app/testpmd: add items ipv4/ipv6 to flow command

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>
This commit is contained in:
Adrien Mazarguil 2016-12-21 15:51:37 +01:00 committed by Thomas Monjalon
parent 6df81b325f
commit ef6e38550f

View File

@ -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",
@ -1525,6 +1612,96 @@ 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",