diff options
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_regs.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 35d1e4f2c92c..10efcd88dca0 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -117,6 +117,7 @@ /* TX Rate Limit Registers */ #define E1000_RTTDQSEL 0x3604 /* Tx Desc Plane Queue Select - WO */ +#define E1000_RTTBCNRM 0x3690 /* Tx BCN Rate-scheduler MMW */ #define E1000_RTTBCNRC 0x36B0 /* Tx BCN Rate-Scheduler Config - WO */ /* Split and Replication RX Control - RW */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index dd3bfe8cd36c..64090549722d 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6997,6 +6997,11 @@ static void igb_set_vf_rate_limit(struct e1000_hw *hw, int vf, int tx_rate, } wr32(E1000_RTTDQSEL, vf); /* vf X uses queue X */ + /* + * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM + * register. MMW_SIZE=0x014 if 9728-byte jumbo is supported. + */ + wr32(E1000_RTTBCNRM, 0x14); wr32(E1000_RTTBCNRC, bcnrc_val); } |