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eth: warn on tx ring overflow

This commit is contained in:
Astro 2020-06-22 02:09:09 +02:00
parent 1121c67a4e
commit 5c0953d869
1 changed files with 2 additions and 0 deletions
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2
libboard_zynq/src/eth/tx.rs
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@ -2,6 +2,7 @@ use core::ops::{Deref, DerefMut};
use alloc::{vec, vec::Vec}; use alloc::{vec, vec::Vec};
use libcortex_a9::{cache::dcc_slice, UncachedSlice}; use libcortex_a9::{cache::dcc_slice, UncachedSlice};
use libregister::*; use libregister::*;
use log::warn;
use super::{Buffer, regs}; use super::{Buffer, regs};
/// Descriptor entry /// Descriptor entry
@ -109,6 +110,7 @@ impl DescList {
Some(PktRef { entry, buffer, regs }) Some(PktRef { entry, buffer, regs })
} else { } else {
// Still in use by HW (sending too fast, ring exceeded) // Still in use by HW (sending too fast, ring exceeded)
warn!("tx ring overflow");
None None
} }
} }