Commit Graph

130 Commits

Author SHA1 Message Date
Sarveshwar Bandi
c297977ec1 be2net: Fix to parse RSS hash from Receive completions correctly.
Wrong pointer variable is being used to parse the rss hash from
receive completions leading to corrupted rss_hash values filled into skb.

Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-26 01:13:20 -07:00
Anton Blanchard
ac46a46238 be2net: Missing byteswap in be_get_fw_log_level causes oops on PowerPC
We are seeing an oops in be_get_fw_log_level on ppc64 where we walk
off the end of memory.

commit 941a77d582 (be2net: Fix to allow get/set of debug levels in
the firmware.) requires byteswapping of num_modes and num_modules.

Cc: stable@vger.kernel.org # 3.5+
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Sathya Perla <sperla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-25 15:24:13 -07:00
Padmanabh Ratnakar
2e177a5c6c be2net: Ignore physical link async event for Lancer
The ability of driver to transmit packets depends on logical state
of the link. Ignore physical link status.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-18 09:28:38 -07:00
Padmanabh Ratnakar
0b13fb458f be2net: Fix VF driver load for Lancer
Lancer FW has added new capability checks for VFs.
Driver should only use those capabilities which are allowed for VFs.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-18 09:28:38 -07:00
Eric Dumazet
ac1ae5f33f be2net: dont pull too much data in skb linear part
skb_fill_rx_data() pulls 64 byte of data in skb->data

Its too much for TCP (with no options) on IPv4, as total size of headers
is 14 + 40 = 54

This means tcp stack and splice() are suboptimal, since tcp payload
is in part in tcp->data, and in part in skb frag.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-16 23:02:36 -07:00
Padmanabh Ratnakar
d2ee62e9b5 be2net: update driver version
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-16 23:02:36 -07:00
Padmanabh Ratnakar
73dea3983a be2net: Add description about various RSS hash types
Incorporated review comment from Eric Dumazet. Added description
about different RSS hash types which adapter is capable of.
Will add support for ETHTOOL_GRXFH and ETHTOOL_SRXFX as suggested
by Ben Hutchings in a later patch.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-16 23:02:36 -07:00
Padmanabh Ratnakar
d3bd3a5eeb be2net: Enable RSS UDP hashing for Lancer and Skyhawk
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-12 08:16:47 -07:00
Padmanabh Ratnakar
b4e32a7169 be2net: Fix port name in message during driver load
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-12 08:16:46 -07:00
Padmanabh Ratnakar
19d59aa762 be2net: Fix cleanup path when EQ creation fails
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-12 08:16:46 -07:00
Padmanabh Ratnakar
f67ef7bae8 be2net: Activate new FW after FW download for Lancer
After FW download, activate new FW by invoking FW reset.
Recreate rings once new FW is operational.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-12 08:16:46 -07:00
Padmanabh Ratnakar
bf99e50dc2 be2net: Fix initialization sequence for Lancer
Invoke only required initialization routines for Lancer.
Remove invocation of unnecessary routines.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-12 08:16:46 -07:00
Padmanabh Ratnakar
7aeb215643 be2net : Fix die temperature stat for Lancer
Query die temperature stat for Lancer to report it correctly
in ethtool.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-12 08:16:46 -07:00
Padmanabh Ratnakar
c871c5f293 be2net: Fix error while toggling autoneg of pause parameters
Autonegotiation of pause parameters is possible only on some PHYs.
Ability of autoneg of pause parameters is reported by adapter.
Autoneg of pause parameters cannot be changed from driver.
Fix driver to give error when autoneg mode is toggled by user.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-12 08:16:46 -07:00
Li RongQing
e8efcec539 be2net: Fix Endian
ETH_P_IP is host Endian, skb->protocol is big Endian, when
compare them, we should change ETH_P_IP from host endian
to big endian, htons, not ntohs.

CC: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Acked-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-09 00:14:16 -07:00
Yuval Mintz
30e80b55dd be2net: set maximal number of default RSS queues
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>

Cc: Sathya Perla <sathya.perla@emulex.com>
Cc: Subbu Seetharaman <subbu.seetharaman@emulex.com>
Cc: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-05 03:06:45 -07:00
Somnath Kotur
93040ae5cc be2net: Fix to trim skb for padded vlan packets to workaround an ASIC Bug
Fixed spelling error in a comment as pointed out by DaveM.
Also refactored existing code a bit to provide placeholders for another ASIC
Bug workaround that will be checked-in soon after this.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-27 01:35:49 -07:00
Somnath Kotur
7665de1564 be2net: Regression bug wherein VFs creation broken for multiple cards.
Fix be_find_vfs() to check for matching bus number as well along with devfn

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:10:11 -07:00
Somnath Kotur
89b1f496d2 be2net: Explicitly clear the reserved field in the Tx Descriptor
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:10:11 -07:00
David S. Miller
e486463e82 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/usb/qmi_wwan.c
	net/batman-adv/translation-table.c
	net/ipv6/route.c

qmi_wwan.c resolution provided by Bjørn Mork.

batman-adv conflict is dealing merely with the changes
of global function names to have a proper subsystem
prefix.

ipv6's route.c conflict is merely two side-by-side additions
of network namespace methods.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 15:50:32 -07:00
Vasundhara Volam
0b3f0e7ae0 be2net: Increase statistics structure size for skyhawk.
Increasing the hardware statistics structure to accomodate statistics for skyhawk.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-17 16:18:51 -07:00
Vasundhara Volam
97f1d8cd8d be2net: Modify error message to incorporate subsystem
Modify IOCTL error message to print subsystem also.

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-17 16:18:51 -07:00
Sarveshwar Bandi
b7e5887e0e be2net: reduce gso_max_size setting to account for ethernet header.
The maximum size of packet that can be handled by controller including ethernet
header is 65535. Reducing gso_max_size accordingly.

Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-17 16:18:51 -07:00
David S. Miller
43b03f1f6d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	MAINTAINERS
	drivers/net/wireless/iwlwifi/pcie/trans.c

The iwlwifi conflict was resolved by keeping the code added
in 'net' that turns off the buggy chip feature.

The MAINTAINERS conflict was merely overlapping changes, one
change updated all the wireless web site URLs and the other
changed some GIT trees to be Johannes's instead of John's.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-12 21:59:18 -07:00
Eric Dumazet
cd8f76c0a0 be2net: fix a race in be_xmit()
As soon as hardware is notified of a transmit, we no longer can assume
skb can be dereferenced, as TX completion might have freed the packet.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-08 14:44:19 -07:00
Padmanabh Ratnakar
1578e7778f be2net: Fix driver load for VFs for Lancer
Permanent MAC is wrongly supplied in create iface command. Call the
command with no MAC address and then MAC address should be later queried
and applied.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-07 13:18:54 -07:00
Sathya Perla
20d5ec435c be2net: update driver version
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:06:18 -07:00
Sathya Perla
d79c0a207a be2net: do not use SCRATCHPAD register
The CUST_SCRATCHPAD_CSR register is used for marking if FW cleanup is
needed. This is used in a crash kernel scenario. Do no use this register as
it is not available for some functions. Instead, always issue an FLR when
a function is probed *except* when VFs are preset (enabled in the previous
PF load).

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:06:18 -07:00
Sathya Perla
421737bdd5 be2net: remove unnecessary usage of unlikely()
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:06:18 -07:00
Sathya Perla
7f64006266 be2net: fix reporting number of actual rx queues
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:06:18 -07:00
Sathya Perla
0513ac3d22 be2net: do not modify PCI MaxReadReq size
Setting the PCI MRRS to a value of 4096 (overriding the system decided
value) had provided perf improvement in TX.
But, IBM has provided feedback that on POWER platforms, this value is set
by the system firmware, and drivers modifying this value can cause
unpredictable results (like EEH errors.) So, backing off this change.
On POWER7 platforms most slots, it seems, do get a MRRS of 4096.

This patch reverts the following commit:
"be2net: Modified PCI MaxReadReq size to 4096 bytes"
commit 5a56eb10ba.

Suggested-by: Brian King <bjking1@us.ibm.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:06:18 -07:00
Sathya Perla
10329df8f9 be2net: cleanup be_vid_config()
- get rid of 2 unused arguments to the routine and some unused code
- don't use the term "vlan_tag" in place of "vid" as they are different

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:06:17 -07:00
Sathya Perla
1d1e9a467c be2net: don't call vid_config() when there's no vlan config
be_vid_config() is called from be_setup() to replay config cmds after
a card reset. Skip calling it when no vlans are configured.

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-06 09:06:17 -07:00
Linus Torvalds
c23ddf7857 InfiniBand/RDMA changes for the 3.5 merge window:
- Add ocrdma hardware driver for Emulex IB-over-Ethernet adapters
  - Add generic and mlx4 support for "raw" QPs: allow suitably privileged
    applications to send and receive arbitrary packets directly to/from
    the hardware
  - Add "doorbell drop" handling to the cxgb4 driver
  - A fairly large batch of qib hardware driver changes
  - A few fixes for lockdep-detected issues
  - A few other miscellaneous fixes and cleanups
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Merge tag 'rdma-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull InfiniBand/RDMA changes from Roland Dreier:
 - Add ocrdma hardware driver for Emulex IB-over-Ethernet adapters
 - Add generic and mlx4 support for "raw" QPs: allow suitably privileged
   applications to send and receive arbitrary packets directly to/from
   the hardware
 - Add "doorbell drop" handling to the cxgb4 driver
 - A fairly large batch of qib hardware driver changes
 - A few fixes for lockdep-detected issues
 - A few other miscellaneous fixes and cleanups

Fix up trivial conflict in drivers/net/ethernet/emulex/benet/be.h.

* tag 'rdma-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (53 commits)
  RDMA/cxgb4: Include vmalloc.h for vmalloc and vfree
  IB/mlx4: Fix mlx4_ib_add() error flow
  IB/core: Fix IB_SA_COMP_MASK macro
  IB/iser: Fix error flow in iser ep connection establishment
  IB/mlx4: Increase the number of vectors (EQs) available for ULPs
  RDMA/cxgb4: Add query_qp support
  RDMA/cxgb4: Remove kfifo usage
  RDMA/cxgb4: Use vmalloc() for debugfs QP dump
  RDMA/cxgb4: DB Drop Recovery for RDMA and LLD queues
  RDMA/cxgb4: Disable interrupts in c4iw_ev_dispatch()
  RDMA/cxgb4: Add DB Overflow Avoidance
  RDMA/cxgb4: Add debugfs RDMA memory stats
  cxgb4: DB Drop Recovery for RDMA and LLD queues
  cxgb4: Common platform specific changes for DB Drop Recovery
  cxgb4: Detect DB FULL events and notify RDMA ULD
  RDMA/cxgb4: Drop peer_abort when no endpoint found
  RDMA/cxgb4: Always wake up waiters in c4iw_peer_abort_intr()
  mlx4_core: Change bitmap allocator to work in round-robin fashion
  RDMA/nes: Don't call event handler if pointer is NULL
  RDMA/nes: Fix for the ORD value of the connecting peer
  ...
2012-05-21 17:54:55 -07:00
Somnath Kotur
941a77d582 be2net: Fix to allow get/set of debug levels in the firmware.
Patch re-spin.
Incorporated review comments by Ben Hutchings.

Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-18 13:33:32 -04:00
Sathya Perla
39f1d94d30 be2net: avoid disabling sriov while VFs are assigned
Calling pci_disable_sriov() while VFs are assigned to VMs causes
kernel panic. This patch uses PCI_DEV_FLAGS_ASSIGNED bit state of the
VF's pci_dev to avoid this. Also, the unconditional function reset cmd
issued on a PF probe can delete the VF configuration for the
previously enabled VFs. A scratchpad register is now used to issue a
function reset only when needed (i.e., in a crash dump scenario.)

Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-10 23:33:00 -04:00
Parav Pandit
045508a8a3 be2net: Add functionality to support RoCE driver
- Increase MSI-X vectors by 5 for RoCE traffic.
- Add macro to check roce support on a device.
- Add device-specific doorbell and MSI-X vector fields shared with NIC
  functionality.
- Provide RoCE driver registration and deregistration functions.
- Add support functions which will be invoked on adapter add/remove
  and port up/down events.
- Traverse through the list of adapters to invoke callback functions.

Signed-off-by: Parav Pandit <parav.pandit@emulex.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-08 11:17:47 -07:00
Parav Pandit
6a4ab669ad be2net: Add function to issue mailbox cmd on MQ
- Add generic function to issue mailbox cmd on MQ as export function.
- RoCE driver will use this before it setups its own MQ.

Signed-off-by: Parav Pandit <parav.pandit@emulex.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-05-08 11:17:47 -07:00
Somnath Kotur
eeb7fc7bc0 be2net: Fix EEH error reset before a flash dump completes
An EEH error can cause the FW to trigger a flash debug dump.
Resetting the card while flash dump is in progress can cause it not to recover.
Wait for it to finish before letting EEH flow to reset the card.

Signed-off-by: Sathya Perla <Sathya.Perla@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 21:07:24 -04:00
Somnath Kotur
aaa6daec58 be2net: Record receive queue index in skb to aid RPS.
Signed-off-by: Sarveshwar Bandi <Sarveshwar.Bandi@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 21:07:24 -04:00
Somnath Kotur
682256dbef be2net: Fix to apply duplex value as unknown when link is down.
Suggested-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Sarveshwar Bandi <sarveshwar.bandi@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 21:07:24 -04:00
Somnath Kotur
22ca7a6e9a be2net: Fix to not set link speed for disabled functions of a UMC card
This renders the interface view somewhat inconsistent from the Host OS POV
considering the rest of the interfaces are showing their respective speeds
based on the bandwidth assigned to them.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-02 21:07:24 -04:00
Ajit Khaparde
06b0ab373d be2net: update the driver version
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-27 00:03:36 -04:00
Ajit Khaparde
2a89611a05 be2net: fix speed displayed by ethtool on certain SKUs
logical speed returned by link_status_query needs to be multiplied by 10.

Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-27 00:03:35 -04:00
Ajit Khaparde
ddc3f5cbaf be2net: Ignore status of some ioctls during driver load
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-27 00:03:35 -04:00
Padmanabh Ratnakar
c165541efc be2net: Fix FW download for BE
Skip flashing a FW component if that component is not present in a
particular FW UFI image.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-26 05:03:31 -04:00
Padmanabh Ratnakar
652bf64622 be2net: Fix wrong status getting returned for MCC commands
MCC Response CQEs are processed as part of NAPI poll routine and
also synchronously. If MCC completions are consumed by NAPI poll
routine, wrong status is returned to synchronously waiting routine.
Fix this by getting status of MCC command from command response
instead of response CQEs.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-26 05:03:31 -04:00
Padmanabh Ratnakar
d51ebd3311 be2net: Fix Lancer statistics
Fix port num sent in command to get stats. Also skip unnecessary
parsing of stats for Lancer.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-26 05:03:31 -04:00
Padmanabh Ratnakar
af311fe310 be2net: Fix traffic stall INTx mode
EQ is getting armed wrongly in INTx mode as INTx interrupt is taking
some time to deassert. This can cause another interrupt while NAPI is
scheduled and scheduling a NAPI in interrupt does not take effect.
This causes interrupt to be missed and traffic stalls. Fixing this by
preventing wrong arming of EQ.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-26 05:03:31 -04:00
Padmanabh Ratnakar
a704739496 be2net: Fix ethtool self test for Lancer
Lancer does not support DDR self test. Fix ethtool self test by
skipping this test for Lancer.

Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-26 05:03:31 -04:00