From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/net/ethernet/intel/igc/igc.h | 39 ++++++++++++++++++++++++++++++++++++---
1 files changed, 36 insertions(+), 3 deletions(-)
diff --git a/kernel/drivers/net/ethernet/intel/igc/igc.h b/kernel/drivers/net/ethernet/intel/igc/igc.h
index a97bf7a..31af08c 100644
--- a/kernel/drivers/net/ethernet/intel/igc/igc.h
+++ b/kernel/drivers/net/ethernet/intel/igc/igc.h
@@ -13,6 +13,7 @@
#include <linux/ptp_clock_kernel.h>
#include <linux/timecounter.h>
#include <linux/net_tstamp.h>
+#include <linux/bitfield.h>
#include "igc_hw.h"
@@ -87,6 +88,8 @@
u8 queue_index; /* logical index of the ring*/
u8 reg_idx; /* physical index of the ring */
bool launchtime_enable; /* true if LaunchTime is enabled */
+ ktime_t last_tx_cycle; /* end of the cycle with a launchtime transmission */
+ ktime_t last_ff_cycle; /* Last cycle with an active first flag */
u32 start_time;
u32 end_time;
@@ -207,6 +210,10 @@
struct ptp_clock *ptp_clock;
struct ptp_clock_info ptp_caps;
struct work_struct ptp_tx_work;
+ /* Access to ptp_tx_skb and ptp_tx_start are protected by the
+ * ptp_tx_lock.
+ */
+ spinlock_t ptp_tx_lock;
struct sk_buff *ptp_tx_skb;
struct hwtstamp_config tstamp_config;
unsigned long ptp_tx_start;
@@ -270,6 +277,33 @@
#define IGC_MRQC_RSS_FIELD_IPV4_UDP 0x00400000
#define IGC_MRQC_RSS_FIELD_IPV6_UDP 0x00800000
+/* RX-desc Write-Back format RSS Type's */
+enum igc_rss_type_num {
+ IGC_RSS_TYPE_NO_HASH = 0,
+ IGC_RSS_TYPE_HASH_TCP_IPV4 = 1,
+ IGC_RSS_TYPE_HASH_IPV4 = 2,
+ IGC_RSS_TYPE_HASH_TCP_IPV6 = 3,
+ IGC_RSS_TYPE_HASH_IPV6_EX = 4,
+ IGC_RSS_TYPE_HASH_IPV6 = 5,
+ IGC_RSS_TYPE_HASH_TCP_IPV6_EX = 6,
+ IGC_RSS_TYPE_HASH_UDP_IPV4 = 7,
+ IGC_RSS_TYPE_HASH_UDP_IPV6 = 8,
+ IGC_RSS_TYPE_HASH_UDP_IPV6_EX = 9,
+ IGC_RSS_TYPE_MAX = 10,
+};
+#define IGC_RSS_TYPE_MAX_TABLE 16
+#define IGC_RSS_TYPE_MASK GENMASK(3,0) /* 4-bits (3:0) = mask 0x0F */
+
+/* igc_rss_type - Rx descriptor RSS type field */
+static inline u32 igc_rss_type(const union igc_adv_rx_desc *rx_desc)
+{
+ /* RSS Type 4-bits (3:0) number: 0-9 (above 9 is reserved)
+ * Accessing the same bits via u16 (wb.lower.lo_dword.hs_rss.pkt_info)
+ * is slightly slower than via u32 (wb.lower.lo_dword.data)
+ */
+ return le32_get_bits(rx_desc->wb.lower.lo_dword.data, IGC_RSS_TYPE_MASK);
+}
+
/* Interrupt defines */
#define IGC_START_ITR 648 /* ~6000 ints/sec */
#define IGC_4K_ITR 980
@@ -285,11 +319,11 @@
/* TX/RX descriptor defines */
#define IGC_DEFAULT_TXD 256
#define IGC_DEFAULT_TX_WORK 128
-#define IGC_MIN_TXD 80
+#define IGC_MIN_TXD 64
#define IGC_MAX_TXD 4096
#define IGC_DEFAULT_RXD 256
-#define IGC_MIN_RXD 80
+#define IGC_MIN_RXD 64
#define IGC_MAX_RXD 4096
/* Supported Rx Buffer Sizes */
@@ -359,7 +393,6 @@
__IGC_TESTING,
__IGC_RESETTING,
__IGC_DOWN,
- __IGC_PTP_TX_IN_PROGRESS,
};
enum igc_tx_flags {
--
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