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authorKlement Sekera <klement.sekera@gmail.com>2022-02-14 20:19:28 +0000
committerKlement Sekera <klement.sekera@gmail.com>2022-02-14 20:19:28 +0000
commitb59f63b0e71c879331280b721ec72ff0b4699540 (patch)
tree9f33dd3e0377dc7a657c2913c85ca250e8156fa2 /src/vnet/bfd/bfd_udp.c
parentbe74504d2232ded435dc48d533d2c130595fea8c (diff)
bfd: refactor code to fix misc warnings
This change fixes multiple unused parameter warnings, narrowing conversion warnings and identical switch statement warnings. Type: refactor Signed-off-by: Klement Sekera <klement.sekera@gmail.com> Change-Id: I4140e939c409ce06cc5aaaf5e1b042681f7ca448
Diffstat (limited to 'src/vnet/bfd/bfd_udp.c')
-rw-r--r--src/vnet/bfd/bfd_udp.c88
1 files changed, 42 insertions, 46 deletions
diff --git a/src/vnet/bfd/bfd_udp.c b/src/vnet/bfd/bfd_udp.c
index a58d9e2e1ca..d8fd4a10529 100644
--- a/src/vnet/bfd/bfd_udp.c
+++ b/src/vnet/bfd/bfd_udp.c
@@ -685,9 +685,8 @@ bfd_udp_find_session_by_api_input (u32 sw_if_index,
static vnet_api_error_t
bfd_api_verify_common (u32 sw_if_index, u32 desired_min_tx_usec,
- u32 required_min_rx_usec, u8 detect_mult,
- const ip46_address_t * local_addr,
- const ip46_address_t * peer_addr)
+ u8 detect_mult, const ip46_address_t *local_addr,
+ const ip46_address_t *peer_addr)
{
bfd_udp_main_t *bum = &bfd_udp_main;
vnet_api_error_t rv =
@@ -781,10 +780,8 @@ bfd_udp_add_session (u32 sw_if_index, const ip46_address_t * local_addr,
bfd_main_t *bm = &bfd_main;
bfd_lock (bm);
- vnet_api_error_t rv =
- bfd_api_verify_common (sw_if_index, desired_min_tx_usec,
- required_min_rx_usec, detect_mult,
- local_addr, peer_addr);
+ vnet_api_error_t rv = bfd_api_verify_common (
+ sw_if_index, desired_min_tx_usec, detect_mult, local_addr, peer_addr);
if (!rv)
rv = bfd_udp_add_and_start_session (
@@ -806,8 +803,7 @@ bfd_udp_upd_session (u32 sw_if_index, const ip46_address_t *local_addr,
bfd_lock (bm);
vnet_api_error_t rv = bfd_api_verify_common (
- sw_if_index, desired_min_tx_usec, required_min_rx_usec, detect_mult,
- local_addr, peer_addr);
+ sw_if_index, desired_min_tx_usec, detect_mult, local_addr, peer_addr);
if (!rv)
{
bfd_session_t *bs = NULL;
@@ -1011,7 +1007,7 @@ bfd_udp4_find_headers (vlib_buffer_t * b, ip4_header_t ** ip4,
{
/* sanity check first */
const i32 start = vnet_buffer (b)->l3_hdr_offset;
- if (start < 0 && start < sizeof (b->pre_data))
+ if (start < -(signed) sizeof (b->pre_data))
{
BFD_ERR ("Start of ip header is before pre_data, ignoring");
*ip4 = NULL;
@@ -1080,8 +1076,7 @@ bfd_rpc_update_session (vlib_main_t * vm, u32 bs_idx, const bfd_pkt_t * pkt)
}
static bfd_udp_error_t
-bfd_udp4_scan (vlib_main_t * vm, vlib_node_runtime_t * rt,
- vlib_buffer_t * b, bfd_session_t ** bs_out)
+bfd_udp4_scan (vlib_main_t *vm, vlib_buffer_t *b, bfd_session_t **bs_out)
{
const bfd_pkt_t *pkt = vlib_buffer_get_current (b);
if (sizeof (*pkt) > b->current_length)
@@ -1158,7 +1153,7 @@ bfd_udp6_find_headers (vlib_buffer_t * b, ip6_header_t ** ip6,
{
/* sanity check first */
const i32 start = vnet_buffer (b)->l3_hdr_offset;
- if (start < 0 && start < sizeof (b->pre_data))
+ if (start < -(signed) sizeof (b->pre_data))
{
BFD_ERR ("Start of ip header is before pre_data, ignoring");
*ip6 = NULL;
@@ -1222,8 +1217,7 @@ bfd_udp6_verify_transport (const ip6_header_t * ip6,
}
static bfd_udp_error_t
-bfd_udp6_scan (vlib_main_t * vm, vlib_node_runtime_t * rt,
- vlib_buffer_t * b, bfd_session_t ** bs_out)
+bfd_udp6_scan (vlib_main_t *vm, vlib_buffer_t *b, bfd_session_t **bs_out)
{
const bfd_pkt_t *pkt = vlib_buffer_get_current (b);
if (sizeof (*pkt) > b->current_length)
@@ -1325,7 +1319,7 @@ bfd_udp_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
/* If this pkt is traced, snapshot the data */
if (b0->flags & VLIB_BUFFER_IS_TRACED)
{
- int len;
+ u64 len;
t0 = vlib_add_trace (vm, rt, b0, sizeof (*t0));
len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
: sizeof (t0->data);
@@ -1337,11 +1331,11 @@ bfd_udp_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
bfd_lock (bm);
if (is_ipv6)
{
- error0 = bfd_udp6_scan (vm, rt, b0, &bs);
+ error0 = bfd_udp6_scan (vm, b0, &bs);
}
else
{
- error0 = bfd_udp4_scan (vm, rt, b0, &bs);
+ error0 = bfd_udp4_scan (vm, b0, &bs);
}
b0->error = rt->errors[error0];
@@ -1358,8 +1352,7 @@ bfd_udp_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
{
b0->current_data = 0;
b0->current_length = 0;
- bfd_init_final_control_frame (vm, b0, bfd_udp_main.bfd_main, bs,
- 0);
+ bfd_init_final_control_frame (vm, b0, bs);
if (is_ipv6)
{
vlib_node_increment_counter (vm, bfd_udp6_input_node.index,
@@ -1487,7 +1480,7 @@ bfd_udp_echo_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
/* If this pkt is traced, snapshot the data */
if (b0->flags & VLIB_BUFFER_IS_TRACED)
{
- int len;
+ u64 len;
t0 = vlib_add_trace (vm, rt, b0, sizeof (*t0));
len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
: sizeof (t0->data);
@@ -1607,38 +1600,41 @@ VLIB_REGISTER_NODE (bfd_udp_echo6_input_node, static) = {
/* *INDENT-ON* */
static clib_error_t *
-bfd_udp_sw_if_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_create)
+bfd_udp_sw_if_add_del (CLIB_UNUSED (vnet_main_t *vnm), u32 sw_if_index,
+ u32 is_create)
{
- bfd_session_t **to_be_freed = NULL;
+ u32 *to_be_freed = NULL;
bfd_udp_main_t *bum = &bfd_udp_main;
BFD_DBG ("sw_if_add_del called, sw_if_index=%u, is_create=%u", sw_if_index,
is_create);
if (!is_create)
{
bfd_session_t *bs;
- pool_foreach (bs, bfd_udp_main.bfd_main->sessions)
- {
- if (bs->transport != BFD_TRANSPORT_UDP4 &&
- bs->transport != BFD_TRANSPORT_UDP6)
- {
- continue;
- }
- if (bs->udp.key.sw_if_index != sw_if_index)
- {
- continue;
- }
- vec_add1 (to_be_freed, bs);
- }
- }
- bfd_session_t **bs;
- vec_foreach (bs, to_be_freed)
- {
- vlib_log_notice (bum->log_class,
- "removal of sw_if_index=%u forces removal of bfd session "
- "with bs_idx=%u", sw_if_index, (*bs)->bs_idx);
- bfd_session_set_flags (vlib_get_main (), *bs, 0);
- bfd_udp_del_session_internal (vlib_get_main (), *bs);
- }
+ pool_foreach (bs, bum->bfd_main->sessions)
+ {
+ if (bs->transport != BFD_TRANSPORT_UDP4 &&
+ bs->transport != BFD_TRANSPORT_UDP6)
+ {
+ continue;
+ }
+ if (bs->udp.key.sw_if_index != sw_if_index)
+ {
+ continue;
+ }
+ vec_add1 (to_be_freed, bs->bs_idx);
+ }
+ }
+ u32 *bs_idx;
+ vec_foreach (bs_idx, to_be_freed)
+ {
+ bfd_session_t *bs = pool_elt_at_index (bum->bfd_main->sessions, *bs_idx);
+ vlib_log_notice (bum->log_class,
+ "removal of sw_if_index=%u forces removal of bfd "
+ "session with bs_idx=%u",
+ sw_if_index, bs->bs_idx);
+ bfd_session_set_flags (vlib_get_main (), bs, 0);
+ bfd_udp_del_session_internal (vlib_get_main (), bs);
+ }
return 0;
}