diff options
| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2015-10-24 00:46:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-26 18:32:16 -0700 |
| commit | cb3685958dd4c46d7646d244063ea3ec8adf3618 (patch) | |
| tree | 16eda86dd6615678d8a9c9ee6784fabc6d1460e5 /drivers/net/ethernet/renesas/sh_eth.c | |
| parent | ab8579169b79c062935dade949287113c7c1ba73 (diff) | |
| download | lwn-cb3685958dd4c46d7646d244063ea3ec8adf3618.tar.gz lwn-cb3685958dd4c46d7646d244063ea3ec8adf3618.zip | |
sh_eth: fix RX buffer size calculation
The RX buffer size calulation failed to account for the length granularity
(which is now 32 bytes)...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/renesas/sh_eth.c')
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index d8334d8a53b3..a484d8beb855 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1127,7 +1127,7 @@ static void sh_eth_ring_format(struct net_device *ndev) struct sh_eth_txdesc *txdesc = NULL; int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring; int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring; - int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1; + int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; mdp->cur_rx = 0; @@ -1450,7 +1450,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota) struct sk_buff *skb; u16 pkt_len = 0; u32 desc_status; - int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1; + int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1; dma_addr_t dma_addr; boguscnt = min(boguscnt, *quota); |