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authorPavel Fedin2015-12-08 10:37:44 +0300
committerDavid S. Miller2015-12-08 22:44:55 -0500
commitf406ce4234149c302a7acb0be01c08de7b40bdb5 (patch)
tree15d0f645273f80035bfc03131ab53c001f5867f7 /drivers/sfi/Kconfig
parenta322a1bcf32900e9c9f4f9d3e09717513d918cdc (diff)
net: thunderx: Correctly distinguish between VF and LMAC count
Commit bc69fdfc6c13 ("net: thunderx: Enable BGX LMAC's RX/TX only after VF is up") introduces lmac_cnt member and starts verifying VF number against it. This is plain wrong, and works only because currently we have hardcoded 1:1 mapping between VFs and LMACs, and in this case num_vf_en and lmac_cnt are always equal. However in future this may change, and the code will badly misbehave. The worst consequence of this is failure to deliver link status messages, causing VFs to go defunct because since commit 0b72a9a1060e ("net: thunderx: Switchon carrier only upon interface link up") VF will not fully bring itself up without it. This patch fixes the potential problem by doing VF number checks against the num_vf_en. Since lmac_cnt is not used anywhere else, it is removed. Additionally some duplicated code is factored out into nic_enable_vf() Signed-off-by: Pavel Fedin <p.fedin@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/sfi/Kconfig')
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