diff mbox series

[V3,net-next,1/6] ethtool: add support to set/get tx copybreak buf size via ethtool

Message ID 20211012134127.11761-2-huangguangbin2@huawei.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series ethtool: add support to set/get tx copybreak buf size and rx buf len | expand

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Context Check Description
netdev/cover_letter success Series has a cover letter
netdev/fixes_present success Fixes tag not required for -next series
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers warning 10 maintainers not CCed: idosch@nvidia.com arnd@arndb.de george.mccollister@gmail.com petr.vorel@gmail.com hkallweit1@gmail.com gustavoars@kernel.org yangbo.lu@nxp.com alexanderduyck@fb.com austindh.kim@gmail.com alobakin@pm.me
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 2046 this patch: 2046
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success No Fixes tag
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 21 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 2040 this patch: 2040
netdev/header_inline success No static functions without inline keyword in header files

Commit Message

Guangbin Huang Oct. 12, 2021, 1:41 p.m. UTC 
From: Hao Chen <chenhao288@hisilicon.com>

Add support for ethtool to set/get tx copybreak buf size.

Signed-off-by: Hao Chen <chenhao288@hisilicon.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
---
 include/uapi/linux/ethtool.h | 1 +
 net/ethtool/common.c         | 1 +
 net/ethtool/ioctl.c          | 1 +
 3 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index b6db6590baf0..266e95e4fb33 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -231,6 +231,7 @@  enum tunable_id {
 	ETHTOOL_RX_COPYBREAK,
 	ETHTOOL_TX_COPYBREAK,
 	ETHTOOL_PFC_PREVENTION_TOUT, /* timeout in msecs */
+	ETHTOOL_TX_COPYBREAK_BUF_SIZE,
 	/*
 	 * Add your fresh new tunable attribute above and remember to update
 	 * tunable_strings[] in net/ethtool/common.c
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index c63e0739dc6a..0c5210015911 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -89,6 +89,7 @@  tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
 	[ETHTOOL_RX_COPYBREAK]	= "rx-copybreak",
 	[ETHTOOL_TX_COPYBREAK]	= "tx-copybreak",
 	[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
+	[ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size",
 };
 
 const char
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 999e2a6bed13..a6600e361c34 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -2381,6 +2381,7 @@  static int ethtool_tunable_valid(const struct ethtool_tunable *tuna)
 	switch (tuna->id) {
 	case ETHTOOL_RX_COPYBREAK:
 	case ETHTOOL_TX_COPYBREAK:
+	case ETHTOOL_TX_COPYBREAK_BUF_SIZE:
 		if (tuna->len != sizeof(u32) ||
 		    tuna->type_id != ETHTOOL_TUNABLE_U32)
 			return -EINVAL;