| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Michal Kalderon | 666 | 99.40% | 12 | 92.31% |
| Tomer Tayar | 4 | 0.60% | 1 | 7.69% |
| Total | 670 | 13 |
/* 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); #define QED_IWARP_PREALLOC_CNT (256) #define QED_IWARP_LL2_SYN_TX_SIZE (128) #define QED_IWARP_LL2_SYN_RX_SIZE (256) #define QED_IWARP_LL2_OOO_DEF_TX_SIZE (256) #define QED_IWARP_MAX_OOO (16) #define QED_IWARP_LL2_OOO_MAX_RX_SIZE (16384) #define QED_IWARP_HANDLE_INVAL (0xff) struct qed_iwarp_ll2_buff { struct qed_iwarp_ll2_buff *piggy_buf; void *data; dma_addr_t data_phys_addr; u32 buff_size; }; struct qed_iwarp_ll2_mpa_buf { struct list_head list_entry; struct qed_iwarp_ll2_buff *ll2_buf; struct unaligned_opaque_data data; u16 tcp_payload_len; u8 placement_offset; }; /* In some cases a fpdu will arrive with only one byte of the header, in this * case the fpdu_length will be partial (contain only higher byte and * incomplete bytes will contain the invalid value */ #define QED_IWARP_INVALID_INCOMPLETE_BYTES 0xffff struct qed_iwarp_fpdu { struct qed_iwarp_ll2_buff *mpa_buf; void *mpa_frag_virt; dma_addr_t mpa_frag; dma_addr_t pkt_hdr; u16 mpa_frag_len; u16 fpdu_length; u16 incomplete_bytes; u8 pkt_hdr_size; }; struct qed_iwarp_info { struct list_head listen_list; /* qed_iwarp_listener */ struct list_head ep_list; /* qed_iwarp_ep */ struct list_head ep_free_list; /* pre-allocated ep's */ struct list_head mpa_buf_list; /* list of mpa_bufs */ struct list_head mpa_buf_pending_list; spinlock_t iw_lock; /* for iwarp resources */ spinlock_t qp_lock; /* for teardown races */ u32 rcv_wnd_scale; u16 rcv_wnd_size; u16 max_mtu; u8 mac_addr[ETH_ALEN]; u8 crc_needed; u8 tcp_flags; u8 ll2_syn_handle; u8 ll2_ooo_handle; u8 ll2_mpa_handle; u8 peer2peer; enum mpa_negotiation_mode mpa_rev; enum mpa_rtr_type rtr_type; struct qed_iwarp_fpdu *partial_fpdus; struct qed_iwarp_ll2_mpa_buf *mpa_bufs; u8 *mpa_intermediate_buf; u16 max_num_partial_fpdus; }; enum qed_iwarp_ep_state { QED_IWARP_EP_INIT, QED_IWARP_EP_MPA_REQ_RCVD, QED_IWARP_EP_MPA_OFFLOADED, QED_IWARP_EP_ESTABLISHED, QED_IWARP_EP_CLOSED }; union async_output { struct iwarp_eqe_data_mpa_async_completion mpa_response; struct iwarp_eqe_data_tcp_async_completion mpa_request; }; #define QED_MAX_PRIV_DATA_LEN (512) struct qed_iwarp_ep_memory { u8 in_pdata[QED_MAX_PRIV_DATA_LEN]; u8 out_pdata[QED_MAX_PRIV_DATA_LEN]; union async_output async_output; }; /* Endpoint structure represents a TCP connection. This connection can be * associated with a QP or not (in which case QP==NULL) */ struct qed_iwarp_ep { struct list_head list_entry; struct qed_rdma_qp *qp; struct qed_iwarp_ep_memory *ep_buffer_virt; dma_addr_t ep_buffer_phys; enum qed_iwarp_ep_state state; int sig; struct qed_iwarp_cm_info cm_info; enum tcp_connect_mode connect_mode; enum mpa_rtr_type rtr_type; enum mpa_negotiation_mode mpa_rev; u32 tcp_cid; u32 cid; u16 mss; u8 remote_mac_addr[6]; u8 local_mac_addr[6]; bool mpa_reply_processed; /* For Passive side - syn packet related data */ u16 syn_ip_payload_length; struct qed_iwarp_ll2_buff *syn; dma_addr_t syn_phy_addr; /* The event_cb function is called for asynchrounous events associated * with the ep. It is initialized at different entry points depending * on whether the ep is the tcp connection active side or passive side * The cb_context is passed to the event_cb function. */ iwarp_event_handler event_cb; void *cb_context; }; struct qed_iwarp_listener { struct list_head list_entry; /* The event_cb function is called for connection requests. * The cb_context is passed to the event_cb function. */ iwarp_event_handler event_cb; void *cb_context; u32 max_backlog; u32 ip_addr[4]; u16 port; u16 vlan; u8 ip_version; }; 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); void qed_iwarp_init_fw_ramrod(struct qed_hwfn *p_hwfn, struct iwarp_init_func_ramrod_data *p_ramrod); 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); int qed_iwarp_connect(void *rdma_cxt, struct qed_iwarp_connect_in *iparams, struct qed_iwarp_connect_out *oparams); int qed_iwarp_create_listen(void *rdma_cxt, struct qed_iwarp_listen_in *iparams, struct qed_iwarp_listen_out *oparams); int qed_iwarp_accept(void *rdma_cxt, struct qed_iwarp_accept_in *iparams); int qed_iwarp_reject(void *rdma_cxt, struct qed_iwarp_reject_in *iparams); int qed_iwarp_destroy_listen(void *rdma_cxt, void *handle); int qed_iwarp_send_rtr(void *rdma_cxt, struct qed_iwarp_send_rtr_in *iparams); #endif
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