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2019-07-03gve: fix -ENOMEM null check on a page allocationColin Ian King1-1/+1
Currently the check to see if a page is allocated is incorrect and is checking if the pointer page is null, not *page as intended. Fix this. Addresses-Coverity: ("Dereference before null check") Fixes: f5cedc84a30d ("gve: Add transmit and receive support") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-03gve: Fix u64_stats_sync to initialize startCatherine Sullivan2-4/+8
u64_stats_fetch_begin needs to initialize start. Signed-off-by: Catherine Sullivan <csully@google.com> Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-02gve: Add ethtool supportCatherine Sullivan4-2/+288
Add support for the following ethtool commands: ethtool -s|--change devname [msglvl N] [msglevel type on|off] ethtool -S|--statistics devname ethtool -i|--driver devname ethtool -l|--show-channels devname ethtool -L|--set-channels devname ethtool -g|--show-ring devname ethtool --reset devname Signed-off-by: Catherine Sullivan <csully@google.com> Signed-off-by: Sagi Shahar <sagis@google.com> Signed-off-by: Jon Olson <jonolson@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Luigi Rizzo <lrizzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-02gve: Add workqueue and reset supportCatherine Sullivan3-8/+249
Add support for the workqueue to handle management interrupts and support for resets. Signed-off-by: Catherine Sullivan <csully@google.com> Signed-off-by: Sagi Shahar <sagis@google.com> Signed-off-by: Jon Olson <jonolson@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Luigi Rizzo <lrizzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-02gve: Add transmit and receive supportCatherine Sullivan8-5/+2191
Add support for passing traffic. Signed-off-by: Catherine Sullivan <csully@google.com> Signed-off-by: Sagi Shahar <sagis@google.com> Signed-off-by: Jon Olson <jonolson@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Luigi Rizzo <lrizzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-02gve: Add basic driver framework for Compute Engine Virtual NICCatherine Sullivan8-0/+1027
Add a driver framework for the Compute Engine Virtual NIC that will be available in the future. At this point the only functionality is loading the driver. Signed-off-by: Catherine Sullivan <csully@google.com> Signed-off-by: Sagi Shahar <sagis@google.com> Signed-off-by: Jon Olson <jonolson@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Luigi Rizzo <lrizzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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