aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ixgbe/ixgbe_dcb_nl.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/net/ixgbe/ixgbe_dcb_nl.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index 91ff51c53b04..8abef8d588fd 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -642,8 +642,9 @@ static int ixgbe_dcbnl_ieee_setets(struct net_device *dev,
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
__u16 refill[IEEE_8021QAZ_MAX_TCS], max[IEEE_8021QAZ_MAX_TCS];
+ __u8 prio_type[IEEE_8021QAZ_MAX_TCS];
int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN;
- int err;
+ int i, err;
/* naively give each TC a bwg to map onto CEE hardware */
__u8 bwg_id[IEEE_8021QAZ_MAX_TCS] = {0, 1, 2, 3, 4, 5, 6, 7};
@@ -659,9 +660,28 @@ static int ixgbe_dcbnl_ieee_setets(struct net_device *dev,
memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets));
+ /* Map TSA onto CEE prio type */
+ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
+ switch (ets->tc_tsa[i]) {
+ case IEEE_8021QAZ_TSA_STRICT:
+ prio_type[i] = 2;
+ break;
+ case IEEE_8021QAZ_TSA_ETS:
+ prio_type[i] = 0;
+ break;
+ default:
+ /* Hardware only supports priority strict or
+ * ETS transmission selection algorithms if
+ * we receive some other value from dcbnl
+ * throw an error
+ */
+ return -EINVAL;
+ }
+ }
+
ixgbe_ieee_credits(ets->tc_tx_bw, refill, max, max_frame);
err = ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max,
- bwg_id, ets->tc_tsa);
+ bwg_id, prio_type);
return err;
}