Build the generated C file into a shared object library.
Signed-off-by: Cristian Dumitrescu <cristian.dumitre...@intel.com>
Signed-off-by: Cunming Liang <cunming.li...@intel.com>
---
lib/pipeline/rte_swx_pipeline.c | 131 +++++++++++++++++++++++
lib/pipeline/rte_swx_pipeline_internal.h | 1 +
2 files changed, 132 insertions(+)
diff --git a/lib/pipeline/rte_swx_pipeline.c b/lib/pipeline/rte_swx_pipeline.c
index 27005872b4..a0e09110d6 100644
--- a/lib/pipeline/rte_swx_pipeline.c
+++ b/lib/pipeline/rte_swx_pipeline.c
@@ -5,6 +5,7 @@
#include <stdio.h>
#include <errno.h>
#include <arpa/inet.h>
+#include <dlfcn.h>
#include "rte_swx_pipeline_internal.h"
@@ -8945,9 +8946,13 @@ rte_swx_pipeline_config(struct rte_swx_pipeline **p, int
numa_node)
void
rte_swx_pipeline_free(struct rte_swx_pipeline *p)
{
+ void *lib;
+
if (!p)
return;
+ lib = p->lib;
+
free(p->instruction_data);
free(p->instructions);
@@ -8967,6 +8972,9 @@ rte_swx_pipeline_free(struct rte_swx_pipeline *p)
struct_free(p);
free(p);
+
+ if (lib)
+ dlclose(lib);
}
int
@@ -12176,6 +12184,124 @@ pipeline_codegen(struct rte_swx_pipeline *p, struct
instruction_group_list *igl)
return 0;
}
+#ifndef RTE_SWX_PIPELINE_CMD_MAX_SIZE
+#define RTE_SWX_PIPELINE_CMD_MAX_SIZE 4096
+#endif
+
+static int
+pipeline_libload(struct rte_swx_pipeline *p, struct instruction_group_list
*igl)
+{
+ struct action *a;
+ struct instruction_group *g;
+ char *dir_in, *buffer = NULL;
+ const char *dir_out;
+ int status = 0;
+
+ /* Get the environment variables. */
+ dir_in = getenv("RTE_INSTALL_DIR");
+ if (!dir_in) {
+ status = -EINVAL;
+ goto free;
+ }
+
+ dir_out = "/tmp";
+
+ /* Memory allocation for the command buffer. */
+ buffer = malloc(RTE_SWX_PIPELINE_CMD_MAX_SIZE);
+ if (!buffer) {
+ status = -ENOMEM;
+ goto free;
+ }
+
+ snprintf(buffer,
+ RTE_SWX_PIPELINE_CMD_MAX_SIZE,
+ "gcc -c -O3 -fpic -Wno-deprecated-declarations -o
%s/pipeline.o %s/pipeline.c "
+ "-I %s/lib/pipeline "
+ "-I %s/lib/eal/include "
+ "-I %s/lib/eal/x86/include "
+ "-I %s/lib/eal/include/generic "
+ "-I %s/lib/meter "
+ "-I %s/lib/port "
+ "-I %s/lib/table "
+ "-I %s/lib/pipeline "
+ "-I %s/config "
+ "-I %s/build "
+ "-I %s/lib/eal/linux/include "
+ ">%s/pipeline.log 2>&1 "
+ "&& "
+ "gcc -shared %s/pipeline.o -o %s/libpipeline.so "
+ ">>%s/pipeline.log 2>&1",
+ dir_out,
+ dir_out,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_in,
+ dir_out,
+ dir_out,
+ dir_out,
+ dir_out);
+
+ /* Build the shared object library. */
+ status = system(buffer);
+ if (status)
+ goto free;
+
+ /* Open library. */
+ snprintf(buffer,
+ RTE_SWX_PIPELINE_CMD_MAX_SIZE,
+ "%s/libpipeline.so",
+ dir_out);
+
+ p->lib = dlopen(buffer, RTLD_LAZY);
+ if (!p->lib) {
+ status = -EIO;
+ goto free;
+ }
+
+ /* Get the action function symbols. */
+ TAILQ_FOREACH(a, &p->actions, node) {
+ snprintf(buffer, RTE_SWX_PIPELINE_CMD_MAX_SIZE,
"action_%s_run", a->name);
+
+ p->action_funcs[a->id] = dlsym(p->lib, buffer);
+ if (!p->action_funcs[a->id]) {
+ status = -EINVAL;
+ goto free;
+ }
+ }
+
+ /* Get the pipeline function symbols. */
+ TAILQ_FOREACH(g, igl, node) {
+ if (g->first_instr_id == g->last_instr_id)
+ continue;
+
+ snprintf(buffer, RTE_SWX_PIPELINE_CMD_MAX_SIZE,
"pipeline_func_%u", g->group_id);
+
+ g->func = dlsym(p->lib, buffer);
+ if (!g->func) {
+ status = -EINVAL;
+ goto free;
+ }
+ }
+
+free:
+ if (status && p->lib) {
+ dlclose(p->lib);
+ p->lib = NULL;
+ }
+
+ free(buffer);
+
+ return status;
+}
+
static int
pipeline_compile(struct rte_swx_pipeline *p)
{
@@ -12193,6 +12319,11 @@ pipeline_compile(struct rte_swx_pipeline *p)
if (status)
goto free;
+ /* Build and load the shared object library. */
+ status = pipeline_libload(p, igl);
+ if (status)
+ goto free;
+
free:
instruction_group_list_free(igl);
diff --git a/lib/pipeline/rte_swx_pipeline_internal.h
b/lib/pipeline/rte_swx_pipeline_internal.h
index 4ad6dd42dd..a210df4856 100644
--- a/lib/pipeline/rte_swx_pipeline_internal.h
+++ b/lib/pipeline/rte_swx_pipeline_internal.h
@@ -1400,6 +1400,7 @@ struct rte_swx_pipeline {
struct instruction *instructions;
struct instruction_data *instruction_data;
struct thread threads[RTE_SWX_PIPELINE_THREADS_MAX];
+ void *lib;
uint32_t n_structs;
uint32_t n_ports_in;
--
2.17.1
