diff options
author | Kalderon, Michal <Michal.Kalderon@cavium.com> | 2017-07-02 10:29:22 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2017-07-03 01:43:44 -0700 |
commit | 67b40dccc45ff5d488aad17114e80e00029fd854 (patch) | |
tree | 52dd683d42bca02ec954c436bbdfb73d4d3bb859 /drivers/net/ethernet/qlogic/qed/qed_iwarp.h | |
parent | c851a9dc4359c6b19722de568e9f543c1c23481c (diff) | |
download | op-kernel-dev-67b40dccc45ff5d488aad17114e80e00029fd854.zip op-kernel-dev-67b40dccc45ff5d488aad17114e80e00029fd854.tar.gz |
qed: Implement iWARP initialization, teardown and qp operations
This patch adds iWARP support for flows that have common code
between RoCE and iWARP, such as initialization, teardown and
qp setup verbs: create, destroy, modify, query.
It introduces the iWARP specific files qed_iwarp.[ch] and
iwarp_common.h
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_iwarp.h')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_iwarp.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.h b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h new file mode 100644 index 0000000..05e5e45 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.h @@ -0,0 +1,85 @@ +/* QLogic qed NIC Driver + * Copyright (c) 2015-2017 QLogic Corporation + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and /or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _QED_IWARP_H +#define _QED_IWARP_H + +enum qed_iwarp_qp_state { + QED_IWARP_QP_STATE_IDLE, + QED_IWARP_QP_STATE_RTS, + QED_IWARP_QP_STATE_TERMINATE, + QED_IWARP_QP_STATE_CLOSING, + QED_IWARP_QP_STATE_ERROR, +}; + +enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state); + +struct qed_iwarp_info { + spinlock_t iw_lock; /* for iwarp resources */ + spinlock_t qp_lock; /* for teardown races */ + u32 rcv_wnd_scale; + u16 max_mtu; + u8 mac_addr[ETH_ALEN]; + u8 crc_needed; + u8 tcp_flags; + u8 peer2peer; + enum mpa_negotiation_mode mpa_rev; + enum mpa_rtr_type rtr_type; +}; + +int qed_iwarp_alloc(struct qed_hwfn *p_hwfn); + +int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + struct qed_rdma_start_in_params *params); + +int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); + +void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn); + +void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn); + +void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); + +int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn, + struct qed_rdma_qp *qp, + struct qed_rdma_create_qp_out_params *out_params); + +int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp, + enum qed_iwarp_qp_state new_state, bool internal); + +int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp); + +int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp); + +void qed_iwarp_query_qp(struct qed_rdma_qp *qp, + struct qed_rdma_query_qp_out_params *out_params); + +#endif |