mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 16:31:13 +00:00
1866368a8a
LS1088A is an ARMv8 implementation combining eight ARM A53 processor cores. The LS1088ARDB is an evaluatoin platform that supports the LS1088A family SoCs. Features summary: - Eight 64-bit ARM v8 Cortex-A53 CPUs - Data path acceleration architecture 2.0 (DPAA2) - Ethernet interfaces - QUADSPI flash, 3 PCIe, 2 USB, 1 SD, 2 DUARTs etc Signed-off-by: Yutang Jiang <yutang.jiang@nxp.com>
58 lines
2.2 KiB
Diff
58 lines
2.2 KiB
Diff
From 51106cb1fd14dfbf62c2760921463376f56ac732 Mon Sep 17 00:00:00 2001
|
|
From: Bogdan Purcareata <bogdan.purcareata@nxp.com>
|
|
Date: Tue, 21 Jun 2016 18:40:47 +0000
|
|
Subject: [PATCH 205/226] fsl-dpaa2: eth: sanitize supported private flags
|
|
|
|
On linux-v4.6 with CONFIG_MACVLAN=y, when bringing up a ni interface, the
|
|
network stack crashes due to a segfault. This is related to the
|
|
macvlan_device_event notifier, which registers itself to all the network
|
|
interface in the system.
|
|
|
|
The notifier reads the netdev private flags and incorrectly qualifies
|
|
the interface as a macvlan port, since both the IFF_MACVLAN_PORT and
|
|
IFF_PROMISC flags have the same offset. Code spelunking reveals that
|
|
IFF_PROMISC is only used as an interface flag, not a private interface
|
|
flag.
|
|
|
|
A similar situation happens with IFF_ALLMULTI, which overlaps with
|
|
IFF_BRIDGE_PORT. No info on the consequences of this, since I haven't
|
|
tested bridge scenarios. The interface can still be set in allmulti
|
|
mode using userspace tools (e.g. ifconfig).
|
|
|
|
IFF_MULTICAST overlaps with IFF_UNICAST_FLT, therefore the current code
|
|
has no effect as it is. The closest multicast activation based on device
|
|
capabilities has been seen in the case of the Aeroflex Gaisler Ethernet
|
|
MAC (aeroflex/greth.c) - here, the runtime (not private) flag is set on
|
|
device probe. On a side node, ether_setup enables IFF_MULTICAST by default.
|
|
|
|
Remove IFF_PROMISC, IFF_ALLMULTI and IFF_MULTICAST from device capabilities
|
|
init.
|
|
|
|
Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
|
|
---
|
|
drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 7 +------
|
|
1 file changed, 1 insertion(+), 6 deletions(-)
|
|
|
|
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
|
|
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
|
|
@@ -1176,18 +1176,13 @@ static int dpaa2_eth_init(struct net_dev
|
|
u32 options = priv->dpni_attrs.options;
|
|
|
|
/* Capabilities listing */
|
|
- supported |= IFF_LIVE_ADDR_CHANGE | IFF_PROMISC | IFF_ALLMULTI;
|
|
+ supported |= IFF_LIVE_ADDR_CHANGE;
|
|
|
|
if (options & DPNI_OPT_UNICAST_FILTER)
|
|
supported |= IFF_UNICAST_FLT;
|
|
else
|
|
not_supported |= IFF_UNICAST_FLT;
|
|
|
|
- if (options & DPNI_OPT_MULTICAST_FILTER)
|
|
- supported |= IFF_MULTICAST;
|
|
- else
|
|
- not_supported |= IFF_MULTICAST;
|
|
-
|
|
net_dev->priv_flags |= supported;
|
|
net_dev->priv_flags &= ~not_supported;
|
|
|