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path: root/drivers/net/ethernet/cavium/liquidio/octeon_mailbox.h
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* liquidio: Added ndo_get_vf_stats supportIntiyaz Basha2018-04-201-0/+7
| | | | | | | | | | Added the ndo to gather VF statistics through the PF. Collect VF statistics via mailbox from VF. Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* liquidio: fix rare pci_driver.probe failure of VF driverPrasad Kanneganti2017-05-261-6/+6
| | | | | | | | | | | | | | | | There's a rare pci_driver.probe failure of the VF driver that's caused by PF/VF handshake going out of sync. The culprit is octeon_mbox_write() who ignores an ack timeout condition; it just keeps unconditionally writing all elements of mbox_cmd->data[] even when the other side is not ready for them. Fix it by making each write of mbox_cmd->data[i] conditional to having previously received an ack. Also fix the octeon_mbox_state enum such that each state gets a unique value. Also add ULL suffix to numeric literals in macro definitions. Signed-off-by: Prasad Kanneganti <prasad.kanneganti@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* liquidio VF: reduce load time of modulePrasad Kanneganti2017-01-121-2/+2
| | | | | | | | | | | | | Reduce the load time of the VF driver by decreasing the wait time between iterations of the loop that polls for a mailbox response from the PF. Also change the wait time units from jiffies to milliseconds. Signed-off-by: Prasad Kanneganti <prasad.kanneganti@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com> Signed-off-by: Derek Chickles <derek.chickles@cavium.com> Signed-off-by: Satanand Burla <satananda.burla@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* liquidio CN23XX: Mailbox supportRaghu Vatsavayi2016-11-161-0/+115
Adds support for mailbox communication between PF and VF. Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>