From: Xiaoyun Li <xiaoyun.li@intel.com>
To: jingjing.wu@intel.com
Cc: dev@dpdk.org, Xiaoyun Li <xiaoyun.li@intel.com>, stable@dpdk.org
Subject: [dpdk-dev] [PATCH v3] net/i40e: fix PF notify issue when VF not up
Date: Fri, 28 Jul 2017 23:48:11 +0800 [thread overview]
Message-ID: <1501256891-38849-1-git-send-email-xiaoyun.li@intel.com> (raw)
In-Reply-To: <1501241979-15767-1-git-send-email-xiaoyun.li@intel.com>
This patch stops PF from sending messages to inactive VF
and modifies VF state to active when VF reset is completed.
Fixes: 4861cde46116 ("i40e: new poll mode driver")
Cc: stable@dpdk.org
Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
---
drivers/net/i40e/i40e_pf.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
index b4cf57f..e64f849 100644
--- a/drivers/net/i40e/i40e_pf.c
+++ b/drivers/net/i40e/i40e_pf.c
@@ -152,22 +152,22 @@ 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;
+ if (i >= VFRESET_MAX_WAIT_CNT) {
+ PMD_DRV_LOG(ERR, "VF reset timeout");
+ return -ETIMEDOUT;
+ }
+ vf->state = I40E_VF_ACTIVE;
}
-
/* This is not first time to do reset, do cleanup job first */
if (vf->vsi) {
/* Disable queues */
@@ -262,7 +262,10 @@ 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;
+ int ret = I40E_ERR_ADMIN_QUEUE_ERROR;
+
+ if (vf->state == I40E_VF_INACTIVE)
+ return ret;
ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval,
msg, msglen, NULL);
--
2.7.4
next prev parent reply other threads:[~2017-07-28 7:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-24 18:42 [dpdk-dev] [PATCH] " Xiaoyun Li
2017-07-26 6:14 ` Yang, Qiming
2017-07-28 11:39 ` [dpdk-dev] [PATCH v2] " Xiaoyun Li
2017-07-28 6:52 ` Wu, Jingjing
2017-07-28 7:06 ` Li, Xiaoyun
2017-07-28 15:48 ` Xiaoyun Li [this message]
2017-07-31 2:50 ` [dpdk-dev] [PATCH v3] " Wu, Jingjing
2017-07-31 14:41 ` Ferruh Yigit
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