zhhyu7 commented on code in PR #21517:
URL: https://github.com/apache/nuttx/pull/21517#discussion_r4505033066
##########
net/pkt/pkt_recvmsg.c:
##########
@@ -411,6 +439,19 @@ static inline int pkt_readdata(FAR struct pkt_recvfrom_s
*pstate,
tsfunc(pstate, iob);
+ /* Fill in the sender's address information if requested */
+
+ if (dev != NULL && pstate->pr_msg->msg_name != NULL)
+ {
+ pkt_recvfrom_sender(dev->d_ifindex, iob, pstate);
+ }
+
+ /* Remove the I/O buffer chain from the head of the read-ahead
+ * buffer queue.
+ */
+
+ iob_remove_queue(&conn->readahead);
Review Comment:
Done.
##########
net/pkt/pkt_recvmsg.c:
##########
@@ -154,9 +156,33 @@ static void pkt_recvfrom_newdata(FAR struct net_driver_s
*dev,
*
****************************************************************************/
-static inline void pkt_recvfrom_sender(FAR struct net_driver_s *dev,
+static inline void pkt_recvfrom_sender(int ifindex, FAR struct iob_s *iob,
FAR struct pkt_recvfrom_s *pstate)
{
+ FAR struct sockaddr_ll *from;
+
+ if (pstate->pr_msg->msg_name != NULL)
+ {
+ from = (FAR struct sockaddr_ll *)pstate->pr_msg->msg_name;
+ from->sll_family = AF_PACKET;
+ from->sll_ifindex = ifindex;
+ from->sll_protocol = pstate->pr_type;
+
+ from->sll_halen = ETH_ALEN;
+
+ if (iob != NULL && iob->io_pktlen >= sizeof(struct eth_hdr_s))
+ {
+ FAR struct eth_hdr_s *ethhdr =
+ (FAR struct eth_hdr_s *)iob->io_data;
Review Comment:
Done.
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