static void igb_vlan_rx_add_vid(struct net_device *, u16);
static void igb_vlan_rx_kill_vid(struct net_device *, u16);
static void igb_restore_vlan(struct igb_adapter *);
+static inline void igb_set_rah_pool(struct e1000_hw *, int , int);
+static void igb_set_mc_list_pools(struct igb_adapter *, int, u16);
+static inline void igb_set_vmolr(struct e1000_hw *, int);
+static inline void igb_set_vf_rlpml(struct igb_adapter *, int, int);
static int igb_suspend(struct pci_dev *, pm_message_t);
#ifdef CONFIG_PM
if (adapter->msix_entries)
igb_configure_msix(adapter);
+ igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0);
+ igb_set_vmolr(hw, adapter->vfs_allocated_count);
+
/* Clear any pending interrupts. */
rd32(E1000_ICR);
igb_irq_enable(adapter);
* clean_rx handler before we do so. */
igb_configure(adapter);
+ igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0);
+ igb_set_vmolr(hw, adapter->vfs_allocated_count);
+
err = igb_request_irq(adapter);
if (err)
goto err_req_irq;
wr32(E1000_DCA_TXCTRL(j), txctrl);
}
- /* Use the default values for the Tx Inter Packet Gap (IPG) timer */
+ /* disable queue 0 to prevent tail bump w/o re-configuration */
+ if (adapter->vfs_allocated_count)
+ wr32(E1000_TXDCTL(0), 0);
/* Program the Transmit Control Register */
-
tctl = rd32(E1000_TCTL);
tctl &= ~E1000_TCTL_CT;
tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
}
+ /* Attention!!! For SR-IOV PF driver operations you must enable
+ * queue drop for all VF and PF queues to prevent head of line blocking
+ * if an un-trusted VF does not provide descriptors to hardware.
+ */
+ if (adapter->vfs_allocated_count) {
+ u32 vmolr;
+
+ j = adapter->rx_ring[0].reg_idx;
+
+ /* set all queue drop enable bits */
+ wr32(E1000_QDE, ALL_QUEUES);
+ srrctl |= E1000_SRRCTL_DROP_EN;
+
+ /* disable queue 0 to prevent tail write w/o re-config */
+ wr32(E1000_RXDCTL(0), 0);
+
+ vmolr = rd32(E1000_VMOLR(j));
+ if (rctl & E1000_RCTL_LPE)
+ vmolr |= E1000_VMOLR_LPE;
+ if (adapter->num_rx_queues > 0)
+ vmolr |= E1000_VMOLR_RSSE;
+ wr32(E1000_VMOLR(j), vmolr);
+ }
+
for (i = 0; i < adapter->num_rx_queues; i++) {
j = adapter->rx_ring[i].reg_idx;
wr32(E1000_SRRCTL(j), srrctl);
}
/**
+ * igb_rlpml_set - set maximum receive packet size
+ * @adapter: board private structure
+ *
+ * Configure maximum receivable packet size.
+ **/
+static void igb_rlpml_set(struct igb_adapter *adapter)
+{
+ u32 max_frame_size = adapter->max_frame_size;
+ struct e1000_hw *hw = &adapter->hw;
+ u16 pf_id = adapter->vfs_allocated_count;
+
+ if (adapter->vlgrp)
+ max_frame_size += VLAN_TAG_SIZE;
+
+ /* if vfs are enabled we set RLPML to the largest possible request
+ * size and set the VMOLR RLPML to the size we need */
+ if (pf_id) {
+ igb_set_vf_rlpml(adapter, max_frame_size, pf_id);
+ max_frame_size = MAX_STD_JUMBO_FRAME_SIZE + VLAN_TAG_SIZE;
+ }
+
+ wr32(E1000_RLPML, max_frame_size);
+}
+
+/**
+ * igb_configure_vt_default_pool - Configure VT default pool
+ * @adapter: board private structure
+ *
+ * Configure the default pool
+ **/
+static void igb_configure_vt_default_pool(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u16 pf_id = adapter->vfs_allocated_count;
+ u32 vtctl;
+
+ /* not in sr-iov mode - do nothing */
+ if (!pf_id)
+ return;
+
+ vtctl = rd32(E1000_VT_CTL);
+ vtctl &= ~(E1000_VT_CTL_DEFAULT_POOL_MASK |
+ E1000_VT_CTL_DISABLE_DEF_POOL);
+ vtctl |= pf_id << E1000_VT_CTL_DEFAULT_POOL_SHIFT;
+ wr32(E1000_VT_CTL, vtctl);
+}
+
+/**
* igb_configure_rx - Configure receive Unit after Reset
* @adapter: board private structure
*
writel(reta.dword,
hw->hw_addr + E1000_RETA(0) + (j & ~3));
}
-
- mrqc = E1000_MRQC_ENABLE_RSS_4Q;
+ if (adapter->vfs_allocated_count)
+ mrqc = E1000_MRQC_ENABLE_VMDQ_RSS_2Q;
+ else
+ mrqc = E1000_MRQC_ENABLE_RSS_4Q;
/* Fill out hash function seeds */
for (j = 0; j < 10; j++)
rxcsum |= E1000_RXCSUM_PCSD;
wr32(E1000_RXCSUM, rxcsum);
} else {
+ /* Enable multi-queue for sr-iov */
+ if (adapter->vfs_allocated_count)
+ wr32(E1000_MRQC, E1000_MRQC_ENABLE_VMDQ);
/* Enable Receive Checksum Offload for TCP and UDP */
rxcsum = rd32(E1000_RXCSUM);
if (adapter->rx_csum)
wr32(E1000_RXCSUM, rxcsum);
}
- if (adapter->vlgrp)
- wr32(E1000_RLPML,
- adapter->max_frame_size + VLAN_TAG_SIZE);
- else
- wr32(E1000_RLPML, adapter->max_frame_size);
+ /* Set the default pool for the PF's first queue */
+ igb_configure_vt_default_pool(adapter);
+
+ igb_rlpml_set(adapter);
/* Enable Receives */
wr32(E1000_RCTL, rctl);
hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
+ igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0);
+
return 0;
}
memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr, ETH_ALEN);
mc_ptr = mc_ptr->next;
}
- igb_update_mc_addr_list(hw, mta_list, i, 1, mac->rar_entry_count);
+ igb_update_mc_addr_list(hw, mta_list, i,
+ adapter->vfs_allocated_count + 1,
+ mac->rar_entry_count);
+
+ igb_set_mc_list_pools(adapter, i, mac->rar_entry_count);
kfree(mta_list);
}
return -EINVAL;
}
-#define MAX_STD_JUMBO_FRAME_SIZE 9234
if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
dev_err(&adapter->pdev->dev, "MTU > 9216 not supported.\n");
return -EINVAL;
#else
adapter->rx_buffer_len = PAGE_SIZE / 2;
#endif
+
+ /* if sr-iov is enabled we need to force buffer size to 1K or larger */
+ if (adapter->vfs_allocated_count &&
+ (adapter->rx_buffer_len < IGB_RXBUFFER_1024))
+ adapter->rx_buffer_len = IGB_RXBUFFER_1024;
+
/* adjust allocation if LPE protects us, and we aren't using SBP */
if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
(max_frame == MAXIMUM_ETHERNET_VLAN_SIZE))
rctl &= ~E1000_RCTL_CFIEN;
wr32(E1000_RCTL, rctl);
igb_update_mng_vlan(adapter);
- wr32(E1000_RLPML,
- adapter->max_frame_size + VLAN_TAG_SIZE);
} else {
/* disable VLAN tag insert/strip */
ctrl = rd32(E1000_CTRL);
igb_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
}
- wr32(E1000_RLPML,
- adapter->max_frame_size);
}
+ igb_rlpml_set(adapter);
+
if (!test_bit(__IGB_DOWN, &adapter->state))
igb_irq_enable(adapter);
}
igb_get_hw_control(adapter);
}
+static inline void igb_set_vmolr(struct e1000_hw *hw, int vfn)
+{
+ u32 reg_data;
+
+ reg_data = rd32(E1000_VMOLR(vfn));
+ reg_data |= E1000_VMOLR_BAM | /* Accept broadcast */
+ E1000_VMOLR_ROPE | /* Accept packets matched in UTA */
+ E1000_VMOLR_ROMPE | /* Accept packets matched in MTA */
+ E1000_VMOLR_AUPE | /* Accept untagged packets */
+ E1000_VMOLR_STRVLAN; /* Strip vlan tags */
+ wr32(E1000_VMOLR(vfn), reg_data);
+}
+
+static inline void igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
+ int vfn)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 vmolr;
+
+ vmolr = rd32(E1000_VMOLR(vfn));
+ vmolr &= ~E1000_VMOLR_RLPML_MASK;
+ vmolr |= size | E1000_VMOLR_LPE;
+ wr32(E1000_VMOLR(vfn), vmolr);
+}
+
+static inline void igb_set_rah_pool(struct e1000_hw *hw, int pool, int entry)
+{
+ u32 reg_data;
+
+ reg_data = rd32(E1000_RAH(entry));
+ reg_data &= ~E1000_RAH_POOL_MASK;
+ reg_data |= E1000_RAH_POOL_1 << pool;;
+ wr32(E1000_RAH(entry), reg_data);
+}
+
+static void igb_set_mc_list_pools(struct igb_adapter *adapter,
+ int entry_count, u16 total_rar_filters)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ int i = adapter->vfs_allocated_count + 1;
+
+ if ((i + entry_count) < total_rar_filters)
+ total_rar_filters = i + entry_count;
+
+ for (; i < total_rar_filters; i++)
+ igb_set_rah_pool(hw, adapter->vfs_allocated_count, i);
+}
+
/* igb_main.c */
projects / platform / kernel / linux-rpi.git / commitdiff