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[PULL 03/28] linux-user: add target to host netlink conversions
From: |
Laurent Vivier |
Subject: |
[PULL 03/28] linux-user: add target to host netlink conversions |
Date: |
Fri, 10 Mar 2023 23:09:02 +0100 |
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
- [PULL 19/28] linux-user/sparc: Handle software breakpoint trap, (continued)
- [PULL 19/28] linux-user/sparc: Handle software breakpoint trap, Laurent Vivier, 2023/03/08
- [PULL 16/28] linux-user/sparc: Use TT_TRAP for flush windows, Laurent Vivier, 2023/03/08
- [PULL 20/28] linux-user/sparc: Handle division by zero traps, Laurent Vivier, 2023/03/08
- Re: [PULL 00/28] Linux user for 8.0 patches, Peter Maydell, 2023/03/10
- [PULL 00/28] Linux user for 8.0 patches, Laurent Vivier, 2023/03/10
- [PULL 01/28] linux-user: Fix access to /proc/self/exe, Laurent Vivier, 2023/03/10
- [PULL 08/28] linux-user: Provide print_raw_param64() for 64-bit values, Laurent Vivier, 2023/03/10
- [PULL 07/28] linux-user: Fix brk() to release pages, Laurent Vivier, 2023/03/10
- [PULL 05/28] linux-user: add support for xtensa FDPIC, Laurent Vivier, 2023/03/10
- [PULL 12/28] linux-user: Add translation for argument of msync(), Laurent Vivier, 2023/03/10
- [PULL 03/28] linux-user: add target to host netlink conversions,
Laurent Vivier <=
- [PULL 04/28] linux-user: Fix unaligned memory access in prlimit64 syscall, Laurent Vivier, 2023/03/10
- [PULL 14/28] linux-user/sparc: Tidy syscall trap, Laurent Vivier, 2023/03/10
- [PULL 13/28] linux-user: Emulate CLONE_PIDFD flag in clone(), Laurent Vivier, 2023/03/10
- [PULL 20/28] linux-user/sparc: Handle division by zero traps, Laurent Vivier, 2023/03/10
- [PULL 06/28] linux-user: fill out task state in /proc/self/stat, Laurent Vivier, 2023/03/10
- [PULL 02/28] linux-user: fix timerfd read endianness conversion, Laurent Vivier, 2023/03/10
- [PULL 15/28] linux-user/sparc: Tidy syscall error return, Laurent Vivier, 2023/03/10
- [PULL 17/28] linux-user/sparc: Tidy window spill/fill traps, Laurent Vivier, 2023/03/10
- [PULL 18/28] linux-user/sparc: Fix sparc64_{get, set}_context traps, Laurent Vivier, 2023/03/10
- [PULL 22/28] linux-user/sparc: Handle priviledged opcode trap, Laurent Vivier, 2023/03/10