From fe51b0a5979e94fd1853996ea0613089f4528340 Mon Sep 17 00:00:00 2001
From: Shu-Chun Weng <scw@google.com>
Date: Fri, 18 Dec 2020 11:32:11 -0800
Subject: [PATCH] linux-user: add missing UDP get/setsockopt option

SOL_UDP manipulate options at UDP level. All six options currently defined
in linux source include/uapi/linux/udp.h take integer values.

Signed-off-by: Shu-Chun Weng <scw@google.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20201218193213.3566856-3-scw@google.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 linux-user/strace.c  | 6 ++++++
 linux-user/syscall.c | 7 +++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/linux-user/strace.c b/linux-user/strace.c
index 227812c07e..64172de99d 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -7,6 +7,7 @@
 #include <sys/mount.h>
 #include <arpa/inet.h>
 #include <netinet/tcp.h>
+#include <netinet/udp.h>
 #include <linux/if_packet.h>
 #include <linux/netlink.h>
 #include <sched.h>
@@ -2644,6 +2645,11 @@ static void do_print_sockopt(const char *name, abi_long arg1)
         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
         print_pointer(optval, 0);
         break;
+    case SOL_UDP:
+        qemu_log("SOL_UDP,");
+        print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
+        print_pointer(optval, 0);
+        break;
     case SOL_IP:
         qemu_log("SOL_IP,");
         print_raw_param(TARGET_ABI_FMT_ld, optname, 0);
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 98aaca0187..969db20081 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -53,6 +53,7 @@
 //#include <sys/user.h>
 #include <netinet/ip.h>
 #include <netinet/tcp.h>
+#include <netinet/udp.h>
 #include <linux/wireless.h>
 #include <linux/icmp.h>
 #include <linux/icmpv6.h>
@@ -2184,7 +2185,8 @@ static abi_long do_setsockopt(int sockfd, int level, int optname,
 
     switch(level) {
     case SOL_TCP:
-        /* TCP options all take an 'int' value.  */
+    case SOL_UDP:
+        /* TCP and UDP options all take an 'int' value.  */
         if (optlen < sizeof(uint32_t))
             return -TARGET_EINVAL;
 
@@ -2832,7 +2834,8 @@ get_timeout:
         }
         break;
     case SOL_TCP:
-        /* TCP options all take an 'int' value.  */
+    case SOL_UDP:
+        /* TCP and UDP options all take an 'int' value.  */
     int_case:
         if (get_user_u32(len, optlen))
             return -TARGET_EFAULT;