diff mbox series

[V2,19/24] pipeline: introduce pipeline compilation

Message ID	20210910133713.93103-19-cristian.dumitrescu@intel.com (mailing list archive)
State	Superseded, archived
Delegated to:	Thomas Monjalon
Headers	From: Cristian Dumitrescu <cristian.dumitrescu@intel.com> To: dev@dpdk.org Date: Fri, 10 Sep 2021 14:37:08 +0100 Message-Id: <20210910133713.93103-19-cristian.dumitrescu@intel.com> In-Reply-To: <20210910133713.93103-1-cristian.dumitrescu@intel.com> References: <20210910123003.85448-1-cristian.dumitrescu@intel.com> <20210910133713.93103-1-cristian.dumitrescu@intel.com> Subject: [dpdk-dev] [PATCH V2 19/24] pipeline: introduce pipeline compilation Precedence: list Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org>
Series	[V2,01/24] pipeline: move data structures to internal header file \| [V2,01/24] pipeline: move data structures to internal header file [V2,02/24] pipeline: move thread inline functions to header file [V2,03/24] pipeline: create inline functions for RX instruction [V2,04/24] pipeline: create inline functions for TX instruction [V2,05/24] pipeline: create inline functions for extract instruction [V2,06/24] pipeline: create inline functions for emit instruction [V2,07/24] pipeline: create inline functions for validate instruction [V2,08/24] pipeline: create inline functions for learn instruction [V2,09/24] pipeline: create inline functions for extern instruction [V2,10/24] pipeline: create inline functions for move instruction [V2,11/24] pipeline: create inline functions for DMA instruction [V2,12/24] pipeline: create inline functions for ALU instructions [V2,13/24] pipeline: create inline functions for register instructions [V2,14/24] pipeline: create inline functions for meter instructions [V2,15/24] pipeline: create inline functions for instruction operands [V2,16/24] pipeline: enable persistent instruction meta-data [V2,17/24] pipeline: introduce action functions [V2,18/24] pipeline: introduce custom instructions [V2,19/24] pipeline: introduce pipeline compilation [V2,20/24] pipeline: export pipeline instructions to file [V2,21/24] pipeline: generate action functions [V2,22/24] pipeline: generate custom instruction functions [V2,23/24] pipeline: build shared object for pipeline [V2,24/24] pipeline: enable pipeline compilation

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK

Commit Message

Cristian Dumitrescu Sept. 10, 2021, 1:37 p.m. UTC

  Lay the foundation to generate C code for the pipeline: C functions
for actions and custom instructions are generated, built as shared
object library and loaded into the pipeline.

Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---
 lib/pipeline/rte_swx_pipeline.c | 44 +++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff mbox series

Patch

diff --git a/lib/pipeline/rte_swx_pipeline.c b/lib/pipeline/rte_swx_pipeline.c
index 598009c024..4c0e3043ec 100644
--- a/lib/pipeline/rte_swx_pipeline.c
+++ b/lib/pipeline/rte_swx_pipeline.c
@@ -8953,6 +8953,9 @@  rte_swx_pipeline_instructions_config(struct rte_swx_pipeline *p,
 	return 0;
 }
 
+static int
+pipeline_compile(struct rte_swx_pipeline *p);
+
 int
 rte_swx_pipeline_build(struct rte_swx_pipeline *p)
 {
@@ -9018,6 +9021,9 @@  rte_swx_pipeline_build(struct rte_swx_pipeline *p)
 		goto error;
 
 	p->build_done = 1;
+
+	pipeline_compile(p);
+
 	return 0;
 
 error:
@@ -9760,3 +9766,41 @@  rte_swx_ctl_meter_stats_read(struct rte_swx_pipeline *p,
 
 	return 0;
 }
+
+/*
+ * Pipeline compilation.
+ */
+static int
+pipeline_codegen(struct rte_swx_pipeline *p)
+{
+	FILE *f = NULL;
+
+	if (!p)
+		return -EINVAL;
+
+	/* Create the .c file. */
+	f = fopen("/tmp/pipeline.c", "w");
+	if (!f)
+		return -EIO;
+
+	/* Include the .h file. */
+	fprintf(f, "#include \"rte_swx_pipeline_internal.h\"\n");
+
+	/* Close the .c file. */
+	fclose(f);
+
+	return 0;
+}
+
+static int
+pipeline_compile(struct rte_swx_pipeline *p)
+{
+	int status = 0;
+
+	/* Code generation. */
+	status = pipeline_codegen(p);
+	if (status)
+		return status;
+
+	return status;
+}