[dpdk-dev] [PATCH v3 30/69] net/ice/base: disable Tx pacing option

Leyi Rong leyi.rong at intel.com
Wed Jun 19 17:18:07 CEST 2019


With the current NVM, after GLOBR, before the first link up event, FW
will return to base driver, the pacing value of 20 percents for some
reason, in the get-link-status AQ command. We then use this value as
the pacing param for the set-mac-info AQ command. As result, we are
limited to 20 percents of the available bandwidth until the first
set-mac-info AQ call after the link up event.

Signed-off-by: Chinh T Cao <chinh.t.cao at intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr at intel.com>
Signed-off-by: Leyi Rong <leyi.rong at intel.com>
---
 drivers/net/ice/base/ice_common.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index 5490c1dfd..8af1be9a3 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -449,11 +449,7 @@ ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
 {
 	u16 fc_threshold_val, tx_timer_val;
 	struct ice_aqc_set_mac_cfg *cmd;
-	struct ice_port_info *pi;
 	struct ice_aq_desc desc;
-	enum ice_status status;
-	u8 port_num = 0;
-	bool link_up;
 	u32 reg_val;
 
 	cmd = &desc.params.set_mac_cfg;
@@ -465,21 +461,6 @@ ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
 
 	cmd->max_frame_size = CPU_TO_LE16(max_frame_size);
 
-	/* Retrieve the current data_pacing value in FW*/
-	pi = &hw->port_info[port_num];
-
-	/* We turn on the get_link_info so that ice_update_link_info(...)
-	 * can be called.
-	 */
-	pi->phy.get_link_info = 1;
-
-	status = ice_get_link_status(pi, &link_up);
-
-	if (status)
-		return status;
-
-	cmd->params = pi->phy.link_info.pacing;
-
 	/* We read back the transmit timer and fc threshold value of
 	 * LFC. Thus, we will use index =
 	 * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
-- 
2.17.1



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