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Date: Sat, 24 Oct 2015 00:46:40 +0300 From: Sergei Shtylyov <sergei.shtylyov@...entembedded.com> To: netdev@...r.kernel.org Cc: linux-sh@...r.kernel.org Subject: [PATCH 2/2] 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@...entembedded.com> --- drivers/net/ethernet/renesas/sh_eth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: net/drivers/net/ethernet/renesas/sh_eth.c =================================================================== --- net.orig/drivers/net/ethernet/renesas/sh_eth.c +++ net/drivers/net/ethernet/renesas/sh_eth.c @@ -1127,7 +1127,7 @@ static void sh_eth_ring_format(struct ne 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 * 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); -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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