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authorMugunthan V N <mugunthanvnm@ti.com>2014-06-18 15:51:48 +0400
committerDavid S. Miller <davem@davemloft.net>2014-06-22 04:17:39 +0400
commite6afea0bbf129f88dc3fc39fd0d769f9ff064172 (patch)
tree5756e77a38941017a8c64b42b846c317b662081a /net
parent7f082319190bce121c9774956861c2457535ef2d (diff)
downloadlinux-e6afea0bbf129f88dc3fc39fd0d769f9ff064172.tar.xz
drivers: net: cpsw: fix dual EMAC stall when connected to same switch
In commit 629c9a8fd0bbdfc6d702526b327470166ec39c6b (drivers: net: cpsw: Add default vlan for dual emac case also), api cpsw_add_default_vlan() also changes the port vlan which is required to seperate the ports which results in the following behavior In Dual EMAC mode, when both the Etnernet connected is connected to same switch, it creates a loop in the switch and when a broadcast packet is received it is forwarded to the other port which stalls the whole switch and needs a reset/power cycle to the switch to recover. So intead of using the api, add only the default VLAN entry in dual EMAC case. Cc: Yegor Yefremov <yegorslists@googlemail.com> Cc: Felipe Balbi <balbi@ti.com> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Tested-by: Yegor Yefremov <yegorslists@googlemail.com> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
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