#define foreach_af_packet_input_error
-typedef enum {
+typedef enum
+{
#define _(f,s) AF_PACKET_INPUT_ERROR_##f,
foreach_af_packet_input_error
#undef _
- AF_PACKET_INPUT_N_ERROR,
+ AF_PACKET_INPUT_N_ERROR,
} af_packet_input_error_t;
-static char * af_packet_input_error_strings[] = {
+static char *af_packet_input_error_strings[] = {
#define _(n,s) s,
- foreach_af_packet_input_error
+ foreach_af_packet_input_error
#undef _
};
-enum {
+enum
+{
AF_PACKET_INPUT_NEXT_DROP,
AF_PACKET_INPUT_NEXT_ETHERNET_INPUT,
AF_PACKET_INPUT_N_NEXT,
};
-typedef struct {
+typedef struct
+{
u32 next_index;
u32 hw_if_index;
int block;
struct tpacket2_hdr tph;
} af_packet_input_trace_t;
-static u8 * format_af_packet_input_trace (u8 * s, va_list * args)
+static u8 *
+format_af_packet_input_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- af_packet_input_trace_t * t = va_arg (*args, af_packet_input_trace_t *);
+ af_packet_input_trace_t *t = va_arg (*args, af_packet_input_trace_t *);
uword indent = format_get_indent (s);
s = format (s, "af_packet: hw_if_index %d next-index %d",
t->hw_if_index, t->next_index);
- s = format (s, "\n%Utpacket2_hdr:\n%Ustatus 0x%x len %u snaplen %u mac %u net %u"
- "\n%Usec 0x%x nsec 0x%x vlan %U"
+ s =
+ format (s,
+ "\n%Utpacket2_hdr:\n%Ustatus 0x%x len %u snaplen %u mac %u net %u"
+ "\n%Usec 0x%x nsec 0x%x vlan %U"
#ifdef TP_STATUS_VLAN_TPID_VALID
- " vlan_tpid %u"
+ " vlan_tpid %u"
#endif
- ,
- format_white_space, indent + 2,
- format_white_space, indent + 4,
- t->tph.tp_status,
- t->tph.tp_len,
- t->tph.tp_snaplen,
- t->tph.tp_mac,
- t->tph.tp_net,
- format_white_space, indent + 4,
- t->tph.tp_sec,
- t->tph.tp_nsec,
- format_ethernet_vlan_tci, t->tph.tp_vlan_tci
+ ,
+ format_white_space, indent + 2,
+ format_white_space, indent + 4,
+ t->tph.tp_status,
+ t->tph.tp_len,
+ t->tph.tp_snaplen,
+ t->tph.tp_mac,
+ t->tph.tp_net,
+ format_white_space, indent + 4,
+ t->tph.tp_sec,
+ t->tph.tp_nsec, format_ethernet_vlan_tci, t->tph.tp_vlan_tci
#ifdef TP_STATUS_VLAN_TPID_VALID
- , t->tph.tp_vlan_tpid
+ , t->tph.tp_vlan_tpid
#endif
- );
+ );
return s;
}
always_inline void
-buffer_add_to_chain(vlib_main_t *vm, u32 bi, u32 first_bi, u32 prev_bi)
+buffer_add_to_chain (vlib_main_t * vm, u32 bi, u32 first_bi, u32 prev_bi)
{
- vlib_buffer_t * b = vlib_get_buffer (vm, bi);
- vlib_buffer_t * first_b = vlib_get_buffer (vm, first_bi);
- vlib_buffer_t * prev_b = vlib_get_buffer (vm, prev_bi);
+ vlib_buffer_t *b = vlib_get_buffer (vm, bi);
+ vlib_buffer_t *first_b = vlib_get_buffer (vm, first_bi);
+ vlib_buffer_t *prev_b = vlib_get_buffer (vm, prev_bi);
/* update first buffer */
- first_b->total_length_not_including_first_buffer += b->current_length;
+ first_b->total_length_not_including_first_buffer += b->current_length;
/* update previous buffer */
prev_b->next_buffer = bi;
b->next_buffer = 0;
#if DPDK > 0
- struct rte_mbuf * mbuf = rte_mbuf_from_vlib_buffer(b);
- struct rte_mbuf * first_mbuf = rte_mbuf_from_vlib_buffer(first_b);
- struct rte_mbuf * prev_mbuf = rte_mbuf_from_vlib_buffer(prev_b);
+ struct rte_mbuf *mbuf = rte_mbuf_from_vlib_buffer (b);
+ struct rte_mbuf *first_mbuf = rte_mbuf_from_vlib_buffer (first_b);
+ struct rte_mbuf *prev_mbuf = rte_mbuf_from_vlib_buffer (prev_b);
first_mbuf->nb_segs++;
prev_mbuf->next = mbuf;
mbuf->data_len = b->current_length;
}
always_inline uword
-af_packet_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame, u32 device_idx)
+af_packet_device_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame, u32 device_idx)
{
- af_packet_main_t * apm = &af_packet_main;
- af_packet_if_t * apif = pool_elt_at_index(apm->interfaces, device_idx);
+ af_packet_main_t *apm = &af_packet_main;
+ af_packet_if_t *apif = pool_elt_at_index (apm->interfaces, device_idx);
struct tpacket2_hdr *tph;
u32 next_index = AF_PACKET_INPUT_NEXT_ETHERNET_INPUT;
u32 block = 0;
u32 n_free_bufs;
u32 n_rx_packets = 0;
u32 n_rx_bytes = 0;
- u32 * to_next = 0;
+ u32 *to_next = 0;
u32 block_size = apif->rx_req->tp_block_size;
u32 frame_size = apif->rx_req->tp_frame_size;
u32 frame_num = apif->rx_req->tp_frame_nr;
- u8 * block_start = apif->rx_ring + block * block_size;
+ u8 *block_start = apif->rx_ring + block * block_size;
uword n_trace = vlib_get_trace_count (vm, node);
u32 n_buffer_bytes = vlib_buffer_free_list_buffer_size (vm,
- VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
u32 min_bufs = apif->rx_req->tp_frame_size / n_buffer_bytes;
if (apif->per_interface_next_index != ~0)
- next_index = apif->per_interface_next_index;
+ next_index = apif->per_interface_next_index;
n_free_bufs = vec_len (apm->rx_buffers);
- if (PREDICT_FALSE(n_free_bufs < VLIB_FRAME_SIZE))
+ if (PREDICT_FALSE (n_free_bufs < VLIB_FRAME_SIZE))
{
- vec_validate(apm->rx_buffers, VLIB_FRAME_SIZE + n_free_bufs - 1);
- n_free_bufs += vlib_buffer_alloc(vm, &apm->rx_buffers[n_free_bufs], VLIB_FRAME_SIZE);
+ vec_validate (apm->rx_buffers, VLIB_FRAME_SIZE + n_free_bufs - 1);
+ n_free_bufs +=
+ vlib_buffer_alloc (vm, &apm->rx_buffers[n_free_bufs],
+ VLIB_FRAME_SIZE);
_vec_len (apm->rx_buffers) = n_free_bufs;
}
tph = (struct tpacket2_hdr *) (block_start + rx_frame * frame_size);
while ((tph->tp_status & TP_STATUS_USER) && (n_free_bufs > min_bufs))
{
- vlib_buffer_t * b0, * first_b0 = 0;
+ vlib_buffer_t *b0, *first_b0 = 0;
u32 next0 = next_index;
u32 n_left_to_next;
n_free_bufs--;
/* copy data */
- u32 bytes_to_copy = data_len > n_buffer_bytes ? n_buffer_bytes : data_len;
+ u32 bytes_to_copy =
+ data_len > n_buffer_bytes ? n_buffer_bytes : data_len;
b0->current_data = 0;
- clib_memcpy (vlib_buffer_get_current (b0), (u8 *) tph + tph->tp_mac + offset, bytes_to_copy);
+ clib_memcpy (vlib_buffer_get_current (b0),
+ (u8 *) tph + tph->tp_mac + offset, bytes_to_copy);
/* fill buffer header */
b0->current_length = bytes_to_copy;
if (offset == 0)
{
#if DPDK > 0
- struct rte_mbuf * mb = rte_mbuf_from_vlib_buffer(b0);
+ struct rte_mbuf *mb = rte_mbuf_from_vlib_buffer (b0);
rte_pktmbuf_data_len (mb) = b0->current_length;
rte_pktmbuf_pkt_len (mb) = b0->current_length;
#endif
b0->total_length_not_including_first_buffer = 0;
b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
- vnet_buffer(b0)->sw_if_index[VLIB_RX] = apif->sw_if_index;
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = (u32)~0;
+ vnet_buffer (b0)->sw_if_index[VLIB_RX] = apif->sw_if_index;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
first_bi0 = bi0;
- first_b0 = vlib_get_buffer(vm, first_bi0);
+ first_b0 = vlib_get_buffer (vm, first_bi0);
}
else
- buffer_add_to_chain(vm, bi0, first_bi0, prev_bi0);
+ buffer_add_to_chain (vm, bi0, first_bi0, prev_bi0);
offset += bytes_to_copy;
data_len -= bytes_to_copy;
n_left_to_next--;
/* trace */
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT(first_b0);
- if (PREDICT_FALSE(n_trace > 0))
+ VLIB_BUFFER_TRACE_TRAJECTORY_INIT (first_b0);
+ if (PREDICT_FALSE (n_trace > 0))
{
af_packet_input_trace_t *tr;
- vlib_trace_buffer (vm, node, next0, first_b0, /* follow_chain */ 0);
+ vlib_trace_buffer (vm, node, next0, first_b0, /* follow_chain */
+ 0);
vlib_set_trace_count (vm, node, --n_trace);
tr = vlib_add_trace (vm, node, first_b0, sizeof (*tr));
tr->next_index = next0;
tr->hw_if_index = apif->hw_if_index;
- clib_memcpy(&tr->tph, tph, sizeof(struct tpacket2_hdr));
+ clib_memcpy (&tr->tph, tph, sizeof (struct tpacket2_hdr));
}
/* enque and take next packet */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, first_bi0, next0);
- /* next packet */
+ /* next packet */
tph->tp_status = TP_STATUS_KERNEL;
rx_frame = (rx_frame + 1) % frame_num;
tph = (struct tpacket2_hdr *) (block_start + rx_frame * frame_size);
apif->next_rx_frame = rx_frame;
vlib_increment_combined_counter
- (vnet_get_main()->interface_main.combined_sw_if_counters
+ (vnet_get_main ()->interface_main.combined_sw_if_counters
+ VNET_INTERFACE_COUNTER_RX,
- os_get_cpu_number(),
- apif->hw_if_index,
- n_rx_packets, n_rx_bytes);
+ os_get_cpu_number (), apif->hw_if_index, n_rx_packets, n_rx_bytes);
return n_rx_packets;
}
int i;
u32 n_rx_packets = 0;
- af_packet_main_t * apm = &af_packet_main;
+ af_packet_main_t *apm = &af_packet_main;
+ /* *INDENT-OFF* */
clib_bitmap_foreach (i, apm->pending_input_bitmap,
({
clib_bitmap_set (apm->pending_input_bitmap, i, 0);
n_rx_packets += af_packet_device_input_fn(vm, node, frame, i);
}));
+ /* *INDENT-ON* */
return n_rx_packets;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (af_packet_input_node) = {
.function = af_packet_input_fn,
.name = "af-packet-input",
};
VLIB_NODE_FUNCTION_MULTIARCH (af_packet_input_node, af_packet_input_fn)
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff