/* Special tokens. */
ZERO = 0,
END,
+ START_SET,
+ END_SET,
/* Common tokens. */
INTEGER,
PRIORITY_LEVEL,
/* Top-level command. */
- FLOW,
+ SET,
+ /* Sub-leve commands. */
+ SET_RAW_ENCAP,
+ SET_RAW_DECAP,
+ /* Top-level command. */
+ FLOW,
/* Sub-level commands. */
VALIDATE,
CREATE,
ACTION_INC_TCP_ACK_VALUE,
ACTION_DEC_TCP_ACK,
ACTION_DEC_TCP_ACK_VALUE,
+ ACTION_RAW_ENCAP,
+ ACTION_RAW_DECAP,
};
/** Maximum size for pattern in struct rte_flow_item_raw. */
/** Maximum number of items in struct rte_flow_action_vxlan_encap. */
#define ACTION_VXLAN_ENCAP_ITEMS_NUM 6
+#define ACTION_RAW_ENCAP_MAX_DATA 128
+
+/** Storage for struct rte_flow_action_raw_encap. */
+struct raw_encap_conf {
+ uint8_t data[ACTION_RAW_ENCAP_MAX_DATA];
+ uint8_t preserve[ACTION_RAW_ENCAP_MAX_DATA];
+ size_t size;
+};
+
+struct raw_encap_conf raw_encap_conf = {.size = 0};
+
+/** Storage for struct rte_flow_action_raw_decap. */
+struct raw_decap_conf {
+ uint8_t data[ACTION_RAW_ENCAP_MAX_DATA];
+ size_t size;
+};
+
+struct raw_decap_conf raw_decap_conf = {.size = 0};
+
/** Storage for struct rte_flow_action_vxlan_encap including external data. */
struct action_vxlan_encap_data {
struct rte_flow_action_vxlan_encap conf;
ITEM_ICMP6_ND_OPT_TLA_ETH,
ITEM_META,
ITEM_GRE_KEY,
+ END_SET,
ZERO,
};
ACTION_DEC_TCP_SEQ,
ACTION_INC_TCP_ACK,
ACTION_DEC_TCP_ACK,
+ ACTION_RAW_ENCAP,
+ ACTION_RAW_DECAP,
ZERO,
};
ZERO,
};
+static int parse_set_raw_encap_decap(struct context *, const struct token *,
+ const char *, unsigned int,
+ void *, unsigned int);
+static int parse_set_init(struct context *, const struct token *,
+ const char *, unsigned int,
+ void *, unsigned int);
static int parse_init(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
static int parse_vc_action_mplsoudp_decap(struct context *,
const struct token *, const char *,
unsigned int, void *, unsigned int);
+static int parse_vc_action_raw_encap(struct context *,
+ const struct token *, const char *,
+ unsigned int, void *, unsigned int);
+static int parse_vc_action_raw_decap(struct context *,
+ const struct token *, const char *,
+ unsigned int, void *, unsigned int);
static int parse_destroy(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
.type = "RETURN",
.help = "command may end here",
},
+ [START_SET] = {
+ .name = "START_SET",
+ .help = "null entry, abused as the entry point for set",
+ .next = NEXT(NEXT_ENTRY(SET)),
+ },
+ [END_SET] = {
+ .name = "end_set",
+ .type = "RETURN",
+ .help = "set command may end here",
+ },
/* Common tokens. */
[INTEGER] = {
.name = "{int}",
.args = ARGS(ARG_ENTRY_HTON(rte_be32_t)),
.call = parse_vc_conf,
},
+ [ACTION_RAW_ENCAP] = {
+ .name = "raw_encap",
+ .help = "encapsulation data, defined by set raw_encap",
+ .priv = PRIV_ACTION(RAW_ENCAP,
+ sizeof(struct rte_flow_action_raw_encap)),
+ .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
+ .call = parse_vc_action_raw_encap,
+ },
+ [ACTION_RAW_DECAP] = {
+ .name = "raw_decap",
+ .help = "decapsulation data, defined by set raw_encap",
+ .priv = PRIV_ACTION(RAW_DECAP,
+ sizeof(struct rte_flow_action_raw_decap)),
+ .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
+ .call = parse_vc_action_raw_decap,
+ },
+ /* Top level command. */
+ [SET] = {
+ .name = "set",
+ .help = "set raw encap/decap data",
+ .type = "set raw_encap|raw_decap <pattern>",
+ .next = NEXT(NEXT_ENTRY
+ (SET_RAW_ENCAP,
+ SET_RAW_DECAP)),
+ .call = parse_set_init,
+ },
+ /* Sub-level commands. */
+ [SET_RAW_ENCAP] = {
+ .name = "raw_encap",
+ .help = "set raw encap data",
+ .next = NEXT(next_item),
+ .call = parse_set_raw_encap_decap,
+ },
+ [SET_RAW_DECAP] = {
+ .name = "raw_decap",
+ .help = "set raw decap data",
+ .next = NEXT(next_item),
+ .call = parse_set_raw_encap_decap,
+ }
};
/** Remove and return last entry from argument stack. */
return ret;
}
+static int
+parse_vc_action_raw_encap(struct context *ctx, const struct token *token,
+ const char *str, unsigned int len, void *buf,
+ unsigned int size)
+{
+ struct buffer *out = buf;
+ struct rte_flow_action *action;
+ struct rte_flow_action_raw_encap *action_raw_encap_conf = NULL;
+ uint8_t *data = NULL;
+ int ret;
+
+ ret = parse_vc(ctx, token, str, len, buf, size);
+ if (ret < 0)
+ return ret;
+ /* Nothing else to do if there is no buffer. */
+ if (!out)
+ return ret;
+ if (!out->args.vc.actions_n)
+ return -1;
+ action = &out->args.vc.actions[out->args.vc.actions_n - 1];
+ /* Point to selected object. */
+ ctx->object = out->args.vc.data;
+ ctx->objmask = NULL;
+ /* Copy the headers to the buffer. */
+ action_raw_encap_conf = ctx->object;
+ /* data stored from tail of data buffer */
+ data = (uint8_t *)&(raw_encap_conf.data) +
+ ACTION_RAW_ENCAP_MAX_DATA - raw_encap_conf.size;
+ action_raw_encap_conf->data = data;
+ action_raw_encap_conf->preserve = NULL;
+ action_raw_encap_conf->size = raw_encap_conf.size;
+ action->conf = action_raw_encap_conf;
+ return ret;
+}
+
+static int
+parse_vc_action_raw_decap(struct context *ctx, const struct token *token,
+ const char *str, unsigned int len, void *buf,
+ unsigned int size)
+{
+ struct buffer *out = buf;
+ struct rte_flow_action *action;
+ struct rte_flow_action_raw_decap *action_raw_decap_conf = NULL;
+ uint8_t *data = NULL;
+ int ret;
+
+ ret = parse_vc(ctx, token, str, len, buf, size);
+ if (ret < 0)
+ return ret;
+ /* Nothing else to do if there is no buffer. */
+ if (!out)
+ return ret;
+ if (!out->args.vc.actions_n)
+ return -1;
+ action = &out->args.vc.actions[out->args.vc.actions_n - 1];
+ /* Point to selected object. */
+ ctx->object = out->args.vc.data;
+ ctx->objmask = NULL;
+ /* Copy the headers to the buffer. */
+ action_raw_decap_conf = ctx->object;
+ /* data stored from tail of data buffer */
+ data = (uint8_t *)&(raw_decap_conf.data) +
+ ACTION_RAW_ENCAP_MAX_DATA - raw_decap_conf.size;
+ action_raw_decap_conf->data = data;
+ action_raw_decap_conf->size = raw_decap_conf.size;
+ action->conf = action_raw_decap_conf;
+ return ret;
+}
+
/** Parse tokens for destroy command. */
static int
parse_destroy(struct context *ctx, const struct token *token,
return ret;
}
+/** Parse set command, initialize output buffer for subsequent tokens. */
+static int
+parse_set_raw_encap_decap(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;
+ /* Make sure buffer is large enough. */
+ if (size < sizeof(*out))
+ return -1;
+ ctx->objdata = 0;
+ ctx->objmask = NULL;
+ if (!out->command)
+ return -1;
+ out->command = ctx->curr;
+ return len;
+}
+
+/**
+ * Parse set raw_encap/raw_decap command,
+ * initialize output buffer for subsequent tokens.
+ */
+static int
+parse_set_init(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;
+ /* Make sure buffer is large enough. */
+ if (size < sizeof(*out))
+ return -1;
+ /* Initialize buffer. */
+ memset(out, 0x00, sizeof(*out));
+ memset((uint8_t *)out + sizeof(*out), 0x22, size - sizeof(*out));
+ ctx->objdata = 0;
+ ctx->object = out;
+ ctx->objmask = NULL;
+ if (!out->command) {
+ if (ctx->curr != SET)
+ return -1;
+ if (sizeof(*out) > size)
+ return -1;
+ out->command = ctx->curr;
+ out->args.vc.data = (uint8_t *)out + size;
+ /* All we need is pattern */
+ out->args.vc.pattern =
+ (void *)RTE_ALIGN_CEIL((uintptr_t)(out + 1),
+ sizeof(double));
+ ctx->object = out->args.vc.pattern;
+ }
+ return len;
+}
+
/** No completion. */
static int
comp_none(struct context *ctx, const struct token *token,
/** Global parser instance (cmdline API). */
cmdline_parse_inst_t cmd_flow;
+cmdline_parse_inst_t cmd_set_raw;
/** Initialize context. */
static void
NULL,
}, /**< Tokens are returned by cmd_flow_tok(). */
};
+
+/** set cmd facility. Reuse cmd flow's infrastructure as much as possible. */
+
+static void
+update_fields(uint8_t *buf, struct rte_flow_item *item, uint16_t next_proto)
+{
+ struct rte_flow_item_ipv4 *ipv4;
+ struct rte_flow_item_eth *eth;
+ struct rte_flow_item_ipv6 *ipv6;
+ struct rte_flow_item_vxlan *vxlan;
+ struct rte_flow_item_vxlan_gpe *gpe;
+ struct rte_flow_item_nvgre *nvgre;
+ uint32_t ipv6_vtc_flow;
+
+ switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ eth = (struct rte_flow_item_eth *)buf;
+ if (next_proto)
+ eth->type = rte_cpu_to_be_16(next_proto);
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ ipv4 = (struct rte_flow_item_ipv4 *)buf;
+ ipv4->hdr.version_ihl = 0x45;
+ ipv4->hdr.next_proto_id = (uint8_t)next_proto;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ ipv6 = (struct rte_flow_item_ipv6 *)buf;
+ ipv6->hdr.proto = (uint8_t)next_proto;
+ ipv6_vtc_flow = rte_be_to_cpu_32(ipv6->hdr.vtc_flow);
+ ipv6_vtc_flow &= 0x0FFFFFFF; /*< reset version bits. */
+ ipv6_vtc_flow |= 0x60000000; /*< set ipv6 version. */
+ ipv6->hdr.vtc_flow = rte_cpu_to_be_32(ipv6_vtc_flow);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ vxlan = (struct rte_flow_item_vxlan *)buf;
+ vxlan->flags = 0x08;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ gpe = (struct rte_flow_item_vxlan_gpe *)buf;
+ gpe->flags = 0x0C;
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ nvgre = (struct rte_flow_item_nvgre *)buf;
+ nvgre->protocol = rte_cpu_to_be_16(0x6558);
+ nvgre->c_k_s_rsvd0_ver = rte_cpu_to_be_16(0x2000);
+ break;
+ default:
+ break;
+ }
+}
+
+/** Helper of get item's default mask. */
+static const void *
+flow_item_default_mask(const struct rte_flow_item *item)
+{
+ const void *mask = NULL;
+
+ switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_ANY:
+ mask = &rte_flow_item_any_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VF:
+ mask = &rte_flow_item_vf_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_PORT_ID:
+ mask = &rte_flow_item_port_id_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_RAW:
+ mask = &rte_flow_item_raw_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ mask = &rte_flow_item_eth_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ mask = &rte_flow_item_vlan_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ mask = &rte_flow_item_ipv4_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ mask = &rte_flow_item_ipv6_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_ICMP:
+ mask = &rte_flow_item_icmp_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ mask = &rte_flow_item_udp_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ mask = &rte_flow_item_tcp_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_SCTP:
+ mask = &rte_flow_item_sctp_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ mask = &rte_flow_item_vxlan_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ mask = &rte_flow_item_vxlan_gpe_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_E_TAG:
+ mask = &rte_flow_item_e_tag_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ mask = &rte_flow_item_nvgre_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_MPLS:
+ mask = &rte_flow_item_mpls_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ mask = &rte_flow_item_gre_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_META:
+ mask = &rte_flow_item_meta_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_FUZZY:
+ mask = &rte_flow_item_fuzzy_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_GTP:
+ mask = &rte_flow_item_gtp_mask;
+ break;
+ case RTE_FLOW_ITEM_TYPE_ESP:
+ mask = &rte_flow_item_esp_mask;
+ break;
+ default:
+ break;
+ }
+ return mask;
+}
+
+
+
+/** Dispatch parsed buffer to function calls. */
+static void
+cmd_set_raw_parsed(const struct buffer *in)
+{
+ uint32_t n = in->args.vc.pattern_n;
+ int i = 0;
+ struct rte_flow_item *item = NULL;
+ size_t size = 0;
+ uint8_t *data = NULL;
+ uint8_t *data_tail = NULL;
+ size_t *total_size = NULL;
+ uint16_t upper_layer = 0;
+ uint16_t proto = 0;
+
+ RTE_ASSERT(in->command == SET_RAW_ENCAP ||
+ in->command == SET_RAW_DECAP);
+ if (in->command == SET_RAW_ENCAP) {
+ total_size = &raw_encap_conf.size;
+ data = (uint8_t *)&raw_encap_conf.data;
+ } else {
+ total_size = &raw_decap_conf.size;
+ data = (uint8_t *)&raw_decap_conf.data;
+ }
+ *total_size = 0;
+ memset(data, 0x00, ACTION_RAW_ENCAP_MAX_DATA);
+ /* process hdr from upper layer to low layer (L3/L4 -> L2). */
+ data_tail = data + ACTION_RAW_ENCAP_MAX_DATA;
+ for (i = n - 1 ; i >= 0; --i) {
+ item = in->args.vc.pattern + i;
+ if (item->spec == NULL)
+ item->spec = flow_item_default_mask(item);
+ switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_ETH:
+ size = sizeof(struct rte_flow_item_eth);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VLAN:
+ size = sizeof(struct rte_flow_item_vlan);
+ proto = RTE_ETHER_TYPE_VLAN;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV4:
+ size = sizeof(struct rte_flow_item_ipv4);
+ proto = RTE_ETHER_TYPE_IPV4;
+ break;
+ case RTE_FLOW_ITEM_TYPE_IPV6:
+ size = sizeof(struct rte_flow_item_ipv6);
+ proto = RTE_ETHER_TYPE_IPV6;
+ break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ size = sizeof(struct rte_flow_item_udp);
+ proto = 0x11;
+ break;
+ case RTE_FLOW_ITEM_TYPE_TCP:
+ size = sizeof(struct rte_flow_item_tcp);
+ proto = 0x06;
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN:
+ size = sizeof(struct rte_flow_item_vxlan);
+ break;
+ case RTE_FLOW_ITEM_TYPE_VXLAN_GPE:
+ size = sizeof(struct rte_flow_item_vxlan_gpe);
+ break;
+ case RTE_FLOW_ITEM_TYPE_GRE:
+ size = sizeof(struct rte_flow_item_gre);
+ proto = 0x2F;
+ break;
+ case RTE_FLOW_ITEM_TYPE_MPLS:
+ size = sizeof(struct rte_flow_item_mpls);
+ break;
+ case RTE_FLOW_ITEM_TYPE_NVGRE:
+ size = sizeof(struct rte_flow_item_nvgre);
+ proto = 0x2F;
+ break;
+ default:
+ printf("Error - Not supported item\n");
+ *total_size = 0;
+ memset(data, 0x00, ACTION_RAW_ENCAP_MAX_DATA);
+ return;
+ }
+ *total_size += size;
+ rte_memcpy(data_tail - (*total_size), item->spec, size);
+ /* update some fields which cannot be set by cmdline */
+ update_fields((data_tail - (*total_size)), item,
+ upper_layer);
+ upper_layer = proto;
+ }
+ if (verbose_level & 0x1)
+ printf("total data size is %zu\n", (*total_size));
+ RTE_ASSERT((*total_size) <= ACTION_RAW_ENCAP_MAX_DATA);
+}
+
+/** Populate help strings for current token (cmdline API). */
+static int
+cmd_set_raw_get_help(cmdline_parse_token_hdr_t *hdr, char *dst,
+ unsigned int size)
+{
+ struct context *ctx = &cmd_flow_context;
+ const struct token *token = &token_list[ctx->prev];
+
+ (void)hdr;
+ if (!size)
+ return -1;
+ /* Set token type and update global help with details. */
+ snprintf(dst, size, "%s", (token->type ? token->type : "TOKEN"));
+ if (token->help)
+ cmd_set_raw.help_str = token->help;
+ else
+ cmd_set_raw.help_str = token->name;
+ return 0;
+}
+
+/** Token definition template (cmdline API). */
+static struct cmdline_token_hdr cmd_set_raw_token_hdr = {
+ .ops = &(struct cmdline_token_ops){
+ .parse = cmd_flow_parse,
+ .complete_get_nb = cmd_flow_complete_get_nb,
+ .complete_get_elt = cmd_flow_complete_get_elt,
+ .get_help = cmd_set_raw_get_help,
+ },
+ .offset = 0,
+};
+
+/** Populate the next dynamic token. */
+static void
+cmd_set_raw_tok(cmdline_parse_token_hdr_t **hdr,
+ cmdline_parse_token_hdr_t **hdr_inst)
+{
+ struct context *ctx = &cmd_flow_context;
+
+ /* Always reinitialize context before requesting the first token. */
+ if (!(hdr_inst - cmd_set_raw.tokens)) {
+ cmd_flow_context_init(ctx);
+ ctx->curr = START_SET;
+ }
+ /* Return NULL when no more tokens are expected. */
+ if (!ctx->next_num && (ctx->curr != START_SET)) {
+ *hdr = NULL;
+ return;
+ }
+ /* Determine if command should end here. */
+ if (ctx->eol && ctx->last && ctx->next_num) {
+ const enum index *list = ctx->next[ctx->next_num - 1];
+ int i;
+
+ for (i = 0; list[i]; ++i) {
+ if (list[i] != END)
+ continue;
+ *hdr = NULL;
+ return;
+ }
+ }
+ *hdr = &cmd_set_raw_token_hdr;
+}
+
+/** Token generator and output processing callback (cmdline API). */
+static void
+cmd_set_raw_cb(void *arg0, struct cmdline *cl, void *arg2)
+{
+ if (cl == NULL)
+ cmd_set_raw_tok(arg0, arg2);
+ else
+ cmd_set_raw_parsed(arg0);
+}
+
+/** Global parser instance (cmdline API). */
+cmdline_parse_inst_t cmd_set_raw = {
+ .f = cmd_set_raw_cb,
+ .data = NULL, /**< Unused. */
+ .help_str = NULL, /**< Updated by cmd_flow_get_help(). */
+ .tokens = {
+ NULL,
+ }, /**< Tokens are returned by cmd_flow_tok(). */
+};
git.droids-corp.org / dpdk.git / blobdiff