diff options
| author |   Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2019-08-30 11:25:29 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-08-30 13:54:35 -0700 |
| commit | 489467e52486d483550ac3e3ed33dceb93b1e4a9 (patch) | |
| tree | 9915c829e9ce9c72f4d67b703d571d221ad4cf66 /drivers/net/ethernet/sgi/ioc3-eth.c | |
| parent | net: sgi: ioc3-eth: allocate space for desc rings only once (diff) | |
| download | linux-dev-489467e52486d483550ac3e3ed33dceb93b1e4a9.tar.xz linux-dev-489467e52486d483550ac3e3ed33dceb93b1e4a9.zip | |
net: sgi: ioc3-eth: get rid of ioc3_clean_rx_ring()
Move clearing of the descriptor valid bit into ioc3_alloc_rings. This
makes ioc3_clean_rx_ring obsolete.
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sgi/ioc3-eth.c')
| -rw-r--r-- | drivers/net/ethernet/sgi/ioc3-eth.c | 22 |
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index e84239734338..fe77e4d7732f 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -761,26 +761,6 @@ static void ioc3_mii_start(struct ioc3_private *ip) add_timer(&ip->ioc3_timer); } -static inline void ioc3_clean_rx_ring(struct ioc3_private *ip) -{ - struct ioc3_erxbuf *rxb; - struct sk_buff *skb; - int i; - - for (i = ip->rx_ci; i & 15; i++) { - ip->rx_skbs[ip->rx_pi] = ip->rx_skbs[ip->rx_ci]; - ip->rxr[ip->rx_pi++] = ip->rxr[ip->rx_ci++]; - } - ip->rx_pi &= RX_RING_MASK; - ip->rx_ci &= RX_RING_MASK; - - for (i = ip->rx_ci; i != ip->rx_pi; i = (i + 1) & RX_RING_MASK) { - skb = ip->rx_skbs[i]; - rxb = (struct ioc3_erxbuf *)(skb->data - RX_OFFSET); - rxb->w0 = 0; - } -} - static inline void ioc3_clean_tx_ring(struct ioc3_private *ip) { struct sk_buff *skb; @@ -838,6 +818,7 @@ static void ioc3_alloc_rings(struct net_device *dev) /* Because we reserve afterwards. */ skb_put(skb, (1664 + RX_OFFSET)); rxb = (struct ioc3_erxbuf *)skb->data; + rxb->w0 = 0; /* Clear valid flag */ ip->rxr[i] = cpu_to_be64(ioc3_map(rxb, 1)); skb_reserve(skb, RX_OFFSET); } @@ -857,7 +838,6 @@ static void ioc3_init_rings(struct net_device *dev) ioc3_free_rings(ip); ioc3_alloc_rings(dev); - ioc3_clean_rx_ring(ip); ioc3_clean_tx_ring(ip); /* Now the rx ring base, consume & produce registers. */ |