2020-10-22 08:01:27

by Shayne Chen

[permalink] [raw]
Subject: [PATCH v4 04/10] mt76: testmode: add support for LTF and GI combinations for HE mode

Prepare for setting different LTF (1x, 2x, and 4x) and GI (0.8us,
1.6us, 3.2us) combinations in HE rate mode.

Reviewed-by: Ryder Lee <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 1 +
drivers/net/wireless/mediatek/mt76/testmode.c | 6 +++++-
drivers/net/wireless/mediatek/mt76/testmode.h | 2 ++
3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 9ff249e..a0f225c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -528,6 +528,7 @@ struct mt76_testmode_data {
u8 tx_rate_sgi;
u8 tx_rate_ldpc;
u8 tx_rate_stbc;
+ u8 tx_ltf;

u8 tx_antenna_mask;

diff --git a/drivers/net/wireless/mediatek/mt76/testmode.c b/drivers/net/wireless/mediatek/mt76/testmode.c
index 6b59e08..f37a460 100644
--- a/drivers/net/wireless/mediatek/mt76/testmode.c
+++ b/drivers/net/wireless/mediatek/mt76/testmode.c
@@ -12,6 +12,7 @@ static const struct nla_policy mt76_tm_policy[NUM_MT76_TM_ATTRS] = {
[MT76_TM_ATTR_TX_RATE_SGI] = { .type = NLA_U8 },
[MT76_TM_ATTR_TX_RATE_LDPC] = { .type = NLA_U8 },
[MT76_TM_ATTR_TX_RATE_STBC] = { .type = NLA_U8 },
+ [MT76_TM_ATTR_TX_LTF] = { .type = NLA_U8 },
[MT76_TM_ATTR_TX_ANTENNA] = { .type = NLA_U8 },
[MT76_TM_ATTR_TX_POWER_CONTROL] = { .type = NLA_U8 },
[MT76_TM_ATTR_TX_POWER] = { .type = NLA_NESTED },
@@ -338,9 +339,10 @@ int mt76_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
0, MT76_TM_TX_MODE_MAX) ||
mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_RATE_NSS], &td->tx_rate_nss,
1, hweight8(phy->antenna_mask)) ||
- mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_RATE_SGI], &td->tx_rate_sgi, 0, 1) ||
+ mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_RATE_SGI], &td->tx_rate_sgi, 0, 2) ||
mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_RATE_LDPC], &td->tx_rate_ldpc, 0, 1) ||
mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_RATE_STBC], &td->tx_rate_stbc, 0, 1) ||
+ mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_LTF], &td->tx_ltf, 0, 2) ||
mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_ANTENNA], &td->tx_antenna_mask, 1,
phy->antenna_mask) ||
mt76_tm_get_u8(tb[MT76_TM_ATTR_TX_POWER_CONTROL],
@@ -478,6 +480,8 @@ int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
nla_put_u8(msg, MT76_TM_ATTR_TX_RATE_SGI, td->tx_rate_sgi) ||
nla_put_u8(msg, MT76_TM_ATTR_TX_RATE_LDPC, td->tx_rate_ldpc) ||
nla_put_u8(msg, MT76_TM_ATTR_TX_RATE_STBC, td->tx_rate_stbc) ||
+ (mt76_testmode_param_present(td, MT76_TM_ATTR_TX_LTF) &&
+ nla_put_u8(msg, MT76_TM_ATTR_TX_LTF, td->tx_ltf)) ||
(mt76_testmode_param_present(td, MT76_TM_ATTR_TX_ANTENNA) &&
nla_put_u8(msg, MT76_TM_ATTR_TX_ANTENNA, td->tx_antenna_mask)) ||
(mt76_testmode_param_present(td, MT76_TM_ATTR_TX_POWER_CONTROL) &&
diff --git a/drivers/net/wireless/mediatek/mt76/testmode.h b/drivers/net/wireless/mediatek/mt76/testmode.h
index 00c1659..3c09aa5 100644
--- a/drivers/net/wireless/mediatek/mt76/testmode.h
+++ b/drivers/net/wireless/mediatek/mt76/testmode.h
@@ -26,6 +26,7 @@
* @MT76_TM_ATTR_TX_RATE_SGI: packet tx use short guard interval (u8)
* @MT76_TM_ATTR_TX_RATE_LDPC: packet tx enable LDPC (u8)
* @MT76_TM_ATTR_TX_RATE_STBC: packet tx enable STBC (u8)
+ * @MT76_TM_ATTR_TX_LTF: packet tx LTF, set 0 to 2 for 1x, 2x, and 4x LTF (u8)
*
* @MT76_TM_ATTR_TX_ANTENNA: tx antenna mask (u8)
* @MT76_TM_ATTR_TX_POWER_CONTROL: enable tx power control (u8)
@@ -52,6 +53,7 @@ enum mt76_testmode_attr {
MT76_TM_ATTR_TX_RATE_SGI,
MT76_TM_ATTR_TX_RATE_LDPC,
MT76_TM_ATTR_TX_RATE_STBC,
+ MT76_TM_ATTR_TX_LTF,

MT76_TM_ATTR_TX_ANTENNA,
MT76_TM_ATTR_TX_POWER_CONTROL,
--
2.17.1