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  1. 19 12月, 2017 1 次提交
  3. 27 7月, 2017 5 次提交
  5. 25 5月, 2017 1 次提交
  7. 22 5月, 2017 2 次提交
  9. 05 5月, 2017 2 次提交
  11. 15 3月, 2017 1 次提交
  13. 21 2月, 2017 1 次提交
  15. 16 2月, 2017 1 次提交
  17. 02 1月, 2017 2 次提交
  19. 01 12月, 2016 6 次提交
    • M
      qede: Add support for XDP_TX · cb6aeb07
      由 Mintz, Yuval 提交于 
      Add support for forwarding via XDP. Once the eBPF is attached,
driver would allocate & configure a designated transmission queue
meant solely for forwarding packets. Said queue would share the
receive-queue's interrupt line, and would have it's own Tx statistics.

Infrastructure changes required for this [spread-out through the code]:
 - Determine the DMA direction of the receive buffers based on the presence
of the eBPF program.
 - Turn the sw Tx ring into a union, as regular/XDP queues have different
needs for releasing resources after completion [regular requires the SKB,
XDP requires the transmitted page].
Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      cb6aeb07
    • M
      qede: Add basic XDP support · 496e0517
      由 Mintz, Yuval 提交于 
      Add support for the ndo_xdp callback. This patch would support XDP_PASS,
XDP_DROP and XDP_ABORTED commands.

This also adds a per Rx queue statistic which counts number of packets
which didn't reach the stack [due to XDP].
Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      496e0517
    • M
      qede: Better utilize the qede_[rt]x_queue · 9eb22357
      由 Mintz, Yuval 提交于 
      Improve the cacheline usage of both queues by reordering -
This reduces the cachelines required for egress datapath processing
from 3 to 2 and those required by ingress datapath processing by 2.

It also changes a couple of datapath related functions that currently
require either the fastpath or the qede_dev, changing them to be based
on the tx/rx queue instead.
Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      9eb22357
    • M
      qede: Revise state locking scheme · 567b3c12
      由 Mintz, Yuval 提交于 
      As qede utilizes an internal-reload sequence as result of various
configuration changes, the netif state wouldn't always accurately describe
the status of the configuration.
To compensate, we're storing an internal state of the device, which should
only be accessed under the qede_lock.

This patch fixes and improves several state/lock interactions:
  - The internal state should only be checked while locked.
  - While holding lock, it's preferable to check state rather than
    the netdevice's state.
  - The reload sequence is not 'atomic' - unload and subsequent load
    are not in the same critical section.

This also add the 'locked' variant for the reload, which would later be
used by XDP - useful in the case where the correct sequence is 'lock,
check state and re-configure if good', instead of allowing the reload
itself to make the decision regarding the configurability of the device.
Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      567b3c12
    • M
      qede: Refactor statistics gathering · 4dbcd640
      由 Mintz, Yuval 提交于 
      Refactor logic for gathering statistics into a per-queue function.
This improves readability of the driver statistics' flows.

In addition, this would be required by the XDP forwarding queues
[as we'll need the Txq statistics gathering methods for those as well].
Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      4dbcd640
    • M
      qede: Remove 'num_tc'. · 80439a17
      由 Mintz, Yuval 提交于 
      Driver currently doesn't support multi-CoS, but it contains logic
where multiple transmission queues could be theoretically manipulated.
No point in maintaining the infrastructure at the moment.
Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      80439a17
  21. 01 11月, 2016 5 次提交
  23. 23 10月, 2016 5 次提交
  25. 18 10月, 2016 1 次提交
  27. 08 9月, 2016 1 次提交
  29. 31 8月, 2016 1 次提交
    • A
      qede: hide 32-bit compile warning · 84fd1b19
      由 Arnd Bergmann 提交于 
      The addition of the per-queue statistics introduced a harmless warning
on all 32-bit architectures:

drivers/net/ethernet/qlogic/qede/qede_ethtool.c: In function 'qede_get_ethtool_stats':
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:244:31: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
      buf[cnt++] = QEDE_TQSTATS_DATA(edev,
                               ^
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:244:22: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
      buf[cnt++] = QEDE_TQSTATS_DATA(edev,
                      ^
This changes the cast to 'void *' to shut up the warning, which
avoids the assumptions on the size of the pointer type.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Fixes: 68db9ec2 ("qede: Add support for per-queue stats.")
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      84fd1b19
  31. 24 8月, 2016 1 次提交
  33. 19 8月, 2016 4 次提交