diff options
| author | Zhu Yanjun <yanjun.zhu@oracle.com> | 2018-01-04 23:06:39 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-08 14:15:15 -0500 |
| commit | 64f26abb17ca2e55ab584352ca4d68cf42c8c102 (patch) | |
| tree | e2bc4439bc5f80a4a3be9e719570f49a7de3d68a /drivers/net/ethernet/nvidia | |
| parent | c8c9aeb519496f403563c715616dfc2a921a7eae (diff) | |
| download | linux-stable-64f26abb17ca2e55ab584352ca4d68cf42c8c102.tar.gz linux-stable-64f26abb17ca2e55ab584352ca4d68cf42c8c102.tar.bz2 linux-stable-64f26abb17ca2e55ab584352ca4d68cf42c8c102.zip | |
forcedeth: remove duplicate structure member in rx
Since both first_rx and rx_ring are the head of rx ring, it not
necessary to use two structure members to statically indicate
the head of rx ring. So first_rx is removed.
CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Joe Jin <joe.jin@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/nvidia')
| -rw-r--r-- | drivers/net/ethernet/nvidia/forcedeth.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index a79b9f814844..21e15cb2f62e 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -793,7 +793,7 @@ struct fe_priv { /* rx specific fields. * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); */ - union ring_type get_rx, put_rx, first_rx, last_rx; + union ring_type get_rx, put_rx, last_rx; struct nv_skb_map *get_rx_ctx, *put_rx_ctx; struct nv_skb_map *first_rx_ctx, *last_rx_ctx; struct nv_skb_map *rx_skb; @@ -1812,7 +1812,7 @@ static int nv_alloc_rx(struct net_device *dev) struct ring_desc *less_rx; less_rx = np->get_rx.orig; - if (less_rx-- == np->first_rx.orig) + if (less_rx-- == np->rx_ring.orig) less_rx = np->last_rx.orig; while (np->put_rx.orig != less_rx) { @@ -1833,7 +1833,7 @@ static int nv_alloc_rx(struct net_device *dev) wmb(); np->put_rx.orig->flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX_AVAIL); if (unlikely(np->put_rx.orig++ == np->last_rx.orig)) - np->put_rx.orig = np->first_rx.orig; + np->put_rx.orig = np->rx_ring.orig; if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx)) np->put_rx_ctx = np->first_rx_ctx; } else { @@ -1853,7 +1853,7 @@ static int nv_alloc_rx_optimized(struct net_device *dev) struct ring_desc_ex *less_rx; less_rx = np->get_rx.ex; - if (less_rx-- == np->first_rx.ex) + if (less_rx-- == np->rx_ring.ex) less_rx = np->last_rx.ex; while (np->put_rx.ex != less_rx) { @@ -1875,7 +1875,7 @@ static int nv_alloc_rx_optimized(struct net_device *dev) wmb(); np->put_rx.ex->flaglen = cpu_to_le32(np->rx_buf_sz | NV_RX2_AVAIL); if (unlikely(np->put_rx.ex++ == np->last_rx.ex)) - np->put_rx.ex = np->first_rx.ex; + np->put_rx.ex = np->rx_ring.ex; if (unlikely(np->put_rx_ctx++ == np->last_rx_ctx)) np->put_rx_ctx = np->first_rx_ctx; } else { @@ -1903,7 +1903,8 @@ static void nv_init_rx(struct net_device *dev) struct fe_priv *np = netdev_priv(dev); int i; - np->get_rx = np->put_rx = np->first_rx = np->rx_ring; + np->get_rx = np->rx_ring; + np->put_rx = np->rx_ring; if (!nv_optimized(np)) np->last_rx.orig = &np->rx_ring.orig[np->rx_ring_size-1]; @@ -2911,7 +2912,7 @@ static int nv_rx_process(struct net_device *dev, int limit) u64_stats_update_end(&np->swstats_rx_syncp); next_pkt: if (unlikely(np->get_rx.orig++ == np->last_rx.orig)) - np->get_rx.orig = np->first_rx.orig; + np->get_rx.orig = np->rx_ring.orig; if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx)) np->get_rx_ctx = np->first_rx_ctx; @@ -3000,7 +3001,7 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit) } next_pkt: if (unlikely(np->get_rx.ex++ == np->last_rx.ex)) - np->get_rx.ex = np->first_rx.ex; + np->get_rx.ex = np->rx_ring.ex; if (unlikely(np->get_rx_ctx++ == np->last_rx_ctx)) np->get_rx_ctx = np->first_rx_ctx; |