diff options
Diffstat (limited to 'package/kernel/mac80211/patches/brcm/348-v5.1-brcmfmac-support-monitor-frames-with-the-hardware-uc.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/brcm/348-v5.1-brcmfmac-support-monitor-frames-with-the-hardware-uc.patch | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/package/kernel/mac80211/patches/brcm/348-v5.1-brcmfmac-support-monitor-frames-with-the-hardware-uc.patch b/package/kernel/mac80211/patches/brcm/348-v5.1-brcmfmac-support-monitor-frames-with-the-hardware-uc.patch deleted file mode 100644 index c93bcf0ce9..0000000000 --- a/package/kernel/mac80211/patches/brcm/348-v5.1-brcmfmac-support-monitor-frames-with-the-hardware-uc.patch +++ /dev/null @@ -1,143 +0,0 @@ -From e665988be29ccea3584528967b432a5cfd801ca4 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Fri, 8 Feb 2019 07:42:30 +0100 -Subject: [PATCH] brcmfmac: support monitor frames with the hardware/ucode - header -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -So far there were two monitor frame formats: -1) 802.11 frames (with frame (sub)type & all addresses) -2) 802.11 frames with the radiotap header - -Testing the latest FullMAC firmwares for 4366b1/4366c0 resulted in -discovering a new format being used. It seems (almost?) identical to the -one known from ucode used in SoftMAC devices which is most likely the -same codebase anyway. - -While new firmwares will /announce/ radiotap header support using the -"rtap" fw capability string it seems no string was added for the new -ucode header format. - -All above means that: -1) We need new format support when dealing with a received frame -2) A new feature bit & mapping quirks have to be added manually - -As for now only an empty radiotap is being created. Adding support for -extracting some info (band, channel, signal, etc.) is planned for the -future. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - .../broadcom/brcm80211/brcmfmac/core.c | 55 +++++++++++++++++++ - .../broadcom/brcm80211/brcmfmac/feature.c | 4 ++ - .../broadcom/brcm80211/brcmfmac/feature.h | 4 +- - 3 files changed, 62 insertions(+), 1 deletion(-) - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c -@@ -43,6 +43,36 @@ - - #define BRCMF_BSSIDX_INVALID -1 - -+#define RXS_PBPRES BIT(2) -+ -+#define D11_PHY_HDR_LEN 6 -+ -+struct d11rxhdr_le { -+ __le16 RxFrameSize; -+ u16 PAD; -+ __le16 PhyRxStatus_0; -+ __le16 PhyRxStatus_1; -+ __le16 PhyRxStatus_2; -+ __le16 PhyRxStatus_3; -+ __le16 PhyRxStatus_4; -+ __le16 PhyRxStatus_5; -+ __le16 RxStatus1; -+ __le16 RxStatus2; -+ __le16 RxTSFTime; -+ __le16 RxChan; -+ u8 unknown[12]; -+} __packed; -+ -+struct wlc_d11rxhdr { -+ struct d11rxhdr_le rxhdr; -+ __le32 tsf_l; -+ s8 rssi; -+ s8 rxpwr0; -+ s8 rxpwr1; -+ s8 do_rssi_ma; -+ s8 rxpwr[4]; -+} __packed; -+ - char *brcmf_ifname(struct brcmf_if *ifp) - { - if (!ifp) -@@ -409,6 +439,31 @@ void brcmf_netif_mon_rx(struct brcmf_if - { - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MONITOR_FMT_RADIOTAP)) { - /* Do nothing */ -+ } else if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MONITOR_FMT_HW_RX_HDR)) { -+ struct wlc_d11rxhdr *wlc_rxhdr = (struct wlc_d11rxhdr *)skb->data; -+ struct ieee80211_radiotap_header *radiotap; -+ unsigned int offset; -+ u16 RxStatus1; -+ -+ RxStatus1 = le16_to_cpu(wlc_rxhdr->rxhdr.RxStatus1); -+ -+ offset = sizeof(struct wlc_d11rxhdr); -+ /* MAC inserts 2 pad bytes for a4 headers or QoS or A-MSDU -+ * subframes -+ */ -+ if (RxStatus1 & RXS_PBPRES) -+ offset += 2; -+ offset += D11_PHY_HDR_LEN; -+ -+ skb_pull(skb, offset); -+ -+ /* TODO: use RX header to fill some radiotap data */ -+ radiotap = skb_push(skb, sizeof(*radiotap)); -+ memset(radiotap, 0, sizeof(*radiotap)); -+ radiotap->it_len = cpu_to_le16(sizeof(*radiotap)); -+ -+ /* TODO: 4 bytes with receive status? */ -+ skb->len -= 4; - } else { - struct ieee80211_radiotap_header *radiotap; - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c -@@ -103,6 +103,10 @@ static const struct brcmf_feat_fwfeat br - { "01-6cb8e269", BIT(BRCMF_FEAT_MONITOR) }, - /* brcmfmac4366b-pcie.bin from linux-firmware.git commit 52442afee990 */ - { "01-c47a91a4", BIT(BRCMF_FEAT_MONITOR) }, -+ /* brcmfmac4366b-pcie.bin from linux-firmware.git commit 211de1679a68 */ -+ { "01-801fb449", BIT(BRCMF_FEAT_MONITOR_FMT_HW_RX_HDR) }, -+ /* brcmfmac4366c-pcie.bin from linux-firmware.git commit 211de1679a68 */ -+ { "01-d2cbb8fd", BIT(BRCMF_FEAT_MONITOR_FMT_HW_RX_HDR) }, - }; - - static void brcmf_feat_firmware_overrides(struct brcmf_pub *drv) ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.h -@@ -35,6 +35,7 @@ - * FWSUP: Firmware supplicant. - * MONITOR: firmware can pass monitor packets to host. - * MONITOR_FMT_RADIOTAP: firmware provides monitor packets with radiotap header -+ * MONITOR_FMT_HW_RX_HDR: firmware provides monitor packets with hw/ucode header - */ - #define BRCMF_FEAT_LIST \ - BRCMF_FEAT_DEF(MBSS) \ -@@ -52,7 +53,8 @@ - BRCMF_FEAT_DEF(GSCAN) \ - BRCMF_FEAT_DEF(FWSUP) \ - BRCMF_FEAT_DEF(MONITOR) \ -- BRCMF_FEAT_DEF(MONITOR_FMT_RADIOTAP) -+ BRCMF_FEAT_DEF(MONITOR_FMT_RADIOTAP) \ -+ BRCMF_FEAT_DEF(MONITOR_FMT_HW_RX_HDR) - - /* - * Quirks: |