diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-03-11 02:29:53 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-03-11 02:29:53 +0000 |
| commit | ef31efe3528be08339430503d1502698b7a397eb (patch) | |
| tree | a3721ef4f3fcefd3ef2b2e90dbc798d59c5d7cb0 | |
| parent | 9c312dc5a352a863bac6f5db68b14d28592d00e4 (diff) | |
cns3xxx: ethernet - clean the tx ring before refilling the rx ring to reduce memory pressure
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35953 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c index 9c3618fd9..db15a2e2e 100644 --- a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c +++ b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c @@ -718,6 +718,10 @@ static int eth_poll(struct napi_struct *napi, int budget) enable_irq(IRQ_CNS3XXX_SW_R0RXC); } + spin_lock_bh(&tx_lock); + eth_complete_tx(sw); + spin_unlock_bh(&tx_lock); + cns3xxx_alloc_rx_buf(sw, received); rx_ring->cur_index = i; @@ -725,10 +729,6 @@ static int eth_poll(struct napi_struct *napi, int budget) wmb(); enable_rx_dma(sw); - spin_lock_bh(&tx_lock); - eth_complete_tx(sw); - spin_unlock_bh(&tx_lock); - return received; } |