1 From fcbd40d4327b36725c4de9f33f57809edc359f4a Mon Sep 17 00:00:00 2001
2 From: Qi Zhang <qi.z.zhang@intel.com>
3 Date: Thu, 20 Oct 2016 04:40:13 +0800
4 Subject: [PATCH] net/i40e: fix Rx hang when disable LLDP
6 Remove stopping LLDP as a workaround for a known
7 errata which can cause Rx hang.
10 http://www.intel.com/content/www/us/en/embedded/products/networking/xl710-10-40-controller-spec-update.html
12 Fixes: 4861cde46116 ("i40e: new poll mode driver")
14 Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
15 Acked-by: Jingjing Wu <jingjing.wu@intel.com>
17 drivers/net/i40e/i40e_ethdev.c | 9 ---------
18 1 file changed, 9 deletions(-)
20 diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
21 index ca515dd..bb81b15 100644
22 --- a/drivers/net/i40e/i40e_ethdev.c
23 +++ b/drivers/net/i40e/i40e_ethdev.c
24 @@ -1223,11 +1223,6 @@ eth_i40e_dev_uninit(struct rte_eth_dev *dev)
25 dev->rx_pkt_burst = NULL;
26 dev->tx_pkt_burst = NULL;
29 - ret = i40e_aq_stop_lldp(hw, true, NULL);
30 - if (ret != I40E_SUCCESS) /* Its failure can be ignored */
31 - PMD_INIT_LOG(INFO, "Failed to stop lldp");
34 i40e_clear_pxe_mode(hw);
36 @@ -9432,10 +9427,6 @@ i40e_dcb_init_configure(struct rte_eth_dev *dev, bool sw_dcb)
37 * LLDP MIB change event.
40 - ret = i40e_aq_stop_lldp(hw, TRUE, NULL);
41 - if (ret != I40E_SUCCESS)
42 - PMD_INIT_LOG(DEBUG, "Failed to stop lldp");
44 ret = i40e_init_dcb(hw);
45 /* if sw_dcb, lldp agent is stopped, the return from
46 * i40e_init_dcb we expect is failure with I40E_AQ_RC_EPERM