From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c | 41 ++++++++++++++++++++++++++++-------------
1 files changed, 28 insertions(+), 13 deletions(-)
diff --git a/kernel/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/kernel/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
index 8386929..4a872f3 100644
--- a/kernel/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
+++ b/kernel/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013-2014 Chelsio Communications. All rights reserved.
*
* Written by Anish Bhatt (anish@chelsio.com)
* Casey Leedom (leedom@chelsio.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
- *
*/
#include "cxgb4.h"
@@ -114,6 +102,24 @@
cxgb4_dcb_state_init(dev);
}
+/* update the dcb port support, if version is IEEE then set it to
+ * FW_PORT_DCB_VER_IEEE and if DCB_CAP_DCBX_VER_CEE is already set then
+ * clear that. and if it is set to CEE then set dcb supported to
+ * DCB_CAP_DCBX_VER_CEE & if DCB_CAP_DCBX_VER_IEEE is set, clear it
+ */
+static inline void cxgb4_dcb_update_support(struct port_dcb_info *dcb)
+{
+ if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) {
+ if (dcb->supported & DCB_CAP_DCBX_VER_CEE)
+ dcb->supported &= ~DCB_CAP_DCBX_VER_CEE;
+ dcb->supported |= DCB_CAP_DCBX_VER_IEEE;
+ } else if (dcb->dcb_version == FW_PORT_DCB_VER_CEE1D01) {
+ if (dcb->supported & DCB_CAP_DCBX_VER_IEEE)
+ dcb->supported &= ~DCB_CAP_DCBX_VER_IEEE;
+ dcb->supported |= DCB_CAP_DCBX_VER_CEE;
+ }
+}
+
/* Finite State machine for Data Center Bridging.
*/
void cxgb4_dcb_state_fsm(struct net_device *dev,
@@ -165,6 +171,15 @@
}
case CXGB4_DCB_STATE_FW_INCOMPLETE: {
+ if (transition_to != CXGB4_DCB_INPUT_FW_DISABLED) {
+ /* during this CXGB4_DCB_STATE_FW_INCOMPLETE state,
+ * check if the dcb version is changed (there can be
+ * mismatch in default config & the negotiated switch
+ * configuration at FW, so update the dcb support
+ * accordingly.
+ */
+ cxgb4_dcb_update_support(dcb);
+ }
switch (transition_to) {
case CXGB4_DCB_INPUT_FW_ENABLED: {
/* we're alreaady in firmware DCB mode */
--
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