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nvethernet: enable tx interrupt coalescing

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Tx frame count and software timer based interrupt coalescing
is enabled. Tx frame count based interrupt coalescing can be
enabled only when tx software timer based interrupt coalescing
is also enabled.

Bug 200529168

Change-Id: I8ac701c86238e8d34d7dbe9924df1162083c023e
Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2234610
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Ajay Gupta
2019-11-04 15:05:51 -08:00
committed by Revanth Kumar Uppala
parent 5a14f39d86
commit 97dede3ff9
3 changed files with 149 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
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@@ -39,6 +39,7 @@
#include <linux/udp.h>
#include <linux/of.h>
#include <linux/ktime.h>
#include <linux/hrtimer.h>
#include <osi_core.h>
#include <osi_dma.h>
@@ -137,6 +138,7 @@
*/
#define ETHER_TX_DESC_THRESHOLD (MAX_SKB_FRAGS + ETHER_TX_MAX_SPLIT + 2)
#define ETHER_TX_MAX_FRAME (TX_DESC_CNT / ETHER_TX_DESC_THRESHOLD)
/**
*@brief Returns count of available transmit descriptors
*
@@ -178,6 +180,10 @@ struct ether_tx_napi {
struct ether_priv_data *pdata;
/** NAPI instance associated with transmit channel */
struct napi_struct napi;
/** SW timer associated with transmit channel */
struct hrtimer tx_usecs_timer;
/** SW timer flag associated with transmit channel */
atomic_t tx_usecs_timer_armed;
};
/**