From: Mathis Marion <mathis.marion@silabs.com>
Added conversions for:
- IFLA_MTU
- IFLA_TXQLEN
- IFLA_AF_SPEC AF_INET6 IFLA_INET6_ADDR_GEN_MODE
These relate to the libnl functions rtnl_link_set_mtu,
rtnl_link_set_txqlen, and rtnl_link_inet6_set_addr_gen_mode.
Signed-off-by: Mathis Marion <mathis.marion@silabs.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230220085822.626798-4-Mathis.Marion@silabs.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
linux-user/fd-trans.c | 62 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c
index 146aaaafaa13..4852a75d9dcc 100644
--- a/linux-user/fd-trans.c
+++ b/linux-user/fd-trans.c
@@ -1284,6 +1284,49 @@ static inline abi_long host_to_target_nlmsg_route(struct nlmsghdr *nlh,
return host_to_target_for_each_nlmsg(nlh, len, host_to_target_data_route);
}
+static abi_long target_to_host_for_each_nlattr(struct nlattr *nlattr,
+ size_t len,
+ abi_long (*target_to_host_nlattr)
+ (struct nlattr *))
+{
+ unsigned short aligned_nla_len;
+ abi_long ret;
+
+ while (len > sizeof(struct nlattr)) {
+ if (tswap16(nlattr->nla_len) < sizeof(struct rtattr) ||
+ tswap16(nlattr->nla_len) > len) {
+ break;
+ }
+ nlattr->nla_len = tswap16(nlattr->nla_len);
+ nlattr->nla_type = tswap16(nlattr->nla_type);
+ ret = target_to_host_nlattr(nlattr);
+ if (ret < 0) {
+ return ret;
+ }
+
+ aligned_nla_len = NLA_ALIGN(nlattr->nla_len);
+ if (aligned_nla_len >= len) {
+ break;
+ }
+ len -= aligned_nla_len;
+ nlattr = (struct nlattr *)(((char *)nlattr) + aligned_nla_len);
+ }
+ return 0;
+}
+
+static abi_long target_to_host_data_inet6_nlattr(struct nlattr *nlattr)
+{
+ switch (nlattr->nla_type) {
+ /* uint8_t */
+ case QEMU_IFLA_INET6_ADDR_GEN_MODE:
+ break;
+ default:
+ qemu_log_mask(LOG_UNIMP, "Unknown target AF_INET6 type: %d\n",
+ nlattr->nla_type);
+ }
+ return 0;
+}
+
static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr,
size_t len,
abi_long (*target_to_host_rtattr)
@@ -1314,16 +1357,35 @@ static abi_long target_to_host_for_each_rtattr(struct rtattr *rtattr,
return 0;
}
+static abi_long target_to_host_data_spec_nlattr(struct nlattr *nlattr)
+{
+ switch (nlattr->nla_type) {
+ case AF_INET6:
+ return target_to_host_for_each_nlattr(NLA_DATA(nlattr), nlattr->nla_len,
+ target_to_host_data_inet6_nlattr);
+ default:
+ qemu_log_mask(LOG_UNIMP, "Unknown target AF_SPEC type: %d\n",
+ nlattr->nla_type);
+ break;
+ }
+ return 0;
+}
+
static abi_long target_to_host_data_link_rtattr(struct rtattr *rtattr)
{
uint32_t *u32;
switch (rtattr->rta_type) {
/* uint32_t */
+ case QEMU_IFLA_MTU:
+ case QEMU_IFLA_TXQLEN:
case QEMU_IFLA_EXT_MASK:
u32 = RTA_DATA(rtattr);
*u32 = tswap32(*u32);
break;
+ case QEMU_IFLA_AF_SPEC:
+ return target_to_host_for_each_nlattr(RTA_DATA(rtattr), rtattr->rta_len,
+ target_to_host_data_spec_nlattr);
default:
qemu_log_mask(LOG_UNIMP, "Unknown target QEMU_IFLA type: %d\n",
rtattr->rta_type);
--
2.39.2