diff options
author | Ram Amrani <Ram.Amrani@cavium.com> | 2016-10-10 13:15:38 +0300 |
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committer | Doug Ledford <dledford@redhat.com> | 2016-10-14 15:00:10 -0400 |
commit | 048867793046e6bd665869816f4702fc49cc9a18 (patch) | |
tree | b2f77791a0ed8134e2fb47d1422ac582115bd307 /drivers/infiniband/hw/qedr/qedr_cm.h | |
parent | qedr: Add LL2 RoCE interface (diff) | |
download | wireguard-linux-048867793046e6bd665869816f4702fc49cc9a18.tar.xz wireguard-linux-048867793046e6bd665869816f4702fc49cc9a18.zip |
qedr: Add GSI support
Add support for GSI over light L2.
Signed-off-by: Rajesh Borundia <rajesh.borundia@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/qedr/qedr_cm.h')
-rw-r--r-- | drivers/infiniband/hw/qedr/qedr_cm.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qedr/qedr_cm.h b/drivers/infiniband/hw/qedr/qedr_cm.h index b8a8b76d77b8..9ba6e15cd93f 100644 --- a/drivers/infiniband/hw/qedr/qedr_cm.h +++ b/drivers/infiniband/hw/qedr/qedr_cm.h @@ -32,9 +32,30 @@ #ifndef LINUX_QEDR_CM_H_ #define LINUX_QEDR_CM_H_ +#define QEDR_GSI_MAX_RECV_WR (4096) +#define QEDR_GSI_MAX_SEND_WR (4096) + +#define QEDR_GSI_MAX_RECV_SGE (1) /* LL2 FW limitation */ + +#define ETH_P_ROCE (0x8915) +#define QEDR_ROCE_V2_UDP_SPORT (0000) + static inline u32 qedr_get_ipv4_from_gid(u8 *gid) { return *(u32 *)(void *)&gid[12]; } +/* RDMA CM */ +int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); +int qedr_gsi_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, + struct ib_recv_wr **bad_wr); +int qedr_gsi_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, + struct ib_send_wr **bad_wr); +struct ib_qp *qedr_create_gsi_qp(struct qedr_dev *dev, + struct ib_qp_init_attr *attrs, + struct qedr_qp *qp); +void qedr_store_gsi_qp_cq(struct qedr_dev *dev, + struct qedr_qp *qp, struct ib_qp_init_attr *attrs); +int qedr_destroy_gsi_qp(struct qedr_dev *dev); +void qedr_inc_sw_gsi_cons(struct qedr_qp_hwq_info *info); #endif |