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- /*
- * QLogic qlcnic NIC Driver
- * Copyright (c) 2009-2013 QLogic Corporation
- *
- * See LICENSE.qlcnic for copyright and licensing details.
- */
- #include <linux/types.h>
- #include "qlcnic.h"
- #define QLC_DCB_NUM_PARAM 3
- #define QLC_DCB_LOCAL_IDX 0
- #define QLC_DCB_OPER_IDX 1
- #define QLC_DCB_PEER_IDX 2
- #define QLC_DCB_GET_MAP(V) (1 << V)
- #define QLC_DCB_FW_VER 0x2
- #define QLC_DCB_MAX_TC 0x8
- #define QLC_DCB_MAX_APP 0x8
- #define QLC_DCB_MAX_PRIO QLC_DCB_MAX_TC
- #define QLC_DCB_MAX_PG QLC_DCB_MAX_TC
- #define QLC_DCB_TSA_SUPPORT(V) (V & 0x1)
- #define QLC_DCB_ETS_SUPPORT(V) ((V >> 1) & 0x1)
- #define QLC_DCB_VERSION_SUPPORT(V) ((V >> 2) & 0xf)
- #define QLC_DCB_MAX_NUM_TC(V) ((V >> 20) & 0xf)
- #define QLC_DCB_MAX_NUM_ETS_TC(V) ((V >> 24) & 0xf)
- #define QLC_DCB_MAX_NUM_PFC_TC(V) ((V >> 28) & 0xf)
- #define QLC_DCB_GET_TC_PRIO(X, P) ((X >> (P * 3)) & 0x7)
- #define QLC_DCB_GET_PGID_PRIO(X, P) ((X >> (P * 8)) & 0xff)
- #define QLC_DCB_GET_BWPER_PG(X, P) ((X >> (P * 8)) & 0xff)
- #define QLC_DCB_GET_TSA_PG(X, P) ((X >> (P * 8)) & 0xff)
- #define QLC_DCB_GET_PFC_PRIO(X, P) (((X >> 24) >> P) & 0x1)
- #define QLC_DCB_GET_PROTO_ID_APP(X) ((X >> 8) & 0xffff)
- #define QLC_DCB_GET_SELECTOR_APP(X) (X & 0xff)
- #define QLC_DCB_LOCAL_PARAM_FWID 0x3
- #define QLC_DCB_OPER_PARAM_FWID 0x1
- #define QLC_DCB_PEER_PARAM_FWID 0x2
- #define QLC_83XX_DCB_GET_NUMAPP(X) ((X >> 2) & 0xf)
- #define QLC_83XX_DCB_TSA_VALID(X) (X & 0x1)
- #define QLC_83XX_DCB_PFC_VALID(X) ((X >> 1) & 0x1)
- #define QLC_83XX_DCB_GET_PRIOMAP_APP(X) (X >> 24)
- #define QLC_82XX_DCB_GET_NUMAPP(X) ((X >> 12) & 0xf)
- #define QLC_82XX_DCB_TSA_VALID(X) ((X >> 4) & 0x1)
- #define QLC_82XX_DCB_PFC_VALID(X) ((X >> 5) & 0x1)
- #define QLC_82XX_DCB_GET_PRIOVAL_APP(X) ((X >> 24) & 0x7)
- #define QLC_82XX_DCB_GET_PRIOMAP_APP(X) (1 << X)
- #define QLC_82XX_DCB_PRIO_TC_MAP (0x76543210)
- static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops;
- static void qlcnic_dcb_aen_work(struct work_struct *);
- static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *);
- static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_dcb *);
- static void __qlcnic_dcb_free(struct qlcnic_dcb *);
- static int __qlcnic_dcb_attach(struct qlcnic_dcb *);
- static int __qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *, char *);
- static void __qlcnic_dcb_get_info(struct qlcnic_dcb *);
- static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_dcb *);
- static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_dcb *, char *, u8);
- static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_dcb *);
- static void qlcnic_82xx_dcb_aen_handler(struct qlcnic_dcb *, void *);
- static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_dcb *);
- static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_dcb *, char *, u8);
- static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_dcb *);
- static void qlcnic_83xx_dcb_aen_handler(struct qlcnic_dcb *, void *);
- struct qlcnic_dcb_capability {
- bool tsa_capability;
- bool ets_capability;
- u8 max_num_tc;
- u8 max_ets_tc;
- u8 max_pfc_tc;
- u8 dcb_capability;
- };
- struct qlcnic_dcb_param {
- u32 hdr_prio_pfc_map[2];
- u32 prio_pg_map[2];
- u32 pg_bw_map[2];
- u32 pg_tsa_map[2];
- u32 app[QLC_DCB_MAX_APP];
- };
- struct qlcnic_dcb_mbx_params {
- /* 1st local, 2nd operational 3rd remote */
- struct qlcnic_dcb_param type[3];
- u32 prio_tc_map;
- };
- struct qlcnic_82xx_dcb_param_mbx_le {
- __le32 hdr_prio_pfc_map[2];
- __le32 prio_pg_map[2];
- __le32 pg_bw_map[2];
- __le32 pg_tsa_map[2];
- __le32 app[QLC_DCB_MAX_APP];
- };
- enum qlcnic_dcb_selector {
- QLC_SELECTOR_DEF = 0x0,
- QLC_SELECTOR_ETHER,
- QLC_SELECTOR_TCP,
- QLC_SELECTOR_UDP,
- };
- enum qlcnic_dcb_prio_type {
- QLC_PRIO_NONE = 0,
- QLC_PRIO_GROUP,
- QLC_PRIO_LINK,
- };
- enum qlcnic_dcb_pfc_type {
- QLC_PFC_DISABLED = 0,
- QLC_PFC_FULL,
- QLC_PFC_TX,
- QLC_PFC_RX
- };
- struct qlcnic_dcb_prio_cfg {
- bool valid;
- enum qlcnic_dcb_pfc_type pfc_type;
- };
- struct qlcnic_dcb_pg_cfg {
- bool valid;
- u8 total_bw_percent; /* of Link/ port BW */
- u8 prio_count;
- u8 tsa_type;
- };
- struct qlcnic_dcb_tc_cfg {
- bool valid;
- struct qlcnic_dcb_prio_cfg prio_cfg[QLC_DCB_MAX_PRIO];
- enum qlcnic_dcb_prio_type prio_type; /* always prio_link */
- u8 link_percent; /* % of link bandwidth */
- u8 bwg_percent; /* % of BWG's bandwidth */
- u8 up_tc_map;
- u8 pgid;
- };
- struct qlcnic_dcb_app {
- bool valid;
- enum qlcnic_dcb_selector selector;
- u16 protocol;
- u8 priority;
- };
- struct qlcnic_dcb_cee {
- struct qlcnic_dcb_tc_cfg tc_cfg[QLC_DCB_MAX_TC];
- struct qlcnic_dcb_pg_cfg pg_cfg[QLC_DCB_MAX_PG];
- struct qlcnic_dcb_app app[QLC_DCB_MAX_APP];
- bool tc_param_valid;
- bool pfc_mode_enable;
- };
- struct qlcnic_dcb_cfg {
- /* 0 - local, 1 - operational, 2 - remote */
- struct qlcnic_dcb_cee type[QLC_DCB_NUM_PARAM];
- struct qlcnic_dcb_capability capability;
- u32 version;
- };
- static const struct qlcnic_dcb_ops qlcnic_83xx_dcb_ops = {
- .init_dcbnl_ops = __qlcnic_init_dcbnl_ops,
- .free = __qlcnic_dcb_free,
- .attach = __qlcnic_dcb_attach,
- .query_hw_capability = __qlcnic_dcb_query_hw_capability,
- .get_info = __qlcnic_dcb_get_info,
- .get_hw_capability = qlcnic_83xx_dcb_get_hw_capability,
- .query_cee_param = qlcnic_83xx_dcb_query_cee_param,
- .get_cee_cfg = qlcnic_83xx_dcb_get_cee_cfg,
- .aen_handler = qlcnic_83xx_dcb_aen_handler,
- };
- static const struct qlcnic_dcb_ops qlcnic_82xx_dcb_ops = {
- .init_dcbnl_ops = __qlcnic_init_dcbnl_ops,
- .free = __qlcnic_dcb_free,
- .attach = __qlcnic_dcb_attach,
- .query_hw_capability = __qlcnic_dcb_query_hw_capability,
- .get_info = __qlcnic_dcb_get_info,
- .get_hw_capability = qlcnic_82xx_dcb_get_hw_capability,
- .query_cee_param = qlcnic_82xx_dcb_query_cee_param,
- .get_cee_cfg = qlcnic_82xx_dcb_get_cee_cfg,
- .aen_handler = qlcnic_82xx_dcb_aen_handler,
- };
- static u8 qlcnic_dcb_get_num_app(struct qlcnic_adapter *adapter, u32 val)
- {
- if (qlcnic_82xx_check(adapter))
- return QLC_82XX_DCB_GET_NUMAPP(val);
- else
- return QLC_83XX_DCB_GET_NUMAPP(val);
- }
- static inline u8 qlcnic_dcb_pfc_hdr_valid(struct qlcnic_adapter *adapter,
- u32 val)
- {
- if (qlcnic_82xx_check(adapter))
- return QLC_82XX_DCB_PFC_VALID(val);
- else
- return QLC_83XX_DCB_PFC_VALID(val);
- }
- static inline u8 qlcnic_dcb_tsa_hdr_valid(struct qlcnic_adapter *adapter,
- u32 val)
- {
- if (qlcnic_82xx_check(adapter))
- return QLC_82XX_DCB_TSA_VALID(val);
- else
- return QLC_83XX_DCB_TSA_VALID(val);
- }
- static inline u8 qlcnic_dcb_get_prio_map_app(struct qlcnic_adapter *adapter,
- u32 val)
- {
- if (qlcnic_82xx_check(adapter))
- return QLC_82XX_DCB_GET_PRIOMAP_APP(val);
- else
- return QLC_83XX_DCB_GET_PRIOMAP_APP(val);
- }
- static int qlcnic_dcb_prio_count(u8 up_tc_map)
- {
- int j;
- for (j = 0; j < QLC_DCB_MAX_TC; j++)
- if (up_tc_map & QLC_DCB_GET_MAP(j))
- break;
- return j;
- }
- static inline void __qlcnic_init_dcbnl_ops(struct qlcnic_dcb *dcb)
- {
- if (test_bit(QLCNIC_DCB_STATE, &dcb->state))
- dcb->adapter->netdev->dcbnl_ops = &qlcnic_dcbnl_ops;
- }
- static void qlcnic_set_dcb_ops(struct qlcnic_adapter *adapter)
- {
- if (qlcnic_82xx_check(adapter))
- adapter->dcb->ops = &qlcnic_82xx_dcb_ops;
- else if (qlcnic_83xx_check(adapter))
- adapter->dcb->ops = &qlcnic_83xx_dcb_ops;
- }
- int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
- {
- struct qlcnic_dcb *dcb;
- if (qlcnic_sriov_vf_check(adapter))
- return 0;
- dcb = kzalloc(sizeof(struct qlcnic_dcb), GFP_ATOMIC);
- if (!dcb)
- return -ENOMEM;
- adapter->dcb = dcb;
- dcb->adapter = adapter;
- qlcnic_set_dcb_ops(adapter);
- dcb->state = 0;
- return 0;
- }
- static void __qlcnic_dcb_free(struct qlcnic_dcb *dcb)
- {
- struct qlcnic_adapter *adapter;
- if (!dcb)
- return;
- adapter = dcb->adapter;
- while (test_bit(QLCNIC_DCB_AEN_MODE, &dcb->state))
- usleep_range(10000, 11000);
- cancel_delayed_work_sync(&dcb->aen_work);
- if (dcb->wq) {
- destroy_workqueue(dcb->wq);
- dcb->wq = NULL;
- }
- kfree(dcb->cfg);
- dcb->cfg = NULL;
- kfree(dcb->param);
- dcb->param = NULL;
- kfree(dcb);
- adapter->dcb = NULL;
- }
- static void __qlcnic_dcb_get_info(struct qlcnic_dcb *dcb)
- {
- qlcnic_dcb_get_hw_capability(dcb);
- qlcnic_dcb_get_cee_cfg(dcb);
- }
- static int __qlcnic_dcb_attach(struct qlcnic_dcb *dcb)
- {
- int err = 0;
- INIT_DELAYED_WORK(&dcb->aen_work, qlcnic_dcb_aen_work);
- dcb->wq = create_singlethread_workqueue("qlcnic-dcb");
- if (!dcb->wq) {
- dev_err(&dcb->adapter->pdev->dev,
- "DCB workqueue allocation failed. DCB will be disabled\n");
- return -1;
- }
- dcb->cfg = kzalloc(sizeof(struct qlcnic_dcb_cfg), GFP_ATOMIC);
- if (!dcb->cfg) {
- err = -ENOMEM;
- goto out_free_wq;
- }
- dcb->param = kzalloc(sizeof(struct qlcnic_dcb_mbx_params), GFP_ATOMIC);
- if (!dcb->param) {
- err = -ENOMEM;
- goto out_free_cfg;
- }
- return 0;
- out_free_cfg:
- kfree(dcb->cfg);
- dcb->cfg = NULL;
- out_free_wq:
- destroy_workqueue(dcb->wq);
- dcb->wq = NULL;
- return err;
- }
- static int __qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf)
- {
- struct qlcnic_adapter *adapter = dcb->adapter;
- struct qlcnic_cmd_args cmd;
- u32 mbx_out;
- int err;
- err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_CAP);
- if (err)
- return err;
- err = qlcnic_issue_cmd(adapter, &cmd);
- if (err) {
- dev_err(&adapter->pdev->dev,
- "Failed to query DCBX capability, err %d\n", err);
- } else {
- mbx_out = cmd.rsp.arg[1];
- if (buf)
- memcpy(buf, &mbx_out, sizeof(u32));
- }
- qlcnic_free_mbx_args(&cmd);
- return err;
- }
- static int __qlcnic_dcb_get_capability(struct qlcnic_dcb *dcb, u32 *val)
- {
- struct qlcnic_dcb_capability *cap = &dcb->cfg->capability;
- u32 mbx_out;
- int err;
- memset(cap, 0, sizeof(struct qlcnic_dcb_capability));
- err = qlcnic_dcb_query_hw_capability(dcb, (char *)val);
- if (err)
- return err;
- mbx_out = *val;
- if (QLC_DCB_TSA_SUPPORT(mbx_out))
- cap->tsa_capability = true;
- if (QLC_DCB_ETS_SUPPORT(mbx_out))
- cap->ets_capability = true;
- cap->max_num_tc = QLC_DCB_MAX_NUM_TC(mbx_out);
- cap->max_ets_tc = QLC_DCB_MAX_NUM_ETS_TC(mbx_out);
- cap->max_pfc_tc = QLC_DCB_MAX_NUM_PFC_TC(mbx_out);
- if (cap->max_num_tc > QLC_DCB_MAX_TC ||
- cap->max_ets_tc > cap->max_num_tc ||
- cap->max_pfc_tc > cap->max_num_tc) {
- dev_err(&dcb->adapter->pdev->dev, "Invalid DCB configuration\n");
- return -EINVAL;
- }
- return err;
- }
- static int qlcnic_82xx_dcb_get_hw_capability(struct qlcnic_dcb *dcb)
- {
- struct qlcnic_dcb_cfg *cfg = dcb->cfg;
- struct qlcnic_dcb_capability *cap;
- u32 mbx_out;
- int err;
- err = __qlcnic_dcb_get_capability(dcb, &mbx_out);
- if (err)
- return err;
- cap = &cfg->capability;
- cap->dcb_capability = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_LLD_MANAGED;
- if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability)
- set_bit(QLCNIC_DCB_STATE, &dcb->state);
- return err;
- }
- static int qlcnic_82xx_dcb_query_cee_param(struct qlcnic_dcb *dcb,
- char *buf, u8 type)
- {
- u16 size = sizeof(struct qlcnic_82xx_dcb_param_mbx_le);
- struct qlcnic_adapter *adapter = dcb->adapter;
- struct qlcnic_82xx_dcb_param_mbx_le *prsp_le;
- struct device *dev = &adapter->pdev->dev;
- dma_addr_t cardrsp_phys_addr;
- struct qlcnic_dcb_param rsp;
- struct qlcnic_cmd_args cmd;
- u64 phys_addr;
- void *addr;
- int err, i;
- switch (type) {
- case QLC_DCB_LOCAL_PARAM_FWID:
- case QLC_DCB_OPER_PARAM_FWID:
- case QLC_DCB_PEER_PARAM_FWID:
- break;
- default:
- dev_err(dev, "Invalid parameter type %d\n", type);
- return -EINVAL;
- }
- addr = dma_alloc_coherent(dev, size, &cardrsp_phys_addr, GFP_KERNEL);
- if (addr == NULL)
- return -ENOMEM;
- prsp_le = addr;
- err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM);
- if (err)
- goto out_free_rsp;
- phys_addr = cardrsp_phys_addr;
- cmd.req.arg[1] = size | (type << 16);
- cmd.req.arg[2] = MSD(phys_addr);
- cmd.req.arg[3] = LSD(phys_addr);
- err = qlcnic_issue_cmd(adapter, &cmd);
- if (err) {
- dev_err(dev, "Failed to query DCBX parameter, err %d\n", err);
- goto out;
- }
- memset(&rsp, 0, sizeof(struct qlcnic_dcb_param));
- rsp.hdr_prio_pfc_map[0] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[0]);
- rsp.hdr_prio_pfc_map[1] = le32_to_cpu(prsp_le->hdr_prio_pfc_map[1]);
- rsp.prio_pg_map[0] = le32_to_cpu(prsp_le->prio_pg_map[0]);
- rsp.prio_pg_map[1] = le32_to_cpu(prsp_le->prio_pg_map[1]);
- rsp.pg_bw_map[0] = le32_to_cpu(prsp_le->pg_bw_map[0]);
- rsp.pg_bw_map[1] = le32_to_cpu(prsp_le->pg_bw_map[1]);
- rsp.pg_tsa_map[0] = le32_to_cpu(prsp_le->pg_tsa_map[0]);
- rsp.pg_tsa_map[1] = le32_to_cpu(prsp_le->pg_tsa_map[1]);
- for (i = 0; i < QLC_DCB_MAX_APP; i++)
- rsp.app[i] = le32_to_cpu(prsp_le->app[i]);
- if (buf)
- memcpy(buf, &rsp, size);
- out:
- qlcnic_free_mbx_args(&cmd);
- out_free_rsp:
- dma_free_coherent(dev, size, addr, cardrsp_phys_addr);
- return err;
- }
- static int qlcnic_82xx_dcb_get_cee_cfg(struct qlcnic_dcb *dcb)
- {
- struct qlcnic_dcb_mbx_params *mbx;
- int err;
- mbx = dcb->param;
- if (!mbx)
- return 0;
- err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[0],
- QLC_DCB_LOCAL_PARAM_FWID);
- if (err)
- return err;
- err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[1],
- QLC_DCB_OPER_PARAM_FWID);
- if (err)
- return err;
- err = qlcnic_dcb_query_cee_param(dcb, (char *)&mbx->type[2],
- QLC_DCB_PEER_PARAM_FWID);
- if (err)
- return err;
- mbx->prio_tc_map = QLC_82XX_DCB_PRIO_TC_MAP;
- qlcnic_dcb_data_cee_param_map(dcb->adapter);
- return err;
- }
- static void qlcnic_dcb_aen_work(struct work_struct *work)
- {
- struct qlcnic_dcb *dcb;
- dcb = container_of(work, struct qlcnic_dcb, aen_work.work);
- qlcnic_dcb_get_cee_cfg(dcb);
- clear_bit(QLCNIC_DCB_AEN_MODE, &dcb->state);
- }
- static void qlcnic_82xx_dcb_aen_handler(struct qlcnic_dcb *dcb, void *data)
- {
- if (test_and_set_bit(QLCNIC_DCB_AEN_MODE, &dcb->state))
- return;
- queue_delayed_work(dcb->wq, &dcb->aen_work, 0);
- }
- static int qlcnic_83xx_dcb_get_hw_capability(struct qlcnic_dcb *dcb)
- {
- struct qlcnic_dcb_capability *cap = &dcb->cfg->capability;
- u32 mbx_out;
- int err;
- err = __qlcnic_dcb_get_capability(dcb, &mbx_out);
- if (err)
- return err;
- if (mbx_out & BIT_2)
- cap->dcb_capability = DCB_CAP_DCBX_VER_CEE;
- if (mbx_out & BIT_3)
- cap->dcb_capability |= DCB_CAP_DCBX_VER_IEEE;
- if (cap->dcb_capability)
- cap->dcb_capability |= DCB_CAP_DCBX_LLD_MANAGED;
- if (cap->dcb_capability && cap->tsa_capability && cap->ets_capability)
- set_bit(QLCNIC_DCB_STATE, &dcb->state);
- return err;
- }
- static int qlcnic_83xx_dcb_query_cee_param(struct qlcnic_dcb *dcb,
- char *buf, u8 idx)
- {
- struct qlcnic_adapter *adapter = dcb->adapter;
- struct qlcnic_dcb_mbx_params mbx_out;
- int err, i, j, k, max_app, size;
- struct qlcnic_dcb_param *each;
- struct qlcnic_cmd_args cmd;
- u32 val;
- char *p;
- size = 0;
- memset(&mbx_out, 0, sizeof(struct qlcnic_dcb_mbx_params));
- memset(buf, 0, sizeof(struct qlcnic_dcb_mbx_params));
- err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DCB_QUERY_PARAM);
- if (err)
- return err;
- cmd.req.arg[0] |= QLC_DCB_FW_VER << 29;
- err = qlcnic_issue_cmd(adapter, &cmd);
- if (err) {
- dev_err(&adapter->pdev->dev,
- "Failed to query DCBX param, err %d\n", err);
- goto out;
- }
- mbx_out.prio_tc_map = cmd.rsp.arg[1];
- p = memcpy(buf, &mbx_out, sizeof(u32));
- k = 2;
- p += sizeof(u32);
- for (j = 0; j < QLC_DCB_NUM_PARAM; j++) {
- each = &mbx_out.type[j];
- each->hdr_prio_pfc_map[0] = cmd.rsp.arg[k++];
- each->hdr_prio_pfc_map[1] = cmd.rsp.arg[k++];
- each->prio_pg_map[0] = cmd.rsp.arg[k++];
- each->prio_pg_map[1] = cmd.rsp.arg[k++];
- each->pg_bw_map[0] = cmd.rsp.arg[k++];
- each->pg_bw_map[1] = cmd.rsp.arg[k++];
- each->pg_tsa_map[0] = cmd.rsp.arg[k++];
- each->pg_tsa_map[1] = cmd.rsp.arg[k++];
- val = each->hdr_prio_pfc_map[0];
- max_app = qlcnic_dcb_get_num_app(adapter, val);
- for (i = 0; i < max_app; i++)
- each->app[i] = cmd.rsp.arg[i + k];
- size = 16 * sizeof(u32);
- memcpy(p, &each->hdr_prio_pfc_map[0], size);
- p += size;
- if (j == 0)
- k = 18;
- else
- k = 34;
- }
- out:
- qlcnic_free_mbx_args(&cmd);
- return err;
- }
- static int qlcnic_83xx_dcb_get_cee_cfg(struct qlcnic_dcb *dcb)
- {
- int err;
- err = qlcnic_dcb_query_cee_param(dcb, (char *)dcb->param, 0);
- if (err)
- return err;
- qlcnic_dcb_data_cee_param_map(dcb->adapter);
- return err;
- }
- static void qlcnic_83xx_dcb_aen_handler(struct qlcnic_dcb *dcb, void *data)
- {
- u32 *val = data;
- if (test_and_set_bit(QLCNIC_DCB_AEN_MODE, &dcb->state))
- return;
- if (*val & BIT_8)
- set_bit(QLCNIC_DCB_STATE, &dcb->state);
- else
- clear_bit(QLCNIC_DCB_STATE, &dcb->state);
- queue_delayed_work(dcb->wq, &dcb->aen_work, 0);
- }
- static void qlcnic_dcb_fill_cee_tc_params(struct qlcnic_dcb_mbx_params *mbx,
- struct qlcnic_dcb_param *each,
- struct qlcnic_dcb_cee *type)
- {
- struct qlcnic_dcb_tc_cfg *tc_cfg;
- u8 i, tc, pgid;
- for (i = 0; i < QLC_DCB_MAX_PRIO; i++) {
- tc = QLC_DCB_GET_TC_PRIO(mbx->prio_tc_map, i);
- tc_cfg = &type->tc_cfg[tc];
- tc_cfg->valid = true;
- tc_cfg->up_tc_map |= QLC_DCB_GET_MAP(i);
- if (QLC_DCB_GET_PFC_PRIO(each->hdr_prio_pfc_map[1], i) &&
- type->pfc_mode_enable) {
- tc_cfg->prio_cfg[i].valid = true;
- tc_cfg->prio_cfg[i].pfc_type = QLC_PFC_FULL;
- }
- if (i < 4)
- pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[0], i);
- else
- pgid = QLC_DCB_GET_PGID_PRIO(each->prio_pg_map[1], i);
- tc_cfg->pgid = pgid;
- tc_cfg->prio_type = QLC_PRIO_LINK;
- type->pg_cfg[tc_cfg->pgid].prio_count++;
- }
- }
- static void qlcnic_dcb_fill_cee_pg_params(struct qlcnic_dcb_param *each,
- struct qlcnic_dcb_cee *type)
- {
- struct qlcnic_dcb_pg_cfg *pg_cfg;
- u8 i, tsa, bw_per;
- for (i = 0; i < QLC_DCB_MAX_PG; i++) {
- pg_cfg = &type->pg_cfg[i];
- pg_cfg->valid = true;
- if (i < 4) {
- bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[0], i);
- tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[0], i);
- } else {
- bw_per = QLC_DCB_GET_BWPER_PG(each->pg_bw_map[1], i);
- tsa = QLC_DCB_GET_TSA_PG(each->pg_tsa_map[1], i);
- }
- pg_cfg->total_bw_percent = bw_per;
- pg_cfg->tsa_type = tsa;
- }
- }
- static void
- qlcnic_dcb_fill_cee_app_params(struct qlcnic_adapter *adapter, u8 idx,
- struct qlcnic_dcb_param *each,
- struct qlcnic_dcb_cee *type)
- {
- struct qlcnic_dcb_app *app;
- u8 i, num_app, map, cnt;
- struct dcb_app new_app;
- num_app = qlcnic_dcb_get_num_app(adapter, each->hdr_prio_pfc_map[0]);
- for (i = 0; i < num_app; i++) {
- app = &type->app[i];
- app->valid = true;
- /* Only for CEE (-1) */
- app->selector = QLC_DCB_GET_SELECTOR_APP(each->app[i]) - 1;
- new_app.selector = app->selector;
- app->protocol = QLC_DCB_GET_PROTO_ID_APP(each->app[i]);
- new_app.protocol = app->protocol;
- map = qlcnic_dcb_get_prio_map_app(adapter, each->app[i]);
- cnt = qlcnic_dcb_prio_count(map);
- if (cnt >= QLC_DCB_MAX_TC)
- cnt = 0;
- app->priority = cnt;
- new_app.priority = cnt;
- if (idx == QLC_DCB_OPER_IDX && adapter->netdev->dcbnl_ops)
- dcb_setapp(adapter->netdev, &new_app);
- }
- }
- static void qlcnic_dcb_map_cee_params(struct qlcnic_adapter *adapter, u8 idx)
- {
- struct qlcnic_dcb_mbx_params *mbx = adapter->dcb->param;
- struct qlcnic_dcb_param *each = &mbx->type[idx];
- struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
- struct qlcnic_dcb_cee *type = &cfg->type[idx];
- type->tc_param_valid = false;
- type->pfc_mode_enable = false;
- memset(type->tc_cfg, 0,
- sizeof(struct qlcnic_dcb_tc_cfg) * QLC_DCB_MAX_TC);
- memset(type->pg_cfg, 0,
- sizeof(struct qlcnic_dcb_pg_cfg) * QLC_DCB_MAX_TC);
- if (qlcnic_dcb_pfc_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) &&
- cfg->capability.max_pfc_tc)
- type->pfc_mode_enable = true;
- if (qlcnic_dcb_tsa_hdr_valid(adapter, each->hdr_prio_pfc_map[0]) &&
- cfg->capability.max_ets_tc)
- type->tc_param_valid = true;
- qlcnic_dcb_fill_cee_tc_params(mbx, each, type);
- qlcnic_dcb_fill_cee_pg_params(each, type);
- qlcnic_dcb_fill_cee_app_params(adapter, idx, each, type);
- }
- static void qlcnic_dcb_data_cee_param_map(struct qlcnic_adapter *adapter)
- {
- int i;
- for (i = 0; i < QLC_DCB_NUM_PARAM; i++)
- qlcnic_dcb_map_cee_params(adapter, i);
- dcbnl_cee_notify(adapter->netdev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0);
- }
- static u8 qlcnic_dcb_get_state(struct net_device *netdev)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- return test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state);
- }
- static void qlcnic_dcb_get_perm_hw_addr(struct net_device *netdev, u8 *addr)
- {
- memcpy(addr, netdev->perm_addr, netdev->addr_len);
- }
- static void
- qlcnic_dcb_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, u8 *prio,
- u8 *pgid, u8 *bw_per, u8 *up_tc_map)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_tc_cfg *tc_cfg, *temp;
- struct qlcnic_dcb_cee *type;
- u8 i, cnt, pg;
- type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
- *prio = *pgid = *bw_per = *up_tc_map = 0;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) ||
- !type->tc_param_valid)
- return;
- if (tc < 0 || (tc >= QLC_DCB_MAX_TC))
- return;
- tc_cfg = &type->tc_cfg[tc];
- if (!tc_cfg->valid)
- return;
- *pgid = tc_cfg->pgid;
- *prio = tc_cfg->prio_type;
- *up_tc_map = tc_cfg->up_tc_map;
- pg = *pgid;
- for (i = 0, cnt = 0; i < QLC_DCB_MAX_TC; i++) {
- temp = &type->tc_cfg[i];
- if (temp->valid && (pg == temp->pgid))
- cnt++;
- }
- tc_cfg->bwg_percent = (100 / cnt);
- *bw_per = tc_cfg->bwg_percent;
- }
- static void qlcnic_dcb_get_pg_bwg_cfg_tx(struct net_device *netdev, int pgid,
- u8 *bw_pct)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_pg_cfg *pgcfg;
- struct qlcnic_dcb_cee *type;
- *bw_pct = 0;
- type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) ||
- !type->tc_param_valid)
- return;
- if (pgid < 0 || pgid >= QLC_DCB_MAX_PG)
- return;
- pgcfg = &type->pg_cfg[pgid];
- if (!pgcfg->valid)
- return;
- *bw_pct = pgcfg->total_bw_percent;
- }
- static void qlcnic_dcb_get_pfc_cfg(struct net_device *netdev, int prio,
- u8 *setting)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_tc_cfg *tc_cfg;
- u8 val = QLC_DCB_GET_MAP(prio);
- struct qlcnic_dcb_cee *type;
- u8 i;
- *setting = 0;
- type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state) ||
- !type->pfc_mode_enable)
- return;
- for (i = 0; i < QLC_DCB_MAX_TC; i++) {
- tc_cfg = &type->tc_cfg[i];
- if (!tc_cfg->valid)
- continue;
- if ((val & tc_cfg->up_tc_map) && (tc_cfg->prio_cfg[prio].valid))
- *setting = tc_cfg->prio_cfg[prio].pfc_type;
- }
- }
- static u8 qlcnic_dcb_get_capability(struct net_device *netdev, int capid,
- u8 *cap)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return 0;
- switch (capid) {
- case DCB_CAP_ATTR_PG:
- case DCB_CAP_ATTR_UP2TC:
- case DCB_CAP_ATTR_PFC:
- case DCB_CAP_ATTR_GSP:
- *cap = true;
- break;
- case DCB_CAP_ATTR_PG_TCS:
- case DCB_CAP_ATTR_PFC_TCS:
- *cap = 0x80; /* 8 priorities for PGs */
- break;
- case DCB_CAP_ATTR_DCBX:
- *cap = adapter->dcb->cfg->capability.dcb_capability;
- break;
- default:
- *cap = false;
- }
- return 0;
- }
- static int qlcnic_dcb_get_num_tcs(struct net_device *netdev, int attr, u8 *num)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return -EINVAL;
- switch (attr) {
- case DCB_NUMTCS_ATTR_PG:
- *num = cfg->capability.max_ets_tc;
- return 0;
- case DCB_NUMTCS_ATTR_PFC:
- *num = cfg->capability.max_pfc_tc;
- return 0;
- default:
- return -EINVAL;
- }
- }
- static int qlcnic_dcb_get_app(struct net_device *netdev, u8 idtype, u16 id)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct dcb_app app = {
- .selector = idtype,
- .protocol = id,
- };
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return -EINVAL;
- return dcb_getapp(netdev, &app);
- }
- static u8 qlcnic_dcb_get_pfc_state(struct net_device *netdev)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb *dcb = adapter->dcb;
- if (!test_bit(QLCNIC_DCB_STATE, &dcb->state))
- return 0;
- return dcb->cfg->type[QLC_DCB_OPER_IDX].pfc_mode_enable;
- }
- static u8 qlcnic_dcb_get_dcbx(struct net_device *netdev)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return 0;
- return cfg->capability.dcb_capability;
- }
- static u8 qlcnic_dcb_get_feat_cfg(struct net_device *netdev, int fid, u8 *flag)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_cee *type;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return 1;
- type = &adapter->dcb->cfg->type[QLC_DCB_OPER_IDX];
- *flag = 0;
- switch (fid) {
- case DCB_FEATCFG_ATTR_PG:
- if (type->tc_param_valid)
- *flag |= DCB_FEATCFG_ENABLE;
- else
- *flag |= DCB_FEATCFG_ERROR;
- break;
- case DCB_FEATCFG_ATTR_PFC:
- if (type->pfc_mode_enable) {
- if (type->tc_cfg[0].prio_cfg[0].pfc_type)
- *flag |= DCB_FEATCFG_ENABLE;
- } else {
- *flag |= DCB_FEATCFG_ERROR;
- }
- break;
- case DCB_FEATCFG_ATTR_APP:
- *flag |= DCB_FEATCFG_ENABLE;
- break;
- default:
- netdev_err(netdev, "Invalid Feature ID %d\n", fid);
- return 1;
- }
- return 0;
- }
- static inline void
- qlcnic_dcb_get_pg_tc_cfg_rx(struct net_device *netdev, int prio, u8 *prio_type,
- u8 *pgid, u8 *bw_pct, u8 *up_map)
- {
- *prio_type = *pgid = *bw_pct = *up_map = 0;
- }
- static inline void
- qlcnic_dcb_get_pg_bwg_cfg_rx(struct net_device *netdev, int pgid, u8 *bw_pct)
- {
- *bw_pct = 0;
- }
- static int qlcnic_dcb_peer_app_info(struct net_device *netdev,
- struct dcb_peer_app_info *info,
- u16 *app_count)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_cee *peer;
- int i;
- memset(info, 0, sizeof(*info));
- *app_count = 0;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return 0;
- peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX];
- for (i = 0; i < QLC_DCB_MAX_APP; i++) {
- if (peer->app[i].valid)
- (*app_count)++;
- }
- return 0;
- }
- static int qlcnic_dcb_peer_app_table(struct net_device *netdev,
- struct dcb_app *table)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_cee *peer;
- struct qlcnic_dcb_app *app;
- int i, j;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return 0;
- peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX];
- for (i = 0, j = 0; i < QLC_DCB_MAX_APP; i++) {
- app = &peer->app[i];
- if (!app->valid)
- continue;
- table[j].selector = app->selector;
- table[j].priority = app->priority;
- table[j++].protocol = app->protocol;
- }
- return 0;
- }
- static int qlcnic_dcb_cee_peer_get_pg(struct net_device *netdev,
- struct cee_pg *pg)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_cee *peer;
- u8 i, j, k, map;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return 0;
- peer = &adapter->dcb->cfg->type[QLC_DCB_PEER_IDX];
- for (i = 0, j = 0; i < QLC_DCB_MAX_PG; i++) {
- if (!peer->pg_cfg[i].valid)
- continue;
- pg->pg_bw[j] = peer->pg_cfg[i].total_bw_percent;
- for (k = 0; k < QLC_DCB_MAX_TC; k++) {
- if (peer->tc_cfg[i].valid &&
- (peer->tc_cfg[i].pgid == i)) {
- map = peer->tc_cfg[i].up_tc_map;
- pg->prio_pg[j++] = map;
- break;
- }
- }
- }
- return 0;
- }
- static int qlcnic_dcb_cee_peer_get_pfc(struct net_device *netdev,
- struct cee_pfc *pfc)
- {
- struct qlcnic_adapter *adapter = netdev_priv(netdev);
- struct qlcnic_dcb_cfg *cfg = adapter->dcb->cfg;
- struct qlcnic_dcb_tc_cfg *tc;
- struct qlcnic_dcb_cee *peer;
- u8 i, setting, prio;
- pfc->pfc_en = 0;
- if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))
- return 0;
- peer = &cfg->type[QLC_DCB_PEER_IDX];
- for (i = 0; i < QLC_DCB_MAX_TC; i++) {
- tc = &peer->tc_cfg[i];
- prio = qlcnic_dcb_prio_count(tc->up_tc_map);
- setting = 0;
- qlcnic_dcb_get_pfc_cfg(netdev, prio, &setting);
- if (setting)
- pfc->pfc_en |= QLC_DCB_GET_MAP(i);
- }
- pfc->tcs_supported = cfg->capability.max_pfc_tc;
- return 0;
- }
- static const struct dcbnl_rtnl_ops qlcnic_dcbnl_ops = {
- .getstate = qlcnic_dcb_get_state,
- .getpermhwaddr = qlcnic_dcb_get_perm_hw_addr,
- .getpgtccfgtx = qlcnic_dcb_get_pg_tc_cfg_tx,
- .getpgbwgcfgtx = qlcnic_dcb_get_pg_bwg_cfg_tx,
- .getpfccfg = qlcnic_dcb_get_pfc_cfg,
- .getcap = qlcnic_dcb_get_capability,
- .getnumtcs = qlcnic_dcb_get_num_tcs,
- .getapp = qlcnic_dcb_get_app,
- .getpfcstate = qlcnic_dcb_get_pfc_state,
- .getdcbx = qlcnic_dcb_get_dcbx,
- .getfeatcfg = qlcnic_dcb_get_feat_cfg,
- .getpgtccfgrx = qlcnic_dcb_get_pg_tc_cfg_rx,
- .getpgbwgcfgrx = qlcnic_dcb_get_pg_bwg_cfg_rx,
- .peer_getappinfo = qlcnic_dcb_peer_app_info,
- .peer_getapptable = qlcnic_dcb_peer_app_table,
- .cee_peer_getpg = qlcnic_dcb_cee_peer_get_pg,
- .cee_peer_getpfc = qlcnic_dcb_cee_peer_get_pfc,
- };
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