From: Noa Osherovich <noaos@xxxxxxxxxxxx>
Update QP and WQ creation flags to allow setting the PCI write end
padding capability during QP/WQ creation.
Man pages were updated accordingly.
Signed-off-by: Noa Osherovich <noaos@xxxxxxxxxxxx>
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
---
libibverbs/cmd.c | 3 ++-
libibverbs/man/ibv_create_qp_ex.3 | 1 +
libibverbs/man/ibv_create_wq.3 | 3 ++-
libibverbs/verbs.h | 4 +++-
4 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/libibverbs/cmd.c b/libibverbs/cmd.c
index eb5f263..62fcd0e 100644
--- a/libibverbs/cmd.c
+++ b/libibverbs/cmd.c
@@ -966,7 +966,8 @@ enum {
CREATE_QP_EX2_SUP_CREATE_FLAGS = IBV_QP_CREATE_BLOCK_SELF_MCAST_LB |
IBV_QP_CREATE_SCATTER_FCS |
IBV_QP_CREATE_CVLAN_STRIPPING |
- IBV_QP_CREATE_SOURCE_QPN,
+ IBV_QP_CREATE_SOURCE_QPN |
+ IBV_QP_CREATE_PCI_WRITE_END_PADDING,
};
int ibv_cmd_create_qp_ex2(struct ibv_context *context,
diff --git a/libibverbs/man/ibv_create_qp_ex.3 b/libibverbs/man/ibv_create_qp_ex.3
index fac0e03..865b5fe 100644
--- a/libibverbs/man/ibv_create_qp_ex.3
+++ b/libibverbs/man/ibv_create_qp_ex.3
@@ -59,6 +59,7 @@ IBV_QP_CREATE_BLOCK_SELF_MCAST_LB = 1 << 1, /* Prevent self multicast loop
IBV_QP_CREATE_SCATTER_FCS = 1 << 8, /* FCS field will be scattered to host memory */
IBV_QP_CREATE_CVLAN_STRIPPING = 1 << 9, /* CVLAN field will be stripped from incoming packets */
IBV_QP_CREATE_SOURCE_QPN = 1 << 10, /* The created QP will use the source_qpn as its wire QP number */
+IBV_QP_CREATE_PCI_WRITE_END_PADDING = 1 << 11, /* Incoming packets will be padded to cacheline size */
.in -8
};
.nf
diff --git a/libibverbs/man/ibv_create_wq.3 b/libibverbs/man/ibv_create_wq.3
index a540130..10fe965 100644
--- a/libibverbs/man/ibv_create_wq.3
+++ b/libibverbs/man/ibv_create_wq.3
@@ -42,7 +42,8 @@ enum ibv_wq_flags {
IBV_WQ_FLAGS_CVLAN_STRIPPING = 1 << 0, /* CVLAN field will be stripped from incoming packets */
IBV_WQ_FLAGS_SCATTER_FCS = 1 << 1, /* FCS field will be scattered to host memory */
IBV_WQ_FLAGS_DELAY_DROP = 1 << 2, /* Packets won't be dropped immediately if no receive WQEs */
-IBV_WQ_FLAGS_RESERVED = 1 << 3,
+IBV_WQ_FLAGS_PCI_WRITE_END_PADDING = 1 << 3, /* Incoming packets will be padded to cacheline size */
+IBV_WQ_FLAGS_RESERVED = 1 << 4,
.in -8
};
.nf
diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
index 025e321..b39dc30 100644
--- a/libibverbs/verbs.h
+++ b/libibverbs/verbs.h
@@ -739,7 +739,8 @@ enum ibv_wq_flags {
IBV_WQ_FLAGS_CVLAN_STRIPPING = 1 << 0,
IBV_WQ_FLAGS_SCATTER_FCS = 1 << 1,
IBV_WQ_FLAGS_DELAY_DROP = 1 << 2,
- IBV_WQ_FLAGS_RESERVED = 1 << 3,
+ IBV_WQ_FLAGS_PCI_WRITE_END_PADDING = 1 << 3,
+ IBV_WQ_FLAGS_RESERVED = 1 << 4,
};
struct ibv_wq_init_attr {
@@ -848,6 +849,7 @@ enum ibv_qp_create_flags {
IBV_QP_CREATE_SCATTER_FCS = 1 << 8,
IBV_QP_CREATE_CVLAN_STRIPPING = 1 << 9,
IBV_QP_CREATE_SOURCE_QPN = 1 << 10,
+ IBV_QP_CREATE_PCI_WRITE_END_PADDING = 1 << 11,
};
struct ibv_rx_hash_conf {
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
