diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_sp.c')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_sp.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 54c26c59bbfd..1714a1e23113 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -48,6 +48,7 @@ #include "qplib_res.h" #include "qplib_rcfw.h" #include "qplib_sp.h" +#include "qplib_tlv.h" const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; @@ -849,3 +850,111 @@ bail: bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); return rc; } + +static void bnxt_qplib_fill_cc_gen1(struct cmdq_modify_roce_cc_gen1_tlv *ext_req, + struct bnxt_qplib_cc_param_ext *cc_ext) +{ + ext_req->modify_mask = cpu_to_le64(cc_ext->ext_mask); + cc_ext->ext_mask = 0; + ext_req->inactivity_th_hi = cpu_to_le16(cc_ext->inact_th_hi); + ext_req->min_time_between_cnps = cpu_to_le16(cc_ext->min_delta_cnp); + ext_req->init_cp = cpu_to_le16(cc_ext->init_cp); + ext_req->tr_update_mode = cc_ext->tr_update_mode; + ext_req->tr_update_cycles = cc_ext->tr_update_cyls; + ext_req->fr_num_rtts = cc_ext->fr_rtt; + ext_req->ai_rate_increase = cc_ext->ai_rate_incr; + ext_req->reduction_relax_rtts_th = cpu_to_le16(cc_ext->rr_rtt_th); + ext_req->additional_relax_cr_th = cpu_to_le16(cc_ext->ar_cr_th); + ext_req->cr_min_th = cpu_to_le16(cc_ext->cr_min_th); + ext_req->bw_avg_weight = cc_ext->bw_avg_weight; + ext_req->actual_cr_factor = cc_ext->cr_factor; + ext_req->max_cp_cr_th = cpu_to_le16(cc_ext->cr_th_max_cp); + ext_req->cp_bias_en = cc_ext->cp_bias_en; + ext_req->cp_bias = cc_ext->cp_bias; + ext_req->cnp_ecn = cc_ext->cnp_ecn; + ext_req->rtt_jitter_en = cc_ext->rtt_jitter_en; + ext_req->link_bytes_per_usec = cpu_to_le16(cc_ext->bytes_per_usec); + ext_req->reset_cc_cr_th = cpu_to_le16(cc_ext->cc_cr_reset_th); + ext_req->cr_width = cc_ext->cr_width; + ext_req->quota_period_min = cc_ext->min_quota; + ext_req->quota_period_max = cc_ext->max_quota; + ext_req->quota_period_abs_max = cc_ext->abs_max_quota; + ext_req->tr_lower_bound = cpu_to_le16(cc_ext->tr_lb); + ext_req->cr_prob_factor = cc_ext->cr_prob_fac; + ext_req->tr_prob_factor = cc_ext->tr_prob_fac; + ext_req->fairness_cr_th = cpu_to_le16(cc_ext->fair_cr_th); + ext_req->red_div = cc_ext->red_div; + ext_req->cnp_ratio_th = cc_ext->cnp_ratio_th; + ext_req->exp_ai_rtts = cpu_to_le16(cc_ext->ai_ext_rtt); + ext_req->exp_ai_cr_cp_ratio = cc_ext->exp_crcp_ratio; + ext_req->use_rate_table = cc_ext->low_rate_en; + ext_req->cp_exp_update_th = cpu_to_le16(cc_ext->cpcr_update_th); + ext_req->high_exp_ai_rtts_th1 = cpu_to_le16(cc_ext->ai_rtt_th1); + ext_req->high_exp_ai_rtts_th2 = cpu_to_le16(cc_ext->ai_rtt_th2); + ext_req->actual_cr_cong_free_rtts_th = cpu_to_le16(cc_ext->cf_rtt_th); + ext_req->severe_cong_cr_th1 = cpu_to_le16(cc_ext->sc_cr_th1); + ext_req->severe_cong_cr_th2 = cpu_to_le16(cc_ext->sc_cr_th2); + ext_req->link64B_per_rtt = cpu_to_le32(cc_ext->l64B_per_rtt); + ext_req->cc_ack_bytes = cc_ext->cc_ack_bytes; +} + +int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res, + struct bnxt_qplib_cc_param *cc_param) +{ + struct bnxt_qplib_tlv_modify_cc_req tlv_req = {}; + struct creq_modify_roce_cc_resp resp = {}; + struct bnxt_qplib_cmdqmsg msg = {}; + struct cmdq_modify_roce_cc *req; + int req_size; + void *cmd; + int rc; + + /* Prepare the older base command */ + req = &tlv_req.base_req; + cmd = req; + req_size = sizeof(*req); + bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)req, CMDQ_BASE_OPCODE_MODIFY_ROCE_CC, + sizeof(*req)); + req->modify_mask = cpu_to_le32(cc_param->mask); + req->enable_cc = cc_param->enable; + req->g = cc_param->g; + req->num_phases_per_state = cc_param->nph_per_state; + req->time_per_phase = cc_param->time_pph; + req->pkts_per_phase = cc_param->pkts_pph; + req->init_cr = cpu_to_le16(cc_param->init_cr); + req->init_tr = cpu_to_le16(cc_param->init_tr); + req->tos_dscp_tos_ecn = (cc_param->tos_dscp << CMDQ_MODIFY_ROCE_CC_TOS_DSCP_SFT) | + (cc_param->tos_ecn & CMDQ_MODIFY_ROCE_CC_TOS_ECN_MASK); + req->alt_vlan_pcp = cc_param->alt_vlan_pcp; + req->alt_tos_dscp = cpu_to_le16(cc_param->alt_tos_dscp); + req->rtt = cpu_to_le16(cc_param->rtt); + req->tcp_cp = cpu_to_le16(cc_param->tcp_cp); + req->cc_mode = cc_param->cc_mode; + req->inactivity_th = cpu_to_le16(cc_param->inact_th); + + /* For chip gen P5 onwards fill extended cmd and header */ + if (bnxt_qplib_is_chip_gen_p5(res->cctx)) { + struct roce_tlv *hdr; + u32 payload; + u32 chunks; + + cmd = &tlv_req; + req_size = sizeof(tlv_req); + /* Prepare primary tlv header */ + hdr = &tlv_req.tlv_hdr; + chunks = CHUNKS(sizeof(struct bnxt_qplib_tlv_modify_cc_req)); + payload = sizeof(struct cmdq_modify_roce_cc); + __roce_1st_tlv_prep(hdr, chunks, payload, true); + /* Prepare secondary tlv header */ + hdr = (struct roce_tlv *)&tlv_req.ext_req; + payload = sizeof(struct cmdq_modify_roce_cc_gen1_tlv) - + sizeof(struct roce_tlv); + __roce_ext_tlv_prep(hdr, TLV_TYPE_MODIFY_ROCE_CC_GEN1, payload, false, true); + bnxt_qplib_fill_cc_gen1(&tlv_req.ext_req, &cc_param->cc_ext); + } + + bnxt_qplib_fill_cmdqmsg(&msg, cmd, &resp, NULL, req_size, + sizeof(resp), 0); + rc = bnxt_qplib_rcfw_send_message(res->rcfw, &msg); + return rc; +} |