diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 676 |
1 files changed, 529 insertions, 147 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 951b73cf5ca2..45e3532b166f 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -45,12 +45,13 @@ #include "ixgbe.h" #include "ixgbe_common.h" #include "ixgbe_dcb_82599.h" +#include "ixgbe_sriov.h" char ixgbe_driver_name[] = "ixgbe"; static const char ixgbe_driver_string[] = "Intel(R) 10 Gigabit PCI Express Network Driver"; -#define DRV_VERSION "2.0.44-k2" +#define DRV_VERSION "2.0.62-k2" const char ixgbe_driver_version[] = DRV_VERSION; static char ixgbe_copyright[] = "Copyright (c) 1999-2010 Intel Corporation."; @@ -67,7 +68,7 @@ static const struct ixgbe_info *ixgbe_info_tbl[] = { * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, * Class, Class Mask, private data (not used) } */ -static struct pci_device_id ixgbe_pci_tbl[] = { +static DEFINE_PCI_DEVICE_TABLE(ixgbe_pci_tbl) = { {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598), board_82598 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_DUAL_PORT), @@ -124,6 +125,13 @@ static struct notifier_block dca_notifier = { }; #endif +#ifdef CONFIG_PCI_IOV +static unsigned int max_vfs; +module_param(max_vfs, uint, 0); +MODULE_PARM_DESC(max_vfs, "Maximum number of virtual functions to allocate " + "per physical function"); +#endif /* CONFIG_PCI_IOV */ + MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver"); MODULE_LICENSE("GPL"); @@ -131,6 +139,41 @@ MODULE_VERSION(DRV_VERSION); #define DEFAULT_DEBUG_LEVEL_SHIFT 3 +static inline void ixgbe_disable_sriov(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 gcr; + u32 gpie; + u32 vmdctl; + +#ifdef CONFIG_PCI_IOV + /* disable iov and allow time for transactions to clear */ + pci_disable_sriov(adapter->pdev); +#endif + + /* turn off device IOV mode */ + gcr = IXGBE_READ_REG(hw, IXGBE_GCR_EXT); + gcr &= ~(IXGBE_GCR_EXT_SRIOV); + IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, gcr); + gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); + gpie &= ~IXGBE_GPIE_VTMODE_MASK; + IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); + + /* set default pool back to 0 */ + vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); + vmdctl &= ~IXGBE_VT_CTL_POOL_MASK; + IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl); + + /* take a breather then clean up driver data */ + msleep(100); + if (adapter->vfinfo) + kfree(adapter->vfinfo); + adapter->vfinfo = NULL; + + adapter->num_vfs = 0; + adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; +} + static void ixgbe_release_hw_control(struct ixgbe_adapter *adapter) { u32 ctrl_ext; @@ -451,7 +494,7 @@ static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter, { u32 rxctrl; int cpu = get_cpu(); - int q = rx_ring - adapter->rx_ring; + int q = rx_ring->reg_idx; if (rx_ring->cpu != cpu) { rxctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_DCA_RXCTRL(q)); @@ -479,7 +522,7 @@ static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter, { u32 txctrl; int cpu = get_cpu(); - int q = tx_ring - adapter->tx_ring; + int q = tx_ring->reg_idx; struct ixgbe_hw *hw = &adapter->hw; if (tx_ring->cpu != cpu) { @@ -513,12 +556,12 @@ static void ixgbe_setup_dca(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_CTRL, 2); for (i = 0; i < adapter->num_tx_queues; i++) { - adapter->tx_ring[i].cpu = -1; - ixgbe_update_tx_dca(adapter, &adapter->tx_ring[i]); + adapter->tx_ring[i]->cpu = -1; + ixgbe_update_tx_dca(adapter, adapter->tx_ring[i]); } for (i = 0; i < adapter->num_rx_queues; i++) { - adapter->rx_ring[i].cpu = -1; - ixgbe_update_rx_dca(adapter, &adapter->rx_ring[i]); + adapter->rx_ring[i]->cpu = -1; + ixgbe_update_rx_dca(adapter, adapter->rx_ring[i]); } } @@ -775,6 +818,12 @@ static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb, return skb; } +struct ixgbe_rsc_cb { + dma_addr_t dma; +}; + +#define IXGBE_RSC_CB(skb) ((struct ixgbe_rsc_cb *)(skb)->cb) + static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, struct ixgbe_ring *rx_ring, int *work_done, int work_to_do) @@ -806,6 +855,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, break; (*work_done)++; + rmb(); /* read descriptor and rx_buffer_info after status DD */ if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) { hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc)); len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >> @@ -823,9 +873,21 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, rx_buffer_info->skb = NULL; if (rx_buffer_info->dma) { - pci_unmap_single(pdev, rx_buffer_info->dma, - rx_ring->rx_buf_len, - PCI_DMA_FROMDEVICE); + if ((adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) && + (!(staterr & IXGBE_RXD_STAT_EOP)) && + (!(skb->prev))) + /* + * When HWRSC is enabled, delay unmapping + * of the first packet. It carries the + * header information, HW may still + * access the header after the writeback. + * Only unmap it when EOP is reached + */ + IXGBE_RSC_CB(skb)->dma = rx_buffer_info->dma; + else + pci_unmap_single(pdev, rx_buffer_info->dma, + rx_ring->rx_buf_len, + PCI_DMA_FROMDEVICE); rx_buffer_info->dma = 0; skb_put(skb, len); } @@ -873,6 +935,10 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, if (skb->prev) skb = ixgbe_transform_rsc_queue(skb, &(rx_ring->rsc_count)); if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) { + if (IXGBE_RSC_CB(skb)->dma) + pci_unmap_single(pdev, IXGBE_RSC_CB(skb)->dma, + rx_ring->rx_buf_len, + PCI_DMA_FROMDEVICE); if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED) rx_ring->rsc_count += skb_shinfo(skb)->nr_frags; else @@ -989,7 +1055,7 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter) adapter->num_rx_queues); for (i = 0; i < q_vector->rxr_count; i++) { - j = adapter->rx_ring[r_idx].reg_idx; + j = adapter->rx_ring[r_idx]->reg_idx; ixgbe_set_ivar(adapter, 0, j, v_idx); r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, @@ -999,7 +1065,7 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter) adapter->num_tx_queues); for (i = 0; i < q_vector->txr_count; i++) { - j = adapter->tx_ring[r_idx].reg_idx; + j = adapter->tx_ring[r_idx]->reg_idx; ixgbe_set_ivar(adapter, 1, j, v_idx); r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, @@ -1025,7 +1091,12 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter) /* set up to autoclear timer, and the vectors */ mask = IXGBE_EIMS_ENABLE_MASK; - mask &= ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC); + if (adapter->num_vfs) + mask &= ~(IXGBE_EIMS_OTHER | + IXGBE_EIMS_MAILBOX | + IXGBE_EIMS_LSC); + else + mask &= ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC); IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC, mask); } @@ -1134,7 +1205,7 @@ static void ixgbe_set_itr_msix(struct ixgbe_q_vector *q_vector) r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); for (i = 0; i < q_vector->txr_count; i++) { - tx_ring = &(adapter->tx_ring[r_idx]); + tx_ring = adapter->tx_ring[r_idx]; ret_itr = ixgbe_update_itr(adapter, q_vector->eitr, q_vector->tx_itr, tx_ring->total_packets, @@ -1149,7 +1220,7 @@ static void ixgbe_set_itr_msix(struct ixgbe_q_vector *q_vector) r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); for (i = 0; i < q_vector->rxr_count; i++) { - rx_ring = &(adapter->rx_ring[r_idx]); + rx_ring = adapter->rx_ring[r_idx]; ret_itr = ixgbe_update_itr(adapter, q_vector->eitr, q_vector->rx_itr, rx_ring->total_packets, @@ -1254,6 +1325,9 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data) if (eicr & IXGBE_EICR_LSC) ixgbe_check_lsc(adapter); + if (eicr & IXGBE_EICR_MAILBOX) + ixgbe_msg_task(adapter); + if (hw->mac.type == ixgbe_mac_82598EB) ixgbe_check_fan_failure(adapter, eicr); @@ -1268,7 +1342,7 @@ static irqreturn_t ixgbe_msix_lsc(int irq, void *data) netif_tx_stop_all_queues(netdev); for (i = 0; i < adapter->num_tx_queues; i++) { struct ixgbe_ring *tx_ring = - &adapter->tx_ring[i]; + adapter->tx_ring[i]; if (test_and_clear_bit(__IXGBE_FDIR_INIT_DONE, &tx_ring->reinit_state)) schedule_work(&adapter->fdir_reinit_task); @@ -1327,7 +1401,7 @@ static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data) r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); for (i = 0; i < q_vector->txr_count; i++) { - tx_ring = &(adapter->tx_ring[r_idx]); + tx_ring = adapter->tx_ring[r_idx]; tx_ring->total_bytes = 0; tx_ring->total_packets = 0; r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, @@ -1355,7 +1429,7 @@ static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data) r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); for (i = 0; i < q_vector->rxr_count; i++) { - rx_ring = &(adapter->rx_ring[r_idx]); + rx_ring = adapter->rx_ring[r_idx]; rx_ring->total_bytes = 0; rx_ring->total_packets = 0; r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, @@ -1385,7 +1459,7 @@ static irqreturn_t ixgbe_msix_clean_many(int irq, void *data) r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); for (i = 0; i < q_vector->txr_count; i++) { - ring = &(adapter->tx_ring[r_idx]); + ring = adapter->tx_ring[r_idx]; ring->total_bytes = 0; ring->total_packets = 0; r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, @@ -1394,7 +1468,7 @@ static irqreturn_t ixgbe_msix_clean_many(int irq, void *data) r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); for (i = 0; i < q_vector->rxr_count; i++) { - ring = &(adapter->rx_ring[r_idx]); + ring = adapter->rx_ring[r_idx]; ring->total_bytes = 0; ring->total_packets = 0; r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, @@ -1425,7 +1499,7 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget) long r_idx; r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - rx_ring = &(adapter->rx_ring[r_idx]); + rx_ring = adapter->rx_ring[r_idx]; #ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_rx_dca(adapter, rx_ring); @@ -1466,7 +1540,7 @@ static int ixgbe_clean_rxtx_many(struct napi_struct *napi, int budget) r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); for (i = 0; i < q_vector->txr_count; i++) { - ring = &(adapter->tx_ring[r_idx]); + ring = adapter->tx_ring[r_idx]; #ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_tx_dca(adapter, ring); @@ -1482,7 +1556,7 @@ static int ixgbe_clean_rxtx_many(struct napi_struct *napi, int budget) budget = max(budget, 1); r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); for (i = 0; i < q_vector->rxr_count; i++) { - ring = &(adapter->rx_ring[r_idx]); + ring = adapter->rx_ring[r_idx]; #ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_rx_dca(adapter, ring); @@ -1493,7 +1567,7 @@ static int ixgbe_clean_rxtx_many(struct napi_struct *napi, int budget) } r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); - ring = &(adapter->rx_ring[r_idx]); + ring = adapter->rx_ring[r_idx]; /* If all Rx work done, exit the polling mode */ if (work_done < budget) { napi_complete(napi); @@ -1526,7 +1600,7 @@ static int ixgbe_clean_txonly(struct napi_struct *napi, int budget) long r_idx; r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); - tx_ring = &(adapter->tx_ring[r_idx]); + tx_ring = adapter->tx_ring[r_idx]; #ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) ixgbe_update_tx_dca(adapter, tx_ring); @@ -1711,8 +1785,8 @@ static void ixgbe_set_itr(struct ixgbe_adapter *adapter) struct ixgbe_q_vector *q_vector = adapter->q_vector[0]; u8 current_itr; u32 new_itr = q_vector->eitr; - struct ixgbe_ring *rx_ring = &adapter->rx_ring[0]; - struct ixgbe_ring *tx_ring = &adapter->tx_ring[0]; + struct ixgbe_ring *rx_ring = adapter->rx_ring[0]; + struct ixgbe_ring *tx_ring = adapter->tx_ring[0]; q_vector->tx_itr = ixgbe_update_itr(adapter, new_itr, q_vector->tx_itr, @@ -1768,6 +1842,8 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter) mask |= IXGBE_EIMS_ECC; mask |= IXGBE_EIMS_GPI_SDP1; mask |= IXGBE_EIMS_GPI_SDP2; + if (adapter->num_vfs) + mask |= IXGBE_EIMS_MAILBOX; } if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) @@ -1776,6 +1852,11 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask); ixgbe_irq_enable_queues(adapter, ~0); IXGBE_WRITE_FLUSH(&adapter->hw); + + if (adapter->num_vfs > 32) { + u32 eitrsel = (1 << (adapter->num_vfs - 32)) - 1; + IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, eitrsel); + } } /** @@ -1817,10 +1898,10 @@ static irqreturn_t ixgbe_intr(int irq, void *data) ixgbe_check_fan_failure(adapter, eicr); if (napi_schedule_prep(&(q_vector->napi))) { - adapter->tx_ring[0].total_packets = 0; - adapter->tx_ring[0].total_bytes = 0; - adapter->rx_ring[0].total_packets = 0; - adapter->rx_ring[0].total_bytes = 0; + adapter->tx_ring[0]->total_packets = 0; + adapter->tx_ring[0]->total_bytes = 0; + adapter->rx_ring[0]->total_packets = 0; + adapter->rx_ring[0]->total_bytes = 0; /* would disable interrupts here but EIAM disabled it */ __napi_schedule(&(q_vector->napi)); } @@ -1905,6 +1986,8 @@ static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000); IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0); IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0); + if (adapter->num_vfs > 32) + IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, 0); } IXGBE_WRITE_FLUSH(&adapter->hw); if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { @@ -1950,7 +2033,7 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter) /* Setup the HW Tx Head and Tail descriptor pointers */ for (i = 0; i < adapter->num_tx_queues; i++) { - struct ixgbe_ring *ring = &adapter->tx_ring[i]; + struct ixgbe_ring *ring = adapter->tx_ring[i]; j = ring->reg_idx; tdba = ring->dma; tdlen = ring->count * sizeof(union ixgbe_adv_tx_desc); @@ -1960,8 +2043,8 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_TDLEN(j), tdlen); IXGBE_WRITE_REG(hw, IXGBE_TDH(j), 0); IXGBE_WRITE_REG(hw, IXGBE_TDT(j), 0); - adapter->tx_ring[i].head = IXGBE_TDH(j); - adapter->tx_ring[i].tail = IXGBE_TDT(j); + adapter->tx_ring[i]->head = IXGBE_TDH(j); + adapter->tx_ring[i]->tail = IXGBE_TDT(j); /* * Disable Tx Head Writeback RO bit, since this hoses * bookkeeping if things aren't delivered in order. @@ -1989,18 +2072,32 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter) if (hw->mac.type == ixgbe_mac_82599EB) { u32 rttdcs; + u32 mask; /* disable the arbiter while setting MTQC */ rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS); rttdcs |= IXGBE_RTTDCS_ARBDIS; IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs); - /* We enable 8 traffic classes, DCB only */ - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) - IXGBE_WRITE_REG(hw, IXGBE_MTQC, (IXGBE_MTQC_RT_ENA | - IXGBE_MTQC_8TC_8TQ)); - else + /* set transmit pool layout */ + mask = (IXGBE_FLAG_SRIOV_ENABLED | IXGBE_FLAG_DCB_ENABLED); + switch (adapter->flags & mask) { + + case (IXGBE_FLAG_SRIOV_ENABLED): + IXGBE_WRITE_REG(hw, IXGBE_MTQC, + (IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF)); + break; + + case (IXGBE_FLAG_DCB_ENABLED): + /* We enable 8 traffic classes, DCB only */ + IXGBE_WRITE_REG(hw, IXGBE_MTQC, + (IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ)); + break; + + default: IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB); + break; + } /* re-eable the arbiter */ rttdcs &= ~IXGBE_RTTDCS_ARBDIS; @@ -2059,12 +2156,16 @@ static u32 ixgbe_setup_mrqc(struct ixgbe_adapter *adapter) #ifdef CONFIG_IXGBE_DCB | IXGBE_FLAG_DCB_ENABLED #endif + | IXGBE_FLAG_SRIOV_ENABLED ); switch (mask) { case (IXGBE_FLAG_RSS_ENABLED): mrqc = IXGBE_MRQC_RSSEN; break; + case (IXGBE_FLAG_SRIOV_ENABLED): + mrqc = IXGBE_MRQC_VMDQEN; + break; #ifdef CONFIG_IXGBE_DCB case (IXGBE_FLAG_DCB_ENABLED): mrqc = IXGBE_MRQC_RT8TCEN; @@ -2090,7 +2191,7 @@ static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, int index) u32 rscctrl; int rx_buf_len; - rx_ring = &adapter->rx_ring[index]; + rx_ring = adapter->rx_ring[index]; j = rx_ring->reg_idx; rx_buf_len = rx_ring->rx_buf_len; rscctrl = IXGBE_READ_REG(hw, IXGBE_RSCCTL(j)); @@ -2145,7 +2246,9 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) int rx_buf_len; /* Decide whether to use packet split mode or not */ - adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED; + /* Do not use packet split if we're in SR-IOV Mode */ + if (!adapter->num_vfs) + adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED; /* Set the RX buffer length according to the mode */ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) { @@ -2157,7 +2260,9 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) IXGBE_PSRTYPE_IPV4HDR | IXGBE_PSRTYPE_IPV6HDR | IXGBE_PSRTYPE_L2HDR; - IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(0), psrtype); + IXGBE_WRITE_REG(hw, + IXGBE_PSRTYPE(adapter->num_vfs), + psrtype); } } else { if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) && @@ -2184,7 +2289,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) #endif IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0); - rdlen = adapter->rx_ring[0].count * sizeof(union ixgbe_adv_rx_desc); + rdlen = adapter->rx_ring[0]->count * sizeof(union ixgbe_adv_rx_desc); /* disable receives while setting up the descriptors */ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl & ~IXGBE_RXCTRL_RXEN); @@ -2194,7 +2299,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) * the Base and Length of the Rx Descriptor Ring */ for (i = 0; i < adapter->num_rx_queues; i++) { - rx_ring = &adapter->rx_ring[i]; + rx_ring = adapter->rx_ring[i]; rdba = rx_ring->dma; j = rx_ring->reg_idx; IXGBE_WRITE_REG(hw, IXGBE_RDBAL(j), (rdba & DMA_BIT_MASK(32))); @@ -2243,6 +2348,30 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl); } + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { + u32 vt_reg_bits; + u32 reg_offset, vf_shift; + u32 vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); + vt_reg_bits = IXGBE_VMD_CTL_VMDQ_EN + | IXGBE_VT_CTL_REPLEN; + vt_reg_bits |= (adapter->num_vfs << + IXGBE_VT_CTL_POOL_SHIFT); + IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits); + IXGBE_WRITE_REG(hw, IXGBE_MRQC, 0); + + vf_shift = adapter->num_vfs % 32; + reg_offset = adapter->num_vfs / 32; + IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0); + IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0); + IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0); + /* Enable only the PF's pool for Tx/Rx */ + IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift)); + IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), (1 << vf_shift)); + IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); + ixgbe_set_vmolr(hw, adapter->num_vfs); + } + /* Program MRQC for the distribution of queues */ mrqc = ixgbe_setup_mrqc(adapter); @@ -2274,6 +2403,20 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) } IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc); + if (adapter->num_vfs) { + u32 reg; + + /* Map PF MAC address in RAR Entry 0 to first pool + * following VFs */ + hw->mac.ops.set_vmdq(hw, 0, adapter->num_vfs); + + /* Set up VF register offsets for selected VT Mode, i.e. + * 64 VFs for SR-IOV */ + reg = IXGBE_READ_REG(hw, IXGBE_GCR_EXT); + reg |= IXGBE_GCR_EXT_SRIOV; + IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, reg); + } + rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM); if (adapter->flags & IXGBE_FLAG_RSS_ENABLED || @@ -2312,15 +2455,17 @@ static void ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; + int pool_ndx = adapter->num_vfs; /* add VID to filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, 0, true); + hw->mac.ops.set_vfta(&adapter->hw, vid, pool_ndx, true); } static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; + int pool_ndx = adapter->num_vfs; if (!test_bit(__IXGBE_DOWN, &adapter->state)) ixgbe_irq_disable(adapter); @@ -2331,7 +2476,7 @@ static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) ixgbe_irq_enable(adapter); /* remove VID from filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, 0, false); + hw->mac.ops.set_vfta(&adapter->hw, vid, pool_ndx, false); } static void ixgbe_vlan_rx_register(struct net_device *netdev, @@ -2361,7 +2506,7 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev, } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) { for (i = 0; i < adapter->num_rx_queues; i++) { u32 ctrl; - j = adapter->rx_ring[i].reg_idx; + j = adapter->rx_ring[i]->reg_idx; ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(j)); ctrl |= IXGBE_RXDCTL_VME; IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(j), ctrl); @@ -2414,7 +2559,7 @@ static u8 *ixgbe_addr_list_itr(struct ixgbe_hw *hw, u8 **mc_addr_ptr, u32 *vmdq) * responsible for configuring the hardware for proper unicast, multicast and * promiscuous mode. **/ -static void ixgbe_set_rx_mode(struct net_device *netdev) +void ixgbe_set_rx_mode(struct net_device *netdev) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; @@ -2446,14 +2591,16 @@ static void ixgbe_set_rx_mode(struct net_device *netdev) IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); /* reprogram secondary unicast list */ - hw->mac.ops.update_uc_addr_list(hw, &netdev->uc.list); + hw->mac.ops.update_uc_addr_list(hw, netdev); /* reprogram multicast list */ - addr_count = netdev->mc_count; + addr_count = netdev_mc_count(netdev); if (addr_count) addr_list = netdev->mc_list->dmi_addr; hw->mac.ops.update_mc_addr_list(hw, addr_list, addr_count, ixgbe_addr_list_itr); + if (adapter->num_vfs) + ixgbe_restore_vf_multicasts(adapter); } static void ixgbe_napi_enable_all(struct ixgbe_adapter *adapter) @@ -2522,7 +2669,7 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) ixgbe_dcb_hw_config(&adapter->hw, &adapter->dcb_cfg); for (i = 0; i < adapter->num_tx_queues; i++) { - j = adapter->tx_ring[i].reg_idx; + j = adapter->tx_ring[i]->reg_idx; txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j)); /* PThresh workaround for Tx hang with DFP enabled. */ txdctl |= 32; @@ -2539,7 +2686,7 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) vlnctrl &= ~IXGBE_VLNCTRL_CFIEN; IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); for (i = 0; i < adapter->num_rx_queues; i++) { - j = adapter->rx_ring[i].reg_idx; + j = adapter->rx_ring[i]->reg_idx; vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j)); vlnctrl |= IXGBE_RXDCTL_VME; IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl); @@ -2579,7 +2726,7 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter) #endif /* IXGBE_FCOE */ if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) { for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i].atr_sample_rate = + adapter->tx_ring[i]->atr_sample_rate = adapter->atr_sample_rate; ixgbe_init_fdir_signature_82599(hw, adapter->fdir_pballoc); } else if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) { @@ -2589,8 +2736,8 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter) ixgbe_configure_tx(adapter); ixgbe_configure_rx(adapter); for (i = 0; i < adapter->num_rx_queues; i++) - ixgbe_alloc_rx_buffers(adapter, &adapter->rx_ring[i], - (adapter->rx_ring[i].count - 1)); + ixgbe_alloc_rx_buffers(adapter, adapter->rx_ring[i], + (adapter->rx_ring[i]->count - 1)); } static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw) @@ -2673,7 +2820,7 @@ link_cfg_out: static inline void ixgbe_rx_desc_queue_enable(struct ixgbe_adapter *adapter, int rxr) { - int j = adapter->rx_ring[rxr].reg_idx; + int j = adapter->rx_ring[rxr]->reg_idx; int k; for (k = 0; k < IXGBE_MAX_RX_DESC_POLL; k++) { @@ -2687,8 +2834,8 @@ static inline void ixgbe_rx_desc_queue_enable(struct ixgbe_adapter *adapter, DPRINTK(DRV, ERR, "RXDCTL.ENABLE on Rx queue %d " "not set within the polling period\n", rxr); } - ixgbe_release_rx_desc(&adapter->hw, &adapter->rx_ring[rxr], - (adapter->rx_ring[rxr].count - 1)); + ixgbe_release_rx_desc(&adapter->hw, adapter->rx_ring[rxr], + (adapter->rx_ring[rxr]->count - 1)); } static int ixgbe_up_complete(struct ixgbe_adapter *adapter) @@ -2702,6 +2849,7 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) u32 txdctl, rxdctl, mhadd; u32 dmatxctl; u32 gpie; + u32 ctrl_ext; ixgbe_get_hw_control(adapter); @@ -2714,6 +2862,10 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) /* MSI only */ gpie = 0; } + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { + gpie &= ~IXGBE_GPIE_VTMODE_MASK; + gpie |= IXGBE_GPIE_VTMODE_64; + } /* XXX: to interrupt immediately for EICS writes, enable this */ /* gpie |= IXGBE_GPIE_EIMEN; */ IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); @@ -2770,7 +2922,7 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) } for (i = 0; i < adapter->num_tx_queues; i++) { - j = adapter->tx_ring[i].reg_idx; + j = adapter->tx_ring[i]->reg_idx; txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j)); /* enable WTHRESH=8 descriptors, to encourage burst writeback */ txdctl |= (8 << 16); @@ -2784,14 +2936,26 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl); } for (i = 0; i < adapter->num_tx_queues; i++) { - j = adapter->tx_ring[i].reg_idx; + j = adapter->tx_ring[i]->reg_idx; txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j)); txdctl |= IXGBE_TXDCTL_ENABLE; IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(j), txdctl); + if (hw->mac.type == ixgbe_mac_82599EB) { + int wait_loop = 10; + /* poll for Tx Enable ready */ + do { + msleep(1); + txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j)); + } while (--wait_loop && + !(txdctl & IXGBE_TXDCTL_ENABLE)); + if (!wait_loop) + DPRINTK(DRV, ERR, "Could not enable " + "Tx Queue %d\n", j); + } } for (i = 0; i < num_rx_rings; i++) { - j = adapter->rx_ring[i].reg_idx; + j = adapter->rx_ring[i]->reg_idx; rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j)); /* enable PTHRESH=32 descriptors (half the internal cache) * and HTHRESH=0 descriptors (to minimize latency on fetch), @@ -2865,7 +3029,7 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) for (i = 0; i < adapter->num_tx_queues; i++) set_bit(__IXGBE_FDIR_INIT_DONE, - &(adapter->tx_ring[i].reinit_state)); + &(adapter->tx_ring[i]->reinit_state)); /* enable transmits */ netif_tx_start_all_queues(netdev); @@ -2875,6 +3039,12 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE; adapter->link_check_timeout = jiffies; mod_timer(&adapter->watchdog_timer, jiffies); + + /* Set PF Reset Done bit so PF/VF Mail Ops can work */ + ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT); + ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD; + IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext); + return 0; } @@ -2923,7 +3093,8 @@ void ixgbe_reset(struct ixgbe_adapter *adapter) } /* reprogram the RAR[0] in case user changed it. */ - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); + hw->mac.ops.set_rar(hw, 0, hw->mac.addr, adapter->num_vfs, + IXGBE_RAH_AV); } /** @@ -2955,6 +3126,10 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter, rx_buffer_info->skb = NULL; do { struct sk_buff *this = skb; + if (IXGBE_RSC_CB(this)->dma) + pci_unmap_single(pdev, IXGBE_RSC_CB(this)->dma, + rx_ring->rx_buf_len, + PCI_DMA_FROMDEVICE); skb = skb->prev; dev_kfree_skb(this); } while (skb); @@ -3029,7 +3204,7 @@ static void ixgbe_clean_all_rx_rings(struct ixgbe_adapter *adapter) int i; for (i = 0; i < adapter->num_rx_queues; i++) - ixgbe_clean_rx_ring(adapter, &adapter->rx_ring[i]); + ixgbe_clean_rx_ring(adapter, adapter->rx_ring[i]); } /** @@ -3041,7 +3216,7 @@ static void ixgbe_clean_all_tx_rings(struct ixgbe_adapter *adapter) int i; for (i = 0; i < adapter->num_tx_queues; i++) - ixgbe_clean_tx_ring(adapter, &adapter->tx_ring[i]); + ixgbe_clean_tx_ring(adapter, adapter->tx_ring[i]); } void ixgbe_down(struct ixgbe_adapter *adapter) @@ -3055,6 +3230,17 @@ void ixgbe_down(struct ixgbe_adapter *adapter) /* signal that we are down to the interrupt handler */ set_bit(__IXGBE_DOWN, &adapter->state); + /* disable receive for all VFs and wait one second */ + if (adapter->num_vfs) { + for (i = 0 ; i < adapter->num_vfs; i++) + adapter->vfinfo[i].clear_to_send = 0; + + /* ping all the active vfs to let them know we are going down */ + ixgbe_ping_all_vfs(adapter); + /* Disable all VFTE/VFRE TX/RX */ + ixgbe_disable_tx_rx(adapter); + } + /* disable receives */ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl & ~IXGBE_RXCTRL_RXEN); @@ -3081,7 +3267,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter) /* disable transmits in the hardware now that interrupts are off */ for (i = 0; i < adapter->num_tx_queues; i++) { - j = adapter->tx_ring[i].reg_idx; + j = adapter->tx_ring[i]->reg_idx; txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(j)); IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(j), (txdctl & ~IXGBE_TXDCTL_ENABLE)); @@ -3094,6 +3280,9 @@ void ixgbe_down(struct ixgbe_adapter *adapter) netif_carrier_off(netdev); + /* clear n-tuple filters that are cached */ + ethtool_ntuple_flush(netdev); + if (!pci_channel_offline(adapter->pdev)) ixgbe_reset(adapter); ixgbe_clean_all_tx_rings(adapter); @@ -3121,13 +3310,13 @@ static int ixgbe_poll(struct napi_struct *napi, int budget) #ifdef CONFIG_IXGBE_DCA if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) { - ixgbe_update_tx_dca(adapter, adapter->tx_ring); - ixgbe_update_rx_dca(adapter, adapter->rx_ring); + ixgbe_update_tx_dca(adapter, adapter->tx_ring[0]); + ixgbe_update_rx_dca(adapter, adapter->rx_ring[0]); } #endif - tx_clean_complete = ixgbe_clean_tx_irq(q_vector, adapter->tx_ring); - ixgbe_clean_rx_irq(q_vector, adapter->rx_ring, &work_done, budget); + tx_clean_complete = ixgbe_clean_tx_irq(q_vector, adapter->tx_ring[0]); + ixgbe_clean_rx_irq(q_vector, adapter->rx_ring[0], &work_done, budget); if (!tx_clean_complete) work_done = budget; @@ -3291,6 +3480,19 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter) } #endif /* IXGBE_FCOE */ +/** + * ixgbe_set_sriov_queues: Allocate queues for IOV use + * @adapter: board private structure to initialize + * + * IOV doesn't actually use anything, so just NAK the + * request for now and let the other queue routines + * figure out what to do. + */ +static inline bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter) +{ + return false; +} + /* * ixgbe_set_num_queues: Allocate queues for device, feature dependant * @adapter: board private structure to initialize @@ -3304,6 +3506,15 @@ static inline bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter) **/ static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter) { + /* Start with base case */ + adapter->num_rx_queues = 1; + adapter->num_tx_queues = 1; + adapter->num_rx_pools = adapter->num_rx_queues; + adapter->num_rx_queues_per_pool = 1; + + if (ixgbe_set_sriov_queues(adapter)) + return; + #ifdef IXGBE_FCOE if (ixgbe_set_fcoe_queues(adapter)) goto done; @@ -3393,9 +3604,9 @@ static inline bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter) if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) { for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i].reg_idx = i; + adapter->rx_ring[i]->reg_idx = i; for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i].reg_idx = i; + adapter->tx_ring[i]->reg_idx = i; ret = true; } else { ret = false; @@ -3422,8 +3633,8 @@ static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter) if (adapter->hw.mac.type == ixgbe_mac_82598EB) { /* the number of queues is assumed to be symmetric */ for (i = 0; i < dcb_i; i++) { - adapter->rx_ring[i].reg_idx = i << 3; - adapter->tx_ring[i].reg_idx = i << 2; + adapter->rx_ring[i]->reg_idx = i << 3; + adapter->tx_ring[i]->reg_idx = i << 2; } ret = true; } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) { @@ -3441,18 +3652,18 @@ static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter) * Rx TC0-TC7 are offset by 16 queues each */ for (i = 0; i < 3; i++) { - adapter->tx_ring[i].reg_idx = i << 5; - adapter->rx_ring[i].reg_idx = i << 4; + adapter->tx_ring[i]->reg_idx = i << 5; + adapter->rx_ring[i]->reg_idx = i << 4; } for ( ; i < 5; i++) { - adapter->tx_ring[i].reg_idx = + adapter->tx_ring[i]->reg_idx = ((i + 2) << 4); - adapter->rx_ring[i].reg_idx = i << 4; + adapter->rx_ring[i]->reg_idx = i << 4; } for ( ; i < dcb_i; i++) { - adapter->tx_ring[i].reg_idx = + adapter->tx_ring[i]->reg_idx = ((i + 8) << 3); - adapter->rx_ring[i].reg_idx = i << 4; + adapter->rx_ring[i]->reg_idx = i << 4; } ret = true; @@ -3465,12 +3676,12 @@ static inline bool ixgbe_cache_ring_dcb(struct ixgbe_adapter *adapter) * * Rx TC0-TC3 are offset by 32 queues each */ - adapter->tx_ring[0].reg_idx = 0; - adapter->tx_ring[1].reg_idx = 64; - adapter->tx_ring[2].reg_idx = 96; - adapter->tx_ring[3].reg_idx = 112; + adapter->tx_ring[0]->reg_idx = 0; + adapter->tx_ring[1]->reg_idx = 64; + adapter->tx_ring[2]->reg_idx = 96; + adapter->tx_ring[3]->reg_idx = 112; for (i = 0 ; i < dcb_i; i++) - adapter->rx_ring[i].reg_idx = i << 5; + adapter->rx_ring[i]->reg_idx = i << 5; ret = true; } else { @@ -3503,9 +3714,9 @@ static bool inline ixgbe_cache_ring_fdir(struct ixgbe_adapter *adapter) ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) || (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))) { for (i = 0; i < adapter->num_rx_queues; i++) - adapter->rx_ring[i].reg_idx = i; + adapter->rx_ring[i]->reg_idx = i; for (i = 0; i < adapter->num_tx_queues; i++) - adapter->tx_ring[i].reg_idx = i; + adapter->tx_ring[i]->reg_idx = i; ret = true; } @@ -3533,8 +3744,8 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter) ixgbe_cache_ring_dcb(adapter); /* find out queues in TC for FCoE */ - fcoe_rx_i = adapter->rx_ring[fcoe->tc].reg_idx + 1; - fcoe_tx_i = adapter->tx_ring[fcoe->tc].reg_idx + 1; + fcoe_rx_i = adapter->rx_ring[fcoe->tc]->reg_idx + 1; + fcoe_tx_i = adapter->tx_ring[fcoe->tc]->reg_idx + 1; /* * In 82599, the number of Tx queues for each traffic * class for both 8-TC and 4-TC modes are: @@ -3565,8 +3776,8 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter) fcoe_tx_i = f->mask; } for (i = 0; i < f->indices; i++, fcoe_rx_i++, fcoe_tx_i++) { - adapter->rx_ring[f->mask + i].reg_idx = fcoe_rx_i; - adapter->tx_ring[f->mask + i].reg_idx = fcoe_tx_i; + adapter->rx_ring[f->mask + i]->reg_idx = fcoe_rx_i; + adapter->tx_ring[f->mask + i]->reg_idx = fcoe_tx_i; } ret = true; } @@ -3575,6 +3786,24 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter) #endif /* IXGBE_FCOE */ /** + * ixgbe_cache_ring_sriov - Descriptor ring to register mapping for sriov + * @adapter: board private structure to initialize + * + * SR-IOV doesn't use any descriptor rings but changes the default if + * no other mapping is used. + * + */ +static inline bool ixgbe_cache_ring_sriov(struct ixgbe_adapter *adapter) +{ + adapter->rx_ring[0]->reg_idx = adapter->num_vfs * 2; + adapter->tx_ring[0]->reg_idx = adapter->num_vfs * 2; + if (adapter->num_vfs) + return true; + else + return false; +} + +/** * ixgbe_cache_ring_register - Descriptor ring to register mapping * @adapter: board private structure to initialize * @@ -3588,8 +3817,11 @@ static inline bool ixgbe_cache_ring_fcoe(struct ixgbe_adapter *adapter) static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) { /* start with default case */ - adapter->rx_ring[0].reg_idx = 0; - adapter->tx_ring[0].reg_idx = 0; + adapter->rx_ring[0]->reg_idx = 0; + adapter->tx_ring[0]->reg_idx = 0; + + if (ixgbe_cache_ring_sriov(adapter)) + return; #ifdef IXGBE_FCOE if (ixgbe_cache_ring_fcoe(adapter)) @@ -3619,33 +3851,63 @@ static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) static int ixgbe_alloc_queues(struct ixgbe_adapter *adapter) { int i; - - adapter->tx_ring = kcalloc(adapter->num_tx_queues, - sizeof(struct ixgbe_ring), GFP_KERNEL); - if (!adapter->tx_ring) - goto err_tx_ring_allocation; - - adapter->rx_ring = kcalloc(adapter->num_rx_queues, - sizeof(struct ixgbe_ring), GFP_KERNEL); - if (!adapter->rx_ring) - goto err_rx_ring_allocation; + int orig_node = adapter->node; for (i = 0; i < adapter->num_tx_queues; i++) { - adapter->tx_ring[i].count = adapter->tx_ring_count; - adapter->tx_ring[i].queue_index = i; + struct ixgbe_ring *ring = adapter->tx_ring[i]; + if (orig_node == -1) { + int cur_node = next_online_node(adapter->node); + if (cur_node == MAX_NUMNODES) + cur_node = first_online_node; + adapter->node = cur_node; + } + ring = kzalloc_node(sizeof(struct ixgbe_ring), GFP_KERNEL, + adapter->node); + if (!ring) + ring = kzalloc(sizeof(struct ixgbe_ring), GFP_KERNEL); + if (!ring) + goto err_tx_ring_allocation; + ring->count = adapter->tx_ring_count; + ring->queue_index = i; + ring->numa_node = adapter->node; + + adapter->tx_ring[i] = ring; } + /* Restore the adapter's original node */ + adapter->node = orig_node; + for (i = 0; i < adapter->num_rx_queues; i++) { - adapter->rx_ring[i].count = adapter->rx_ring_count; - adapter->rx_ring[i].queue_index = i; + struct ixgbe_ring *ring = adapter->rx_ring[i]; + if (orig_node == -1) { + int cur_node = next_online_node(adapter->node); + if (cur_node == MAX_NUMNODES) + cur_node = first_online_node; + adapter->node = cur_node; + } + ring = kzalloc_node(sizeof(struct ixgbe_ring), GFP_KERNEL, + adapter->node); + if (!ring) + ring = kzalloc(sizeof(struct ixgbe_ring), GFP_KERNEL); + if (!ring) + goto err_rx_ring_allocation; + ring->count = adapter->rx_ring_count; + ring->queue_index = i; + ring->numa_node = adapter->node; + + adapter->rx_ring[i] = ring; } + /* Restore the adapter's original node */ + adapter->node = orig_node; + ixgbe_cache_ring_register(adapter); return 0; err_rx_ring_allocation: - kfree(adapter->tx_ring); + for (i = 0; i < adapter->num_tx_queues; i++) + kfree(adapter->tx_ring[i]); err_tx_ring_allocation: return -ENOMEM; } @@ -3700,6 +3962,9 @@ static int ixgbe_set_interrupt_capability(struct ixgbe_adapter *adapter) adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE; adapter->atr_sample_rate = 0; + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) + ixgbe_disable_sriov(adapter); + ixgbe_set_num_queues(adapter); err = pci_enable_msi(adapter->pdev); @@ -3741,7 +4006,11 @@ static int ixgbe_alloc_q_vectors(struct ixgbe_adapter *adapter) } for (q_idx = 0; q_idx < num_q_vectors; q_idx++) { - q_vector = kzalloc(sizeof(struct ixgbe_q_vector), GFP_KERNEL); + q_vector = kzalloc_node(sizeof(struct ixgbe_q_vector), + GFP_KERNEL, adapter->node); + if (!q_vector) + q_vector = kzalloc(sizeof(struct ixgbe_q_vector), + GFP_KERNEL); if (!q_vector) goto err_out; q_vector->adapter = adapter; @@ -3868,10 +4137,16 @@ err_set_interrupt: **/ void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter) { - kfree(adapter->tx_ring); - kfree(adapter->rx_ring); - adapter->tx_ring = NULL; - adapter->rx_ring = NULL; + int i; + + for (i = 0; i < adapter->num_tx_queues; i++) { + kfree(adapter->tx_ring[i]); + adapter->tx_ring[i] = NULL; + } + for (i = 0; i < adapter->num_rx_queues; i++) { + kfree(adapter->rx_ring[i]); + adapter->rx_ring[i] = NULL; + } ixgbe_free_q_vectors(adapter); ixgbe_reset_interrupt_capability(adapter); @@ -3942,6 +4217,7 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; + struct net_device *dev = adapter->netdev; unsigned int rss; #ifdef CONFIG_IXGBE_DCB int j; @@ -3969,10 +4245,18 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599; adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE; adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED; - adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; + if (dev->features & NETIF_F_NTUPLE) { + /* Flow Director perfect filter enabled */ + adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE; + adapter->atr_sample_rate = 0; + spin_lock_init(&adapter->fdir_perfect_lock); + } else { + /* Flow Director hash filters enabled */ + adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE; + adapter->atr_sample_rate = 20; + } adapter->ring_feature[RING_F_FDIR].indices = IXGBE_MAX_FDIR_INDICES; - adapter->atr_sample_rate = 20; adapter->fdir_pballoc = 0; #ifdef IXGBE_FCOE adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE; @@ -4041,6 +4325,9 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) /* enable rx csum by default */ adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED; + /* get assigned NUMA node */ + adapter->node = dev_to_node(&pdev->dev); + set_bit(__IXGBE_DOWN, &adapter->state); return 0; @@ -4060,7 +4347,9 @@ int ixgbe_setup_tx_resources(struct ixgbe_adapter *adapter, int size; size = sizeof(struct ixgbe_tx_buffer) * tx_ring->count; - tx_ring->tx_buffer_info = vmalloc(size); + tx_ring->tx_buffer_info = vmalloc_node(size, tx_ring->numa_node); + if (!tx_ring->tx_buffer_info) + tx_ring->tx_buffer_info = vmalloc(size); if (!tx_ring->tx_buffer_info) goto err; memset(tx_ring->tx_buffer_info, 0, size); @@ -4102,7 +4391,7 @@ static int ixgbe_setup_all_tx_resources(struct ixgbe_adapter *adapter) int i, err = 0; for (i = 0; i < adapter->num_tx_queues; i++) { - err = ixgbe_setup_tx_resources(adapter, &adapter->tx_ring[i]); + err = ixgbe_setup_tx_resources(adapter, adapter->tx_ring[i]); if (!err) continue; DPRINTK(PROBE, ERR, "Allocation for Tx Queue %u failed\n", i); @@ -4126,7 +4415,9 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter, int size; size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count; - rx_ring->rx_buffer_info = vmalloc(size); + rx_ring->rx_buffer_info = vmalloc_node(size, adapter->node); + if (!rx_ring->rx_buffer_info) + rx_ring->rx_buffer_info = vmalloc(size); if (!rx_ring->rx_buffer_info) { DPRINTK(PROBE, ERR, "vmalloc allocation failed for the rx desc ring\n"); @@ -4172,7 +4463,7 @@ static int ixgbe_setup_all_rx_resources(struct ixgbe_adapter *adapter) int i, err = 0; for (i = 0; i < adapter->num_rx_queues; i++) { - err = ixgbe_setup_rx_resources(adapter, &adapter->rx_ring[i]); + err = ixgbe_setup_rx_resources(adapter, adapter->rx_ring[i]); if (!err) continue; DPRINTK(PROBE, ERR, "Allocation for Rx Queue %u failed\n", i); @@ -4215,8 +4506,8 @@ static void ixgbe_free_all_tx_resources(struct ixgbe_adapter *adapter) int i; for (i = 0; i < adapter->num_tx_queues; i++) - if (adapter->tx_ring[i].desc) - ixgbe_free_tx_resources(adapter, &adapter->tx_ring[i]); + if (adapter->tx_ring[i]->desc) + ixgbe_free_tx_resources(adapter, adapter->tx_ring[i]); } /** @@ -4252,8 +4543,8 @@ static void ixgbe_free_all_rx_resources(struct ixgbe_adapter *adapter) int i; for (i = 0; i < adapter->num_rx_queues; i++) - if (adapter->rx_ring[i].desc) - ixgbe_free_rx_resources(adapter, &adapter->rx_ring[i]); + if (adapter->rx_ring[i]->desc) + ixgbe_free_rx_resources(adapter, adapter->rx_ring[i]); } /** @@ -4530,8 +4821,8 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter) adapter->hw_rx_no_dma_resources += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); for (i = 0; i < adapter->num_rx_queues; i++) { - rsc_count += adapter->rx_ring[i].rsc_count; - rsc_flush += adapter->rx_ring[i].rsc_flush; + rsc_count += adapter->rx_ring[i]->rsc_count; + rsc_flush += adapter->rx_ring[i]->rsc_flush; } adapter->rsc_total_count = rsc_count; adapter->rsc_total_flush = rsc_flush; @@ -4539,11 +4830,11 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter) /* gather some stats to the adapter struct that are per queue */ for (i = 0; i < adapter->num_tx_queues; i++) - restart_queue += adapter->tx_ring[i].restart_queue; + restart_queue += adapter->tx_ring[i]->restart_queue; adapter->restart_queue = restart_queue; for (i = 0; i < adapter->num_rx_queues; i++) - non_eop_descs += adapter->rx_ring[i].non_eop_descs; + non_eop_descs += adapter->rx_ring[i]->non_eop_descs; adapter->non_eop_descs = non_eop_descs; adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS); @@ -4782,7 +5073,7 @@ static void ixgbe_fdir_reinit_task(struct work_struct *work) if (ixgbe_reinit_fdir_tables_82599(hw) == 0) { for (i = 0; i < adapter->num_tx_queues; i++) set_bit(__IXGBE_FDIR_INIT_DONE, - &(adapter->tx_ring[i].reinit_state)); + &(adapter->tx_ring[i]->reinit_state)); } else { DPRINTK(PROBE, ERR, "failed to finish FDIR re-initialization, " "ignored adding FDIR ATR filters \n"); @@ -4791,6 +5082,8 @@ static void ixgbe_fdir_reinit_task(struct work_struct *work) netif_tx_start_all_queues(adapter->netdev); } +static DEFINE_MUTEX(ixgbe_watchdog_lock); + /** * ixgbe_watchdog_task - worker thread to bring link up * @work: pointer to work_struct containing our data @@ -4802,13 +5095,16 @@ static void ixgbe_watchdog_task(struct work_struct *work) watchdog_task); struct net_device *netdev = adapter->netdev; struct ixgbe_hw *hw = &adapter->hw; - u32 link_speed = adapter->link_speed; - bool link_up = adapter->link_up; + u32 link_speed; + bool link_up; int i; struct ixgbe_ring *tx_ring; int some_tx_pending = 0; - adapter->flags |= IXGBE_FLAG_IN_WATCHDOG_TASK; + mutex_lock(&ixgbe_watchdog_lock); + + link_up = adapter->link_up; + link_speed = adapter->link_speed; if (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE) { hw->mac.ops.check_link(hw, &link_speed, &link_up, false); @@ -4879,7 +5175,7 @@ static void ixgbe_watchdog_task(struct work_struct *work) if (!netif_carrier_ok(netdev)) { for (i = 0; i < adapter->num_tx_queues; i++) { - tx_ring = &adapter->tx_ring[i]; + tx_ring = adapter->tx_ring[i]; if (tx_ring->next_to_use != tx_ring->next_to_clean) { some_tx_pending = 1; break; @@ -4897,7 +5193,7 @@ static void ixgbe_watchdog_task(struct work_struct *work) } ixgbe_update_stats(adapter); - adapter->flags &= ~IXGBE_FLAG_IN_WATCHDOG_TASK; + mutex_unlock(&ixgbe_watchdog_lock); } static int ixgbe_tso(struct ixgbe_adapter *adapter, @@ -5343,8 +5639,14 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) return txq; } #endif - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) - return (skb->vlan_tci & IXGBE_TX_FLAGS_VLAN_PRIO_MASK) >> 13; + if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { + if (skb->priority == TC_PRIO_CONTROL) + txq = adapter->ring_feature[RING_F_DCB].indices-1; + else + txq = (skb->vlan_tci & IXGBE_TX_FLAGS_VLAN_PRIO_MASK) + >> 13; + return txq; + } return skb_tx_hash(dev, skb); } @@ -5371,17 +5673,12 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; tx_flags |= IXGBE_TX_FLAGS_VLAN; } else if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - if (skb->priority != TC_PRIO_CONTROL) { - tx_flags |= ((skb->queue_mapping & 0x7) << 13); - tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; - tx_flags |= IXGBE_TX_FLAGS_VLAN; - } else { - skb->queue_mapping = - adapter->ring_feature[RING_F_DCB].indices-1; - } + tx_flags |= ((skb->queue_mapping & 0x7) << 13); + tx_flags <<= IXGBE_TX_FLAGS_VLAN_SHIFT; + tx_flags |= IXGBE_TX_FLAGS_VLAN; } - tx_ring = &adapter->tx_ring[skb->queue_mapping]; + tx_ring = adapter->tx_ring[skb->queue_mapping]; if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) && (skb->protocol == htons(ETH_P_FCOE))) { @@ -5487,7 +5784,8 @@ static int ixgbe_set_mac(struct net_device *netdev, void *p) memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV); + hw->mac.ops.set_rar(hw, 0, hw->mac.addr, adapter->num_vfs, + IXGBE_RAH_AV); return 0; } @@ -5624,6 +5922,61 @@ static const struct net_device_ops ixgbe_netdev_ops = { #endif /* IXGBE_FCOE */ }; +static void __devinit ixgbe_probe_vf(struct ixgbe_adapter *adapter, + const struct ixgbe_info *ii) +{ +#ifdef CONFIG_PCI_IOV + struct ixgbe_hw *hw = &adapter->hw; + int err; + + if (hw->mac.type != ixgbe_mac_82599EB || !max_vfs) + return; + + /* The 82599 supports up to 64 VFs per physical function + * but this implementation limits allocation to 63 so that + * basic networking resources are still available to the + * physical function + */ + adapter->num_vfs = (max_vfs > 63) ? 63 : max_vfs; + adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED; + err = pci_enable_sriov(adapter->pdev, adapter->num_vfs); + if (err) { + DPRINTK(PROBE, ERR, + "Failed to enable PCI sriov: %d\n", err); + goto err_novfs; + } + /* If call to enable VFs succeeded then allocate memory + * for per VF control structures. + */ + adapter->vfinfo = + kcalloc(adapter->num_vfs, + sizeof(struct vf_data_storage), GFP_KERNEL); + if (adapter->vfinfo) { + /* Now that we're sure SR-IOV is enabled + * and memory allocated set up the mailbox parameters + */ + ixgbe_init_mbx_params_pf(hw); + memcpy(&hw->mbx.ops, ii->mbx_ops, + sizeof(hw->mbx.ops)); + + /* Disable RSC when in SR-IOV mode */ + adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE | + IXGBE_FLAG2_RSC_ENABLED); + return; + } + + /* Oh oh */ + DPRINTK(PROBE, ERR, + "Unable to allocate memory for VF " + "Data Storage - SRIOV disabled\n"); + pci_disable_sriov(adapter->pdev); + +err_novfs: + adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; + adapter->num_vfs = 0; +#endif /* CONFIG_PCI_IOV */ +} + /** * ixgbe_probe - Device Initialization Routine * @pdev: PCI device information struct @@ -5644,6 +5997,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data]; static int cards_found; int i, err, pci_using_dac; + unsigned int indices = num_possible_cpus(); #ifdef IXGBE_FCOE u16 device_caps; #endif @@ -5682,7 +6036,18 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, pci_set_master(pdev); pci_save_state(pdev); - netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), MAX_TX_QUEUES); + if (ii->mac == ixgbe_mac_82598EB) + indices = min_t(unsigned int, indices, IXGBE_MAX_RSS_INDICES); + else + indices = min_t(unsigned int, indices, IXGBE_MAX_FDIR_INDICES); + + indices = max_t(unsigned int, indices, IXGBE_MAX_DCB_INDICES); +#ifdef IXGBE_FCOE + indices += min_t(unsigned int, num_possible_cpus(), + IXGBE_MAX_FCOE_INDICES); +#endif + indices = min_t(unsigned int, indices, MAX_TX_QUEUES); + netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices); if (!netdev) { err = -ENOMEM; goto err_alloc_etherdev; @@ -5802,6 +6167,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, goto err_sw_init; } + ixgbe_probe_vf(adapter, ii); + netdev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX | @@ -5822,6 +6189,9 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, netdev->vlan_features |= NETIF_F_IPV6_CSUM; netdev->vlan_features |= NETIF_F_SG; + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) + adapter->flags &= ~(IXGBE_FLAG_RSS_ENABLED | + IXGBE_FLAG_DCB_ENABLED); if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; @@ -5948,6 +6318,13 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, ixgbe_setup_dca(adapter); } #endif + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { + DPRINTK(PROBE, INFO, "IOV is enabled with %d VFs\n", + adapter->num_vfs); + for (i = 0; i < adapter->num_vfs; i++) + ixgbe_vf_configuration(pdev, (i | 0x10000000)); + } + /* add san mac addr to netdev */ ixgbe_add_sanmac_netdev(netdev); @@ -5960,6 +6337,8 @@ err_register: ixgbe_clear_interrupt_scheme(adapter); err_sw_init: err_eeprom: + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) + ixgbe_disable_sriov(adapter); clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state); del_timer_sync(&adapter->sfp_timer); cancel_work_sync(&adapter->sfp_task); @@ -6028,6 +6407,9 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev) if (netdev->reg_state == NETREG_REGISTERED) unregister_netdev(netdev); + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) + ixgbe_disable_sriov(adapter); + ixgbe_clear_interrupt_scheme(adapter); ixgbe_release_hw_control(adapter); |