accepting
 pre-allocated netdevs:
 3) Adds support to initialize/cleanup netdevs that are not created
    by mlx5 driver.
 4) Change mlx5e netdevice layer to accept the pre-allocated netdevice
    queue number.
 5) Initialize mlx5e generic structures in one place to be used for all
    netdevs types NIC/representors/IPoIB (both mlx5 allocated and
    pre-allocted).
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Merge tag 'mlx5e-updates-2018-10-10' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5e-updates-2018-10-10

IPoIB netlink support and mlx5e pre-allocated netdevice initialization

IP link was broken due to the changes in IPoIB for the rdma_netdev
support after commit cd565b4b51
("IB/IPoIB: Support acceleration options callbacks").

This patchset fixes IPoIB pkey creation and removal using rtnetlink by
adding support in both IPoIB ULP layer and mlx5 layer:

From Jason and Denis:
1) Introduces changes in the RDMA netdev code in order to
   allow allocation of the netdev to be done by the rtnl netdev code.
2) Reworks IPoIB initialization to use the two step rdma_netdev
   creation.

From Feras and Saeed, mlx5e netdev layer refactoring to allow accepting
pre-allocated netdevs:
3) Adds support to initialize/cleanup netdevs that are not created
   by mlx5 driver.
4) Change mlx5e netdevice layer to accept the pre-allocated netdevice
   queue number.
5) Initialize mlx5e generic structures in one place to be used for all
   netdevs types NIC/representors/IPoIB (both mlx5 allocated and
   pre-allocted).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-15 21:49:56 -07:00
David S. Miller
d864991b22 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were easy to resolve using immediate context mostly,
except the cls_u32.c one where I simply too the entire HEAD
chunk.

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-12 21:38:46 -07:00
Jian Shen
829edbd8d4 net: hns3: Resume promisc mode and vlan filter status after loopback test
This patch resumes promisc mode and vlan filter status after
loopback test.

Fixes: 3b75c3df59 ("net: hns3: net: hns3: Add support for IFF_ALLMULTI flag")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-12 11:23:45 -07:00
Jian Shen
7325523ab6 net: hns3: Resume promisc mode and vlan filter status after reset
This patch resumes promisc mode and vlan filter status after reset.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-12 11:23:45 -07:00
Jian Shen
c60edc17df net: hns3: Enable promisc mode when mac vlan table is full
Currently, the driver does nothing when mac vlan table is full.
In this case, the packet with new mac address will be dropped
by hardware. This patch adds check for the result of sync mac
address, and enable promisc mode when mac vlan table is full.
Furtherly, disable vlan filter when enable promisc by user
command.

Fixes: 46a3df9f97 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-12 11:23:45 -07:00
Jakub Kicinski
96de25060d nfp: replace long license headers with SPDX
Replace the repeated license text with SDPX identifiers.
While at it bump the Copyright dates for files we touched
this year.

Signed-off-by: Edwin Peer <edwin.peer@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Nic Viljoen <nick.viljoen@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 12:16:21 -07:00
Maciej S. Szmigiero
511cfd580f r8169: set RX_MULTI_EN bit in RxConfig for 8168F-family chips
It has been reported that since
commit 05212ba813 ("r8169: set RxConfig after tx/rx is enabled for RTL8169sb/8110sb devices")
at least RTL_GIGA_MAC_VER_38 NICs work erratically after a resume from
suspend.
The problem has been traced to a missing RX_MULTI_EN bit in the RxConfig
register.
We already set this bit for RTL_GIGA_MAC_VER_35 NICs of the same 8168F
chip family so let's do it also for its other siblings: RTL_GIGA_MAC_VER_36
and RTL_GIGA_MAC_VER_38.

Curiously, the NIC seems to work fine after a system boot without having
this bit set as long as the system isn't suspended and resumed.

Fixes: 05212ba813 ("r8169: set RxConfig after tx/rx is enabled for RTL8169sb/8110sb devices")
Reported-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 12:08:04 -07:00
Ilias Apalodimas
2a1e89df78 net: socionext: clear rx irq correctly
commit 63ae7949e9 ("net: socionext: Use descriptor info instead of MMIO reads on Rx")
removed constant mmio reads from the driver and started using a descriptor
field to check if packet should be processed.
This lead the napi rx handler being constantly called while no packets
needed processing and ksoftirq getting 100% cpu usage. Issue one mmio read
to clear the irq correcty after processing packets

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 12:04:08 -07:00
Moshe Shemesh
2645060834 net/mlx4_core: Fix warnings during boot on driverinit param set failures
During boot, mlx4_core sets the driverinit configuration parameters and
updates the devlink module on the initial values calling
devlink_param_driverinit_value_set().
If devlink_param_driverinit_value_set() returns an error mlx4_core
reports kernel module warning.

This caused false alarm during boot in case kernel was compiled with
CONFIG_NET_DEVLINK off.
Fix by removing warning reported in case
devlink_param_driverinit_value_set() fails.

This actually makes the function mlx4_devlink_set_init_value()
redundant to using directly devlink_param_driverinit_value_set() and so
removed.

It fixes the following kernel trace:

 mlx4_core 0000:00:06.0: devlink set parameter 0 value failed (err = -95)
 mlx4_core 0000:00:06.0: devlink set parameter 1 value failed (err = -95)
 mlx4_core 0000:00:06.0: devlink set parameter 4 value failed (err = -95)
 mlx4_core 0000:00:06.0: devlink set parameter 5 value failed (err = -95)
 mlx4_core 0000:00:06.0: devlink set parameter 3 value failed (err = -95)

Fixes: bd1b51dc66 ("mlx4: Add mlx4 initial parameters table and register it")
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:24:35 -07:00
Arnd Bergmann
e70a57fa59 cxgb4: fix thermal configuration dependencies
With CONFIG_THERMAL=m, we get a build error:

drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c: In function 'cxgb4_thermal_get_trip_type':
drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c:48:11: error: 'struct adapter' has no member named 'ch_thermal'

Once that is fixed by using IS_ENABLED() checks, we get a link error
against the thermal subsystem when cxgb4 is built-in:

drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_init':
cxgb4_thermal.c:(.text+0x180): undefined reference to `thermal_zone_device_register'
drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_remove':
cxgb4_thermal.c:(.text+0x1e0): undefined reference to `thermal_zone_device_unregister'

Finally, since CONFIG_THERMAL can be =m, the Makefile fails to pick up the
extra file into built-in.a, and we get another link failure against the
cxgb4_thermal_init/cxgb4_thermal_remove files, so the Makefile has to
be adapted as well to work for both CONFIG_THERMAL=y and =m.

Fixes: b187191577 ("cxgb4: Add thermal zone support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:21:15 -07:00
Arthur Kiyanovski
be26667cb3 net: ena: fix indentations in ena_defs for better readability
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
3a7b9d8ddd net: ena: update driver version to 2.0.1
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
f1e90f6e2c net: ena: remove redundant parameter in ena_com_admin_init()
Remove redundant spinlock acquire parameter from ena_com_admin_init()

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
87731f0c68 net: ena: change rx copybreak default to reduce kernel memory pressure
Improves socket memory utilization when receiving packets larger
than 128 bytes (the previous rx copybreak) and smaller than 256 bytes.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
0574bb806d net: ena: limit refill Rx threshold to 256 to avoid latency issues
Currently Rx refill is done when the number of required descriptors is
above 1/8 queue size. With a default of 1024 entries per queue the
threshold is 128 descriptors.
There is intention to increase the queue size to 8196 entries.
In this case threshold of 1024 descriptors is too large and can hurt
latency.
Add another limitation to Rx threshold to be at most 256 descriptors.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
bd791175a6 net: ena: explicit casting and initialization, and clearer error handling
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
cb36bb36e1 net: ena: use CSUM_CHECKED device indication to report skb's checksum status
Set skb->ip_summed to the correct value as reported by the device.
Add counter for the case where rx csum offload is enabled but
device didn't check it.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
38005ca816 net: ena: add functions for handling Low Latency Queues in ena_netdev
This patch includes all code changes necessary in ena_netdev to enable
packet sending via the LLQ placemnt mode.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
689b2bdaaa net: ena: add functions for handling Low Latency Queues in ena_com
This patch introduces APIs for detection, initialization, configuration
and actual usage of low latency queues(LLQ). It extends transmit API with
creation of LLQ descriptors in device memory (which include host buffers
descriptors as well as packet header)

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
a7982b8ec9 net: ena: introduce Low Latency Queues data structures according to ENA spec
Low Latency Queues(LLQ) allow usage of device's memory for descriptors
and headers. Such queues decrease processing time since data is already
located on the device when driver rings the doorbell.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:51 -07:00
Arthur Kiyanovski
095f2f1fac net: ena: complete host info to match latest ENA spec
Add new fields and definitions to host info and fill them
according to the latest ENA spec version.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:50 -07:00
Arthur Kiyanovski
0e575f8542 net: ena: minor performance improvement
Reduce fastpath overhead by making ena_com_tx_comp_req_id_get() inline.
Also move it to ena_eth_com.h file with its dependency function
ena_com_cq_inc_head().

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:13:50 -07:00
Ido Schimmel
b02597d513 mlxsw: spectrum: Add NVE packet traps
The DECAP_ECN0 trap will be used to trap packets where the overlay
packet is marked with Non-ECT, but the underlay packet is marked with
either ECT(0), ECT(1) or CE. When trapped, such packets will be counted
as errors by the VxLAN driver and thus provide better visibility.

The NVE_ENCAP_ARP trap will be used to trap ARP packets undergoing NVE
encapsulation. This is needed in order to support E-VPN ARP suppression,
where the Linux bridge does not flood ARP packets through tunnel ports
in case it can answer the ARP request itself.

Note that all the packets trapped via these traps are marked with
'offload_fwd_mark', so as to not be re-flooded by the Linux bridge
through the ASIC ports.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00
Ido Schimmel
2bd414aef6 mlxsw: resources: Add NVE resources
Add the following resources to be used by the NVE code:
* Number of IPv4 underlay destination IPs in a single TNUMT record
* Number of IPv6 underlay destination IPs in a single TNUMT record

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00
Ido Schimmel
27f68c0850 mlxsw: reg: Add Monitoring Parsing State Register
This register is used for setting up the parsing for hash, policy-engine
and routing.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00
Ido Schimmel
0933781f11 mlxsw: reg: Add definition of unicast tunnel record for SFD register
Will be used to program the device with FDB records pointing to a NVE
tunnel.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00
Ido Schimmel
8efcf6bb48 mlxsw: reg: Add Tunneling NVE QoS Default Register
The TNQDR register configures the default QoS settings for NVE
encapsulation.

It will be used to set the default DSCP of each port to 0, so that when
DSCP is set to inherit and the overlay packet does not have an IP header
the outer DSCP will be set to 0, in accordance with the software data
path.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00
Ido Schimmel
fd6db27cac mlxsw: reg: Add Tunneling NVE QoS Configuration Register
The register configures how QoS is set in Encapsulation into the
underlay network.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00
Ido Schimmel
a77d5f0bde mlxsw: reg: Add Tunneling NVE Decapsulation ECN Mapping Register
This register configures the actions that are done during NVE
decapsulation based on the ECN bits.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00
Ido Schimmel
4a8d1860ed mlxsw: reg: Add Tunneling NVE Encapsulation ECN Mapping Register
This register performs mapping from overlay ECN to underlay ECN during
NVE encapsulation.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11 10:08:23 -07:00