bianbu-linux-6.6/drivers/net/ethernet/intel
Brett Creeley 9e4ab4c29a ice: Add support for dynamic interrupt moderation
Currently there is no support for dynamic interrupt moderation. This
patch adds some initial code to support this. The following changes
were made:

1. Currently we are using multiple members to store the interrupt
   granularity (itr_gran_25/50/100/200). This is not necessary because
   we can query the device to determine what the interrupt granularity
   should be set to, done by a new function ice_get_itr_intrl_gran.

2. Added intrl to ice_q_vector structure to support interrupt rate
   limiting.

3. Added the function ice_intrl_usecs_to_reg for converting to a value
   in usecs that the device understands.

4. Added call to write to the GLINT_RATE register. Disable intrl by
   default for now.

5. Changed rx/tx_itr_setting to itr_setting because having both seems
   redundant because a ring is either Tx or Rx.

6. Initialize itr_setting for both Tx/Rx rings in ice_vsi_alloc_rings()

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-10-02 07:19:30 -07:00
..
e1000 e1000: remove set but not used variable 'txb2b' 2018-09-19 23:09:23 -07:00
e1000e intel-ethernet: use correct module license 2018-09-18 15:32:59 -07:00
fm10k Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
i40e i40e: disallow changing the number of descriptors when AF_XDP is on 2018-09-25 13:16:19 -07:00
iavf Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
ice ice: Add support for dynamic interrupt moderation 2018-10-02 07:19:30 -07:00
igb Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
igbvf intel-ethernet: use correct module license 2018-09-18 15:32:59 -07:00
ixgb Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
ixgbe Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
ixgbevf Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-09-25 10:35:29 -07:00
e100.c intel-ethernet: use correct module license 2018-09-18 15:32:59 -07:00
Kconfig intel-ethernet: rename i40evf to iavf 2018-09-18 08:43:03 -07:00
Makefile intel-ethernet: rename i40evf to iavf 2018-09-18 08:43:03 -07:00