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qed: Add support for changing iSCSI mac
Enhance API between qedi and qed, allowing qedi to inform device's firmware when the iSCSI mac is to be changed. Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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3 changed files with 74 additions and 0 deletions
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@ -488,6 +488,54 @@ static int qed_sp_iscsi_conn_update(struct qed_hwfn *p_hwfn,
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return qed_spq_post(p_hwfn, p_ent, NULL);
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}
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static int
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qed_sp_iscsi_mac_update(struct qed_hwfn *p_hwfn,
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struct qed_iscsi_conn *p_conn,
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enum spq_mode comp_mode,
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struct qed_spq_comp_cb *p_comp_addr)
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{
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struct iscsi_spe_conn_mac_update *p_ramrod = NULL;
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struct qed_spq_entry *p_ent = NULL;
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struct qed_sp_init_data init_data;
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int rc = -EINVAL;
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u8 ucval;
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/* Get SPQ entry */
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memset(&init_data, 0, sizeof(init_data));
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init_data.cid = p_conn->icid;
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init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
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init_data.comp_mode = comp_mode;
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init_data.p_comp_data = p_comp_addr;
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rc = qed_sp_init_request(p_hwfn, &p_ent,
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ISCSI_RAMROD_CMD_ID_MAC_UPDATE,
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PROTOCOLID_ISCSI, &init_data);
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if (rc)
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return rc;
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p_ramrod = &p_ent->ramrod.iscsi_conn_mac_update;
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p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_MAC_UPDATE;
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SET_FIELD(p_ramrod->hdr.flags,
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ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code);
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p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id);
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p_ramrod->fw_cid = cpu_to_le32(p_conn->icid);
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ucval = p_conn->remote_mac[1];
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((u8 *)(&p_ramrod->remote_mac_addr_hi))[0] = ucval;
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ucval = p_conn->remote_mac[0];
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((u8 *)(&p_ramrod->remote_mac_addr_hi))[1] = ucval;
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ucval = p_conn->remote_mac[3];
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((u8 *)(&p_ramrod->remote_mac_addr_mid))[0] = ucval;
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ucval = p_conn->remote_mac[2];
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((u8 *)(&p_ramrod->remote_mac_addr_mid))[1] = ucval;
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ucval = p_conn->remote_mac[5];
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((u8 *)(&p_ramrod->remote_mac_addr_lo))[0] = ucval;
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ucval = p_conn->remote_mac[4];
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((u8 *)(&p_ramrod->remote_mac_addr_lo))[1] = ucval;
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return qed_spq_post(p_hwfn, p_ent, NULL);
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}
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static int qed_sp_iscsi_conn_terminate(struct qed_hwfn *p_hwfn,
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struct qed_iscsi_conn *p_conn,
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enum spq_mode comp_mode,
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@ -1324,6 +1372,23 @@ static int qed_iscsi_stats(struct qed_dev *cdev, struct qed_iscsi_stats *stats)
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return qed_iscsi_get_stats(QED_LEADING_HWFN(cdev), stats);
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}
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static int qed_iscsi_change_mac(struct qed_dev *cdev,
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u32 handle, const u8 *mac)
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{
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struct qed_hash_iscsi_con *hash_con;
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hash_con = qed_iscsi_get_hash(cdev, handle);
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if (!hash_con) {
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DP_NOTICE(cdev, "Failed to find connection for handle %d\n",
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handle);
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return -EINVAL;
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}
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return qed_sp_iscsi_mac_update(QED_LEADING_HWFN(cdev),
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hash_con->con,
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QED_SPQ_MODE_EBLOCK, NULL);
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}
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void qed_get_protocol_stats_iscsi(struct qed_dev *cdev,
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struct qed_mcp_iscsi_stats *stats)
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{
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@ -1358,6 +1423,7 @@ static const struct qed_iscsi_ops qed_iscsi_ops_pass = {
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.destroy_conn = &qed_iscsi_destroy_conn,
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.clear_sq = &qed_iscsi_clear_conn_sq,
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.get_stats = &qed_iscsi_stats,
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.change_mac = &qed_iscsi_change_mac,
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};
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const struct qed_iscsi_ops *qed_get_iscsi_ops(void)
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@ -120,6 +120,7 @@ union ramrod_data {
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struct iscsi_spe_func_dstry iscsi_destroy;
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struct iscsi_spe_conn_offload iscsi_conn_offload;
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struct iscsi_conn_update_ramrod_params iscsi_conn_update;
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struct iscsi_spe_conn_mac_update iscsi_conn_mac_update;
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struct iscsi_spe_conn_termination iscsi_conn_terminate;
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struct vf_start_ramrod_data vf_start;
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@ -210,6 +210,11 @@ struct qed_iscsi_cb_ops {
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* @param stats - pointer to struck that would be filled
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* we stats
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* @return 0 on success, error otherwise.
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* @change_mac Change MAC of interface
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* @param cdev
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* @param handle - the connection handle.
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* @param mac - new MAC to configure.
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* @return 0 on success, otherwise error value.
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*/
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struct qed_iscsi_ops {
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const struct qed_common_ops *common;
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@ -248,6 +253,8 @@ struct qed_iscsi_ops {
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int (*get_stats)(struct qed_dev *cdev,
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struct qed_iscsi_stats *stats);
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int (*change_mac)(struct qed_dev *cdev, u32 handle, const u8 *mac);
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};
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const struct qed_iscsi_ops *qed_get_iscsi_ops(void);
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