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path: root/drivers/infiniband/hw/mlx5/ah.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/ah.c')
-rw-r--r--drivers/infiniband/hw/mlx5/ah.c44
1 files changed, 31 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/mlx5/ah.c b/drivers/infiniband/hw/mlx5/ah.c
index 80642dd359bc..505bc47fd575 100644
--- a/drivers/infiniband/hw/mlx5/ah.c
+++ b/drivers/infiniband/hw/mlx5/ah.c
@@ -32,9 +32,28 @@
#include "mlx5_ib.h"
+static __be16 mlx5_ah_get_udp_sport(const struct mlx5_ib_dev *dev,
+ const struct rdma_ah_attr *ah_attr)
+{
+ enum ib_gid_type gid_type = ah_attr->grh.sgid_attr->gid_type;
+ __be16 sport;
+
+ if ((gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) &&
+ (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) &&
+ (ah_attr->grh.flow_label & IB_GRH_FLOWLABEL_MASK))
+ sport = cpu_to_be16(
+ rdma_flow_label_to_udp_sport(ah_attr->grh.flow_label));
+ else
+ sport = mlx5_get_roce_udp_sport_min(dev,
+ ah_attr->grh.sgid_attr);
+
+ return sport;
+}
+
static void create_ib_ah(struct mlx5_ib_dev *dev, struct mlx5_ib_ah *ah,
- struct rdma_ah_attr *ah_attr)
+ struct rdma_ah_init_attr *init_attr)
{
+ struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
enum ib_gid_type gid_type;
if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) {
@@ -51,12 +70,15 @@ static void create_ib_ah(struct mlx5_ib_dev *dev, struct mlx5_ib_ah *ah,
ah->av.stat_rate_sl = (rdma_ah_get_static_rate(ah_attr) << 4);
if (ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) {
+ if (init_attr->xmit_slave)
+ ah->xmit_port =
+ mlx5_lag_get_slave_port(dev->mdev,
+ init_attr->xmit_slave);
gid_type = ah_attr->grh.sgid_attr->gid_type;
memcpy(ah->av.rmac, ah_attr->roce.dmac,
sizeof(ah_attr->roce.dmac));
- ah->av.udp_sport =
- mlx5_get_roce_udp_sport(dev, ah_attr->grh.sgid_attr);
+ ah->av.udp_sport = mlx5_ah_get_udp_sport(dev, ah_attr);
ah->av.stat_rate_sl |= (rdma_ah_get_sl(ah_attr) & 0x7) << 1;
if (gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP)
#define MLX5_ECN_ENABLED BIT(1)
@@ -68,10 +90,11 @@ static void create_ib_ah(struct mlx5_ib_dev *dev, struct mlx5_ib_ah *ah,
}
}
-int mlx5_ib_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata)
+int mlx5_ib_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
+ struct ib_udata *udata)
{
+ struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
struct mlx5_ib_ah *ah = to_mah(ibah);
struct mlx5_ib_dev *dev = to_mdev(ibah->device);
enum rdma_ah_attr_type ah_type = ah_attr->type;
@@ -83,8 +106,8 @@ int mlx5_ib_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
if (ah_type == RDMA_AH_ATTR_TYPE_ROCE && udata) {
int err;
struct mlx5_ib_create_ah_resp resp = {};
- u32 min_resp_len = offsetof(typeof(resp), dmac) +
- sizeof(resp.dmac);
+ u32 min_resp_len =
+ offsetofend(struct mlx5_ib_create_ah_resp, dmac);
if (udata->outlen < min_resp_len)
return -EINVAL;
@@ -97,7 +120,7 @@ int mlx5_ib_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
return err;
}
- create_ib_ah(dev, ah, ah_attr);
+ create_ib_ah(dev, ah, init_attr);
return 0;
}
@@ -124,8 +147,3 @@ int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr)
return 0;
}
-
-void mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags)
-{
- return;
-}