From: Yan-Hsuan Chuang <[email protected]> Some of the c2h operations are small and can be done under interrupt context. For the rest that requires more operations or can go sleep, enqueue onto c2h queue.
Signed-off-by: Yan-Hsuan Chuang <[email protected]> --- v1 -> v2 rebase onto the latest wireless-drivers-next fixed conflicts in pci.c drivers/net/wireless/realtek/rtw88/fw.c | 27 ++++++++++++++++++++++++--- drivers/net/wireless/realtek/rtw88/fw.h | 2 ++ drivers/net/wireless/realtek/rtw88/pci.c | 6 ++---- 3 files changed, 28 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 62847797..3c4dcb7 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -36,9 +36,6 @@ void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); len = skb->len - pkt_offset - 2; - rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", - c2h->id, c2h->seq, len); - switch (c2h->id) { case C2H_HALMAC: rtw_fw_c2h_cmd_handle_ext(rtwdev, skb); @@ -48,6 +45,30 @@ void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb) } } +void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, + struct sk_buff *skb) +{ + struct rtw_c2h_cmd *c2h; + u8 len; + + c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset); + len = skb->len - pkt_offset - 2; + *((u32 *)skb->cb) = pkt_offset; + + rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n", + c2h->id, c2h->seq, len); + + switch (c2h->id) { + default: + /* pass offset for further operation */ + *((u32 *)skb->cb) = pkt_offset; + skb_queue_tail(&rtwdev->c2h_queue, skb); + ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); + break; + } +} +EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe); + static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, u8 *h2c) { diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h index 7034663..67f6cf7 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.h +++ b/drivers/net/wireless/realtek/rtw88/fw.h @@ -200,6 +200,8 @@ static inline struct rtw_c2h_cmd *get_c2h_from_skb(struct sk_buff *skb) return (struct rtw_c2h_cmd *)(skb->data + pkt_offset); } +void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset, + struct sk_buff *skb); void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb); void rtw_fw_send_general_info(struct rtw_dev *rtwdev); void rtw_fw_send_phydm_info(struct rtw_dev *rtwdev); diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c index 23dd06a..4776195 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -8,6 +8,7 @@ #include "pci.h" #include "tx.h" #include "rx.h" +#include "fw.h" #include "debug.h" static u32 rtw_pci_tx_queue_idx_addr[] = { @@ -822,10 +823,7 @@ static void rtw_pci_rx_isr(struct rtw_dev *rtwdev, struct rtw_pci *rtwpci, skb_put_data(new, skb->data, new_len); if (pkt_stat.is_c2h) { - /* pass rx_desc & offset for further operation */ - *((u32 *)new->cb) = pkt_offset; - skb_queue_tail(&rtwdev->c2h_queue, new); - ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work); + rtw_fw_c2h_cmd_rx_irqsafe(rtwdev, pkt_offset, new); } else { /* remove rx_desc */ skb_pull(new, pkt_offset); -- 2.7.4
