Commit Graph

87332 Commits

Author SHA1 Message Date
Vladimir Oltean
8456721dd4 net: dsa: sja1105: Add support for configuring address ageing time
If STP is active, this setting is applied on bridged ports each time an
Ethernet link is established (topology changes).

Since the setting is global to the switch and a reset is required to
change it, resets are prevented if the new callback does not change the
value that the hardware already is programmed for.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:49:17 -04:00
Vladimir Oltean
52c34e6e12 net: dsa: sja1105: Add support for ethtool port counters
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:49:17 -04:00
Vladimir Oltean
6666cebc5e net: dsa: sja1105: Add support for VLAN operations
VLAN filtering cannot be properly disabled in SJA1105. So in order to
emulate the "no VLAN awareness" behavior (not dropping traffic that is
tagged with a VID that isn't configured on the port), we need to hack
another switch feature: programmable TPID (which is 0x8100 for 802.1Q).
We are reprogramming the TPID to a bogus value which leaves the switch
thinking that all traffic is untagged, and therefore accepts it.

Under a vlan_filtering bridge, the proper TPID of ETH_P_8021Q is
installed again, and the switch starts identifying 802.1Q-tagged
traffic.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:49:17 -04:00
Vladimir Oltean
f5b8631c29 net: dsa: sja1105: Error out if RGMII delays are requested in DT
Documentation/devicetree/bindings/net/ethernet.txt is confusing because
it says what the MAC should not do, but not what it *should* do:

  * "rgmii-rxid" (RGMII with internal RX delay provided by the PHY, the MAC
     should not add an RX delay in this case)

The gap in semantics is threefold:
1. Is it illegal for the MAC to apply the Rx internal delay by itself,
   and simplify the phy_mode (mask off "rgmii-rxid" into "rgmii") before
   passing it to of_phy_connect? The documentation would suggest yes.
1. For "rgmii-rxid", while the situation with the Rx clock skew is more
   or less clear (needs to be added by the PHY), what should the MAC
   driver do about the Tx delays? Is it an implicit wild card for the
   MAC to apply delays in the Tx direction if it can? What if those were
   already added as serpentine PCB traces, how could that be made more
   obvious through DT bindings so that the MAC doesn't attempt to add
   them twice and again potentially break the link?
3. If the interface is a fixed-link and therefore the PHY object is
   fixed (a purely software entity that obviously cannot add clock
   skew), what is the meaning of the above property?

So an interpretation of the RGMII bindings was chosen that hopefully
does not contradict their intention but also makes them more applied.
The SJA1105 driver understands to act upon "rgmii-*id" phy-mode bindings
if the port is in the PHY role (either explicitly, or if it is a
fixed-link). Otherwise it always passes the duty of setting up delays to
the PHY driver.

The error behavior that this patch adds is required on SJA1105E/T where
the MAC really cannot apply internal delays. If the other end of the
fixed-link cannot apply RGMII delays either (this would be specified
through its own DT bindings), then the situation requires PCB delays.

For SJA1105P/Q/R/S, this is however hardware supported and the error is
thus only temporary. I created a stub function pointer for configuring
delays per-port on RXC and TXC, and will implement it when I have access
to a board with this hardware setup.

Meanwhile do not allow the user to select an invalid configuration.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:49:17 -04:00
Vladimir Oltean
291d1e72b7 net: dsa: sja1105: Add support for FDB and MDB management
Currently only the (more difficult) first generation E/T series is
supported. Here the TCAM is only 4-way associative, and to know where
the hardware will search for a FDB entry, we need to perform the same
hash algorithm in order to install the entry in the correct bin.

On P/Q/R/S, the TCAM should be fully associative. However the SPI
command interface is different, and because I don't have access to a
new-generation device at the moment, support for it is TODO.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:49:17 -04:00
Vladimir Oltean
8aa9ebccae net: dsa: Introduce driver for NXP SJA1105 5-port L2 switch
At this moment the following is supported:
* Link state management through phylib
* Autonomous L2 forwarding managed through iproute2 bridge commands.

IP termination must be done currently through the master netdevice,
since the switch is unmanaged at this point and using
DSA_TAG_PROTO_NONE.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Georg Waibel <georg.waibel@sensor-technik.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:49:17 -04:00
Nicolas Ferre
8b95274784 net: macb: shrink macb_platform_data structure
This structure was used intensively for machine specific values
when DT was not used. Since the removal of AVR32 from the kernel,
this structure is only used for passing clocks from PCI macb wrapper, all
other fields being 0.
All other known platforms use DT.

Remove the leftovers but make sure that PCI macb still works as
expected by using default values:
- phydev->irq is set to PHY_POLL by mdiobus_alloc()
- mii_bus->phy_mask is cleared while allocating it
- bp->phy_interface is set to PHY_INTERFACE_MODE_MII if mode not found
in DT.

This simplifies driver probe path and particularly phy handling.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:26:15 -04:00
Nicolas Ferre
d5aeb17621 net: macb: remove redundant struct phy_device declaration
While moving the chunk of code during 739de9a156
("net: macb: Reorganize macb_mii bringup"), the declaration of
struct phy_device declaration was kept. It's not useful in this
function as we alrady have a phydev pointer.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-03 10:25:34 -04:00
Yan-Hsuan Chuang
f9b628d61f rtw88: add license for Makefile
Add missing license for Makefile

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 15:06:12 +03:00
Maya Erez
3d0aa91984 wil6210: remove HALP for Talyn devices
In Talyn the HW is responsible for power management enter / exit
flow, hence the deep sleep exit latency is significantly shorter than
in Sparrow.
In such a case HALP feature, that is meant to prevent long PCIe blocking
accesses, is no longer needed and can be removed for Talyn.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:59 +03:00
Dedy Lansky
d6a553c0c6 wil6210: check rx_buff_mgmt before accessing it
Make sure rx_buff_mgmt is initialized before accessing it.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:47 +03:00
Maya Erez
7441be71ba wil6210: fix missed MISC mbox interrupt
When MISC interrupt is triggered due to HALP bit, in parallel
to mbox events handling by the MISC threaded IRQ, new mbox
interrupt can be missed in the following scenario:
1. MISC ICR is read in the IRQ handler
2. Threaded IRQ is completed and all MISC interrupts are unmasked
3. mbox interrupt is set by FW
4. HALP is masked
The mbox interrupt in step 3 can be missed due to constant high level
of ICM.
Masking all MISC IRQs instead of masking only HALP bit in step 4
will guarantee that ICM will drop to 0 and interrupt will be triggered
once MISC interrupts will be unmasked.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:36 +03:00
Ahmad Masri
ddf7afdde8 wil6210: fix overwriting max_assoc_sta module param
Save the parameter of max_assoc_sta per device.
On fw_ready event calculate the max_assoc_sta and save it per device,
do not overwrite the max_assoc_sta module param.

Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:26 +03:00
Dedy Lansky
9a874d0454 wil6210: enhancements for descriptor and status ring debugfs
Add printing of hwhead as part of desc ring and status ring debugfs.
Validate wil->rx_buff_mgmt and ring->ctx arrays before accessing them.
Dump Tx descriptor content even when it indicates invalid buff_id.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:15 +03:00
Maya Erez
a7feb56f20 wil6210: add support for multiple sections in brd file
Current board file loading procedure assumes that the board file
includes only one section.
New board files can include multiple sections.
Add the ability to read multiple addresses and max size from FW
file and load multiple sections from the board file into those
addresses.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:04:04 +03:00
Dedy Lansky
0131d18513 wil6210: add printout of platform capabilities
Add logging of the platform capabilities after retrieving it from the
platform driver.

Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:03:53 +03:00
Alexei Avshalom Lazar
9c64659792 wil6210: fix _desc access in __wil_tx_vring_tso
_desc is defined in __wil_tx_vring_tso() and may not be set in
case len is 0, verify _desc is set.

Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:03:42 +03:00
Maya Erez
e10b0eddd5 wil6210: fix spurious interrupts in 3-msi
Interrupt is set in ICM (ICR & ~IMV) rising trigger.
As the driver masks the IRQ after clearing it, there can
be a race where an additional spurious interrupt is triggered
when the driver unmask the IRQ.
This can happen in case HW triggers an interrupt after the clear
and before the mask.

To prevent the second spurious interrupt the driver needs to mask the
IRQ before reading and clearing it.

Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-03 08:03:30 +03:00
David S. Miller
ff24e4980a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three trivial overlapping conflicts.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-02 22:14:21 -04:00
Linus Torvalds
ea9866793d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Out of bounds access in xfrm IPSEC policy unlink, from Yue Haibing.

 2) Missing length check for esp4 UDP encap, from Sabrina Dubroca.

 3) Fix byte order of RX STBC access in mac80211, from Johannes Berg.

 4) Inifnite loop in bpftool map create, from Alban Crequy.

 5) Register mark fix in ebpf verifier after pkt/null checks, from Paul
    Chaignon.

 6) Properly use rcu_dereference_sk_user_data in L2TP code, from Eric
    Dumazet.

 7) Buffer overrun in marvell phy driver, from Andrew Lunn.

 8) Several crash and statistics handling fixes to bnxt_en driver, from
    Michael Chan and Vasundhara Volam.

 9) Several fixes to the TLS layer from Jakub Kicinski (copying negative
    amounts of data in reencrypt, reencrypt frag copying, blind nskb->sk
    NULL deref, etc).

10) Several UDP GRO fixes, from Paolo Abeni and Eric Dumazet.

11) PID/UID checks on ipv6 flow labels are inverted, from Willem de
    Bruijn.

12) Use after free in l2tp, from Eric Dumazet.

13) IPV6 route destroy races, also from Eric Dumazet.

14) SCTP state machine can erroneously run recursively, fix from Xin
    Long.

15) Adjust AF_PACKET msg_name length checks, add padding bytes if
    necessary. From Willem de Bruijn.

16) Preserve skb_iif, so that forwarded packets have consistent values
    even if fragmentation is involved. From Shmulik Ladkani.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (69 commits)
  udp: fix GRO packet of death
  ipv6: A few fixes on dereferencing rt->from
  rds: ib: force endiannes annotation
  selftests: fib_rule_tests: print the result and return 1 if any tests failed
  ipv4: ip_do_fragment: Preserve skb_iif during fragmentation
  net/tls: avoid NULL pointer deref on nskb->sk in fallback
  selftests: fib_rule_tests: Fix icmp proto with ipv6
  packet: validate msg_namelen in send directly
  packet: in recvmsg msg_name return at least sizeof sockaddr_ll
  sctp: avoid running the sctp state machine recursively
  stmmac: pci: Fix typo in IOT2000 comment
  Documentation: fix netdev-FAQ.rst markup warning
  ipv6: fix races in ip6_dst_destroy()
  l2ip: fix possible use-after-free
  appletalk: Set error code if register_snap_client failed
  net: dsa: bcm_sf2: fix buffer overflow doing set_rxnfc
  rxrpc: Fix net namespace cleanup
  ipv6/flowlabel: wait rcu grace period before put_pid()
  vrf: Use orig netdev to count Ip6InNoRoutes and a fresh route lookup when sending dest unreach
  tcp: add sanity tests in tcp_add_backlog()
  ...
2019-05-02 11:03:34 -07:00
Nathan Chancellor
237b47efcd rtw88: Make RA_MASK macros ULL
Clang warns about the definitions of these macros (full warnings trimmed
for brevity):

drivers/net/wireless/realtek/rtw88/main.c:524:15: warning: signed shift
result (0x3FF00000000) requires 43 bits to represent, but 'int' only has
32 bits [-Wshift-overflow]
                        ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT;
                                   ^~~~~~~~~~~~~~~~~
drivers/net/wireless/realtek/rtw88/main.c:527:15: warning: signed shift
result (0xFF0000000) requires 37 bits to represent, but 'int' only has
32 bits [-Wshift-overflow]
                        ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G;
                                   ^~~~~~~~~~~~~~~~

Given that these are all used with ra_mask, which is of type u64, we can
just declare the macros to be ULL as well.

Fixes: e3037485c6 ("rtw88: new Realtek 802.11ac driver")
Link: https://github.com/ClangBuiltLinux/linux/issues/467
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-02 19:26:39 +03:00
Gustavo A. R. Silva
aa8eaaaa12 rtw88: phy: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.

This patch fixes the following warnings:

drivers/net/wireless/realtek/rtw88/phy.c: In function ‘rtw_get_channel_group’:
./include/linux/compiler.h:77:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
 # define unlikely(x) __builtin_expect(!!(x), 0)
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:125:2: note: in expansion of macro ‘unlikely’
  unlikely(__ret_warn_on);     \
  ^~~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:907:3: note: in expansion of macro ‘WARN_ON’
   WARN_ON(1);
   ^~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:908:2: note: here
  case 1:
  ^~~~
In file included from ./include/linux/bcd.h:5,
                 from drivers/net/wireless/realtek/rtw88/phy.c:5:
drivers/net/wireless/realtek/rtw88/phy.c: In function ‘phy_get_2g_tx_power_index’:
./include/linux/compiler.h:77:22: warning: this statement may fall through [-Wimplicit-fallthrough=]
 # define unlikely(x) __builtin_expect(!!(x), 0)
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:125:2: note: in expansion of macro ‘unlikely’
  unlikely(__ret_warn_on);     \
  ^~~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:1021:3: note: in expansion of macro ‘WARN_ON’
   WARN_ON(1);
   ^~~~~~~
drivers/net/wireless/realtek/rtw88/phy.c:1022:2: note: here
  case RTW_CHANNEL_WIDTH_20:
  ^~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-02 17:58:53 +03:00
Colin Ian King
b85bd9a14c rtw88: fix shift of more than 32 bits of a integer
Currently the shift of an integer value more than 32 bits can
occur when nss is more than 32.  Fix this by making the integer
constants unsigned long longs before shifting and bit-wise or'ing
with the u64 ra_mask to avoid the undefined shift behaviour.

Addresses-Coverity: ("Bad shift operation")
Fixes: e3037485c6 ("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-05-02 17:58:15 +03:00
Esben Haabendal
26f146ed97 net: ll_temac: Fix typo bug for 32-bit
Fixes: d84aec4215 ("net: ll_temac: Fix support for 64-bit platforms")

Signed-off-by: Esben Haabendal <esben@geanix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-02 09:20:31 -04:00
Brett Creeley
20ce2a1a2e ice: Use dev_err when ice_cfg_vsi_lan fails
dev_err makes more sense than dev_info when this call fails.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:29:13 -07:00
Brett Creeley
c2a23e0061 ice: Refactor link event flow
Currently the link event flow works, but can be much better.
Refactor the link event flow to make it cleaner and more clear
on what is going on.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:27:11 -07:00
Tony Nguyen
49a6a5d7eb ice: Add missing PHY type to link settings
The PHY type ICE_PHY_TYPE_LOW_25G_AUI_C2C is missing from
ice_get_settings_link_up() which is causing a warning
message for unrecognized PHY.  Add the PHY type to
correctly set the settings and avoid the warning message.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:23:42 -07:00
Brett Creeley
b07833a00d ice: Add reg_idx variable in ice_q_vector structure
Every time we want to re-enable interrupts and/or write to a register
that requires an interrupt vector's hardware index we do the following:

vsi->hw_base_vector + q_vector->v_idx

This is a wasteful operation, especially in the hot path. Fix this by
adding a u16 reg_idx member to the ice_q_vector structure and make the
necessary changes to make this work.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:21:56 -07:00
Md Fahad Iqbal Polash
8d7189d266 ice: Remove runtime change of PFINT_OICR_ENA register
Runtime change of PFINT_OICR_ENA register is unnecessary.
The handlers should always clear the atomic bit for each
task as they start, because it will make sure that any late
interrupt will either 1) re-set the bit, or 2) be handled
directly in the "already running" task handler.

Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:19:26 -07:00
Akeem G Abodunrin
5079b853b2 ice: Fix issue when adding more than allowed VLANs
This patch fixes issue with non trusted VFs being able to add more than
permitted number of VLANs by adding a check in ice_vc_process_vlan_msg.
Also don't return an error in this case as the VF does not need to know
that it is not trusted.

Also rework ice_vsi_kill_vlan to use the right types.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:17:37 -07:00
Brett Creeley
acd1751a39 ice: Remove unnecessary wait when disabling/enabling Rx queues
In ice_vsi_ctrl_rx_rings() we are unnecessarily waiting for
QRX_CTRL_QENA_REQ and QRX_CTRL_QENA_STAT to be the same value prior to
disabling each Rx queue. There is no reason to do this so remove
this wait loop as we already have a wait loop after disabling/enabling
the Rx queue through the QRX_CTRL register to make sure it gets
successfully disabled/enabled.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:15:43 -07:00
Brett Creeley
b9c8bb06b5 ice: Add ability to update rx-usecs-high
Currently the driver allows rx-usecs-high values to be set,
but when querying the device for rx-usecs-high the value
does not stick. This is because it was not yet implemented.
Add code to allow the user to change rx-usecs-high and
use this to set the q_vector's intrl value.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:13:39 -07:00
Paul Greenwalt
b4b418b3ad ice: Add 52 byte RSS hash key support
Add support to set 52 byte RSS hash key.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:11:47 -07:00
Brett Creeley
0c2561c81f ice: Use ice_for_each_q_vector macro where possible
There are many places in the code where we do the following:

for (i = 0; i < vsi->num_q_vectors; i++)

Instead use the macro mentioned in the commit title:

ice_for_each_q_vector(vsi, i)

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:09:51 -07:00
Maciej Fijalkowski
a92e1bb6ad ice: Validate ring existence and its q_vector per VSI
When stopping Tx rings, we use 'i' as an ring array index for looking up
whether the ice_ring exists and have assigned a q_vector. This checks
rings only within a given TC and we need to go through every ring in
VSI. Use 'q_idx' instead.

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:08:00 -07:00
Brett Creeley
1553f4f77a ice: Reduce scope of variable in ice_vsi_cfg_rxqs
Reduce scope of the variable 'err' to inside the for loop instead
of using it as a second looping conditional. Also while here,
improve the debug message if we fail to configure a Rx queue.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:05:38 -07:00
Bruce Allan
fe7219fa7c ice: Resolve static analysis reported issue
Static analysis points out the default case in the switch statement in
ice_get_itr_intrl_gran() is an infeasible condition causing the default
case statement to be unreachable.  Remove it and since the function no
longer returns anything but success, change it to just return void and
update the only call to it accordingly.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:03:49 -07:00
Akeem G Abodunrin
85796d6e2f ice: Return configuration error without queue to disable
If there is no queue to disable, return appropriate configuration error
earlier without acquiring the lock.

Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 01:01:40 -07:00
Anirudh Venkataramanan
bb87ee0efb ice: Create framework for VSI queue context
This patch introduces a framework to store queue specific information
in VSI queue contexts. Currently VSI queue context (represented by
struct ice_q_ctx) only has q_handle as a member. In future patches,
this structure will be updated to hold queue specific information.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-05-02 00:57:44 -07:00
Bodong Wang
6f4e02193c net/mlx5: E-Switch, Use atomic rep state to serialize state change
When the state of rep was introduced, it was also designed to prevent
duplicate unloading of the same rep. Considering the following two
flows when an eswitch manager is at switchdev mode with n VF reps loaded.

+--------------------------------------+--------------------------------+
| cpu-0                                | cpu-1                          |
| --------                             | --------                       |
| mlx5_ib_remove                       | mlx5_eswitch_disable_sriov     |
|  mlx5_ib_unregister_vport_reps       |  esw_offloads_cleanup          |
|   mlx5_eswitch_unregister_vport_reps |   esw_offloads_unload_all_reps |
|    __unload_reps_all_vport           |    __unload_reps_all_vport     |
+--------------------------------------+--------------------------------+

These two flows will try to unload the same rep. Per original design,
once one flow unloads the rep, the state moves to REGISTERED. The 2nd
flow will no longer needs to do the unload and bails out. However, as
read and write of the state is not atomic, when 1st flow is doing the
unload, the state is still LOADED, 2nd flow is able to do the same
unload action. Kernel crash will happen.

To solve this, driver should do atomic test-and-set for the state. So
that only one flow can change the rep state from LOADED to REGISTERED,
and proceed to do the actual unloading.

Since the state is changing to atomic type, all other read/write should
be atomic action as well.

Fixes: f121e0ea95 (net/mlx5: E-Switch, Add state to eswitch vport representors)
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Vu Pham <vuhuong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:17 -07:00
Bodong Wang
5d9986a394 net/mlx5: E-Switch, Fix the check of legal vport
The check of legal vport is to ensure the vport number falls between
0 and total number of vports. Along with the introduction of uplink
rep, enabled vports are not consecutive any more.
Therefore, rely on the eswitch vport getter function to check if it's
a valid vport.

As the getter function relies on eswitch, add the check of vport
group manager and validation the presence of eswitch structure.
Remove the redundant check in the function calls.

Since the vport array will be allocated once eswitch is initialized
and will be kept alive if eswitch presents, no need to protect it with
the state lock.

Fixes: 5ae5162066 ("net/mlx5: E-Switch, Assign a different position for uplink rep and vport")
Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:17 -07:00
Bodong Wang
4314ebaa1e net/mlx5: E-Switch, Use getter to access all vport array
Some functions issue vport commands and access vport array using
vport_index/vport_num interchangeably which is OK for VFs vports.
However, this creates potential bug if those vports are not VFs
(E.g, uplink, sf) where their vport_index don't equal to vport_num.

Prepare code to access mlx5_vport structure using a getter function.

Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Vu Pham <vuhuong@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:17 -07:00
Parav Pandit
ee813f314b net/mlx5: Use available mlx5_vport struct
Several functions need to access mlx5_vport and vport_num.
When these functions are called, caller already has mlx5_vport*
available.
Hence pass such mlx5_vport pointer.

This is preparation patch to add error checks to
mlx5_eswitch_get_vport() and to return error status.
By doing so, reduce places where error check of mlx5_eswitch_get_vport()
can be avoided.

While doing such change, mlx5_eswitch_query_vport_drop_stats() gets
corrected to work on vport, instead of vport_idx.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:17 -07:00
Parav Pandit
786ef904b4 net/mlx5: Reuse mlx5_esw_for_each_vf_vport macro in two files
Currently mlx5_esw_for_each_vf_vport iterates over mlx5_vport entries in
eswitch.c
Same macro in eswitch_offloads.c iterates over vport number in
eswitch_offloads.c

Instead of duplicate macro names, to avoid confusion and to reuse the
same macro in both files, move it to eswitch.h.

To iterate over vport numbers where there is no need to iterate over
mlx5_vport, but only a vport number is needed, rename those macros in
eswitch_offloads.c to mlx5_esw_for_each_vf_num_vport*.

While at it, keep all vport and vport rep iterators together.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:17 -07:00
Bodong Wang
c9bbfb378b net/mlx5: Remove unused mlx5_query_nic_vport_vlans
mlx5_query_nic_vport_vlans() is not used anymore. Hence remove it.
This patch doesn't change any functionality.

Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:16 -07:00
Masahiro Yamada
0bdddcea5b net/mlx5e: remove meaningless CFLAGS_tracepoint.o
CFLAGS_tracepoint.o specifies CFLAGS for compiling tracepoint.c but
it does not exist under drivers/net/ethernet/mellanox/mlx5/core/.

CFLAGS_tracepoint.o is unused.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:16 -07:00
Maxim Mikityanskiy
33e10924a0 net/mlx5e: Put the common XDP code into a function
The same code that returns XDP frames and releases pages is used both in
mlx5e_poll_xdpsq_cq and mlx5e_free_xdpsq_descs. Create a function that
cleans up an MPWQE.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:16 -07:00
Erez Alfasi
a708fb7b1f net/mlx5e: ethtool, Add support for EEPROM high pages query
Add the support to read additional EEPROM information from high pages.
Information for modules such as SFF-8436 and SFF-8636:
 1) Application select table
 2) User writable EEPROM
 3) Thresholds and alarms

Signed-off-by: Erez Alfasi <ereza@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:16 -07:00
Vlad Buslov
0e1c1a2fcf net/mlx5e: Return error when trying to insert existing flower filter
With unlocked TC it is possible to have spurious deletes and inserts of
same filter. TC layer needs drivers to always return error when flow
insertion failed in order to correctly calculate "in_hw_count" for each
filter. Fix mlx5e_configure_flower() to return -EEXIST when TC tries to
insert a filter that is already provisioned to the driver.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:15 -07:00
Eli Britstein
0bac119453 net/mlx5e: Replace TC VLAN pop with VLAN 0 rewrite in prio tag mode
Current ConnectX HW is unable to perform VLAN pop in TX path and VLAN
push on RX path. To workaround that limitation untagged packets are
tagged with VLAN ID 0x000 (priority tag) and pop/push actions are
replaced by VLAN re-write actions (which are supported by the HW).
Replace TC VLAN pop action with a VLAN priority tag header rewrite.

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-05-01 14:39:15 -07:00