diff options
| author |   Tao Liu <xliutaox@google.com> | 2021-10-11 08:36:46 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-10-11 23:25:35 +0100 |
| commit | 61d72c7e486b63340f1fadcf3bed4cae98f03d9b (patch) | |
| tree | 77122eb48073115bd5d77b0bb2568bfe58382ed0 /drivers/net/ethernet/google/gve/gve.h | |
| parent | gve: Add rx buffer pagecnt bias (diff) | |
| download | linux-dev-61d72c7e486b63340f1fadcf3bed4cae98f03d9b.tar.xz linux-dev-61d72c7e486b63340f1fadcf3bed4cae98f03d9b.zip | |
gve: Do lazy cleanup in TX path
When TX queue is full, attemt to process enough TX completions
to avoid stalling the queue.
Fixes: f5cedc84a30d2 ("gve: Add transmit and receive support")
Signed-off-by: Tao Liu <xliutaox@google.com>
Signed-off-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve.h')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h index 4abd53bdde73..3de561e22659 100644 --- a/drivers/net/ethernet/google/gve/gve.h +++ b/drivers/net/ethernet/google/gve/gve.h @@ -341,8 +341,8 @@ struct gve_tx_ring { union { /* GQI fields */ struct { - /* NIC tail pointer */ - __be32 last_nic_done; + /* Spinlock for when cleanup in progress */ + spinlock_t clean_lock; }; /* DQO fields. */ @@ -821,8 +821,9 @@ netdev_tx_t gve_tx(struct sk_buff *skb, struct net_device *dev); bool gve_tx_poll(struct gve_notify_block *block, int budget); int gve_tx_alloc_rings(struct gve_priv *priv); void gve_tx_free_rings_gqi(struct gve_priv *priv); -__be32 gve_tx_load_event_counter(struct gve_priv *priv, - struct gve_tx_ring *tx); +u32 gve_tx_load_event_counter(struct gve_priv *priv, + struct gve_tx_ring *tx); +bool gve_tx_clean_pending(struct gve_priv *priv, struct gve_tx_ring *tx); /* rx handling */ void gve_rx_write_doorbell(struct gve_priv *priv, struct gve_rx_ring *rx); int gve_rx_poll(struct gve_notify_block *block, int budget); |