diff mbox series

[net-next,v3,9/9] net: rswitch: Allow jumbo frames

Message ID 20231204012058.3876078-10-yoshihiro.shimoda.uh@renesas.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: rswitch: Add jumbo frames support | 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;
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: 1115 this patch: 1115
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 1145 this patch: 1145
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: 1142 this patch: 1142
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 19 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

Commit Message

Yoshihiro Shimoda Dec. 4, 2023, 1:20 a.m. UTC 
Allow jumbo frames by changing maximum MTU size and number of RX queues.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 drivers/net/ethernet/renesas/rswitch.c | 2 ++
 drivers/net/ethernet/renesas/rswitch.h | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
index df419112b67a..9cdcac9c56b9 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -1882,6 +1882,8 @@  static int rswitch_device_alloc(struct rswitch_private *priv, unsigned int index
 	snprintf(ndev->name, IFNAMSIZ, "tsn%d", index);
 	ndev->netdev_ops = &rswitch_netdev_ops;
 	ndev->ethtool_ops = &rswitch_ethtool_ops;
+	ndev->max_mtu = RSWITCH_MAX_MTU;
+	ndev->min_mtu = ETH_MIN_MTU;
 
 	netif_napi_add(ndev, &rdev->napi, rswitch_poll);
 
diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h
index 4252677e2a55..72e3ff596d31 100644
--- a/drivers/net/ethernet/renesas/rswitch.h
+++ b/drivers/net/ethernet/renesas/rswitch.h
@@ -26,9 +26,10 @@ 
 		else
 
 #define TX_RING_SIZE		1024
-#define RX_RING_SIZE		1024
+#define RX_RING_SIZE		4096
 #define TS_RING_SIZE		(TX_RING_SIZE * RSWITCH_NUM_PORTS)
 
+#define RSWITCH_MAX_MTU		9600
 #define RSWITCH_HEADROOM	(NET_SKB_PAD + NET_IP_ALIGN)
 #define RSWITCH_DESC_BUF_SIZE	2048
 #define RSWITCH_TAILROOM	SKB_DATA_ALIGN(sizeof(struct skb_shared_info))