diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_ah.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_ah.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c index e77fcc74f15c..3df032ddda18 100644 --- a/drivers/infiniband/hw/hns/hns_roce_ah.c +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c @@ -33,7 +33,9 @@ #include <linux/pci.h> #include <rdma/ib_addr.h> #include <rdma/ib_cache.h> +#include "hnae3.h" #include "hns_roce_device.h" +#include "hns_roce_hw_v2.h" static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr) { @@ -57,6 +59,7 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr, struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device); struct hns_roce_ah *ah = to_hr_ah(ibah); int ret = 0; + u32 max_sl; if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08 && udata) return -EOPNOTSUPP; @@ -70,9 +73,17 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr, ah->av.hop_limit = grh->hop_limit; ah->av.flowlabel = grh->flow_label; ah->av.udp_sport = get_ah_udp_sport(ah_attr); - ah->av.sl = rdma_ah_get_sl(ah_attr); ah->av.tclass = get_tclass(grh); + ah->av.sl = rdma_ah_get_sl(ah_attr); + max_sl = min_t(u32, MAX_SERVICE_LEVEL, hr_dev->caps.sl_num - 1); + if (unlikely(ah->av.sl > max_sl)) { + ibdev_err_ratelimited(&hr_dev->ib_dev, + "failed to set sl, sl (%u) shouldn't be larger than %u.\n", + ah->av.sl, max_sl); + return -EINVAL; + } + memcpy(ah->av.dgid, grh->dgid.raw, HNS_ROCE_GID_SIZE); memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN); |