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-rw-r--r--drivers/net/igb/e1000_mbx.h10
-rw-r--r--drivers/net/igb/igb.h2
-rw-r--r--drivers/net/igb/igb_main.c173
3 files changed, 125 insertions, 60 deletions
diff --git a/drivers/net/igb/e1000_mbx.h b/drivers/net/igb/e1000_mbx.h
index ebc02ea3f19..bb112fb6c3a 100644
--- a/drivers/net/igb/e1000_mbx.h
+++ b/drivers/net/igb/e1000_mbx.h
@@ -58,10 +58,12 @@
#define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
#define E1000_VF_RESET 0x01 /* VF requests reset */
-#define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */
-#define E1000_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
-#define E1000_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
-#define E1000_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
+#define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */
+#define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */
+#define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */
+#define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */
+#define E1000_VF_SET_PROMISC 0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
+#define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT)
#define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 7801d3f4019..c27dc1a8d0c 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -78,6 +78,8 @@ struct vf_data_storage {
};
#define IGB_VF_FLAG_CTS 0x00000001 /* VF is clear to send data */
+#define IGB_VF_FLAG_UNI_PROMISC 0x00000002 /* VF has unicast promisc */
+#define IGB_VF_FLAG_MULTI_PROMISC 0x00000004 /* VF has multicast promisc */
/* RX descriptor control thresholds.
* PTHRESH - MAC will consider prefetch if it has fewer than this number of
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index a9e8ba24400..3ab297844d6 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -129,38 +129,6 @@ static void igb_vmm_control(struct igb_adapter *);
static int igb_set_vf_mac(struct igb_adapter *, int, unsigned char *);
static void igb_restore_vf_multicasts(struct igb_adapter *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_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 int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
- int vfn)
-{
- struct e1000_hw *hw = &adapter->hw;
- u32 vmolr;
-
- /* if it isn't the PF check to see if VFs are enabled and
- * increase the size to support vlan tags */
- if (vfn < adapter->vfs_allocated_count &&
- adapter->vf_data[vfn].vlans_enabled)
- size += VLAN_TAG_SIZE;
-
- vmolr = rd32(E1000_VMOLR(vfn));
- vmolr &= ~E1000_VMOLR_RLPML_MASK;
- vmolr |= size | E1000_VMOLR_LPE;
- wr32(E1000_VMOLR(vfn), vmolr);
-
- return 0;
-}
-
#ifdef CONFIG_PM
static int igb_suspend(struct pci_dev *, pm_message_t);
static int igb_resume(struct pci_dev *);
@@ -1115,8 +1083,6 @@ int igb_up(struct igb_adapter *adapter)
if (adapter->msix_entries)
igb_configure_msix(adapter);
- igb_set_vmolr(hw, adapter->vfs_allocated_count);
-
/* Clear any pending interrupts. */
rd32(E1000_ICR);
igb_irq_enable(adapter);
@@ -1892,8 +1858,6 @@ static int igb_open(struct net_device *netdev)
* clean_rx handler before we do so. */
igb_configure(adapter);
- igb_set_vmolr(hw, adapter->vfs_allocated_count);
-
err = igb_request_irq(adapter);
if (err)
goto err_req_irq;
@@ -2331,22 +2295,33 @@ void igb_setup_rctl(struct igb_adapter *adapter)
* if an un-trusted VF does not provide descriptors to hardware.
*/
if (adapter->vfs_allocated_count) {
- u32 vmolr;
-
/* set all queue drop enable bits */
wr32(E1000_QDE, ALL_QUEUES);
-
- vmolr = rd32(E1000_VMOLR(adapter->vfs_allocated_count));
- if (rctl & E1000_RCTL_LPE)
- vmolr |= E1000_VMOLR_LPE;
- if (adapter->num_rx_queues > 1)
- vmolr |= E1000_VMOLR_RSSE;
- wr32(E1000_VMOLR(adapter->vfs_allocated_count), vmolr);
}
wr32(E1000_RCTL, rctl);
}
+static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
+ int vfn)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 vmolr;
+
+ /* if it isn't the PF check to see if VFs are enabled and
+ * increase the size to support vlan tags */
+ if (vfn < adapter->vfs_allocated_count &&
+ adapter->vf_data[vfn].vlans_enabled)
+ size += VLAN_TAG_SIZE;
+
+ vmolr = rd32(E1000_VMOLR(vfn));
+ vmolr &= ~E1000_VMOLR_RLPML_MASK;
+ vmolr |= size | E1000_VMOLR_LPE;
+ wr32(E1000_VMOLR(vfn), vmolr);
+
+ return 0;
+}
+
/**
* igb_rlpml_set - set maximum receive packet size
* @adapter: board private structure
@@ -2366,12 +2341,43 @@ static void igb_rlpml_set(struct igb_adapter *adapter)
* 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;
+ max_frame_size = MAX_JUMBO_FRAME_SIZE;
}
wr32(E1000_RLPML, max_frame_size);
}
+static inline void igb_set_vmolr(struct igb_adapter *adapter, int vfn)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 vmolr;
+
+ /*
+ * This register exists only on 82576 and newer so if we are older then
+ * we should exit and do nothing
+ */
+ if (hw->mac.type < e1000_82576)
+ return;
+
+ vmolr = rd32(E1000_VMOLR(vfn));
+ vmolr |= E1000_VMOLR_AUPE | /* Accept untagged packets */
+ E1000_VMOLR_STRVLAN; /* Strip vlan tags */
+
+ /* clear all bits that might not be set */
+ vmolr &= ~(E1000_VMOLR_BAM | E1000_VMOLR_RSSE);
+
+ if (adapter->num_rx_queues > 1 && vfn == adapter->vfs_allocated_count)
+ vmolr |= E1000_VMOLR_RSSE; /* enable RSS */
+ /*
+ * for VMDq only allow the VFs and pool 0 to accept broadcast and
+ * multicast packets
+ */
+ if (vfn <= adapter->vfs_allocated_count)
+ vmolr |= E1000_VMOLR_BAM; /* Accept broadcast */
+
+ wr32(E1000_VMOLR(vfn), vmolr);
+}
+
/**
* igb_configure_rx_ring - Configure a receive ring after Reset
* @adapter: board private structure
@@ -2425,6 +2431,9 @@ void igb_configure_rx_ring(struct igb_adapter *adapter,
wr32(E1000_SRRCTL(reg_idx), srrctl);
+ /* set filtering for VMDQ pools */
+ igb_set_vmolr(adapter, reg_idx & 0x7);
+
/* enable receive descriptor fetching */
rxdctl = rd32(E1000_RXDCTL(reg_idx));
rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
@@ -4101,6 +4110,45 @@ static void igb_ping_all_vfs(struct igb_adapter *adapter)
}
}
+static int igb_set_vf_promisc(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 vmolr = rd32(E1000_VMOLR(vf));
+ struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+
+ vf_data->flags |= ~(IGB_VF_FLAG_UNI_PROMISC |
+ IGB_VF_FLAG_MULTI_PROMISC);
+ vmolr &= ~(E1000_VMOLR_ROPE | E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
+
+ if (*msgbuf & E1000_VF_SET_PROMISC_MULTICAST) {
+ vmolr |= E1000_VMOLR_MPME;
+ *msgbuf &= ~E1000_VF_SET_PROMISC_MULTICAST;
+ } else {
+ /*
+ * if we have hashes and we are clearing a multicast promisc
+ * flag we need to write the hashes to the MTA as this step
+ * was previously skipped
+ */
+ if (vf_data->num_vf_mc_hashes > 30) {
+ vmolr |= E1000_VMOLR_MPME;
+ } else if (vf_data->num_vf_mc_hashes) {
+ int j;
+ vmolr |= E1000_VMOLR_ROMPE;
+ for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
+ igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+ }
+ }
+
+ wr32(E1000_VMOLR(vf), vmolr);
+
+ /* there are flags left unprocessed, likely not supported */
+ if (*msgbuf & E1000_VT_MSGINFO_MASK)
+ return -EINVAL;
+
+ return 0;
+
+}
+
static int igb_set_vf_multicasts(struct igb_adapter *adapter,
u32 *msgbuf, u32 vf)
{
@@ -4109,18 +4157,17 @@ static int igb_set_vf_multicasts(struct igb_adapter *adapter,
struct vf_data_storage *vf_data = &adapter->vf_data[vf];
int i;
- /* only up to 30 hash values supported */
- if (n > 30)
- n = 30;
-
- /* salt away the number of multi cast addresses assigned
+ /* salt away the number of multicast addresses assigned
* to this VF for later use to restore when the PF multi cast
* list changes
*/
vf_data->num_vf_mc_hashes = n;
- /* VFs are limited to using the MTA hash table for their multicast
- * addresses */
+ /* only up to 30 hash values supported */
+ if (n > 30)
+ n = 30;
+
+ /* store the hashes for later use */
for (i = 0; i < n; i++)
vf_data->vf_mc_hashes[i] = hash_list[i];
@@ -4137,9 +4184,20 @@ static void igb_restore_vf_multicasts(struct igb_adapter *adapter)
int i, j;
for (i = 0; i < adapter->vfs_allocated_count; i++) {
+ u32 vmolr = rd32(E1000_VMOLR(i));
+ vmolr &= ~(E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
+
vf_data = &adapter->vf_data[i];
- for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
- igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+
+ if ((vf_data->num_vf_mc_hashes > 30) ||
+ (vf_data->flags & IGB_VF_FLAG_MULTI_PROMISC)) {
+ vmolr |= E1000_VMOLR_MPME;
+ } else if (vf_data->num_vf_mc_hashes) {
+ vmolr |= E1000_VMOLR_ROMPE;
+ for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
+ igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+ }
+ wr32(E1000_VMOLR(i), vmolr);
}
}
@@ -4282,7 +4340,7 @@ static inline void igb_vf_reset(struct igb_adapter *adapter, u32 vf)
adapter->vf_data[vf].last_nack = jiffies;
/* reset offloads to defaults */
- igb_set_vmolr(&adapter->hw, vf);
+ igb_set_vmolr(adapter, vf);
/* reset vlans for device */
igb_clear_vf_vfta(adapter, vf);
@@ -4398,6 +4456,9 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
case E1000_VF_SET_MAC_ADDR:
retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
break;
+ case E1000_VF_SET_PROMISC:
+ retval = igb_set_vf_promisc(adapter, msgbuf, vf);
+ break;
case E1000_VF_SET_MULTICAST:
retval = igb_set_vf_multicasts(adapter, msgbuf, vf);
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 21:09:58 +0000