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	mac80211: brcmfmac: firmware halt and scan cleanup
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
		
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				@ -0,0 +1,60 @@
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From 2fd3877b5bb7d39782c3205a1dcda02023b8514a Mon Sep 17 00:00:00 2001
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From: Arend Van Spriel <arend.vanspriel@broadcom.com>
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Date: Wed, 8 Nov 2017 14:36:31 +0100
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Subject: [PATCH] brcmfmac: handle FWHALT mailbox indication
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The firmware uses a mailbox to communicate to the host what is going
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on. In the driver we validate the bit received. Various people seen
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the following message:
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 brcmfmac: brcmf_sdio_hostmail: Unknown mailbox data content: 0x40012
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Bit 4 is cause of this message, but this actually indicates the firmware
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has halted. Handle this bit by giving a more meaningful error message.
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Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
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Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
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Reviewed-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 14 ++++++++++----
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 1 file changed, 10 insertions(+), 4 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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@@ -260,10 +260,11 @@ struct rte_console {
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 #define I_HMB_HOST_INT	I_HMB_SW3	/* Miscellaneous Interrupt */
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 /* tohostmailboxdata */
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-#define HMB_DATA_NAKHANDLED	1	/* retransmit NAK'd frame */
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-#define HMB_DATA_DEVREADY	2	/* talk to host after enable */
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-#define HMB_DATA_FC		4	/* per prio flowcontrol update flag */
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-#define HMB_DATA_FWREADY	8	/* fw ready for protocol activity */
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+#define HMB_DATA_NAKHANDLED	0x0001	/* retransmit NAK'd frame */
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+#define HMB_DATA_DEVREADY	0x0002	/* talk to host after enable */
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+#define HMB_DATA_FC		0x0004	/* per prio flowcontrol update flag */
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+#define HMB_DATA_FWREADY	0x0008	/* fw ready for protocol activity */
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+#define HMB_DATA_FWHALT		0x0010	/* firmware halted */
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 #define HMB_DATA_FCDATA_MASK	0xff000000
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 #define HMB_DATA_FCDATA_SHIFT	24
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@@ -1094,6 +1095,10 @@ static u32 brcmf_sdio_hostmail(struct br
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 			  offsetof(struct sdpcmd_regs, tosbmailbox));
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 	bus->sdcnt.f1regdata += 2;
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+	/* dongle indicates the firmware has halted/crashed */
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+	if (hmb_data & HMB_DATA_FWHALT)
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+		brcmf_err("mailbox indicates firmware halted\n");
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+
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 	/* Dongle recomposed rx frames, accept them again */
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 	if (hmb_data & HMB_DATA_NAKHANDLED) {
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 		brcmf_dbg(SDIO, "Dongle reports NAK handled, expect rtx of %d\n",
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@@ -1151,6 +1156,7 @@ static u32 brcmf_sdio_hostmail(struct br
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 			 HMB_DATA_NAKHANDLED |
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 			 HMB_DATA_FC |
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 			 HMB_DATA_FWREADY |
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+			 HMB_DATA_FWHALT |
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 			 HMB_DATA_FCDATA_MASK | HMB_DATA_VERSION_MASK))
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 		brcmf_err("Unknown mailbox data content: 0x%02x\n",
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 			  hmb_data);
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@ -0,0 +1,133 @@
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From 6c219b0088158da839a5be63c5b3d96c145501d2 Mon Sep 17 00:00:00 2001
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From: Franky Lin <franky.lin@broadcom.com>
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Date: Wed, 8 Nov 2017 14:36:32 +0100
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Subject: [PATCH] brcmfmac: disable packet filtering in promiscuous mode
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Disable arp and nd offload to allow all packets sending to host.
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Reported-by: Phil Elwell <phil@raspberrypi.org>
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Tested-by: Phil Elwell <phil@raspberrypi.org>
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Reviewed-by: Arend Van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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 .../broadcom/brcm80211/brcmfmac/cfg80211.c         | 41 ----------------------
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 .../wireless/broadcom/brcm80211/brcmfmac/core.c    | 38 ++++++++++++++++++++
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 .../wireless/broadcom/brcm80211/brcmfmac/core.h    |  1 +
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 3 files changed, 39 insertions(+), 41 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -472,47 +472,6 @@ send_key_to_dongle(struct brcmf_if *ifp,
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 	return err;
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 }
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-static s32
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-brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
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-{
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-	s32 err;
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-	u32 mode;
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-
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-	if (enable)
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-		mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
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-	else
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-		mode = 0;
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-
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-	/* Try to set and enable ARP offload feature, this may fail, then it  */
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-	/* is simply not supported and err 0 will be returned                 */
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-	err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
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-	if (err) {
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-		brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
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-			  mode, err);
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-		err = 0;
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-	} else {
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-		err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
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-		if (err) {
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-			brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
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-				  enable, err);
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-			err = 0;
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-		} else
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-			brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
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-				  enable, mode);
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-	}
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-
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-	err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
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-	if (err) {
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-		brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
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-			  enable, err);
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-		err = 0;
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-	} else
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-		brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
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-			  enable, mode);
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-
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-	return err;
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-}
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-
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 static void
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 brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev)
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 {
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
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@@ -71,6 +71,43 @@ struct brcmf_if *brcmf_get_ifp(struct br
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 	return ifp;
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 }
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+void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable)
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+{
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+	s32 err;
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+	u32 mode;
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+
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+	if (enable)
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+		mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
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+	else
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+		mode = 0;
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+
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+	/* Try to set and enable ARP offload feature, this may fail, then it  */
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+	/* is simply not supported and err 0 will be returned                 */
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+	err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
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+	if (err) {
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+		brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
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+			  mode, err);
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+	} else {
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+		err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
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+		if (err) {
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+			brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
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+				  enable, err);
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+		} else {
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+			brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
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+				  enable, mode);
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+		}
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+	}
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+
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+	err = brcmf_fil_iovar_int_set(ifp, "ndoe", enable);
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+	if (err) {
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+		brcmf_dbg(TRACE, "failed to configure (%d) ND offload err = %d\n",
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+			  enable, err);
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+	} else {
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+		brcmf_dbg(TRACE, "successfully configured (%d) ND offload to 0x%x\n",
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+			  enable, mode);
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+	}
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+}
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+
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 static void _brcmf_set_multicast_list(struct work_struct *work)
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 {
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 	struct brcmf_if *ifp;
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@@ -134,6 +171,7 @@ static void _brcmf_set_multicast_list(st
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 	if (err < 0)
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 		brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n",
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 			  err);
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+	brcmf_configure_arp_nd_offload(ifp, !cmd_value);
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 }
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 #if IS_ENABLED(CONFIG_IPV6)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
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@@ -203,6 +203,7 @@ int brcmf_netdev_wait_pend8021x(struct b
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 /* Return pointer to interface name */
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 char *brcmf_ifname(struct brcmf_if *ifp);
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 struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx);
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+void brcmf_configure_arp_nd_offload(struct brcmf_if *ifp, bool enable);
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 int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked);
 | 
			
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 struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx,
 | 
			
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 			      bool is_p2pdev, const char *name, u8 *mac_addr);
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@ -0,0 +1,131 @@
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From 8c6efda22f5f9f73fc948f517424466be01ae84d Mon Sep 17 00:00:00 2001
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From: Arend Van Spriel <arend.vanspriel@broadcom.com>
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Date: Wed, 8 Nov 2017 14:36:33 +0100
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Subject: [PATCH] brcmfmac: cleanup brcmf_cfg80211_escan() function
 | 
			
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The function brcmf_cfg80211_escan() was always called with a non-null
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request parameter and null pointer for this_ssid parameter. Clean up
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the function removing the dead code path.
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Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
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Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
 | 
			
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Reviewed-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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 .../broadcom/brcm80211/brcmfmac/cfg80211.c         | 76 ++++------------------
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 1 file changed, 11 insertions(+), 65 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
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@@ -1072,18 +1072,10 @@ brcmf_do_escan(struct brcmf_if *ifp, str
 | 
			
		||||
 
 | 
			
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 static s32
 | 
			
		||||
 brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
 | 
			
		||||
-		     struct cfg80211_scan_request *request,
 | 
			
		||||
-		     struct cfg80211_ssid *this_ssid)
 | 
			
		||||
+		     struct cfg80211_scan_request *request)
 | 
			
		||||
 {
 | 
			
		||||
-	struct brcmf_if *ifp = vif->ifp;
 | 
			
		||||
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
 | 
			
		||||
-	struct cfg80211_ssid *ssids;
 | 
			
		||||
-	u32 passive_scan;
 | 
			
		||||
-	bool escan_req;
 | 
			
		||||
-	bool spec_scan;
 | 
			
		||||
 	s32 err;
 | 
			
		||||
-	struct brcmf_ssid_le ssid_le;
 | 
			
		||||
-	u32 SSID_len;
 | 
			
		||||
 
 | 
			
		||||
 	brcmf_dbg(SCAN, "START ESCAN\n");
 | 
			
		||||
 
 | 
			
		||||
@@ -1101,8 +1093,8 @@ brcmf_cfg80211_escan(struct wiphy *wiphy
 | 
			
		||||
 			  cfg->scan_status);
 | 
			
		||||
 		return -EAGAIN;
 | 
			
		||||
 	}
 | 
			
		||||
-	if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
 | 
			
		||||
-		brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state);
 | 
			
		||||
+	if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state)) {
 | 
			
		||||
+		brcmf_err("Connecting: status (%lu)\n", vif->sme_state);
 | 
			
		||||
 		return -EAGAIN;
 | 
			
		||||
 	}
 | 
			
		||||
 
 | 
			
		||||
@@ -1110,63 +1102,17 @@ brcmf_cfg80211_escan(struct wiphy *wiphy
 | 
			
		||||
 	if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
 | 
			
		||||
 		vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
 | 
			
		||||
 
 | 
			
		||||
-	escan_req = false;
 | 
			
		||||
-	if (request) {
 | 
			
		||||
-		/* scan bss */
 | 
			
		||||
-		ssids = request->ssids;
 | 
			
		||||
-		escan_req = true;
 | 
			
		||||
-	} else {
 | 
			
		||||
-		/* scan in ibss */
 | 
			
		||||
-		/* we don't do escan in ibss */
 | 
			
		||||
-		ssids = this_ssid;
 | 
			
		||||
-	}
 | 
			
		||||
-
 | 
			
		||||
 	cfg->scan_request = request;
 | 
			
		||||
 	set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 | 
			
		||||
-	if (escan_req) {
 | 
			
		||||
-		cfg->escan_info.run = brcmf_run_escan;
 | 
			
		||||
-		err = brcmf_p2p_scan_prep(wiphy, request, vif);
 | 
			
		||||
-		if (err)
 | 
			
		||||
-			goto scan_out;
 | 
			
		||||
-
 | 
			
		||||
-		err = brcmf_do_escan(vif->ifp, request);
 | 
			
		||||
-		if (err)
 | 
			
		||||
-			goto scan_out;
 | 
			
		||||
-	} else {
 | 
			
		||||
-		brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n",
 | 
			
		||||
-			  ssids->ssid, ssids->ssid_len);
 | 
			
		||||
-		memset(&ssid_le, 0, sizeof(ssid_le));
 | 
			
		||||
-		SSID_len = min_t(u8, sizeof(ssid_le.SSID), ssids->ssid_len);
 | 
			
		||||
-		ssid_le.SSID_len = cpu_to_le32(0);
 | 
			
		||||
-		spec_scan = false;
 | 
			
		||||
-		if (SSID_len) {
 | 
			
		||||
-			memcpy(ssid_le.SSID, ssids->ssid, SSID_len);
 | 
			
		||||
-			ssid_le.SSID_len = cpu_to_le32(SSID_len);
 | 
			
		||||
-			spec_scan = true;
 | 
			
		||||
-		} else
 | 
			
		||||
-			brcmf_dbg(SCAN, "Broadcast scan\n");
 | 
			
		||||
 
 | 
			
		||||
-		passive_scan = cfg->active_scan ? 0 : 1;
 | 
			
		||||
-		err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
 | 
			
		||||
-					    passive_scan);
 | 
			
		||||
-		if (err) {
 | 
			
		||||
-			brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
 | 
			
		||||
-			goto scan_out;
 | 
			
		||||
-		}
 | 
			
		||||
-		brcmf_scan_config_mpc(ifp, 0);
 | 
			
		||||
-		err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, &ssid_le,
 | 
			
		||||
-					     sizeof(ssid_le));
 | 
			
		||||
-		if (err) {
 | 
			
		||||
-			if (err == -EBUSY)
 | 
			
		||||
-				brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n",
 | 
			
		||||
-					  ssid_le.SSID);
 | 
			
		||||
-			else
 | 
			
		||||
-				brcmf_err("WLC_SCAN error (%d)\n", err);
 | 
			
		||||
+	cfg->escan_info.run = brcmf_run_escan;
 | 
			
		||||
+	err = brcmf_p2p_scan_prep(wiphy, request, vif);
 | 
			
		||||
+	if (err)
 | 
			
		||||
+		goto scan_out;
 | 
			
		||||
 
 | 
			
		||||
-			brcmf_scan_config_mpc(ifp, 1);
 | 
			
		||||
-			goto scan_out;
 | 
			
		||||
-		}
 | 
			
		||||
-	}
 | 
			
		||||
+	err = brcmf_do_escan(vif->ifp, request);
 | 
			
		||||
+	if (err)
 | 
			
		||||
+		goto scan_out;
 | 
			
		||||
 
 | 
			
		||||
 	/* Arm scan timeout timer */
 | 
			
		||||
 	mod_timer(&cfg->escan_timeout, jiffies +
 | 
			
		||||
@@ -1191,7 +1137,7 @@ brcmf_cfg80211_scan(struct wiphy *wiphy,
 | 
			
		||||
 	if (!check_vif_up(vif))
 | 
			
		||||
 		return -EIO;
 | 
			
		||||
 
 | 
			
		||||
-	err = brcmf_cfg80211_escan(wiphy, vif, request, NULL);
 | 
			
		||||
+	err = brcmf_cfg80211_escan(wiphy, vif, request);
 | 
			
		||||
 
 | 
			
		||||
 	if (err)
 | 
			
		||||
 		brcmf_err("scan error (%d)\n", err);
 | 
			
		||||
@ -0,0 +1,31 @@
 | 
			
		||||
From df2d8388bc96c0f29d27d121f2a4cd054f8b3900 Mon Sep 17 00:00:00 2001
 | 
			
		||||
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Date: Wed, 8 Nov 2017 14:36:34 +0100
 | 
			
		||||
Subject: [PATCH] brcmfmac: use msecs_to_jiffies() instead of calculation using
 | 
			
		||||
 HZ
 | 
			
		||||
 | 
			
		||||
Minor cleanup using provided macro to convert milliseconds interval
 | 
			
		||||
to jiffies in brcmf_cfg80211_escan().
 | 
			
		||||
 | 
			
		||||
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
 | 
			
		||||
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
 | 
			
		||||
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
 | 
			
		||||
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
 | 
			
		||||
---
 | 
			
		||||
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 4 ++--
 | 
			
		||||
 1 file changed, 2 insertions(+), 2 deletions(-)
 | 
			
		||||
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
@@ -1115,8 +1115,8 @@ brcmf_cfg80211_escan(struct wiphy *wiphy
 | 
			
		||||
 		goto scan_out;
 | 
			
		||||
 
 | 
			
		||||
 	/* Arm scan timeout timer */
 | 
			
		||||
-	mod_timer(&cfg->escan_timeout, jiffies +
 | 
			
		||||
-			BRCMF_ESCAN_TIMER_INTERVAL_MS * HZ / 1000);
 | 
			
		||||
+	mod_timer(&cfg->escan_timeout,
 | 
			
		||||
+		  jiffies + msecs_to_jiffies(BRCMF_ESCAN_TIMER_INTERVAL_MS));
 | 
			
		||||
 
 | 
			
		||||
 	return 0;
 | 
			
		||||
 
 | 
			
		||||
@ -0,0 +1,83 @@
 | 
			
		||||
From 588378f15cff285ac81c929239ccba01d7f71d50 Mon Sep 17 00:00:00 2001
 | 
			
		||||
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Date: Wed, 8 Nov 2017 14:36:35 +0100
 | 
			
		||||
Subject: [PATCH] brcmfmac: get rid of brcmf_cfg80211_escan() function
 | 
			
		||||
 | 
			
		||||
The function brcmf_cfg80211_escan() is only called by brcmf_cfg80211_scan()
 | 
			
		||||
so there is no reason to split in two function especially since the latter
 | 
			
		||||
does not do an awful lot.
 | 
			
		||||
 | 
			
		||||
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
 | 
			
		||||
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
 | 
			
		||||
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
 | 
			
		||||
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
 | 
			
		||||
---
 | 
			
		||||
 .../broadcom/brcm80211/brcmfmac/cfg80211.c         | 34 +++++++---------------
 | 
			
		||||
 1 file changed, 10 insertions(+), 24 deletions(-)
 | 
			
		||||
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
@@ -1071,13 +1071,16 @@ brcmf_do_escan(struct brcmf_if *ifp, str
 | 
			
		||||
 }
 | 
			
		||||
 
 | 
			
		||||
 static s32
 | 
			
		||||
-brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif,
 | 
			
		||||
-		     struct cfg80211_scan_request *request)
 | 
			
		||||
+brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
 | 
			
		||||
 {
 | 
			
		||||
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
 | 
			
		||||
-	s32 err;
 | 
			
		||||
+	struct brcmf_cfg80211_vif *vif;
 | 
			
		||||
+	s32 err = 0;
 | 
			
		||||
 
 | 
			
		||||
-	brcmf_dbg(SCAN, "START ESCAN\n");
 | 
			
		||||
+	brcmf_dbg(TRACE, "Enter\n");
 | 
			
		||||
+	vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
 | 
			
		||||
+	if (!check_vif_up(vif))
 | 
			
		||||
+		return -EIO;
 | 
			
		||||
 
 | 
			
		||||
 	if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
 | 
			
		||||
 		brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status);
 | 
			
		||||
@@ -1102,6 +1105,8 @@ brcmf_cfg80211_escan(struct wiphy *wiphy
 | 
			
		||||
 	if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif)
 | 
			
		||||
 		vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif;
 | 
			
		||||
 
 | 
			
		||||
+	brcmf_dbg(SCAN, "START ESCAN\n");
 | 
			
		||||
+
 | 
			
		||||
 	cfg->scan_request = request;
 | 
			
		||||
 	set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 | 
			
		||||
 
 | 
			
		||||
@@ -1121,31 +1126,12 @@ brcmf_cfg80211_escan(struct wiphy *wiphy
 | 
			
		||||
 	return 0;
 | 
			
		||||
 
 | 
			
		||||
 scan_out:
 | 
			
		||||
+	brcmf_err("scan error (%d)\n", err);
 | 
			
		||||
 	clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 | 
			
		||||
 	cfg->scan_request = NULL;
 | 
			
		||||
 	return err;
 | 
			
		||||
 }
 | 
			
		||||
 
 | 
			
		||||
-static s32
 | 
			
		||||
-brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
 | 
			
		||||
-{
 | 
			
		||||
-	struct brcmf_cfg80211_vif *vif;
 | 
			
		||||
-	s32 err = 0;
 | 
			
		||||
-
 | 
			
		||||
-	brcmf_dbg(TRACE, "Enter\n");
 | 
			
		||||
-	vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev);
 | 
			
		||||
-	if (!check_vif_up(vif))
 | 
			
		||||
-		return -EIO;
 | 
			
		||||
-
 | 
			
		||||
-	err = brcmf_cfg80211_escan(wiphy, vif, request);
 | 
			
		||||
-
 | 
			
		||||
-	if (err)
 | 
			
		||||
-		brcmf_err("scan error (%d)\n", err);
 | 
			
		||||
-
 | 
			
		||||
-	brcmf_dbg(TRACE, "Exit\n");
 | 
			
		||||
-	return err;
 | 
			
		||||
-}
 | 
			
		||||
-
 | 
			
		||||
 static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
 | 
			
		||||
 {
 | 
			
		||||
 	s32 err = 0;
 | 
			
		||||
@ -0,0 +1,86 @@
 | 
			
		||||
From bbf35414cd23a9d7230bfd7046e1e2c26020e7eb Mon Sep 17 00:00:00 2001
 | 
			
		||||
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Date: Wed, 8 Nov 2017 14:36:36 +0100
 | 
			
		||||
Subject: [PATCH] brcmfmac: get rid of struct brcmf_cfg80211_info::active_scan
 | 
			
		||||
 field
 | 
			
		||||
 | 
			
		||||
The field struct brcmf_cfg80211_info::active_scan is set to true upon
 | 
			
		||||
initializing the driver instance, but it is never changed so simply
 | 
			
		||||
get rid of it.
 | 
			
		||||
 | 
			
		||||
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
 | 
			
		||||
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
 | 
			
		||||
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
 | 
			
		||||
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
 | 
			
		||||
---
 | 
			
		||||
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 10 +---------
 | 
			
		||||
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h |  2 --
 | 
			
		||||
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c      |  5 +----
 | 
			
		||||
 3 files changed, 2 insertions(+), 15 deletions(-)
 | 
			
		||||
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
@@ -1043,7 +1043,6 @@ brcmf_do_escan(struct brcmf_if *ifp, str
 | 
			
		||||
 {
 | 
			
		||||
 	struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
 | 
			
		||||
 	s32 err;
 | 
			
		||||
-	u32 passive_scan;
 | 
			
		||||
 	struct brcmf_scan_results *results;
 | 
			
		||||
 	struct escan_info *escan = &cfg->escan_info;
 | 
			
		||||
 
 | 
			
		||||
@@ -1051,13 +1050,7 @@ brcmf_do_escan(struct brcmf_if *ifp, str
 | 
			
		||||
 	escan->ifp = ifp;
 | 
			
		||||
 	escan->wiphy = cfg->wiphy;
 | 
			
		||||
 	escan->escan_state = WL_ESCAN_STATE_SCANNING;
 | 
			
		||||
-	passive_scan = cfg->active_scan ? 0 : 1;
 | 
			
		||||
-	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
 | 
			
		||||
-				    passive_scan);
 | 
			
		||||
-	if (err) {
 | 
			
		||||
-		brcmf_err("error (%d)\n", err);
 | 
			
		||||
-		return err;
 | 
			
		||||
-	}
 | 
			
		||||
+
 | 
			
		||||
 	brcmf_scan_config_mpc(ifp, 0);
 | 
			
		||||
 	results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf;
 | 
			
		||||
 	results->version = 0;
 | 
			
		||||
@@ -5767,7 +5760,6 @@ static s32 wl_init_priv(struct brcmf_cfg
 | 
			
		||||
 
 | 
			
		||||
 	cfg->scan_request = NULL;
 | 
			
		||||
 	cfg->pwr_save = true;
 | 
			
		||||
-	cfg->active_scan = true;	/* we do active scan per default */
 | 
			
		||||
 	cfg->dongle_up = false;		/* dongle is not up yet */
 | 
			
		||||
 	err = brcmf_init_priv_mem(cfg);
 | 
			
		||||
 	if (err)
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
 | 
			
		||||
@@ -283,7 +283,6 @@ struct brcmf_cfg80211_wowl {
 | 
			
		||||
  * @scan_status: scan activity on the dongle.
 | 
			
		||||
  * @pub: common driver information.
 | 
			
		||||
  * @channel: current channel.
 | 
			
		||||
- * @active_scan: current scan mode.
 | 
			
		||||
  * @int_escan_map: bucket map for which internal e-scan is done.
 | 
			
		||||
  * @ibss_starter: indicates this sta is ibss starter.
 | 
			
		||||
  * @pwr_save: indicate whether dongle to support power save mode.
 | 
			
		||||
@@ -316,7 +315,6 @@ struct brcmf_cfg80211_info {
 | 
			
		||||
 	unsigned long scan_status;
 | 
			
		||||
 	struct brcmf_pub *pub;
 | 
			
		||||
 	u32 channel;
 | 
			
		||||
-	bool active_scan;
 | 
			
		||||
 	u32 int_escan_map;
 | 
			
		||||
 	bool ibss_starter;
 | 
			
		||||
 	bool pwr_save;
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
 | 
			
		||||
@@ -692,10 +692,7 @@ static s32 brcmf_p2p_escan(struct brcmf_
 | 
			
		||||
 
 | 
			
		||||
 	/* determine the scan engine parameters */
 | 
			
		||||
 	sparams->bss_type = DOT11_BSSTYPE_ANY;
 | 
			
		||||
-	if (p2p->cfg->active_scan)
 | 
			
		||||
-		sparams->scan_type = 0;
 | 
			
		||||
-	else
 | 
			
		||||
-		sparams->scan_type = 1;
 | 
			
		||||
+	sparams->scan_type = BRCMF_SCANTYPE_ACTIVE;
 | 
			
		||||
 
 | 
			
		||||
 	eth_broadcast_addr(sparams->bssid);
 | 
			
		||||
 	sparams->home_time = cpu_to_le32(P2PAPI_SCAN_HOME_TIME_MS);
 | 
			
		||||
@ -0,0 +1,55 @@
 | 
			
		||||
From bd99a3013bdc00f8fc7534c657b39616792b4467 Mon Sep 17 00:00:00 2001
 | 
			
		||||
From: Arend Van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Date: Wed, 8 Nov 2017 14:36:37 +0100
 | 
			
		||||
Subject: [PATCH] brcmfmac: move configuration of probe request IEs
 | 
			
		||||
 | 
			
		||||
The configuration of the IEs for probe requests was done in a P2P
 | 
			
		||||
related function, which is not very obvious. Moving it to
 | 
			
		||||
.scan callback function, ie. brcmf_cfg80211_scan().
 | 
			
		||||
 | 
			
		||||
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
 | 
			
		||||
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
 | 
			
		||||
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
 | 
			
		||||
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
 | 
			
		||||
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
 | 
			
		||||
---
 | 
			
		||||
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 5 +++++
 | 
			
		||||
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c      | 6 ++----
 | 
			
		||||
 2 files changed, 7 insertions(+), 4 deletions(-)
 | 
			
		||||
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
@@ -1108,6 +1108,11 @@ brcmf_cfg80211_scan(struct wiphy *wiphy,
 | 
			
		||||
 	if (err)
 | 
			
		||||
 		goto scan_out;
 | 
			
		||||
 
 | 
			
		||||
+	err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG,
 | 
			
		||||
+				    request->ie, request->ie_len);
 | 
			
		||||
+	if (err)
 | 
			
		||||
+		goto scan_out;
 | 
			
		||||
+
 | 
			
		||||
 	err = brcmf_do_escan(vif->ifp, request);
 | 
			
		||||
 	if (err)
 | 
			
		||||
 		goto scan_out;
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
 | 
			
		||||
@@ -881,7 +881,7 @@ int brcmf_p2p_scan_prep(struct wiphy *wi
 | 
			
		||||
 {
 | 
			
		||||
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
 | 
			
		||||
 	struct brcmf_p2p_info *p2p = &cfg->p2p;
 | 
			
		||||
-	int err = 0;
 | 
			
		||||
+	int err;
 | 
			
		||||
 
 | 
			
		||||
 	if (brcmf_p2p_scan_is_p2p_request(request)) {
 | 
			
		||||
 		/* find my listen channel */
 | 
			
		||||
@@ -904,9 +904,7 @@ int brcmf_p2p_scan_prep(struct wiphy *wi
 | 
			
		||||
 		/* override .run_escan() callback. */
 | 
			
		||||
 		cfg->escan_info.run = brcmf_p2p_run_escan;
 | 
			
		||||
 	}
 | 
			
		||||
-	err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG,
 | 
			
		||||
-				    request->ie, request->ie_len);
 | 
			
		||||
-	return err;
 | 
			
		||||
+	return 0;
 | 
			
		||||
 }
 | 
			
		||||
 
 | 
			
		||||
 
 | 
			
		||||
@ -13,7 +13,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
 | 
			
		||||
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
 | 
			
		||||
@@ -1198,6 +1198,7 @@ int __init brcmf_core_init(void)
 | 
			
		||||
@@ -1236,6 +1236,7 @@ int __init brcmf_core_init(void)
 | 
			
		||||
 {
 | 
			
		||||
 	if (!schedule_work(&brcmf_driver_work))
 | 
			
		||||
 		return -EBUSY;
 | 
			
		||||
 | 
			
		||||
@ -10,7 +10,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
 | 
			
		||||
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
@@ -655,9 +655,37 @@ static struct wireless_dev *brcmf_cfg802
 | 
			
		||||
@@ -614,9 +614,37 @@ static struct wireless_dev *brcmf_cfg802
 | 
			
		||||
 						     enum nl80211_iftype type,
 | 
			
		||||
 						     struct vif_params *params)
 | 
			
		||||
 {
 | 
			
		||||
 | 
			
		||||
@ -14,7 +14,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org>
 | 
			
		||||
 | 
			
		||||
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
 | 
			
		||||
@@ -2838,6 +2838,10 @@ brcmf_cfg80211_set_power_mgmt(struct wip
 | 
			
		||||
@@ -2727,6 +2727,10 @@ brcmf_cfg80211_set_power_mgmt(struct wip
 | 
			
		||||
 	 * preference in cfg struct to apply this to
 | 
			
		||||
 	 * FW later while initializing the dongle
 | 
			
		||||
 	 */
 | 
			
		||||
 | 
			
		||||
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		Reference in New Issue
	
	Block a user