From e3faa866d5e4d6199b45f821343ee24510881823 Mon Sep 17 00:00:00 2001 From: Rafa? Mi?ecki Date: Thu, 9 Jul 2015 17:07:08 +0200 Subject: [PATCH] brcmfmac: set wiphy's addresses to provide valid MACs Broadcom's firmware requires every BSS to use MAC address with unique last few bits. The amount of bits may depend on a particular firmware, it was verified to be 2 for BCM43602 one. If this condition won't be fulfilled firmware will reject such MAC: brcmfmac: _brcmf_set_mac_address: Setting cur_etheraddr failed, -52 We don't want to simply set addr_mask as it would also disallow using locally administrated bit. Instead let's build a list of addresses manually enabling 0x2 bit for extra interfaces. Signed-off-by: Rafa? Mi?ecki Signed-off-by: Kalle Valo --- drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c | 14 ++++++++++++++ drivers/net/wireless/brcm80211/brcmfmac/core.h | 3 +++ 2 files changed, 17 insertions(+) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c index d86d1f1f1c91..ffe526070d6f 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c @@ -5785,6 +5785,7 @@ static void brcmf_wiphy_wowl_params(struct wiphy *wiphy) static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) { + struct brcmf_pub *drvr = ifp->drvr; struct ieee80211_supported_band *band; __le32 bandlist[3]; u32 n_bands; @@ -5798,6 +5799,19 @@ static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) if (err) return err; + for (i = 0; i < wiphy->iface_combinations->max_interfaces && + i < ARRAY_SIZE(drvr->addresses); i++) { + u8 *addr = drvr->addresses[i].addr; + + memcpy(addr, drvr->mac, ETH_ALEN); + if (i) { + addr[0] |= BIT(1); + addr[ETH_ALEN - 1] ^= i; + } + } + wiphy->addresses = drvr->addresses; + wiphy->n_addresses = i; + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; wiphy->cipher_suites = __wl_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.h b/drivers/net/wireless/brcm80211/brcmfmac/core.h index fd74a9c6e9ac..746304121cdb 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/core.h @@ -21,6 +21,7 @@ #ifndef BRCMFMAC_CORE_H #define BRCMFMAC_CORE_H +#include #include "fweh.h" #define TOE_TX_CSUM_OL 0x00000001 @@ -118,6 +119,8 @@ struct brcmf_pub { /* Multicast data packets sent to dongle */ unsigned long tx_multicast; + struct mac_address addresses[BRCMF_MAX_IFS]; + struct brcmf_if *iflist[BRCMF_MAX_IFS]; struct mutex proto_block; -- GitLab