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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Tue 14 Mar 2017 07:55:01 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:
  hw/net: implement MIB counters in mcf_fec driver
  COLO-compare: Fix trace_event print bug
  e1000e: correctly tear down MSI-X memory regions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/net/e1000e.c

@@ -306,7 +306,7 @@ e1000e_init_msix(E1000EState *s)
 static void
 e1000e_cleanup_msix(E1000EState *s)
 {
-    if (msix_enabled(PCI_DEVICE(s))) {
+    if (msix_present(PCI_DEVICE(s))) {
         e1000e_unuse_msix_vectors(s, E1000E_MSIX_VEC_NUM);
         msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
     }

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;

net/colo-compare.c

@@ -182,10 +182,18 @@ static int packet_enqueue(CompareState *s, int mode)
  */
 static int colo_packet_compare_common(Packet *ppkt, Packet *spkt, int offset)
 {
-    trace_colo_compare_ip_info(ppkt->size, inet_ntoa(ppkt->ip->ip_src),
+    if (trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) {
-                               inet_ntoa(ppkt->ip->ip_dst), spkt->size,
+        char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20];
-                               inet_ntoa(spkt->ip->ip_src),
+
-                               inet_ntoa(spkt->ip->ip_dst));
+        strcpy(pri_ip_src, inet_ntoa(ppkt->ip->ip_src));
+        strcpy(pri_ip_dst, inet_ntoa(ppkt->ip->ip_dst));
+        strcpy(sec_ip_src, inet_ntoa(spkt->ip->ip_src));
+        strcpy(sec_ip_dst, inet_ntoa(spkt->ip->ip_dst));
+
+        trace_colo_compare_ip_info(ppkt->size, pri_ip_src,
+                                   pri_ip_dst, spkt->size,
+                                   sec_ip_src, sec_ip_dst);
+    }
 
     if (ppkt->size == spkt->size) {
         return memcmp(ppkt->data + offset, spkt->data + offset,
@@ -336,10 +344,19 @@ static int colo_packet_compare_icmp(Packet *spkt, Packet *ppkt)
 static int colo_packet_compare_other(Packet *spkt, Packet *ppkt)
 {
     trace_colo_compare_main("compare other");
-    trace_colo_compare_ip_info(ppkt->size, inet_ntoa(ppkt->ip->ip_src),
+    if (trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) {
-                               inet_ntoa(ppkt->ip->ip_dst), spkt->size,
+        char pri_ip_src[20], pri_ip_dst[20], sec_ip_src[20], sec_ip_dst[20];
-                               inet_ntoa(spkt->ip->ip_src),
+
-                               inet_ntoa(spkt->ip->ip_dst));
+        strcpy(pri_ip_src, inet_ntoa(ppkt->ip->ip_src));
+        strcpy(pri_ip_dst, inet_ntoa(ppkt->ip->ip_dst));
+        strcpy(sec_ip_src, inet_ntoa(spkt->ip->ip_src));
+        strcpy(sec_ip_dst, inet_ntoa(spkt->ip->ip_dst));
+
+        trace_colo_compare_ip_info(ppkt->size, pri_ip_src,
+                                   pri_ip_dst, spkt->size,
+                                   sec_ip_src, sec_ip_dst);
+    }
+
     return colo_packet_compare_common(ppkt, spkt, 0);
 }