Merge remote-tracking branch 'stefanha/net' into staging

# By Dmitry Fleytman (5) and others
# Via Stefan Hajnoczi
* stefanha/net:
  net: increase buffer size to accommodate Jumbo frame pkts
  VMXNET3 device implementation
  Packet abstraction for VMWARE network devices
  Common definitions for VMWARE devices
  net: iovec checksum calculator
  Checksum-related utility functions
  net: use socket_set_nodelay() for -netdev socket

default-configs/pci.mak

@@ -13,6 +13,7 @@ CONFIG_LSI_SCSI_PCI=y
 CONFIG_MEGASAS_SCSI_PCI=y
 CONFIG_RTL8139_PCI=y
 CONFIG_E1000_PCI=y
+CONFIG_VMXNET3_PCI=y
 CONFIG_IDE_CORE=y
 CONFIG_IDE_QDEV=y
 CONFIG_IDE_PCI=y

hw/Makefile.objs

@@ -119,6 +119,8 @@ common-obj-$(CONFIG_PCNET_PCI) += pcnet-pci.o
 common-obj-$(CONFIG_PCNET_COMMON) += pcnet.o
 common-obj-$(CONFIG_E1000_PCI) += e1000.o
 common-obj-$(CONFIG_RTL8139_PCI) += rtl8139.o
+common-obj-$(CONFIG_VMXNET3_PCI) += vmxnet_tx_pkt.o vmxnet_rx_pkt.o
+common-obj-$(CONFIG_VMXNET3_PCI) += vmxnet3.o
 
 common-obj-$(CONFIG_SMC91C111) += smc91c111.o
 common-obj-$(CONFIG_LAN9118) += lan9118.o

hw/pci/pci.h

@@ -60,6 +60,7 @@
 #define PCI_DEVICE_ID_VMWARE_NET         0x0720
 #define PCI_DEVICE_ID_VMWARE_SCSI        0x0730
 #define PCI_DEVICE_ID_VMWARE_IDE         0x1729
+#define PCI_DEVICE_ID_VMWARE_VMXNET3     0x07B0
 
 /* Intel (0x8086) */
 #define PCI_DEVICE_ID_INTEL_82551IT      0x1209

hw/vmware_utils.h

@@ -0,0 +1,143 @@
+/*
+ * QEMU VMWARE paravirtual devices - auxiliary code
+ *
+ * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
+ *
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ * Dmitry Fleytman <dmitry@daynix.com>
+ * Yan Vugenfirer <yan@daynix.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef VMWARE_UTILS_H
+#define VMWARE_UTILS_H
+
+#include "qemu/range.h"
+
+#ifndef VMW_SHPRN
+#define VMW_SHPRN(fmt, ...) do {} while (0)
+#endif
+
+/*
+ * Shared memory access functions with byte swap support
+ * Each function contains printout for reverse-engineering needs
+ *
+ */
+static inline void
+vmw_shmem_read(hwaddr addr, void *buf, int len)
+{
+    VMW_SHPRN("SHMEM r: %" PRIx64 ", len: %d to %p", addr, len, buf);
+    cpu_physical_memory_read(addr, buf, len);
+}
+
+static inline void
+vmw_shmem_write(hwaddr addr, void *buf, int len)
+{
+    VMW_SHPRN("SHMEM w: %" PRIx64 ", len: %d to %p", addr, len, buf);
+    cpu_physical_memory_write(addr, buf, len);
+}
+
+static inline void
+vmw_shmem_rw(hwaddr addr, void *buf, int len, int is_write)
+{
+    VMW_SHPRN("SHMEM r/w: %" PRIx64 ", len: %d (to %p), is write: %d",
+              addr, len, buf, is_write);
+
+    cpu_physical_memory_rw(addr, buf, len, is_write);
+}
+
+static inline void
+vmw_shmem_set(hwaddr addr, uint8 val, int len)
+{
+    int i;
+    VMW_SHPRN("SHMEM set: %" PRIx64 ", len: %d (value 0x%X)", addr, len, val);
+
+    for (i = 0; i < len; i++) {
+        cpu_physical_memory_write(addr + i, &val, 1);
+    }
+}
+
+static inline uint32_t
+vmw_shmem_ld8(hwaddr addr)
+{
+    uint8_t res = ldub_phys(addr);
+    VMW_SHPRN("SHMEM load8: %" PRIx64 " (value 0x%X)", addr, res);
+    return res;
+}
+
+static inline void
+vmw_shmem_st8(hwaddr addr, uint8_t value)
+{
+    VMW_SHPRN("SHMEM store8: %" PRIx64 " (value 0x%X)", addr, value);
+    stb_phys(addr, value);
+}
+
+static inline uint32_t
+vmw_shmem_ld16(hwaddr addr)
+{
+    uint16_t res = lduw_le_phys(addr);
+    VMW_SHPRN("SHMEM load16: %" PRIx64 " (value 0x%X)", addr, res);
+    return res;
+}
+
+static inline void
+vmw_shmem_st16(hwaddr addr, uint16_t value)
+{
+    VMW_SHPRN("SHMEM store16: %" PRIx64 " (value 0x%X)", addr, value);
+    stw_le_phys(addr, value);
+}
+
+static inline uint32_t
+vmw_shmem_ld32(hwaddr addr)
+{
+    uint32_t res = ldl_le_phys(addr);
+    VMW_SHPRN("SHMEM load32: %" PRIx64 " (value 0x%X)", addr, res);
+    return res;
+}
+
+static inline void
+vmw_shmem_st32(hwaddr addr, uint32_t value)
+{
+    VMW_SHPRN("SHMEM store32: %" PRIx64 " (value 0x%X)", addr, value);
+    stl_le_phys(addr, value);
+}
+
+static inline uint64_t
+vmw_shmem_ld64(hwaddr addr)
+{
+    uint64_t res = ldq_le_phys(addr);
+    VMW_SHPRN("SHMEM load64: %" PRIx64 " (value %" PRIx64 ")", addr, res);
+    return res;
+}
+
+static inline void
+vmw_shmem_st64(hwaddr addr, uint64_t value)
+{
+    VMW_SHPRN("SHMEM store64: %" PRIx64 " (value %" PRIx64 ")", addr, value);
+    stq_le_phys(addr, value);
+}
+
+/* Macros for simplification of operations on array-style registers */
+
+/*
+ * Whether <addr> lies inside of array-style register defined by <base>,
+ * number of elements (<cnt>) and element size (<regsize>)
+ *
+*/
+#define VMW_IS_MULTIREG_ADDR(addr, base, cnt, regsize)                 \
+    range_covers_byte(base, cnt * regsize, addr)
+
+/*
+ * Returns index of given register (<addr>) in array-style register defined by
+ * <base> and element size (<regsize>)
+ *
+*/
+#define VMW_MULTIREG_IDX_BY_ADDR(addr, base, regsize)                  \
+    (((addr) - (base)) / (regsize))
+
+#endif