diff options
Diffstat (limited to 'src/vppinfra/mpcap.h')
-rw-r--r-- | src/vppinfra/mpcap.h | 92 |
1 files changed, 4 insertions, 88 deletions
diff --git a/src/vppinfra/mpcap.h b/src/vppinfra/mpcap.h index 1710702d8bd..84f3332d71f 100644 --- a/src/vppinfra/mpcap.h +++ b/src/vppinfra/mpcap.h @@ -17,14 +17,14 @@ * @file * @brief MPCAP utility definitions */ -#ifndef included_vnet_mpcap_h -#define included_vnet_mpcap_h +#ifndef included_vppinfra_mpcap_h +#define included_vppinfra_mpcap_h -#include <vlib/vlib.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <vppinfra/time_range.h> +#include <vppinfra/lock.h> /** * @brief Packet types supported by MPCAP @@ -162,91 +162,7 @@ clib_error_t *mpcap_close (mpcap_main_t * pm); /** mmap a mpcap data file. */ clib_error_t *mpcap_map (mpcap_main_t * pm); -/** - * @brief Add packet - * - * @param *pm - mpcap_main_t - * @param time_now - f64 - * @param n_bytes_in_trace - u32 - * @param n_bytes_in_packet - u32 - * - * @return Packet Data - * - */ -static inline void * -mpcap_add_packet (mpcap_main_t * pm, - f64 time_now, u32 n_bytes_in_trace, u32 n_bytes_in_packet) -{ - mpcap_packet_header_t *h; - u8 *d; - - /* File already closed? */ - if (PREDICT_FALSE (pm->flags & MPCAP_FLAG_INIT_DONE) == 0) - return 0; - - d = pm->current_va; - pm->current_va += sizeof (h[0]) + n_bytes_in_trace; - - /* Out of space? */ - if (PREDICT_FALSE (pm->current_va >= pm->file_baseva + pm->max_file_size)) - return 0; - h = (void *) (d); - h->time_in_sec = time_now; - h->time_in_usec = 1e6 * (time_now - h->time_in_sec); - h->n_packet_bytes_stored_in_file = n_bytes_in_trace; - h->n_bytes_in_packet = n_bytes_in_packet; - pm->n_packets_captured++; - return h->data; -} - -/** - * @brief Add buffer (vlib_buffer_t) to the trace - * - * @param *pm - mpcap_main_t - * @param *vm - vlib_main_t - * @param time_now - f64 - * @param buffer_index - u32 - * @param n_bytes_in_trace - u32 - * - */ -static inline void -mpcap_add_buffer (mpcap_main_t * pm, - vlib_main_t * vm, - f64 time_now, u32 buffer_index, u32 n_bytes_in_trace) -{ - vlib_buffer_t *b = vlib_get_buffer (vm, buffer_index); - u32 n = vlib_buffer_length_in_chain (vm, b); - i32 n_left = clib_min (n_bytes_in_trace, n); - void *d; - - clib_spinlock_lock_if_init (&pm->lock); - - d = mpcap_add_packet (pm, time_now, n_left, n); - if (PREDICT_FALSE (d == 0)) - { - mpcap_close (pm); - clib_spinlock_unlock_if_init (&pm->lock); - return; - } - - while (1) - { - u32 copy_length = clib_min ((u32) n_left, b->current_length); - clib_memcpy (d, b->data + b->current_data, copy_length); - n_left -= b->current_length; - if (n_left <= 0) - break; - d += b->current_length; - ASSERT (b->flags & VLIB_BUFFER_NEXT_PRESENT); - b = vlib_get_buffer (vm, b->next_buffer); - } - if (pm->n_packets_captured >= pm->n_packets_to_capture) - mpcap_close (pm); - - clib_spinlock_unlock_if_init (&pm->lock); -} - -#endif /* included_vnet_mpcap_h */ +#endif /* included_vppinfra_mpcap_h */ /* * fd.io coding-style-patch-verification: ON |