*dpdk_buffer_pools_create (vlib_main_t * vm) 函数的开始有创建vpp自己的ops操作 *这里存在cache和no_cache两种。 */struct rte_mempool_ops ops={};strncpy(ops.name,"vpp",4);ops.alloc=dpdk_ops_vpp_alloc;ops.free=dpdk_ops_vpp_free;
1、内存分配和初始化:使用vlib_buffer_main_alloc函数为vlib_buffer_main_t结构体分配内存。初始化日志系统、外部头部大小以及自旋锁。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 vlib_buffer_main_t *bm; clib_error_t *err = 0; clib_bitmap_t *bmp = 0, *bmp_has_memory = 0; u32 numa...
error=vlib_buffer_main_init_numa_alloc (vm, numa_node,&physmem_map_index,CLIB_MEM_PAGE_SZ_DEFAULT,1/* unpriv */ );}else/* 如果在配置page_size的场景下,使用配置的值进行分配 */error=vlib_buffer_main_init_numa_alloc (vm, numa_node,&physmem_map_index,bm->log2_page_size,0/* unpri...
if (vlib_buffer_alloc (vm, &bi0, 1) != 1) { return -1; } b0 = vlib_get_buffer (vm, bi0); udp4_encap_node = vlib_get_node_by_name(vm, (u8 *) "udp4-encap"); dp4_encap_node_index=udp4_encap_node->index; vnet_buffer(b0)->sw_if_index[VLIB_RX] = 0; vnet_buffe...
VLIB_BUFFER_TRACE_TRAJECTORY宏的作用 可以通过开启宏VLIB_BUFFER_TRACE_TRAJECTORY,在mbuf里记录mbuf经过的node个数以及所经过的node的index: if (VLIB_BUFFER_TRACE_TRAJECTORY && frame) { BUFFER TRACE VLIB 原创 chenpingpiao 2016-08-25 11:45:54 ...
if (PREDICT_FALSE (!(*nf->flags & VLIB_FRAME_IS_ALLOCATED*))) { nf->frame = vlib_frame_alloc (vm, node, next_index); nf->flags |= VLIB_FRAME_IS_ALLOCATED; } f = nf->frame; ... n_used = *f->n_vectors*; // line 371 where null dereferencing took place ...
while(unformat_check_input (input) != UNFORMAT_END_OF_INPUT){u8 *s, *v;if(unformat (input,"%s %v", &s, &v)){if(strncmp ((const char *)s,"plugins",8) ==0){if(vec_len (in.buffer) >0)vec_add1 (in.buffer,' ');vec_add (in.buffer, v, vec_len (v));}}else{error ...
=UNFORMAT_END_OF_INPUT){u8*s,*v;if(unformat(input,"%s %v",&s,&v)){if(strncmp((constchar*)s,"plugins",8)==0){if(vec_len(in.buffer)>0)vec_add1(in.buffer,' ');vec_add(in.buffer,v,vec_len(v));}}else{error=clib_error_return(0,"unknown input '%U'",format_unformat_...
(vm->processing_rpc_requests, 0); /* Default params for the buffer allocator fault injector, if configured */ if (VLIB_BUFFER_ALLOC_FAULT_INJECTOR > 0) { vm->buffer_alloc_success_seed = 0xdeaddabe; vm->buffer_alloc_success_rate = 0.80; } if ((error = vlib_call_all_config_...