From: Noa Osherovich <noaos@xxxxxxxxxxxx>
Enable the user to create a workqueue object with the scatter FCS
offload.
If this option is set, the FCS (Frame Check Sequence) field of an
incoming raw Ethernet packet will be scattered into host memory along
the packet payload as it appeared on the wire.
Signed-off-by: Noa Osherovich <noaos@xxxxxxxxxxxx>
Reviewed-by: Majd Dibbiny <majd@xxxxxxxxxxxx>
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
---
libibverbs/man/ibv_create_wq.3 | 3 ++-
libibverbs/verbs.h | 5 +++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/libibverbs/man/ibv_create_wq.3 b/libibverbs/man/ibv_create_wq.3
index 9a541fe..4a8b83c 100644
--- a/libibverbs/man/ibv_create_wq.3
+++ b/libibverbs/man/ibv_create_wq.3
@@ -40,7 +40,8 @@ uint32_t create_flags /* Creation flags for this WQ, use en
enum ibv_wq_flags {
.in +8
IBV_WQ_FLAGS_CVLAN_STRIPPING = 1 << 0, /* CVLAN field will be stripped from incoming packets */
-IBV_WQ_FLAGS_RESERVED = 1 << 1,
+IBV_WQ_FLAGS_SCATTER_FCS = 1 << 1, /* FCS field will be scattered to host memory */
+IBV_WQ_FLAGS_RESERVED = 1 << 2,
.in -8
};
.nf
diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
index 15e93b3..3f5e9fe 100644
--- a/libibverbs/verbs.h
+++ b/libibverbs/verbs.h
@@ -675,7 +675,8 @@ enum ibv_wq_init_attr_mask {
enum ibv_wq_flags {
IBV_WQ_FLAGS_CVLAN_STRIPPING = 1 << 0,
- IBV_WQ_FLAGS_RESERVED = 1 << 1,
+ IBV_WQ_FLAGS_SCATTER_FCS = 1 << 1,
+ IBV_WQ_FLAGS_RESERVED = 1 << 2,
};
struct ibv_wq_init_attr {
@@ -685,7 +686,7 @@ struct ibv_wq_init_attr {
uint32_t max_sge;
struct ibv_pd *pd;
struct ibv_cq *cq;
- uint32_t comp_mask;
+ uint32_t comp_mask; /* Use ibv_wq_init_attr_mask */
uint32_t create_flags; /* use ibv_wq_flags */
};
--
1.8.3.1
--
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