--- ./3rdparty/rtl8821ce/include/wifi.h.orig 2019-10-09 02:43:57.513444004 +0300 +++ ./3rdparty/rtl8821ce/include/wifi.h 2019-10-09 17:59:24.568277646 +0300 @@ -1027,8 +1027,9 @@ typedef enum _HT_CAP_AMPDU_DENSITY { * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) */ #define IEEE80211_MIN_AMPDU_BUF 0x8 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0)) #define IEEE80211_MAX_AMPDU_BUF 0x40 - +#endif /* Spatial Multiplexing Power Save Modes */ #define WLAN_HT_CAP_SM_PS_STATIC 0