This is a note to let you know that I've just added the patch titled
brcmfmac: Fix ifidx for rx data by msgbuf.
to the 3.18-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
brcmfmac-fix-ifidx-for-rx-data-by-msgbuf.patch
and it can be found in the queue-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 94a612086f5e78272e831c04b673778f8546ea73 Mon Sep 17 00:00:00 2001
From: Hante Meuleman <meuleman@xxxxxxxxxxxx>
Date: Wed, 3 Dec 2014 21:05:28 +0100
Subject: brcmfmac: Fix ifidx for rx data by msgbuf.
From: Hante Meuleman <meuleman@xxxxxxxxxxxx>
commit 94a612086f5e78272e831c04b673778f8546ea73 upstream.
The ifidx provided by FW needs to be offsetted when receiving data
packets.
Reviewed-by: Arend Van Spriel <arend@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Signed-off-by: Hante Meuleman <meuleman@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
@@ -1081,8 +1081,17 @@ brcmf_msgbuf_rx_skb(struct brcmf_msgbuf
{
struct brcmf_if *ifp;
+ /* The ifidx is the idx to map to matching netdev/ifp. When receiving
+ * events this is easy because it contains the bssidx which maps
+ * 1-on-1 to the netdev/ifp. But for data frames the ifidx is rcvd.
+ * bssidx 1 is used for p2p0 and no data can be received or
+ * transmitted on it. Therefor bssidx is ifidx + 1 if ifidx > 0
+ */
+ if (ifidx)
+ (ifidx)++;
ifp = msgbuf->drvr->iflist[ifidx];
if (!ifp || !ifp->ndev) {
+ brcmf_err("Received pkt for invalid ifidx %d\n", ifidx);
brcmu_pkt_buf_free_skb(skb);
return;
}
Patches currently in stable-queue which might be from meuleman@xxxxxxxxxxxx are
queue-3.18/brcmfmac-fix-ifidx-for-rx-data-by-msgbuf.patch
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