Thread (2 messages) 2 messages, 2 authors, 2021-09-28

Re: [dpdk-dev] [PATCH] common/octeontx2: fix link event message size

From: Jerin Jacob <hidden>
Date: 2021-09-28 12:25:41

On Fri, Jul 30, 2021 at 9:38 PM Harman Kalra [off-list ref] wrote:
Due to wrong size of mbox message allocated for sending link status
to the VF, incorrect link status is observed.

Fixes: cb8d769fb6fe ("common/octeontx2: send link event to VF")
Cc: stable@dpdk.org
Signed-off-by: Harman Kalra <redacted>

Acked-by: Jerin Jacob <redacted>
Applied to dpdk-next-net-mrvl/for-next-net. Thanks
quoted hunk ↗ jump to hunk
---
 drivers/common/octeontx2/otx2_dev.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/common/octeontx2/otx2_dev.c b/drivers/common/octeontx2/otx2_dev.c
index 1485e2b357..ce4f0e7ca9 100644
--- a/drivers/common/octeontx2/otx2_dev.c
+++ b/drivers/common/octeontx2/otx2_dev.c
@@ -172,14 +172,17 @@ af_pf_wait_msg(struct otx2_dev *dev, uint16_t vf, int num_msg)
                        /* Send link status to VF */
                        struct cgx_link_user_info linfo;
                        struct mbox_msghdr *vf_msg;
+                       size_t sz;

                        /* Get the link status */
                        if (dev->ops && dev->ops->link_status_get)
                                dev->ops->link_status_get(dev, &linfo);

+                       sz = RTE_ALIGN(otx2_mbox_id2size(
+                               MBOX_MSG_CGX_LINK_EVENT), MBOX_MSG_ALIGN);
                        /* Prepare the message to be sent */
                        vf_msg = otx2_mbox_alloc_msg(&dev->mbox_vfpf_up, vf,
-                                                    size);
+                                                    sz);
                        otx2_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));
--
2.18.0
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