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Subject[PATCH 15/18] staging: fsl-dpaa2/eth: Reorder priv fields
Date
Reorder fields in the device's private structure such that
the ones most used on the hotpath are at the beginning of
the structure.

This brings a small performance improvement due to better
cache usage.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
---
drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h | 26 +++++++++++---------------
1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
index 886a0681fee1..c760e9b77e22 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
@@ -290,34 +290,30 @@ struct dpaa2_eth_hash_fields {
/* Driver private data */
struct dpaa2_eth_priv {
struct net_device *net_dev;
+ /* Standard statistics */
+ struct rtnl_link_stats64 __percpu *percpu_stats;
+ /* Extra stats, in addition to the ones known by the kernel */
+ struct dpaa2_eth_drv_stats __percpu *percpu_extras;
+ struct iommu_domain *iommu_domain;
+ u16 tx_data_offset;
+ u16 bpid;
+ u16 tx_qdid;

u8 num_fqs;
- struct dpaa2_eth_fq fq[DPAA2_ETH_MAX_QUEUES];
-
u8 num_channels;
+ struct dpaa2_eth_fq fq[DPAA2_ETH_MAX_QUEUES];
struct dpaa2_eth_channel *channel[DPAA2_ETH_MAX_DPCONS];

+ struct fsl_mc_io *mc_io;
+ u16 mc_token;
struct dpni_attr dpni_attrs;
- u16 tx_data_offset;
-
struct fsl_mc_device *dpbp_dev;
- u16 bpid;
- struct iommu_domain *iommu_domain;

- u16 tx_qdid;
- struct fsl_mc_io *mc_io;
/* Cores which have an affine DPIO/DPCON.
* This is the cpu set on which Rx and Tx conf frames are processed
*/
struct cpumask dpio_cpumask;

- /* Standard statistics */
- struct rtnl_link_stats64 __percpu *percpu_stats;
- /* Extra stats, in addition to the ones known by the kernel */
- struct dpaa2_eth_drv_stats __percpu *percpu_extras;
-
- u16 mc_token;
-
struct dpni_link_state link_state;
bool do_link_poll;
struct task_struct *poll_thread;
--
2.11.0
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