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authorJakub Kicinski <jakub.kicinski@netronome.com>2018-11-28 09:24:50 +0300
committerDavid S. Miller <davem@davemloft.net>2018-12-01 00:30:44 +0300
commit8b5ddf1e51818d2446f0ca997beb82a850718d2e (patch)
treeffda0f52418597206141aaaf4a44350ab98a89e9 /drivers
parentde31049a48bb75bc458e9f8a0fae037fcbf1241f (diff)
downloadlinux-8b5ddf1e51818d2446f0ca997beb82a850718d2e.tar.xz
nfp: move queue variable init
nd_q is only used at the very end of nfp_net_tx(), there is no need to initialize it early. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_common.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 78c651f9f774..0302a38149b6 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -801,13 +801,13 @@ static int nfp_net_tx(struct sk_buff *skb, struct net_device *netdev)
qidx = skb_get_queue_mapping(skb);
tx_ring = &dp->tx_rings[qidx];
r_vec = tx_ring->r_vec;
- nd_q = netdev_get_tx_queue(dp->netdev, qidx);
nr_frags = skb_shinfo(skb)->nr_frags;
if (unlikely(nfp_net_tx_full(tx_ring, nr_frags + 1))) {
nn_dp_warn(dp, "TX ring %d busy. wrp=%u rdp=%u\n",
qidx, tx_ring->wr_p, tx_ring->rd_p);
+ nd_q = netdev_get_tx_queue(dp->netdev, qidx);
netif_tx_stop_queue(nd_q);
nfp_net_tx_xmit_more_flush(tx_ring);
u64_stats_update_begin(&r_vec->tx_sync);
@@ -894,6 +894,8 @@ static int nfp_net_tx(struct sk_buff *skb, struct net_device *netdev)
skb_tx_timestamp(skb);
+ nd_q = netdev_get_tx_queue(dp->netdev, tx_ring->idx);
+
tx_ring->wr_p += nr_frags + 1;
if (nfp_net_tx_ring_should_stop(tx_ring))
nfp_net_tx_ring_stop(nd_q, tx_ring);