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[v1,net-next,5/6] net: ena: Change initial rx_usec interval

Message ID 20240506070453.17054-6-darinzon@amazon.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series ENA driver changes May 2024 | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 926 this patch: 926
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 2 maintainers not CCed: pabeni@redhat.com edumazet@google.com
netdev/build_clang success Errors and warnings before: 937 this patch: 937
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 937 this patch: 937
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-05-08--00-00 (tests: 1002)

Commit Message

Arinzon, David May 6, 2024, 7:04 a.m. UTC 
From: David Arinzon <darinzon@amazon.com>

For the purpose of obtaining better CPU utilization,
minimum rx moderation interval is set to 20 usec.

Signed-off-by: Osama Abboud <osamaabb@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
---
 drivers/net/ethernet/amazon/ena/ena_com.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
index fdae0cc9..924f03f5 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_com.h
@@ -47,7 +47,7 @@ 
 /* ENA adaptive interrupt moderation settings */
 
 #define ENA_INTR_INITIAL_TX_INTERVAL_USECS 64
-#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 0
+#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 20
 #define ENA_DEFAULT_INTR_DELAY_RESOLUTION 1
 
 #define ENA_HASH_KEY_SIZE 40