diff options
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_utils.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_utils.c | 289 |
1 files changed, 229 insertions, 60 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 6fd043b1d714..0f5d43d1f5fc 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -153,6 +153,7 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, struct i40iw_device *iwdev; struct i40iw_handler *hdl; u32 local_ipaddr; + u32 action = I40IW_ARP_ADD; hdl = i40iw_find_netdev(event_netdev); if (!hdl) @@ -164,44 +165,25 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, if (netdev != event_netdev) return NOTIFY_DONE; + if (upper_dev) + local_ipaddr = ntohl( + ((struct in_device *)upper_dev->ip_ptr)->ifa_list->ifa_address); + else + local_ipaddr = ntohl(ifa->ifa_address); switch (event) { case NETDEV_DOWN: - if (upper_dev) - local_ipaddr = ntohl( - ((struct in_device *)upper_dev->ip_ptr)->ifa_list->ifa_address); - else - local_ipaddr = ntohl(ifa->ifa_address); - i40iw_manage_arp_cache(iwdev, - netdev->dev_addr, - &local_ipaddr, - true, - I40IW_ARP_DELETE); - return NOTIFY_OK; + action = I40IW_ARP_DELETE; + /* Fall through */ case NETDEV_UP: - if (upper_dev) - local_ipaddr = ntohl( - ((struct in_device *)upper_dev->ip_ptr)->ifa_list->ifa_address); - else - local_ipaddr = ntohl(ifa->ifa_address); - i40iw_manage_arp_cache(iwdev, - netdev->dev_addr, - &local_ipaddr, - true, - I40IW_ARP_ADD); - break; + /* Fall through */ case NETDEV_CHANGEADDR: - /* Add the address to the IP table */ - if (upper_dev) - local_ipaddr = ntohl( - ((struct in_device *)upper_dev->ip_ptr)->ifa_list->ifa_address); - else - local_ipaddr = ntohl(ifa->ifa_address); - i40iw_manage_arp_cache(iwdev, netdev->dev_addr, &local_ipaddr, true, - I40IW_ARP_ADD); + action); + i40iw_if_notify(iwdev, netdev, &local_ipaddr, true, + (action == I40IW_ARP_ADD) ? true : false); break; default: break; @@ -225,6 +207,7 @@ int i40iw_inet6addr_event(struct notifier_block *notifier, struct i40iw_device *iwdev; struct i40iw_handler *hdl; u32 local_ipaddr6[4]; + u32 action = I40IW_ARP_ADD; hdl = i40iw_find_netdev(event_netdev); if (!hdl) @@ -235,24 +218,21 @@ int i40iw_inet6addr_event(struct notifier_block *notifier, if (netdev != event_netdev) return NOTIFY_DONE; + i40iw_copy_ip_ntohl(local_ipaddr6, ifa->addr.in6_u.u6_addr32); switch (event) { case NETDEV_DOWN: - i40iw_copy_ip_ntohl(local_ipaddr6, ifa->addr.in6_u.u6_addr32); - i40iw_manage_arp_cache(iwdev, - netdev->dev_addr, - local_ipaddr6, - false, - I40IW_ARP_DELETE); - return NOTIFY_OK; + action = I40IW_ARP_DELETE; + /* Fall through */ case NETDEV_UP: /* Fall through */ case NETDEV_CHANGEADDR: - i40iw_copy_ip_ntohl(local_ipaddr6, ifa->addr.in6_u.u6_addr32); i40iw_manage_arp_cache(iwdev, netdev->dev_addr, local_ipaddr6, false, - I40IW_ARP_ADD); + action); + i40iw_if_notify(iwdev, netdev, local_ipaddr6, false, + (action == I40IW_ARP_ADD) ? true : false); break; default: break; @@ -392,6 +372,7 @@ static void i40iw_free_qp(struct i40iw_cqp_request *cqp_request, u32 num) i40iw_rem_pdusecount(iwqp->iwpd, iwdev); i40iw_free_qp_resources(iwdev, iwqp, qp_num); + i40iw_rem_devusecount(iwdev); } /** @@ -415,7 +396,10 @@ static int i40iw_wait_event(struct i40iw_device *iwdev, i40iw_pr_err("error cqp command 0x%x timed out ret = %d\n", info->cqp_cmd, timeout_ret); err_code = -ETIME; - i40iw_request_reset(iwdev); + if (!iwdev->reset) { + iwdev->reset = true; + i40iw_request_reset(iwdev); + } goto done; } cqp_error = cqp_request->compl_info.error; @@ -445,6 +429,11 @@ enum i40iw_status_code i40iw_handle_cqp_op(struct i40iw_device *iwdev, struct cqp_commands_info *info = &cqp_request->info; int err_code = 0; + if (iwdev->reset) { + i40iw_free_cqp_request(&iwdev->cqp, cqp_request); + return I40IW_ERR_CQP_COMPL_ERROR; + } + status = i40iw_process_cqp_cmd(dev, info); if (status) { i40iw_pr_err("error cqp command 0x%x failed\n", info->cqp_cmd); @@ -459,6 +448,26 @@ enum i40iw_status_code i40iw_handle_cqp_op(struct i40iw_device *iwdev, } /** + * i40iw_add_devusecount - add dev refcount + * @iwdev: dev for refcount + */ +void i40iw_add_devusecount(struct i40iw_device *iwdev) +{ + atomic64_inc(&iwdev->use_count); +} + +/** + * i40iw_rem_devusecount - decrement refcount for dev + * @iwdev: device + */ +void i40iw_rem_devusecount(struct i40iw_device *iwdev) +{ + if (!atomic64_dec_and_test(&iwdev->use_count)) + return; + wake_up(&iwdev->close_wq); +} + +/** * i40iw_add_pdusecount - add pd refcount * @iwpd: pd for refcount */ @@ -712,6 +721,51 @@ enum i40iw_status_code i40iw_cqp_sds_cmd(struct i40iw_sc_dev *dev, } /** + * i40iw_qp_suspend_resume - cqp command for suspend/resume + * @dev: hardware control device structure + * @qp: hardware control qp + * @suspend: flag if suspend or resume + */ +void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp, bool suspend) +{ + struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; + struct i40iw_cqp_request *cqp_request; + struct i40iw_sc_cqp *cqp = dev->cqp; + struct cqp_commands_info *cqp_info; + enum i40iw_status_code status; + + cqp_request = i40iw_get_cqp_request(&iwdev->cqp, false); + if (!cqp_request) + return; + + cqp_info = &cqp_request->info; + cqp_info->cqp_cmd = (suspend) ? OP_SUSPEND : OP_RESUME; + cqp_info->in.u.suspend_resume.cqp = cqp; + cqp_info->in.u.suspend_resume.qp = qp; + cqp_info->in.u.suspend_resume.scratch = (uintptr_t)cqp_request; + status = i40iw_handle_cqp_op(iwdev, cqp_request); + if (status) + i40iw_pr_err("CQP-OP QP Suspend/Resume fail"); +} + +/** + * i40iw_qp_mss_modify - modify mss for qp + * @dev: hardware control device structure + * @qp: hardware control qp + */ +void i40iw_qp_mss_modify(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp) +{ + struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; + struct i40iw_qp *iwqp = (struct i40iw_qp *)qp->back_qp; + struct i40iw_modify_qp_info info; + + memset(&info, 0, sizeof(info)); + info.mss_change = true; + info.new_mss = qp->vsi->mss; + i40iw_hw_modify_qp(iwdev, iwqp, &info, false); +} + +/** * i40iw_term_modify_qp - modify qp for term message * @qp: hardware control qp * @next_state: qp's next state @@ -769,6 +823,7 @@ static void i40iw_terminate_timeout(unsigned long context) struct i40iw_sc_qp *qp = (struct i40iw_sc_qp *)&iwqp->sc_qp; i40iw_terminate_done(qp, 1); + i40iw_rem_ref(&iwqp->ibqp); } /** @@ -780,6 +835,7 @@ void i40iw_terminate_start_timer(struct i40iw_sc_qp *qp) struct i40iw_qp *iwqp; iwqp = (struct i40iw_qp *)qp->back_qp; + i40iw_add_ref(&iwqp->ibqp); init_timer(&iwqp->terminate_timer); iwqp->terminate_timer.function = i40iw_terminate_timeout; iwqp->terminate_timer.expires = jiffies + HZ; @@ -796,7 +852,8 @@ void i40iw_terminate_del_timer(struct i40iw_sc_qp *qp) struct i40iw_qp *iwqp; iwqp = (struct i40iw_qp *)qp->back_qp; - del_timer(&iwqp->terminate_timer); + if (del_timer(&iwqp->terminate_timer)) + i40iw_rem_ref(&iwqp->ibqp); } /** @@ -1011,6 +1068,116 @@ enum i40iw_status_code i40iw_vf_wait_vchnl_resp(struct i40iw_sc_dev *dev) } /** + * i40iw_cqp_cq_create_cmd - create a cq for the cqp + * @dev: device pointer + * @cq: pointer to created cq + */ +enum i40iw_status_code i40iw_cqp_cq_create_cmd(struct i40iw_sc_dev *dev, + struct i40iw_sc_cq *cq) +{ + struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; + struct i40iw_cqp *iwcqp = &iwdev->cqp; + struct i40iw_cqp_request *cqp_request; + struct cqp_commands_info *cqp_info; + enum i40iw_status_code status; + + cqp_request = i40iw_get_cqp_request(iwcqp, true); + if (!cqp_request) + return I40IW_ERR_NO_MEMORY; + + cqp_info = &cqp_request->info; + cqp_info->cqp_cmd = OP_CQ_CREATE; + cqp_info->post_sq = 1; + cqp_info->in.u.cq_create.cq = cq; + cqp_info->in.u.cq_create.scratch = (uintptr_t)cqp_request; + status = i40iw_handle_cqp_op(iwdev, cqp_request); + if (status) + i40iw_pr_err("CQP-OP Create QP fail"); + + return status; +} + +/** + * i40iw_cqp_qp_create_cmd - create a qp for the cqp + * @dev: device pointer + * @qp: pointer to created qp + */ +enum i40iw_status_code i40iw_cqp_qp_create_cmd(struct i40iw_sc_dev *dev, + struct i40iw_sc_qp *qp) +{ + struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; + struct i40iw_cqp *iwcqp = &iwdev->cqp; + struct i40iw_cqp_request *cqp_request; + struct cqp_commands_info *cqp_info; + struct i40iw_create_qp_info *qp_info; + enum i40iw_status_code status; + + cqp_request = i40iw_get_cqp_request(iwcqp, true); + if (!cqp_request) + return I40IW_ERR_NO_MEMORY; + + cqp_info = &cqp_request->info; + qp_info = &cqp_request->info.in.u.qp_create.info; + + memset(qp_info, 0, sizeof(*qp_info)); + + qp_info->cq_num_valid = true; + qp_info->next_iwarp_state = I40IW_QP_STATE_RTS; + + cqp_info->cqp_cmd = OP_QP_CREATE; + cqp_info->post_sq = 1; + cqp_info->in.u.qp_create.qp = qp; + cqp_info->in.u.qp_create.scratch = (uintptr_t)cqp_request; + status = i40iw_handle_cqp_op(iwdev, cqp_request); + if (status) + i40iw_pr_err("CQP-OP QP create fail"); + return status; +} + +/** + * i40iw_cqp_cq_destroy_cmd - destroy the cqp cq + * @dev: device pointer + * @cq: pointer to cq + */ +void i40iw_cqp_cq_destroy_cmd(struct i40iw_sc_dev *dev, struct i40iw_sc_cq *cq) +{ + struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; + + i40iw_cq_wq_destroy(iwdev, cq); +} + +/** + * i40iw_cqp_qp_destroy_cmd - destroy the cqp + * @dev: device pointer + * @qp: pointer to qp + */ +void i40iw_cqp_qp_destroy_cmd(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp) +{ + struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; + struct i40iw_cqp *iwcqp = &iwdev->cqp; + struct i40iw_cqp_request *cqp_request; + struct cqp_commands_info *cqp_info; + enum i40iw_status_code status; + + cqp_request = i40iw_get_cqp_request(iwcqp, true); + if (!cqp_request) + return; + + cqp_info = &cqp_request->info; + memset(cqp_info, 0, sizeof(*cqp_info)); + + cqp_info->cqp_cmd = OP_QP_DESTROY; + cqp_info->post_sq = 1; + cqp_info->in.u.qp_destroy.qp = qp; + cqp_info->in.u.qp_destroy.scratch = (uintptr_t)cqp_request; + cqp_info->in.u.qp_destroy.remove_hash_idx = true; + status = i40iw_handle_cqp_op(iwdev, cqp_request); + if (status) + i40iw_pr_err("CQP QP_DESTROY fail"); +} + + +/** * i40iw_ieq_mpa_crc_ae - generate AE for crc error * @dev: hardware control device structure * @qp: hardware control qp @@ -1208,7 +1375,7 @@ enum i40iw_status_code i40iw_puda_get_tcpip_info(struct i40iw_puda_completion_in buf->totallen = pkt_len + buf->maclen; - if (info->payload_len < buf->totallen - 4) { + if (info->payload_len < buf->totallen) { i40iw_pr_err("payload_len = 0x%x totallen expected0x%x\n", info->payload_len, buf->totallen); return I40IW_ERR_INVALID_SIZE; @@ -1224,27 +1391,29 @@ enum i40iw_status_code i40iw_puda_get_tcpip_info(struct i40iw_puda_completion_in /** * i40iw_hw_stats_timeout - Stats timer-handler which updates all HW stats - * @dev: hardware control device structure + * @vsi: pointer to the vsi structure */ -static void i40iw_hw_stats_timeout(unsigned long dev) +static void i40iw_hw_stats_timeout(unsigned long vsi) { - struct i40iw_sc_dev *pf_dev = (struct i40iw_sc_dev *)dev; - struct i40iw_dev_pestat *pf_devstat = &pf_dev->dev_pestat; - struct i40iw_dev_pestat *vf_devstat = NULL; + struct i40iw_sc_vsi *sc_vsi = (struct i40iw_sc_vsi *)vsi; + struct i40iw_sc_dev *pf_dev = sc_vsi->dev; + struct i40iw_vsi_pestat *pf_devstat = sc_vsi->pestat; + struct i40iw_vsi_pestat *vf_devstat = NULL; u16 iw_vf_idx; unsigned long flags; /*PF*/ - pf_devstat->ops.iw_hw_stat_read_all(pf_devstat, &pf_devstat->hw_stats); + i40iw_hw_stats_read_all(pf_devstat, &pf_devstat->hw_stats); + for (iw_vf_idx = 0; iw_vf_idx < I40IW_MAX_PE_ENABLED_VF_COUNT; iw_vf_idx++) { - spin_lock_irqsave(&pf_devstat->stats_lock, flags); + spin_lock_irqsave(&pf_devstat->lock, flags); if (pf_dev->vf_dev[iw_vf_idx]) { if (pf_dev->vf_dev[iw_vf_idx]->stats_initialized) { - vf_devstat = &pf_dev->vf_dev[iw_vf_idx]->dev_pestat; - vf_devstat->ops.iw_hw_stat_read_all(vf_devstat, &vf_devstat->hw_stats); + vf_devstat = &pf_dev->vf_dev[iw_vf_idx]->pestat; + i40iw_hw_stats_read_all(vf_devstat, &vf_devstat->hw_stats); } } - spin_unlock_irqrestore(&pf_devstat->stats_lock, flags); + spin_unlock_irqrestore(&pf_devstat->lock, flags); } mod_timer(&pf_devstat->stats_timer, @@ -1253,26 +1422,26 @@ static void i40iw_hw_stats_timeout(unsigned long dev) /** * i40iw_hw_stats_start_timer - Start periodic stats timer - * @dev: hardware control device structure + * @vsi: pointer to the vsi structure */ -void i40iw_hw_stats_start_timer(struct i40iw_sc_dev *dev) +void i40iw_hw_stats_start_timer(struct i40iw_sc_vsi *vsi) { - struct i40iw_dev_pestat *devstat = &dev->dev_pestat; + struct i40iw_vsi_pestat *devstat = vsi->pestat; init_timer(&devstat->stats_timer); devstat->stats_timer.function = i40iw_hw_stats_timeout; - devstat->stats_timer.data = (unsigned long)dev; + devstat->stats_timer.data = (unsigned long)vsi; mod_timer(&devstat->stats_timer, jiffies + msecs_to_jiffies(STATS_TIMER_DELAY)); } /** - * i40iw_hw_stats_del_timer - Delete periodic stats timer - * @dev: hardware control device structure + * i40iw_hw_stats_stop_timer - Delete periodic stats timer + * @vsi: pointer to the vsi structure */ -void i40iw_hw_stats_del_timer(struct i40iw_sc_dev *dev) +void i40iw_hw_stats_stop_timer(struct i40iw_sc_vsi *vsi) { - struct i40iw_dev_pestat *devstat = &dev->dev_pestat; + struct i40iw_vsi_pestat *devstat = vsi->pestat; del_timer_sync(&devstat->stats_timer); } |