[PATCH 26/30] IB/mlx4: Translate cache gid index to real index
From: Moni Shoua mo...@mellanox.com
When QP is modified with path the given sgid_index is not necessarily
the index that HW knows. This is due to optimizations that can save
place in the HW table. Therefore, translation is required.
Signed-off-by: Moni Shoua mo...@mellanox.com
Signed-off-by: Somnath Kotur somnath.ko...@emulex.com
---
drivers/infiniband/hw/mlx4/qp.c | 10 +++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 9731c07..b06e9fc 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1256,14 +1256,18 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev,
const struct ib_ah_attr *ah,
path-static_rate = 0;
if (ah-ah_flags IB_AH_GRH) {
- if (ah-grh.sgid_index = dev-dev-caps.gid_table_len[port]) {
+ int real_sgid_index = mlx4_ib_gid_index_to_real_index(dev,
+ port,
+
ah-grh.sgid_index);
+
+ if (real_sgid_index = dev-dev-caps.gid_table_len[port]) {
pr_err(sgid_index (%u) too large. max is %d\n,
- ah-grh.sgid_index,
dev-dev-caps.gid_table_len[port] - 1);
+ real_sgid_index,
dev-dev-caps.gid_table_len[port] - 1);
return -1;
}
path-grh_mylmc |= 1 7;
- path-mgid_index = ah-grh.sgid_index;
+ path-mgid_index = real_sgid_index;
path-hop_limit = ah-grh.hop_limit;
path-tclass_flowlabel =
cpu_to_be32((ah-grh.traffic_class 20) |
--
1.7.1
--
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[PATCH 26/30] IB/mlx4: Translate cache gid index to real index
From: Moni Shoua mo...@mellanox.com
When QP is modified with path the given sgid_index is not necessarily
the index that HW knows. This is due to optimizations that can save
place in the HW table. Therefore, translation is required.
Signed-off-by: Moni Shoua mo...@mellanox.com
Signed-off-by: Somnath Kotur somnath.ko...@emulex.com
---
drivers/infiniband/hw/mlx4/qp.c | 10 +++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 9731c07..b06e9fc 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1256,14 +1256,18 @@ static int _mlx4_set_path(struct mlx4_ib_dev *dev,
const struct ib_ah_attr *ah,
path-static_rate = 0;
if (ah-ah_flags IB_AH_GRH) {
- if (ah-grh.sgid_index = dev-dev-caps.gid_table_len[port]) {
+ int real_sgid_index = mlx4_ib_gid_index_to_real_index(dev,
+ port,
+
ah-grh.sgid_index);
+
+ if (real_sgid_index = dev-dev-caps.gid_table_len[port]) {
pr_err(sgid_index (%u) too large. max is %d\n,
- ah-grh.sgid_index,
dev-dev-caps.gid_table_len[port] - 1);
+ real_sgid_index,
dev-dev-caps.gid_table_len[port] - 1);
return -1;
}
path-grh_mylmc |= 1 7;
- path-mgid_index = ah-grh.sgid_index;
+ path-mgid_index = real_sgid_index;
path-hop_limit = ah-grh.hop_limit;
path-tclass_flowlabel =
cpu_to_be32((ah-grh.traffic_class 20) |
--
1.7.1
--
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