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path: root/drivers/infiniband/hw/mlx5/qp.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/qp.c')
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c149
1 files changed, 59 insertions, 90 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 8c574b63d77b..f1b49e024664 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1302,6 +1302,11 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, const struct ib_ah_attr *ah,
path->rlid = cpu_to_be16(ah->dlid);
if (ah->ah_flags & IB_AH_GRH) {
+ if (ah->grh.sgid_index >= dev->mdev->caps.port[port - 1].gid_table_len) {
+ pr_err(KERN_ERR "sgid_index (%u) too large. max is %d\n",
+ ah->grh.sgid_index, dev->mdev->caps.port[port - 1].gid_table_len);
+ return -EINVAL;
+ }
path->grh_mlid |= 1 << 7;
path->mgid_index = ah->grh.sgid_index;
path->hop_limit = ah->grh.hop_limit;
@@ -1317,22 +1322,6 @@ static int mlx5_set_path(struct mlx5_ib_dev *dev, const struct ib_ah_attr *ah,
path->static_rate = err;
path->port = port;
- if (ah->ah_flags & IB_AH_GRH) {
- if (ah->grh.sgid_index >= dev->mdev->caps.port[port - 1].gid_table_len) {
- pr_err(KERN_ERR "sgid_index (%u) too large. max is %d\n",
- ah->grh.sgid_index, dev->mdev->caps.port[port - 1].gid_table_len);
- return -EINVAL;
- }
-
- path->grh_mlid |= 1 << 7;
- path->mgid_index = ah->grh.sgid_index;
- path->hop_limit = ah->grh.hop_limit;
- path->tclass_flowlabel =
- cpu_to_be32((ah->grh.traffic_class << 20) |
- (ah->grh.flow_label));
- memcpy(path->rgid, ah->grh.dgid.raw, 16);
- }
-
if (attr_mask & IB_QP_TIMEOUT)
path->ackto_lt = attr->timeout << 3;
@@ -2020,56 +2009,31 @@ static u8 bs_selector(int block_size)
}
}
-static int format_selector(struct ib_sig_attrs *attr,
- struct ib_sig_domain *domain,
- int *selector)
+static void mlx5_fill_inl_bsf(struct ib_sig_domain *domain,
+ struct mlx5_bsf_inl *inl)
{
+ /* Valid inline section and allow BSF refresh */
+ inl->vld_refresh = cpu_to_be16(MLX5_BSF_INL_VALID |
+ MLX5_BSF_REFRESH_DIF);
+ inl->dif_apptag = cpu_to_be16(domain->sig.dif.app_tag);
+ inl->dif_reftag = cpu_to_be32(domain->sig.dif.ref_tag);
+ /* repeating block */
+ inl->rp_inv_seed = MLX5_BSF_REPEAT_BLOCK;
+ inl->sig_type = domain->sig.dif.bg_type == IB_T10DIF_CRC ?
+ MLX5_DIF_CRC : MLX5_DIF_IPCS;
-#define FORMAT_DIF_NONE 0
-#define FORMAT_DIF_CRC_INC 8
-#define FORMAT_DIF_CRC_NO_INC 12
-#define FORMAT_DIF_CSUM_INC 13
-#define FORMAT_DIF_CSUM_NO_INC 14
+ if (domain->sig.dif.ref_remap)
+ inl->dif_inc_ref_guard_check |= MLX5_BSF_INC_REFTAG;
- switch (domain->sig.dif.type) {
- case IB_T10DIF_NONE:
- /* No DIF */
- *selector = FORMAT_DIF_NONE;
- break;
- case IB_T10DIF_TYPE1: /* Fall through */
- case IB_T10DIF_TYPE2:
- switch (domain->sig.dif.bg_type) {
- case IB_T10DIF_CRC:
- *selector = FORMAT_DIF_CRC_INC;
- break;
- case IB_T10DIF_CSUM:
- *selector = FORMAT_DIF_CSUM_INC;
- break;
- default:
- return 1;
- }
- break;
- case IB_T10DIF_TYPE3:
- switch (domain->sig.dif.bg_type) {
- case IB_T10DIF_CRC:
- *selector = domain->sig.dif.type3_inc_reftag ?
- FORMAT_DIF_CRC_INC :
- FORMAT_DIF_CRC_NO_INC;
- break;
- case IB_T10DIF_CSUM:
- *selector = domain->sig.dif.type3_inc_reftag ?
- FORMAT_DIF_CSUM_INC :
- FORMAT_DIF_CSUM_NO_INC;
- break;
- default:
- return 1;
- }
- break;
- default:
- return 1;
+ if (domain->sig.dif.app_escape) {
+ if (domain->sig.dif.ref_escape)
+ inl->dif_inc_ref_guard_check |= MLX5_BSF_APPREF_ESCAPE;
+ else
+ inl->dif_inc_ref_guard_check |= MLX5_BSF_APPTAG_ESCAPE;
}
- return 0;
+ inl->dif_app_bitmask_check =
+ cpu_to_be16(domain->sig.dif.apptag_check_mask);
}
static int mlx5_set_bsf(struct ib_mr *sig_mr,
@@ -2080,45 +2044,49 @@ static int mlx5_set_bsf(struct ib_mr *sig_mr,
struct mlx5_bsf_basic *basic = &bsf->basic;
struct ib_sig_domain *mem = &sig_attrs->mem;
struct ib_sig_domain *wire = &sig_attrs->wire;
- int ret, selector;
memset(bsf, 0, sizeof(*bsf));
+
+ /* Basic + Extended + Inline */
+ basic->bsf_size_sbs = 1 << 7;
+ /* Input domain check byte mask */
+ basic->check_byte_mask = sig_attrs->check_mask;
+ basic->raw_data_size = cpu_to_be32(data_size);
+
+ /* Memory domain */
switch (sig_attrs->mem.sig_type) {
+ case IB_SIG_TYPE_NONE:
+ break;
case IB_SIG_TYPE_T10_DIF:
- if (sig_attrs->wire.sig_type != IB_SIG_TYPE_T10_DIF)
- return -EINVAL;
+ basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval);
+ basic->m_bfs_psv = cpu_to_be32(msig->psv_memory.psv_idx);
+ mlx5_fill_inl_bsf(mem, &bsf->m_inl);
+ break;
+ default:
+ return -EINVAL;
+ }
- /* Input domain check byte mask */
- basic->check_byte_mask = sig_attrs->check_mask;
+ /* Wire domain */
+ switch (sig_attrs->wire.sig_type) {
+ case IB_SIG_TYPE_NONE:
+ break;
+ case IB_SIG_TYPE_T10_DIF:
if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval &&
- mem->sig.dif.type == wire->sig.dif.type) {
+ mem->sig_type == wire->sig_type) {
/* Same block structure */
- basic->bsf_size_sbs = 1 << 4;
+ basic->bsf_size_sbs |= 1 << 4;
if (mem->sig.dif.bg_type == wire->sig.dif.bg_type)
- basic->wire.copy_byte_mask |= 0xc0;
+ basic->wire.copy_byte_mask |= MLX5_CPY_GRD_MASK;
if (mem->sig.dif.app_tag == wire->sig.dif.app_tag)
- basic->wire.copy_byte_mask |= 0x30;
+ basic->wire.copy_byte_mask |= MLX5_CPY_APP_MASK;
if (mem->sig.dif.ref_tag == wire->sig.dif.ref_tag)
- basic->wire.copy_byte_mask |= 0x0f;
+ basic->wire.copy_byte_mask |= MLX5_CPY_REF_MASK;
} else
basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval);
- basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval);
- basic->raw_data_size = cpu_to_be32(data_size);
-
- ret = format_selector(sig_attrs, mem, &selector);
- if (ret)
- return -EINVAL;
- basic->m_bfs_psv = cpu_to_be32(selector << 24 |
- msig->psv_memory.psv_idx);
-
- ret = format_selector(sig_attrs, wire, &selector);
- if (ret)
- return -EINVAL;
- basic->w_bfs_psv = cpu_to_be32(selector << 24 |
- msig->psv_wire.psv_idx);
+ basic->w_bfs_psv = cpu_to_be32(msig->psv_wire.psv_idx);
+ mlx5_fill_inl_bsf(wire, &bsf->w_inl);
break;
-
default:
return -EINVAL;
}
@@ -2317,20 +2285,21 @@ static int set_psv_wr(struct ib_sig_domain *domain,
memset(psv_seg, 0, sizeof(*psv_seg));
psv_seg->psv_num = cpu_to_be32(psv_idx);
switch (domain->sig_type) {
+ case IB_SIG_TYPE_NONE:
+ break;
case IB_SIG_TYPE_T10_DIF:
psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 |
domain->sig.dif.app_tag);
psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag);
-
- *seg += sizeof(*psv_seg);
- *size += sizeof(*psv_seg) / 16;
break;
-
default:
pr_err("Bad signature type given.\n");
return 1;
}
+ *seg += sizeof(*psv_seg);
+ *size += sizeof(*psv_seg) / 16;
+
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.