From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 23 +++++++++++++++--------
1 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/kernel/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index d5fd49d..decc1c0 100644
--- a/kernel/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/kernel/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -524,19 +524,28 @@
netif_dbg(pdata, drv, pdata->netdev, "VXLAN acceleration disabled\n");
}
+static unsigned int xgbe_get_fc_queue_count(struct xgbe_prv_data *pdata)
+{
+ unsigned int max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES;
+
+ /* From MAC ver 30H the TFCR is per priority, instead of per queue */
+ if (XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER) >= 0x30)
+ return max_q_count;
+ else
+ return min_t(unsigned int, pdata->tx_q_count, max_q_count);
+}
+
static int xgbe_disable_tx_flow_control(struct xgbe_prv_data *pdata)
{
- unsigned int max_q_count, q_count;
unsigned int reg, reg_val;
- unsigned int i;
+ unsigned int i, q_count;
/* Clear MTL flow control */
for (i = 0; i < pdata->rx_q_count; i++)
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_Q_RQOMR, EHFC, 0);
/* Clear MAC flow control */
- max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES;
- q_count = min_t(unsigned int, pdata->tx_q_count, max_q_count);
+ q_count = xgbe_get_fc_queue_count(pdata);
reg = MAC_Q0TFCR;
for (i = 0; i < q_count; i++) {
reg_val = XGMAC_IOREAD(pdata, reg);
@@ -553,9 +562,8 @@
{
struct ieee_pfc *pfc = pdata->pfc;
struct ieee_ets *ets = pdata->ets;
- unsigned int max_q_count, q_count;
unsigned int reg, reg_val;
- unsigned int i;
+ unsigned int i, q_count;
/* Set MTL flow control */
for (i = 0; i < pdata->rx_q_count; i++) {
@@ -579,8 +587,7 @@
}
/* Set MAC flow control */
- max_q_count = XGMAC_MAX_FLOW_CONTROL_QUEUES;
- q_count = min_t(unsigned int, pdata->tx_q_count, max_q_count);
+ q_count = xgbe_get_fc_queue_count(pdata);
reg = MAC_Q0TFCR;
for (i = 0; i < q_count; i++) {
reg_val = XGMAC_IOREAD(pdata, reg);
--
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