[PATCH ethtool-next 2/2] ethtool: netlink: add support to get/set tx copybreak buf size
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STALE1745d
From: Guangbin Huang <hidden>
Date: 2021-12-20 08:36:50
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Hao Chen <redacted> Add support for "ethtool --set-tunable <dev> tx-buf-size xxx" and "ethtool --get-tunable <dev> tx-buf-size" to set/get tx copybreak buf size. Signed-off-by: Hao Chen <redacted> Signed-off-by: Guangbin Huang <redacted> --- ethtool.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/ethtool.c b/ethtool.c
index 0dc3559..5d718a2 100644
--- a/ethtool.c
+++ b/ethtool.c@@ -5009,6 +5009,7 @@ tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { [ETHTOOL_ID_UNSPEC] = "Unspec", [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", + [ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-buf-size", [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout", };
@@ -5048,6 +5049,11 @@ static struct ethtool_tunable_info tunables_info[] = { .size = sizeof(u16), .type = CMDL_U16, }, + { .t_id = ETHTOOL_TX_COPYBREAK_BUF_SIZE, + .t_type_id = ETHTOOL_TUNABLE_U32, + .size = sizeof(u32), + .type = CMDL_U32, + }, }; #define TUNABLES_INFO_SIZE ARRAY_SIZE(tunables_info)
@@ -5961,6 +5967,7 @@ static const struct option args[] = { .help = "Get tunable", .xhelp = " [ rx-copybreak ]\n" " [ tx-copybreak ]\n" + " [ tx-buf-size ]\n" " [ pfc-precention-tout ]\n" }, {
@@ -5969,6 +5976,7 @@ static const struct option args[] = { .help = "Set tunable", .xhelp = " [ rx-copybreak N]\n" " [ tx-copybreak N]\n" + " [ tx-buf-size N]\n" " [ pfc-precention-tout N]\n" }, {
--
2.33.0