diff options
Diffstat (limited to 'patches/dpdk_custom_patch/i40e-fix-Rx-hang-when-disable-LLDP.patch')
| -rw-r--r-- | patches/dpdk_custom_patch/i40e-fix-Rx-hang-when-disable-LLDP.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/patches/dpdk_custom_patch/i40e-fix-Rx-hang-when-disable-LLDP.patch b/patches/dpdk_custom_patch/i40e-fix-Rx-hang-when-disable-LLDP.patch new file mode 100644 index 00000000..7b0e5361 --- /dev/null +++ b/patches/dpdk_custom_patch/i40e-fix-Rx-hang-when-disable-LLDP.patch @@ -0,0 +1,49 @@ +From fcbd40d4327b36725c4de9f33f57809edc359f4a Mon Sep 17 00:00:00 2001 +From: Qi Zhang <qi.z.zhang@intel.com> +Date: Thu, 20 Oct 2016 04:40:13 +0800 +Subject: [PATCH] net/i40e: fix Rx hang when disable LLDP + +Remove stopping LLDP as a workaround for a known +errata which can cause Rx hang. + +Ref: Item #70 from +http://www.intel.com/content/www/us/en/embedded/products/networking/xl710-10-40-controller-spec-update.html + +Fixes: 4861cde46116 ("i40e: new poll mode driver") + +Signed-off-by: Qi Zhang <qi.z.zhang@intel.com> +Acked-by: Jingjing Wu <jingjing.wu@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 ca515dd..bb81b15 100644 +--- a/drivers/net/i40e/i40e_ethdev.c ++++ b/drivers/net/i40e/i40e_ethdev.c +@@ -1223,11 +1223,6 @@ 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); + +@@ -9432,10 +9427,6 @@ 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 + |