From 1255a5055449781a92076fc5429952f2b33cf309 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Sun, 5 Oct 2014 12:35:21 +0300 Subject: [PATCH] ethtool: Ethtool parameter to dynamically change tx_copybreak Use new ethtool [sg]et_tunable() to set tx_copybread (inline threshold) Signed-off-by: Eric Dumazet Signed-off-by: Amir Vadai Signed-off-by: David S. Miller --- include/uapi/linux/ethtool.h | 1 + net/core/ethtool.c | 1 + 2 files changed, 2 insertions(+) diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 7a364f2f3d3f..99b43056a6fe 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -212,6 +212,7 @@ struct ethtool_value { enum tunable_id { ETHTOOL_ID_UNSPEC, ETHTOOL_RX_COPYBREAK, + ETHTOOL_TX_COPYBREAK, }; enum tunable_type_id { diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 27e61b886520..1600aa24d36b 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -1625,6 +1625,7 @@ static int ethtool_tunable_valid(const struct ethtool_tunable *tuna) { switch (tuna->id) { case ETHTOOL_RX_COPYBREAK: + case ETHTOOL_TX_COPYBREAK: if (tuna->len != sizeof(u32) || tuna->type_id != ETHTOOL_TUNABLE_U32) return -EINVAL; -- 2.20.1