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-rw-r--r--hw/net/mcf_fec.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/hw/net/mcf_fec.c b/hw/net/mcf_fec.c
index a3eca7e0f5..bfa6b4bcce 100644
--- a/hw/net/mcf_fec.c
+++ b/hw/net/mcf_fec.c
@@ -27,6 +27,7 @@ do { printf("mcf_fec: " fmt , ## __VA_ARGS__); } while (0)
#define FEC_MAX_DESC 1024
#define FEC_MAX_FRAME_SIZE 2032
+#define FEC_MIB_SIZE 64
typedef struct {
SysBusDevice parent_obj;
@@ -51,6 +52,7 @@ typedef struct {
uint32_t erdsr;
uint32_t etdsr;
uint32_t emrbr;
+ uint32_t mib[FEC_MIB_SIZE];
} mcf_fec_state;
#define FEC_INT_HB 0x80000000
@@ -111,6 +113,63 @@ typedef struct {
#define FEC_BD_OV 0x0002
#define FEC_BD_TR 0x0001
+#define MIB_RMON_T_DROP 0
+#define MIB_RMON_T_PACKETS 1
+#define MIB_RMON_T_BC_PKT 2
+#define MIB_RMON_T_MC_PKT 3
+#define MIB_RMON_T_CRC_ALIGN 4
+#define MIB_RMON_T_UNDERSIZE 5
+#define MIB_RMON_T_OVERSIZE 6
+#define MIB_RMON_T_FRAG 7
+#define MIB_RMON_T_JAB 8
+#define MIB_RMON_T_COL 9
+#define MIB_RMON_T_P64 10
+#define MIB_RMON_T_P65TO127 11
+#define MIB_RMON_T_P128TO255 12
+#define MIB_RMON_T_P256TO511 13
+#define MIB_RMON_T_P512TO1023 14
+#define MIB_RMON_T_P1024TO2047 15
+#define MIB_RMON_T_P_GTE2048 16
+#define MIB_RMON_T_OCTETS 17
+#define MIB_IEEE_T_DROP 18
+#define MIB_IEEE_T_FRAME_OK 19
+#define MIB_IEEE_T_1COL 20
+#define MIB_IEEE_T_MCOL 21
+#define MIB_IEEE_T_DEF 22
+#define MIB_IEEE_T_LCOL 23
+#define MIB_IEEE_T_EXCOL 24
+#define MIB_IEEE_T_MACERR 25
+#define MIB_IEEE_T_CSERR 26
+#define MIB_IEEE_T_SQE 27
+#define MIB_IEEE_T_FDXFC 28
+#define MIB_IEEE_T_OCTETS_OK 29
+
+#define MIB_RMON_R_DROP 32
+#define MIB_RMON_R_PACKETS 33
+#define MIB_RMON_R_BC_PKT 34
+#define MIB_RMON_R_MC_PKT 35
+#define MIB_RMON_R_CRC_ALIGN 36
+#define MIB_RMON_R_UNDERSIZE 37
+#define MIB_RMON_R_OVERSIZE 38
+#define MIB_RMON_R_FRAG 39
+#define MIB_RMON_R_JAB 40
+#define MIB_RMON_R_RESVD_0 41
+#define MIB_RMON_R_P64 42
+#define MIB_RMON_R_P65TO127 43
+#define MIB_RMON_R_P128TO255 44
+#define MIB_RMON_R_P256TO511 45
+#define MIB_RMON_R_P512TO1023 46
+#define MIB_RMON_R_P1024TO2047 47
+#define MIB_RMON_R_P_GTE2048 48
+#define MIB_RMON_R_OCTETS 49
+#define MIB_IEEE_R_DROP 50
+#define MIB_IEEE_R_FRAME_OK 51
+#define MIB_IEEE_R_CRC 52
+#define MIB_IEEE_R_ALIGN 53
+#define MIB_IEEE_R_MACERR 54
+#define MIB_IEEE_R_FDXFC 55
+#define MIB_IEEE_R_OCTETS_OK 56
+
static void mcf_fec_read_bd(mcf_fec_bd *bd, uint32_t addr)
{
cpu_physical_memory_read(addr, bd, sizeof(*bd));
@@ -147,6 +206,31 @@ static void mcf_fec_update(mcf_fec_state *s)
s->irq_state = active;
}
+static void mcf_fec_tx_stats(mcf_fec_state *s, int size)
+{
+ s->mib[MIB_RMON_T_PACKETS]++;
+ s->mib[MIB_RMON_T_OCTETS] += size;
+ if (size < 64) {
+ s->mib[MIB_RMON_T_FRAG]++;
+ } else if (size == 64) {
+ s->mib[MIB_RMON_T_P64]++;
+ } else if (size < 128) {
+ s->mib[MIB_RMON_T_P65TO127]++;
+ } else if (size < 256) {
+ s->mib[MIB_RMON_T_P128TO255]++;
+ } else if (size < 512) {
+ s->mib[MIB_RMON_T_P256TO511]++;
+ } else if (size < 1024) {
+ s->mib[MIB_RMON_T_P512TO1023]++;
+ } else if (size < 2048) {
+ s->mib[MIB_RMON_T_P1024TO2047]++;
+ } else {
+ s->mib[MIB_RMON_T_P_GTE2048]++;
+ }
+ s->mib[MIB_IEEE_T_FRAME_OK]++;
+ s->mib[MIB_IEEE_T_OCTETS_OK] += size;
+}
+
static void mcf_fec_do_tx(mcf_fec_state *s)
{
uint32_t addr;
@@ -180,6 +264,7 @@ static void mcf_fec_do_tx(mcf_fec_state *s)
/* Last buffer in frame. */
DPRINTF("Sending packet\n");
qemu_send_packet(qemu_get_queue(s->nic), frame, frame_size);
+ mcf_fec_tx_stats(s, frame_size);
ptr = frame;
frame_size = 0;
s->eir |= FEC_INT_TXF;
@@ -302,6 +387,7 @@ static uint64_t mcf_fec_read(void *opaque, hwaddr addr,
case 0x180: return s->erdsr;
case 0x184: return s->etdsr;
case 0x188: return s->emrbr;
+ case 0x200 ... 0x2e0: return s->mib[(addr & 0x1ff) / 4];
default:
hw_error("mcf_fec_read: Bad address 0x%x\n", (int)addr);
return 0;
@@ -399,12 +485,40 @@ static void mcf_fec_write(void *opaque, hwaddr addr,
case 0x188:
s->emrbr = value > 0 ? value & 0x7F0 : 0x7F0;
break;
+ case 0x200 ... 0x2e0:
+ s->mib[(addr & 0x1ff) / 4] = value;
+ break;
default:
hw_error("mcf_fec_write Bad address 0x%x\n", (int)addr);
}
mcf_fec_update(s);
}
+static void mcf_fec_rx_stats(mcf_fec_state *s, int size)
+{
+ s->mib[MIB_RMON_R_PACKETS]++;
+ s->mib[MIB_RMON_R_OCTETS] += size;
+ if (size < 64) {
+ s->mib[MIB_RMON_R_FRAG]++;
+ } else if (size == 64) {
+ s->mib[MIB_RMON_R_P64]++;
+ } else if (size < 128) {
+ s->mib[MIB_RMON_R_P65TO127]++;
+ } else if (size < 256) {
+ s->mib[MIB_RMON_R_P128TO255]++;
+ } else if (size < 512) {
+ s->mib[MIB_RMON_R_P256TO511]++;
+ } else if (size < 1024) {
+ s->mib[MIB_RMON_R_P512TO1023]++;
+ } else if (size < 2048) {
+ s->mib[MIB_RMON_R_P1024TO2047]++;
+ } else {
+ s->mib[MIB_RMON_R_P_GTE2048]++;
+ }
+ s->mib[MIB_IEEE_R_FRAME_OK]++;
+ s->mib[MIB_IEEE_R_OCTETS_OK] += size;
+}
+
static int mcf_fec_have_receive_space(mcf_fec_state *s, size_t want)
{
mcf_fec_bd bd;
@@ -500,6 +614,7 @@ static ssize_t mcf_fec_receive(NetClientState *nc, const uint8_t *buf, size_t si
}
}
s->rx_descriptor = addr;
+ mcf_fec_rx_stats(s, retsize);
mcf_fec_enable_rx(s);
mcf_fec_update(s);
return retsize;