Commit 0c1d175b authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller
Browse files

ionic: struct reorder for faster access 



Move a few active struct fields to the front of the struct
for a little better cache use and performance.

Signed-off-by: default avatarShannon Nelson <snelson@pensando.io>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 63cd9083

drivers/net/ethernet/pensando/ionic/ionic_dev.h

+9 −9
Original line number Diff line number Diff line
@@ -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;

drivers/net/ethernet/pensando/ionic/ionic_lif.h

+7 −7
Original line number Diff line number Diff line
@@ -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)