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From: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
To: dev@dpdk.org
Cc: Yogesh Jangra <yogesh.jangra@intel.com>
Subject: [PATCH V3 17/21] net/softnic: add the pipeline register read/write
CLI commands
Date: Thu, 1 Sep 2022 14:20:37 +0000
Message-Id: <20220901142041.2628537-18-cristian.dumitrescu@intel.com>
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Add CLI commands for pipeline registers read and write operations.
Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Signed-off-by: Yogesh Jangra <yogesh.jangra@intel.com>
---
drivers/net/softnic/rte_eth_softnic_cli.c | 127 ++++++++++++++++++++++
1 file changed, 127 insertions(+)
diff --git a/drivers/net/softnic/rte_eth_softnic_cli.c b/drivers/net/softnic/rte_eth_softnic_cli.c
index 7c25a502ec..b1f7460f47 100644
--- a/drivers/net/softnic/rte_eth_softnic_cli.c
+++ b/drivers/net/softnic/rte_eth_softnic_cli.c
@@ -34,6 +34,22 @@
#define MSG_FILE_NOT_ENOUGH "Not enough rules in file \"%s\".\n"
#define MSG_CMD_FAIL "Command \"%s\" failed.\n"
+static int
+parser_read_uint64(uint64_t *value, char *p)
+{
+ uint64_t val = 0;
+
+ if (!value || !p || !p[0])
+ return -EINVAL;
+
+ val = strtoull(p, &p, 0);
+ if (p[0])
+ return -EINVAL;
+
+ *value = val;
+ return 0;
+}
+
static int
parser_read_uint32(uint32_t *value, char *p)
{
@@ -1403,6 +1419,107 @@ cmd_softnic_pipeline_abort(struct pmd_internals *softnic,
rte_swx_ctl_pipeline_abort(p->ctl);
}
+/**
+ * pipeline <pipeline_name> regrd <register_array_name> <index>
+ */
+static void
+cmd_softnic_pipeline_regrd(struct pmd_internals *softnic,
+ char **tokens,
+ uint32_t n_tokens,
+ char *out,
+ size_t out_size)
+{
+ struct pipeline *p;
+ const char *pipeline_name, *name;
+ uint64_t value;
+ uint32_t idx;
+ int status;
+
+ if (n_tokens != 5) {
+ snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
+ return;
+ }
+
+ pipeline_name = tokens[1];
+ p = softnic_pipeline_find(softnic, pipeline_name);
+ if (!p) {
+ snprintf(out, out_size, MSG_ARG_INVALID, "pipeline_name");
+ return;
+ }
+
+ if (strcmp(tokens[2], "regrd")) {
+ snprintf(out, out_size, MSG_ARG_NOT_FOUND, "regrd");
+ return;
+ }
+
+ name = tokens[3];
+
+ if (parser_read_uint32(&idx, tokens[4])) {
+ snprintf(out, out_size, MSG_ARG_INVALID, "index");
+ return;
+ }
+
+ status = rte_swx_ctl_pipeline_regarray_read(p->p, name, idx, &value);
+ if (status) {
+ snprintf(out, out_size, "Command failed.\n");
+ return;
+ }
+
+ snprintf(out, out_size, "0x%" PRIx64 "\n", value);
+}
+
+/**
+ * pipeline <pipeline_name> regwr <register_array_name> <index> <value>
+ */
+static void
+cmd_softnic_pipeline_regwr(struct pmd_internals *softnic,
+ char **tokens,
+ uint32_t n_tokens,
+ char *out,
+ size_t out_size)
+{
+ struct pipeline *p;
+ const char *pipeline_name, *name;
+ uint64_t value;
+ uint32_t idx;
+ int status;
+
+ if (n_tokens != 6) {
+ snprintf(out, out_size, MSG_ARG_MISMATCH, tokens[0]);
+ return;
+ }
+
+ pipeline_name = tokens[1];
+ p = softnic_pipeline_find(softnic, pipeline_name);
+ if (!p) {
+ snprintf(out, out_size, MSG_ARG_INVALID, "pipeline_name");
+ return;
+ }
+
+ if (strcmp(tokens[2], "regwr")) {
+ snprintf(out, out_size, MSG_ARG_NOT_FOUND, "regwr");
+ return;
+ }
+
+ name = tokens[3];
+
+ if (parser_read_uint32(&idx, tokens[4])) {
+ snprintf(out, out_size, MSG_ARG_INVALID, "index");
+ return;
+ }
+
+ if (parser_read_uint64(&value, tokens[5])) {
+ snprintf(out, out_size, MSG_ARG_INVALID, "value");
+ return;
+ }
+
+ status = rte_swx_ctl_pipeline_regarray_write(p->p, name, idx, value);
+ if (status) {
+ snprintf(out, out_size, "Command failed.\n");
+ return;
+ }
+}
+
/**
* thread <thread_id> pipeline <pipeline_name> enable [ period <timer_period_ms> ]
*/
@@ -1633,6 +1750,16 @@ softnic_cli_process(char *in, char *out, size_t out_size, void *arg)
cmd_softnic_pipeline_abort(softnic, tokens, n_tokens, out, out_size);
return;
}
+
+ if (n_tokens >= 3 && !strcmp(tokens[2], "regrd")) {
+ cmd_softnic_pipeline_regrd(softnic, tokens, n_tokens, out, out_size);
+ return;
+ }
+
+ if (n_tokens >= 3 && !strcmp(tokens[2], "regwr")) {
+ cmd_softnic_pipeline_regwr(softnic, tokens, n_tokens, out, out_size);
+ return;
+ }
}
if (strcmp(tokens[0], "thread") == 0) {
--
2.34.1