common/cnxk: send link status event to VF

[dpdk.git] / drivers / common / cnxk / roc_dev.c

diff --git a/drivers/common/cnxk/roc_dev.c b/drivers/common/cnxk/roc_dev.c
index c14f189..4e20437 100644 (file)
--- a/drivers/common/cnxk/roc_dev.c
+++ b/drivers/common/cnxk/roc_dev.c
@@ -163,6 +163,39 @@ af_pf_wait_msg(struct dev *dev, uint16_t vf, int num_msg)
                rsp->rc = msg->rc;
                rsp->pcifunc = msg->pcifunc;
 
+               /* Whenever a PF comes up, AF sends the link status to it but
+                * when VF comes up no such event is sent to respective VF.
+                * Using MBOX_MSG_NIX_LF_START_RX response from AF for the
+                * purpose and send the link status of PF to VF.
+                */
+               if (msg->id == MBOX_MSG_NIX_LF_START_RX) {
+                       /* Send link status to VF */
+                       struct cgx_link_user_info linfo;
+                       struct mbox_msghdr *vf_msg;
+                       size_t sz;
+
+                       /* Get the link status */
+                       memset(&linfo, 0, sizeof(struct cgx_link_user_info));
+                       if (dev->ops && dev->ops->link_status_get)
+                               dev->ops->link_status_get(dev->roc_nix, &linfo);
+
+                       sz = PLT_ALIGN(mbox_id2size(MBOX_MSG_CGX_LINK_EVENT),
+                                      MBOX_MSG_ALIGN);
+                       /* Prepare the message to be sent */
+                       vf_msg = mbox_alloc_msg(&dev->mbox_vfpf_up, vf, sz);
+                       if (vf_msg) {
+                               mbox_req_init(MBOX_MSG_CGX_LINK_EVENT, vf_msg);
+                               memcpy((uint8_t *)vf_msg +
+                                      sizeof(struct mbox_msghdr), &linfo,
+                                      sizeof(struct cgx_link_user_info));
+
+                               vf_msg->rc = msg->rc;
+                               vf_msg->pcifunc = msg->pcifunc;
+                               /* Send to VF */
+                               mbox_msg_send(&dev->mbox_vfpf_up, vf);
+                       }
+               }
+
                offset = mbox->rx_start + msg->next_msgoff;
        }
        plt_spinlock_unlock(&mdev->mbox_lock);