Wrong data retrieved in the last slot of the rx ring when the ring is filled for the first time. about netmap HOT 9 CLOSED

diff --git a/LINUX/i40e_netmap_linux.h b/LINUX/i40e_netmap_linux.h
index 55df4cd2..74a6e757 100644
--- a/LINUX/i40e_netmap_linux.h
+++ b/LINUX/i40e_netmap_linux.h
@@ -497,6 +497,7 @@ i40e_netmap_rxsync(struct netmap_kring *kring, int flags)
 	u_int nm_i;	/* index into the netmap ring */
 	u_int nic_i;	/* index into the NIC ring */
 	u_int ntail;	/* new tail for the user */
+	u_int stop_i;
 	u_int n;
 	u_int const lim = kring->nkr_num_slots - 1;
 	u_int const head = kring->rhead;
@@ -544,11 +545,13 @@ i40e_netmap_rxsync(struct netmap_kring *kring, int flags)
 
 		nic_i = rxr->next_to_clean; // or also k2n(kring->nr_hwtail)
 		nm_i = netmap_idx_n2k(kring, nic_i);
+		stop_i = nm_prev(kring->nr_hwcur, lim);
+		BUG_ON(nm_i != kring->nr_hwtail);
 		/* we advance tail only when we see a complete packet */
 		ntail = lim + 1;
 		complete = 0;
 
-		for (n = 0; ; n++) {
+		for (n = 0; nm_i != stop_i; n++) {
 			union i40e_rx_desc *curr = I40E_RX_DESC(rxr, nic_i);
 			uint64_t qword = le64toh(curr->wb.qword1.status_error_len);
 			uint32_t staterr = (qword & I40E_RXD_QW1_STATUS_MASK)

make distclean
./configure --drivers=i40e --select-version=i40e:2.22.8
make
sudo make install

diff --git a/LINUX/i40e_netmap_linux.h b/LINUX/i40e_netmap_linux.h
index 55df4cd25..9acdc106b 100644
--- a/LINUX/i40e_netmap_linux.h
+++ b/LINUX/i40e_netmap_linux.h
@@ -176,7 +176,7 @@ i40e_netmap_configure_rx_ring(struct i40e_ring *ring)
 	kring = na->rx_rings[ring_nr];
 	lim = na->num_rx_desc - 1 - nm_kr_rxspace(kring);
 
-	for (i = 0; i < lim; i++) {
+	for (i = 0; i <= lim; i++) {
 		int si = netmap_idx_n2k(kring, i);
 		uint64_t paddr;
 		union i40e_rx_desc *rx = I40E_RX_DESC(ring, i);

rmmod i40e
modprobe i40e