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mt76: testmode: add support to set MAC

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Add support to set SA/DA/BSSID in testmode.
During mass production stage, some test scripts or test equipments need
to set fixed addresses to detect or parse if a test is passed.
Also, MAC setting is necessary for some tx/rx tests with rx filter,
to make sure rx site only receives expected packets.

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Shayne Chen 2021-11-14 22:59:09 +08:00 committed by Felix Fietkau
parent bbc1d4154e
commit c40b42c2b8
3 changed files with 39 additions and 3 deletions
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2
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@ -599,6 +599,8 @@ struct mt76_testmode_data {
u8 tx_power[4];
u8 tx_power_control;
u8 addr[3][ETH_ALEN];
u32 tx_pending;
u32 tx_queued;
u16 tx_queued_limit;

36
drivers/net/wireless/mediatek/mt76/testmode.c
View File

@ -126,9 +126,9 @@ int mt76_testmode_alloc_skb(struct mt76_phy *phy, u32 len)
hdr = __skb_put_zero(head, head_len);
hdr->frame_control = cpu_to_le16(fc);
memcpy(hdr->addr1, phy->macaddr, sizeof(phy->macaddr));
memcpy(hdr->addr2, phy->macaddr, sizeof(phy->macaddr));
memcpy(hdr->addr3, phy->macaddr, sizeof(phy->macaddr));
memcpy(hdr->addr1, td->addr[0], ETH_ALEN);
memcpy(hdr->addr2, td->addr[1], ETH_ALEN);
memcpy(hdr->addr3, td->addr[2], ETH_ALEN);
skb_set_queue_mapping(head, IEEE80211_AC_BE);
info = IEEE80211_SKB_CB(head);
@ -318,6 +318,10 @@ mt76_testmode_init_defaults(struct mt76_phy *phy)
td->tx_count = 1;
td->tx_rate_mode = MT76_TM_TX_MODE_OFDM;
td->tx_rate_nss = 1;
memcpy(td->addr[0], phy->macaddr, ETH_ALEN);
memcpy(td->addr[1], phy->macaddr, ETH_ALEN);
memcpy(td->addr[2], phy->macaddr, ETH_ALEN);
}
static int
@ -493,6 +497,20 @@ int mt76_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
}
}
if (tb[MT76_TM_ATTR_MAC_ADDRS]) {
struct nlattr *cur;
int idx = 0;
int rem;
nla_for_each_nested(cur, tb[MT76_TM_ATTR_MAC_ADDRS], rem) {
if (nla_len(cur) != ETH_ALEN || idx >= 3)
goto out;
memcpy(td->addr[idx], nla_data(cur), ETH_ALEN);
idx++;
}
}
if (dev->test_ops->set_params) {
err = dev->test_ops->set_params(phy, tb, state);
if (err)
@ -635,6 +653,18 @@ int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
nla_nest_end(msg, a);
}
if (mt76_testmode_param_present(td, MT76_TM_ATTR_MAC_ADDRS)) {
a = nla_nest_start(msg, MT76_TM_ATTR_MAC_ADDRS);
if (!a)
goto out;
for (i = 0; i < 3; i++)
if (nla_put(msg, i, ETH_ALEN, td->addr[i]))
goto out;
nla_nest_end(msg, a);
}
err = 0;
out:

4
drivers/net/wireless/mediatek/mt76/testmode.h
View File

@ -45,6 +45,8 @@
* @MT76_TM_ATTR_TX_TIME: packet transmission time, in unit of us (u32)
*
* @MT76_TM_ATTR_DRV_DATA: driver specific netlink attrs (nested)
*
* @MT76_TM_ATTR_MAC_ADDRS: array of nested MAC addresses (nested)
*/
enum mt76_testmode_attr {
MT76_TM_ATTR_UNSPEC,
@ -81,6 +83,8 @@ enum mt76_testmode_attr {
MT76_TM_ATTR_DRV_DATA,
MT76_TM_ATTR_MAC_ADDRS,
/* keep last */
NUM_MT76_TM_ATTRS,
MT76_TM_ATTR_MAX = NUM_MT76_TM_ATTRS - 1,