diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2009-11-13 13:03:39 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-15 22:14:41 -0800 |
| commit | 615774fe598f8ee971a8dfeb1f2ec4211241c433 (patch) | |
| tree | ce0568fe76b0496a4fa8b16d1d9956fdca3137fc | |
| parent | e849cdc309de4a1e49dc3c23c6c36da91b990c9f (diff) | |
| download | talos-obmc-linux-615774fe598f8ee971a8dfeb1f2ec4211241c433.tar.gz talos-obmc-linux-615774fe598f8ee971a8dfeb1f2ec4211241c433.zip | |
tg3: Use tg3_start_xmit_dma_bug for 5717 A0
The A0 revision of the 5717 has problems with short packet fragments.
It needs to use the tg3_start_xmit_dma_bug() routine.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tg3.c | 27 | ||||
| -rw-r--r-- | drivers/net/tg3.h | 1 |
2 files changed, 19 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 6831289baf2a..2d58406deb00 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -5454,7 +5454,12 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb, IPPROTO_TCP, 0); - if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) + if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) { + mss |= (hdr_len & 0xc) << 12; + if (hdr_len & 0x10) + base_flags |= 0x00000010; + base_flags |= (hdr_len & 0x3e0) << 5; + } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) mss |= hdr_len << 9; else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { @@ -5479,6 +5484,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb, (vlan_tx_tag_get(skb) << 16)); #endif + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 && + !mss && skb->len > ETH_DATA_LEN) + base_flags |= TXD_FLAG_JMB_PKT; + if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) { dev_kfree_skb(skb); goto out_unlock; @@ -12714,13 +12723,12 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) } } - if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) { - if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) - tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG; - else { - tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG; - tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG; - } + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) + tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG; + else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) { + tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG; + tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG; } if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) || @@ -14077,7 +14085,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, goto err_out_iounmap; } - if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS) + if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) && + tp->pci_chip_rev_id != CHIPREV_ID_5717_A0) dev->netdev_ops = &tg3_netdev_ops; else dev->netdev_ops = &tg3_netdev_ops_dma_bug; diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 5fe57603d1f0..e7916bdafab5 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -103,6 +103,7 @@ #define CHIPREV_ID_5906_A1 0xc001 #define CHIPREV_ID_57780_A0 0x57780000 #define CHIPREV_ID_57780_A1 0x57780001 +#define CHIPREV_ID_5717_A0 0x05717000 #define GET_ASIC_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 12) #define ASIC_REV_5700 0x07 #define ASIC_REV_5701 0x00 |
