[PATCH net-next 4/9] nfp: make use of napi_consume_skb()

[Jakub Kicinski]

Use napi_consume_skb() in nfp_net_tx_complete() to get bulk free.
Pass 0 as budget for ctrl queue completion since it runs out of
a tasklet.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vanderme...@netronome.com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c 
b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index edc6ef682f6d..7df5ca37bfb8 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -945,11 +945,12 @@ static int nfp_net_tx(struct sk_buff *skb, struct 
net_device *netdev)
 
 /**
  * nfp_net_tx_complete() - Handled completed TX packets
- * @tx_ring:   TX ring structure
+ * @tx_ring:   TX ring structure
+ * @budget:    NAPI budget (only used as bool to determine if in NAPI context)
  *
  * Return: Number of completed TX descriptors
  */
-static void nfp_net_tx_complete(struct nfp_net_tx_ring *tx_ring)
+static void nfp_net_tx_complete(struct nfp_net_tx_ring *tx_ring, int budget)
 {
        struct nfp_net_r_vector *r_vec = tx_ring->r_vec;
        struct nfp_net_dp *dp = &r_vec->nfp_net->dp;
@@ -999,7 +1000,7 @@ static void nfp_net_tx_complete(struct nfp_net_tx_ring 
*tx_ring)
 
                /* check for last gather fragment */
                if (fidx == nr_frags - 1)
-                       dev_consume_skb_any(skb);
+                       napi_consume_skb(skb, budget);
 
                tx_ring->txbufs[idx].dma_addr = 0;
                tx_ring->txbufs[idx].skb = NULL;
@@ -1828,7 +1829,7 @@ static int nfp_net_poll(struct napi_struct *napi, int 
budget)
        unsigned int pkts_polled = 0;
 
        if (r_vec->tx_ring)
-               nfp_net_tx_complete(r_vec->tx_ring);
+               nfp_net_tx_complete(r_vec->tx_ring, budget);
        if (r_vec->rx_ring)
                pkts_polled = nfp_net_rx(r_vec->rx_ring, budget);
 
@@ -2062,7 +2063,7 @@ static void nfp_ctrl_poll(unsigned long arg)
        struct nfp_net_r_vector *r_vec = (void *)arg;
 
        spin_lock_bh(&r_vec->lock);
-       nfp_net_tx_complete(r_vec->tx_ring);
+       nfp_net_tx_complete(r_vec->tx_ring, 0);
        __nfp_ctrl_tx_queued(r_vec);
        spin_unlock_bh(&r_vec->lock);
 
-- 
2.17.1