Aloka Dixit <alokad@xxxxxxxxxxxxxx> writes: > From: John Crispin <john@xxxxxxxxxxx> > > These calls are used for debugging and will be required for WFA > certification tests. > > Signed-off-by: John Crispin <john@xxxxxxxxxxx> > Co-developed-by: Aloka Dixit <alokad@xxxxxxxxxxxxxx> > Signed-off-by: Aloka Dixit <alokad@xxxxxxxxxxxxxx> [...] > +int ath11k_wmi_send_twt_add_dialog_cmd(struct ath11k *ar, > + struct wmi_twt_add_dialog_params *params) > +{ > + struct ath11k_pdev_wmi *wmi = ar->wmi; > + struct ath11k_base *ab = wmi->wmi_ab->ab; > + struct wmi_twt_add_dialog_params_cmd *cmd; > + struct sk_buff *skb; > + int ret, len; > + > + len = sizeof(*cmd); > + > + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); > + if (!skb) > + return -ENOMEM; > + > + cmd = (struct wmi_twt_add_dialog_params_cmd *)skb->data; > + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_TWT_ADD_DIALOG_CMD) | > + FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE); > + > + cmd->vdev_id = params->vdev_id; > + ether_addr_copy(cmd->peer_macaddr.addr, params->peer_macaddr); > + cmd->dialog_id = params->dialog_id; > + cmd->wake_intvl_us = params->wake_intvl_us; > + cmd->wake_intvl_mantis = params->wake_intvl_mantis; > + cmd->wake_dura_us = params->wake_dura_us; > + cmd->sp_offset_us = params->sp_offset_us; > + cmd->flags = params->twt_cmd; > + if (params->flag_bcast) > + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_BCAST; > + if (params->flag_trigger) > + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_TRIGGER; > + if (params->flag_flow_type) > + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_FLOW_TYPE; > + if (params->flag_protection) > + cmd->flags |= WMI_TWT_ADD_DIALOG_FLAG_PROTECTION; > + > + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, > + "WMI add TWT dialog, vdev %u, dialog id %u,\n" > + "wake interval %u, mantissa %u, wake duration %u,\n" > + "service period offset %u, flags 0x%x\n", In debug messages please use all lower case, and no commas nor \n (ie. all in one line). > + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_TWT_ADD_DIALOG_CMDID); > + > + if (ret) { > + ath11k_warn(ab, > + "Failed to send WMI command to add TWT dialog\n"); Warning and error messages should follow style: "failed to send add TWT dialog WMI command: %d", ret > +static void ath11k_wmi_twt_add_dialog_event(struct ath11k_base *ab, > + struct sk_buff *skb) > +{ > + const char *status[] = { > + "OK", "TWT_NOT_ENABLED", "USED_DIALOG_ID", "INVALID_PARAM", > + "NOT_READY", "NO_RESOURCE", "NO_ACK", "NO_RESPONSE", > + "DENIED", "UNKNOWN_ERROR" > + }; > + const void **tb; > + const struct wmi_twt_add_dialog_event *ev; > + int ret; > + > + tb = ath11k_wmi_tlv_parse_alloc(ab, skb->data, skb->len, GFP_ATOMIC); > + if (IS_ERR(tb)) { > + ret = PTR_ERR(tb); > + ath11k_warn(ab, > + "failed to parse TWT add dialog status event tlv: %d\n", ret); > + return; > + } > + > + ev = tb[WMI_TAG_TWT_ADD_DIALOG_COMPLETE_EVENT]; > + if (!ev) { > + ath11k_warn(ab, "failed to fetch TWT add dialog event\n"); > + goto exit; > + } > + > + ath11k_dbg(ab, ATH11K_DBG_WMI, > + "TWT Add Dialog Event - vdev: %d, dialog id: %d, status: %s\n", > + ev->vdev_id, ev->dialog_id, status[ev->status]); You are not checking that status array is not used out of bounds. I would just remove the string conversion to keep things simple, but if you want to print in strings please add a helper function to do the conversion and add status values as enum to wmi.h. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches