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yaml
---
r: 340450
b: refs/heads/master
c: f591cd9
h: refs/heads/master
v: v3
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Alexander Duyck authored and Jeff Kirsher committed Oct 23, 2012
1 parent 0f77b9e commit cdabe9a
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Showing 3 changed files with 53 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 107d3018abd9d15df24e8f2d52366fa7f983beda
refs/heads/master: f591cd9def96f5219078594699bf691a6282f6b2
10 changes: 10 additions & 0 deletions trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,7 @@
enum ixgbe_pfvf_api_rev {
ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */
ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */
ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
/* This value should always be last */
ixgbe_mbox_api_unknown, /* indicates that API version is not known */
};
Expand All @@ -86,6 +87,15 @@ enum ixgbe_pfvf_api_rev {
#define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */
#define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */

/* mailbox API, version 1.1 VF requests */
#define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */

/* GET_QUEUES return data indices within the mailbox */
#define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */
#define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */
#define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */
#define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */

/* length of permanent address message returned from PF */
#define IXGBE_VF_PERMADDR_MSG_LEN 4
/* word in permanent address message with the current multicast type */
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42 changes: 42 additions & 0 deletions trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
Original file line number Diff line number Diff line change
Expand Up @@ -751,6 +751,45 @@ static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
return -1;
}

static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
u32 *msgbuf, u32 vf)
{
struct net_device *dev = adapter->netdev;
struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
unsigned int default_tc = 0;
u8 num_tcs = netdev_get_num_tc(dev);

/* verify the PF is supporting the correct APIs */
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_20:
case ixgbe_mbox_api_11:
break;
default:
return -1;
}

/* only allow 1 Tx queue for bandwidth limiting */
msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);
msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask);

/* if TCs > 1 determine which TC belongs to default user priority */
if (num_tcs > 1)
default_tc = netdev_get_prio_tc_map(dev, adapter->default_up);

/* notify VF of need for VLAN tag stripping, and correct queue */
if (num_tcs)
msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs;
else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos)
msgbuf[IXGBE_VF_TRANS_VLAN] = 1;
else
msgbuf[IXGBE_VF_TRANS_VLAN] = 0;

/* notify VF of default queue */
msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc;

return 0;
}

static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
{
u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
Expand Down Expand Up @@ -804,6 +843,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
case IXGBE_VF_API_NEGOTIATE:
retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf);
break;
case IXGBE_VF_GET_QUEUES:
retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
retval = IXGBE_ERR_MBX;
Expand Down

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