zynq::eth::tx: clear entry.word1 for each packet

3 years ago · 74c43b3477
parent 99a00e019b
commit 74c43b3477
1 changed files with 6 additions and 1 deletions
--- a/src/zynq/eth/tx.rs
+++ b/src/zynq/eth/tx.rs
@ -93,7 +93,12 @@ impl<'a> DescList<'a> {
        let entry = &mut self.list[self.next];
        if entry.word1.read().used() {
            let buffer = &mut self.buffers[self.next][0..length];
-            entry.word1.modify(|_, w| w.length(length as u16));
+            entry.word1.write(DescWord1::zeroed()
+                .length(length as u16)
+                .last_buffer(true)
+                .wrap(self.next >= list_len - 1)
+                .used(true)
+            );

            self.next += 1;
            if self.next >= list_len {