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35 lines
1.4 KiB
Diff
35 lines
1.4 KiB
Diff
From cb746e47837ad0f35c8ae28e9aacc8eb07916d2a Mon Sep 17 00:00:00 2001
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From: Arend Van Spriel <arend.vanspriel@broadcom.com>
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Date: Thu, 26 Apr 2018 12:16:47 +0200
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Subject: [PATCH] brcmfmac: check p2pdev mac address uniqueness
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The mac address for p2pdev must be different from the primary interface
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due to firmware requirement. Add an explicit check for this requirement
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if user-space provides a mac address.
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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/p2p.c | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
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@@ -2073,6 +2073,13 @@ static struct wireless_dev *brcmf_p2p_cr
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}
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pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
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+
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+ /* firmware requires unique mac address for p2pdev interface */
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+ if (addr && ether_addr_equal(addr, pri_ifp->mac_addr)) {
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+ brcmf_err("discovery vif must be different from primary interface\n");
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+ return ERR_PTR(-EINVAL);
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+ }
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+
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brcmf_p2p_generate_bss_mac(p2p, addr);
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brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr);
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