af-packet: Add support for logging
Change-Id: I4cc6a20b69cce2aa52768a27c5d455eb098224c8
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vnet/devices/af_packet/af_packet.c b/src/vnet/devices/af_packet/af_packet.c
index 5004601..2e2c8e6 100644
--- a/src/vnet/devices/af_packet/af_packet.c
+++ b/src/vnet/devices/af_packet/af_packet.c
@@ -36,8 +36,6 @@
af_packet_main_t af_packet_main;
-#define AF_PACKET_DEBUG_SOCKET 0
-
#define AF_PACKET_TX_FRAMES_PER_BLOCK 1024
#define AF_PACKET_TX_FRAME_SIZE (2048 * 5)
#define AF_PACKET_TX_BLOCK_NR 1
@@ -54,12 +52,6 @@
#define AF_PACKET_RX_BLOCK_SIZE (AF_PACKET_RX_FRAME_SIZE * \
AF_PACKET_RX_FRAMES_PER_BLOCK)
-#if AF_PACKET_DEBUG_SOCKET == 1
-#define DBG_SOCK(args...) clib_warning(args);
-#else
-#define DBG_SOCK(args...)
-#endif
-
/*defined in net/if.h but clashes with dpdk headers */
unsigned int if_nametoindex (const char *ifname);
@@ -84,7 +76,10 @@
if (error)
{
- clib_error_report (error);
+ vlib_log_err (apm->log_class,
+ "sysfs write failed to change MTU: %U",
+ format_clib_error, error);
+ clib_error_free (error);
return VNET_API_ERROR_SYSCALL_ERROR_1;
}
}
@@ -132,6 +127,7 @@
create_packet_v2_sock (int host_if_index, tpacket_req_t * rx_req,
tpacket_req_t * tx_req, int *fd, u8 ** ring)
{
+ af_packet_main_t *apm = &af_packet_main;
int ret, err;
struct sockaddr_ll sll;
int ver = TPACKET_V2;
@@ -141,7 +137,7 @@
if ((*fd = socket (AF_PACKET, SOCK_RAW, htons (ETH_P_ALL))) < 0)
{
- DBG_SOCK ("Failed to create socket");
+ vlib_log_debug (apm->log_class, "Failed to create socket");
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -153,7 +149,8 @@
sll.sll_ifindex = host_if_index;
if ((err = bind (*fd, (struct sockaddr *) &sll, sizeof (sll))) < 0)
{
- DBG_SOCK ("Failed to bind rx packet socket (error %d)", err);
+ vlib_log_debug (apm->log_class,
+ "Failed to bind rx packet socket (error %d)", err);
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -161,7 +158,8 @@
if ((err =
setsockopt (*fd, SOL_PACKET, PACKET_VERSION, &ver, sizeof (ver))) < 0)
{
- DBG_SOCK ("Failed to set rx packet interface version");
+ vlib_log_debug (apm->log_class,
+ "Failed to set rx packet interface version");
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -170,7 +168,8 @@
if ((err =
setsockopt (*fd, SOL_PACKET, PACKET_LOSS, &opt, sizeof (opt))) < 0)
{
- DBG_SOCK ("Failed to set packet tx ring error handling option");
+ vlib_log_debug (apm->log_class,
+ "Failed to set packet tx ring error handling option");
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -178,7 +177,7 @@
if ((err =
setsockopt (*fd, SOL_PACKET, PACKET_RX_RING, rx_req, req_sz)) < 0)
{
- DBG_SOCK ("Failed to set packet rx ring options");
+ vlib_log_debug (apm->log_class, "Failed to set packet rx ring options");
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -186,7 +185,7 @@
if ((err =
setsockopt (*fd, SOL_PACKET, PACKET_TX_RING, tx_req, req_sz)) < 0)
{
- DBG_SOCK ("Failed to set packet tx ring options");
+ vlib_log_debug (apm->log_class, "Failed to set packet tx ring options");
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -196,7 +195,7 @@
0);
if (*ring == MAP_FAILED)
{
- DBG_SOCK ("mmap failure");
+ vlib_log_debug (apm->log_class, "mmap failure");
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -257,7 +256,7 @@
*/
if ((fd2 = socket (AF_UNIX, SOCK_DGRAM, 0)) < 0)
{
- DBG_SOCK ("Failed to create socket");
+ vlib_log_debug (apm->log_class, "Failed to create socket");
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -266,7 +265,7 @@
vec_len (host_if_name));
if ((ret = ioctl (fd2, SIOCGIFINDEX, &ifr)) < 0)
{
- clib_unix_warning ("af_packet_create error: %d", ret);
+ vlib_log_debug (apm->log_class, "af_packet_create error: %d", ret);
close (fd2);
return VNET_API_ERROR_INVALID_INTERFACE;
}
@@ -274,7 +273,7 @@
host_if_index = ifr.ifr_ifindex;
if ((ret = ioctl (fd2, SIOCGIFFLAGS, &ifr)) < 0)
{
- clib_unix_warning ("af_packet_create error: %d", ret);
+ vlib_log_warn (apm->log_class, "af_packet_create error: %d", ret);
goto error;
}
@@ -283,7 +282,7 @@
ifr.ifr_flags |= IFF_UP;
if ((ret = ioctl (fd2, SIOCSIFFLAGS, &ifr)) < 0)
{
- clib_unix_warning ("af_packet_create error: %d", ret);
+ vlib_log_warn (apm->log_class, "af_packet_create error: %d", ret);
goto error;
}
}
@@ -353,7 +352,9 @@
{
memset (apif, 0, sizeof (*apif));
pool_put (apm->interfaces, apif);
- clib_error_report (error);
+ vlib_log_err (apm->log_class, "Unable to register interface: %U",
+ format_clib_error, error);
+ clib_error_free (error);
ret = VNET_API_ERROR_SYSCALL_ERROR_1;
goto error;
}
@@ -403,7 +404,8 @@
p = mhash_get (&apm->if_index_by_host_if_name, host_if_name);
if (p == NULL)
{
- clib_warning ("Host interface %s does not exist", host_if_name);
+ vlib_log_warn (apm->log_class, "Host interface %s does not exist",
+ host_if_name);
return VNET_API_ERROR_SYSCALL_ERROR_1;
}
apif = pool_elt_at_index (apm->interfaces, p[0]);
@@ -425,8 +427,9 @@
ring_sz = apif->rx_req->tp_block_size * apif->rx_req->tp_block_nr +
apif->tx_req->tp_block_size * apif->tx_req->tp_block_nr;
if (munmap (apif->rx_ring, ring_sz))
- clib_warning ("Host interface %s could not free rx/tx ring",
- host_if_name);
+ vlib_log_warn (apm->log_class,
+ "Host interface %s could not free rx/tx ring",
+ host_if_name);
apif->rx_ring = NULL;
apif->tx_ring = NULL;
apif->fd = -1;
@@ -481,6 +484,9 @@
vec_validate_aligned (apm->rx_buffers, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
+ apm->log_class = vlib_log_register_class ("af_packet", 0);
+ vlib_log_debug (apm->log_class, "initialized");
+
return 0;
}