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mt76: add headroom and tailroom to mt76_mcu_ops data structure

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Introduce headroom and tailroom to mt76_mcu_ops data structure in order
to unify the routine used for mcu message allocation. This is a
preliminary patch to add mt7663u support

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-04-02 20:18:48 +02:00 committed by Felix Fietkau
parent 34cdf1a618
commit bb31a80eb2
9 changed files with 51 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/wireless/mediatek/mt76/mcu.c
View File

@ -6,10 +6,11 @@
#include "mt76.h"
struct sk_buff *
mt76_mcu_msg_alloc(const void *data, int head_len,
int data_len, int tail_len)
mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
int data_len)
{
int length = head_len + data_len + tail_len;
const struct mt76_mcu_ops *ops = dev->mcu_ops;
int length = ops->headroom + data_len + ops->tailroom;
struct sk_buff *skb;
skb = alloc_skb(length, GFP_KERNEL);
@ -17,7 +18,7 @@ mt76_mcu_msg_alloc(const void *data, int head_len,
return NULL;
memset(skb->head, 0, length);
skb_reserve(skb, head_len);
skb_reserve(skb, ops->headroom);
if (data && data_len)
skb_put_data(skb, data, data_len);

7
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@ -137,6 +137,9 @@ struct mt76_sw_queue {
};
struct mt76_mcu_ops {
u32 headroom;
u32 tailroom;
int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
int len, bool wait_resp);
int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
@ -914,8 +917,8 @@ int mt76u_resume_rx(struct mt76_dev *dev);
void mt76u_queues_deinit(struct mt76_dev *dev);
struct sk_buff *
mt76_mcu_msg_alloc(const void *data, int head_len,
int data_len, int tail_len);
mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
int data_len);
void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb);
struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
unsigned long expires);

3
drivers/net/wireless/mediatek/mt76/mt7603/mcu.c
View File

@ -62,7 +62,7 @@ mt7603_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
struct sk_buff *skb;
int ret, seq;
skb = mt7603_mcu_msg_alloc(data, len);
skb = mt76_mcu_msg_alloc(mdev, data, len);
if (!skb)
return -ENOMEM;
@ -265,6 +265,7 @@ out:
int mt7603_mcu_init(struct mt7603_dev *dev)
{
static const struct mt76_mcu_ops mt7603_mcu_ops = {
.headroom = sizeof(struct mt7603_mcu_txd),
.mcu_send_msg = mt7603_mcu_msg_send,
.mcu_restart = mt7603_mcu_restart,
};

7
drivers/net/wireless/mediatek/mt76/mt7603/mcu.h
View File

@ -100,11 +100,4 @@ enum {
MCU_EXT_EVENT_BCN_UPDATE = 0x31,
};
static inline struct sk_buff *
mt7603_mcu_msg_alloc(const void *data, int len)
{
return mt76_mcu_msg_alloc(data, sizeof(struct mt7603_mcu_txd),
len, 0);
}
#endif

63
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View File

@ -244,7 +244,7 @@ mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
{
struct sk_buff *skb;
skb = mt7615_mcu_msg_alloc(data, len);
skb = mt76_mcu_msg_alloc(mdev, data, len);
if (!skb)
return -ENOMEM;
@ -552,7 +552,8 @@ mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int band, int state)
}
static struct sk_buff *
mt7615_mcu_alloc_sta_req(struct mt7615_vif *mvif, struct mt7615_sta *msta)
mt7615_mcu_alloc_sta_req(struct mt7615_dev *dev, struct mt7615_vif *mvif,
struct mt7615_sta *msta)
{
struct sta_req_hdr hdr = {
.bss_idx = mvif->idx,
@ -562,7 +563,7 @@ mt7615_mcu_alloc_sta_req(struct mt7615_vif *mvif, struct mt7615_sta *msta)
};
struct sk_buff *skb;
skb = mt7615_mcu_msg_alloc(NULL, MT7615_STA_UPDATE_MAX_SIZE);
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, MT7615_STA_UPDATE_MAX_SIZE);
if (!skb)
return ERR_PTR(-ENOMEM);
@ -572,8 +573,8 @@ mt7615_mcu_alloc_sta_req(struct mt7615_vif *mvif, struct mt7615_sta *msta)
}
static struct wtbl_req_hdr *
mt7615_mcu_alloc_wtbl_req(struct mt7615_sta *msta, int cmd,
void *sta_wtbl, struct sk_buff **skb)
mt7615_mcu_alloc_wtbl_req(struct mt7615_dev *dev, struct mt7615_sta *msta,
int cmd, void *sta_wtbl, struct sk_buff **skb)
{
struct tlv *sta_hdr = sta_wtbl;
struct wtbl_req_hdr hdr = {
@ -583,7 +584,8 @@ mt7615_mcu_alloc_wtbl_req(struct mt7615_sta *msta, int cmd,
struct sk_buff *nskb = *skb;
if (!nskb) {
nskb = mt7615_mcu_msg_alloc(NULL, MT7615_WTBL_UPDATE_BA_SIZE);
nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
MT7615_WTBL_UPDATE_BA_SIZE);
if (!nskb)
return ERR_PTR(-ENOMEM);
@ -974,7 +976,7 @@ mt7615_mcu_add_bss(struct mt7615_phy *phy, struct ieee80211_vif *vif,
struct mt7615_dev *dev = phy->dev;
struct sk_buff *skb;
skb = mt7615_mcu_alloc_sta_req(mvif, NULL);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, NULL);
if (IS_ERR(skb))
return PTR_ERR(skb);
@ -1001,7 +1003,7 @@ mt7615_mcu_wtbl_tx_ba(struct mt7615_dev *dev,
struct sk_buff *skb = NULL;
int err;
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, NULL, &skb);
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@ -1012,7 +1014,7 @@ mt7615_mcu_wtbl_tx_ba(struct mt7615_dev *dev,
if (err < 0)
return err;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@ -1033,7 +1035,7 @@ mt7615_mcu_wtbl_rx_ba(struct mt7615_dev *dev,
struct sk_buff *skb;
int err;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@ -1045,7 +1047,7 @@ mt7615_mcu_wtbl_rx_ba(struct mt7615_dev *dev,
return err;
skb = NULL;
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, NULL, &skb);
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@ -1067,7 +1069,7 @@ mt7615_mcu_wtbl_sta_add(struct mt7615_dev *dev, struct ieee80211_vif *vif,
msta = sta ? (struct mt7615_sta *)sta->drv_priv : &mvif->sta;
sskb = mt7615_mcu_alloc_sta_req(mvif, msta);
sskb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(sskb))
return PTR_ERR(sskb);
@ -1075,8 +1077,8 @@ mt7615_mcu_wtbl_sta_add(struct mt7615_dev *dev, struct ieee80211_vif *vif,
if (enable && sta)
mt7615_mcu_sta_ht_tlv(sskb, sta);
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_RESET_AND_SET, NULL,
&wskb);
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
NULL, &wskb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@ -1120,7 +1122,7 @@ mt7615_mcu_sta_ba(struct mt7615_dev *dev,
struct tlv *sta_wtbl;
struct sk_buff *skb;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@ -1128,7 +1130,8 @@ mt7615_mcu_sta_ba(struct mt7615_dev *dev,
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, sta_wtbl, &skb);
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
&skb);
mt7615_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr);
return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
@ -1163,7 +1166,7 @@ mt7615_mcu_add_sta_cmd(struct mt7615_dev *dev, struct ieee80211_vif *vif,
msta = sta ? (struct mt7615_sta *)sta->drv_priv : &mvif->sta;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@ -1173,7 +1176,7 @@ mt7615_mcu_add_sta_cmd(struct mt7615_dev *dev, struct ieee80211_vif *vif,
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_RESET_AND_SET,
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
sta_wtbl, &skb);
if (enable) {
mt7615_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
@ -1499,13 +1502,14 @@ mt7615_mcu_uni_tx_ba(struct mt7615_dev *dev,
struct sk_buff *skb;
int err;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, sta_wtbl, &skb);
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
&skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@ -1517,7 +1521,7 @@ mt7615_mcu_uni_tx_ba(struct mt7615_dev *dev,
if (err < 0)
return err;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@ -1539,7 +1543,7 @@ mt7615_mcu_uni_rx_ba(struct mt7615_dev *dev,
struct sk_buff *skb;
int err;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@ -1550,13 +1554,14 @@ mt7615_mcu_uni_rx_ba(struct mt7615_dev *dev,
if (err < 0 || !enable)
return err;
skb = mt7615_mcu_alloc_sta_req(mvif, msta);
skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, sta_wtbl, &skb);
wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
&skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@ -2114,6 +2119,7 @@ static int mt7663_load_firmware(struct mt7615_dev *dev)
int mt7615_mcu_init(struct mt7615_dev *dev)
{
static const struct mt76_mcu_ops mt7615_mcu_ops = {
.headroom = sizeof(struct mt7615_mcu_txd),
.mcu_skb_send_msg = mt7615_mcu_send_message,
.mcu_send_msg = mt7615_mcu_msg_send,
.mcu_restart = mt7615_mcu_restart,
@ -2186,7 +2192,7 @@ int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
req_hdr.len = cpu_to_le16(eep_len);
skb = mt7615_mcu_msg_alloc(NULL, sizeof(req_hdr) + eep_len);
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr) + eep_len);
if (!skb)
return -ENOMEM;
@ -2601,7 +2607,7 @@ int mt7615_mcu_set_channel_domain(struct mt7615_phy *phy)
if (!mt7615_firmware_offload(dev))
return 0;
skb = mt7615_mcu_msg_alloc(NULL, len);
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
if (!skb)
return -ENOMEM;
@ -2646,7 +2652,7 @@ int mt7615_mcu_hw_scan(struct mt7615_phy *phy, struct ieee80211_vif *vif,
if (!mt7615_firmware_offload(dev))
return 1;
skb = mt7615_mcu_msg_alloc(NULL, sizeof(*req));
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(*req));
if (!skb)
return -ENOMEM;
@ -2746,7 +2752,8 @@ int mt7615_mcu_sched_scan_req(struct mt7615_phy *phy,
if (!mt7615_firmware_offload(dev))
return -ENOTSUPP;
skb = mt7615_mcu_msg_alloc(NULL, sizeof(*req) + sreq->ie_len);
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
sizeof(*req) + sreq->ie_len);
if (!skb)
return -ENOMEM;

7
drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
View File

@ -845,11 +845,4 @@ enum {
CH_SWITCH_SCAN_BYPASS_DPD = 9
};
static inline struct sk_buff *
mt7615_mcu_msg_alloc(const void *data, int len)
{
return mt76_mcu_msg_alloc(data, sizeof(struct mt7615_mcu_txd),
len, 0);
}
#endif

2
drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
View File

@ -23,7 +23,7 @@ int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
if (mt76_is_mmio(&dev->mt76) && dev->mcu_timeout)
return -EIO;
skb = mt76x02_mcu_msg_alloc(data, len);
skb = mt76_mcu_msg_alloc(mdev, data, len);
if (!skb)
return -ENOMEM;

6
drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
View File

@ -85,12 +85,6 @@ struct mt76x02_patch_header {
u8 pad[2];
};
static inline struct sk_buff *
mt76x02_mcu_msg_alloc(const void *data, int len)
{
return mt76_mcu_msg_alloc(data, 0, len, 0);
}
int mt76x02_mcu_cleanup(struct mt76x02_dev *dev);
int mt76x02_mcu_calibrate(struct mt76x02_dev *dev, int type, u32 param);
int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,

4
drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
View File

@ -123,7 +123,7 @@ mt76x02u_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data,
struct sk_buff *skb;
int err;
skb = mt76_mcu_msg_alloc(data, MT_CMD_HDR_LEN, len, 8);
skb = mt76_mcu_msg_alloc(dev, data, len);
if (!skb)
return -ENOMEM;
@ -291,6 +291,8 @@ EXPORT_SYMBOL_GPL(mt76x02u_mcu_fw_send_data);
void mt76x02u_init_mcu(struct mt76_dev *dev)
{
static const struct mt76_mcu_ops mt76x02u_mcu_ops = {
.headroom = MT_CMD_HDR_LEN,
.tailroom = 8,
.mcu_send_msg = mt76x02u_mcu_send_msg,
.mcu_wr_rp = mt76x02u_mcu_wr_rp,
.mcu_rd_rp = mt76x02u_mcu_rd_rp,