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path: root/drivers/net/ethernet/sfc/net_driver.h
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Diffstat (limited to 'drivers/net/ethernet/sfc/net_driver.h')
-rw-r--r--drivers/net/ethernet/sfc/net_driver.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 18c4b3c245e2..f52687741508 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -670,6 +670,9 @@ struct efx_filter_state;
* @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
* @multicast_hash: Multicast hash table
* @wanted_fc: Wanted flow control flags
+ * @fc_disable: When non-zero flow control is disabled. Typically used to
+ * ensure that network back pressure doesn't delay dma queue flushes.
+ * Serialised by the rtnl lock.
* @mac_work: Work item for changing MAC promiscuity and multicast hash
* @loopback_mode: Loopback status
* @loopback_modes: Supported loopback mode bitmask
@@ -769,6 +772,7 @@ struct efx_nic {
bool promiscuous;
union efx_multicast_hash multicast_hash;
u8 wanted_fc;
+ unsigned fc_disable;
atomic_t rx_reset;
enum efx_loopback_mode loopback_mode;