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65a91a6cdb
This patch adds the ability to add and remove listeners and identify whether the SYN packet received is intended for iWARP or not. If a listener is not found the SYN packet is posted back to the chip. 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>
120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/* QLogic qed NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and /or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _QED_IWARP_H
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#define _QED_IWARP_H
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enum qed_iwarp_qp_state {
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QED_IWARP_QP_STATE_IDLE,
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QED_IWARP_QP_STATE_RTS,
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QED_IWARP_QP_STATE_TERMINATE,
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QED_IWARP_QP_STATE_CLOSING,
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QED_IWARP_QP_STATE_ERROR,
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};
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enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state);
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#define QED_IWARP_LL2_SYN_TX_SIZE (128)
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#define QED_IWARP_LL2_SYN_RX_SIZE (256)
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#define QED_IWARP_MAX_SYN_PKT_SIZE (128)
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#define QED_IWARP_HANDLE_INVAL (0xff)
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struct qed_iwarp_ll2_buff {
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void *data;
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dma_addr_t data_phys_addr;
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u32 buff_size;
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};
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struct qed_iwarp_info {
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struct list_head listen_list; /* qed_iwarp_listener */
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spinlock_t iw_lock; /* for iwarp resources */
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spinlock_t qp_lock; /* for teardown races */
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u32 rcv_wnd_scale;
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u16 max_mtu;
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u8 mac_addr[ETH_ALEN];
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u8 crc_needed;
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u8 tcp_flags;
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u8 ll2_syn_handle;
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u8 peer2peer;
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enum mpa_negotiation_mode mpa_rev;
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enum mpa_rtr_type rtr_type;
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};
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struct qed_iwarp_listener {
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struct list_head list_entry;
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/* The event_cb function is called for connection requests.
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* The cb_context is passed to the event_cb function.
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*/
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iwarp_event_handler event_cb;
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void *cb_context;
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u32 max_backlog;
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u32 ip_addr[4];
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u16 port;
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u16 vlan;
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u8 ip_version;
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};
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int qed_iwarp_alloc(struct qed_hwfn *p_hwfn);
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int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
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struct qed_rdma_start_in_params *params);
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int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
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void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn);
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void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn);
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void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
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int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn,
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struct qed_rdma_qp *qp,
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struct qed_rdma_create_qp_out_params *out_params);
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int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp,
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enum qed_iwarp_qp_state new_state, bool internal);
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int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
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int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
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void qed_iwarp_query_qp(struct qed_rdma_qp *qp,
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struct qed_rdma_query_qp_out_params *out_params);
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int
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qed_iwarp_create_listen(void *rdma_cxt,
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struct qed_iwarp_listen_in *iparams,
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struct qed_iwarp_listen_out *oparams);
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int qed_iwarp_destroy_listen(void *rdma_cxt, void *handle);
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#endif
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