From 78f0a64f66d4f582987bbe45433374b61c21500f Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Wed, 12 May 2021 00:15:49 +0300 Subject: [PATCH] brcmfmac: Silence error messages about unsupported firmware features KMSG is flooded with error messages about unsupported firmware features of BCM4329 chip. The GET_ASSOCLIST error became especially noisy with a newer NetworkManager version of Ubuntu 21.04. Turn the noisy error messages into info messages and print them out only once. Signed-off-by: Dmitry Osipenko Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20210511211549.30571-2-digetx@gmail.com --- .../broadcom/brcm80211/brcmfmac/cfg80211.c | 16 +++++++++++++--- .../wireless/broadcom/brcm80211/brcmfmac/core.c | 11 ++++++++--- .../wireless/broadcom/brcm80211/brcmfmac/debug.h | 4 ++++ 3 files changed, 25 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 65fb038d88e7..cedba56fc448 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -2895,8 +2895,13 @@ brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev, &cfg->assoclist, sizeof(cfg->assoclist)); if (err) { - bphy_err(drvr, "BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n", - err); + /* GET_ASSOCLIST unsupported by firmware of older chips */ + if (err == -EBADE) + bphy_info_once(drvr, "BRCMF_C_GET_ASSOCLIST unsupported\n"); + else + bphy_err(drvr, "BRCMF_C_GET_ASSOCLIST failed, err=%d\n", + err); + cfg->assoclist.count = 0; return -EOPNOTSUPP; } @@ -6851,7 +6856,12 @@ static int brcmf_setup_wiphybands(struct brcmf_cfg80211_info *cfg) err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); if (err) { - bphy_err(drvr, "rxchain error (%d)\n", err); + /* rxchain unsupported by firmware of older chips */ + if (err == -EBADE) + bphy_info_once(drvr, "rxchain unsupported\n"); + else + bphy_err(drvr, "rxchain error (%d)\n", err); + nchain = 1; } else { for (nchain = 0; rxchain; nchain++) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index cee1682d2333..db5f8535fdb5 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -188,9 +188,14 @@ static void _brcmf_set_multicast_list(struct work_struct *work) /*Finally, pick up the PROMISC flag */ cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); - if (err < 0) - bphy_err(drvr, "Setting BRCMF_C_SET_PROMISC failed, %d\n", - err); + if (err < 0) { + /* PROMISC unsupported by firmware of older chips */ + if (err == -EBADE) + bphy_info_once(drvr, "BRCMF_C_SET_PROMISC unsupported\n"); + else + bphy_err(drvr, "Setting BRCMF_C_SET_PROMISC failed, err=%d\n", + err); + } brcmf_configure_arp_nd_offload(ifp, !cmd_value); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h index 44ba6f389fa9..9bb5f709d41a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h @@ -60,6 +60,10 @@ void __brcmf_err(struct brcmf_bus *bus, const char *func, const char *fmt, ...); ##__VA_ARGS__); \ } while (0) +#define bphy_info_once(drvr, fmt, ...) \ + wiphy_info_once((drvr)->wiphy, "%s: " fmt, __func__, \ + ##__VA_ARGS__) + #if defined(DEBUG) || defined(CONFIG_BRCM_TRACING) /* For debug/tracing purposes treat info messages as errors */ -- 2.20.1