d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ixgbe/base: add flow director drop queue

Browse Source 
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@intel.com>
This commit is contained in:
Wenzhuo Lu 2015-11-20 15:17:50 +08:00 committed by Thomas Monjalon
parent 9243820b25
commit 2241ce2816
3 changed files with 40 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/ixgbe/base/ixgbe_82599.c
View File

@ -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

1
drivers/net/ixgbe/base/ixgbe_api.h
View File

@ -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);

2
drivers/net/ixgbe/base/ixgbe_type.h
View File

@ -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 */