Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: David Riddoch <driddoch@solarflare.com>
There is not point to check other Tx descriptors.
It is important if Tx datapath does not reset Tx descriptor
mbuf pointer to NULL on completion (EF10 simple Tx will do).
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: David Riddoch <driddoch@solarflare.com>
Tx/Rx queue may be already flushed due to Tx/Rx error on the queue or
MC reboot. Caller needs to know that the queue is already flushed to
avoid waiting for flush done event.
Signed-off-by: Andy Moreton <amoreton@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
MCDI results returned in req.emr_rc have already been translated
from MC_CMD_ERR_* to errno names, so using an MC_CMD_ERR_* value
is incorrect.
Fixes: e7cd430c86 ("net/sfc/base: import SFN7xxx family support")
Cc: stable@dpdk.org
Signed-off-by: Andy Moreton <amoreton@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Required to be able to use logging in the secondary process
where Ethernet device pointer stored in sfc_adapter is invalid.
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Instead of many PMD define their own macro, define a generic one in
ethdev and use that in PMDs.
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Allain Legacy <allain.legacy@windriver.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
remove __rte_unused instances that are not required.
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Allain Legacy <allain.legacy@windriver.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
vfio is the kernel framework used by the vfio-pci kernel driver.
DPDK drivers do not rely solely on vfio, but rather on vfio-pci to gain
access to pci resources.
Fixes: 0880c40113 ("drivers: advertise kmod dependencies in pmdinfo")
Cc: stable@dpdk.org
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
Recently link status change interrupt was enabled by default in testpmd,
it has opened the driver bug with not working LSC interrupt if either
igb_uio or uio_pci_generic kernel driver is used.
Fixes: 06bc197796 ("net/sfc: interrupts support sufficient for event queue init")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Previous too pessimistic estimation made completely impossible to send
packets with many segments (more than 100 with minimum Tx ring size).
Fixes: 8b00f426eb ("net/sfc: implement EF10 native Tx datapath")
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
RSS hash is computed by hardware if corresponding Rx filter (for
example, default Rx filters) has RSS flag set which is set if
the number of RSS channels is greater than zero.
Fixes: 4ec1fc3ba8 ("net/sfc: add basic stubs for RSS support on driver attach")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Enabled RSS enables RSS hash computation and provision in pseudo header.
It still makes sense for applications even if only one Rx queue is used.
Fixes: 4ec1fc3ba8 ("net/sfc: add basic stubs for RSS support on driver attach")
Fixes: 088e17210a ("net/sfc: query RSS key and hash types config")
Fixes: 82faef5076 ("net/sfc: set RSS key and hash types config")
Fixes: af0d931797 ("net/sfc: query RSS redirection table")
Fixes: 32bcfb0a50 ("net/sfc: update RSS redirection table")
Fixes: f5258439ee ("net/sfc: avoid failure on port start if Rx mode is rejected")
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Fixes: 4ec1fc3ba8 ("net/sfc: add basic stubs for RSS support on driver attach")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Coverity issue: 1419717
Fixes: a9825ccf5b ("net/sfc: support flow API filters")
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
mbuf next is equal to NULL, nb_segs and reference counter are equal to 1
when mbuf is obtained from mempool.
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
The patch change the prototype of callback function
(rte_intr_callback_fn) by removing the unnecessary parameter.
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Improve error checking to avoid a caller overflowing the MCDI
request buffer if the requested TXQ size was excessively large.
Coverity issue: 1305527
Fixes: e7cd430c86 ("net/sfc/base: import SFN7xxx family support")
CC: stable@dpdk.org
Signed-off-by: Andy Moreton <amoreton@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Device reconfigure should be done without close which releases
all transmit and receive queue. ethdev API assumes that previously
setup queues (minimum from configured before and now) are kept
across device reconfigure.
Fixes: aaa3f5f0f7 ("net/sfc: add configure and close stubs")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Fixes: a8ad8cf83f ("net/sfc: provide basic stubs for Tx subsystem")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Prepare to fix device reconfigure. Make it clear that corresponding
functions should be called on device configure and close operations.
No functional change.
Fixes: a8ad8cf83f ("net/sfc: provide basic stubs for Tx subsystem")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Prepare to fix device reconfigure. Make it clear that corresponding
functions should be called on device configure and close operations.
No functional change.
Fixes: a8e64c6b45 ("net/sfc: implement Rx subsystem stubs")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Port configuration should be initialized on attach to avoid reset to
defaults on device reconfigure.
Fixes: 03ed21195d ("net/sfc: minimum port control sufficient to receive traffic")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Prepare to fix device reconfigure.
Device arguments should be parsed once on attach.
Management event queue should be initialized once on attach.
Fixes: 58294ee65a ("net/sfc: support event queue")
Fixes: c22d3c508e ("net/sfc: support parameter to choose performance profile")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
EvQ info array keeps information about EvQ centralized, however
EvQ pointers are available in TxQ and RxQ structures. Single
array for all EvQs complicates device reconfigure handling, so
simply git rid of it.
It removes notion of EvQ software index since there is no EvQ
array in software any more.
Fixes: 58294ee65a ("net/sfc: support event queue")
Fixes: 9a75f75cb1 ("net/sfc: maintain management event queue")
Fixes: ce35b05c63 ("net/sfc: implement Rx queue setup release operations")
Fixes: 28944ac098 ("net/sfc: implement Rx queue start and stop operations")
Fixes: b1b7ad933b ("net/sfc: set up and release Tx queues")
Fixes: fed9aeb46c ("net/sfc: implement transmit path start / stop")
Fixes: 3b809c27b1 ("net/sfc: support link status change interrupt")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Next step to get rid of EvQ info at all.
Fixes: c22d3c508e ("net/sfc: support parameter to choose performance profile")
Fixes: 3b809c27b1 ("net/sfc: support link status change interrupt")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
EvQ info array is a problem on device reconfigure when number of
Rx and Tx queues may change. It is a step to get rid of it.
Fixes: 58294ee65a ("net/sfc: support event queue")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
The index of an event queue index is computed from the index of the
corresponding transmit or receive queue, and depends on the total
number of receive queues. As a consequence, the index of an event
queue bound to a transmit queue changes if the total number of
receive queues is changed.
Fixes: 58294ee65a ("net/sfc: support event queue")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Make it clear that corresponding functions should be called on device
configure and close operations. No functional change.
Fixes: 06bc197796 ("net/sfc: interrupts support sufficient for event queue init")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
If Tx datapath does not support TSO, TSO was dropped on device configure.
It is incorrect to change advertised offloads.
Fixes: 7a4d44a639 ("net/sfc: make TSO a datapath-dependent feature")
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Datapath choice requires NIC capabilities knowledge and, therefore,
should be done after probe. Whereas NIC resources estimation needs
to know chosen datapath (e.g. if Tx datapath is going to use TSO).
Fixes: df1bfde4ff ("net/sfc: factor out libefx-based Rx datapath")
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Put to mempool does not free chained segments.
Fixes: e0b063941e ("net/sfc: support scattered Rx DMA")
Cc: stable@dpdk.org
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
