[lng-odp] [PATCH] linux-generic: socket: set up __odp_errno on ioctl failures

[Ilya Maximets]

Also debug output enhanced.

Signed-off-by: Ilya Maximets <i.maxim...@samsung.com>
---
 platform/linux-generic/pktio/socket.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/platform/linux-generic/pktio/socket.c 
b/platform/linux-generic/pktio/socket.c
index 5f5e0ae..ef2e031 100644
--- a/platform/linux-generic/pktio/socket.c
+++ b/platform/linux-generic/pktio/socket.c
@@ -126,7 +126,9 @@ int mtu_get_fd(int fd, const char *name)
        snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name);
        ret = ioctl(fd, SIOCGIFMTU, &ifr);
        if (ret < 0) {
-               ODP_DBG("ioctl SIOCGIFMTU error\n");
+               __odp_errno = errno;
+               ODP_DBG("ioctl(SIOCGIFMTU): %s: \"%s\".\n", strerror(errno),
+                       ifr.ifr_name);
                return -1;
        }
        return ifr.ifr_mtu;
@@ -145,7 +147,9 @@ int promisc_mode_set_fd(int fd, const char *name, int 
enable)
        snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name);
        ret = ioctl(fd, SIOCGIFFLAGS, &ifr);
        if (ret < 0) {
-               ODP_DBG("ioctl SIOCGIFFLAGS error\n");
+               __odp_errno = errno;
+               ODP_DBG("ioctl(SIOCGIFFLAGS): %s: \"%s\".\n", strerror(errno),
+                       ifr.ifr_name);
                return -1;
        }
 
@@ -156,7 +160,9 @@ int promisc_mode_set_fd(int fd, const char *name, int 
enable)
 
        ret = ioctl(fd, SIOCSIFFLAGS, &ifr);
        if (ret < 0) {
-               ODP_DBG("ioctl SIOCSIFFLAGS error\n");
+               __odp_errno = errno;
+               ODP_DBG("ioctl(SIOCSIFFLAGS): %s: \"%s\".\n", strerror(errno),
+                       ifr.ifr_name);
                return -1;
        }
        return 0;
@@ -175,7 +181,9 @@ int promisc_mode_get_fd(int fd, const char *name)
        snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name);
        ret = ioctl(fd, SIOCGIFFLAGS, &ifr);
        if (ret < 0) {
-               ODP_DBG("ioctl SIOCGIFFLAGS error\n");
+               __odp_errno = errno;
+               ODP_DBG("ioctl(SIOCGIFFLAGS): %s: \"%s\".\n", strerror(errno),
+                       ifr.ifr_name);
                return -1;
        }
 
-- 
2.1.4

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