[dpdk-dev] [PATCH v2] net/i40e: fix PF notify issue when VF not up
Xiaoyun Li
xiaoyun.li at intel.com
Fri Jul 28 13:39:39 CEST 2017
This patch modifies PF notify error to warning when not starting
up VF and modifies VF state to active when VF reset is completed.
Fixes: 4861cde46116 ("i40e: new poll mode driver")
Cc: stable at dpdk.org
Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
---
v2 changes:
* add VF state modification when VF reset is done.
---
drivers/net/i40e/i40e_pf.c | 33 +++++++++++++++++++--------------
1 file changed, 19 insertions(+), 14 deletions(-)
diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
index b4cf57f..5d5d24a 100644
--- a/drivers/net/i40e/i40e_pf.c
+++ b/drivers/net/i40e/i40e_pf.c
@@ -152,22 +152,23 @@ i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset)
val |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
I40E_WRITE_FLUSH(hw);
- }
#define VFRESET_MAX_WAIT_CNT 100
- /* Wait until VF reset is done */
- for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
- rte_delay_us(10);
- val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id));
- if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK)
- break;
- }
+ /* Wait until VF reset is done */
+ for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
+ rte_delay_us(10);
+ val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id));
+ if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
+ vf->state = I40E_VF_ACTIVE;
+ break;
+ }
+ }
- if (i >= VFRESET_MAX_WAIT_CNT) {
- PMD_DRV_LOG(ERR, "VF reset timeout");
- return -ETIMEDOUT;
+ if (i >= VFRESET_MAX_WAIT_CNT) {
+ PMD_DRV_LOG(ERR, "VF reset timeout");
+ return -ETIMEDOUT;
+ }
}
-
/* This is not first time to do reset, do cleanup job first */
if (vf->vsi) {
/* Disable queues */
@@ -267,8 +268,12 @@ i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf,
ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval,
msg, msglen, NULL);
if (ret) {
- PMD_INIT_LOG(ERR, "Fail to send message to VF, err %u",
- hw->aq.asq_last_status);
+ if (vf->state == I40E_VF_INACTIVE)
+ PMD_DRV_LOG(WARNING, "Warning! VF %u is inactive now!",
+ abs_vf_id);
+ else
+ PMD_INIT_LOG(ERR, "Fail to send message to VF, err %u",
+ hw->aq.asq_last_status);
}
return ret;
--
2.7.4
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