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[net-next,02/12] ionic: Change default number of descriptors for Tx and Rx

Message ID 20240229193935.14197-3-shannon.nelson@amd.com (mailing list archive)
State Accepted
Commit 4d140402c6e8b58c6ab76f716ae38c558bf5b080
Delegated to: Netdev Maintainers
Headers show
Series ionic: code cleanup and performance tuning | 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: 8 this patch: 8
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 956 this patch: 956
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: 957 this patch: 957
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-2024-03-03--15-00 (tests: 886)

Commit Message

Nelson, Shannon Feb. 29, 2024, 7:39 p.m. UTC 
From: Brett Creeley <brett.creeley@amd.com>

Cut down the number of default Tx and Rx descriptors to save
initial memory requirements.

Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
---
 drivers/net/ethernet/pensando/ionic/ionic_dev.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index abe64086e8ca..516db910e8e8 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -16,7 +16,7 @@ 
 #define IONIC_MAX_TX_DESC		8192
 #define IONIC_MAX_RX_DESC		16384
 #define IONIC_MIN_TXRX_DESC		64
-#define IONIC_DEF_TXRX_DESC		4096
+#define IONIC_DEF_TXRX_DESC		1024
 #define IONIC_RX_FILL_THRESHOLD		16
 #define IONIC_RX_FILL_DIV		8
 #define IONIC_TSO_DESCS_NEEDED		44 /* 64K TSO @1500B */