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    Subject[PATCH AUTOSEL 4.9 26/48] ixgbevf: VF2VF TCP RSS
    Date
    From: Sebastian Basierski <sebastianx.basierski@intel.com>

    [ Upstream commit 7fb94bd58dd6650a0158e68d414e185077d8b57a ]

    While VF2VF with RSS communication, RSS Type were wrongly recognized
    and RSS hash was not calculated as it should be. Packets was
    distributed on various queues by accident.
    This commit fixes that behaviour and causes proper RSS Type recognition.

    Signed-off-by: Sebastian Basierski <sebastianx.basierski@intel.com>
    Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
    Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 4 ++++
    1 file changed, 4 insertions(+)

    diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
    index 029513294984..75607267e656 100644
    --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
    +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
    @@ -3419,6 +3419,10 @@ static void ixgbevf_tx_csum(struct ixgbevf_ring *tx_ring,
    skb_checksum_help(skb);
    goto no_csum;
    }
    +
    + if (first->protocol == htons(ETH_P_IP))
    + type_tucmd |= IXGBE_ADVTXD_TUCMD_IPV4;
    +
    /* update TX checksum flag */
    first->tx_flags |= IXGBE_TX_FLAGS_CSUM;
    vlan_macip_lens = skb_checksum_start_offset(skb) -
    --
    2.17.1
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