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Subject[PATCH v2 6/9] brcmfmac: add RSDB condition when setting interface combinations
Date
From: Wright Feng <wright.feng@cypress.com>

With firmware RSDB feature
1. The maximum support interface is four.
2. The maximum difference channel is two.
3. The maximum interfaces of {station/p2p client/AP} are two.
4. The maximum interface of p2p device is one.

Signed-off-by: Wright Feng <wright.feng@cypress.com>
Signed-off-by: Soeren Moch <smoch@web.de>
Reviewed-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
---
changes in v2:
- add missing s-o-b
- add review tag received for v1

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
.../broadcom/brcm80211/brcmfmac/cfg80211.c | 54 ++++++++++++++++---
1 file changed, 46 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 0cf13cea1dbe..9d9dc9195e9e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6520,6 +6520,9 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
* #STA <= 1, #AP <= 1, channels = 1, 2 total
* #AP <= 4, matching BI, channels = 1, 4 total
*
+ * no p2p and rsdb:
+ * #STA <= 2, #AP <= 2, channels = 2, 4 total
+ *
* p2p, no mchan, and mbss:
*
* #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total
@@ -6531,6 +6534,10 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
* #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total
* #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
* #AP <= 4, matching BI, channels = 1, 4 total
+ *
+ * p2p, rsdb, and no mbss:
+ * #STA <= 2, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 2, AP <= 2,
+ * channels = 2, 4 total
*/
static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
{
@@ -6538,13 +6545,14 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
struct ieee80211_iface_limit *c0_limits = NULL;
struct ieee80211_iface_limit *p2p_limits = NULL;
struct ieee80211_iface_limit *mbss_limits = NULL;
- bool mbss, p2p;
+ bool mbss, p2p, rsdb;
int i, c, n_combos;

mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS);
p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P);
+ rsdb = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB);

- n_combos = 1 + !!p2p + !!mbss;
+ n_combos = 1 + !!(p2p && !rsdb) + !!mbss;
combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL);
if (!combo)
goto err;
@@ -6555,16 +6563,36 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)

c = 0;
i = 0;
- c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
+ if (p2p && rsdb)
+ c0_limits = kcalloc(4, sizeof(*c0_limits), GFP_KERNEL);
+ else if (p2p)
+ c0_limits = kcalloc(3, sizeof(*c0_limits), GFP_KERNEL);
+ else
+ c0_limits = kcalloc(2, sizeof(*c0_limits), GFP_KERNEL);
if (!c0_limits)
goto err;
- c0_limits[i].max = 1;
- c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
- if (p2p) {
+ if (p2p && rsdb) {
+ combo[c].num_different_channels = 2;
+ wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE);
+ c0_limits[i].max = 2;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
+ c0_limits[i].max = 1;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
+ c0_limits[i].max = 2;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO);
+ c0_limits[i].max = 2;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
+ combo[c].max_interfaces = 5;
+ } else if (p2p) {
if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
combo[c].num_different_channels = 2;
else
combo[c].num_different_channels = 1;
+ c0_limits[i].max = 1;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_P2P_DEVICE);
@@ -6573,16 +6601,26 @@ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
c0_limits[i].max = 1;
c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO);
+ combo[c].max_interfaces = i;
+ } else if (rsdb) {
+ combo[c].num_different_channels = 2;
+ c0_limits[i].max = 2;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
+ c0_limits[i].max = 2;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
+ combo[c].max_interfaces = 3;
} else {
combo[c].num_different_channels = 1;
c0_limits[i].max = 1;
+ c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
+ c0_limits[i].max = 1;
c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
+ combo[c].max_interfaces = i;
}
- combo[c].max_interfaces = i;
combo[c].n_limits = i;
combo[c].limits = c0_limits;

- if (p2p) {
+ if (p2p && !rsdb) {
c++;
i = 0;
p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
--
2.17.1
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