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authorBenoît Ganne <bganne@cisco.com>2023-06-05 10:02:29 +0200
committerFlorin Coras <florin.coras@gmail.com>2023-06-05 16:23:43 +0000
commitd52f80f422439227e98d9d26bf43394c69f8a7fd (patch)
treec7b083e89371deac41471686e2485c66ad13a2ea
parentaf4fa965e909db69ecde9deb6b7f9a53553aeccb (diff)
udp: improve port validity check
- do not allocate port sparse vector when only checking if a port is already in use - do not display port that have been unregistered by default Type: improvement Change-Id: I6cc94e35806dd8d415cd5d1c1c51e6b066ac26a1 Signed-off-by: Benoît Ganne <bganne@cisco.com>
-rw-r--r--src/vnet/udp/udp_cli.c11
-rw-r--r--src/vnet/udp/udp_local.c16
2 files changed, 14 insertions, 13 deletions
diff --git a/src/vnet/udp/udp_cli.c b/src/vnet/udp/udp_cli.c
index d60f0dde50b..1e723923c2f 100644
--- a/src/vnet/udp/udp_cli.c
+++ b/src/vnet/udp/udp_cli.c
@@ -211,16 +211,21 @@ static void
table_format_udp_port_ (vlib_main_t *vm, udp_main_t *um, table_t *t, int *c,
int port, int bind, int is_ip4)
{
- const udp_dst_port_info_t *pi = udp_get_dst_port_info (um, port, is_ip4);
- if (!pi)
+ const udp_dst_port_info_t *pi;
+
+ if (bind && !udp_is_valid_dst_port (port, is_ip4))
return;
- if (bind && ~0 == pi->node_index)
+
+ pi = udp_get_dst_port_info (um, port, is_ip4);
+ if (!pi)
return;
+
table_format_cell (t, *c, 0, "%d", pi->dst_port);
table_format_cell (t, *c, 1, is_ip4 ? "ip4" : "ip6");
table_format_cell (t, *c, 2, ~0 == pi->node_index ? "none" : "%U",
format_vlib_node_name, vm, pi->node_index);
table_format_cell (t, *c, 3, "%s", pi->name);
+
(*c)++;
}
diff --git a/src/vnet/udp/udp_local.c b/src/vnet/udp/udp_local.c
index 41938b8f1f7..88378ae04bc 100644
--- a/src/vnet/udp/udp_local.c
+++ b/src/vnet/udp/udp_local.c
@@ -523,16 +523,12 @@ u8
udp_is_valid_dst_port (udp_dst_port_t dst_port, u8 is_ip4)
{
udp_main_t *um = &udp_main;
- u16 *n;
-
- if (is_ip4)
- n = sparse_vec_validate (um->next_by_dst_port4,
- clib_host_to_net_u16 (dst_port));
- else
- n = sparse_vec_validate (um->next_by_dst_port6,
- clib_host_to_net_u16 (dst_port));
-
- return (n[0] != SPARSE_VEC_INVALID_INDEX && n[0] != UDP_NO_NODE_SET);
+ u16 *next_by_dst_port =
+ is_ip4 ? um->next_by_dst_port4 : um->next_by_dst_port6;
+ uword index =
+ sparse_vec_index (next_by_dst_port, clib_host_to_net_u16 (dst_port));
+ return (index != SPARSE_VEC_INVALID_INDEX &&
+ vec_elt (next_by_dst_port, index) != UDP_NO_NODE_SET);
}
void