diff options
Diffstat (limited to 'package/kernel/mac80211/patches/319-0024-brcmfmac-remove-worker-from-.ndo_set_mac_address-cal.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/319-0024-brcmfmac-remove-worker-from-.ndo_set_mac_address-cal.patch | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/319-0024-brcmfmac-remove-worker-from-.ndo_set_mac_address-cal.patch b/package/kernel/mac80211/patches/319-0024-brcmfmac-remove-worker-from-.ndo_set_mac_address-cal.patch new file mode 100644 index 0000000000..67af30e4fd --- /dev/null +++ b/package/kernel/mac80211/patches/319-0024-brcmfmac-remove-worker-from-.ndo_set_mac_address-cal.patch @@ -0,0 +1,107 @@ +From 8fa5fdec09cd379c9ecb8972f344f8f308e0ccf3 Mon Sep 17 00:00:00 2001 +From: Arend Van Spriel <arend.vanspriel@broadcom.com> +Date: Mon, 19 Sep 2016 12:09:55 +0100 +Subject: [PATCH] brcmfmac: remove worker from .ndo_set_mac_address() callback + +As it turns out there is no need to use a worker for the callback +because it is not called from atomic context. + +Reported-by: Dan Williams <dcbw@redhat.com> +Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> +Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> +Reviewed-by: Franky Lin <franky.lin@broadcom.com> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../wireless/broadcom/brcm80211/brcmfmac/core.c | 39 ++++++++-------------- + .../wireless/broadcom/brcm80211/brcmfmac/core.h | 2 -- + 2 files changed, 13 insertions(+), 28 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +@@ -136,27 +136,6 @@ static void _brcmf_set_multicast_list(st + err); + } + +-static void +-_brcmf_set_mac_address(struct work_struct *work) +-{ +- struct brcmf_if *ifp; +- s32 err; +- +- ifp = container_of(work, struct brcmf_if, setmacaddr_work); +- +- brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx); +- +- err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, +- ETH_ALEN); +- if (err < 0) { +- brcmf_err("Setting cur_etheraddr failed, %d\n", err); +- } else { +- brcmf_dbg(TRACE, "MAC address updated to %pM\n", +- ifp->mac_addr); +- memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); +- } +-} +- + #if IS_ENABLED(CONFIG_IPV6) + static void _brcmf_update_ndtable(struct work_struct *work) + { +@@ -190,10 +169,20 @@ static int brcmf_netdev_set_mac_address( + { + struct brcmf_if *ifp = netdev_priv(ndev); + struct sockaddr *sa = (struct sockaddr *)addr; ++ int err; + +- memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN); +- schedule_work(&ifp->setmacaddr_work); +- return 0; ++ brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx); ++ ++ err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", sa->sa_data, ++ ETH_ALEN); ++ if (err < 0) { ++ brcmf_err("Setting cur_etheraddr failed, %d\n", err); ++ } else { ++ brcmf_dbg(TRACE, "updated to %pM\n", sa->sa_data); ++ memcpy(ifp->mac_addr, sa->sa_data, ETH_ALEN); ++ memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); ++ } ++ return err; + } + + static void brcmf_netdev_set_multicast_list(struct net_device *ndev) +@@ -525,7 +514,6 @@ int brcmf_net_attach(struct brcmf_if *if + /* set the mac address */ + memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); + +- INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); + INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); + INIT_WORK(&ifp->ndoffload_work, _brcmf_update_ndtable); + +@@ -730,7 +718,6 @@ static void brcmf_del_if(struct brcmf_pu + } + + if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { +- cancel_work_sync(&ifp->setmacaddr_work); + cancel_work_sync(&ifp->multicast_work); + cancel_work_sync(&ifp->ndoffload_work); + } +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h +@@ -176,7 +176,6 @@ enum brcmf_netif_stop_reason { + * @vif: points to cfg80211 specific interface information. + * @ndev: associated network device. + * @stats: interface specific network statistics. +- * @setmacaddr_work: worker object for setting mac address. + * @multicast_work: worker object for multicast provisioning. + * @ndoffload_work: worker object for neighbor discovery offload configuration. + * @fws_desc: interface specific firmware-signalling descriptor. +@@ -193,7 +192,6 @@ struct brcmf_if { + struct brcmf_cfg80211_vif *vif; + struct net_device *ndev; + struct net_device_stats stats; +- struct work_struct setmacaddr_work; + struct work_struct multicast_work; + struct work_struct ndoffload_work; + struct brcmf_fws_mac_descriptor *fws_desc; |