summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/mthca
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/mthca')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_av.c64
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mad.c6
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c84
3 files changed, 85 insertions, 69 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_av.c b/drivers/infiniband/hw/mthca/mthca_av.c
index 0c95668fe7ad..d315f526fc48 100644
--- a/drivers/infiniband/hw/mthca/mthca_av.c
+++ b/drivers/infiniband/hw/mthca/mthca_av.c
@@ -196,21 +196,26 @@ on_hca_fail:
ah->key = pd->ntmr.ibmr.lkey;
- av->port_pd = cpu_to_be32(pd->pd_num | (ah_attr->port_num << 24));
- av->g_slid = ah_attr->src_path_bits;
- av->dlid = cpu_to_be16(ah_attr->dlid);
+ av->port_pd = cpu_to_be32(pd->pd_num |
+ (rdma_ah_get_port_num(ah_attr) << 24));
+ av->g_slid = rdma_ah_get_path_bits(ah_attr);
+ av->dlid = cpu_to_be16(rdma_ah_get_dlid(ah_attr));
av->msg_sr = (3 << 4) | /* 2K message */
- mthca_get_rate(dev, ah_attr->static_rate, ah_attr->port_num);
- av->sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28);
- if (ah_attr->ah_flags & IB_AH_GRH) {
+ mthca_get_rate(dev, rdma_ah_get_static_rate(ah_attr),
+ rdma_ah_get_port_num(ah_attr));
+ av->sl_tclass_flowlabel = cpu_to_be32(rdma_ah_get_sl(ah_attr) << 28);
+ if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) {
+ const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
+
av->g_slid |= 0x80;
- av->gid_index = (ah_attr->port_num - 1) * dev->limits.gid_table_len +
- ah_attr->grh.sgid_index;
- av->hop_limit = ah_attr->grh.hop_limit;
+ av->gid_index = (rdma_ah_get_port_num(ah_attr) - 1) *
+ dev->limits.gid_table_len +
+ grh->sgid_index;
+ av->hop_limit = grh->hop_limit;
av->sl_tclass_flowlabel |=
- cpu_to_be32((ah_attr->grh.traffic_class << 20) |
- ah_attr->grh.flow_label);
- memcpy(av->dgid, ah_attr->grh.dgid.raw, 16);
+ cpu_to_be32((grh->traffic_class << 20) |
+ grh->flow_label);
+ memcpy(av->dgid, grh->dgid.raw, 16);
} else {
/* Arbel workaround -- low byte of GID must be 2 */
av->dgid[3] = cpu_to_be32(2);
@@ -291,29 +296,30 @@ int mthca_ah_query(struct ib_ah *ibah, struct rdma_ah_attr *attr)
{
struct mthca_ah *ah = to_mah(ibah);
struct mthca_dev *dev = to_mdev(ibah->device);
+ u8 port_num = be32_to_cpu(ah->av->port_pd) >> 24;
/* Only implement for MAD and memfree ah for now. */
if (ah->type == MTHCA_AH_ON_HCA)
return -ENOSYS;
memset(attr, 0, sizeof *attr);
- attr->dlid = be16_to_cpu(ah->av->dlid);
- attr->sl = be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28;
- attr->port_num = be32_to_cpu(ah->av->port_pd) >> 24;
- attr->static_rate = mthca_rate_to_ib(dev, ah->av->msg_sr & 0x7,
- attr->port_num);
- attr->src_path_bits = ah->av->g_slid & 0x7F;
- attr->ah_flags = mthca_ah_grh_present(ah) ? IB_AH_GRH : 0;
-
- if (attr->ah_flags) {
- attr->grh.traffic_class =
- be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 20;
- attr->grh.flow_label =
- be32_to_cpu(ah->av->sl_tclass_flowlabel) & 0xfffff;
- attr->grh.hop_limit = ah->av->hop_limit;
- attr->grh.sgid_index = ah->av->gid_index &
- (dev->limits.gid_table_len - 1);
- memcpy(attr->grh.dgid.raw, ah->av->dgid, 16);
+ rdma_ah_set_dlid(attr, be16_to_cpu(ah->av->dlid));
+ rdma_ah_set_sl(attr, be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28);
+ rdma_ah_set_port_num(attr, port_num);
+ rdma_ah_set_static_rate(attr,
+ mthca_rate_to_ib(dev, ah->av->msg_sr & 0x7,
+ port_num));
+ rdma_ah_set_path_bits(attr, ah->av->g_slid & 0x7F);
+ if (mthca_ah_grh_present(ah)) {
+ u32 tc_fl = be32_to_cpu(ah->av->sl_tclass_flowlabel);
+
+ rdma_ah_set_grh(attr, NULL,
+ tc_fl & 0xfffff,
+ ah->av->gid_index &
+ (dev->limits.gid_table_len - 1),
+ ah->av->hop_limit,
+ (tc_fl >> 20) & 0xff);
+ rdma_ah_set_dgid_raw(attr, ah->av->dgid);
}
return 0;
diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index 6f2e448b49a5..45fe1502499b 100644
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -82,9 +82,9 @@ static void update_sm_ah(struct mthca_dev *dev,
return;
memset(&ah_attr, 0, sizeof ah_attr);
- ah_attr.dlid = lid;
- ah_attr.sl = sl;
- ah_attr.port_num = port_num;
+ rdma_ah_set_dlid(&ah_attr, lid);
+ rdma_ah_set_sl(&ah_attr, sl);
+ rdma_ah_set_port_num(&ah_attr, port_num);
new_ah = rdma_create_ah(dev->send_agent[port_num - 1][0]->qp->pd,
&ah_attr);
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index baf65fe5286e..6ef9b6ac8904 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -394,31 +394,34 @@ static int to_ib_qp_access_flags(int mthca_flags)
}
static void to_rdma_ah_attr(struct mthca_dev *dev,
- struct rdma_ah_attr *ib_ah_attr,
+ struct rdma_ah_attr *ah_attr,
struct mthca_qp_path *path)
{
- memset(ib_ah_attr, 0, sizeof *ib_ah_attr);
- ib_ah_attr->port_num = (be32_to_cpu(path->port_pkey) >> 24) & 0x3;
+ u8 port_num = (be32_to_cpu(path->port_pkey) >> 24) & 0x3;
- if (ib_ah_attr->port_num == 0 || ib_ah_attr->port_num > dev->limits.num_ports)
- return;
+ memset(ah_attr, 0, sizeof(*ah_attr));
- ib_ah_attr->dlid = be16_to_cpu(path->rlid);
- ib_ah_attr->sl = be32_to_cpu(path->sl_tclass_flowlabel) >> 28;
- ib_ah_attr->src_path_bits = path->g_mylmc & 0x7f;
- ib_ah_attr->static_rate = mthca_rate_to_ib(dev,
- path->static_rate & 0xf,
- ib_ah_attr->port_num);
- ib_ah_attr->ah_flags = (path->g_mylmc & (1 << 7)) ? IB_AH_GRH : 0;
- if (ib_ah_attr->ah_flags) {
- ib_ah_attr->grh.sgid_index = path->mgid_index & (dev->limits.gid_table_len - 1);
- ib_ah_attr->grh.hop_limit = path->hop_limit;
- ib_ah_attr->grh.traffic_class =
- (be32_to_cpu(path->sl_tclass_flowlabel) >> 20) & 0xff;
- ib_ah_attr->grh.flow_label =
- be32_to_cpu(path->sl_tclass_flowlabel) & 0xfffff;
- memcpy(ib_ah_attr->grh.dgid.raw,
- path->rgid, sizeof ib_ah_attr->grh.dgid.raw);
+ if (port_num == 0 || port_num > dev->limits.num_ports)
+ return;
+ rdma_ah_set_port_num(ah_attr, port_num);
+
+ rdma_ah_set_dlid(ah_attr, be16_to_cpu(path->rlid));
+ rdma_ah_set_sl(ah_attr, be32_to_cpu(path->sl_tclass_flowlabel) >> 28);
+ rdma_ah_set_path_bits(ah_attr, path->g_mylmc & 0x7f);
+ rdma_ah_set_static_rate(ah_attr,
+ mthca_rate_to_ib(dev,
+ path->static_rate & 0xf,
+ port_num));
+ if (path->g_mylmc & (1 << 7)) {
+ u32 tc_fl = be32_to_cpu(path->sl_tclass_flowlabel);
+
+ rdma_ah_set_grh(ah_attr, NULL,
+ tc_fl & 0xfffff,
+ path->mgid_index &
+ (dev->limits.gid_table_len - 1),
+ path->hop_limit,
+ (tc_fl >> 20) & 0xff);
+ rdma_ah_set_dgid_raw(ah_attr, path->rgid);
}
}
@@ -473,7 +476,8 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
to_rdma_ah_attr(dev, &qp_attr->alt_ah_attr, &context->alt_path);
qp_attr->alt_pkey_index =
be32_to_cpu(context->alt_path.port_pkey) & 0x7f;
- qp_attr->alt_port_num = qp_attr->alt_ah_attr.port_num;
+ qp_attr->alt_port_num =
+ rdma_ah_get_port_num(&qp_attr->alt_ah_attr);
}
qp_attr->pkey_index = be32_to_cpu(context->pri_path.port_pkey) & 0x7f;
@@ -516,27 +520,33 @@ out:
static int mthca_path_set(struct mthca_dev *dev, const struct rdma_ah_attr *ah,
struct mthca_qp_path *path, u8 port)
{
- path->g_mylmc = ah->src_path_bits & 0x7f;
- path->rlid = cpu_to_be16(ah->dlid);
- path->static_rate = mthca_get_rate(dev, ah->static_rate, port);
+ path->g_mylmc = rdma_ah_get_path_bits(ah) & 0x7f;
+ path->rlid = cpu_to_be16(rdma_ah_get_dlid(ah));
+ path->static_rate = mthca_get_rate(dev, rdma_ah_get_static_rate(ah),
+ port);
+
+ if (rdma_ah_get_ah_flags(ah) & IB_AH_GRH) {
+ const struct ib_global_route *grh = rdma_ah_read_grh(ah);
- if (ah->ah_flags & IB_AH_GRH) {
- if (ah->grh.sgid_index >= dev->limits.gid_table_len) {
+ if (grh->sgid_index >= dev->limits.gid_table_len) {
mthca_dbg(dev, "sgid_index (%u) too large. max is %d\n",
- ah->grh.sgid_index, dev->limits.gid_table_len-1);
+ grh->sgid_index,
+ dev->limits.gid_table_len - 1);
return -1;
}
path->g_mylmc |= 1 << 7;
- path->mgid_index = ah->grh.sgid_index;
- path->hop_limit = ah->grh.hop_limit;
+ path->mgid_index = grh->sgid_index;
+ path->hop_limit = grh->hop_limit;
path->sl_tclass_flowlabel =
- cpu_to_be32((ah->sl << 28) |
- (ah->grh.traffic_class << 20) |
- (ah->grh.flow_label));
- memcpy(path->rgid, ah->grh.dgid.raw, 16);
- } else
- path->sl_tclass_flowlabel = cpu_to_be32(ah->sl << 28);
+ cpu_to_be32((rdma_ah_get_sl(ah) << 28) |
+ (grh->traffic_class << 20) |
+ (grh->flow_label));
+ memcpy(path->rgid, grh->dgid.raw, 16);
+ } else {
+ path->sl_tclass_flowlabel = cpu_to_be32(rdma_ah_get_sl(ah) <<
+ 28);
+ }
return 0;
}
@@ -681,7 +691,7 @@ static int __mthca_modify_qp(struct ib_qp *ibqp,
}
if (mthca_path_set(dev, &attr->alt_ah_attr, &qp_context->alt_path,
- attr->alt_ah_attr.port_num))
+ rdma_ah_get_port_num(&attr->alt_ah_attr)))
goto out_mailbox;
qp_context->alt_path.port_pkey |= cpu_to_be32(attr->alt_pkey_index |
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-12 17:52:35 +0300