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9 Commits

Author SHA1 Message Date
Andrew Rybchenko
942a636499 net/sfc: support Tx VLAN insertion offload for EF100 
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Ivan Malov
77cb007124 net/sfc: support tunnel TSO for EF100 native Tx 
Handle VXLAN and Geneve TSO on EF100 native Tx datapath.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Ivan Malov
4f936666d7 net/sfc: support TSO for EF100 native datapath 
Riverhead boards support TSO version 3.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Andrew Rybchenko
f71965f9df net/sfc: support tunnels for EF100 native Tx 
Add support for outer IPv4/UDP and inner IPv4/UDP/TCP checksum offloads.
Use partial checksum offload for inner TCP/UDP offload.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Ivan Malov
38109b5b08 net/sfc: add header segments check for EF100 Tx 
EF100 native Tx datapath demands that packet header be contiguous
when partial checksum offloads are used since helper function is
used to calculate pseudo-header checksum (and the function requires
contiguous header).

Add an explicit check for this assumption and restructure the code
to avoid TSO header linearisation check since TSO header
linearisation is not done on EF100 native Tx datapath.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Andrew Rybchenko
e30f1081c2 net/sfc: support IPv4 header checksum offload for EF100 Tx 
Use outer layer 3 full checksum offload which does not require any
assistance from driver.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Andrew Rybchenko
a8e0c002f2 net/sfc: support TCP and UDP checksum offloads for EF100 
Use outer layer 4 full checksum offload which does not require any
assistance from driver.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Andrew Rybchenko
94d31cd115 net/sfc: support multi-segment Tx for EF100 
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00
Andrew Rybchenko
0cb551b690 net/sfc: implement EF100 native Tx 
No offloads support yet including multi-segment (Tx gather).

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
 2020-10-16 19:48:18 +02:00