DPDK patches and discussions
 help / color / mirror / Atom feed
* [dpdk-dev] [PATCH] net/i40e: revert fix of PF notify issue when VF not up
@ 2017-08-04 15:50 Xiaoyun Li
  2017-08-04  8:40 ` Xing, Beilei
  0 siblings, 1 reply; 3+ messages in thread
From: Xiaoyun Li @ 2017-08-04 15:50 UTC (permalink / raw)
  To: jingjing.wu, beilei.xing; +Cc: dev, Xiaoyun Li, stable

This reverts commit 035a8cf88f010c82de3040c895c801ce0849b065.
Don't send messages to inactive VF will cause DPDK PF failing
to send messages to kernel VF.
With this revert, this issue will be solved.

commit 035a8cf88f01 ("net/i40e: fix PF notify when VF is not up")
Cc: stable@dpdk.org

Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
---
 drivers/net/i40e/i40e_pf.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
index e64f849..100f8dc 100644
--- a/drivers/net/i40e/i40e_pf.c
+++ b/drivers/net/i40e/i40e_pf.c
@@ -152,21 +152,20 @@ 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)
+			break;
+	}
 
-		if (i >= VFRESET_MAX_WAIT_CNT) {
-			PMD_DRV_LOG(ERR, "VF reset timeout");
-			return -ETIMEDOUT;
-		}
-		vf->state = I40E_VF_ACTIVE;
+	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) {
@@ -262,10 +261,7 @@ i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf,
 {
 	struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 	uint16_t abs_vf_id = hw->func_caps.vf_base_id + vf->vf_idx;
-	int ret = I40E_ERR_ADMIN_QUEUE_ERROR;
-
-	if (vf->state == I40E_VF_INACTIVE)
-		return ret;
+	int ret;
 
 	ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval,
 						msg, msglen, NULL);
-- 
2.7.4

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-08-04 23:30 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-08-04 15:50 [dpdk-dev] [PATCH] net/i40e: revert fix of PF notify issue when VF not up Xiaoyun Li
2017-08-04  8:40 ` Xing, Beilei
2017-08-04 23:30   ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).