From 2241ce281646f1e2d0f5e5aadc78e8823cfa57b0 Mon Sep 17 00:00:00 2001 From: Wenzhuo Lu Date: Fri, 20 Nov 2015 15:17:50 +0800 Subject: [PATCH] ixgbe/base: add flow director drop queue 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 --- 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 cc65919cb3..19bd17ed37 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 c751132fb2..d915f9b30a 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 e3c41a9aea..4ef1a81487 100644 --- a/drivers/net/ixgbe/base/ixgbe_type.h +++ b/drivers/net/ixgbe/base/ixgbe_type.h @@ -2838,7 +2838,9 @@ 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 */ -- 2.20.1