diff options
| -rw-r--r-- | drivers/net/tg3.c | 59 |
1 files changed, 50 insertions, 9 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 12ead83bd06..4d16ce05dba 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -9219,7 +9219,7 @@ static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam * static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) { struct tg3 *tp = netdev_priv(dev); - int irq_sync = 0, err = 0; + int i, irq_sync = 0, err = 0; if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) || (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) || @@ -9243,7 +9243,9 @@ static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *e tp->rx_pending > 63) tp->rx_pending = 63; tp->rx_jumbo_pending = ering->rx_jumbo_pending; - tp->napi[0].tx_pending = ering->tx_pending; + + for (i = 0; i < TG3_IRQ_MAX_VECS; i++) + tp->napi[i].tx_pending = ering->tx_pending; if (netif_running(dev)) { tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); @@ -13443,7 +13445,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, static int tg3_version_printed = 0; struct net_device *dev; struct tg3 *tp; - int err, pm_cap; + int i, err, pm_cap; + u32 sndmbx, rcvmbx, intmbx; char str[40]; u64 dma_mask, persist_dma_mask; @@ -13538,12 +13541,50 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tp->rx_pending = TG3_DEF_RX_RING_PENDING; tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING; - tp->napi[0].tp = tp; - tp->napi[0].int_mbox = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW; - tp->napi[0].consmbox = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW; - tp->napi[0].prodmbox = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW; - tp->napi[0].coal_now = HOSTCC_MODE_NOW; - tp->napi[0].tx_pending = TG3_DEF_TX_RING_PENDING; + intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW; + rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW; + sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW; + for (i = 0; i < TG3_IRQ_MAX_VECS; i++) { + struct tg3_napi *tnapi = &tp->napi[i]; + + tnapi->tp = tp; + tnapi->tx_pending = TG3_DEF_TX_RING_PENDING; + + tnapi->int_mbox = intmbx; + if (i < 4) + intmbx += 0x8; + else + intmbx += 0x4; + + tnapi->consmbox = rcvmbx; + tnapi->prodmbox = sndmbx; + + if (i) + tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1); + else + tnapi->coal_now = HOSTCC_MODE_NOW; + + if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX)) + break; + + /* + * If we support MSIX, we'll be using RSS. If we're using + * RSS, the first vector only handles link interrupts and the + * remaining vectors handle rx and tx interrupts. Reuse the + * mailbox values for the next iteration. The values we setup + * above are still useful for the single vectored mode. + */ + if (!i) + continue; + + rcvmbx += 0x8; + + if (sndmbx & 0x4) + sndmbx -= 0x4; + else + sndmbx += 0xc; + } + netif_napi_add(dev, &tp->napi[0].napi, tg3_poll, 64); dev->ethtool_ops = &tg3_ethtool_ops; dev->watchdog_timeo = TG3_TX_TIMEOUT; |