X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fnet%2Fethernet%2Fcavium%2Fthunder%2Fnic_main.c;fp=kernel%2Fdrivers%2Fnet%2Fethernet%2Fcavium%2Fthunder%2Fnic_main.c;h=16baaafed26c31523f61b43684d28c2c4a648544;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=5f24d11cb16aad5ae6bd474d538053ac6465c868;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/net/ethernet/cavium/thunder/nic_main.c b/kernel/drivers/net/ethernet/cavium/thunder/nic_main.c
index 5f24d11cb..16baaafed 100644
--- a/kernel/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/kernel/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -309,6 +309,7 @@ static void nic_set_lmac_vf_mapping(struct nicpf *nic)
 static void nic_init_hw(struct nicpf *nic)
 {
 	int i;
+	u64 cqm_cfg;
 
 	/* Enable NIC HW block */
 	nic_reg_write(nic, NIC_PF_CFG, 0x3);
@@ -345,6 +346,11 @@ static void nic_init_hw(struct nicpf *nic)
 	/* Enable VLAN ethertype matching and stripping */
 	nic_reg_write(nic, NIC_PF_RX_ETYPE_0_7,
 		      (2 << 19) | (ETYPE_ALG_VLAN_STRIP << 16) | ETH_P_8021Q);
+
+	/* Check if HW expected value is higher (could be in future chips) */
+	cqm_cfg = nic_reg_read(nic, NIC_PF_CQM_CFG);
+	if (cqm_cfg < NICPF_CQM_MIN_DROP_LEVEL)
+		nic_reg_write(nic, NIC_PF_CQM_CFG, NICPF_CQM_MIN_DROP_LEVEL);
 }
 
 /* Channel parse index configuration */