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authorEyal Bari <ebari@cisco.com>2018-03-27 11:43:57 +0300
committerJohn Lo <loj@cisco.com>2018-03-27 20:48:29 +0000
commitaa0180b9e02270012e7c4c451b70e33df986c4cc (patch)
treebee7ccd3d6940053b26abb687e18febfbc613ef1 /src/vnet/vxlan/vxlan.c
parent2d207bcde275c81edf347caeed679f6f82cd82d0 (diff)
vxlan:refactor add del command function
Change-Id: I33ba5a011100baf1c786f9a63a0cf3d2e1020493 Signed-off-by: Eyal Bari <ebari@cisco.com>
Diffstat (limited to 'src/vnet/vxlan/vxlan.c')
-rw-r--r--src/vnet/vxlan/vxlan.c145
1 files changed, 43 insertions, 102 deletions
diff --git a/src/vnet/vxlan/vxlan.c b/src/vnet/vxlan/vxlan.c
index 97321421a84..9a68ae80154 100644
--- a/src/vnet/vxlan/vxlan.c
+++ b/src/vnet/vxlan/vxlan.c
@@ -605,7 +605,7 @@ vxlan_add_del_tunnel_command_fn (vlib_main_t * vm,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, * line_input = &_line_input;
- ip46_address_t src , dst;
+ ip46_address_t src = ip46_address_initializer, dst = ip46_address_initializer;
u8 is_add = 1;
u8 src_set = 0;
u8 dst_set = 0;
@@ -617,16 +617,9 @@ vxlan_add_del_tunnel_command_fn (vlib_main_t * vm,
u32 mcast_sw_if_index = ~0;
u32 decap_next_index = VXLAN_INPUT_NEXT_L2_INPUT;
u32 vni = 0;
- u32 tmp;
- int rv;
- vnet_vxlan_add_del_tunnel_args_t _a, * a = &_a;
- u32 tunnel_sw_if_index;
+ u32 table_id;
clib_error_t *error = NULL;
- /* Cant "universally zero init" (={0}) due to GCC bug 53119 */
- memset(&src, 0, sizeof src);
- memset(&dst, 0, sizeof dst);
-
/* Get a line of input. */
if (! unformat_user (input, unformat_line_input, line_input))
return 0;
@@ -639,138 +632,93 @@ vxlan_add_del_tunnel_command_fn (vlib_main_t * vm,
else if (unformat (line_input, "instance %d", &instance))
;
else if (unformat (line_input, "src %U",
- unformat_ip4_address, &src.ip4))
+ unformat_ip46_address, &src, IP46_TYPE_ANY))
{
src_set = 1;
- ipv4_set = 1;
+ ip46_address_is_ip4(&src) ? (ipv4_set = 1) : (ipv6_set = 1);
}
else if (unformat (line_input, "dst %U",
- unformat_ip4_address, &dst.ip4))
+ unformat_ip46_address, &dst, IP46_TYPE_ANY))
{
dst_set = 1;
- ipv4_set = 1;
- }
- else if (unformat (line_input, "src %U",
- unformat_ip6_address, &src.ip6))
- {
- src_set = 1;
- ipv6_set = 1;
- }
- else if (unformat (line_input, "dst %U",
- unformat_ip6_address, &dst.ip6))
- {
- dst_set = 1;
- ipv6_set = 1;
- }
- else if (unformat (line_input, "group %U %U",
- unformat_ip4_address, &dst.ip4,
- unformat_vnet_sw_interface,
- vnet_get_main(), &mcast_sw_if_index))
- {
- grp_set = dst_set = 1;
- ipv4_set = 1;
+ ip46_address_is_ip4(&dst) ? (ipv4_set = 1) : (ipv6_set = 1);
}
else if (unformat (line_input, "group %U %U",
- unformat_ip6_address, &dst.ip6,
+ unformat_ip46_address, &dst, IP46_TYPE_ANY,
unformat_vnet_sw_interface,
vnet_get_main(), &mcast_sw_if_index))
{
grp_set = dst_set = 1;
- ipv6_set = 1;
+ ip46_address_is_ip4(&dst) ? (ipv4_set = 1) : (ipv6_set = 1);
}
- else if (unformat (line_input, "encap-vrf-id %d", &tmp))
+ else if (unformat (line_input, "encap-vrf-id %d", &table_id))
{
- encap_fib_index = fib_table_find (fib_ip_proto (ipv6_set), tmp);
+ encap_fib_index = fib_table_find (fib_ip_proto (ipv6_set), table_id);
if (encap_fib_index == ~0)
{
- error = clib_error_return (0, "nonexistent encap-vrf-id %d", tmp);
- goto done;
+ error = clib_error_return (0, "nonexistent encap-vrf-id %d", table_id);
+ break;
}
}
else if (unformat (line_input, "decap-next %U", unformat_decap_next,
&decap_next_index, ipv4_set))
;
else if (unformat (line_input, "vni %d", &vni))
- {
- if (vni >> 24)
- {
- error = clib_error_return (0, "vni %d out of range", vni);
- goto done;
- }
- }
+ ;
else
{
error = clib_error_return (0, "parse error: '%U'",
format_unformat_error, line_input);
- goto done;
+ break;
}
}
+ unformat_free (line_input);
+
+ if (error)
+ return error;
+
if (src_set == 0)
- {
- error = clib_error_return (0, "tunnel src address not specified");
- goto done;
- }
+ return clib_error_return (0, "tunnel src address not specified");
if (dst_set == 0)
- {
- error = clib_error_return (0, "tunnel dst address not specified");
- goto done;
- }
+ return clib_error_return (0, "tunnel dst address not specified");
if (grp_set && !ip46_address_is_multicast(&dst))
- {
- error = clib_error_return (0, "tunnel group address not multicast");
- goto done;
- }
+ return clib_error_return (0, "tunnel group address not multicast");
if (grp_set == 0 && ip46_address_is_multicast(&dst))
- {
- error = clib_error_return (0, "dst address must be unicast");
- goto done;
- }
+ return clib_error_return (0, "dst address must be unicast");
if (grp_set && mcast_sw_if_index == ~0)
- {
- error = clib_error_return (0, "tunnel nonexistent multicast device");
- goto done;
- }
+ return clib_error_return (0, "tunnel nonexistent multicast device");
if (ipv4_set && ipv6_set)
- {
- error = clib_error_return (0, "both IPv4 and IPv6 addresses specified");
- goto done;
- }
+ return clib_error_return (0, "both IPv4 and IPv6 addresses specified");
if (ip46_address_cmp(&src, &dst) == 0)
- {
- error = clib_error_return (0, "src and dst addresses are identical");
- goto done;
- }
+ return clib_error_return (0, "src and dst addresses are identical");
if (decap_next_index == ~0)
- {
- error = clib_error_return (0, "next node not found");
- goto done;
- }
+ return clib_error_return (0, "next node not found");
if (vni == 0)
- {
- error = clib_error_return (0, "vni not specified");
- goto done;
- }
+ return clib_error_return (0, "vni not specified");
- memset (a, 0, sizeof (*a));
+ if (vni >> 24)
+ return clib_error_return (0, "vni %d out of range", vni);
- a->is_add = is_add;
- a->is_ip6 = ipv6_set;
- a->instance = instance;
-
-#define _(x) a->x = x;
- foreach_copy_field;
+ vnet_vxlan_add_del_tunnel_args_t a = {
+ .is_add = is_add,
+ .is_ip6 = ipv6_set,
+ .instance = instance,
+#define _(x) .x = x,
+ foreach_copy_field
#undef _
+ };
- rv = vnet_vxlan_add_del_tunnel (a, &tunnel_sw_if_index);
+ u32 tunnel_sw_if_index;
+ int rv = vnet_vxlan_add_del_tunnel (&a, &tunnel_sw_if_index);
switch(rv)
{
@@ -781,26 +729,19 @@ vxlan_add_del_tunnel_command_fn (vlib_main_t * vm,
break;
case VNET_API_ERROR_TUNNEL_EXIST:
- error = clib_error_return (0, "tunnel already exists...");
- goto done;
+ return clib_error_return (0, "tunnel already exists...");
case VNET_API_ERROR_NO_SUCH_ENTRY:
- error = clib_error_return (0, "tunnel does not exist...");
- goto done;
+ return clib_error_return (0, "tunnel does not exist...");
case VNET_API_ERROR_INSTANCE_IN_USE:
- error = clib_error_return (0, "Instance is in use");
- goto done;
+ return clib_error_return (0, "Instance is in use");
default:
- error = clib_error_return
+ return clib_error_return
(0, "vnet_vxlan_add_del_tunnel returned %d", rv);
- goto done;
}
-done:
- unformat_free (line_input);
-
return error;
}