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-rw-r--r--hw/net/cadence_gem.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index 2afafdfb2b..1619507e55 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -687,6 +687,14 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size)
GEM_DMACFG_RBUFSZ_S) * GEM_DMACFG_RBUFSZ_MUL;
bytes_to_copy = size;
+ /* Pad to minimum length. Assume FCS field is stripped, logic
+ * below will increment it to the real minimum of 64 when
+ * not FCS stripping
+ */
+ if (size < 60) {
+ size = 60;
+ }
+
/* Strip of FCS field ? (usually yes) */
if (s->regs[GEM_NWCFG] & GEM_NWCFG_STRIP_FCS) {
rxbuf_ptr = (void *)buf;
@@ -713,11 +721,6 @@ static ssize_t gem_receive(NetClientState *nc, const uint8_t *buf, size_t size)
size += 4;
}
- /* Pad to minimum length */
- if (size < 64) {
- size = 64;
- }
-
DB_PRINT("config bufsize: %d packet size: %ld\n", rxbufsize, size);
while (bytes_to_copy) {