summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_ah.c18
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_device.h23
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c13
-rw-r--r--include/rdma/ib_verbs.h1
4 files changed, 42 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index 5b2f9314edd3..54cadbc0724e 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -39,6 +39,22 @@
#define HNS_ROCE_VLAN_SL_BIT_MASK 7
#define HNS_ROCE_VLAN_SL_SHIFT 13
+static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr)
+{
+ u32 fl = ah_attr->grh.flow_label;
+ u16 sport;
+
+ if (!fl)
+ sport = get_random_u32() %
+ (IB_ROCE_UDP_ENCAP_VALID_PORT_MAX + 1 -
+ IB_ROCE_UDP_ENCAP_VALID_PORT_MIN) +
+ IB_ROCE_UDP_ENCAP_VALID_PORT_MIN;
+ else
+ sport = rdma_flow_label_to_udp_sport(fl);
+
+ return sport;
+}
+
int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
struct ib_udata *udata)
{
@@ -79,6 +95,8 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE);
ah->av.sl = rdma_ah_get_sl(ah_attr);
+ ah->av.flowlabel = grh->flow_label;
+ ah->av.udp_sport = get_ah_udp_sport(ah_attr);
return 0;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index da9888deff8c..8d92d8d82573 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -537,17 +537,18 @@ struct hns_roce_raq_table {
};
struct hns_roce_av {
- u8 port;
- u8 gid_index;
- u8 stat_rate;
- u8 hop_limit;
- u32 flowlabel;
- u8 sl;
- u8 tclass;
- u8 dgid[HNS_ROCE_GID_SIZE];
- u8 mac[ETH_ALEN];
- u16 vlan_id;
- bool vlan_en;
+ u8 port;
+ u8 gid_index;
+ u8 stat_rate;
+ u8 hop_limit;
+ u32 flowlabel;
+ u16 udp_sport;
+ u8 sl;
+ u8 tclass;
+ u8 dgid[HNS_ROCE_GID_SIZE];
+ u8 mac[ETH_ALEN];
+ u16 vlan_id;
+ bool vlan_en;
};
struct hns_roce_ah {
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index d2968594664b..4da553d435e4 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -369,7 +369,7 @@ static inline int set_ud_wqe(struct hns_roce_qp *qp,
curr_idx & (qp->sge.sge_cnt - 1));
roce_set_field(ud_sq_wqe->byte_24, V2_UD_SEND_WQE_BYTE_24_UDPSPN_M,
- V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, 0);
+ V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, ah->av.udp_sport);
ud_sq_wqe->qkey = cpu_to_le32(ud_wr(wr)->remote_qkey & 0x80000000 ?
qp->qkey : ud_wr(wr)->remote_qkey);
roce_set_field(ud_sq_wqe->byte_32, V2_UD_SEND_WQE_BYTE_32_DQPN_M,
@@ -4165,6 +4165,14 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp,
return 0;
}
+static inline u16 get_udp_sport(u32 fl, u32 lqpn, u32 rqpn)
+{
+ if (!fl)
+ fl = rdma_calc_flow_label(lqpn, rqpn);
+
+ return rdma_flow_label_to_udp_sport(fl);
+}
+
static int hns_roce_v2_set_path(struct ib_qp *ibqp,
const struct ib_qp_attr *attr,
int attr_mask,
@@ -4228,7 +4236,8 @@ static int hns_roce_v2_set_path(struct ib_qp *ibqp,
roce_set_field(context->byte_52_udpspn_dmac, V2_QPC_BYTE_52_UDPSPN_M,
V2_QPC_BYTE_52_UDPSPN_S,
- is_udp ? 0x12b7 : 0);
+ is_udp ? get_udp_sport(grh->flow_label, ibqp->qp_num,
+ attr->dest_qp_num) : 0);
roce_set_field(qpc_mask->byte_52_udpspn_dmac, V2_QPC_BYTE_52_UDPSPN_M,
V2_QPC_BYTE_52_UDPSPN_S, 0);
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 55dfe0e9d1d6..c868609a4ffa 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -4706,6 +4706,7 @@ bool rdma_dev_access_netns(const struct ib_device *device,
const struct net *net);
#define IB_ROCE_UDP_ENCAP_VALID_PORT_MIN (0xC000)
+#define IB_ROCE_UDP_ENCAP_VALID_PORT_MAX (0xFFFF)
#define IB_GRH_FLOWLABEL_MASK (0x000FFFFF)
/**