From patchwork Tue Jul 24 23:59:23 2012
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Subject: [V6, 2/3] linux-user: make do_setsockopt support SOL_RAW ICMP_FILTER
 socket option
Date: Tue, 24 Jul 2012 13:59:23 -0000
From: Jing Huang <jing.huang.pku@gmail.com>
X-Patchwork-Id: 172914
Message-Id: <1343174363-10330-1-git-send-email-jing.huang.pku@gmail.com>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, riku.voipio@iki.fi

Signed-off-by: Jing Huang <jing.huang.pku@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

---
linux-user/syscall.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6385934..362e478 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -60,6 +60,7 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
 #include <netinet/ip.h>
 #include <netinet/tcp.h>
 #include <linux/wireless.h>
+#include <linux/icmp.h>
 #include "qemu-common.h"
 #ifdef TARGET_GPROF
 #include <sys/gmon.h>
@@ -1440,6 +1441,25 @@ static abi_long do_setsockopt(int sockfd, int level, int optname,
             goto unimplemented;
         }
         break;
+    case SOL_RAW:
+        switch (optname) {
+        case ICMP_FILTER:
+            /* struct icmp_filter takes an u32 value */
+            if (optlen < sizeof(uint32_t)) {
+                return -TARGET_EINVAL;
+            }
+
+            if (get_user_u32(val, optval_addr)) {
+                return -TARGET_EFAULT;
+            }
+            ret = get_errno(setsockopt(sockfd, level, optname,
+                                       &val, sizeof(val)));
+            break;
+
+        default:
+            goto unimplemented;
+        }
+        break;
     case TARGET_SOL_SOCKET:
         switch (optname) {
             /* Options with 'int' argument.  */