diff options
| author | David S. Miller <davem@davemloft.net> | 2010-07-07 15:59:38 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-07 15:59:38 -0700 |
| commit | 597e608a8492d662736c9bc6aa507dbf1cadc17d (patch) | |
| tree | 6c330cdd0a4809f67dd191b37e34f5b4318cef78 /drivers/net/mv643xx_eth.c | |
| parent | acbc0f039ff4b93da737c91937b7c70018ded39f (diff) | |
| parent | 33b665eeeb85956ccbdf31c4c31a4e2a31133c44 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/net/mv643xx_eth.c')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 82b720f29c7..af075af20e0 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -289,6 +289,7 @@ struct mv643xx_eth_shared_private { unsigned int t_clk; int extended_rx_coal_limit; int tx_bw_control; + int tx_csum_limit; }; #define TX_BW_CONTROL_ABSENT 0 @@ -776,13 +777,16 @@ static int txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb) l4i_chk = 0; if (skb->ip_summed == CHECKSUM_PARTIAL) { + int hdr_len; int tag_bytes; BUG_ON(skb->protocol != htons(ETH_P_IP) && skb->protocol != htons(ETH_P_8021Q)); - tag_bytes = (void *)ip_hdr(skb) - (void *)skb->data - ETH_HLEN; - if (unlikely(tag_bytes & ~12)) { + hdr_len = (void *)ip_hdr(skb) - (void *)skb->data; + tag_bytes = hdr_len - ETH_HLEN; + if (skb->len - hdr_len > mp->shared->tx_csum_limit || + unlikely(tag_bytes & ~12)) { if (skb_checksum_help(skb) == 0) goto no_csum; kfree_skb(skb); @@ -2671,6 +2675,7 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev) * Detect hardware parameters. */ msp->t_clk = (pd != NULL && pd->t_clk != 0) ? pd->t_clk : 133000000; + msp->tx_csum_limit = pd->tx_csum_limit ? pd->tx_csum_limit : 9 * 1024; infer_hw_params(msp); platform_set_drvdata(pdev, msp); |