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From:   Wright Feng <wright.feng@cypress.com>
To:     arend.vanspriel@broadcom.com, franky.lin@broadcom.com,
        hante.meuleman@broadcom.com, kvalo@codeaurora.org,
        chi-hsien.lin@cypress.com
Cc:     wright.feng@cypress.com, linux-wireless@vger.kernel.org,
        brcm80211-dev-list.pdl@broadcom.com
Subject: [PATCH 1/3] brcmfmac: support AP isolate
Date:   Thu, 19 Mar 2020 02:53:24 -0500
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Hostap daemon has a parameter "ap_isolate" which is used to prevent
low-level bridging of frames between associated stations in the BSS.
For driver side, we add cfg80211 ops method change_bss to support
setting AP isolate from user space.

Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com>
---
 .../wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index a2328d3..eb49900 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -5376,6 +5376,26 @@ static int brcmf_cfg80211_del_pmk(struct wiphy *wiphy, struct net_device *dev,
 	return brcmf_set_pmk(ifp, NULL, 0);
 }
 
+static int
+brcmf_cfg80211_change_bss(struct wiphy *wiphy, struct net_device *dev,
+			  struct bss_parameters *params)
+{
+	struct brcmf_if *ifp;
+	int ret = 0;
+	u32 ap_isolate;
+
+	brcmf_dbg(TRACE, "Enter\n");
+	ifp = netdev_priv(dev);
+	if (params->ap_isolate >= 0) {
+		ap_isolate = (u32)params->ap_isolate;
+		ret = brcmf_fil_iovar_int_set(ifp, "ap_isolate", ap_isolate);
+		if (ret < 0)
+			brcmf_err("ap_isolate iovar failed: ret=%d\n", ret);
+	}
+
+	return ret;
+}
+
 static struct cfg80211_ops brcmf_cfg80211_ops = {
 	.add_virtual_intf = brcmf_cfg80211_add_iface,
 	.del_virtual_intf = brcmf_cfg80211_del_iface,
@@ -5421,6 +5441,7 @@ static struct cfg80211_ops brcmf_cfg80211_ops = {
 	.update_connect_params = brcmf_cfg80211_update_conn_params,
 	.set_pmk = brcmf_cfg80211_set_pmk,
 	.del_pmk = brcmf_cfg80211_del_pmk,
+	.change_bss = brcmf_cfg80211_change_bss,
 };
 
 struct cfg80211_ops *brcmf_cfg80211_get_ops(struct brcmf_mp_device *settings)
-- 
2.1.0