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authorIntiyaz Basha <intiyaz.basha@cavium.com>2018-03-27 19:25:18 -0700
committerDavid S. Miller <davem@davemloft.net>2018-03-29 14:13:49 -0400
commit697fefc7c1531f75ecd9623a4a4cbd47fab32ca8 (patch)
treecc466aa9d9bfd043d81752e886bcd2fea31647bf /net/ipv6
parentb349e0b5ec5d7be57ac243fb08ae8b994c928165 (diff)
downloadlinux-697fefc7c1531f75ecd9623a4a4cbd47fab32ca8.tar.bz2
liquidio: Prioritize control messages
During heavy tx traffic, control messages (sent by liquidio driver to NIC firmware) sometimes do not get processed in a timely manner. Reason is: the low-level metadata of control messages and that of egress network packets indicate that they have the same priority. Fix it by setting a higher priority for control messages through the new ctrl_qpg field in the oct_txpciq struct. It is the NIC firmware that does the actual setting of priority by writing to the new ctrl_qpg field; the host driver treats that value as opaque and just assigns it to pki_ih3->qpg 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>
Diffstat (limited to 'net/ipv6')
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