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From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: dev@dpdk.org
Date: Tue, 20 Dec 2016 19:42:38 +0100
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Subject: [dpdk-dev] [PATCH v4 21/25] app/testpmd: add items ipv4/ipv6 to
flow command
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Add the ability to match basic fields from IPv4 and IPv6 headers (source
and destination addresses only).
Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Acked-by: Olga Shern <olgas@mellanox.com>
---
app/test-pmd/cmdline_flow.c | 177 +++++++++++++++++++++++++++++++++++++++
1 file changed, 177 insertions(+)
diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index ffa18d3..dfb6d6f 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -38,6 +38,7 @@
#include <errno.h>
#include <ctype.h>
#include <string.h>
+#include <arpa/inet.h>
#include <rte_common.h>
#include <rte_ethdev.h>
@@ -61,6 +62,8 @@ enum index {
BOOLEAN,
STRING,
MAC_ADDR,
+ IPV4_ADDR,
+ IPV6_ADDR,
RULE_ID,
PORT_ID,
GROUP_ID,
@@ -123,6 +126,12 @@ enum index {
ITEM_VLAN,
ITEM_VLAN_TPID,
ITEM_VLAN_TCI,
+ ITEM_IPV4,
+ ITEM_IPV4_SRC,
+ ITEM_IPV4_DST,
+ ITEM_IPV6,
+ ITEM_IPV6_SRC,
+ ITEM_IPV6_DST,
/* Validate/create actions. */
ACTIONS,
@@ -348,6 +357,8 @@ static const enum index next_item[] = {
ITEM_RAW,
ITEM_ETH,
ITEM_VLAN,
+ ITEM_IPV4,
+ ITEM_IPV6,
ZERO,
};
@@ -394,6 +405,20 @@ static const enum index item_vlan[] = {
ZERO,
};
+static const enum index item_ipv4[] = {
+ ITEM_IPV4_SRC,
+ ITEM_IPV4_DST,
+ ITEM_NEXT,
+ ZERO,
+};
+
+static const enum index item_ipv6[] = {
+ ITEM_IPV6_SRC,
+ ITEM_IPV6_DST,
+ ITEM_NEXT,
+ ZERO,
+};
+
static const enum index next_action[] = {
ACTION_END,
ACTION_VOID,
@@ -439,6 +464,12 @@ static int parse_string(struct context *, const struct token *,
static int parse_mac_addr(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
+static int parse_ipv4_addr(struct context *, const struct token *,
+ const char *, unsigned int,
+ void *, unsigned int);
+static int parse_ipv6_addr(struct context *, const struct token *,
+ const char *, unsigned int,
+ void *, unsigned int);
static int parse_port(struct context *, const struct token *,
const char *, unsigned int,
void *, unsigned int);
@@ -509,6 +540,20 @@ static const struct token token_list[] = {
.call = parse_mac_addr,
.comp = comp_none,
},
+ [IPV4_ADDR] = {
+ .name = "{IPv4 address}",
+ .type = "IPV4 ADDRESS",
+ .help = "standard IPv4 address notation",
+ .call = parse_ipv4_addr,
+ .comp = comp_none,
+ },
+ [IPV6_ADDR] = {
+ .name = "{IPv6 address}",
+ .type = "IPV6 ADDRESS",
+ .help = "standard IPv6 address notation",
+ .call = parse_ipv6_addr,
+ .comp = comp_none,
+ },
[RULE_ID] = {
.name = "{rule id}",
.type = "RULE ID",
@@ -843,6 +888,48 @@ static const struct token token_list[] = {
.next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param),
.args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vlan, tci)),
},
+ [ITEM_IPV4] = {
+ .name = "ipv4",
+ .help = "match IPv4 header",
+ .priv = PRIV_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)),
+ .next = NEXT(item_ipv4),
+ .call = parse_vc,
+ },
+ [ITEM_IPV4_SRC] = {
+ .name = "src",
+ .help = "source address",
+ .next = NEXT(item_ipv4, NEXT_ENTRY(IPV4_ADDR), item_param),
+ .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
+ hdr.src_addr)),
+ },
+ [ITEM_IPV4_DST] = {
+ .name = "dst",
+ .help = "destination address",
+ .next = NEXT(item_ipv4, NEXT_ENTRY(IPV4_ADDR), item_param),
+ .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
+ hdr.dst_addr)),
+ },
+ [ITEM_IPV6] = {
+ .name = "ipv6",
+ .help = "match IPv6 header",
+ .priv = PRIV_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)),
+ .next = NEXT(item_ipv6),
+ .call = parse_vc,
+ },
+ [ITEM_IPV6_SRC] = {
+ .name = "src",
+ .help = "source address",
+ .next = NEXT(item_ipv6, NEXT_ENTRY(IPV6_ADDR), item_param),
+ .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6,
+ hdr.src_addr)),
+ },
+ [ITEM_IPV6_DST] = {
+ .name = "dst",
+ .help = "destination address",
+ .next = NEXT(item_ipv6, NEXT_ENTRY(IPV6_ADDR), item_param),
+ .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6,
+ hdr.dst_addr)),
+ },
/* Validate/create actions. */
[ACTIONS] = {
.name = "actions",
@@ -1514,6 +1601,96 @@ parse_mac_addr(struct context *ctx, const struct token *token,
return -1;
}
+/**
+ * Parse an IPv4 address.
+ *
+ * Last argument (ctx->args) is retrieved to determine storage size and
+ * location.
+ */
+static int
+parse_ipv4_addr(struct context *ctx, const struct token *token,
+ const char *str, unsigned int len,
+ void *buf, unsigned int size)
+{
+ const struct arg *arg = pop_args(ctx);
+ char str2[len + 1];
+ struct in_addr tmp;
+ int ret;
+
+ /* Argument is expected. */
+ if (!arg)
+ return -1;
+ size = arg->size;
+ /* Bit-mask fill is not supported. */
+ if (arg->mask || size != sizeof(tmp))
+ goto error;
+ /* Only network endian is supported. */
+ if (!arg->hton)
+ goto error;
+ memcpy(str2, str, len);
+ str2[len] = '\0';
+ ret = inet_pton(AF_INET, str2, &tmp);
+ if (ret != 1) {
+ /* Attempt integer parsing. */
+ push_args(ctx, arg);
+ return parse_int(ctx, token, str, len, buf, size);
+ }
+ if (!ctx->object)
+ return len;
+ buf = (uint8_t *)ctx->object + arg->offset;
+ memcpy(buf, &tmp, size);
+ if (ctx->objmask)
+ memset((uint8_t *)ctx->objmask + arg->offset, 0xff, size);
+ return len;
+error:
+ push_args(ctx, arg);
+ return -1;
+}
+
+/**
+ * Parse an IPv6 address.
+ *
+ * Last argument (ctx->args) is retrieved to determine storage size and
+ * location.
+ */
+static int
+parse_ipv6_addr(struct context *ctx, const struct token *token,
+ const char *str, unsigned int len,
+ void *buf, unsigned int size)
+{
+ const struct arg *arg = pop_args(ctx);
+ char str2[len + 1];
+ struct in6_addr tmp;
+ int ret;
+
+ (void)token;
+ /* Argument is expected. */
+ if (!arg)
+ return -1;
+ size = arg->size;
+ /* Bit-mask fill is not supported. */
+ if (arg->mask || size != sizeof(tmp))
+ goto error;
+ /* Only network endian is supported. */
+ if (!arg->hton)
+ goto error;
+ memcpy(str2, str, len);
+ str2[len] = '\0';
+ ret = inet_pton(AF_INET6, str2, &tmp);
+ if (ret != 1)
+ goto error;
+ if (!ctx->object)
+ return len;
+ buf = (uint8_t *)ctx->object + arg->offset;
+ memcpy(buf, &tmp, size);
+ if (ctx->objmask)
+ memset((uint8_t *)ctx->objmask + arg->offset, 0xff, size);
+ return len;
+error:
+ push_args(ctx, arg);
+ return -1;
+}
+
/** Boolean values (even indices stand for false). */
static const char *const boolean_name[] = {
"0", "1",
--
2.1.4