cxgb4: add support for tx max rate limiting

Implement set_tx_maxrate NDO to perform per queue tx rate limiting.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index eb30612c5372..f988c600c68d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -881,6 +881,26 @@ struct ch_sched_params {
 	} u;
 };
 
+enum {
+	SCHED_CLASS_TYPE_PACKET = 0,    /* class type */
+};
+
+enum {
+	SCHED_CLASS_LEVEL_CL_RL = 0,    /* class rate limiter */
+};
+
+enum {
+	SCHED_CLASS_MODE_CLASS = 0,     /* per-class scheduling */
+};
+
+enum {
+	SCHED_CLASS_RATEUNIT_BITS = 0,  /* bit rate scheduling */
+};
+
+enum {
+	SCHED_CLASS_RATEMODE_ABS = 1,   /* Kb/s */
+};
+
 /* Support for "sched_queue" command to allow one or more NIC TX Queues
  * to be bound to a TX Scheduling Class.
  */