From a3e993c78631b918f26db38605678889e3a5e964 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Wed, 3 Apr 2013 12:40:36 +0200 Subject: [PATCH] brcmfmac: perform filtered firmware-signalling cleanup upon DEL_IF When an interface is deleted make sure to cleanup all packet buffers related to that interface. Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Hante Meuleman Reviewed-by: Piotr Haber Signed-off-by: Arend van Spriel Signed-off-by: John W. Linville --- .../net/wireless/brcm80211/brcmfmac/fwsignal.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c index eba510694cb6..b123a80b17cf 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c @@ -354,21 +354,31 @@ static void brcmf_fws_mac_desc_cleanup(struct brcmf_fws_mac_descriptor *entry, } } +static bool brcmf_fws_ifidx_match(struct sk_buff *skb, void *arg) +{ + u32 ifidx = brcmf_skb_if_flags_get_field(skb, INDEX); + return ifidx == *(int *)arg; +} + static void brcmf_fws_cleanup(struct brcmf_fws_info *fws, int ifidx) { int i; struct brcmf_fws_mac_descriptor *table; + bool (*matchfn)(struct sk_buff *, void *) = NULL; brcmf_dbg(TRACE, "enter: ifidx=%d\n", ifidx); if (fws == NULL) return; + if (ifidx != -1) + matchfn = brcmf_fws_ifidx_match; + /* cleanup individual nodes */ table = &fws->nodes[0]; for (i = 0; i < ARRAY_SIZE(fws->nodes); i++) - brcmf_fws_mac_desc_cleanup(&table[i], NULL, ifidx); + brcmf_fws_mac_desc_cleanup(&table[i], matchfn, ifidx); - brcmf_fws_mac_desc_cleanup(&fws->other, NULL, ifidx); + brcmf_fws_mac_desc_cleanup(&fws->other, matchfn, ifidx); } static int brcmf_fws_rssi_indicate(struct brcmf_fws_info *fws, s8 rssi) @@ -678,5 +688,6 @@ void brcmf_fws_del_interface(struct brcmf_if *ifp) ifp->fws_desc = NULL; brcmf_fws_clear_mac_descriptor(entry); + brcmf_fws_cleanup(ifp->drvr->fws, ifp->ifidx); kfree(entry); } -- 2.20.1