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 <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>
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1 changed files with 13 additions and 2 deletions
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@ -354,21 +354,31 @@ static void brcmf_fws_mac_desc_cleanup(struct brcmf_fws_mac_descriptor *entry,
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}
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}
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}
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}
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static bool brcmf_fws_ifidx_match(struct sk_buff *skb, void *arg)
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{
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u32 ifidx = brcmf_skb_if_flags_get_field(skb, INDEX);
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return ifidx == *(int *)arg;
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}
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static void brcmf_fws_cleanup(struct brcmf_fws_info *fws, int ifidx)
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static void brcmf_fws_cleanup(struct brcmf_fws_info *fws, int ifidx)
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{
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{
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int i;
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int i;
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struct brcmf_fws_mac_descriptor *table;
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struct brcmf_fws_mac_descriptor *table;
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bool (*matchfn)(struct sk_buff *, void *) = NULL;
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brcmf_dbg(TRACE, "enter: ifidx=%d\n", ifidx);
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brcmf_dbg(TRACE, "enter: ifidx=%d\n", ifidx);
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if (fws == NULL)
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if (fws == NULL)
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return;
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return;
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if (ifidx != -1)
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matchfn = brcmf_fws_ifidx_match;
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/* cleanup individual nodes */
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/* cleanup individual nodes */
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table = &fws->nodes[0];
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table = &fws->nodes[0];
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for (i = 0; i < ARRAY_SIZE(fws->nodes); i++)
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for (i = 0; i < ARRAY_SIZE(fws->nodes); i++)
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brcmf_fws_mac_desc_cleanup(&table[i], NULL, ifidx);
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brcmf_fws_mac_desc_cleanup(&table[i], matchfn, ifidx);
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brcmf_fws_mac_desc_cleanup(&fws->other, NULL, ifidx);
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brcmf_fws_mac_desc_cleanup(&fws->other, matchfn, ifidx);
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}
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}
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static int brcmf_fws_rssi_indicate(struct brcmf_fws_info *fws, s8 rssi)
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static int brcmf_fws_rssi_indicate(struct brcmf_fws_info *fws, s8 rssi)
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@ -678,5 +688,6 @@ void brcmf_fws_del_interface(struct brcmf_if *ifp)
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ifp->fws_desc = NULL;
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ifp->fws_desc = NULL;
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brcmf_fws_clear_mac_descriptor(entry);
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brcmf_fws_clear_mac_descriptor(entry);
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brcmf_fws_cleanup(ifp->drvr->fws, ifp->ifidx);
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kfree(entry);
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kfree(entry);
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}
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}
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