From: till straumann <till.straum...@alumni.tu-berlin.de>
If we have no new buffer then we must recycle/reuse the old one
and *not* return it to the user for consumption.
Update #4344
---
bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c
b/bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c
index fb72ee132e..9e21614367 100644
--- a/bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c
+++ b/bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c
@@ -659,7 +659,7 @@ struct mveth_private {
unsigned maxchain;
unsigned repack;
unsigned packet;
- unsigned odrops;
/* no counter in core code */
+ unsigned idrops;
/* no counter in core code */
struct {
uint64_t good_octs_rcvd; /* 64-bit */
uint32_t bad_octs_rcvd;
@@ -1976,7 +1976,7 @@ uintptr_t baddr;
if ( err || !(newbuf = mp->alloc_rxbuf(&sz, &baddr)) ) {
/* drop packet and recycle buffer */
newbuf = d->u_buf;
- mp->consume_rxbuf(0, mp->consume_rxbuf_arg, err ? -1 :
0);
+ mp->stats.idrops++;
} else {
#ifdef MVETH_TESTING
assert( d->byte_cnt > 0 );
@@ -2312,6 +2312,7 @@ uint32_t v;
fprintf(f, " Max. mbuf chain length: %i\n", mp->stats.maxchain);
fprintf(f, " # repacketed: %i\n", mp->stats.repack);
fprintf(f, " # packets: %i\n", mp->stats.packet);
+ fprintf(f, " # buffer alloc failed: %i\n", mp->stats.idrops);
fprintf(f, "MIB Counters:\n");
for ( idx = MV643XX_ETH_MIB_GOOD_OCTS_RCVD_LO>>2;
idx < MV643XX_ETH_NUM_MIB_COUNTERS;
--
2.26.2
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