Allow users to configure and use more than 8 rx queues and 8 tx queues
on the Cisco VIC.
This series changes the maximum number of tx and rx queues supported
from 8 to the hardware limit of 256, and allocates memory based on the
number of resources configured on the VIC.
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
---
Changes in v4:
- Followed Vadim Fedorenko's suggestions for re-arranging enic_wq and
adding ____cacheline_aligned to the new structs.
- Link to v3: https://lore.kernel.org/r/20241108-remove_vic_resource_limits-v3-0-3ba8123bcffc@cisco.com
Changes in v3:
- Per Jakub's suggestions, split commit 5 into smaller commits and use
net_get_num_default_rss_queues() to set the number of RQs used.
- Fixed an issue with commit 2 caught during testing with a missing
changed needed in enic_init_vnic_resources().
- Link to v2: https://lore.kernel.org/r/20241024-remove_vic_resource_limits-v2-0-039b8cae5fdd@cisco.com
Changes in v2:
- Followed Kalesh's suggestions: removed redundant NULL assigments,
returning -ENOMEM directly
- Reviewed-by tag for Simon Horman <horms@kernel.org>
- Marked Satish Kharat and John Daley as co-developers to better reflect
their role in this patch set
- Link to v1: https://lore.kernel.org/r/20241022041707.27402-2-neescoba@cisco.com
---
Nelson Escobar (7):
enic: Create enic_wq/rq structures to bundle per wq/rq data
enic: Make MSI-X I/O interrupts come after the other required ones
enic: Save resource counts we read from HW
enic: Allocate arrays in enic struct based on VIC config
enic: Adjust used MSI-X wq/rq/cq/interrupt resources in a more robust way
enic: Move enic resource adjustments to separate function
enic: Move kdump check into enic_adjust_resources()
drivers/net/ethernet/cisco/enic/enic.h | 62 ++--
drivers/net/ethernet/cisco/enic/enic_ethtool.c | 8 +-
drivers/net/ethernet/cisco/enic/enic_main.c | 386 +++++++++++++++----------
drivers/net/ethernet/cisco/enic/enic_res.c | 42 +--
4 files changed, 299 insertions(+), 199 deletions(-)
---
base-commit: 6f07cd8301706b661776074ddc97c991d107cc91
change-id: 20241023-remove_vic_resource_limits-eaa64f9e65fb
Best regards,
--
Nelson Escobar <neescoba@cisco.com>