@@ -41,6 +41,7 @@ enum index {
BOOLEAN,
STRING,
HEX,
+ FILE_PATH,
MAC_ADDR,
IPV4_ADDR,
IPV6_ADDR,
@@ -63,6 +64,7 @@ enum index {
CREATE,
DESTROY,
FLUSH,
+ DUMP,
QUERY,
LIST,
ISOLATE,
@@ -631,6 +633,9 @@ struct buffer {
uint32_t *rule;
uint32_t rule_n;
} destroy; /**< Destroy arguments. */
+ struct {
+ char file[128];
+ } dump; /**< Dump arguments. */
struct {
uint32_t rule;
struct rte_flow_action action;
@@ -685,6 +690,12 @@ static const enum index next_destroy_attr[] = {
ZERO,
};
+static const enum index next_dump_attr[] = {
+ FILE_PATH,
+ END,
+ ZERO,
+};
+
static const enum index next_list_attr[] = {
LIST_GROUP,
END,
@@ -1374,6 +1385,9 @@ static int parse_destroy(struct context *, const struct token *,
static int parse_flush(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
+static int parse_dump(struct context *, const struct token *,
+ const char *, unsigned int,
+ void *, unsigned int);
static int parse_query(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
@@ -1401,6 +1415,9 @@ static int parse_string(struct context *, const struct token *,
static int parse_hex(struct context *ctx, const struct token *token,
const char *str, unsigned int len,
void *buf, unsigned int size);
+static int parse_string0(struct context *, const struct token *,
+ const char *, unsigned int,
+ void *, unsigned int);
static int parse_mac_addr(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
@@ -1494,6 +1511,12 @@ static const struct token token_list[] = {
.type = "HEX",
.help = "fixed string",
.call = parse_hex,
+ },
+ [FILE_PATH] = {
+ .name = "{file path}",
+ .type = "STRING",
+ .help = "file path",
+ .call = parse_string0,
.comp = comp_none,
},
[MAC_ADDR] = {
@@ -1555,6 +1578,7 @@ static const struct token token_list[] = {
CREATE,
DESTROY,
FLUSH,
+ DUMP,
LIST,
QUERY,
ISOLATE)),
@@ -1589,6 +1613,14 @@ static const struct token token_list[] = {
.args = ARGS(ARGS_ENTRY(struct buffer, port)),
.call = parse_flush,
},
+ [DUMP] = {
+ .name = "dump",
+ .help = "dump all flow rules to file",
+ .next = NEXT(next_dump_attr, NEXT_ENTRY(PORT_ID)),
+ .args = ARGS(ARGS_ENTRY(struct buffer, args.dump.file),
+ ARGS_ENTRY(struct buffer, port)),
+ .call = parse_dump,
+ },
[QUERY] = {
.name = "query",
.help = "query an existing flow rule",
@@ -5012,6 +5044,33 @@ parse_flush(struct context *ctx, const struct token *token,
return len;
}
+/** Parse tokens for dump command. */
+static int
+parse_dump(struct context *ctx, const struct token *token,
+ const char *str, unsigned int len,
+ void *buf, unsigned int size)
+{
+ struct buffer *out = buf;
+
+ /* Token name must match. */
+ if (parse_default(ctx, token, str, len, NULL, 0) < 0)
+ return -1;
+ /* Nothing else to do if there is no buffer. */
+ if (!out)
+ return len;
+ if (!out->command) {
+ if (ctx->curr != DUMP)
+ return -1;
+ if (sizeof(*out) > size)
+ return -1;
+ out->command = ctx->curr;
+ ctx->objdata = 0;
+ ctx->object = out;
+ ctx->objmask = NULL;
+ }
+ return len;
+}
+
/** Parse tokens for query command. */
static int
parse_query(struct context *ctx, const struct token *token,
@@ -5409,6 +5468,35 @@ parse_hex(struct context *ctx, const struct token *token,
}
+/**
+ * Parse a zero-ended string.
+ */
+static int
+parse_string0(struct context *ctx, const struct token *token __rte_unused,
+ const char *str, unsigned int len,
+ void *buf, unsigned int size)
+{
+ const struct arg *arg_data = pop_args(ctx);
+
+ /* Arguments are expected. */
+ if (!arg_data)
+ return -1;
+ size = arg_data->size;
+ /* Bit-mask fill is not supported. */
+ if (arg_data->mask || size < len + 1)
+ goto error;
+ if (!ctx->object)
+ return len;
+ buf = (uint8_t *)ctx->object + arg_data->offset;
+ strncpy(buf, str, len);
+ if (ctx->objmask)
+ memset((uint8_t *)ctx->objmask + arg_data->offset, 0xff, len);
+ return len;
+error:
+ push_args(ctx, arg_data);
+ return -1;
+}
+
/**
* Parse a MAC address.
*
@@ -6068,6 +6156,9 @@ cmd_flow_parsed(const struct buffer *in)
case FLUSH:
port_flow_flush(in->port);
break;
+ case DUMP:
+ port_flow_dump(in->port, in->args.dump.file);
+ break;
case QUERY:
port_flow_query(in->port, in->args.query.rule,
&in->args.query.action);
@@ -1441,6 +1441,33 @@ port_flow_flush(portid_t port_id)
return ret;
}
+/** Dump all flow rules. */
+int
+port_flow_dump(portid_t port_id, const char *file_name)
+{
+ int ret = 0;
+ FILE *file = stdout;
+ struct rte_flow_error error;
+
+ if (file_name && strlen(file_name)) {
+ file = fopen(file_name, "w");
+ if (!file) {
+ printf("Failed to create file %s: %s\n", file_name,
+ strerror(errno));
+ return -errno;
+ }
+ }
+ ret = rte_flow_dev_dump(port_id, file, &error);
+ if (ret) {
+ port_flow_complain(&error);
+ printf("Failed to dump flow: %s\n", strerror(-ret));
+ } else
+ printf("Flow dump finished\n");
+ if (file_name && strlen(file_name))
+ fclose(file);
+ return ret;
+}
+
/** Query a flow rule. */
int
port_flow_query(portid_t port_id, uint32_t rule,
@@ -734,6 +734,7 @@ int port_flow_create(portid_t port_id,
const struct rte_flow_action *actions);
int port_flow_destroy(portid_t port_id, uint32_t n, const uint32_t *rule);
int port_flow_flush(portid_t port_id);
+int port_flow_dump(portid_t port_id, const char *file_name);
int port_flow_query(portid_t port_id, uint32_t rule,
const struct rte_flow_action *action);
void port_flow_list(portid_t port_id, uint32_t n, const uint32_t *group);