qm_info->start_vport = (u8)RESC_START(p_hwfn, QED_VPORT);
+ for (i = 0; i < qm_info->num_vports; i++)
+ qm_info->qm_vport_params[i].vport_wfq = 1;
+
qm_info->pf_wfq = 0;
qm_info->pf_rl = 0;
qm_info->vport_rl_en = 1;
+ qm_info->vport_wfq_en = 1;
return 0;
return rc;
}
+
+int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ struct qed_mcp_link_state *p_link,
+ u8 min_bw)
+{
+ int rc = 0;
+
+ p_hwfn->mcp_info->func_info.bandwidth_min = min_bw;
+ p_hwfn->qm_info.pf_wfq = min_bw;
+
+ if (!p_link->line_speed)
+ return rc;
+
+ p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100;
+
+ rc = qed_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw);
+
+ DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
+ "Configured MIN bandwidth to be %d Mb/sec\n",
+ p_link->min_pf_rate);
+
+ return rc;
+}
+
+/* Main API to configure PF min bandwidth where bw range is [1-100] */
+int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw)
+{
+ int i, rc = -EINVAL;
+
+ if (min_bw < 1 || min_bw > 100) {
+ DP_NOTICE(cdev, "PF min bw valid range is [1-100]\n");
+ return rc;
+ }
+
+ for_each_hwfn(cdev, i) {
+ struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
+ struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev);
+ struct qed_mcp_link_state *p_link;
+ struct qed_ptt *p_ptt;
+
+ p_link = &p_lead->mcp_info->link_output;
+
+ p_ptt = qed_ptt_acquire(p_hwfn);
+ if (!p_ptt)
+ return -EBUSY;
+
+ rc = __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt,
+ p_link, min_bw);
+ if (rc) {
+ qed_ptt_release(p_hwfn, p_ptt);
+ return rc;
+ }
+
+ if (p_link->min_pf_rate) {
+ u32 min_rate = p_link->min_pf_rate;
+
+ rc = __qed_configure_vp_wfq_on_link_change(p_hwfn,
+ p_ptt,
+ min_rate);
+ }
+
+ qed_ptt_release(p_hwfn, p_ptt);
+ }
+
+ return rc;
+}
struct hw_set_info hw_sets[1];
};
+int qed_init_pf_wfq(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
+ u8 pf_id, u16 pf_wfq);
int qed_init_vport_wfq(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
u16 first_tx_pq_id[NUM_OF_TCS], u16 vport_wfq);
#endif
return 0;
}
+int qed_init_pf_wfq(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ u8 pf_id, u16 pf_wfq)
+{
+ u32 inc_val = QM_WFQ_INC_VAL(pf_wfq);
+
+ if (!inc_val || inc_val > QM_WFQ_MAX_INC_VAL) {
+ DP_NOTICE(p_hwfn, "Invalid PF WFQ weight configuration");
+ return -1;
+ }
+
+ qed_wr(p_hwfn, p_ptt, QM_REG_WFQPFWEIGHT + pf_id * 4, inc_val);
+ return 0;
+}
+
int qed_init_pf_rl(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u8 pf_id,
bool b_reset)
{
struct qed_mcp_link_state *p_link;
+ u8 max_bw, min_bw;
u32 status = 0;
- u8 max_bw;
p_link = &p_hwfn->mcp_info->link_output;
memset(p_link, 0, sizeof(*p_link));
p_link->line_speed = 0;
max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
+ min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
- /* Correct speed according to bandwidth allocation */
+ /* Max bandwidth configuration */
__qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
+ /* Min bandwidth configuration */
+ __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
+ qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_link->min_pf_rate);
+
p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
p_link->an_complete = !!(status &
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
p_info = &p_hwfn->mcp_info->func_info;
+ qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
/* Acknowledge the MFW */
struct qed_mcp_link_state {
bool link_up;
+ u32 min_pf_rate;
+
/* Actual link speed in Mb/s */
u32 line_speed;
* @return true iff MFW is running and mcp_info is initialized
*/
bool qed_mcp_is_init(struct qed_hwfn *p_hwfn);
+int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw);
int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw);
int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_mcp_link_state *p_link,
u8 max_bw);
+int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ struct qed_mcp_link_state *p_link,
+ u8 min_bw);
#endif
#define PBF_REG_NGE_COMP_VER 0xd80524UL
#define PRS_REG_NGE_COMP_VER 0x1f0878UL
+#define QM_REG_WFQPFWEIGHT 0x2f4e80UL
#define QM_REG_WFQVPWEIGHT 0x2fa000UL
#endif