[PATCH V6 net-next 1/6] ethtool: add support to set/get tx copybreak buf size via ethtool
From: Guangbin Huang <hidden>
Date: 2021-11-02 13:50:58
Also in:
linux-s390
Subsystem:
networking [ethtool], networking [general], the rest · Maintainers:
Andrew Lunn, Jakub Kicinski, "David S. Miller", Eric Dumazet, Paolo Abeni, Linus Torvalds
From: Hao Chen <redacted> Add support for ethtool to set/get tx copybreak buf size. Signed-off-by: Hao Chen <redacted> Signed-off-by: Guangbin Huang <redacted> --- include/uapi/linux/ethtool.h | 1 + net/ethtool/common.c | 1 + net/ethtool/ioctl.c | 1 + 3 files changed, 3 insertions(+)
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index a2223b685451..7bc4b8def12c 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 44430b6ab843..3dc81edf5ca5 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c@@ -2382,6 +2382,7 @@ 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;
--
2.33.0