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brcmfmac: perform filtered firmware-signalling cleanup upon DEL_IF

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When an interface is deleted make sure to cleanup all packet
buffers related to that interface.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2013-04-03 12:40:36 +02:00 committed by John W. Linville
parent ebb93883cf
commit a3e993c786
1 changed files with 13 additions and 2 deletions
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15
drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
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@ -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);
}