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authorPeter Maydell2017-02-16 13:36:24 +0100
committerPeter Maydell2017-02-16 13:36:24 +0100
commitca5266de6cde132b647b44a108f6c0c009785fdd (patch)
treea3dfadd929794d9ea5bd6bd80cfa76ee6a8a4602 /hw/net/imx_fec.c
parentMerge remote-tracking branch 'remotes/rth/tags/pull-or-20170214' into staging (diff)
parentnet: e1000e: fix an infinite loop issue (diff)
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Wed 15 Feb 2017 03:46:59 GMT # gpg: using RSA key 0xEF04965B398D6211 # gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211 * remotes/jasowang/tags/net-pull-request: net: e1000e: fix an infinite loop issue net: imx: limit buffer descriptor count colo-compare: sort TCP packet queue by sequence number net: e1000e: fix dead code in e1000e_write_packet_to_guest net: Mark 'vlan' parameter as deprecated Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/net/imx_fec.c')
-rw-r--r--hw/net/imx_fec.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c
index 50c75642c6..90e6ee35ba 100644
--- a/hw/net/imx_fec.c
+++ b/hw/net/imx_fec.c
@@ -55,6 +55,8 @@
} \
} while (0)
+#define IMX_MAX_DESC 1024
+
static const char *imx_default_reg_name(IMXFECState *s, uint32_t index)
{
static char tmp[20];
@@ -402,12 +404,12 @@ static void imx_eth_update(IMXFECState *s)
static void imx_fec_do_tx(IMXFECState *s)
{
- int frame_size = 0;
+ int frame_size = 0, descnt = 0;
uint8_t frame[ENET_MAX_FRAME_SIZE];
uint8_t *ptr = frame;
uint32_t addr = s->tx_descriptor;
- while (1) {
+ while (descnt++ < IMX_MAX_DESC) {
IMXFECBufDesc bd;
int len;
@@ -453,12 +455,12 @@ static void imx_fec_do_tx(IMXFECState *s)
static void imx_enet_do_tx(IMXFECState *s)
{
- int frame_size = 0;
+ int frame_size = 0, descnt = 0;
uint8_t frame[ENET_MAX_FRAME_SIZE];
uint8_t *ptr = frame;
uint32_t addr = s->tx_descriptor;
- while (1) {
+ while (descnt++ < IMX_MAX_DESC) {
IMXENETBufDesc bd;
int len;