qedr_roce_cm.h 2.4 KB

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  1. /* QLogic qedr NIC Driver
  2. * Copyright (c) 2015-2016 QLogic Corporation
  3. *
  4. * This software is available to you under a choice of one of two
  5. * licenses. You may choose to be licensed under the terms of the GNU
  6. * General Public License (GPL) Version 2, available from the file
  7. * COPYING in the main directory of this source tree, or the
  8. * OpenIB.org BSD license below:
  9. *
  10. * Redistribution and use in source and binary forms, with or
  11. * without modification, are permitted provided that the following
  12. * conditions are met:
  13. *
  14. * - Redistributions of source code must retain the above
  15. * copyright notice, this list of conditions and the following
  16. * disclaimer.
  17. *
  18. * - Redistributions in binary form must reproduce the above
  19. * copyright notice, this list of conditions and the following
  20. * disclaimer in the documentation and /or other materials
  21. * provided with the distribution.
  22. *
  23. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30. * SOFTWARE.
  31. */
  32. #ifndef LINUX_QEDR_CM_H_
  33. #define LINUX_QEDR_CM_H_
  34. #define QEDR_GSI_MAX_RECV_WR (4096)
  35. #define QEDR_GSI_MAX_SEND_WR (4096)
  36. #define QEDR_GSI_MAX_RECV_SGE (1) /* LL2 FW limitation */
  37. #define QEDR_ROCE_V2_UDP_SPORT (0000)
  38. static inline u32 qedr_get_ipv4_from_gid(const u8 *gid)
  39. {
  40. return *(u32 *)(void *)&gid[12];
  41. }
  42. /* RDMA CM */
  43. int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
  44. int qedr_gsi_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
  45. const struct ib_recv_wr **bad_wr);
  46. int qedr_gsi_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
  47. const struct ib_send_wr **bad_wr);
  48. struct ib_qp *qedr_create_gsi_qp(struct qedr_dev *dev,
  49. struct ib_qp_init_attr *attrs,
  50. struct qedr_qp *qp);
  51. void qedr_store_gsi_qp_cq(struct qedr_dev *dev,
  52. struct qedr_qp *qp, struct ib_qp_init_attr *attrs);
  53. int qedr_destroy_gsi_qp(struct qedr_dev *dev);
  54. void qedr_inc_sw_gsi_cons(struct qedr_qp_hwq_info *info);
  55. #endif