diff options
Diffstat (limited to 'package/kernel/mac80211/patches')
| -rw-r--r-- | package/kernel/mac80211/patches/ath10k/100-ath10k-support-bus-and-device-specific-API-1-BDF-sel.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath10k/100-ath10k-support-bus-and-device-specific-API-1-BDF-sel.patch b/package/kernel/mac80211/patches/ath10k/100-ath10k-support-bus-and-device-specific-API-1-BDF-sel.patch new file mode 100644 index 0000000000..74d5b374fb --- /dev/null +++ b/package/kernel/mac80211/patches/ath10k/100-ath10k-support-bus-and-device-specific-API-1-BDF-sel.patch @@ -0,0 +1,65 @@ +From f2a7064a78b22f2b68b9fcbc8a6f4c5e61c5ba64 Mon Sep 17 00:00:00 2001 +From: Robert Marko <robimarko@gmail.com> +Date: Sun, 10 Oct 2021 00:17:11 +0200 +Subject: [PATCH] ath10k: support bus and device specific API 1 BDF selection + +Some ath10k IPQ40xx devices like the MikroTik hAP ac2 and ac3 require the +BDF-s to be extracted from the device storage instead of shipping packaged +API 2 BDF-s. + +This is required as MikroTik has started shipping boards that require BDF-s +to be updated, as otherwise their WLAN performance really suffers. +This is however impossible as the devices that require this are release +under the same revision and its not possible to differentiate them from +devices using the older BDF-s. + +In OpenWrt we are extracting the calibration data during runtime and we are +able to extract the BDF-s in the same manner, however we cannot package the +BDF-s to API 2 format on the fly and can only use API 1 to provide BDF-s on +the fly. +This is an issue as the ath10k driver explicitly looks only for the +board.bin file and not for something like board-bus-device.bin like it does +for pre-cal data. +Due to this we have no way of providing correct BDF-s on the fly, so lets +extend the ath10k driver to first look for BDF-s in the +board-bus-device.bin format, for example: board-ahb-a800000.wifi.bin +If that fails, look for the default board file name as defined previously. + +Signed-off-by: Robert Marko <robimarko@gmail.com> +Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> +Link: https://lore.kernel.org/r/20211009221711.2315352-1-robimarko@gmail.com +--- + drivers/net/wireless/ath/ath10k/core.c | 13 ++++++++++++- + 1 file changed, 12 insertions(+), 1 deletion(-) + +--- a/drivers/net/wireless/ath/ath10k/core.c ++++ b/drivers/net/wireless/ath/ath10k/core.c +@@ -1199,6 +1199,7 @@ success: + static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar, int bd_ie_type) + { + const struct firmware *fw; ++ char boardname[100]; + + if (bd_ie_type == ATH10K_BD_IE_BOARD) { + if (!ar->hw_params.fw.board) { +@@ -1206,9 +1207,19 @@ static int ath10k_core_fetch_board_data_ + return -EINVAL; + } + ++ scnprintf(boardname, sizeof(boardname), "board-%s-%s.bin", ++ ath10k_bus_str(ar->hif.bus), dev_name(ar->dev)); ++ + ar->normal_mode_fw.board = ath10k_fetch_fw_file(ar, + ar->hw_params.fw.dir, +- ar->hw_params.fw.board); ++ boardname); ++ if (IS_ERR(ar->normal_mode_fw.board)) { ++ fw = ath10k_fetch_fw_file(ar, ++ ar->hw_params.fw.dir, ++ ar->hw_params.fw.board); ++ ar->normal_mode_fw.board = fw; ++ } ++ + if (IS_ERR(ar->normal_mode_fw.board)) + return PTR_ERR(ar->normal_mode_fw.board); + |