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authorMohsin Kazmi <sykazmi@cisco.com>2017-10-27 21:28:07 +0200
committerJohn Lo <loj@cisco.com>2017-10-31 15:21:28 +0000
commit57938f63cc6743193c76d4fa89ad3250a5f76b56 (patch)
tree8588b7dc58dc96c8b8a3f1928985cd1870b96042 /src/vnet/l2/l2_fib.c
parent756d5f76859cc6495dba16a583580d8e7d02a8e6 (diff)
l2fib: MAC: Fix uint64 to u8 byte array
As per proposal on the mailing list, this patch fixes the represntation of MAC address in VPP API calls for · L2fib_add_del · L2_fib_table_details Change-Id: I31e17efd1a6314cded69666e693cb8fc33158d02 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/l2/l2_fib.c')
-rw-r--r--src/vnet/l2/l2_fib.c66
1 files changed, 31 insertions, 35 deletions
diff --git a/src/vnet/l2/l2_fib.c b/src/vnet/l2/l2_fib.c
index 0ad56f38fe0..9e095d236cf 100644
--- a/src/vnet/l2/l2_fib.c
+++ b/src/vnet/l2/l2_fib.c
@@ -54,6 +54,17 @@
l2fib_main_t l2fib_main;
+static void
+incr_mac_address (u8 * mac)
+{
+ u64 tmp = *((u64 *) mac);
+ tmp = clib_net_to_host_u64 (tmp);
+ tmp += 1 << 16; /* skip unused (least significant) octets */
+ tmp = clib_host_to_net_u64 (tmp);
+
+ clib_memcpy (mac, &tmp, 6);
+}
+
/** Format sw_if_index. If the value is ~0, use the text "N/A" */
u8 *
format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args)
@@ -342,7 +353,7 @@ l2fib_cur_seq_num (u32 bd_index, u32 sw_if_index)
* If the entry already exists then overwrite it
*/
void
-l2fib_add_entry (u64 mac, u32 bd_index,
+l2fib_add_entry (u8 * mac, u32 bd_index,
u32 sw_if_index, u8 static_mac, u8 filter_mac, u8 bvi_mac)
{
l2fib_entry_key_t key;
@@ -353,7 +364,7 @@ l2fib_add_entry (u64 mac, u32 bd_index,
BVT (clib_bihash_kv) kv;
/* set up key */
- key.raw = l2fib_make_key ((u8 *) & mac, bd_index);
+ key.raw = l2fib_make_key (mac, bd_index);
/* check if entry alread exist */
if (BV (clib_bihash_search) (&fm->mac_table, &kv, &kv))
@@ -392,7 +403,7 @@ l2fib_add (vlib_main_t * vm,
bd_main_t *bdm = &bd_main;
vnet_main_t *vnm = vnet_get_main ();
clib_error_t *error = 0;
- u64 mac;
+ u8 mac[6];
u32 bd_id;
u32 bd_index;
u32 sw_if_index = ~0;
@@ -401,7 +412,7 @@ l2fib_add (vlib_main_t * vm,
u32 bvi_mac = 0;
uword *p;
- if (!unformat_user (input, unformat_ethernet_address, &mac))
+ if (!unformat (input, "%U", unformat_ethernet_address, mac))
{
error = clib_error_return (0, "expected mac address `%U'",
format_unformat_error, input);
@@ -507,7 +518,7 @@ l2fib_test_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
clib_error_t *error = 0;
- u64 mac, save_mac;
+ u8 mac[6], save_mac[6];
u32 bd_index = 0;
u32 sw_if_index = 8;
u32 bvi_mac = 0;
@@ -520,7 +531,7 @@ l2fib_test_command_fn (vlib_main_t * vm,
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "mac %U", unformat_ethernet_address, &mac))
+ if (unformat (input, "mac %U", unformat_ethernet_address, mac))
mac_set = 1;
else if (unformat (input, "add"))
is_add = 1;
@@ -541,19 +552,14 @@ l2fib_test_command_fn (vlib_main_t * vm,
return clib_error_return (0,
"noop: pick at least one of (add,del,check)");
- save_mac = mac;
+ clib_memcpy (save_mac, mac, 6);
if (is_add)
{
for (i = 0; i < count; i++)
{
- u64 tmp;
- l2fib_add_fwd_entry (mac, bd_index, sw_if_index, mac, bvi_mac);
- tmp = clib_net_to_host_u64 (mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
+ l2fib_add_fwd_entry (mac, bd_index, sw_if_index, *mac, bvi_mac);
+ incr_mac_address (mac);
}
}
@@ -562,38 +568,28 @@ l2fib_test_command_fn (vlib_main_t * vm,
BVT (clib_bihash_kv) kv;
l2fib_main_t *mp = &l2fib_main;
- mac = save_mac;
+ clib_memcpy (mac, save_mac, 6);
for (i = 0; i < count; i++)
{
- u64 tmp;
- kv.key = l2fib_make_key ((u8 *) & mac, bd_index);
+ kv.key = l2fib_make_key (mac, bd_index);
if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv))
{
- clib_warning ("key %U AWOL", format_ethernet_address, &mac);
+ clib_warning ("key %U AWOL", format_ethernet_address, mac);
break;
}
- tmp = clib_net_to_host_u64 (mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
+ incr_mac_address (mac);
}
}
if (is_del)
{
+ clib_memcpy (mac, save_mac, 6);
+
for (i = 0; i < count; i++)
{
- u64 tmp;
-
l2fib_del_entry (mac, bd_index);
-
- tmp = clib_net_to_host_u64 (mac);
- tmp >>= 16;
- tmp++;
- tmp <<= 16;
- mac = clib_host_to_net_u64 (tmp);
+ incr_mac_address (mac);
}
}
@@ -680,9 +676,9 @@ l2fib_del_entry_by_key (u64 raw_key)
* Return 0 if the entry was deleted, or 1 if it was not found
*/
u32
-l2fib_del_entry (u64 mac, u32 bd_index)
+l2fib_del_entry (u8 * mac, u32 bd_index)
{
- return l2fib_del_entry_by_key (l2fib_make_key ((u8 *) & mac, bd_index));
+ return l2fib_del_entry_by_key (l2fib_make_key (mac, bd_index));
}
/**
@@ -696,12 +692,12 @@ l2fib_del (vlib_main_t * vm,
{
bd_main_t *bdm = &bd_main;
clib_error_t *error = 0;
- u64 mac;
+ u8 mac[6];
u32 bd_id;
u32 bd_index;
uword *p;
- if (!unformat_user (input, unformat_ethernet_address, &mac))
+ if (!unformat (input, "%U", unformat_ethernet_address, mac))
{
error = clib_error_return (0, "expected mac address `%U'",
format_unformat_error, input);