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[PULL 11/28] linux-user: handle netlink flag NLA_F_NESTED
From: |
Laurent Vivier |
Subject: |
[PULL 11/28] linux-user: handle netlink flag NLA_F_NESTED |
Date: |
Wed, 8 Mar 2023 14:28:40 +0100 |
From: Mathis Marion <mathis.marion@silabs.com>
Newer kernel versions require this flag to be present contrary to older
ones. Depending on the libnl version it is added or not.
Typically when using rtnl_link_inet6_set_addr_gen_mode, the netlink
packet generated may contain the following attribute:
with libnl 3.4
{nla_len=16, nla_type=IFLA_AF_SPEC},
[
{nla_len=12, nla_type=AF_INET6},
[{nla_len=5, nla_type=IFLA_INET6_ADDR_GEN_MODE}, IN6_ADDR_GEN_MODE_NONE]
]
with libnl 3.7
{nla_len=16, nla_type=NLA_F_NESTED|IFLA_AF_SPEC},
[
{nla_len=12, nla_type=NLA_F_NESTED|AF_INET6},
[{nla_len=5, nla_type=IFLA_INET6_ADDR_GEN_MODE}, IN6_ADDR_GEN_MODE_NONE]]
]
Masking the type is likely needed in other places. Only the above cases
are implemented in this patch.
Signed-off-by: Mathis Marion <mathis.marion@silabs.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230307154256.101528-3-Mathis.Marion@silabs.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
linux-user/fd-trans.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c
index 4852a75d9dcc..c04a97c73a31 100644
--- a/linux-user/fd-trans.c
+++ b/linux-user/fd-trans.c
@@ -1359,7 +1359,7 @@ static abi_long target_to_host_for_each_rtattr(struct
rtattr *rtattr,
static abi_long target_to_host_data_spec_nlattr(struct nlattr *nlattr)
{
- switch (nlattr->nla_type) {
+ switch (nlattr->nla_type & NLA_TYPE_MASK) {
case AF_INET6:
return target_to_host_for_each_nlattr(NLA_DATA(nlattr),
nlattr->nla_len,
target_to_host_data_inet6_nlattr);
@@ -1375,7 +1375,7 @@ static abi_long target_to_host_data_link_rtattr(struct
rtattr *rtattr)
{
uint32_t *u32;
- switch (rtattr->rta_type) {
+ switch (rtattr->rta_type & NLA_TYPE_MASK) {
/* uint32_t */
case QEMU_IFLA_MTU:
case QEMU_IFLA_TXQLEN:
--
2.39.2
- [PULL 06/28] linux-user: fill out task state in /proc/self/stat, (continued)
- [PULL 06/28] linux-user: fill out task state in /proc/self/stat, Laurent Vivier, 2023/03/08
- [PULL 03/28] linux-user: add target to host netlink conversions, Laurent Vivier, 2023/03/08
- [PULL 02/28] linux-user: fix timerfd read endianness conversion, Laurent Vivier, 2023/03/08
- [PULL 04/28] linux-user: Fix unaligned memory access in prlimit64 syscall, Laurent Vivier, 2023/03/08
- [PULL 13/28] linux-user: Emulate CLONE_PIDFD flag in clone(), Laurent Vivier, 2023/03/08
- [PULL 14/28] linux-user/sparc: Tidy syscall trap, Laurent Vivier, 2023/03/08
- [PULL 17/28] linux-user/sparc: Tidy window spill/fill traps, Laurent Vivier, 2023/03/08
- [PULL 18/28] linux-user/sparc: Fix sparc64_{get, set}_context traps, Laurent Vivier, 2023/03/08
- [PULL 23/28] linux-user/sparc: Handle privilidged action trap, Laurent Vivier, 2023/03/08
- [PULL 15/28] linux-user/sparc: Tidy syscall error return, Laurent Vivier, 2023/03/08
- [PULL 11/28] linux-user: handle netlink flag NLA_F_NESTED,
Laurent Vivier <=
- [PULL 10/28] linux-user: fix sockaddr_in6 endianness, Laurent Vivier, 2023/03/08
- [PULL 21/28] linux-user/sparc: Handle getcc, setcc, getpsr traps, Laurent Vivier, 2023/03/08
- [PULL 22/28] linux-user/sparc: Handle priviledged opcode trap, Laurent Vivier, 2023/03/08
- [PULL 28/28] linux-user: fix bug about incorrect base addresss of gdt on i386 and x86_64, Laurent Vivier, 2023/03/08
- [PULL 12/28] linux-user: Add translation for argument of msync(), Laurent Vivier, 2023/03/08
- [PULL 25/28] linux-user/sparc: Handle unimplemented flush trap, Laurent Vivier, 2023/03/08
- [PULL 24/28] linux-user/sparc: Handle coprocessor disabled trap, Laurent Vivier, 2023/03/08
- [PULL 26/28] linux-user/sparc: Handle floating-point exceptions, Laurent Vivier, 2023/03/08
- [PULL 27/28] linux-user/sparc: Handle tag overflow traps, Laurent Vivier, 2023/03/08
- [PULL 19/28] linux-user/sparc: Handle software breakpoint trap, Laurent Vivier, 2023/03/08