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136 lines
4.6 KiB
136 lines
4.6 KiB
From 3812e23f6b19d7e1e850094d1a5a04b7403d194f Mon Sep 17 00:00:00 2001
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From: David Marchand <david.marchand@redhat.com>
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Date: Tue, 13 Dec 2022 10:18:37 +0100
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Subject: [PATCH] net/i40e: revert link status check on device start
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[ upstream commit a8ca8edf8c076c765c6d142ab4664a1f61414233 ]
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The mentioned changes broke existing applications when the link status
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of i40e ports is down at the time the port is started.
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Revert those changes, the original issue will need a different fix.
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Fixes: a4ba77367923 ("net/i40e: enable maximum frame size at port level")
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Fixes: 2184f7cdeeaa ("net/i40e: fix max frame size config at port level")
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Fixes: 719469f13b11 ("net/i40e: fix jumbo frame Rx with X722")
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Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=2173794
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Signed-off-by: David Marchand <david.marchand@redhat.com>
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Acked-by: Simei Su <simei.su@intel.com>
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---
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drivers/net/i40e/i40e_ethdev.c | 50 +++++-----------------------------
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1 file changed, 7 insertions(+), 43 deletions(-)
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diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
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index 7726a89d99..a982e42264 100644
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--- a/drivers/net/i40e/i40e_ethdev.c
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+++ b/drivers/net/i40e/i40e_ethdev.c
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@@ -387,7 +387,6 @@ static int i40e_set_default_mac_addr(struct rte_eth_dev *dev,
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struct rte_ether_addr *mac_addr);
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static int i40e_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
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-static void i40e_set_mac_max_frame(struct rte_eth_dev *dev, uint16_t size);
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static int i40e_ethertype_filter_convert(
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const struct rte_eth_ethertype_filter *input,
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@@ -1711,6 +1710,11 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused)
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*/
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i40e_add_tx_flow_control_drop_filter(pf);
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+ /* Set the max frame size to 0x2600 by default,
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+ * in case other drivers changed the default value.
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+ */
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+ i40e_aq_set_mac_config(hw, I40E_FRAME_SIZE_MAX, TRUE, false, 0, NULL);
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+
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/* initialize RSS rule list */
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TAILQ_INIT(&pf->rss_config_list);
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@@ -2328,7 +2332,6 @@ i40e_dev_start(struct rte_eth_dev *dev)
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uint32_t intr_vector = 0;
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struct i40e_vsi *vsi;
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uint16_t nb_rxq, nb_txq;
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- uint16_t max_frame_size;
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hw->adapter_stopped = 0;
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@@ -2467,9 +2470,6 @@ i40e_dev_start(struct rte_eth_dev *dev)
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"please call hierarchy_commit() "
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"before starting the port");
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- max_frame_size = dev->data->mtu + I40E_ETH_OVERHEAD;
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- i40e_set_mac_max_frame(dev, max_frame_size);
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-
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return I40E_SUCCESS;
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tx_err:
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@@ -2809,9 +2809,6 @@ i40e_dev_set_link_down(struct rte_eth_dev *dev)
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return i40e_phy_conf_link(hw, abilities, speed, false);
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}
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-#define CHECK_INTERVAL 100 /* 100ms */
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-#define MAX_REPEAT_TIME 10 /* 1s (10 * 100ms) in total */
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-
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static __rte_always_inline void
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update_link_reg(struct i40e_hw *hw, struct rte_eth_link *link)
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{
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@@ -2878,6 +2875,8 @@ static __rte_always_inline void
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update_link_aq(struct i40e_hw *hw, struct rte_eth_link *link,
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bool enable_lse, int wait_to_complete)
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{
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+#define CHECK_INTERVAL 100 /* 100ms */
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+#define MAX_REPEAT_TIME 10 /* 1s (10 * 100ms) in total */
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uint32_t rep_cnt = MAX_REPEAT_TIME;
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struct i40e_link_status link_status;
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int status;
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@@ -6738,7 +6737,6 @@ i40e_dev_handle_aq_msg(struct rte_eth_dev *dev)
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if (!ret)
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rte_eth_dev_callback_process(dev,
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RTE_ETH_EVENT_INTR_LSC, NULL);
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-
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break;
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default:
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PMD_DRV_LOG(DEBUG, "Request %u is not supported yet",
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@@ -12123,40 +12121,6 @@ i40e_cloud_filter_qinq_create(struct i40e_pf *pf)
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return ret;
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}
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-static void
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-i40e_set_mac_max_frame(struct rte_eth_dev *dev, uint16_t size)
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-{
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- struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
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- uint32_t rep_cnt = MAX_REPEAT_TIME;
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- struct rte_eth_link link;
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- enum i40e_status_code status;
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- bool can_be_set = true;
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-
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- /*
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- * I40E_MEDIA_TYPE_BASET link up can be ignored
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- * I40E_MEDIA_TYPE_BASET link down that hw->phy.media_type
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- * is I40E_MEDIA_TYPE_UNKNOWN
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- */
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- if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
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- hw->phy.media_type != I40E_MEDIA_TYPE_UNKNOWN) {
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- do {
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- update_link_reg(hw, &link);
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- if (link.link_status)
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- break;
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- rte_delay_ms(CHECK_INTERVAL);
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- } while (--rep_cnt);
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- can_be_set = !!link.link_status;
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- }
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-
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- if (can_be_set) {
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- status = i40e_aq_set_mac_config(hw, size, TRUE, 0, false, NULL);
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- if (status != I40E_SUCCESS)
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- PMD_DRV_LOG(ERR, "Failed to set max frame size at port level");
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- } else {
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- PMD_DRV_LOG(ERR, "Set max frame size at port level not applicable on link down");
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- }
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-}
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-
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RTE_LOG_REGISTER_SUFFIX(i40e_logtype_init, init, NOTICE);
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RTE_LOG_REGISTER_SUFFIX(i40e_logtype_driver, driver, NOTICE);
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#ifdef RTE_ETHDEV_DEBUG_RX
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--
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2.39.2
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