From: Noa Osherovich <noaos@xxxxxxxxxxxx>
When a WQ or a QP is created with cvlan stripping option, it is
stripped from the incoming packet and included in the work
completion.
Extend the poll_cq_ex mechanism with a function that reads the
stripped cvlan value from the work completion.
Signed-off-by: Noa Osherovich <noaos@xxxxxxxxxxxx>
Reviewed-by: Maor Gottlieb <maorg@xxxxxxxxxxxx>
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
---
libibverbs/verbs.h | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/libibverbs/verbs.h b/libibverbs/verbs.h
index c9084ea..15e93b3 100644
--- a/libibverbs/verbs.h
+++ b/libibverbs/verbs.h
@@ -435,6 +435,7 @@ enum ibv_create_cq_wc_flags {
IBV_WC_EX_WITH_SL = 1 << 5,
IBV_WC_EX_WITH_DLID_PATH_BITS = 1 << 6,
IBV_WC_EX_WITH_COMPLETION_TIMESTAMP = 1 << 7,
+ IBV_WC_EX_WITH_CVLAN = 1 << 8,
};
enum {
@@ -449,7 +450,8 @@ enum {
enum {
IBV_CREATE_CQ_SUP_WC_FLAGS = IBV_WC_STANDARD_FLAGS |
- IBV_WC_EX_WITH_COMPLETION_TIMESTAMP
+ IBV_WC_EX_WITH_COMPLETION_TIMESTAMP |
+ IBV_WC_EX_WITH_CVLAN
};
enum ibv_wc_flags {
@@ -1092,6 +1094,7 @@ struct ibv_cq_ex {
uint8_t (*read_sl)(struct ibv_cq_ex *current);
uint8_t (*read_dlid_path_bits)(struct ibv_cq_ex *current);
uint64_t (*read_completion_ts)(struct ibv_cq_ex *current);
+ uint16_t (*read_cvlan)(struct ibv_cq_ex *current);
};
static inline struct ibv_cq *ibv_cq_ex_to_cq(struct ibv_cq_ex *cq)
@@ -1170,6 +1173,11 @@ static inline uint64_t ibv_wc_read_completion_ts(struct ibv_cq_ex *cq)
return cq->read_completion_ts(cq);
}
+static inline uint16_t ibv_wc_read_cvlan(struct ibv_cq_ex *cq)
+{
+ return cq->read_cvlan(cq);
+}
+
static inline int ibv_post_wq_recv(struct ibv_wq *wq,
struct ibv_recv_wr *recv_wr,
struct ibv_recv_wr **bad_recv_wr)
--
1.8.3.1
--
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