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ixgbe: Add PF support for VF promiscuous mode

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This patch extends the xcast mailbox message to include support for
unicast promiscuous mode.  To allow a VF to enter this mode the PF
must be in promiscuous mode.

A later patch will add the support needed in the VF driver (ixgbevf)

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Don Skidmore 2016-12-15 21:18:32 -05:00 committed by Jeff Kirsher
parent 41e544cdad
commit 07eea570ac
4 changed files with 45 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/intel/ixgbe/ixgbe.h
View File

@ -159,6 +159,7 @@ enum ixgbevf_xcast_modes {
IXGBEVF_XCAST_MODE_NONE = 0,
IXGBEVF_XCAST_MODE_MULTI,
IXGBEVF_XCAST_MODE_ALLMULTI,
IXGBEVF_XCAST_MODE_PROMISC,
};
struct vf_macvlans {

1
drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
View File

@ -74,6 +74,7 @@ enum ixgbe_pfvf_api_rev {
ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */
ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */
ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */
/* This value should always be last */
ixgbe_mbox_api_unknown, /* indicates that API version is not known */
};

47
drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
View File

@ -512,6 +512,7 @@ static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_11:
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
/*
* Version 1.1 supports jumbo frames on VFs if PF has
* jumbo frames enabled which means legacy VFs are
@ -979,6 +980,7 @@ static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_10:
case ixgbe_mbox_api_11:
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
adapter->vfinfo[vf].vf_api = api;
return 0;
default:
@ -1003,6 +1005,7 @@ static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_20:
case ixgbe_mbox_api_11:
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
break;
default:
return -1;
@ -1042,8 +1045,13 @@ static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
return -EPERM;
/* verify the PF is supporting the correct API */
if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
break;
default:
return -EOPNOTSUPP;
}
/* This mailbox command is supported (required) only for 82599 and x540
* VFs which support up to 4 RSS queues. Therefore we will compress the
@ -1069,8 +1077,13 @@ static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
return -EPERM;
/* verify the PF is supporting the correct API */
if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
break;
default:
return -EOPNOTSUPP;
}
memcpy(rss_key, adapter->rss_key, sizeof(adapter->rss_key));
@ -1082,11 +1095,16 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
{
struct ixgbe_hw *hw = &adapter->hw;
int xcast_mode = msgbuf[1];
u32 vmolr, disable, enable;
u32 vmolr, fctrl, disable, enable;
/* verify the PF is supporting the correct APIs */
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_12:
/* promisc introduced in 1.3 version */
if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC)
return -EOPNOTSUPP;
/* Fall threw */
case ixgbe_mbox_api_13:
break;
default:
return -EOPNOTSUPP;
@ -1102,17 +1120,34 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
switch (xcast_mode) {
case IXGBEVF_XCAST_MODE_NONE:
disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
disable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
enable = 0;
break;
case IXGBEVF_XCAST_MODE_MULTI:
disable = IXGBE_VMOLR_MPE;
disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE;
break;
case IXGBEVF_XCAST_MODE_ALLMULTI:
disable = 0;
disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE;
break;
case IXGBEVF_XCAST_MODE_PROMISC:
if (hw->mac.type <= ixgbe_mac_82599EB)
return -EOPNOTSUPP;
fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
if (!(fctrl & IXGBE_FCTRL_UPE)) {
/* VF promisc requires PF in promisc */
e_warn(drv,
"Enabling VF promisc requires PF in promisc\n");
return -EPERM;
}
disable = 0;
enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE |
IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE;
break;
default:
return -EOPNOTSUPP;
}

2
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
View File

@ -1501,6 +1501,8 @@ enum {
#define IXGBE_VT_CTL_POOL_MASK (0x3F << IXGBE_VT_CTL_POOL_SHIFT)
/* VMOLR bitmasks */
#define IXGBE_VMOLR_UPE 0x00400000 /* unicast promiscuous */
#define IXGBE_VMOLR_VPE 0x00800000 /* VLAN promiscuous */
#define IXGBE_VMOLR_AUPE 0x01000000 /* accept untagged packets */
#define IXGBE_VMOLR_ROMPE 0x02000000 /* accept packets in MTA tbl */
#define IXGBE_VMOLR_ROPE 0x04000000 /* accept packets in UC tbl */