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ixgbe: handle IXGBE_VF_GET_PF_LINK_STATE mailbox operation

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[ Upstream commit f7f97cbc03 ]

Update supported API version and provide handler for
IXGBE_VF_GET_PF_LINK_STATE cmd.
Simply put stored values of link speed and link_up from adapter context.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Link: https://lore.kernel.org/stable/20250828095227.1857066-3-jedrzej.jagielski%40intel.com
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20251009-jk-iwl-net-2025-10-01-v3-3-ef32a425b92a@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jedrzej Jagielski
2025-10-09 17:03:48 -07:00
committed by Greg Kroah-Hartman
parent c6a7af6e19
commit ad63dcc402
2 changed files with 47 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
View File

@@ -50,6 +50,8 @@ enum ixgbe_pfvf_api_rev {
ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */
ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */
ixgbe_mbox_api_14, /* API version 1.4, linux/freebsd VF driver */
ixgbe_mbox_api_15, /* API version 1.5, linux/freebsd VF driver */
ixgbe_mbox_api_16, /* API version 1.6, linux/freebsd VF driver */
/* This value should always be last */
ixgbe_mbox_api_unknown, /* indicates that API version is not known */
};
@@ -86,6 +88,9 @@ enum ixgbe_pfvf_api_rev {
#define IXGBE_VF_GET_LINK_STATE 0x10 /* get vf link state */
/* mailbox API, version 1.6 VF requests */
#define IXGBE_VF_GET_PF_LINK_STATE 0x11 /* request PF to send link info */
/* 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 */

42
drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
View File

@@ -510,6 +510,7 @@ static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 max_frame, u32 vf
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_16:
/* Version 1.1 supports jumbo frames on VFs if PF has
* jumbo frames enabled which means legacy VFs are
* disabled
@@ -1046,6 +1047,7 @@ static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_16:
adapter->vfinfo[vf].vf_api = api;
return 0;
default:
@@ -1072,6 +1074,7 @@ static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_16:
break;
default:
return -1;
@@ -1112,6 +1115,7 @@ static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
/* verify the PF is supporting the correct API */
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_16:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
@@ -1145,6 +1149,7 @@ static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
/* verify the PF is supporting the correct API */
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_16:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
@@ -1174,6 +1179,7 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
fallthrough;
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_16:
break;
default:
return -EOPNOTSUPP;
@@ -1244,6 +1250,7 @@ static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_16:
break;
default:
return -EOPNOTSUPP;
@@ -1254,6 +1261,38 @@ static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter,
return 0;
}
/**
* ixgbe_send_vf_link_status - send link status data to VF
* @adapter: pointer to adapter struct
* @msgbuf: pointer to message buffers
* @vf: VF identifier
*
* Reply for IXGBE_VF_GET_PF_LINK_STATE mbox command sending link status data.
*
* Return: 0 on success or -EOPNOTSUPP when operation is not supported.
*/
static int ixgbe_send_vf_link_status(struct ixgbe_adapter *adapter,
u32 *msgbuf, u32 vf)
{
struct ixgbe_hw *hw = &adapter->hw;
switch (adapter->vfinfo[vf].vf_api) {
case ixgbe_mbox_api_16:
if (hw->mac.type != ixgbe_mac_e610)
return -EOPNOTSUPP;
break;
default:
return -EOPNOTSUPP;
}
/* Simply provide stored values as watchdog & link status events take
* care of its freshness.
*/
msgbuf[1] = adapter->link_speed;
msgbuf[2] = adapter->link_up;
return 0;
}
static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
{
u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
@@ -1328,6 +1367,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
case IXGBE_VF_IPSEC_DEL:
retval = ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf);
break;
case IXGBE_VF_GET_PF_LINK_STATE:
retval = ixgbe_send_vf_link_status(adapter, msgbuf, vf);
break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
retval = -EIO;