* [dpdk-dev] [PATCH] net/i40e: fix Rx hang when disable LLDP
@ 2016-10-19 19:40 Qi Zhang
0 siblings, 0 replies; only message in thread
From: Qi Zhang @ 2016-10-19 19:40 UTC (permalink / raw)
To: jingjing.wu, helin.zhang; +Cc: dev, Qi Zhang
Disabling LLDP result in the device firmware
not configuring the receive packet buffer, this
possibly causing a receive hang.
Fixes: 4861cde46116 ("i40e: new poll mode driver")
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 5af0e43..08e4049 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1215,11 +1215,6 @@ eth_i40e_dev_uninit(struct rte_eth_dev *dev)
dev->rx_pkt_burst = NULL;
dev->tx_pkt_burst = NULL;
- /* Disable LLDP */
- ret = i40e_aq_stop_lldp(hw, true, NULL);
- if (ret != I40E_SUCCESS) /* Its failure can be ignored */
- PMD_INIT_LOG(INFO, "Failed to stop lldp");
-
/* Clear PXE mode */
i40e_clear_pxe_mode(hw);
@@ -9385,10 +9380,6 @@ i40e_dcb_init_configure(struct rte_eth_dev *dev, bool sw_dcb)
* LLDP MIB change event.
*/
if (sw_dcb == TRUE) {
- ret = i40e_aq_stop_lldp(hw, TRUE, NULL);
- if (ret != I40E_SUCCESS)
- PMD_INIT_LOG(DEBUG, "Failed to stop lldp");
-
ret = i40e_init_dcb(hw);
/* if sw_dcb, lldp agent is stopped, the return from
* i40e_init_dcb we expect is failure with I40E_AQ_RC_EPERM
--
2.7.4
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