18 Commits

Author SHA1 Message Date
Ivan Malov
088e17210a net/sfc: query RSS key and hash types config
Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Ivan Malov
d9ff551fc9 net/sfc: support RSS hash offload
Extract RSS hash provided by the HW in the prefix and put it to mbuf.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Ivan Malov
4ec1fc3ba8 net/sfc: add basic stubs for RSS support on driver attach
Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
ac7af39692 net/sfc: support deferred start of receive queues
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
e0b063941e net/sfc: support scattered Rx DMA
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
36d84f87b3 net/sfc: get RxQ descriptor done
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
04aa6b9c5f net/sfc: get RxQ pending descriptors count
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
9e6122231a net/sfc: support Rx free threshold
Rx free threshold defines minimum number of free Rx descriptors
when Rx ring refill should be done.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
56349dc9f3 net/sfc: handle received packet type info from HW
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
16e42e91ea net/sfc: support checksum offloads on receive
IPv4 header and TCP/UDP checksums for both IPv4 and IPv6 are supported.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andrew Lee <alee@solarflare.com>
Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
2017-01-17 19:40:50 +01:00
Andrew Rybchenko
09a09b6f8b net/sfc: discard scattered packet on Rx correctly
Since Rx scatter is not supported, all scattered packets are discarded.
It is not always possible to disable scatter on Huntington, so we
should handle scattered packets correctly in any case.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00
Andrew Rybchenko
921f6cf18f net/sfc: implement device callback to Rx burst of packets
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00
Andrew Rybchenko
28944ac098 net/sfc: implement Rx queue start and stop operations
These functions should set the queue state in dev->data->rx_queue_state
array.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00
Andrew Rybchenko
dcc3285f07 net/sfc: validate Rx queue buffers setup
Check that Rx mbuf pool, MTU and Rx scatter config are in sync.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00
Andrew Rybchenko
0c7a0c35f2 net/sfc: calculate Rx buffer size which may be used
Take Rx buffer start alignment and end-padding into account.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00
Andrew Rybchenko
ce35b05c63 net/sfc: implement Rx queue setup release operations
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00
Andrew Rybchenko
976f2e5a0c net/sfc: check configured Rx mode
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00
Andrew Rybchenko
a8e64c6b45 net/sfc: implement Rx subsystem stubs
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2017-01-17 19:39:26 +01:00