[PATCH net-next 3/5] ionic: struct reorder for faster access
From: Shannon Nelson <hidden>
Date: 2020-08-31 23:36:18
Subsystem:
networking drivers, pensando ethernet drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Brett Creeley, Linus Torvalds
Move a few active struct fields to the front of the struct for a little better cache use and performance. Signed-off-by: Shannon Nelson <redacted> --- .../net/ethernet/pensando/ionic/ionic_dev.h | 18 +++++++++--------- .../net/ethernet/pensando/ionic/ionic_lif.h | 14 +++++++------- 2 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 2b2eb5f2a0e5..87debc512755 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h@@ -199,16 +199,17 @@ struct ionic_desc_info { struct ionic_queue { struct device *dev; - u64 dbell_count; - u64 drop; - u64 stop; - u64 wake; struct ionic_lif *lif; struct ionic_desc_info *info; - struct ionic_dev *idev; u16 head_idx; u16 tail_idx; unsigned int index; + unsigned int num_descs; + u64 dbell_count; + u64 stop; + u64 wake; + u64 drop; + struct ionic_dev *idev; unsigned int type; unsigned int hw_index; unsigned int hw_type;
@@ -226,7 +227,6 @@ struct ionic_queue { }; dma_addr_t base_pa; dma_addr_t sg_base_pa; - unsigned int num_descs; unsigned int desc_size; unsigned int sg_desc_size; unsigned int pid;
@@ -246,8 +246,6 @@ struct ionic_intr_info { }; struct ionic_cq { - void *base; - dma_addr_t base_pa; struct ionic_lif *lif; struct ionic_cq_info *info; struct ionic_queue *bound_q;
@@ -255,8 +253,10 @@ struct ionic_cq { u16 tail_idx; bool done_color; unsigned int num_descs; - u64 compl_count; unsigned int desc_size; + u64 compl_count; + void *base; + dma_addr_t base_pa; }; struct ionic;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
index e1e6ff1a0918..11ea9e0c6a4a 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h@@ -16,32 +16,32 @@ #define IONIC_TX_BUDGET_DEFAULT 256 struct ionic_tx_stats { - u64 dma_map_err; u64 pkts; u64 bytes; - u64 clean; - u64 linearize; u64 csum_none; u64 csum; - u64 crc32_csum; u64 tso; u64 tso_bytes; u64 frags; u64 vlan_inserted; + u64 clean; + u64 linearize; + u64 crc32_csum; u64 sg_cntr[IONIC_MAX_NUM_SG_CNTR]; + u64 dma_map_err; }; struct ionic_rx_stats { - u64 dma_map_err; - u64 alloc_err; u64 pkts; u64 bytes; u64 csum_none; u64 csum_complete; - u64 csum_error; u64 buffers_posted; u64 dropped; u64 vlan_stripped; + u64 csum_error; + u64 dma_map_err; + u64 alloc_err; }; #define IONIC_QCQ_F_INITED BIT(0)
--
2.17.1