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-rw-r--r--package/kernel/mac80211/patches/319-0008-brcmfmac-restore-stopping-netdev-queue-when-bus-clog.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/319-0008-brcmfmac-restore-stopping-netdev-queue-when-bus-clog.patch b/package/kernel/mac80211/patches/319-0008-brcmfmac-restore-stopping-netdev-queue-when-bus-clog.patch
new file mode 100644
index 0000000000..740f84ef27
--- /dev/null
+++ b/package/kernel/mac80211/patches/319-0008-brcmfmac-restore-stopping-netdev-queue-when-bus-clog.patch
@@ -0,0 +1,56 @@
+From 82bc9ab6a8f577d2174a736c33f3d4ecf7d9ef47 Mon Sep 17 00:00:00 2001
+From: Arend Van Spriel <arend.vanspriel@broadcom.com>
+Date: Fri, 15 Jul 2016 12:16:12 +0200
+Subject: [PATCH] brcmfmac: restore stopping netdev queue when bus clogs up
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+When the host-interface bus has hard time handling transmit packets
+it informs higher layer about this and it would stop the netdev
+queue when needed. However, since commit 9cd18359d31e ("brcmfmac:
+Make FWS queueing configurable.") this was broken. With this patch
+the behaviour is restored.
+
+Cc: stable@vger.kernel.org # v4.5, v4.6, v4.7
+Fixes: 9cd18359d31e ("brcmfmac: Make FWS queueing configurable.")
+Tested-by: Per Förlin <per.forlin@gmail.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>
+---
+ .../broadcom/brcm80211/brcmfmac/fwsignal.c | 22 +++++++++++++++++-----
+ 1 file changed, 17 insertions(+), 5 deletions(-)
+
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
+@@ -2469,10 +2469,22 @@ void brcmf_fws_bustxfail(struct brcmf_fw
+ void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked)
+ {
+ struct brcmf_fws_info *fws = drvr->fws;
++ struct brcmf_if *ifp;
++ int i;
+
+- fws->bus_flow_blocked = flow_blocked;
+- if (!flow_blocked)
+- brcmf_fws_schedule_deq(fws);
+- else
+- fws->stats.bus_flow_block++;
++ if (fws->avoid_queueing) {
++ for (i = 0; i < BRCMF_MAX_IFS; i++) {
++ ifp = drvr->iflist[i];
++ if (!ifp || !ifp->ndev)
++ continue;
++ brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FLOW,
++ flow_blocked);
++ }
++ } else {
++ fws->bus_flow_blocked = flow_blocked;
++ if (!flow_blocked)
++ brcmf_fws_schedule_deq(fws);
++ else
++ fws->stats.bus_flow_block++;
++ }
+ }