This patch adds ixgbe_set_fdir_drop_queue_82599 for enabling and
setting flow director drop queue, and adds sets drop no match in
ixgbe_init_fdir_perfect_82599 for x550.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
---
drivers/net/ixgbe/base/ixgbe_82599.c | 38 +++++++++++++++++++++++++++++++++++-
drivers/net/ixgbe/base/ixgbe_api.h | 1 +
drivers/net/ixgbe/base/ixgbe_type.h | 2 ++
3 files changed, 40 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_82599.c
b/drivers/net/ixgbe/base/ixgbe_82599.c
index 760894f..2318190 100644
--- a/drivers/net/ixgbe/base/ixgbe_82599.c
+++ b/drivers/net/ixgbe/base/ixgbe_82599.c
@@ -1369,7 +1369,7 @@ s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw,
u32 fdirctrl,
* Continue setup of fdirctrl register bits:
* Turn perfect match filtering on
* Report hash in RSS field of Rx wb descriptor
- * Initialize the drop queue
+ * Initialize the drop queue to queue 127
* Move the flexible bytes to use the ethertype - shift 6 words
* Set the maximum length per hash bucket to 0xA filters
* Send interrupt when 64 (0x4 * 16) filters are left
@@ -1380,6 +1380,9 @@ s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw,
u32 fdirctrl,
(0x6 << IXGBE_FDIRCTRL_FLEX_SHIFT) |
(0xA << IXGBE_FDIRCTRL_MAX_LENGTH_SHIFT) |
(4 << IXGBE_FDIRCTRL_FULL_THRESH_SHIFT);
+ if ((hw->mac.type == ixgbe_mac_X550) ||
+ (hw->mac.type == ixgbe_mac_X550EM_x))
+ fdirctrl |= IXGBE_FDIRCTRL_DROP_NO_MATCH;
if (cloud_mode)
fdirctrl |=(IXGBE_FDIRCTRL_FILTERMODE_CLOUD <<
@@ -1391,6 +1394,39 @@ s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw,
u32 fdirctrl,
return IXGBE_SUCCESS;
}
+/**
+ * ixgbe_set_fdir_drop_queue_82599 - Set Flow Director drop queue
+ * @hw: pointer to hardware structure
+ * @dropqueue: Rx queue index used for the dropped packets
+ **/
+void ixgbe_set_fdir_drop_queue_82599(struct ixgbe_hw *hw, u8 dropqueue)
+{
+ u32 fdirctrl;
+
+ DEBUGFUNC("ixgbe_set_fdir_drop_queue_82599");
+ /* Clear init done bit and drop queue field */
+ fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
+ fdirctrl &= ~(IXGBE_FDIRCTRL_DROP_Q_MASK | IXGBE_FDIRCTRL_INIT_DONE);
+
+ /* Set drop queue */
+ fdirctrl |= (dropqueue << IXGBE_FDIRCTRL_DROP_Q_SHIFT);
+ if ((hw->mac.type == ixgbe_mac_X550) ||
+ (hw->mac.type == ixgbe_mac_X550EM_x))
+ fdirctrl |= IXGBE_FDIRCTRL_DROP_NO_MATCH;
+
+ IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
+ (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) |
+ IXGBE_FDIRCMD_CLEARHT));
+ IXGBE_WRITE_FLUSH(hw);
+ IXGBE_WRITE_REG(hw, IXGBE_FDIRCMD,
+ (IXGBE_READ_REG(hw, IXGBE_FDIRCMD) &
+ ~IXGBE_FDIRCMD_CLEARHT));
+ IXGBE_WRITE_FLUSH(hw);
+
+ /* write hashes and fdirctrl register, poll for completion */
+ ixgbe_fdir_enable_82599(hw, fdirctrl);
+}
+
/*
* These defines allow us to quickly generate all of the necessary instructions
* in the function below by simply calling out IXGBE_COMPUTE_SIG_HASH_ITERATION
diff --git a/drivers/net/ixgbe/base/ixgbe_api.h
b/drivers/net/ixgbe/base/ixgbe_api.h
index c751132..d915f9b 100644
--- a/drivers/net/ixgbe/base/ixgbe_api.h
+++ b/drivers/net/ixgbe/base/ixgbe_api.h
@@ -181,6 +181,7 @@ s32 ixgbe_read_i2c_combined_unlocked(struct ixgbe_hw *hw,
u8 addr, u16 reg,
u16 *val);
s32 ixgbe_write_i2c_byte(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
u8 data);
+void ixgbe_set_fdir_drop_queue_82599(struct ixgbe_hw *hw, u8 dropqueue);
s32 ixgbe_write_i2c_byte_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
u8 dev_addr, u8 data);
s32 ixgbe_write_i2c_combined(struct ixgbe_hw *hw, u8 addr, u16 reg, u16 val);
diff --git a/drivers/net/ixgbe/base/ixgbe_type.h
b/drivers/net/ixgbe/base/ixgbe_type.h
index 2015370..cd2bd7d 100644
--- a/drivers/net/ixgbe/base/ixgbe_type.h
+++ b/drivers/net/ixgbe/base/ixgbe_type.h
@@ -2839,7 +2839,9 @@ enum ixgbe_fdir_pballoc_type {
#define IXGBE_FDIRCTRL_REPORT_STATUS 0x00000020
#define IXGBE_FDIRCTRL_REPORT_STATUS_ALWAYS 0x00000080
#define IXGBE_FDIRCTRL_DROP_Q_SHIFT 8
+#define IXGBE_FDIRCTRL_DROP_Q_MASK 0x00007F00
#define IXGBE_FDIRCTRL_FLEX_SHIFT 16
+#define IXGBE_FDIRCTRL_DROP_NO_MATCH 0x00008000
#define IXGBE_FDIRCTRL_FILTERMODE_SHIFT 21
#define IXGBE_FDIRCTRL_FILTERMODE_MACVLAN 0x0001 /* bit 23:21, 001b */
#define IXGBE_FDIRCTRL_FILTERMODE_CLOUD 0x0002 /* bit 23:21,
010b */
--
1.9.3
