78     u8* tx_buf;        // The output buffer pointer  member
92     int ret = apf_transmit_buffer(ctx->caller_ctx, ctx->tx_buf, pkt_len, dscp);  in FUNC()
93     ctx->tx_buf = NULL;  in FUNC()
384                 ASSERT_RETURN(ctx->tx_buf == NULL);  in do_apf_run()
394                 ctx->tx_buf = apf_allocate_buffer(ctx->caller_ctx, ctx->tx_buf_len);  in do_apf_run()
395                 if (!ctx->tx_buf) {  // allocate failure  in do_apf_run()
400                 memset(ctx->tx_buf, 0, ctx->tx_buf_len);  in do_apf_run()
435                 ASSERT_RETURN(ctx->tx_buf);  in do_apf_run()
443                     int dscp = csum_and_return_dscp(ctx->tx_buf, (s32)pkt_len, ip_ofs,  in do_apf_run()
461                 ASSERT_RETURN(ctx->tx_buf);  in do_apf_run()
468                     memcpy(ctx->tx_buf + dst_offs, ctx->packet + pktcopy_src_offset, copy_len);  in do_apf_run()
471                     memcpy(ctx->tx_buf + dst_offs, ctx->program + pktcopy_src_offset, copy_len);  in do_apf_run()
532                 ASSERT_RETURN(ctx->tx_buf);  in do_apf_run()
535                     ctx->tx_buf[ctx->mem.named.tx_buf_offset++] =  in do_apf_run()
600             ASSERT_RETURN(ctx->tx_buf);  in do_apf_run()
607                     ctx->tx_buf[ctx->mem.named.tx_buf_offset++] =  in do_apf_run()
658         if (apf_ctx.tx_buf) do_discard_buffer(&apf_ctx);  in apf_runner()